v0.55.2

Added German translation

README.md

@@ -60,12 +60,12 @@ Or get the latest APK from the [Releases Section](https://github.com/vitorpamplo
 - [x] Audio Tracks (zapstr.live) (NIP-TBD)
 - [x] Push Notifications (Zaps and Messages)
 - [x] Generic Tags (NIP-12)
+- [x] Sensitive Content (NIP-36)
 - [ ] Marketplace (NIP-15)
 - [ ] Image/Video Capture in the app
 - [ ] Local Database 
 - [ ] View Individual Reactions (Like, Boost, Zaps, Reports) per Post
 - [ ] Bookmarks, Pinned Posts, Muted Events (NIP-51)
-- [ ] Sensitive Content (NIP-36) 
 - [ ] Relay Pages (NIP-11)
 - [ ] Proof of Work in the Phone (NIP-13, NIP-20)
 - [ ] Events with a Subject (NIP-14)

app/build.gradle

@@ -13,13 +13,14 @@ android {
         applicationId "com.vitorpamplona.amethyst"
         minSdk 26
         targetSdk 33
-        versionCode 180
-        versionName "0.52.0"
+        versionCode 197
+        versionName "0.55.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
             useSupportLibrary true
         }
+        resConfigs("ar", "cs", "eo", "es", "fa", "fr", "hu", "night", "nl", "pt-rBR", "ru", "sv-rSE", "ta", "tr", "uk", "zh", "sh-rHK", "zh-rTW" )
     }
 
     buildTypes {
@@ -128,7 +129,7 @@ dependencies {
     implementation 'com.squareup.okhttp3:okhttp:5.0.0-alpha.11'
 
     // Json Serialization TODO: We might need to converge between gson and Jackson (we are usin both)
-    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.15.1'
+    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.15.2'
     implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
 
     // link preview
@@ -140,6 +141,8 @@ dependencies {
 
     // view videos
     implementation 'com.google.android.exoplayer:exoplayer:2.18.7'
+    // important for proxy / tor
+    implementation 'com.google.android.exoplayer:extension-okhttp:2.18.7'
 
     // Load images from the web.
     implementation "io.coil-kt:coil-compose:$coil_version"
@@ -151,8 +154,6 @@ dependencies {
     // create blurhash
     implementation group: 'io.trbl', name: 'blurhash', version: '1.0.0'
 
-    // Rendering clickable text
-    implementation "com.google.accompanist:accompanist-flowlayout:$accompanist_version"
     // Permission to upload pictures:
     implementation "com.google.accompanist:accompanist-permissions:$accompanist_version"
 

app/src/fdroid/java/com/vitorpamplona/amethyst/ui/components/TranslatableRichTextViewer.kt

@@ -4,13 +4,14 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import kotlinx.collections.immutable.ImmutableList
 
 @Composable
 fun TranslatableRichTextViewer(
     content: String,
     canPreview: Boolean,
     modifier: Modifier = Modifier,
-    tags: List<List<String>>?,
+    tags: ImmutableList<List<String>>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit

app/src/main/AndroidManifest.xml

@@ -30,6 +30,7 @@
         android:largeHeap="true"
         android:usesCleartextTraffic="true"
         android:hardwareAccelerated="true"
+        android:localeConfig="@xml/locales_config"
         tools:targetApi="33">
         <activity
             android:name=".ui.MainActivity"

app/src/main/java/com/vitorpamplona/amethyst/LocalPreferences.kt

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst
 import android.annotation.SuppressLint
 import android.content.Context
 import android.content.SharedPreferences
+import androidx.compose.runtime.Immutable
 import com.google.gson.GsonBuilder
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.Account
@@ -30,6 +31,7 @@ import java.util.Locale
 private const val DEBUG_PLAINTEXT_PREFERENCES = false
 private const val DEBUG_PREFERENCES_NAME = "debug_prefs"
 
+@Immutable
 data class AccountInfo(
     val npub: String,
     val hasPrivKey: Boolean = false

app/src/main/java/com/vitorpamplona/amethyst/NotificationCache.kt

@@ -39,14 +39,14 @@ object NotificationCache {
 
 class NotificationLiveData(val cache: NotificationCache) : LiveData<NotificationState>(NotificationState(cache)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.IO) {
-        if (hasActiveObservers()) {
-            postValue(NotificationState(cache))
-        }
-    }
+    private val bundler = BundledUpdate(300, Dispatchers.IO)
 
     fun invalidateData() {
-        bundler.invalidate()
+        bundler.invalidate() {
+            if (hasActiveObservers()) {
+                postValue(NotificationState(cache))
+            }
+        }
     }
 }
 

app/src/main/java/com/vitorpamplona/amethyst/ServiceManager.kt

@@ -1,5 +1,12 @@
 package com.vitorpamplona.amethyst
 
+import android.content.Context
+import android.os.Build
+import coil.Coil
+import coil.ImageLoader
+import coil.decode.GifDecoder
+import coil.decode.ImageDecoderDecoder
+import coil.decode.SvgDecoder
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.service.HttpClient
@@ -19,14 +26,33 @@ import com.vitorpamplona.amethyst.service.relays.Client
 object ServiceManager {
     private var account: Account? = null
 
-    fun start(account: Account) {
+    fun start(account: Account, context: Context) {
         this.account = account
-        start()
+        start(context)
     }
 
-    fun start() {
+    fun start(context: Context) {
         val myAccount = account
+
+        // Resets Proxy Use
         HttpClient.start(account)
+        Coil.setImageLoader {
+            ImageLoader.Builder(context).components {
+                if (Build.VERSION.SDK_INT >= 28) {
+                    add(ImageDecoderDecoder.Factory())
+                } else {
+                    add(GifDecoder.Factory())
+                }
+                add(SvgDecoder.Factory())
+            } // .logger(DebugLogger())
+                .okHttpClient { HttpClient.getHttpClient() }
+                .respectCacheHeaders(false)
+                .build()
+        }
+
+        // Initializes video cache.
+        VideoCache.init(context.applicationContext)
+
         if (myAccount != null) {
             Client.connect(myAccount.activeRelays() ?: myAccount.convertLocalRelays())
 

app/src/main/java/com/vitorpamplona/amethyst/VideoCache.kt

@@ -2,10 +2,11 @@ package com.vitorpamplona.amethyst
 
 import android.content.Context
 import com.google.android.exoplayer2.database.StandaloneDatabaseProvider
-import com.google.android.exoplayer2.upstream.DefaultHttpDataSource
+import com.google.android.exoplayer2.ext.okhttp.OkHttpDataSource
 import com.google.android.exoplayer2.upstream.cache.CacheDataSource
 import com.google.android.exoplayer2.upstream.cache.LeastRecentlyUsedCacheEvictor
 import com.google.android.exoplayer2.upstream.cache.SimpleCache
+import com.vitorpamplona.amethyst.service.HttpClient
 
 object VideoCache {
 
@@ -31,7 +32,14 @@ object VideoCache {
             cacheDataSourceFactory = CacheDataSource.Factory()
                 .setCache(simpleCache)
                 .setUpstreamDataSourceFactory(
-                    DefaultHttpDataSource.Factory().setAllowCrossProtocolRedirects(true)
+                    OkHttpDataSource.Factory(HttpClient.getHttpClient())
+                )
+                .setFlags(CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR)
+        } else {
+            cacheDataSourceFactory = CacheDataSource.Factory()
+                .setCache(simpleCache)
+                .setUpstreamDataSourceFactory(
+                    OkHttpDataSource.Factory(HttpClient.getHttpClient())
                 )
                 .setFlags(CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR)
         }

app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt

@@ -567,16 +567,15 @@ class Account(
         LocalCache.consume(signedEvent, null)
     }
 
-    fun sendPrivateMessage(message: String, toUser: String, replyingTo: Note? = null, mentions: List<User>?, zapReceiver: String? = null, wantsToMarkAsSensitive: Boolean) {
+    fun sendPrivateMessage(message: String, toUser: User, replyingTo: Note? = null, mentions: List<User>?, zapReceiver: String? = null, wantsToMarkAsSensitive: Boolean) {
         if (!isWriteable()) return
-        val user = LocalCache.users[toUser] ?: return
 
         val repliesToHex = listOfNotNull(replyingTo?.idHex).ifEmpty { null }
         val mentionsHex = mentions?.map { it.pubkeyHex }
 
         val signedEvent = PrivateDmEvent.create(
-            recipientPubKey = user.pubkey(),
-            publishedRecipientPubKey = user.pubkey(),
+            recipientPubKey = toUser.pubkey(),
+            publishedRecipientPubKey = toUser.pubkey(),
             msg = message,
             replyTos = repliesToHex,
             mentions = mentionsHex,
@@ -909,15 +908,7 @@ class Account(
     fun decryptContent(note: Note): String? {
         val event = note.event
         return if (event is PrivateDmEvent && loggedIn.privKey != null) {
-            var pubkeyToUse = event.pubKey
-
-            val recepientPK = event.verifiedRecipientPubKey()
-
-            if (note.author == userProfile() && recepientPK != null) {
-                pubkeyToUse = recepientPK
-            }
-
-            event.plainContent(loggedIn.privKey!!, pubkeyToUse.hexToByteArray())
+            event.plainContent(loggedIn.privKey!!, event.talkingWith(userProfile().pubkeyHex).hexToByteArray())
         } else if (event is LnZapRequestEvent && loggedIn.privKey != null) {
             decryptZapContentAuthor(note)?.content()
         } else {
@@ -1012,10 +1003,10 @@ class Account(
     }
 
     private fun updateContactListTo(newContactList: ContactListEvent?) {
-        if (newContactList?.unverifiedFollowKeySet().isNullOrEmpty()) return
+        if (newContactList == null || newContactList.tags.isEmpty()) return
 
         // Events might be different objects, we have to compare their ids.
-        if (backupContactList?.id != newContactList?.id) {
+        if (backupContactList?.id != newContactList.id) {
             backupContactList = newContactList
             saveable.invalidateData()
         }
@@ -1143,7 +1134,9 @@ class Account(
 
         // saves contact list for the next time.
         userProfile().live().follows.observeForever {
-            updateContactListTo(userProfile().latestContactList)
+            GlobalScope.launch(Dispatchers.IO) {
+                updateContactListTo(userProfile().latestContactList)
+            }
         }
 
         // imports transient blocks due to spam.
@@ -1154,6 +1147,7 @@ class Account(
                         val userToBlock = LocalCache.getOrCreateUser(it.pubkeyHex)
                         if (userToBlock != userProfile() && userToBlock.pubkeyHex !in followingKeySet()) {
                             transientHiddenUsers = transientHiddenUsers + it.pubkeyHex
+                            live.invalidateData()
                         }
                     }
                 }
@@ -1173,14 +1167,14 @@ class Account(
 
 class AccountLiveData(private val account: Account) : LiveData<AccountState>(AccountState(account)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.Default) {
-        if (hasActiveObservers()) {
-            refresh()
-        }
-    }
+    private val bundler = BundledUpdate(300, Dispatchers.Default)
 
     fun invalidateData() {
-        bundler.invalidate()
+        bundler.invalidate() {
+            if (hasActiveObservers()) {
+                refresh()
+            }
+        }
     }
 
     fun refresh() {

app/src/main/java/com/vitorpamplona/amethyst/model/AntiSpamFilter.kt

@@ -3,7 +3,9 @@ package com.vitorpamplona.amethyst.model
 import android.util.Log
 import android.util.LruCache
 import androidx.lifecycle.LiveData
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.Event
+import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import kotlinx.coroutines.Dispatchers
@@ -16,6 +18,8 @@ class AntiSpamFilter {
 
     @Synchronized
     fun isSpam(event: Event, relay: Relay?): Boolean {
+        checkNotInMainThread()
+
         val idHex = event.id
 
         // if short message, ok
@@ -28,6 +32,7 @@ class AntiSpamFilter {
         val hash = (event.content + event.tags.flatten().joinToString(",")).hashCode()
 
         if ((recentMessages[hash] != null && recentMessages[hash] != idHex) || spamMessages[hash] != null) {
+            Log.w("Potential SPAM Message for sharing", "${Nip19.createNEvent(event.id, event.pubKey, event.kind, null)}")
             Log.w("Potential SPAM Message", "${event.id} ${recentMessages[hash]} ${spamMessages[hash] != null} ${relay?.url} ${event.content.replace("\n", " | ")}")
 
             // Log down offenders
@@ -55,14 +60,14 @@ class AntiSpamFilter {
 class AntiSpamLiveData(val cache: AntiSpamFilter) : LiveData<AntiSpamState>(AntiSpamState(cache)) {
 
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.IO) {
-        if (hasActiveObservers()) {
-            postValue(AntiSpamState(cache))
-        }
-    }
+    private val bundler = BundledUpdate(300, Dispatchers.IO)
 
     fun invalidateData() {
-        bundler.invalidate()
+        bundler.invalidate() {
+            if (hasActiveObservers()) {
+                postValue(AntiSpamState(cache))
+            }
+        }
     }
 }
 

app/src/main/java/com/vitorpamplona/amethyst/model/Channel.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.model
 
+import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleChannelDataSource
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
@@ -9,6 +10,7 @@ import fr.acinq.secp256k1.Hex
 import kotlinx.coroutines.Dispatchers
 import java.util.concurrent.ConcurrentHashMap
 
+@Stable
 class Channel(val idHex: String) {
     var creator: User? = null
     var info = ChannelCreateEvent.ChannelData(null, null, null)
@@ -33,6 +35,10 @@ class Channel(val idHex: String) {
         notes.remove(note.idHex)
     }
 
+    fun removeNote(noteHex: String) {
+        notes.remove(noteHex)
+    }
+
     fun updateChannelInfo(creator: User, channelInfo: ChannelCreateEvent.ChannelData, updatedAt: Long) {
         this.creator = creator
         this.info = channelInfo
@@ -74,14 +80,14 @@ class Channel(val idHex: String) {
 
 class ChannelLiveData(val channel: Channel) : LiveData<ChannelState>(ChannelState(channel)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.IO) {
-        if (hasActiveObservers()) {
-            postValue(ChannelState(channel))
-        }
-    }
+    private val bundler = BundledUpdate(300, Dispatchers.IO)
 
     fun invalidateData() {
-        bundler.invalidate()
+        bundler.invalidate() {
+            if (hasActiveObservers()) {
+                postValue(ChannelState(channel))
+            }
+        }
     }
 
     override fun onActive() {

app/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt

@@ -1,9 +1,8 @@
 package com.vitorpamplona.amethyst.model
 
 import android.util.Log
-import com.fasterxml.jackson.databind.DeserializationFeature
-import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.Amethyst
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.*
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.Relay
@@ -13,7 +12,6 @@ import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import nostr.postr.toNpub
-import java.io.ByteArrayInputStream
 import java.io.File
 import java.io.FileOutputStream
 import java.io.IOException
@@ -23,12 +21,6 @@ import java.time.format.DateTimeFormatter
 import java.util.concurrent.ConcurrentHashMap
 
 object LocalCache {
-    val metadataParser by lazy {
-        jacksonObjectMapper()
-            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
-            .readerFor(UserMetadata::class.java)
-    }
-
     val antiSpam = AntiSpamFilter()
 
     val users = ConcurrentHashMap<HexKey, User>(5000)
@@ -40,6 +32,8 @@ object LocalCache {
         ConcurrentHashMap<HexKey, Pair<Note?, (LnZapPaymentResponseEvent) -> Unit>>(10)
 
     fun checkGetOrCreateUser(key: String): User? {
+        checkNotInMainThread()
+
         if (isValidHexNpub(key)) {
             return getOrCreateUser(key)
         }
@@ -48,6 +42,8 @@ object LocalCache {
 
     @Synchronized
     fun getOrCreateUser(key: HexKey): User {
+        // checkNotInMainThread()
+
         return users[key] ?: run {
             val answer = User(key)
             users.put(key, answer)
@@ -56,6 +52,8 @@ object LocalCache {
     }
 
     fun checkGetOrCreateNote(key: String): Note? {
+        checkNotInMainThread()
+
         if (ATag.isATag(key)) {
             return checkGetOrCreateAddressableNote(key)
         }
@@ -67,6 +65,8 @@ object LocalCache {
 
     @Synchronized
     fun getOrCreateNote(idHex: String): Note {
+        checkNotInMainThread()
+
         return notes[idHex] ?: run {
             val answer = Note(idHex)
             notes.put(idHex, answer)
@@ -75,6 +75,8 @@ object LocalCache {
     }
 
     fun checkGetOrCreateChannel(key: String): Channel? {
+        checkNotInMainThread()
+
         if (isValidHexNpub(key)) {
             return getOrCreateChannel(key)
         }
@@ -93,6 +95,8 @@ object LocalCache {
 
     @Synchronized
     fun getOrCreateChannel(key: String): Channel {
+        checkNotInMainThread()
+
         return channels[key] ?: run {
             val answer = Channel(key)
             channels.put(key, answer)
@@ -116,6 +120,8 @@ object LocalCache {
 
     @Synchronized
     fun getOrCreateAddressableNote(key: ATag): AddressableNote {
+        checkNotInMainThread()
+
         // we can't use naddr here because naddr might include relay info and
         // the preferred relay should not be part of the index.
         return addressables[key.toTag()] ?: run {
@@ -130,18 +136,10 @@ object LocalCache {
         // new event
         val oldUser = getOrCreateUser(event.pubKey)
         if (oldUser.info == null || event.createdAt > oldUser.info!!.updatedMetadataAt) {
-            val newUser = try {
-                metadataParser.readValue(
-                    ByteArrayInputStream(event.content.toByteArray(Charsets.UTF_8)),
-                    UserMetadata::class.java
-                )
-            } catch (e: Exception) {
-                e.printStackTrace()
-                Log.w("MT", "Content Parse Error ${e.localizedMessage} ${event.content}")
-                return
+            val newUserMetadata = event.contactMetaData()
+            if (newUserMetadata != null) {
+                oldUser.updateUserInfo(newUserMetadata, event)
             }
-
-            oldUser.updateUserInfo(newUser, event)
             // Log.d("MT", "New User Metadata ${oldUser.pubkeyDisplayHex} ${oldUser.toBestDisplayName()}")
         } else {
             // Log.d("MT","Relay sent a previous Metadata Event ${oldUser.toBestDisplayName()} ${formattedDateTime(event.createdAt)} > ${formattedDateTime(oldUser.updatedAt)}")
@@ -285,12 +283,13 @@ object LocalCache {
         val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
 
-        // Already processed this event.
-        if (note.event != null) return
+        if (note.event?.id() == event.id()) return
 
-        note.loadEvent(event, author, emptyList())
+        if (event.createdAt > (note.createdAt() ?: 0)) {
+            note.loadEvent(event, author, emptyList())
 
-        refreshObservers(note)
+            refreshObservers(note)
+        }
     }
 
     private fun consume(event: AudioTrackEvent) {
@@ -298,11 +297,13 @@ object LocalCache {
         val author = getOrCreateUser(event.pubKey)
 
         // Already processed this event.
-        if (note.event != null) return
+        if (note.event?.id() == event.id()) return
 
-        note.loadEvent(event, author, emptyList())
+        if (event.createdAt > (note.createdAt() ?: 0)) {
+            note.loadEvent(event, author, emptyList())
 
-        refreshObservers(note)
+            refreshObservers(note)
+        }
     }
 
     fun consume(event: BadgeDefinitionEvent) {
@@ -357,6 +358,32 @@ object LocalCache {
         refreshObservers(note)
     }
 
+    fun consume(event: AppDefinitionEvent) {
+        val note = getOrCreateAddressableNote(event.address())
+        val author = getOrCreateUser(event.pubKey)
+
+        // Already processed this event.
+        if (note.event != null) return
+
+        note.loadEvent(event, author, emptyList())
+
+        refreshObservers(note)
+    }
+
+    fun consume(event: AppRecommendationEvent) {
+        val note = getOrCreateAddressableNote(event.address())
+        val author = getOrCreateUser(event.pubKey)
+
+        // Already processed this event.
+        if (note.event?.id() == event.id()) return
+
+        if (event.createdAt > (note.createdAt() ?: 0)) {
+            note.loadEvent(event, author, emptyList())
+
+            refreshObservers(note)
+        }
+    }
+
     @Suppress("UNUSED_PARAMETER")
     fun consume(event: RecommendRelayEvent) {
 //        // Log.d("RR", event.toJson())
@@ -429,8 +456,10 @@ object LocalCache {
                     masterNote.removeReport(deleteNote)
                 }
 
-                val channel = deleteNote.channel()
-                channel?.removeNote(deleteNote)
+                deleteNote.channelHex()?.let {
+                    val channel = checkGetOrCreateChannel(it)
+                    channel?.removeNote(deleteNote)
+                }
 
                 if (deleteNote.event is PrivateDmEvent) {
                     val author = deleteNote.author
@@ -505,15 +534,6 @@ object LocalCache {
             }
         }
 
-        if (event.content == "!" || // nostr_console hide.
-            event.content == "\u26A0\uFE0F" // Warning sign
-        ) {
-            // Counts the replies
-            repliesTo.forEach {
-                it.addReport(note)
-            }
-        }
-
         refreshObservers(note)
     }
 
@@ -541,9 +561,15 @@ object LocalCache {
             mentions.forEach {
                 it.addReport(note)
             }
-        }
-        repliesTo.forEach {
-            it.addReport(note)
+        } else {
+            repliesTo.forEach {
+                it.addReport(note)
+            }
+
+            mentions.forEach {
+                // doesn't add to reports, but triggers recounts
+                it.liveSet?.reports?.invalidateData()
+            }
         }
 
         refreshObservers(note)
@@ -839,6 +865,8 @@ object LocalCache {
     }
 
     fun findUsersStartingWith(username: String): List<User> {
+        checkNotInMainThread()
+
         val key = decodePublicKeyAsHexOrNull(username)
 
         if (key != null && users[key] != null) {
@@ -853,6 +881,8 @@ object LocalCache {
     }
 
     fun findNotesStartingWith(text: String): List<Note> {
+        checkNotInMainThread()
+
         val key = try {
             Nip19.uriToRoute(text)?.hex ?: Hex.decode(text).toHexKey()
         } catch (e: Exception) {
@@ -878,6 +908,8 @@ object LocalCache {
     }
 
     fun findChannelsStartingWith(text: String): List<Channel> {
+        checkNotInMainThread()
+
         val key = try {
             Nip19.uriToRoute(text)?.hex ?: Hex.decode(text).toHexKey()
         } catch (e: Exception) {
@@ -906,6 +938,8 @@ object LocalCache {
     }
 
     fun pruneOldAndHiddenMessages(account: Account) {
+        checkNotInMainThread()
+
         channels.forEach { it ->
             val toBeRemoved = it.value.pruneOldAndHiddenMessages(account)
 
@@ -924,6 +958,8 @@ object LocalCache {
     }
 
     fun pruneHiddenMessages(account: Account) {
+        checkNotInMainThread()
+
         val toBeRemoved = account.hiddenUsers.map {
             (users[it]?.notes ?: emptySet())
         }.flatten()
@@ -951,6 +987,8 @@ object LocalCache {
     }
 
     fun pruneContactLists(userAccount: Account) {
+        checkNotInMainThread()
+
         var removingContactList = 0
         users.values.forEach {
             if (it != userAccount.userProfile() && (it.liveSet == null || it.liveSet?.isInUse() == false) && it.latestContactList != null) {
@@ -970,10 +1008,14 @@ object LocalCache {
     }
 
     fun consume(event: Event, relay: Relay?) {
+        checkNotInMainThread()
+
         if (!event.hasValidSignature()) return
 
         try {
             when (event) {
+                is AppDefinitionEvent -> consume(event)
+                is AppRecommendationEvent -> consume(event)
                 is AudioTrackEvent -> consume(event)
                 is BadgeAwardEvent -> consume(event)
                 is BadgeDefinitionEvent -> consume(event)

app/src/main/java/com/vitorpamplona/amethyst/model/Note.kt

@@ -73,10 +73,6 @@ open class Note(val idHex: String) {
             ?: (event as? ChannelCreateEvent)?.id
     }
 
-    fun channel(): Channel? {
-        return channelHex()?.let { LocalCache.checkGetOrCreateChannel(it) }
-    }
-
     open fun address(): ATag? = null
 
     open fun createdAt() = event?.createdAt()
@@ -232,7 +228,7 @@ open class Note(val idHex: String) {
     fun isZappedBy(user: User, account: Account): Boolean {
         // Zaps who the requester was the user
         return zaps.any {
-            it.key.author === user || account.decryptZapContentAuthor(it.key)?.pubKey == user.pubkeyHex
+            it.key.author?.pubkeyHex == user.pubkeyHex || account.decryptZapContentAuthor(it.key)?.pubKey == user.pubkeyHex
         } || zapPayments.any {
             val zapResponseEvent = it.value?.event as? LnZapPaymentResponseEvent
             val response = if (zapResponseEvent != null) {
@@ -245,11 +241,11 @@ open class Note(val idHex: String) {
     }
 
     fun isReactedBy(user: User): Boolean {
-        return reactions.any { it.author === user }
+        return reactions.any { it.author?.pubkeyHex == user.pubkeyHex }
     }
 
     fun isBoostedBy(user: User): Boolean {
-        return boosts.any { it.author === user }
+        return boosts.any { it.author?.pubkeyHex == user.pubkeyHex }
     }
 
     fun reportsBy(user: User): Set<Note> {
@@ -414,14 +410,14 @@ class NoteLiveSet(u: Note) {
 
 class NoteLiveData(val note: Note) : LiveData<NoteState>(NoteState(note)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.IO) {
-        // if (hasObservers()) {
-        postValue(NoteState(note))
-        // }
-    }
+    private val bundler = BundledUpdate(300, Dispatchers.IO)
 
     fun invalidateData() {
-        bundler.invalidate()
+        bundler.invalidate() {
+            // if (hasObservers()) {
+            postValue(NoteState(note))
+            // }
+        }
     }
 
     override fun onActive() {

app/src/main/java/com/vitorpamplona/amethyst/model/UrlCachedPreviewer.kt

@@ -1,12 +1,9 @@
 package com.vitorpamplona.amethyst.model
 
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.previews.BahaUrlPreview
 import com.vitorpamplona.amethyst.service.previews.IUrlPreviewCallback
 import com.vitorpamplona.amethyst.service.previews.UrlInfoItem
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.launch
 
 object UrlCachedPreviewer {
     var cache = mapOf<String, UrlInfoItem>()
@@ -15,6 +12,8 @@ object UrlCachedPreviewer {
         private set
 
     fun previewInfo(url: String, callback: IUrlPreviewCallback? = null) {
+        checkNotInMainThread()
+
         cache[url]?.let {
             callback?.onComplete(it)
             return
@@ -25,22 +24,19 @@ object UrlCachedPreviewer {
             return
         }
 
-        val scope = CoroutineScope(Job() + Dispatchers.IO)
-        scope.launch {
-            BahaUrlPreview(
-                url,
-                object : IUrlPreviewCallback {
-                    override fun onComplete(urlInfo: UrlInfoItem) {
-                        cache = cache + Pair(url, urlInfo)
-                        callback?.onComplete(urlInfo)
-                    }
-
-                    override fun onFailed(throwable: Throwable) {
-                        failures = failures + Pair(url, throwable)
-                        callback?.onFailed(throwable)
-                    }
+        BahaUrlPreview(
+            url,
+            object : IUrlPreviewCallback {
+                override fun onComplete(urlInfo: UrlInfoItem) {
+                    cache = cache + Pair(url, urlInfo)
+                    callback?.onComplete(urlInfo)
                 }
-            ).fetchUrlPreview()
-        }
+
+                override fun onFailed(throwable: Throwable) {
+                    failures = failures + Pair(url, throwable)
+                    callback?.onFailed(throwable)
+                }
+            }
+        ).fetchUrlPreview()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/model/User.kt

@@ -4,6 +4,7 @@ import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
 import com.vitorpamplona.amethyst.service.model.ContactListEvent
 import com.vitorpamplona.amethyst.service.model.LnZapEvent
@@ -185,6 +186,8 @@ class User(val pubkeyHex: String) {
 
     @Synchronized
     private fun getOrCreatePrivateChatroom(user: User): Chatroom {
+        checkNotInMainThread()
+
         return privateChatrooms[user] ?: run {
             val privateChatroom = Chatroom(setOf<Note>())
             privateChatrooms = privateChatrooms + Pair(user, privateChatroom)
@@ -194,6 +197,8 @@ class User(val pubkeyHex: String) {
 
     @Synchronized
     fun addMessage(user: User, msg: Note) {
+        checkNotInMainThread()
+
         val privateChatroom = getOrCreatePrivateChatroom(user)
         if (msg !in privateChatroom.roomMessages) {
             privateChatroom.roomMessages = privateChatroom.roomMessages + msg
@@ -203,6 +208,8 @@ class User(val pubkeyHex: String) {
 
     @Synchronized
     fun removeMessage(user: User, msg: Note) {
+        checkNotInMainThread()
+
         val privateChatroom = getOrCreatePrivateChatroom(user)
         if (msg in privateChatroom.roomMessages) {
             privateChatroom.roomMessages = privateChatroom.roomMessages - msg
@@ -249,15 +256,11 @@ class User(val pubkeyHex: String) {
     }
 
     fun isFollowing(user: User): Boolean {
-        return latestContactList?.unverifiedFollowKeySet()?.toSet()?.let {
-            return user.pubkeyHex in it
-        } ?: false
+        return latestContactList?.isTaggedUser(user.pubkeyHex) ?: false
     }
 
     fun isFollowingHashtag(tag: String): Boolean {
-        return latestContactList?.unverifiedFollowTagSet()?.toSet()?.let {
-            return tag in it
-        } ?: false
+        return latestContactList?.isTaggedHash(tag) ?: false
     }
 
     fun isFollowingHashtagCached(tag: String): Boolean {
@@ -272,11 +275,17 @@ class User(val pubkeyHex: String) {
         } ?: false
     }
 
+    fun isFollowingCached(userHex: String): Boolean {
+        return latestContactList?.verifiedFollowKeySet?.let {
+            return userHex in it
+        } ?: false
+    }
+
     fun transientFollowCount(): Int? {
         return latestContactList?.unverifiedFollowKeySet()?.size
     }
 
-    fun transientFollowerCount(): Int {
+    suspend fun transientFollowerCount(): Int {
         return LocalCache.users.values.count { it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
     }
 
@@ -292,14 +301,14 @@ class User(val pubkeyHex: String) {
         return latestContactList?.verifiedFollowKeySet?.size
     }
 
-    fun cachedFollowerCount(): Int {
+    suspend fun cachedFollowerCount(): Int {
         return LocalCache.users.values.count { it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
     }
 
     fun hasSentMessagesTo(user: User?): Boolean {
         val messagesToUser = privateChatrooms[user] ?: return false
 
-        return messagesToUser.roomMessages.any { this === it.author }
+        return messagesToUser.roomMessages.any { this.pubkeyHex == it.author?.pubkeyHex }
     }
 
     fun hasReport(loggedIn: User, type: ReportEvent.ReportType): Boolean {
@@ -388,6 +397,10 @@ class UserMetadata {
     var updatedMetadataAt: Long = 0
     var latestMetadata: MetadataEvent? = null
 
+    fun anyName(): String? {
+        return display_name ?: displayName ?: name ?: username
+    }
+
     fun anyNameStartsWith(prefix: String): Boolean {
         return listOfNotNull(name, username, display_name, displayName, nip05, lud06, lud16)
             .any { it.startsWith(prefix, true) }
@@ -400,14 +413,14 @@ class UserMetadata {
 
 class UserLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.IO) {
-        if (hasActiveObservers()) {
-            postValue(UserState(user))
-        }
-    }
+    private val bundler = BundledUpdate(300, Dispatchers.IO)
 
     fun invalidateData() {
-        bundler.invalidate()
+        bundler.invalidate() {
+            if (hasActiveObservers()) {
+                postValue(UserState(user))
+            }
+        }
     }
 
     override fun onActive() {

app/src/main/java/com/vitorpamplona/amethyst/service/BlurHashImage.kt

@@ -20,6 +20,8 @@ class BlurHashFetcher(
 ) : Fetcher {
 
     override suspend fun fetch(): FetchResult {
+        checkNotInMainThread()
+
         val encodedHash = data.toString().removePrefix("bluehash:")
         val hash = URLDecoder.decode(encodedHash, "utf-8")
 

app/src/main/java/com/vitorpamplona/amethyst/service/MainThreadChecker.kt

@@ -0,0 +1,12 @@
+package com.vitorpamplona.amethyst.service
+
+import android.os.Looper
+import com.vitorpamplona.amethyst.BuildConfig
+
+fun checkNotInMainThread() {
+    if (BuildConfig.DEBUG && isMainThread()) throw OnMainThreadException("It should not be in the MainThread")
+}
+
+fun isMainThread() = Looper.myLooper() == Looper.getMainLooper()
+
+class OnMainThreadException(str: String) : RuntimeException(str)

app/src/main/java/com/vitorpamplona/amethyst/service/Nip05Verifier.kt

@@ -75,14 +75,17 @@ class Nip05Verifier() {
         fetchNip05Json(
             nip05,
             onSuccess = {
+                // NIP05 usernames are case insensitive, but JSON properties are not
+                // converts the json to lowercase and then tries to access the username via a
+                // lowercase version of the username.
                 val nip05url = try {
-                    mapper.readTree(it)
+                    mapper.readTree(it.lowercase())
                 } catch (t: Throwable) {
                     onError("Error Parsing JSON from Lightning Address. Check the user's lightning setup")
                     null
                 }
 
-                val user = nip05.split("@")[0]
+                val user = nip05.split("@")[0].lowercase()
 
                 val hexKey = nip05url?.get("names")?.get(user)?.asText()
 

app/src/main/java/com/vitorpamplona/amethyst/service/NostrChannelDataSource.kt

@@ -2,7 +2,6 @@ package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Channel
-import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
@@ -12,9 +11,9 @@ object NostrChannelDataSource : NostrDataSource("ChatroomFeed") {
     var account: Account? = null
     var channel: Channel? = null
 
-    fun loadMessagesBetween(account: Account, channelId: String) {
+    fun loadMessagesBetween(account: Account, channel: Channel) {
         this.account = account
-        channel = LocalCache.getOrCreateChannel(channelId)
+        this.channel = channel
         resetFilters()
     }
 

app/src/main/java/com/vitorpamplona/amethyst/service/NostrChatroomDataSource.kt

@@ -1,7 +1,6 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
-import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.relays.FeedType
@@ -12,9 +11,9 @@ object NostrChatroomDataSource : NostrDataSource("ChatroomFeed") {
     lateinit var account: Account
     var withUser: User? = null
 
-    fun loadMessagesBetween(accountIn: Account, userId: String) {
+    fun loadMessagesBetween(accountIn: Account, user: User) {
         account = accountIn
-        withUser = LocalCache.users[userId]
+        withUser = user
         resetFilters()
     }
 

app/src/main/java/com/vitorpamplona/amethyst/service/NostrDataSource.kt

@@ -103,16 +103,16 @@ abstract class NostrDataSource(val debugName: String) {
     }
 
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.IO) {
-        // println("DataSource: ${this.javaClass.simpleName} InvalidateFilters")
-
-        // adds the time to perform the refresh into this delay
-        // holding off new updates in case of heavy refresh routines.
-        resetFiltersSuspend()
-    }
+    private val bundler = BundledUpdate(300, Dispatchers.IO)
 
     fun invalidateFilters() {
-        bundler.invalidate()
+        bundler.invalidate() {
+            // println("DataSource: ${this.javaClass.simpleName} InvalidateFilters")
+
+            // adds the time to perform the refresh into this delay
+            // holding off new updates in case of heavy refresh routines.
+            resetFiltersSuspend()
+        }
     }
 
     fun resetFilters() {
@@ -123,6 +123,8 @@ abstract class NostrDataSource(val debugName: String) {
     }
 
     fun resetFiltersSuspend() {
+        checkNotInMainThread()
+
         // saves the channels that are currently active
         val activeSubscriptions = subscriptions.values.filter { it.typedFilters != null }
         // saves the current content to only update if it changes

app/src/main/java/com/vitorpamplona/amethyst/service/NostrSingleEventDataSource.kt

@@ -29,7 +29,8 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
                             ReactionEvent.kind, RepostEvent.kind, ReportEvent.kind,
                             LnZapEvent.kind, LnZapRequestEvent.kind,
                             BadgeAwardEvent.kind, BadgeDefinitionEvent.kind, BadgeProfilesEvent.kind,
-                            PollNoteEvent.kind, AudioTrackEvent.kind, PinListEvent.kind
+                            PollNoteEvent.kind, AudioTrackEvent.kind, PinListEvent.kind,
+                            PeopleListEvent.kind, BookmarkListEvent.kind
                         ),
                         tags = mapOf("a" to listOf(aTag.toTag())),
                         since = it.lastReactionsDownloadTime
@@ -121,7 +122,8 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
                         BadgeDefinitionEvent.kind, BadgeAwardEvent.kind, BadgeProfilesEvent.kind,
                         PrivateDmEvent.kind,
                         FileHeaderEvent.kind, FileStorageEvent.kind, FileStorageHeaderEvent.kind,
-                        HighlightEvent.kind, AudioTrackEvent.kind, PinListEvent.kind
+                        HighlightEvent.kind, AudioTrackEvent.kind, PinListEvent.kind,
+                        PeopleListEvent.kind, BookmarkListEvent.kind
                     ),
                     ids = interestedEvents.toList()
                 )

app/src/main/java/com/vitorpamplona/amethyst/service/NostrUserProfileDataSource.kt

@@ -81,9 +81,9 @@ object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
         TypedFilter(
             types = COMMON_FEED_TYPES,
             filter = JsonFilter(
-                kinds = listOf(BookmarkListEvent.kind, PeopleListEvent.kind),
+                kinds = listOf(BookmarkListEvent.kind, PeopleListEvent.kind, AppRecommendationEvent.kind),
                 authors = listOf(it.pubkeyHex),
-                limit = 1
+                limit = 100
             )
         )
     }

app/src/main/java/com/vitorpamplona/amethyst/service/model/AppDefinitionEvent.kt

@@ -0,0 +1,41 @@
+package com.vitorpamplona.amethyst.service.model
+
+import android.util.Log
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.UserMetadata
+import java.io.ByteArrayInputStream
+
+@Immutable
+class AppDefinitionEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
+
+    fun appMetaData() = try {
+        MetadataEvent.metadataParser.readValue(
+            ByteArrayInputStream(content.toByteArray(Charsets.UTF_8)),
+            UserMetadata::class.java
+        )
+    } catch (e: Exception) {
+        e.printStackTrace()
+        Log.w("MT", "Content Parse Error ${e.localizedMessage} $content")
+        null
+    }
+
+    fun supportedKinds() = tags.filter { it.size > 1 && it[0] == "k" }.mapNotNull {
+        runCatching { it[1].toInt() }.getOrNull()
+    }
+
+    fun publishedAt() = tags.firstOrNull { it.size > 1 && it[0] == "published_at" }?.get(1)
+
+    companion object {
+        const val kind = 31990
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/model/AppRecommendationEvent.kt

@@ -0,0 +1,27 @@
+package com.vitorpamplona.amethyst.service.model
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.amethyst.model.HexKey
+
+@Immutable
+class AppRecommendationEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+    fun recommendations() = tags.filter { it.size > 1 && it[0] == "a" }.mapNotNull {
+        ATag.parse(it[1], it.getOrNull(2))
+    }
+
+    fun forKind() = runCatching { dTag().toInt() }.getOrNull()
+
+    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
+
+    companion object {
+        const val kind = 31989
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMessageEvent.kt

@@ -16,7 +16,12 @@ class ChannelMessageEvent(
     sig: HexKey
 ) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
 
-    fun channel() = tags.firstOrNull { it[0] == "e" && it.size > 3 && it[3] == "root" }?.getOrNull(1) ?: tags.firstOrNull { it.firstOrNull() == "e" }?.getOrNull(1)
+    fun channel() = tags.firstOrNull {
+        it.size > 3 && it[0] == "e" && it[3] == "root"
+    }?.get(1) ?: tags.firstOrNull {
+        it.size > 1 && it[0] == "e"
+    }?.get(1)
+
     override fun replyTos() = tags.filter { it.firstOrNull() == "e" && it.getOrNull(1) != channel() }.mapNotNull { it.getOrNull(1) }
 
     companion object {

app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMetadataEvent.kt

@@ -16,7 +16,7 @@ class ChannelMetadataEvent(
     content: String,
     sig: HexKey
 ) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun channel() = tags.firstOrNull { it.firstOrNull() == "e" }?.getOrNull(1)
+    fun channel() = tags.firstOrNull { it.size > 1 && it[0] == "e" }?.get(1)
     fun channelInfo() =
         try {
             MetadataEvent.gson.fromJson(content, ChannelCreateEvent.ChannelData::class.java)

app/src/main/java/com/vitorpamplona/amethyst/service/model/ContactListEvent.kt

@@ -23,14 +23,12 @@ class ContactListEvent(
     // This function is only used by the user logged in
     // But it is used all the time.
     val verifiedFollowKeySet: Set<HexKey> by lazy {
-        tags.filter { it[0] == "p" }.mapNotNull {
-            it.getOrNull(1)?.let { unverifiedHex: String ->
-                try {
-                    decodePublicKey(unverifiedHex).toHexKey()
-                } catch (e: Exception) {
-                    Log.w("ContactListEvent", "Can't parse tags as a follows: ${it[1]}", e)
-                    null
-                }
+        tags.filter { it.size > 1 && it[0] == "p" }.mapNotNull {
+            try {
+                decodePublicKey(it[1]).toHexKey()
+            } catch (e: Exception) {
+                Log.w("ContactListEvent", "Can't parse tags as a follows: ${it[1]}", e)
+                null
             }
         }.toSet()
     }

app/src/main/java/com/vitorpamplona/amethyst/service/model/Event.kt

@@ -228,6 +228,8 @@ open class Event(
         fun fromJson(json: JsonElement, lenient: Boolean = false): Event = gson.fromJson(json, Event::class.java).getRefinedEvent(lenient)
 
         fun Event.getRefinedEvent(lenient: Boolean = false): Event = when (kind) {
+            AppDefinitionEvent.kind -> AppDefinitionEvent(id, pubKey, createdAt, tags, content, sig)
+            AppRecommendationEvent.kind -> AppRecommendationEvent(id, pubKey, createdAt, tags, content, sig)
             AudioTrackEvent.kind -> AudioTrackEvent(id, pubKey, createdAt, tags, content, sig)
             BadgeAwardEvent.kind -> BadgeAwardEvent(id, pubKey, createdAt, tags, content, sig)
             BadgeDefinitionEvent.kind -> BadgeDefinitionEvent(id, pubKey, createdAt, tags, content, sig)

app/src/main/java/com/vitorpamplona/amethyst/service/model/MetadataEvent.kt

@@ -1,22 +1,17 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
-import androidx.compose.runtime.Immutable
+import com.fasterxml.jackson.databind.DeserializationFeature
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.google.gson.Gson
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.UserMetadata
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
+import java.io.ByteArrayInputStream
 import java.util.Date
 
-@Immutable
-data class ContactMetaData(
-    val name: String,
-    val picture: String,
-    val about: String,
-    val nip05: String?
-)
-
 abstract class IdentityClaim(
     var identity: String,
     var proof: String
@@ -145,9 +140,13 @@ class MetadataEvent(
     sig: HexKey
 ) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
     fun contactMetaData() = try {
-        gson.fromJson(content, ContactMetaData::class.java)
+        metadataParser.readValue(
+            ByteArrayInputStream(content.toByteArray(Charsets.UTF_8)),
+            UserMetadata::class.java
+        )
     } catch (e: Exception) {
-        Log.e("MetadataEvent", "Can't parse $content", e)
+        e.printStackTrace()
+        Log.w("MT", "Content Parse Error ${e.localizedMessage} $content")
         null
     }
 
@@ -164,8 +163,10 @@ class MetadataEvent(
         const val kind = 0
         val gson = Gson()
 
-        fun create(contactMetaData: ContactMetaData, identities: List<IdentityClaim>, privateKey: ByteArray, createdAt: Long = Date().time / 1000): MetadataEvent {
-            return create(gson.toJson(contactMetaData), identities, privateKey, createdAt = createdAt)
+        val metadataParser by lazy {
+            jacksonObjectMapper()
+                .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
+                .readerFor(UserMetadata::class.java)
         }
 
         fun create(contactMetaData: String, identities: List<IdentityClaim>, privateKey: ByteArray, createdAt: Long = Date().time / 1000): MetadataEvent {

app/src/main/java/com/vitorpamplona/amethyst/service/model/PrivateDmEvent.kt

@@ -29,6 +29,10 @@ class PrivateDmEvent(
 
     fun verifiedRecipientPubKey() = recipientPubKey()?.runCatching { Hex.decode(this[1]).toHexKey() }?.getOrNull() // makes sure its a valid one
 
+    fun talkingWith(oneSideHex: String): HexKey {
+        return if (pubKey == oneSideHex) verifiedRecipientPubKey() ?: pubKey else pubKey
+    }
+
     /**
      * To be fully compatible with nip-04, we read e-tags that are in violation to nip-18.
      *

app/src/main/java/com/vitorpamplona/amethyst/service/model/zaps/UserZaps.kt

@@ -2,17 +2,21 @@ package com.vitorpamplona.amethyst.service.model.zaps
 
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.model.LnZapEventInterface
+import com.vitorpamplona.amethyst.ui.screen.ZapReqResponse
 
 object UserZaps {
-    fun forProfileFeed(zaps: Map<Note, Note?>?): List<Pair<Note, Note>> {
+    fun forProfileFeed(zaps: Map<Note, Note?>?): List<ZapReqResponse> {
         if (zaps == null) return emptyList()
 
         return (
             zaps
-                .filter { it.value != null }
-                .toList()
-                .sortedBy { (it.second?.event as? LnZapEventInterface)?.amount() }
+                .mapNotNull { entry ->
+                    entry.value?.let {
+                        ZapReqResponse(entry.key, it)
+                    }
+                }
+                .sortedBy { (it.zapEvent.event as? LnZapEventInterface)?.amount() }
                 .reversed()
-            ) as List<Pair<Note, Note>>
+            )
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/service/nip19/Nip19.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.nip19
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.hexToByteArray
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Bech32
@@ -15,6 +16,7 @@ object Nip19 {
 
     val nip19regex = Pattern.compile("(nostr:)?@?(nsec1|npub1|nevent1|naddr1|note1|nprofile1|nrelay1)([qpzry9x8gf2tvdw0s3jn54khce6mua7l]+)([\\S]*)", Pattern.CASE_INSENSITIVE)
 
+    @Immutable
     data class Return(
         val type: Type,
         val hex: String,

app/src/main/java/com/vitorpamplona/amethyst/service/notifications/EventNotificationConsumer.kt

@@ -13,15 +13,22 @@ import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.notifications.NotificationUtils.sendDMNotification
 import com.vitorpamplona.amethyst.service.notifications.NotificationUtils.sendZapNotification
 import com.vitorpamplona.amethyst.ui.note.showAmount
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
 
 class EventNotificationConsumer(private val applicationContext: Context) {
     fun consume(event: Event) {
-        // adds to database
-        LocalCache.consume(event, null)
+        val scope = CoroutineScope(Job() + Dispatchers.IO)
+        scope.launch {
+            // adds to database
+            LocalCache.consume(event, null)
 
-        when (event) {
-            is PrivateDmEvent -> notify(event)
-            is LnZapEvent -> notify(event)
+            when (event) {
+                is PrivateDmEvent -> notify(event)
+                is LnZapEvent -> notify(event)
+            }
         }
     }
 
@@ -54,6 +61,7 @@ class EventNotificationConsumer(private val applicationContext: Context) {
 
     private fun notify(event: LnZapEvent) {
         val noteZapEvent = LocalCache.notes[event.id] ?: return
+
         val noteZapRequest = event.zapRequest?.id?.let { LocalCache.checkGetOrCreateNote(it) }
         val noteZapped = event.zappedPost().firstOrNull()?.let { LocalCache.checkGetOrCreateNote(it) }
 

app/src/main/java/com/vitorpamplona/amethyst/service/notifications/NotificationUtils.kt

@@ -7,6 +7,7 @@ import android.content.Context
 import android.content.Intent
 import android.graphics.drawable.BitmapDrawable
 import android.net.Uri
+import android.service.notification.StatusBarNotification
 import androidx.core.app.NotificationCompat
 import coil.ImageLoader
 import coil.executeBlocking
@@ -133,13 +134,23 @@ object NotificationUtils {
         channelId: String,
         applicationContext: Context
     ) {
+        val notId = id.hashCode()
+
+        // dont notify twice
+        val notifications: Array<StatusBarNotification> = getActiveNotifications()
+        for (notification in notifications) {
+            if (notification.id == notId) {
+                return
+            }
+        }
+
         val contentIntent = Intent(applicationContext, MainActivity::class.java).apply {
             data = Uri.parse(uri)
         }
 
         val contentPendingIntent = PendingIntent.getActivity(
             applicationContext,
-            id.hashCode(),
+            notId,
             contentIntent,
             PendingIntent.FLAG_MUTABLE
         )
@@ -173,7 +184,7 @@ object NotificationUtils {
             .setPriority(NotificationCompat.PRIORITY_HIGH)
             .setAutoCancel(true)
 
-        notify(id.hashCode(), builder.build())
+        notify(notId, builder.build())
     }
 
     /**

app/src/main/java/com/vitorpamplona/amethyst/service/previews/BahaUrlPreview.kt

@@ -5,7 +5,7 @@ import kotlinx.coroutines.*
 import java.util.*
 
 class BahaUrlPreview(val url: String, var callback: IUrlPreviewCallback?) {
-    val scope = CoroutineScope(Job() + Dispatchers.Main)
+    val scope = CoroutineScope(Job() + Dispatchers.IO)
     private val imageExtensionArray = arrayOf(".gif", ".png", ".jpg", ".jpeg", ".bmp", ".webp")
 
     fun fetchUrlPreview(timeOut: Int = 30000) {
@@ -23,8 +23,7 @@ class BahaUrlPreview(val url: String, var callback: IUrlPreviewCallback?) {
             urlInfoItem = UrlInfoItem(url = url, image = url)
         } else {
             val document = getDocument(url, timeOut)
-            urlInfoItem = parseHtml(document)
-            urlInfoItem.url = url
+            urlInfoItem = parseHtml(url, document)
         }
         callback?.onComplete(urlInfoItem)
     }

app/src/main/java/com/vitorpamplona/amethyst/service/previews/UrlInfoItem.kt

@@ -1,11 +1,23 @@
 package com.vitorpamplona.amethyst.service.previews
 
+import androidx.compose.runtime.Immutable
+import java.net.URL
+
+@Immutable
 data class UrlInfoItem(
-    var url: String = "",
-    var title: String = "",
-    var description: String = "",
-    var image: String = ""
+    val url: String = "",
+    val title: String = "",
+    val description: String = "",
+    val image: String = ""
 ) {
+    val verifiedUrl = kotlin.runCatching { URL(url) }.getOrNull()
+    val imageUrlFullPath =
+        if (image.startsWith("/")) {
+            URL(verifiedUrl, image).toString()
+        } else {
+            image
+        }
+
     fun allFetchComplete(): Boolean {
         return title.isNotEmpty() && description.isNotEmpty() && image.isNotEmpty()
     }

app/src/main/java/com/vitorpamplona/amethyst/service/previews/UrlPreviewUtils.kt

@@ -67,50 +67,47 @@ suspend fun getDocument(url: String, timeOut: Int = 30000): Document =
             .get()
     }
 
-suspend fun parseHtml(document: Document): UrlInfoItem =
+suspend fun parseHtml(url: String, document: Document): UrlInfoItem =
     withContext(Dispatchers.IO) {
         val metaTags = document.getElementsByTag(ELEMENT_TAG_META)
-        val urlInfo = UrlInfoItem()
+
+        var title: String = ""
+        var description: String = ""
+        var image: String = ""
+
         metaTags.forEach {
             val propertyTag = it.attr(ATTRIBUTE_VALUE_PROPERTY)
             when (propertyTag) {
-                in META_OG_TITLE -> if (urlInfo.title.isEmpty()) urlInfo.title = it.attr(CONTENT)
-                in META_OG_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
-                    urlInfo.description =
-                        it.attr(CONTENT)
+                in META_OG_TITLE -> if (title.isEmpty()) title = it.attr(CONTENT)
+                in META_OG_DESCRIPTION -> if (description.isEmpty()) {
+                    description = it.attr(CONTENT)
                 }
-                in META_OG_IMAGE -> if (urlInfo.image.isEmpty()) urlInfo.image = it.attr(CONTENT)
+                in META_OG_IMAGE -> if (image.isEmpty()) image = it.attr(CONTENT)
             }
 
             when (it.attr(ATTRIBUTE_VALUE_NAME)) {
-                in META_NAME_TITLE -> if (urlInfo.title.isEmpty()) urlInfo.title = it.attr(CONTENT)
-                in META_NAME_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
-                    urlInfo.description =
-                        it.attr(CONTENT)
+                in META_NAME_TITLE -> if (title.isEmpty()) title = it.attr(CONTENT)
+                in META_NAME_DESCRIPTION -> if (description.isEmpty()) {
+                    description = it.attr(CONTENT)
                 }
-                in META_OG_IMAGE -> if (urlInfo.image.isEmpty()) urlInfo.image = it.attr(CONTENT)
+                in META_OG_IMAGE -> if (image.isEmpty()) image = it.attr(CONTENT)
             }
 
             when (it.attr(ATTRIBUTE_VALUE_ITEMPROP)) {
-                in META_ITEMPROP_TITLE -> if (urlInfo.title.isEmpty()) {
-                    urlInfo.title =
-                        it.attr(CONTENT)
+                in META_ITEMPROP_TITLE -> if (title.isEmpty()) {
+                    title = it.attr(CONTENT)
                 }
-                in META_ITEMPROP_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
-                    urlInfo.description =
-                        it.attr(
-                            CONTENT
-                        )
+                in META_ITEMPROP_DESCRIPTION -> if (description.isEmpty()) {
+                    description = it.attr(CONTENT)
                 }
-                in META_ITEMPROP_IMAGE -> if (urlInfo.image.isEmpty()) {
-                    urlInfo.image = it.attr(
-                        CONTENT
-                    )
+                in META_ITEMPROP_IMAGE -> if (image.isEmpty()) {
+                    image = it.attr(CONTENT)
                 }
             }
-            if (urlInfo.allFetchComplete()) {
-                return@withContext urlInfo
+
+            if (title.isNotEmpty() && description.isNotEmpty() && image.isNotEmpty()) {
+                return@withContext UrlInfoItem(url, title, description, image)
             }
         }
-        return@withContext urlInfo
+        return@withContext UrlInfoItem(url, title, description, image)
     }

app/src/main/java/com/vitorpamplona/amethyst/service/relays/Client.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.relays
 
 import com.vitorpamplona.amethyst.service.HttpClient
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.EventInterface
 import kotlinx.coroutines.DelicateCoroutinesApi
@@ -32,6 +33,8 @@ object Client : RelayPool.Listener {
 
     @Synchronized
     fun connect(relays: Array<Relay>) {
+        checkNotInMainThread()
+
         RelayPool.register(this)
         RelayPool.unloadRelays()
         RelayPool.loadRelays(relays.toList())
@@ -54,6 +57,8 @@ object Client : RelayPool.Listener {
         subscriptionId: String = UUID.randomUUID().toString().substring(0..10),
         filters: List<TypedFilter> = listOf()
     ) {
+        checkNotInMainThread()
+
         subscriptions = subscriptions + Pair(subscriptionId, filters)
         RelayPool.sendFilter(subscriptionId)
     }
@@ -62,11 +67,15 @@ object Client : RelayPool.Listener {
         subscriptionId: String = UUID.randomUUID().toString().substring(0..10),
         filters: List<TypedFilter> = listOf()
     ) {
+        checkNotInMainThread()
+
         subscriptions = subscriptions + Pair(subscriptionId, filters)
         RelayPool.sendFilterOnlyIfDisconnected()
     }
 
     fun send(signedEvent: EventInterface, relay: String? = null, feedTypes: Set<FeedType>? = null, onDone: (() -> Unit)? = null) {
+        checkNotInMainThread()
+
         if (relay == null) {
             RelayPool.send(signedEvent)
         } else {
@@ -91,7 +100,7 @@ object Client : RelayPool.Listener {
     }
 
     @OptIn(DelicateCoroutinesApi::class)
-    fun newSporadicRelay(url: String, feedTypes: Set<FeedType>?, onConnected: (Relay) -> Unit, onDone: (() -> Unit)?) {
+    private fun newSporadicRelay(url: String, feedTypes: Set<FeedType>?, onConnected: (Relay) -> Unit, onDone: (() -> Unit)?) {
         val relay = Relay(url, true, true, feedTypes ?: emptySet(), HttpClient.getProxy())
         RelayPool.addRelay(relay)
 

app/src/main/java/com/vitorpamplona/amethyst/service/relays/Relay.kt

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.service.relays
 import android.util.Log
 import com.google.gson.JsonElement
 import com.vitorpamplona.amethyst.BuildConfig
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.EventInterface
 import com.vitorpamplona.amethyst.service.model.RelayAuthEvent
@@ -69,6 +70,7 @@ class Relay(
 
     @Synchronized
     fun requestAndWatch() {
+        checkNotInMainThread()
         requestAndWatch {
             // Sends everything.
             Client.allSubscriptions().forEach {
@@ -79,6 +81,7 @@ class Relay(
 
     @Synchronized
     fun requestAndWatch(onConnected: (Relay) -> Unit) {
+        checkNotInMainThread()
         if (socket != null) return
 
         try {

app/src/main/java/com/vitorpamplona/amethyst/ui/MainActivity.kt

@@ -2,7 +2,6 @@ package com.vitorpamplona.amethyst.ui
 
 import android.content.Context
 import android.content.Intent
-import android.os.Build.VERSION.SDK_INT
 import android.os.Bundle
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
@@ -12,15 +11,8 @@ import androidx.compose.material.Surface
 import androidx.compose.ui.Modifier
 import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.viewmodel.compose.viewModel
-import coil.Coil
-import coil.ImageLoader
-import coil.decode.GifDecoder
-import coil.decode.ImageDecoderDecoder
-import coil.decode.SvgDecoder
 import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.ServiceManager
-import com.vitorpamplona.amethyst.VideoCache
-import com.vitorpamplona.amethyst.service.HttpClient
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
@@ -28,7 +20,7 @@ import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.notifications.PushNotificationUtils
 import com.vitorpamplona.amethyst.service.relays.Client
-import com.vitorpamplona.amethyst.ui.components.muted
+import com.vitorpamplona.amethyst.ui.components.DefaultMutedSetting
 import com.vitorpamplona.amethyst.ui.navigation.Route
 import com.vitorpamplona.amethyst.ui.note.Nip47
 import com.vitorpamplona.amethyst.ui.screen.AccountScreen
@@ -49,23 +41,6 @@ class MainActivity : FragmentActivity() {
 
         val startingPage = uriToRoute(uri)
 
-        // Initializes video cache.
-        VideoCache.init(this.applicationContext)
-
-        Coil.setImageLoader {
-            ImageLoader.Builder(this).components {
-                if (SDK_INT >= 28) {
-                    add(ImageDecoderDecoder.Factory())
-                } else {
-                    add(GifDecoder.Factory())
-                }
-                add(SvgDecoder.Factory())
-            } // .logger(DebugLogger())
-                .okHttpClient { HttpClient.getHttpClient() }
-                .respectCacheHeaders(false)
-                .build()
-        }
-
         LocalPreferences.migrateSingleUserPrefs()
 
         setContent {
@@ -73,7 +48,7 @@ class MainActivity : FragmentActivity() {
                 // A surface container using the 'background' color from the theme
                 Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colors.background) {
                     val accountStateViewModel: AccountStateViewModel = viewModel {
-                        AccountStateViewModel()
+                        AccountStateViewModel(this@MainActivity)
                     }
 
                     AccountScreen(accountStateViewModel, startingPage)
@@ -88,11 +63,11 @@ class MainActivity : FragmentActivity() {
     override fun onResume() {
         super.onResume()
         // starts muted every time
-        muted.value = true
+        DefaultMutedSetting.value = true
 
         // Only starts after login
         GlobalScope.launch(Dispatchers.IO) {
-            ServiceManager.start()
+            ServiceManager.start(this@MainActivity)
         }
 
         PushNotificationUtils().init(LocalPreferences.allSavedAccounts())
@@ -111,7 +86,9 @@ class MainActivity : FragmentActivity() {
     override fun onTrimMemory(level: Int) {
         super.onTrimMemory(level)
         println("Trim Memory $level")
-        ServiceManager.cleanUp()
+        GlobalScope.launch(Dispatchers.Default) {
+            ServiceManager.cleanUp()
+        }
     }
 }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/JoinUserOrChannelView.kt

@@ -52,13 +52,13 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
 import com.vitorpamplona.amethyst.ui.note.ChannelName
 import com.vitorpamplona.amethyst.ui.note.UserPicture
 import com.vitorpamplona.amethyst.ui.note.UsernameDisplay
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.SearchBarViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.channels.Channel
@@ -72,9 +72,9 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
 @Composable
-fun JoinUserOrChannelView(onClose: () -> Unit, account: Account, nav: (String) -> Unit) {
+fun JoinUserOrChannelView(onClose: () -> Unit, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     val searchBarViewModel: SearchBarViewModel = viewModel()
-    searchBarViewModel.account = account
+    searchBarViewModel.account = accountViewModel.account
 
     Dialog(
         onDismissRequest = {
@@ -115,7 +115,7 @@ fun JoinUserOrChannelView(onClose: () -> Unit, account: Account, nav: (String) -
 
                 Spacer(modifier = Modifier.height(15.dp))
 
-                RenderSeach(searchBarViewModel, account, nav)
+                RenderSeach(searchBarViewModel, accountViewModel, nav)
             }
         }
     }
@@ -125,7 +125,7 @@ fun JoinUserOrChannelView(onClose: () -> Unit, account: Account, nav: (String) -
 @Composable
 private fun RenderSeach(
     searchBarViewModel: SearchBarViewModel,
-    account: Account,
+    accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
     val scope = rememberCoroutineScope()
@@ -145,7 +145,7 @@ private fun RenderSeach(
     }
 
     LaunchedEffect(Unit) {
-        scope.launch(Dispatchers.IO) {
+        launch(Dispatchers.IO) {
             LocalCache.live.newEventBundles.collect {
                 if (searchBarViewModel.isSearching()) {
                     searchBarViewModel.invalidateData()
@@ -268,12 +268,12 @@ private fun RenderSeach(
                 state = listState
             ) {
                 itemsIndexed(
-                    searchBarViewModel.searchResults.value,
+                    searchBarViewModel.searchResultsUsers.value,
                     key = { _, item -> "u" + item.pubkeyHex }
                 ) { _, item ->
                     UserComposeForChat(
                         item,
-                        account = account,
+                        accountViewModel = accountViewModel,
                         nav = nav
                     )
                 }
@@ -305,7 +305,7 @@ private fun RenderSeach(
 @Composable
 fun UserComposeForChat(
     baseUser: User,
-    account: Account,
+    accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
     Column(
@@ -323,7 +323,7 @@ fun UserComposeForChat(
                 ),
             verticalAlignment = Alignment.CenterVertically
         ) {
-            UserPicture(baseUser, nav, account.userProfile(), 55.dp)
+            UserPicture(baseUser, nav, accountViewModel, 55.dp)
 
             Column(modifier = Modifier.padding(start = 10.dp).weight(1f)) {
                 Row(verticalAlignment = Alignment.CenterVertically) {

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewChannelView.kt

@@ -14,6 +14,7 @@ import androidx.compose.material.OutlinedTextField
 import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -24,13 +25,15 @@ import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Channel
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 @Composable
-fun NewChannelView(onClose: () -> Unit, account: Account, channel: Channel? = null) {
+fun NewChannelView(onClose: () -> Unit, accountViewModel: AccountViewModel, channel: Channel? = null) {
     val postViewModel: NewChannelViewModel = viewModel()
-    postViewModel.load(account, channel)
+    postViewModel.load(accountViewModel.account, channel)
 
     Dialog(
         onDismissRequest = { onClose() },
@@ -53,10 +56,14 @@ fun NewChannelView(onClose: () -> Unit, account: Account, channel: Channel? = nu
                         onClose()
                     })
 
+                    val scope = rememberCoroutineScope()
+
                     PostButton(
                         onPost = {
-                            postViewModel.create()
-                            onClose()
+                            scope.launch(Dispatchers.IO) {
+                                postViewModel.create()
+                                onClose()
+                            }
                         },
                         postViewModel.channelName.value.text.isNotBlank()
                     )
@@ -100,7 +107,9 @@ fun NewChannelView(onClose: () -> Unit, account: Account, channel: Channel? = nu
 
                 OutlinedTextField(
                     label = { Text(text = stringResource(R.string.description)) },
-                    modifier = Modifier.fillMaxWidth().height(100.dp),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .height(100.dp),
                     value = postViewModel.channelDescription.value,
                     onValueChange = { postViewModel.channelDescription.value = it },
                     placeholder = {

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaView.kt

@@ -16,7 +16,6 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -117,8 +116,6 @@ fun isNIP94Server(selectedServer: ServersAvailable?): Boolean {
 
 @Composable
 fun ImageVideoPost(postViewModel: NewMediaModel, acc: Account) {
-    val scope = rememberCoroutineScope()
-
     val fileServers = listOf(
         // Triple(ServersAvailable.IMGUR_NIP_94, stringResource(id = R.string.upload_server_imgur_nip94), stringResource(id = R.string.upload_server_imgur_nip94_explainer)),
         Triple(ServersAvailable.NOSTRIMG_NIP_94, stringResource(id = R.string.upload_server_nostrimg_nip94), stringResource(id = R.string.upload_server_nostrimg_nip94_explainer)),
@@ -152,7 +149,7 @@ fun ImageVideoPost(postViewModel: NewMediaModel, acc: Account) {
             var bitmap by remember { mutableStateOf<Bitmap?>(null) }
 
             LaunchedEffect(key1 = postViewModel.galleryUri) {
-                scope.launch(Dispatchers.IO) {
+                launch(Dispatchers.IO) {
                     postViewModel.galleryUri?.let {
                         try {
                             bitmap = resolver.loadThumbnail(it, Size(1200, 1000), null)

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMessageTagger.kt

@@ -1,13 +1,12 @@
 package com.vitorpamplona.amethyst.ui.actions
 
-import com.vitorpamplona.amethyst.model.Channel
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.model.parseDirtyWordForKey
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 
-class NewMessageTagger(var channel: Channel?, var mentions: List<User>?, var replyTos: List<Note>?, var message: String) {
+class NewMessageTagger(var channelHex: String?, var mentions: List<User>?, var replyTos: List<Note>?, var message: String) {
 
     fun addUserToMentions(user: User) {
         mentions = if (mentions?.contains(user) == true) mentions else mentions?.plus(user) ?: listOf(user)
@@ -20,12 +19,12 @@ class NewMessageTagger(var channel: Channel?, var mentions: List<User>?, var rep
 
     fun tagIndex(user: User): Int {
         // Postr Events assembles replies before mentions in the tag order
-        return (if (channel != null) 1 else 0) + (replyTos?.size ?: 0) + (mentions?.indexOf(user) ?: 0)
+        return (if (channelHex != null) 1 else 0) + (replyTos?.size ?: 0) + (mentions?.indexOf(user) ?: 0)
     }
 
     fun tagIndex(note: Note): Int {
         // Postr Events assembles replies before mentions in the tag order
-        return (if (channel != null) 1 else 0) + (replyTos?.indexOf(note) ?: 0)
+        return (if (channelHex != null) 1 else 0) + (replyTos?.indexOf(note) ?: 0)
     }
 
     fun run() {

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPollView.kt

@@ -1,197 +0,0 @@
-package com.vitorpamplona.amethyst.ui.actions
-
-import android.widget.Toast
-import androidx.compose.foundation.BorderStroke
-import androidx.compose.foundation.Image
-import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.itemsIndexed
-import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.material.*
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.window.Dialog
-import androidx.compose.ui.window.DialogProperties
-import androidx.lifecycle.viewmodel.compose.viewModel
-import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.model.Account
-import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
-import com.vitorpamplona.amethyst.ui.components.*
-import com.vitorpamplona.amethyst.ui.note.ReplyInformation
-import com.vitorpamplona.amethyst.ui.screen.loggedIn.UserLine
-import kotlinx.coroutines.delay
-
-@Composable
-fun NewPollView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, account: Account) {
-    val pollViewModel: NewPostViewModel = viewModel()
-
-    val context = LocalContext.current
-
-    val scrollState = rememberScrollState()
-
-    LaunchedEffect(Unit) {
-        pollViewModel.load(account, baseReplyTo, quote)
-        delay(100)
-
-        pollViewModel.imageUploadingError.collect { error ->
-            Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
-        }
-    }
-
-    Dialog(
-        onDismissRequest = { onClose() },
-        properties = DialogProperties(
-            usePlatformDefaultWidth = false,
-            dismissOnClickOutside = false,
-            decorFitsSystemWindows = false
-        )
-    ) {
-        Surface(
-            modifier = Modifier
-                .fillMaxWidth()
-                .fillMaxHeight()
-        ) {
-            Column(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .fillMaxHeight()
-            ) {
-                Column(
-                    modifier = Modifier
-                        .padding(start = 10.dp, end = 10.dp, top = 10.dp)
-                        .imePadding()
-                        .weight(1f)
-                ) {
-                    Row(
-                        modifier = Modifier.fillMaxWidth(),
-                        horizontalArrangement = Arrangement.SpaceBetween,
-                        verticalAlignment = Alignment.CenterVertically
-                    ) {
-                        CloseButton(onCancel = {
-                            pollViewModel.cancel()
-                            onClose()
-                        })
-
-                        PollButton(
-                            onPost = {
-                                pollViewModel.sendPost()
-                                onClose()
-                            },
-                            isActive = pollViewModel.message.text.isNotBlank() &&
-                                pollViewModel.pollOptions.values.all { it.isNotEmpty() } &&
-                                pollViewModel.isValidRecipients.value &&
-                                pollViewModel.isValidvalueMaximum.value &&
-                                pollViewModel.isValidvalueMinimum.value &&
-                                pollViewModel.isValidConsensusThreshold.value &&
-                                pollViewModel.isValidClosedAt.value
-                        )
-                    }
-
-                    Row(
-                        modifier = Modifier
-                            .fillMaxWidth()
-                            .weight(1f)
-                    ) {
-                        Column(
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .verticalScroll(scrollState)
-                        ) {
-                            if (pollViewModel.replyTos != null && baseReplyTo?.event is TextNoteEvent) {
-                                ReplyInformation(pollViewModel.replyTos, pollViewModel.mentions, account, "✖ ") {
-                                    pollViewModel.removeFromReplyList(it)
-                                }
-                            }
-
-                            Text(stringResource(R.string.poll_heading_required))
-                            // NewPollRecipientsField(pollViewModel, account)
-                            NewPollPrimaryDescription(pollViewModel)
-                            pollViewModel.pollOptions.values.forEachIndexed { index, _ ->
-                                NewPollOption(pollViewModel, index)
-                            }
-                            Button(
-                                onClick = { pollViewModel.pollOptions[pollViewModel.pollOptions.size] = "" },
-                                border = BorderStroke(1.dp, MaterialTheme.colors.onSurface.copy(alpha = 0.32f)),
-                                colors = ButtonDefaults.outlinedButtonColors(
-                                    contentColor = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
-                                )
-                            ) {
-                                Image(
-                                    painterResource(id = android.R.drawable.ic_input_add),
-                                    contentDescription = "Add poll option button",
-                                    modifier = Modifier.size(18.dp)
-                                )
-                            }
-                            Text(stringResource(R.string.poll_heading_optional))
-                            NewPollVoteValueRange(pollViewModel)
-                            NewPollConsensusThreshold(pollViewModel)
-                            NewPollClosing(pollViewModel)
-                        }
-                    }
-
-                    val userSuggestions = pollViewModel.userSuggestions
-                    if (userSuggestions.isNotEmpty()) {
-                        LazyColumn(
-                            contentPadding = PaddingValues(
-                                top = 10.dp
-                            ),
-                            modifier = Modifier.heightIn(0.dp, 300.dp)
-                        ) {
-                            itemsIndexed(
-                                userSuggestions,
-                                key = { _, item -> item.pubkeyHex }
-                            ) { _, item ->
-                                UserLine(item, account) {
-                                    pollViewModel.autocompleteWithUser(item)
-                                }
-                            }
-                        }
-                    }
-
-                    Row(modifier = Modifier.fillMaxWidth()) {
-                        /*UploadFromGallery(
-                            isUploading = pollViewModel.isUploadingImage
-                        ) {
-                            pollViewModel.upload(it, context)
-                        }*/
-                    }
-                }
-            }
-        }
-    }
-}
-
-@Composable
-fun PollButton(modifier: Modifier = Modifier, onPost: () -> Unit = {}, isActive: Boolean) {
-    Button(
-        modifier = modifier,
-        onClick = {
-            if (isActive) {
-                onPost()
-            }
-        },
-        shape = RoundedCornerShape(20.dp),
-        colors = ButtonDefaults
-            .buttonColors(
-                backgroundColor = if (isActive) MaterialTheme.colors.primary else Color.Gray
-            )
-    ) {
-        Text(text = stringResource(R.string.post_poll), color = Color.White)
-    }
-}
-
-/*@Preview
-@Composable
-fun NewPollViewPreview() {
-    NewPollView(onClose = {}, account = Account(loggedIn = Persona()))
-}*/

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt

@@ -24,7 +24,6 @@ import androidx.compose.material.icons.filled.Cancel
 import androidx.compose.material.icons.filled.CurrencyBitcoin
 import androidx.compose.material.icons.filled.Visibility
 import androidx.compose.material.icons.filled.VisibilityOff
-import androidx.compose.material.icons.filled.Warning
 import androidx.compose.material.icons.outlined.ArrowForwardIos
 import androidx.compose.material.icons.outlined.Bolt
 import androidx.compose.material.icons.rounded.Warning
@@ -63,7 +62,6 @@ import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.viewmodel.compose.viewModel
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
@@ -72,13 +70,17 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.UserLine
 import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalComposeUiApi::class)
 @Composable
-fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, account: Account, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
+fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
+    val accountState by accountViewModel.accountLiveData.observeAsState()
+    val account = remember(accountState) { accountState?.account } ?: return
+
     val postViewModel: NewPostViewModel = viewModel()
 
     val context = LocalContext.current
@@ -142,8 +144,10 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
 
                         PostButton(
                             onPost = {
-                                postViewModel.sendPost()
-                                onClose()
+                                scope.launch(Dispatchers.IO) {
+                                    postViewModel.sendPost()
+                                    onClose()
+                                }
                             },
                             isActive = postViewModel.canPost()
                         )
@@ -289,7 +293,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                         } else {
                                             UrlPreview(myUrlPreview, myUrlPreview)
                                         }
-                                    } else if (isBechLink(myUrlPreview)) {
+                                    } else if (startsWithNIP19Scheme(myUrlPreview)) {
                                         BechLink(
                                             myUrlPreview,
                                             true,
@@ -317,7 +321,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                 userSuggestions,
                                 key = { _, item -> item.pubkeyHex }
                             ) { _, item ->
-                                UserLine(item, account) {
+                                UserLine(item, accountViewModel) {
                                     postViewModel.autocompleteWithUser(item)
                                 }
                             }
@@ -382,11 +386,13 @@ fun Notifying(baseMentions: List<User>?, onClick: (User) -> Unit) {
 
             mentions.forEachIndexed { idx, user ->
                 val innerUserState by user.live().metadata.observeAsState()
-                val innerUser = innerUserState?.user
-
-                innerUser?.let { myUser ->
+                innerUserState?.user?.let { myUser ->
                     Spacer(modifier = Modifier.width(5.dp))
 
+                    val tags = remember(innerUserState) {
+                        myUser.info?.latestMetadata?.tags?.toImmutableList()
+                    }
+
                     Button(
                         shape = RoundedCornerShape(20.dp),
                         colors = ButtonDefaults.buttonColors(
@@ -397,8 +403,8 @@ fun Notifying(baseMentions: List<User>?, onClick: (User) -> Unit) {
                         }
                     ) {
                         CreateTextWithEmoji(
-                            text = "✖ ${myUser.toBestDisplayName()}",
-                            tags = myUser.info?.latestMetadata?.tags,
+                            text = remember(innerUserState) { "✖ ${myUser.toBestDisplayName()}" },
+                            tags = tags,
                             color = Color.White,
                             textAlign = TextAlign.Center
                         )
@@ -725,7 +731,6 @@ fun ImageVideoDescription(
 ) {
     val resolver = LocalContext.current.contentResolver
     val mediaType = resolver.getType(uri) ?: ""
-    val scope = rememberCoroutineScope()
 
     val isImage = mediaType.startsWith("image")
     val isVideo = mediaType.startsWith("video")
@@ -828,7 +833,7 @@ fun ImageVideoDescription(
                     var bitmap by remember { mutableStateOf<Bitmap?>(null) }
 
                     LaunchedEffect(key1 = uri) {
-                        scope.launch(Dispatchers.IO) {
+                        launch(Dispatchers.IO) {
                             try {
                                 bitmap = resolver.loadThumbnail(uri, Size(1200, 1000), null)
                             } catch (e: Exception) {

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostViewModel.kt

@@ -15,6 +15,7 @@ import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.*
 import com.vitorpamplona.amethyst.service.FileHeader
 import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
+import com.vitorpamplona.amethyst.service.model.BaseTextNoteEvent
 import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.ui.components.isValidURL
@@ -23,7 +24,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch
 
-open class NewPostViewModel : ViewModel() {
+open class NewPostViewModel() : ViewModel() {
     var account: Account? = null
     var originalNote: Note? = null
 
@@ -73,7 +74,12 @@ open class NewPostViewModel : ViewModel() {
     open fun load(account: Account, replyingTo: Note?, quote: Note?) {
         originalNote = replyingTo
         replyingTo?.let { replyNote ->
-            this.replyTos = (replyNote.replyTo ?: emptyList()).plus(replyNote)
+            if (replyNote.event is BaseTextNoteEvent) {
+                this.replyTos = (replyNote.replyTo ?: emptyList()).plus(replyNote)
+            } else {
+                this.replyTos = listOf(replyNote)
+            }
+
             replyNote.author?.let { replyUser ->
                 val currentMentions = (replyNote.event as? TextNoteEvent)
                     ?.mentions()
@@ -96,7 +102,7 @@ open class NewPostViewModel : ViewModel() {
         }
 
         canAddInvoice = account.userProfile().info?.lnAddress() != null
-        canUsePoll = originalNote?.event !is PrivateDmEvent && originalNote?.channel() == null
+        canUsePoll = originalNote?.event !is PrivateDmEvent && originalNote?.channelHex() == null
         contentToAddUrl = null
 
         wantsForwardZapTo = false
@@ -108,7 +114,7 @@ open class NewPostViewModel : ViewModel() {
     }
 
     fun sendPost() {
-        val tagger = NewMessageTagger(originalNote?.channel(), mentions, replyTos, message.text)
+        val tagger = NewMessageTagger(originalNote?.channelHex(), mentions, replyTos, message.text)
         tagger.run()
 
         val zapReceiver = if (wantsForwardZapTo) {
@@ -123,10 +129,10 @@ open class NewPostViewModel : ViewModel() {
 
         if (wantsPoll) {
             account?.sendPoll(tagger.message, tagger.replyTos, tagger.mentions, pollOptions, valueMaximum, valueMinimum, consensusThreshold, closedAt, zapReceiver, wantsToMarkAsSensitive)
-        } else if (originalNote?.channel() != null) {
-            account?.sendChannelMessage(tagger.message, tagger.channel!!.idHex, tagger.replyTos, tagger.mentions, zapReceiver, wantsToMarkAsSensitive)
+        } else if (originalNote?.channelHex() != null) {
+            account?.sendChannelMessage(tagger.message, tagger.channelHex!!, tagger.replyTos, tagger.mentions, zapReceiver, wantsToMarkAsSensitive)
         } else if (originalNote?.event is PrivateDmEvent) {
-            account?.sendPrivateMessage(tagger.message, originalNote!!.author!!.pubkeyHex, originalNote!!, tagger.mentions, zapReceiver, wantsToMarkAsSensitive)
+            account?.sendPrivateMessage(tagger.message, originalNote!!.author!!, originalNote!!, tagger.mentions, zapReceiver, wantsToMarkAsSensitive)
         } else {
             account?.sendPost(tagger.message, tagger.replyTos, tagger.mentions, null, zapReceiver, wantsToMarkAsSensitive)
         }
@@ -220,7 +226,11 @@ open class NewPostViewModel : ViewModel() {
             userSuggestionsMainMessage = true
             if (lastWord.startsWith("@") && lastWord.length > 2) {
                 NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
-                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@")).sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() })).reversed()
+                viewModelScope.launch(Dispatchers.IO) {
+                    userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
+                        .sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() }))
+                        .reversed()
+                }
             } else {
                 NostrSearchEventOrUserDataSource.clear()
                 userSuggestions = emptyList()
@@ -236,7 +246,15 @@ open class NewPostViewModel : ViewModel() {
             userSuggestionsMainMessage = false
             if (lastWord.startsWith("@") && lastWord.length > 2) {
                 NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
-                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@")).sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() })).reversed()
+                viewModelScope.launch(Dispatchers.IO) {
+                    userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
+                        .sortedWith(
+                            compareBy(
+                                { account?.isFollowing(it) },
+                                { it.toBestDisplayName() }
+                            )
+                        ).reversed()
+                }
             } else {
                 NostrSearchEventOrUserDataSource.clear()
                 userSuggestions = emptyList()

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewRelayListView.kt

@@ -49,18 +49,18 @@ import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.RelaySetupInfo
 import com.vitorpamplona.amethyst.service.relays.FeedType
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import java.lang.Math.round
 
 @Composable
-fun NewRelayListView(onClose: () -> Unit, account: Account, relayToAdd: String = "") {
+fun NewRelayListView(onClose: () -> Unit, accountViewModel: AccountViewModel, relayToAdd: String = "") {
     val postViewModel: NewRelayListViewModel = viewModel()
     val feedState by postViewModel.relays.collectAsState()
 
     LaunchedEffect(Unit) {
-        postViewModel.load(account)
+        postViewModel.load(accountViewModel.account)
     }
 
     Dialog(

app/src/main/java/com/vitorpamplona/amethyst/ui/buttons/ChannelFabColumn.kt

@@ -16,12 +16,12 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.ui.actions.JoinUserOrChannelView
 import com.vitorpamplona.amethyst.ui.actions.NewChannelView
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 @Composable
-fun ChannelFabColumn(account: Account, nav: (String) -> Unit) {
+fun ChannelFabColumn(accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     var isOpen by remember {
         mutableStateOf(false)
     }
@@ -35,11 +35,11 @@ fun ChannelFabColumn(account: Account, nav: (String) -> Unit) {
     }
 
     if (wantsToCreateChannel) {
-        NewChannelView({ wantsToCreateChannel = false }, account = account)
+        NewChannelView({ wantsToCreateChannel = false }, accountViewModel = accountViewModel)
     }
 
     if (wantsToJoinChannelOrUser) {
-        JoinUserOrChannelView({ wantsToJoinChannelOrUser = false }, account = account, nav = nav)
+        JoinUserOrChannelView({ wantsToJoinChannelOrUser = false }, accountViewModel = accountViewModel, nav = nav)
     }
 
     Column() {

app/src/main/java/com/vitorpamplona/amethyst/ui/buttons/NewChannelButton.kt

@@ -19,17 +19,17 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.ui.actions.NewChannelView
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 @Composable
-fun NewChannelButton(account: Account) {
+fun NewChannelButton(accountViewModel: AccountViewModel) {
     var wantsToPost by remember {
         mutableStateOf(false)
     }
 
     if (wantsToPost) {
-        NewChannelView({ wantsToPost = false }, account = account)
+        NewChannelView({ wantsToPost = false }, accountViewModel = accountViewModel)
     }
 
     OutlinedButton(

app/src/main/java/com/vitorpamplona/amethyst/ui/buttons/NewNoteButton.kt

@@ -17,18 +17,17 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.ui.actions.NewPostView
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 @Composable
-fun NewNoteButton(account: Account, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
+fun NewNoteButton(accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     var wantsToPost by remember {
         mutableStateOf(false)
     }
 
     if (wantsToPost) {
-        NewPostView({ wantsToPost = false }, account = account, accountViewModel = accountViewModel, nav = nav)
+        NewPostView({ wantsToPost = false }, accountViewModel = accountViewModel, nav = nav)
     }
 
     OutlinedButton(

app/src/main/java/com/vitorpamplona/amethyst/ui/components/AsyncImageProxy.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.ui.components
 
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.ColorFilter
@@ -14,6 +15,7 @@ import coil.compose.AsyncImage
 import coil.compose.AsyncImagePainter
 import java.util.Base64
 
+@Immutable
 data class ResizeImage(val url: String?, val size: Dp) {
     fun proxyUrl(): String? {
         if (url == null) return null

app/src/main/java/com/vitorpamplona/amethyst/ui/components/BundledUpdate.kt

@@ -16,13 +16,12 @@ import java.util.concurrent.atomic.AtomicBoolean
  */
 class BundledUpdate(
     val delay: Long,
-    val dispatcher: CoroutineDispatcher = Dispatchers.Default,
-    val onUpdate: () -> Unit
+    val dispatcher: CoroutineDispatcher = Dispatchers.Default
 ) {
     private var onlyOneInBlock = AtomicBoolean()
     private var invalidatesAgain = false
 
-    fun invalidate(ignoreIfDoing: Boolean = false) {
+    fun invalidate(ignoreIfDoing: Boolean = false, onUpdate: suspend () -> Unit) {
         if (onlyOneInBlock.getAndSet(true)) {
             if (!ignoreIfDoing) {
                 invalidatesAgain = true

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableRoute.kt

@@ -13,7 +13,9 @@ import androidx.compose.material.LocalTextStyle
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
@@ -45,8 +47,13 @@ import com.vitorpamplona.amethyst.service.NIP30Parser
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.nip19.Nip19
+import com.vitorpamplona.amethyst.ui.note.LoadChannel
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.ImmutableMap
+import kotlinx.collections.immutable.persistentListOf
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
+import kotlinx.coroutines.launch
 
 @Composable
 fun ClickableRoute(
@@ -63,7 +70,9 @@ fun ClickableRoute(
         DisplayEvent(nip19, nav)
     } else {
         Text(
-            "@${nip19.hex}${nip19.additionalChars} "
+            remember {
+                "@${nip19.hex}${nip19.additionalChars} "
+            }
         )
     }
 }
@@ -73,45 +82,58 @@ private fun DisplayEvent(
     nip19: Nip19.Return,
     nav: (String) -> Unit
 ) {
-    var noteBase by remember { mutableStateOf<Note?>(null) }
+    var noteBase by remember(nip19) { mutableStateOf<Note?>(null) }
 
     LaunchedEffect(key1 = nip19.hex) {
-        withContext(Dispatchers.IO) {
-            noteBase = LocalCache.checkGetOrCreateNote(nip19.hex)
+        if (noteBase == null) {
+            launch(Dispatchers.IO) {
+                noteBase = LocalCache.checkGetOrCreateNote(nip19.hex)
+            }
         }
     }
 
     noteBase?.let {
         val noteState by it.live().metadata.observeAsState()
         val note = remember(noteState) { noteState?.note } ?: return
-        val channel = remember(noteState) { note.channel() }
+        val channelHex = remember(noteState) { note.channelHex() }
+        val noteIdDisplayNote = remember(noteState) { "@${note.idDisplayNote()}" }
+        val addedCharts = remember { "${nip19.additionalChars} " }
 
         if (note.event is ChannelCreateEvent) {
             CreateClickableText(
-                clickablePart = "@${note.idDisplayNote()}",
-                suffix = "${nip19.additionalChars} ",
-                route = "Channel/${nip19.hex}",
+                clickablePart = noteIdDisplayNote,
+                suffix = addedCharts,
+                route = remember(noteState) { "Channel/${nip19.hex}" },
                 nav = nav
             )
         } else if (note.event is PrivateDmEvent) {
             CreateClickableText(
-                clickablePart = "@${note.idDisplayNote()}",
-                suffix = "${nip19.additionalChars} ",
-                route = "Room/${note.author?.pubkeyHex}",
-                nav = nav
-            )
-        } else if (channel != null) {
-            CreateClickableText(
-                clickablePart = channel.toBestDisplayName(),
-                suffix = "${nip19.additionalChars} ",
-                route = "Channel/${channel.idHex}",
+                clickablePart = noteIdDisplayNote,
+                suffix = addedCharts,
+                route = remember(noteState) { "Room/${note.author?.pubkeyHex}" },
                 nav = nav
             )
+        } else if (channelHex != null) {
+            LoadChannel(baseChannelHex = channelHex) { baseChannel ->
+                val channelState by baseChannel.live.observeAsState()
+                val channelDisplayName by remember(channelState) {
+                    derivedStateOf {
+                        channelState?.channel?.toBestDisplayName() ?: noteIdDisplayNote
+                    }
+                }
+
+                CreateClickableText(
+                    clickablePart = channelDisplayName,
+                    suffix = addedCharts,
+                    route = remember(noteState) { "Channel/${baseChannel.idHex}" },
+                    nav = nav
+                )
+            }
         } else {
             CreateClickableText(
-                clickablePart = "@${note.idDisplayNote()}",
-                suffix = "${nip19.additionalChars} ",
-                route = "Event/${nip19.hex}",
+                clickablePart = noteIdDisplayNote,
+                suffix = addedCharts,
+                route = remember(noteState) { "Event/${nip19.hex}" },
                 nav = nav
             )
         }
@@ -119,7 +141,9 @@ private fun DisplayEvent(
 
     if (noteBase == null) {
         Text(
-            "@${nip19.hex}${nip19.additionalChars} "
+            remember {
+                "@${nip19.hex}${nip19.additionalChars} "
+            }
         )
     }
 }
@@ -129,10 +153,10 @@ private fun DisplayNote(
     nip19: Nip19.Return,
     nav: (String) -> Unit
 ) {
-    var noteBase by remember { mutableStateOf<Note?>(null) }
+    var noteBase by remember(nip19) { mutableStateOf<Note?>(null) }
 
     LaunchedEffect(key1 = nip19.hex) {
-        withContext(Dispatchers.IO) {
+        launch(Dispatchers.IO) {
             noteBase = LocalCache.checkGetOrCreateNote(nip19.hex)
         }
     }
@@ -140,34 +164,45 @@ private fun DisplayNote(
     noteBase?.let {
         val noteState by it.live().metadata.observeAsState()
         val note = remember(noteState) { noteState?.note } ?: return
-        val channel = note.channel()
+        val channelHex = remember(noteState) { note.channelHex() }
+        val noteIdDisplayNote = remember(noteState) { "@${note.idDisplayNote()}" }
+        val addedCharts = remember { "${nip19.additionalChars} " }
 
         if (note.event is ChannelCreateEvent) {
             CreateClickableText(
-                clickablePart = "@${note.idDisplayNote()}",
-                suffix = "${nip19.additionalChars} ",
-                route = "Channel/${nip19.hex}",
+                clickablePart = noteIdDisplayNote,
+                suffix = addedCharts,
+                route = remember(noteState) { "Channel/${nip19.hex}" },
                 nav = nav
             )
         } else if (note.event is PrivateDmEvent) {
             CreateClickableText(
-                clickablePart = "@${note.idDisplayNote()}",
-                suffix = "${nip19.additionalChars} ",
-                route = "Room/${note.author?.pubkeyHex}",
-                nav = nav
-            )
-        } else if (channel != null) {
-            CreateClickableText(
-                clickablePart = channel.toBestDisplayName(),
-                suffix = "${nip19.additionalChars} ",
-                route = "Channel/${note.channel()?.idHex}",
+                clickablePart = noteIdDisplayNote,
+                suffix = addedCharts,
+                route = remember(noteState) { "Room/${note.author?.pubkeyHex}" },
                 nav = nav
             )
+        } else if (channelHex != null) {
+            LoadChannel(baseChannelHex = channelHex) { baseChannel ->
+                val channelState by baseChannel.live.observeAsState()
+                val channelDisplayName by remember(channelState) {
+                    derivedStateOf {
+                        channelState?.channel?.toBestDisplayName() ?: noteIdDisplayNote
+                    }
+                }
+
+                CreateClickableText(
+                    clickablePart = channelDisplayName,
+                    suffix = addedCharts,
+                    route = remember(noteState) { "Channel/${baseChannel.idHex}" },
+                    nav = nav
+                )
+            }
         } else {
             CreateClickableText(
-                clickablePart = "@${note.idDisplayNote()}",
-                suffix = "${nip19.additionalChars} ",
-                route = "Note/${nip19.hex}",
+                clickablePart = noteIdDisplayNote,
+                suffix = addedCharts,
+                route = remember(noteState) { "Note/${nip19.hex}" },
                 nav = nav
             )
         }
@@ -175,7 +210,9 @@ private fun DisplayNote(
 
     if (noteBase == null) {
         Text(
-            "@${nip19.hex}${nip19.additionalChars} "
+            remember {
+                "@${nip19.hex}${nip19.additionalChars} "
+            }
         )
     }
 }
@@ -185,29 +222,34 @@ private fun DisplayAddress(
     nip19: Nip19.Return,
     nav: (String) -> Unit
 ) {
-    var noteBase by remember { mutableStateOf<Note?>(null) }
+    var noteBase by remember(nip19) { mutableStateOf<Note?>(null) }
 
     LaunchedEffect(key1 = nip19.hex) {
-        withContext(Dispatchers.IO) {
+        launch(Dispatchers.IO) {
             noteBase = LocalCache.checkGetOrCreateAddressableNote(nip19.hex)
         }
     }
 
     noteBase?.let {
         val noteState by it.live().metadata.observeAsState()
-        val note = remember(noteState) { noteState?.note } ?: return
+
+        val route = remember(noteState) { "Note/${nip19.hex}" }
+        val displayName = remember(noteState) { "@${noteState?.note?.idDisplayNote()}" }
+        val addedCharts = remember { "${nip19.additionalChars} " }
 
         CreateClickableText(
-            clickablePart = "@${note.idDisplayNote()}",
-            suffix = "${nip19.additionalChars} ",
-            route = "Note/${nip19.hex}",
+            clickablePart = displayName,
+            suffix = addedCharts,
+            route = route,
             nav = nav
         )
     }
 
     if (noteBase == null) {
         Text(
-            "@${nip19.hex}${nip19.additionalChars} "
+            remember {
+                "@${nip19.hex}${nip19.additionalChars} "
+            }
         )
     }
 }
@@ -217,24 +259,27 @@ private fun DisplayUser(
     nip19: Nip19.Return,
     nav: (String) -> Unit
 ) {
-    var userBase by remember { mutableStateOf<User?>(null) }
+    var userBase by remember(nip19) { mutableStateOf<User?>(null) }
 
     LaunchedEffect(key1 = nip19.hex) {
-        withContext(Dispatchers.IO) {
+        launch(Dispatchers.IO) {
             userBase = LocalCache.checkGetOrCreateUser(nip19.hex)
         }
     }
 
     userBase?.let {
         val userState by it.live().metadata.observeAsState()
-        val route = remember { "User/${it.pubkeyHex}" }
+        val route = remember(userState) { "User/${it.pubkeyHex}" }
         val userDisplayName = remember(userState) { userState?.user?.toBestDisplayName() }
-        val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags }
+        val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
+        val addedCharts = remember {
+            "${nip19.additionalChars} "
+        }
 
         if (userDisplayName != null) {
             CreateClickableTextWithEmoji(
                 clickablePart = userDisplayName,
-                suffix = "${nip19.additionalChars} ",
+                suffix = addedCharts,
                 tags = userTags,
                 route = route,
                 nav = nav
@@ -244,7 +289,9 @@ private fun DisplayUser(
 
     if (userBase == null) {
         Text(
-            "@${nip19.hex}${nip19.additionalChars} "
+            remember {
+                "@${nip19.hex}${nip19.additionalChars} "
+            }
         )
     }
 }
@@ -278,7 +325,7 @@ fun CreateClickableText(
 @Composable
 fun CreateTextWithEmoji(
     text: String,
-    tags: List<List<String>>?,
+    tags: ImmutableList<List<String>>?,
     color: Color = Color.Unspecified,
     textAlign: TextAlign? = null,
     fontWeight: FontWeight? = null,
@@ -287,32 +334,29 @@ fun CreateTextWithEmoji(
     overflow: TextOverflow = TextOverflow.Clip,
     modifier: Modifier = Modifier
 ) {
-    val emojis = remember {
-        tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+    var emojiList by remember(text) { mutableStateOf<ImmutableList<Renderable>>(persistentListOf()) }
+
+    LaunchedEffect(key1 = text) {
+        launch(Dispatchers.Default) {
+            val emojis =
+                tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+
+            if (emojis.isNotEmpty()) {
+                val newEmojiList = assembleAnnotatedList(text, emojis)
+                if (newEmojiList.isNotEmpty()) {
+                    emojiList = newEmojiList.toImmutableList()
+                }
+            }
+        }
     }
 
-    CreateTextWithEmoji(text, emojis, color, textAlign, fontWeight, fontSize, maxLines, overflow, modifier)
-}
-
-@Composable
-fun CreateTextWithEmoji(
-    text: String,
-    emojis: Map<String, String>,
-    color: Color = Color.Unspecified,
-    textAlign: TextAlign? = null,
-    fontWeight: FontWeight? = null,
-    fontSize: TextUnit = TextUnit.Unspecified,
-    maxLines: Int = Int.MAX_VALUE,
-    overflow: TextOverflow = TextOverflow.Clip,
-    modifier: Modifier = Modifier
-) {
     val textColor = color.takeOrElse {
         LocalTextStyle.current.color.takeOrElse {
             LocalContentColor.current.copy(alpha = LocalContentAlpha.current)
         }
     }
 
-    if (emojis.isEmpty()) {
+    if (emojiList.isEmpty()) {
         Text(
             text = text,
             color = textColor,
@@ -324,10 +368,6 @@ fun CreateTextWithEmoji(
             modifier = modifier
         )
     } else {
-        val myList = remember {
-            assembleAnnotatedList(text, emojis)
-        }
-
         val style = LocalTextStyle.current.merge(
             TextStyle(
                 color = textColor,
@@ -337,33 +377,97 @@ fun CreateTextWithEmoji(
             )
         ).toSpanStyle()
 
-        InLineIconRenderer(myList, style, maxLines, overflow, modifier)
+        InLineIconRenderer(emojiList, style, maxLines, overflow, modifier)
+    }
+}
+
+@Composable
+fun CreateTextWithEmoji(
+    text: String,
+    emojis: ImmutableMap<String, String>,
+    color: Color = Color.Unspecified,
+    textAlign: TextAlign? = null,
+    fontWeight: FontWeight? = null,
+    fontSize: TextUnit = TextUnit.Unspecified,
+    maxLines: Int = Int.MAX_VALUE,
+    overflow: TextOverflow = TextOverflow.Clip,
+    modifier: Modifier = Modifier
+) {
+    var emojiList by remember(text) { mutableStateOf<ImmutableList<Renderable>>(persistentListOf()) }
+
+    LaunchedEffect(key1 = text) {
+        if (emojis.isNotEmpty()) {
+            launch(Dispatchers.Default) {
+                val newEmojiList = assembleAnnotatedList(text, emojis)
+                if (newEmojiList.isNotEmpty()) {
+                    emojiList = newEmojiList.toImmutableList()
+                }
+            }
+        }
+    }
+
+    val textColor = color.takeOrElse {
+        LocalTextStyle.current.color.takeOrElse {
+            LocalContentColor.current.copy(alpha = LocalContentAlpha.current)
+        }
+    }
+
+    if (emojiList.isEmpty()) {
+        Text(
+            text = text,
+            color = textColor,
+            textAlign = textAlign,
+            fontWeight = fontWeight,
+            fontSize = fontSize,
+            maxLines = maxLines,
+            overflow = overflow,
+            modifier = modifier
+        )
+    } else {
+        val style = LocalTextStyle.current.merge(
+            TextStyle(
+                color = textColor,
+                textAlign = textAlign,
+                fontWeight = fontWeight,
+                fontSize = fontSize
+            )
+        ).toSpanStyle()
+
+        InLineIconRenderer(emojiList, style, maxLines, overflow, modifier)
     }
 }
 
 @Composable
 fun CreateClickableTextWithEmoji(
     clickablePart: String,
-    tags: List<List<String>>?,
+    tags: ImmutableList<List<String>>?,
     style: TextStyle,
     onClick: (Int) -> Unit
 ) {
-    val emojis = remember(tags) {
-        tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+    var emojiList by remember(clickablePart) { mutableStateOf<ImmutableList<Renderable>>(persistentListOf()) }
+
+    LaunchedEffect(key1 = clickablePart) {
+        launch(Dispatchers.Default) {
+            val emojis =
+                tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+
+            if (emojis.isNotEmpty()) {
+                val newEmojiList = assembleAnnotatedList(clickablePart, emojis)
+                if (newEmojiList.isNotEmpty()) {
+                    emojiList = newEmojiList.toImmutableList()
+                }
+            }
+        }
     }
 
-    if (emojis.isEmpty()) {
+    if (emojiList.isEmpty()) {
         ClickableText(
             AnnotatedString(clickablePart),
             style = style,
             onClick = onClick
         )
     } else {
-        val myList = remember {
-            assembleAnnotatedList(clickablePart, emojis)
-        }
-
-        ClickableInLineIconRenderer(myList, style.toSpanStyle()) {
+        ClickableInLineIconRenderer(emojiList, style.toSpanStyle()) {
             onClick(it)
         }
     }
@@ -373,36 +477,44 @@ fun CreateClickableTextWithEmoji(
 fun CreateClickableTextWithEmoji(
     clickablePart: String,
     suffix: String,
-    tags: List<List<String>>?,
+    tags: ImmutableList<List<String>>?,
     overrideColor: Color? = null,
     fontWeight: FontWeight = FontWeight.Normal,
     route: String,
     nav: (String) -> Unit
 ) {
-    val emojis = remember(tags) {
-        tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+    var emojiLists by remember(clickablePart) {
+        mutableStateOf<Pair<ImmutableList<Renderable>, ImmutableList<Renderable>>?>(null)
     }
 
-    if (emojis.isEmpty()) {
+    LaunchedEffect(key1 = clickablePart) {
+        launch(Dispatchers.Default) {
+            val emojis =
+                tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+
+            if (emojis.isNotEmpty()) {
+                val newEmojiList1 = assembleAnnotatedList(clickablePart, emojis)
+                val newEmojiList2 = assembleAnnotatedList(suffix, emojis)
+
+                if (newEmojiList1.isNotEmpty() || newEmojiList2.isNotEmpty()) {
+                    emojiLists = Pair(newEmojiList1.toImmutableList(), newEmojiList2.toImmutableList())
+                }
+            }
+        }
+    }
+
+    if (emojiLists == null) {
         CreateClickableText(clickablePart, suffix, overrideColor, fontWeight, route, nav)
     } else {
-        val myList = remember {
-            assembleAnnotatedList(clickablePart, emojis)
-        }
-
-        ClickableInLineIconRenderer(myList, LocalTextStyle.current.copy(color = overrideColor ?: MaterialTheme.colors.primary, fontWeight = fontWeight).toSpanStyle()) {
+        ClickableInLineIconRenderer(emojiLists!!.first, LocalTextStyle.current.copy(color = overrideColor ?: MaterialTheme.colors.primary, fontWeight = fontWeight).toSpanStyle()) {
             nav(route)
         }
 
-        val myList2 = remember {
-            assembleAnnotatedList(suffix, emojis)
-        }
-
-        InLineIconRenderer(myList2, LocalTextStyle.current.copy(color = overrideColor ?: MaterialTheme.colors.onBackground, fontWeight = fontWeight).toSpanStyle())
+        InLineIconRenderer(emojiLists!!.second, LocalTextStyle.current.copy(color = overrideColor ?: MaterialTheme.colors.onBackground, fontWeight = fontWeight).toSpanStyle())
     }
 }
 
-fun assembleAnnotatedList(text: String, emojis: Map<String, String>): List<Renderable> {
+suspend fun assembleAnnotatedList(text: String, emojis: Map<String, String>): ImmutableList<Renderable> {
     return NIP30Parser().buildArray(text).map {
         val url = emojis[it]
         if (url != null) {
@@ -410,15 +522,20 @@ fun assembleAnnotatedList(text: String, emojis: Map<String, String>): List<Rende
         } else {
             TextType(it)
         }
-    }
+    }.toImmutableList()
 }
 
+@Immutable
 open class Renderable()
+
+@Immutable
 class TextType(val text: String) : Renderable()
+
+@Immutable
 class ImageUrlType(val url: String) : Renderable()
 
 @Composable
-fun ClickableInLineIconRenderer(wordsInOrder: List<Renderable>, style: SpanStyle, onClick: (Int) -> Unit) {
+fun ClickableInLineIconRenderer(wordsInOrder: ImmutableList<Renderable>, style: SpanStyle, onClick: (Int) -> Unit) {
     val inlineContent = wordsInOrder.mapIndexedNotNull { idx, value ->
         if (value is ImageUrlType) {
             Pair(
@@ -433,7 +550,9 @@ fun ClickableInLineIconRenderer(wordsInOrder: List<Renderable>, style: SpanStyle
                     AsyncImage(
                         model = value.url,
                         contentDescription = null,
-                        modifier = Modifier.fillMaxSize().padding(1.dp)
+                        modifier = Modifier
+                            .fillMaxSize()
+                            .padding(1.dp)
                     )
                 }
             )
@@ -477,7 +596,7 @@ fun ClickableInLineIconRenderer(wordsInOrder: List<Renderable>, style: SpanStyle
 
 @Composable
 fun InLineIconRenderer(
-    wordsInOrder: List<Renderable>,
+    wordsInOrder: ImmutableList<Renderable>,
     style: SpanStyle,
     maxLines: Int = Int.MAX_VALUE,
     overflow: TextOverflow = TextOverflow.Clip,
@@ -489,15 +608,17 @@ fun InLineIconRenderer(
                 "inlineContent$idx",
                 InlineTextContent(
                     Placeholder(
-                        width = 17.sp,
-                        height = 17.sp,
+                        width = 20.sp,
+                        height = 20.sp,
                         placeholderVerticalAlign = PlaceholderVerticalAlign.Center
                     )
                 ) {
                     AsyncImage(
                         model = value.url,
                         contentDescription = null,
-                        modifier = Modifier.fillMaxSize().padding(1.dp)
+                        modifier = Modifier
+                            .fillMaxSize()
+                            .padding(horizontal = 1.dp)
                     )
                 }
             )

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableUrl.kt

@@ -4,6 +4,7 @@ import androidx.compose.foundation.text.ClickableText
 import androidx.compose.material.LocalTextStyle
 import androidx.compose.material.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalUriHandler
 import androidx.compose.ui.text.AnnotatedString
 
@@ -11,10 +12,16 @@ import androidx.compose.ui.text.AnnotatedString
 fun ClickableUrl(urlText: String, url: String) {
     val uri = LocalUriHandler.current
 
-    val doubleCheckedUrl = if (url.contains("://")) url else "https://$url"
+    val doubleCheckedUrl = remember(url) {
+        if (url.contains("://")) url else "https://$url"
+    }
+
+    val text = remember(urlText) {
+        AnnotatedString(urlText)
+    }
 
     ClickableText(
-        text = AnnotatedString(urlText),
+        text = text,
         onClick = { runCatching { uri.openUri(doubleCheckedUrl) } },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
     )

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableUserTag.kt

@@ -6,6 +6,7 @@ import androidx.compose.material.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.remember
 import androidx.compose.ui.text.AnnotatedString
 import com.vitorpamplona.amethyst.model.User
 
@@ -14,10 +15,19 @@ fun ClickableUserTag(
     user: User,
     nav: (String) -> Unit
 ) {
+    val route = remember {
+        "User/${user.pubkeyHex}"
+    }
+
     val innerUserState by user.live().metadata.observeAsState()
+
+    val userName = remember(innerUserState) {
+        AnnotatedString("@${innerUserState?.user?.toBestDisplayName()}")
+    }
+
     ClickableText(
-        text = AnnotatedString("@${innerUserState?.user?.toBestDisplayName()}"),
-        onClick = { nav("User/${innerUserState?.user?.pubkeyHex}") },
+        text = userName,
+        onClick = { nav(route) },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
     )
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableWithdrawal.kt

@@ -13,14 +13,14 @@ import androidx.compose.ui.text.style.TextDirection
 import androidx.core.content.ContextCompat
 import com.vitorpamplona.amethyst.service.lnurl.LnWithdrawalUtil
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
+import kotlinx.coroutines.launch
 
 @Composable
 fun MayBeWithdrawal(lnurlWord: String) {
     var lnWithdrawal by remember { mutableStateOf<String?>(null) }
 
     LaunchedEffect(key1 = lnurlWord) {
-        withContext(Dispatchers.IO) {
+        launch(Dispatchers.IO) {
             lnWithdrawal = LnWithdrawalUtil.findWithdrawal(lnurlWord)
         }
     }
@@ -38,11 +38,19 @@ fun MayBeWithdrawal(lnurlWord: String) {
 fun ClickableWithdrawal(withdrawalString: String) {
     val context = LocalContext.current
 
+    val uri = remember(withdrawalString) {
+        Uri.parse("lightning:$withdrawalString")
+    }
+
+    val withdraw = remember(withdrawalString) {
+        AnnotatedString("$withdrawalString ")
+    }
+
     ClickableText(
-        text = AnnotatedString("$withdrawalString "),
+        text = withdraw,
         onClick = {
             runCatching {
-                val intent = Intent(Intent.ACTION_VIEW, Uri.parse("lightning:$withdrawalString"))
+                val intent = Intent(Intent.ACTION_VIEW, uri)
                 ContextCompat.startActivity(context, intent, null)
             }
         },

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ExpandableRichTextViewer.kt

@@ -27,6 +27,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import kotlinx.collections.immutable.ImmutableList
 
 const val SHORT_TEXT_LENGTH = 350
 
@@ -34,8 +35,8 @@ const val SHORT_TEXT_LENGTH = 350
 fun ExpandableRichTextViewer(
     content: String,
     canPreview: Boolean,
-    modifier: Modifier = Modifier,
-    tags: List<List<String>>?,
+    modifier: Modifier,
+    tags: ImmutableList<List<String>>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
@@ -87,18 +88,26 @@ fun ExpandableRichTextViewer(
                         )
                     )
             ) {
-                Button(
-                    modifier = Modifier.padding(top = 10.dp),
-                    onClick = { showFullText = !showFullText },
-                    shape = RoundedCornerShape(20.dp),
-                    colors = ButtonDefaults.buttonColors(
-                        backgroundColor = MaterialTheme.colors.primary.copy(alpha = 0.32f).compositeOver(MaterialTheme.colors.background)
-                    ),
-                    contentPadding = PaddingValues(vertical = 6.dp, horizontal = 16.dp)
-                ) {
-                    Text(text = stringResource(R.string.show_more), color = Color.White)
+                ShowMoreButton() {
+                    showFullText = !showFullText
                 }
             }
         }
     }
 }
+
+@Composable
+private fun ShowMoreButton(onClick: () -> Unit) {
+    Button(
+        modifier = Modifier.padding(top = 10.dp),
+        onClick = onClick,
+        shape = RoundedCornerShape(20.dp),
+        colors = ButtonDefaults.buttonColors(
+            backgroundColor = MaterialTheme.colors.primary.copy(alpha = 0.32f)
+                .compositeOver(MaterialTheme.colors.background)
+        ),
+        contentPadding = PaddingValues(vertical = 6.dp, horizontal = 16.dp)
+    ) {
+        Text(text = stringResource(R.string.show_more), color = Color.White)
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.ui.components
 
 import android.util.Log
+import android.util.LruCache
 import android.util.Patterns
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
@@ -26,7 +27,6 @@ import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.style.TextDirection
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import com.google.accompanist.flowlayout.FlowRow
 import com.halilibo.richtext.markdown.Markdown
 import com.halilibo.richtext.markdown.MarkdownParseOptions
 import com.halilibo.richtext.ui.RichTextStyle
@@ -38,18 +38,26 @@ import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.model.checkForHashtagWithIcon
-import com.vitorpamplona.amethyst.service.lnurl.LnWithdrawalUtil
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.ui.note.NoteCompose
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.uriToRoute
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.ImmutableMap
+import kotlinx.collections.immutable.ImmutableSet
+import kotlinx.collections.immutable.persistentListOf
+import kotlinx.collections.immutable.persistentMapOf
+import kotlinx.collections.immutable.persistentSetOf
+import kotlinx.collections.immutable.toImmutableList
+import kotlinx.collections.immutable.toImmutableMap
+import kotlinx.collections.immutable.toImmutableSet
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import java.net.MalformedURLException
 import java.net.URISyntaxException
 import java.net.URL
 import java.util.regex.Pattern
+import kotlin.time.ExperimentalTime
 
 val imageExtensions = listOf("png", "jpg", "gif", "bmp", "jpeg", "webp", "svg")
 val videoExtensions = listOf("mp4", "avi", "wmv", "mpg", "amv", "webm", "mov", "mp3")
@@ -89,16 +97,14 @@ fun isMarkdown(content: String): Boolean {
 fun RichTextViewer(
     content: String,
     canPreview: Boolean,
-    modifier: Modifier = Modifier,
-    tags: List<List<String>>?,
+    modifier: Modifier,
+    tags: ImmutableList<List<String>>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    val isMarkdown = remember { isMarkdown(content) }
-
     Column(modifier = modifier) {
-        if (isMarkdown) {
+        if (remember(content) { isMarkdown(content) }) {
             RenderContentAsMarkdown(content, backgroundColor, tags, nav)
         } else {
             RenderRegular(content, tags, canPreview, backgroundColor, accountViewModel, nav)
@@ -106,210 +112,277 @@ fun RichTextViewer(
     }
 }
 
-@Stable
-class RichTextViewerState(
-    val content: String,
-    val urlSet: Set<String>,
-    val imagesForPager: Map<String, ZoomableUrlContent>,
-    val imageList: List<ZoomableUrlContent>,
-    val customEmoji: Map<String, String>
+val urlSetCache = LruCache<String, RichTextViewerState>(200)
+
+@Immutable
+data class RichTextViewerState(
+    val urlSet: ImmutableSet<String>,
+    val imagesForPager: ImmutableMap<String, ZoomableUrlContent>,
+    val imageList: ImmutableList<ZoomableUrlContent>,
+    val customEmoji: ImmutableMap<String, String>
 )
 
+@OptIn(ExperimentalTime::class, ExperimentalLayoutApi::class)
 @Composable
 private fun RenderRegular(
     content: String,
-    tags: List<List<String>>?,
+    tags: ImmutableList<List<String>>,
     canPreview: Boolean,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    var state by remember {
-        mutableStateOf(RichTextViewerState(content, emptySet(), emptyMap(), emptyList(), emptyMap()))
-    }
-
-    val scope = rememberCoroutineScope()
-
-    LaunchedEffect(key1 = content) {
-        scope.launch(Dispatchers.IO) {
-            val urls = UrlDetector(content, UrlDetectorOptions.Default).detect()
-            val urlSet = urls.mapTo(LinkedHashSet(urls.size)) { it.originalUrl }
-            val imagesForPager = urlSet.mapNotNull { fullUrl ->
-                val removedParamsFromUrl = fullUrl.split("?")[0].lowercase()
-                if (imageExtensions.any { removedParamsFromUrl.endsWith(it) }) {
-                    ZoomableUrlImage(fullUrl)
-                } else if (videoExtensions.any { removedParamsFromUrl.endsWith(it) }) {
-                    ZoomableUrlVideo(fullUrl)
-                } else {
-                    null
-                }
-            }.associateBy { it.url }
-            val imageList = imagesForPager.values.toList()
-
-            val emojiMap = tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
-
-            if (urlSet.isNotEmpty() || emojiMap.isNotEmpty()) {
-                state = RichTextViewerState(content, urlSet, imagesForPager, imageList, emojiMap)
-            }
+    val state by remember(content) {
+        if (urlSetCache[content] != null) {
+            mutableStateOf(urlSetCache[content])
+        } else {
+            val newUrls = parseUrls(content, tags)
+            urlSetCache.put(content, newUrls)
+            mutableStateOf(newUrls)
         }
     }
 
     // FlowRow doesn't work well with paragraphs. So we need to split them
     content.split('\n').forEach { paragraph ->
         FlowRow() {
-            val s = if (isArabic(paragraph)) {
-                paragraph.trim().split(' ')
-                    .reversed()
-            } else {
-                paragraph.trim().split(' ')
+            val s = remember(paragraph) {
+                if (isArabic(paragraph)) {
+                    paragraph.trim().split(' ').reversed()
+                } else {
+                    paragraph.trim().split(' ')
+                }
             }
             s.forEach { word: String ->
-                if (canPreview) {
-                    // Explicit URL
-                    val img = state.imagesForPager[word]
-                    if (img != null) {
-                        ZoomableContentView(img, state.imageList)
-                    } else if (state.urlSet.contains(word)) {
-                        UrlPreview(word, "$word ")
-                    } else if (state.customEmoji.any { word.contains(it.key) }) {
-                        RenderCustomEmoji(word, state.customEmoji)
-                    } else if (word.startsWith("lnbc", true)) {
-                        MayBeInvoicePreview(word)
-                    } else if (word.startsWith("lnurl", true)) {
-                        MayBeWithdrawal(word)
-                    } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
-                        ClickableEmail(word)
-                    } else if (word.length > 6 && Patterns.PHONE.matcher(word).matches()) {
-                        ClickablePhone(word)
-                    } else if (isBechLink(word)) {
-                        BechLink(
-                            word,
-                            canPreview,
-                            backgroundColor,
-                            accountViewModel,
-                            nav
-                        )
-                    } else if (word.startsWith("#")) {
-                        if (tagIndex.matcher(word).matches() && tags != null) {
-                            TagLink(
-                                word,
-                                tags,
-                                canPreview,
-                                backgroundColor,
-                                accountViewModel,
-                                nav
-                            )
-                        } else if (hashTagsPattern.matcher(word).matches()) {
-                            HashTag(word, nav)
-                        } else {
-                            Text(
-                                text = "$word ",
-                                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                            )
-                        }
-                    } else if (noProtocolUrlValidator.matcher(word).matches()) {
-                        val matcher = noProtocolUrlValidator.matcher(word)
-                        matcher.find()
-                        val url = matcher.group(1) // url
-                        val additionalChars = matcher.group(4) ?: "" // additional chars
-
-                        if (url != null) {
-                            ClickableUrl(url, "https://$url")
-                            Text("$additionalChars ")
-                        } else {
-                            Text(
-                                text = "$word ",
-                                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                            )
-                        }
-                    } else {
-                        Text(
-                            text = "$word ",
-                            style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                        )
-                    }
-                } else {
-                    if (state.urlSet.contains(word)) {
-                        ClickableUrl("$word ", word)
-                    } else if (word.startsWith("lnurl", true)) {
-                        val lnWithdrawal = LnWithdrawalUtil.findWithdrawal(word)
-                        if (lnWithdrawal != null) {
-                            ClickableWithdrawal(withdrawalString = lnWithdrawal)
-                        } else {
-                            Text(
-                                text = "$word ",
-                                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                            )
-                        }
-                    } else if (state.customEmoji.any { word.contains(it.key) }) {
-                        RenderCustomEmoji(word, state.customEmoji)
-                    } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
-                        ClickableEmail(word)
-                    } else if (Patterns.PHONE.matcher(word).matches() && word.length > 6) {
-                        ClickablePhone(word)
-                    } else if (isBechLink(word)) {
-                        BechLink(
-                            word,
-                            canPreview,
-                            backgroundColor,
-                            accountViewModel,
-                            nav
-                        )
-                    } else if (word.startsWith("#")) {
-                        if (tagIndex.matcher(word).matches() && tags != null) {
-                            TagLink(
-                                word,
-                                tags,
-                                canPreview,
-                                backgroundColor,
-                                accountViewModel,
-                                nav
-                            )
-                        } else if (hashTagsPattern.matcher(word).matches()) {
-                            HashTag(word, nav)
-                        } else {
-                            Text(
-                                text = "$word ",
-                                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                            )
-                        }
-                    } else if (noProtocolUrlValidator.matcher(word).matches()) {
-                        val matcher = noProtocolUrlValidator.matcher(word)
-                        matcher.find()
-                        val url = matcher.group(1) // url
-                        val additionalChars = matcher.group(4) ?: "" // additional chars
-
-                        if (url != null) {
-                            ClickableUrl(url, "https://$url")
-                            Text("$additionalChars ")
-                        } else {
-                            Text(
-                                text = "$word ",
-                                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                            )
-                        }
-                    } else {
-                        Text(
-                            text = "$word ",
-                            style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                        )
-                    }
-                }
+                RenderWord(
+                    word,
+                    state,
+                    canPreview,
+                    backgroundColor,
+                    accountViewModel,
+                    nav,
+                    tags
+                )
             }
         }
     }
 }
 
+private fun parseUrls(
+    content: String,
+    tags: List<List<String>>
+): RichTextViewerState {
+    val urls = UrlDetector(content, UrlDetectorOptions.Default).detect()
+    val urlSet = urls.mapTo(LinkedHashSet(urls.size)) { it.originalUrl }
+    val imagesForPager = urlSet.mapNotNull { fullUrl ->
+        val removedParamsFromUrl = fullUrl.split("?")[0].lowercase()
+        if (imageExtensions.any { removedParamsFromUrl.endsWith(it) }) {
+            ZoomableUrlImage(fullUrl)
+        } else if (videoExtensions.any { removedParamsFromUrl.endsWith(it) }) {
+            ZoomableUrlVideo(fullUrl)
+        } else {
+            null
+        }
+    }.associateBy { it.url }
+    val imageList = imagesForPager.values.toList()
+
+    val emojiMap =
+        tags.filter { it.size > 2 && it[0] == "emoji" }.associate { ":${it[1]}:" to it[2] }
+
+    return if (urlSet.isNotEmpty() || emojiMap.isNotEmpty()) {
+        RichTextViewerState(
+            urlSet.toImmutableSet(),
+            imagesForPager.toImmutableMap(),
+            imageList.toImmutableList(),
+            emojiMap.toImmutableMap()
+        )
+    } else {
+        RichTextViewerState(
+            persistentSetOf(),
+            persistentMapOf(),
+            persistentListOf(),
+            persistentMapOf()
+        )
+    }
+}
+
+enum class WordType {
+    IMAGE, LINK, EMOJI, INVOICE, WITHDRAW, EMAIL, PHONE, BECH, HASH_INDEX, HASHTAG, SCHEMELESS_URL, OTHER
+}
+
 @Composable
-fun RenderCustomEmoji(word: String, customEmoji: Map<String, String>) {
-    CreateTextWithEmoji(
-        text = "$word ",
-        emojis = customEmoji
+private fun RenderWord(
+    word: String,
+    state: RichTextViewerState,
+    canPreview: Boolean,
+    backgroundColor: Color,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit,
+    tags: ImmutableList<List<String>>
+) {
+    val type = remember(word) {
+        if (state.imagesForPager[word] != null) {
+            WordType.IMAGE
+        } else if (state.urlSet.contains(word)) {
+            WordType.LINK
+        } else if (state.customEmoji.any { word.contains(it.key) }) {
+            WordType.EMOJI
+        } else if (word.startsWith("lnbc", true)) {
+            WordType.INVOICE
+        } else if (word.startsWith("lnurl", true)) {
+            WordType.WITHDRAW
+        } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
+            WordType.EMAIL
+        } else if (word.length > 6 && Patterns.PHONE.matcher(word).matches()) {
+            WordType.PHONE
+        } else if (startsWithNIP19Scheme(word)) {
+            WordType.BECH
+        } else if (word.startsWith("#")) {
+            if (tagIndex.matcher(word).matches()) {
+                if (tags.isNotEmpty()) {
+                    WordType.HASH_INDEX
+                } else {
+                    WordType.OTHER
+                }
+            } else if (hashTagsPattern.matcher(word).matches()) {
+                WordType.HASHTAG
+            } else {
+                WordType.OTHER
+            }
+        } else if (noProtocolUrlValidator.matcher(word).matches()) {
+            WordType.SCHEMELESS_URL
+        } else {
+            WordType.OTHER
+        }
+    }
+
+    if (canPreview) {
+        RenderWordWithPreview(type, word, state, tags, backgroundColor, accountViewModel, nav)
+    } else {
+        RenderWordWithoutPreview(type, word, state, tags, backgroundColor, accountViewModel, nav)
+    }
+}
+
+@Composable
+private fun RenderWordWithoutPreview(
+    type: WordType,
+    word: String,
+    state: RichTextViewerState,
+    tags: ImmutableList<List<String>>,
+    backgroundColor: Color,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
+    val wordSpace = remember(word) {
+        "$word "
+    }
+
+    when (type) {
+        // Don't preview Images
+        WordType.IMAGE -> UrlPreview(word, wordSpace)
+        WordType.LINK -> UrlPreview(word, wordSpace)
+        WordType.EMOJI -> RenderCustomEmoji(word, state)
+        // Don't offer to pay invoices
+        WordType.INVOICE -> NormalWord(wordSpace)
+        // Don't offer to withdraw
+        WordType.WITHDRAW -> NormalWord(wordSpace)
+        WordType.EMAIL -> ClickableEmail(word)
+        WordType.PHONE -> ClickablePhone(word)
+        WordType.BECH -> BechLink(word, false, backgroundColor, accountViewModel, nav)
+        WordType.HASHTAG -> HashTag(word, nav)
+        WordType.HASH_INDEX -> TagLink(word, tags, false, backgroundColor, accountViewModel, nav)
+        WordType.SCHEMELESS_URL -> NoProtocolUrlRenderer(word)
+        WordType.OTHER -> NormalWord(wordSpace)
+    }
+}
+
+@Composable
+private fun RenderWordWithPreview(
+    type: WordType,
+    word: String,
+    state: RichTextViewerState,
+    tags: ImmutableList<List<String>>,
+    backgroundColor: Color,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
+    val wordSpace = remember(word) {
+        "$word "
+    }
+
+    when (type) {
+        WordType.IMAGE -> ZoomableContentView(word, state)
+        WordType.LINK -> UrlPreview(word, wordSpace)
+        WordType.EMOJI -> RenderCustomEmoji(word, state)
+        WordType.INVOICE -> MayBeInvoicePreview(word)
+        WordType.WITHDRAW -> MayBeWithdrawal(word)
+        WordType.EMAIL -> ClickableEmail(word)
+        WordType.PHONE -> ClickablePhone(word)
+        WordType.BECH -> BechLink(word, true, backgroundColor, accountViewModel, nav)
+        WordType.HASHTAG -> HashTag(word, nav)
+        WordType.HASH_INDEX -> TagLink(word, tags, true, backgroundColor, accountViewModel, nav)
+        WordType.SCHEMELESS_URL -> NoProtocolUrlRenderer(word)
+        WordType.OTHER -> NormalWord(wordSpace)
+    }
+}
+
+@Composable
+private fun ZoomableContentView(word: String, state: RichTextViewerState) {
+    state.imagesForPager[word]?.let {
+        ZoomableContentView(it, state.imageList)
+    }
+}
+
+@Composable
+private fun NormalWord(word: String) {
+    Text(
+        text = word,
+        style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
     )
 }
 
 @Composable
-private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tags: List<List<String>>?, nav: (String) -> Unit) {
+private fun NoProtocolUrlRenderer(word: String) {
+    val wordSpace = remember(word) {
+        "$word "
+    }
+
+    var linkedUrl by remember(word) {
+        mutableStateOf<Pair<String, String>?>(null)
+    }
+
+    LaunchedEffect(key1 = word) {
+        launch(Dispatchers.Default) {
+            val matcher = noProtocolUrlValidator.matcher(word)
+            if (matcher.find()) {
+                val url = matcher.group(1) // url
+                val additionalChars = matcher.group(4) ?: "" // additional chars
+
+                linkedUrl = Pair(url, additionalChars)
+            }
+        }
+    }
+
+    if (linkedUrl != null) {
+        ClickableUrl(linkedUrl!!.first, "https://${linkedUrl!!.first}")
+        Text("${linkedUrl!!.second} ")
+    } else {
+        Text(
+            text = wordSpace,
+            style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+        )
+    }
+}
+
+@Composable
+fun RenderCustomEmoji(word: String, state: RichTextViewerState) {
+    CreateTextWithEmoji(
+        text = remember { "$word " },
+        emojis = state.customEmoji
+    )
+}
+
+@Composable
+private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tags: ImmutableList<List<String>>?, nav: (String) -> Unit) {
     val myMarkDownStyle = richTextDefaults.copy(
         codeBlockStyle = richTextDefaults.codeBlockStyle?.copy(
             textStyle = TextStyle(
@@ -344,19 +417,38 @@ private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tag
         )
     )
 
-    var markdownWithSpecialContent by remember { mutableStateOf<String?>(null) }
-    var nip19References by remember { mutableStateOf<List<Nip19.Return>>(emptyList()) }
-    var refresh by remember { mutableStateOf(0) }
-
-    LaunchedEffect(key1 = content) {
-        withContext(Dispatchers.IO) {
-            nip19References = returnNIP19References(content, tags)
-            markdownWithSpecialContent = returnMarkdownWithSpecialContent(content, tags)
+    val uri = LocalUriHandler.current
+    val onClick = { link: String ->
+        val route = uriToRoute(link)
+        if (route != null) {
+            nav(route)
+        } else {
+            runCatching { uri.openUri(link) }
         }
+        Unit
     }
 
-    LaunchedEffect(key1 = refresh) {
-        withContext(Dispatchers.IO) {
+    MaterialRichText(
+        style = myMarkDownStyle
+    ) {
+        RefreshableContent(content, tags) {
+            Markdown(
+                content = it,
+                markdownParseOptions = MarkdownParseOptions.Default,
+                onLinkClicked = onClick
+            )
+        }
+    }
+}
+
+@Composable
+private fun RefreshableContent(content: String, tags: List<List<String>>?, onCompose: @Composable (String) -> Unit) {
+    var markdownWithSpecialContent by remember(content) { mutableStateOf<String?>(content) }
+
+    val scope = rememberCoroutineScope()
+
+    ObserverAllNIP19References(content, tags) {
+        scope.launch(Dispatchers.IO) {
             val newMarkdownWithSpecialContent = returnMarkdownWithSpecialContent(content, tags)
             if (markdownWithSpecialContent != newMarkdownWithSpecialContent) {
                 markdownWithSpecialContent = newMarkdownWithSpecialContent
@@ -364,18 +456,79 @@ private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tag
         }
     }
 
-    nip19References.forEach {
-        var baseUser by remember { mutableStateOf<User?>(null) }
-        var baseNote by remember { mutableStateOf<Note?>(null) }
+    markdownWithSpecialContent?.let {
+        onCompose(it)
+    }
+}
 
-        LaunchedEffect(key1 = it.hex) {
-            withContext(Dispatchers.IO) {
+@Composable
+fun ObserverAllNIP19References(content: String, tags: List<List<String>>?, onRefresh: () -> Unit) {
+    var nip19References by remember(content) { mutableStateOf<List<Nip19.Return>>(emptyList()) }
+    LaunchedEffect(key1 = content) {
+        launch(Dispatchers.IO) {
+            nip19References = returnNIP19References(content, tags)
+        }
+    }
+
+    nip19References.forEach {
+        ObserveNIP19(it, onRefresh)
+    }
+}
+
+@Composable
+fun ObserveNIP19(
+    it: Nip19.Return,
+    onRefresh: () -> Unit
+) {
+    if (it.type == Nip19.Type.NOTE || it.type == Nip19.Type.EVENT || it.type == Nip19.Type.ADDRESS) {
+        ObserveNIP19Event(it, onRefresh)
+    } else if (it.type == Nip19.Type.USER) {
+        ObserveNIP19User(it, onRefresh)
+    }
+}
+
+@Composable
+private fun ObserveNIP19Event(
+    it: Nip19.Return,
+    onRefresh: suspend () -> Unit
+) {
+    var baseNote by remember(it) { mutableStateOf<Note?>(null) }
+
+    LaunchedEffect(key1 = it.hex) {
+        if (baseNote == null) {
+            launch(Dispatchers.IO) {
                 if (it.type == Nip19.Type.NOTE || it.type == Nip19.Type.EVENT || it.type == Nip19.Type.ADDRESS) {
                     LocalCache.checkGetOrCreateNote(it.hex)?.let { note ->
                         baseNote = note
                     }
                 }
+            }
+        }
+    }
 
+    baseNote?.let { note ->
+        val noteState by note.live().metadata.observeAsState()
+
+        LaunchedEffect(key1 = noteState) {
+            if (noteState?.note?.event != null) {
+                launch(Dispatchers.IO) {
+                    onRefresh()
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun ObserveNIP19User(
+    it: Nip19.Return,
+    onRefresh: () -> Unit
+) {
+    var baseUser by remember(it) { mutableStateOf<User?>(null) }
+
+    LaunchedEffect(key1 = it.hex) {
+        if (baseUser == null) {
+            launch(Dispatchers.IO) {
                 if (it.type == Nip19.Type.USER) {
                     LocalCache.checkGetOrCreateUser(it.hex)?.let { user ->
                         baseUser = user
@@ -383,40 +536,15 @@ private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tag
                 }
             }
         }
-
-        baseNote?.let {
-            val noteState by it.live().metadata.observeAsState()
-            if (noteState?.note?.event != null) {
-                LaunchedEffect(key1 = noteState) {
-                    refresh++
-                }
-            }
-        }
-        baseUser?.let {
-            val userState by it.live().metadata.observeAsState()
-            if (userState?.user?.info != null) {
-                LaunchedEffect(key1 = userState) {
-                    refresh++
-                }
-            }
-        }
     }
 
-    val uri = LocalUriHandler.current
+    baseUser?.let { user ->
+        val userState by user.live().metadata.observeAsState()
 
-    markdownWithSpecialContent?.let {
-        MaterialRichText(
-            style = myMarkDownStyle
-        ) {
-            Markdown(
-                content = it,
-                markdownParseOptions = MarkdownParseOptions.Default
-            ) { link ->
-                val route = uriToRoute(link)
-                if (route != null) {
-                    nav(route)
-                } else {
-                    runCatching { uri.openUri(link) }
+        LaunchedEffect(key1 = userState) {
+            if (userState?.user?.info != null) {
+                launch(Dispatchers.IO) {
+                    onRefresh()
                 }
             }
         }
@@ -478,7 +606,7 @@ private fun returnNIP19References(content: String, tags: List<List<String>>?): L
     val listOfReferences = mutableListOf<Nip19.Return>()
     content.split('\n').forEach { paragraph ->
         paragraph.split(' ').forEach { word: String ->
-            if (isBechLink(word)) {
+            if (startsWithNIP19Scheme(word)) {
                 val parsedNip19 = Nip19.uriToRoute(word)
                 parsedNip19?.let {
                     listOfReferences.add(it)
@@ -505,12 +633,17 @@ private fun returnMarkdownWithSpecialContent(content: String, tags: List<List<St
     content.split('\n').forEach { paragraph ->
         paragraph.split(' ').forEach { word: String ->
             if (isValidURL(word)) {
-                returnContent += "[$word]($word) "
+                val removedParamsFromUrl = word.split("?")[0].lowercase()
+                if (imageExtensions.any { removedParamsFromUrl.endsWith(it) }) {
+                    returnContent += "$word "
+                } else {
+                    returnContent += "[$word]($word) "
+                }
             } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
                 returnContent += "[$word](mailto:$word) "
             } else if (Patterns.PHONE.matcher(word).matches() && word.length > 6) {
                 returnContent += "[$word](tel:$word) "
-            } else if (isBechLink(word)) {
+            } else if (startsWithNIP19Scheme(word)) {
                 val parsedNip19 = Nip19.uriToRoute(word)
                 returnContent += if (parsedNip19 !== null) {
                     val pair = getDisplayNameFromNip19(parsedNip19)
@@ -563,63 +696,96 @@ private fun isArabic(text: String): Boolean {
     return text.any { it in '\u0600'..'\u06FF' || it in '\u0750'..'\u077F' }
 }
 
-fun isBechLink(word: String): Boolean {
+fun startsWithNIP19Scheme(word: String): Boolean {
     val cleaned = word.lowercase().removePrefix("@").removePrefix("nostr:").removePrefix("@")
 
     return listOf("npub1", "naddr1", "note1", "nprofile1", "nevent1").any { cleaned.startsWith(it) }
 }
 
+@Immutable
+data class LoadedBechLink(val baseNote: Note?, val nip19: Nip19.Return)
+
 @Composable
 fun BechLink(word: String, canPreview: Boolean, backgroundColor: Color, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
-    var nip19Route by remember { mutableStateOf<Nip19.Return?>(null) }
-    var baseNotePair by remember { mutableStateOf<Pair<Note, String?>?>(null) }
-
-    val scope = rememberCoroutineScope()
+    var loadedLink by remember { mutableStateOf<LoadedBechLink?>(null) }
 
     LaunchedEffect(key1 = word) {
-        scope.launch(Dispatchers.IO) {
+        launch(Dispatchers.IO) {
             Nip19.uriToRoute(word)?.let {
+                var returningNote: Note? = null
                 if (it.type == Nip19.Type.NOTE || it.type == Nip19.Type.EVENT || it.type == Nip19.Type.ADDRESS) {
                     LocalCache.checkGetOrCreateNote(it.hex)?.let { note ->
-                        baseNotePair = Pair(note, it.additionalChars)
+                        returningNote = note
                     }
                 }
 
-                nip19Route = it
+                loadedLink = LoadedBechLink(returningNote, it)
             }
         }
     }
 
     if (canPreview) {
-        baseNotePair?.let {
-            NoteCompose(
-                baseNote = it.first,
-                accountViewModel = accountViewModel,
-                modifier = Modifier
-                    .padding(top = 2.dp, bottom = 0.dp, start = 0.dp, end = 0.dp)
-                    .fillMaxWidth()
-                    .clip(shape = RoundedCornerShape(15.dp))
-                    .border(
-                        1.dp,
-                        MaterialTheme.colors.onSurface.copy(alpha = 0.12f),
-                        RoundedCornerShape(15.dp)
-                    ),
-                parentBackgroundColor = backgroundColor,
-                isQuotedNote = true,
-                nav = nav
-            )
-            if (!it.second.isNullOrEmpty()) {
-                Text(
-                    "${it.second} "
-                )
+        loadedLink?.let { loadedLink ->
+            loadedLink.baseNote?.let {
+                DisplayFullNote(it, accountViewModel, backgroundColor, nav, loadedLink)
+            } ?: run {
+                ClickableRoute(loadedLink.nip19, nav)
             }
-        } ?: nip19Route?.let {
-            ClickableRoute(it, nav)
-        } ?: Text(text = "$word ")
+        } ?: run {
+            Text(text = remember { "$word " })
+        }
     } else {
-        nip19Route?.let {
-            ClickableRoute(it, nav)
-        } ?: Text(text = "$word ")
+        loadedLink?.let {
+            ClickableRoute(it.nip19, nav)
+        } ?: run {
+            Text(text = remember { "$word " })
+        }
+    }
+}
+
+@Composable
+private fun DisplayFullNote(
+    it: Note,
+    accountViewModel: AccountViewModel,
+    backgroundColor: Color,
+    nav: (String) -> Unit,
+    loadedLink: LoadedBechLink
+) {
+    val borderColor = MaterialTheme.colors.onSurface.copy(alpha = 0.12f)
+
+    val modifier = remember {
+        Modifier
+            .padding(top = 2.dp, bottom = 0.dp, start = 0.dp, end = 0.dp)
+            .fillMaxWidth()
+            .clip(shape = RoundedCornerShape(15.dp))
+            .border(
+                1.dp,
+                borderColor,
+                RoundedCornerShape(15.dp)
+            )
+    }
+
+    NoteCompose(
+        baseNote = it,
+        accountViewModel = accountViewModel,
+        modifier = modifier,
+        parentBackgroundColor = backgroundColor,
+        isQuotedNote = true,
+        nav = nav
+    )
+
+    val extraChars = remember(loadedLink) {
+        if (loadedLink.nip19.additionalChars.isNotBlank()) {
+            "${loadedLink.nip19.additionalChars} "
+        } else {
+            null
+        }
+    }
+
+    extraChars?.let {
+        Text(
+            it
+        )
     }
 }
 
@@ -627,10 +793,8 @@ fun BechLink(word: String, canPreview: Boolean, backgroundColor: Color, accountV
 fun HashTag(word: String, nav: (String) -> Unit) {
     var tagSuffixPair by remember { mutableStateOf<Pair<String, String?>?>(null) }
 
-    val scope = rememberCoroutineScope()
-
     LaunchedEffect(key1 = word) {
-        scope.launch(Dispatchers.IO) {
+        launch(Dispatchers.IO) {
             val hashtagMatcher = hashTagsPattern.matcher(word)
 
             val (myTag, mySuffix) = try {
@@ -707,30 +871,30 @@ fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgro
     var baseUserPair by remember { mutableStateOf<Pair<User, String?>?>(null) }
     var baseNotePair by remember { mutableStateOf<Pair<Note, String?>?>(null) }
 
-    val scope = rememberCoroutineScope()
-
     LaunchedEffect(key1 = word) {
-        scope.launch(Dispatchers.IO) {
-            val matcher = tagIndex.matcher(word)
-            val (index, suffix) = try {
-                matcher.find()
-                Pair(matcher.group(1)?.toInt(), matcher.group(2) ?: "")
-            } catch (e: Exception) {
-                Log.w("Tag Parser", "Couldn't link tag $word", e)
-                Pair(null, null)
-            }
+        if (baseUserPair == null && baseNotePair == null) {
+            launch(Dispatchers.IO) {
+                val matcher = tagIndex.matcher(word)
+                val (index, suffix) = try {
+                    matcher.find()
+                    Pair(matcher.group(1)?.toInt(), matcher.group(2) ?: "")
+                } catch (e: Exception) {
+                    Log.w("Tag Parser", "Couldn't link tag $word", e)
+                    Pair(null, null)
+                }
 
-            if (index != null && index >= 0 && index < tags.size) {
-                val tag = tags[index]
+                if (index != null && index >= 0 && index < tags.size) {
+                    val tag = tags[index]
 
-                if (tag.size > 1) {
-                    if (tag[0] == "p") {
-                        LocalCache.checkGetOrCreateUser(tag[1])?.let {
-                            baseUserPair = Pair(it, suffix)
-                        }
-                    } else if (tag[0] == "e" || tag[0] == "a") {
-                        LocalCache.checkGetOrCreateNote(tag[1])?.let {
-                            baseNotePair = Pair(it, suffix)
+                    if (tag.size > 1) {
+                        if (tag[0] == "p") {
+                            LocalCache.checkGetOrCreateUser(tag[1])?.let {
+                                baseUserPair = Pair(it, suffix)
+                            }
+                        } else if (tag[0] == "e" || tag[0] == "a") {
+                            LocalCache.checkGetOrCreateNote(tag[1])?.let {
+                                baseNotePair = Pair(it, suffix)
+                            }
                         }
                     }
                 }
@@ -747,12 +911,12 @@ fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgro
             "User/${it.first.pubkeyHex}"
         }
         val userTags = remember(innerUserState) {
-            innerUserState?.user?.info?.latestMetadata?.tags
+            innerUserState?.user?.info?.latestMetadata?.tags?.toImmutableList()
         }
 
         CreateClickableTextWithEmoji(
             clickablePart = displayName,
-            suffix = "${it.second} ",
+            suffix = remember { "${it.second} " },
             tags = userTags,
             route = route,
             nav = nav

app/src/main/java/com/vitorpamplona/amethyst/ui/components/UrlPreview.kt

@@ -7,7 +7,6 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.platform.LocalContext
 import com.vitorpamplona.amethyst.R
@@ -21,7 +20,7 @@ import kotlinx.coroutines.launch
 fun UrlPreview(url: String, urlText: String) {
     val context = LocalContext.current
 
-    var urlPreviewState by remember {
+    var urlPreviewState by remember(url) {
         val default = UrlCachedPreviewer.cache[url]?.let {
             if (it.allFetchComplete() && it.url == url) {
                 UrlPreviewState.Loaded(it)
@@ -32,12 +31,11 @@ fun UrlPreview(url: String, urlText: String) {
 
         mutableStateOf(default)
     }
-    val scope = rememberCoroutineScope()
 
     // Doesn't use a viewModel because of viewModel reusing issues (too many UrlPreview are created).
     LaunchedEffect(url) {
         if (urlPreviewState == UrlPreviewState.Loading) {
-            scope.launch(Dispatchers.IO) {
+            launch(Dispatchers.IO) {
                 UrlCachedPreviewer.previewInfo(
                     url,
                     object : IUrlPreviewCallback {

app/src/main/java/com/vitorpamplona/amethyst/ui/components/UrlPreviewCard.kt

@@ -10,7 +10,6 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
@@ -22,7 +21,6 @@ import androidx.compose.ui.unit.dp
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.service.previews.UrlInfoItem
-import java.net.URL
 
 @Composable
 fun UrlPreviewCard(
@@ -42,26 +40,15 @@ fun UrlPreviewCard(
             )
     ) {
         Column {
-            val validatedUrl = remember { URL(previewInfo.url) }
-
-            // correctly treating relative images
-            val imageUrl = remember {
-                if (previewInfo.image.startsWith("/")) {
-                    URL(validatedUrl, previewInfo.image).toString()
-                } else {
-                    previewInfo.image
-                }
-            }
-
             AsyncImage(
-                model = imageUrl,
-                contentDescription = stringResource(R.string.preview_card_image_for, validatedUrl),
+                model = previewInfo.imageUrlFullPath,
+                contentDescription = stringResource(R.string.preview_card_image_for, previewInfo.url),
                 contentScale = ContentScale.FillWidth,
                 modifier = Modifier.fillMaxWidth()
             )
 
             Text(
-                text = validatedUrl.host,
+                text = previewInfo.verifiedUrl?.host ?: previewInfo.url,
                 style = MaterialTheme.typography.caption,
                 modifier = Modifier
                     .fillMaxWidth()

app/src/main/java/com/vitorpamplona/amethyst/ui/components/UrlPreviewState.kt

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.ui.components
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.service.previews.UrlInfoItem
 
+@Immutable
 sealed class UrlPreviewState {
     object Loading : UrlPreviewState()
     class Loaded(val previewInfo: UrlInfoItem) : UrlPreviewState()

app/src/main/java/com/vitorpamplona/amethyst/ui/components/VideoView.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.ui.components
 
+import android.content.Context
 import android.graphics.drawable.Drawable
 import android.net.Uri
 import android.util.Log
@@ -26,11 +27,9 @@ import androidx.compose.material.icons.filled.VolumeUp
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.rememberUpdatedState
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
@@ -54,7 +53,6 @@ import coil.request.ImageRequest
 import com.google.android.exoplayer2.C
 import com.google.android.exoplayer2.ExoPlayer
 import com.google.android.exoplayer2.MediaItem
-import com.google.android.exoplayer2.MediaMetadata
 import com.google.android.exoplayer2.Player
 import com.google.android.exoplayer2.source.ProgressiveMediaSource
 import com.google.android.exoplayer2.ui.AspectRatioFrameLayout
@@ -64,29 +62,32 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.io.File
 
-public var muted = mutableStateOf(true)
+public var DefaultMutedSetting = mutableStateOf(true)
 
 @Composable
 fun VideoView(localFile: File?, description: String? = null, onDialog: ((Boolean) -> Unit)? = null) {
     if (localFile != null) {
-        VideoView(localFile.toUri(), description, null, onDialog)
+        val video = remember(localFile) { localFile.toUri() }
+
+        VideoView(video, description, null, onDialog)
     }
 }
 
 @Composable
 fun VideoView(videoUri: String, description: String? = null, onDialog: ((Boolean) -> Unit)? = null) {
-    VideoView(Uri.parse(videoUri), description, null, onDialog)
+    val video = remember(videoUri) { Uri.parse(videoUri) }
+
+    VideoView(video, description, null, onDialog)
 }
 
 @Composable
-fun VideoView(videoUri: String, description: String? = null, thumbUri: String, onDialog: ((Boolean) -> Unit)? = null) {
+fun LoadThumbAndThenVideoView(videoUri: String, description: String? = null, thumbUri: String, onDialog: ((Boolean) -> Unit)? = null) {
     var loadingFinished by remember { mutableStateOf<Pair<Boolean, Drawable?>>(Pair(false, null)) }
 
     val context = LocalContext.current
-    val scope = rememberCoroutineScope()
 
     LaunchedEffect(Unit) {
-        scope.launch(Dispatchers.IO) {
+        launch(Dispatchers.IO) {
             try {
                 val request = ImageRequest.Builder(context).data(thumbUri).build()
                 val myCover = context.imageLoader.execute(request).drawable
@@ -104,7 +105,9 @@ fun VideoView(videoUri: String, description: String? = null, thumbUri: String, o
 
     if (loadingFinished.first) {
         if (loadingFinished.second != null) {
-            VideoView(Uri.parse(videoUri), description, loadingFinished.second, onDialog)
+            val video = remember(videoUri) { Uri.parse(videoUri) }
+
+            VideoView(video, description, loadingFinished.second, onDialog)
         } else {
             VideoView(videoUri, description, onDialog)
         }
@@ -116,23 +119,24 @@ fun VideoView(videoUri: Uri, description: String? = null, thumb: Drawable? = nul
     val context = LocalContext.current
     val lifecycleOwner = rememberUpdatedState(LocalLifecycleOwner.current)
 
-    println("loading audio with artwork $thumb")
+    var exoPlayer by remember { mutableStateOf<ExoPlayer?>(null) }
+    val defaultVolume = remember { if (DefaultMutedSetting.value) 0f else 1f }
 
-    val exoPlayer = remember(videoUri) {
-        val mediaBuilder = MediaItem.Builder().setUri(videoUri)
-
-        description?.let {
-            mediaBuilder.setMediaMetadata(
-                MediaMetadata.Builder().setDisplayTitle(it).build()
-            )
+    LaunchedEffect(key1 = videoUri) {
+        if (exoPlayer == null) {
+            launch(Dispatchers.Default) {
+                exoPlayer = ExoPlayer.Builder(context).build()
+            }
         }
+    }
 
-        val media = mediaBuilder.build()
+    exoPlayer?.let {
+        val media = remember { MediaItem.Builder().setUri(videoUri).build() }
 
-        ExoPlayer.Builder(context).build().apply {
+        it.apply {
             repeatMode = Player.REPEAT_MODE_ALL
             videoScalingMode = C.VIDEO_SCALING_MODE_SCALE_TO_FIT
-            volume = 0f
+            volume = defaultVolume
             if (videoUri.scheme?.startsWith("file") == true) {
                 setMediaItem(media)
             } else {
@@ -144,56 +148,15 @@ fun VideoView(videoUri: Uri, description: String? = null, thumb: Drawable? = nul
             }
             prepare()
         }
+
+        RenderVideoPlayer(it, context, thumb, onDialog)
     }
 
-    LaunchedEffect(key1 = muted.value) {
-        exoPlayer.volume = if (muted.value) 0f else 1f
-    }
-
-    DisposableEffect(
-        BoxWithConstraints() {
-            AndroidView(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .defaultMinSize(minHeight = 70.dp)
-                    .align(Alignment.Center)
-                    .onVisibilityChanges { visible ->
-                        if (visible && !exoPlayer.isPlaying) {
-                            exoPlayer.play()
-                        } else if (!visible && exoPlayer.isPlaying) {
-                            exoPlayer.pause()
-                        }
-                    },
-                factory = {
-                    StyledPlayerView(context).apply {
-                        player = exoPlayer
-                        layoutParams = FrameLayout.LayoutParams(
-                            ViewGroup.LayoutParams.MATCH_PARENT,
-                            ViewGroup.LayoutParams.WRAP_CONTENT
-                        )
-                        controllerAutoShow = false
-                        thumb?.let { defaultArtwork = thumb }
-                        hideController()
-                        resizeMode = if (maxHeight.isFinite) AspectRatioFrameLayout.RESIZE_MODE_FIT else AspectRatioFrameLayout.RESIZE_MODE_FIXED_WIDTH
-                        onDialog?.let { innerOnDialog ->
-                            setFullscreenButtonClickListener {
-                                exoPlayer.pause()
-                                innerOnDialog(it)
-                            }
-                        }
-                    }
-                }
-            )
-
-            MuteButton(muted, Modifier) {
-                muted.value = !muted.value
-            }
-        }
-    ) {
+    DisposableEffect(Unit) {
         val observer = LifecycleEventObserver { _, event ->
             when (event) {
                 Lifecycle.Event.ON_PAUSE -> {
-                    exoPlayer.pause()
+                    exoPlayer?.pause()
                 }
                 else -> {}
             }
@@ -202,24 +165,71 @@ fun VideoView(videoUri: Uri, description: String? = null, thumb: Drawable? = nul
         lifecycle.addObserver(observer)
 
         onDispose {
-            exoPlayer.release()
+            exoPlayer?.release()
             lifecycle.removeObserver(observer)
         }
     }
 }
 
+@Composable
+private fun RenderVideoPlayer(
+    exoPlayer: ExoPlayer,
+    context: Context,
+    thumb: Drawable?,
+    onDialog: ((Boolean) -> Unit)?
+) {
+    BoxWithConstraints() {
+        AndroidView(
+            modifier = Modifier
+                .fillMaxWidth()
+                .defaultMinSize(minHeight = 70.dp)
+                .align(Alignment.Center)
+                .onVisibilityChanges { visible ->
+                    if (visible && !exoPlayer.isPlaying) {
+                        exoPlayer.play()
+                    } else if (!visible && exoPlayer.isPlaying) {
+                        exoPlayer.pause()
+                    }
+                },
+            factory = {
+                StyledPlayerView(context).apply {
+                    player = exoPlayer
+                    layoutParams = FrameLayout.LayoutParams(
+                        ViewGroup.LayoutParams.MATCH_PARENT,
+                        ViewGroup.LayoutParams.WRAP_CONTENT
+                    )
+                    controllerAutoShow = false
+                    thumb?.let { defaultArtwork = thumb }
+                    hideController()
+                    resizeMode =
+                        if (maxHeight.isFinite) AspectRatioFrameLayout.RESIZE_MODE_FIT else AspectRatioFrameLayout.RESIZE_MODE_FIXED_WIDTH
+                    onDialog?.let { innerOnDialog ->
+                        setFullscreenButtonClickListener {
+                            exoPlayer.pause()
+                            innerOnDialog(it)
+                        }
+                    }
+                }
+            }
+        )
+
+        MuteButton() { mute: Boolean ->
+            DefaultMutedSetting.value = mute
+
+            exoPlayer.volume = if (mute) 0f else 1f
+        }
+    }
+}
+
 fun Modifier.onVisibilityChanges(onVisibilityChanges: (Boolean) -> Unit): Modifier = composed {
     val view = LocalView.current
     var isVisible: Boolean? by remember { mutableStateOf(null) }
 
-    LaunchedEffect(isVisible) {
-        onVisibilityChanges(isVisible == true)
-    }
-
     onGloballyPositioned { coordinates ->
         val newIsVisible = coordinates.isCompletelyVisible(view)
         if (isVisible != newIsVisible) {
             isVisible = newIsVisible
+            onVisibilityChanges(isVisible == true)
         }
     }
 }
@@ -241,12 +251,14 @@ fun LayoutCoordinates.isCompletelyVisible(view: View): Boolean {
 }
 
 @Composable
-private fun MuteButton(muted: MutableState<Boolean>, modifier: Modifier, toggle: () -> Unit) {
+private fun MuteButton(toggle: (Boolean) -> Unit) {
     Box(
-        modifier
-            .width(70.dp)
-            .height(70.dp)
-            .padding(10.dp)
+        remember {
+            Modifier
+                .width(70.dp)
+                .height(70.dp)
+                .padding(10.dp)
+        }
     ) {
         Box(
             Modifier
@@ -256,23 +268,23 @@ private fun MuteButton(muted: MutableState<Boolean>, modifier: Modifier, toggle:
                 .background(MaterialTheme.colors.background)
         )
 
-        if (muted.value) {
-            IconButton(
-                onClick = toggle,
-                modifier = Modifier.size(50.dp)
-            ) {
+        val mutedInstance = remember { mutableStateOf(DefaultMutedSetting.value) }
+
+        IconButton(
+            onClick = {
+                mutedInstance.value = !mutedInstance.value
+                toggle(mutedInstance.value)
+            },
+            modifier = Modifier.size(50.dp)
+        ) {
+            if (mutedInstance.value) {
                 Icon(
                     imageVector = Icons.Default.VolumeOff,
                     "Hash Verified",
                     tint = MaterialTheme.colors.onBackground,
                     modifier = Modifier.size(30.dp)
                 )
-            }
-        } else {
-            IconButton(
-                onClick = toggle,
-                modifier = Modifier.size(50.dp)
-            ) {
+            } else {
                 Icon(
                     imageVector = Icons.Default.VolumeUp,
                     "Hash Verified",

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ZoomableContentView.kt

@@ -12,6 +12,8 @@ import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.BoxWithConstraints
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ExperimentalLayoutApi
+import androidx.compose.foundation.layout.FlowRow
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.aspectRatio
 import androidx.compose.foundation.layout.fillMaxSize
@@ -36,6 +38,7 @@ import androidx.compose.material.Text
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Report
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -63,9 +66,7 @@ import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
 import coil.annotation.ExperimentalCoilApi
 import coil.compose.AsyncImage
-import coil.compose.AsyncImagePainter
 import coil.imageLoader
-import com.google.accompanist.flowlayout.FlowRow
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.BlurHashRequester
@@ -82,11 +83,13 @@ import net.engawapg.lib.zoomable.zoomable
 import java.io.File
 import java.security.MessageDigest
 
+@Immutable
 abstract class ZoomableContent(
     val description: String? = null,
     val dim: String? = null
 )
 
+@Immutable
 abstract class ZoomableUrlContent(
     val url: String,
     description: String? = null,
@@ -95,6 +98,7 @@ abstract class ZoomableUrlContent(
     val uri: String? = null
 ) : ZoomableContent(description, dim)
 
+@Immutable
 class ZoomableUrlImage(
     url: String,
     description: String? = null,
@@ -104,6 +108,7 @@ class ZoomableUrlImage(
     uri: String? = null
 ) : ZoomableUrlContent(url, description, hash, dim, uri)
 
+@Immutable
 class ZoomableUrlVideo(
     url: String,
     description: String? = null,
@@ -112,6 +117,7 @@ class ZoomableUrlVideo(
     uri: String? = null
 ) : ZoomableUrlContent(url, description, hash, dim, uri)
 
+@Immutable
 abstract class ZoomablePreloadedContent(
     val localFile: File?,
     description: String? = null,
@@ -121,6 +127,7 @@ abstract class ZoomablePreloadedContent(
     val uri: String
 ) : ZoomableContent(description, dim)
 
+@Immutable
 class ZoomableLocalImage(
     localFile: File?,
     mimeType: String? = null,
@@ -131,6 +138,7 @@ class ZoomableLocalImage(
     uri: String
 ) : ZoomablePreloadedContent(localFile, description, mimeType, isVerified, dim, uri)
 
+@Immutable
 class ZoomableLocalVideo(
     localFile: File?,
     mimeType: String? = null,
@@ -201,17 +209,18 @@ fun ZoomableContentView(content: ZoomableContent, images: List<ZoomableContent>
     }
 }
 
+@OptIn(ExperimentalLayoutApi::class)
 @Composable
 private fun LocalImageView(
     content: ZoomableLocalImage,
     mainImageModifier: Modifier
 ) {
-    // store the dialog open or close state
-    var imageState by remember {
-        mutableStateOf<AsyncImagePainter.State?>(null)
-    }
-
     BoxWithConstraints(contentAlignment = Alignment.Center) {
+        // store the dialog open or close state
+        var imageLoadingState by remember {
+            mutableStateOf<Boolean?>(null)
+        }
+
         val myModifier = remember {
             mainImageModifier
                 .widthIn(max = maxWidth)
@@ -233,17 +242,25 @@ private fun LocalImageView(
                 contentDescription = content.description,
                 contentScale = contentScale,
                 modifier = myModifier,
-                onLoading = {
-                    imageState = it
+                onError = {
+                    if (imageLoadingState != false) {
+                        imageLoadingState = false
+                    }
                 },
                 onSuccess = {
-                    imageState = it
+                    if (imageLoadingState != true) {
+                        imageLoadingState = true
+                    }
                 }
             )
         }
 
-        if (imageState is AsyncImagePainter.State.Success) {
-            HashVerificationSymbol(content.isVerified, Modifier.align(Alignment.TopEnd))
+        if (imageLoadingState == true) {
+            if (content.isVerified != null) {
+                HashVerificationSymbol(content.isVerified, Modifier.align(Alignment.TopEnd))
+            }
+        } else if (imageLoadingState == false || content.localFile == null || !content.localFile.exists()) {
+            BlankNote()
         } else {
             if (content.blurhash != null) {
                 DisplayBlurHash(content.blurhash, content.description, contentScale, myModifier)
@@ -253,39 +270,29 @@ private fun LocalImageView(
                 }
             }
         }
-
-        if (imageState is AsyncImagePainter.State.Error || content.localFile == null || !content.localFile.exists()) {
-            BlankNote()
-        }
     }
 }
 
+@OptIn(ExperimentalLayoutApi::class)
 @Composable
 private fun UrlImageView(
     content: ZoomableUrlImage,
     mainImageModifier: Modifier
 ) {
     val scope = rememberCoroutineScope()
-    val context = LocalContext.current
-
-    // store the dialog open or close state
-    var imageState by remember {
-        mutableStateOf<AsyncImagePainter.State?>(null)
-    }
-
-    var verifiedHash by remember {
-        mutableStateOf<Boolean?>(null)
-    }
-
-    LaunchedEffect(key1 = content.url, key2 = imageState) {
-        if (imageState is AsyncImagePainter.State.Success) {
-            scope.launch(Dispatchers.IO) {
-                verifiedHash = verifyHash(content, context)
-            }
-        }
-    }
 
     BoxWithConstraints(contentAlignment = Alignment.Center) {
+        val context = LocalContext.current
+
+        // store the dialog open or close state
+        var imageLoadingStatus by remember {
+            mutableStateOf<Boolean?>(null)
+        }
+
+        var verifiedHash by remember {
+            mutableStateOf<Boolean?>(null)
+        }
+
         val myModifier = remember {
             mainImageModifier
                 .widthIn(max = maxWidth)
@@ -306,16 +313,29 @@ private fun UrlImageView(
             contentDescription = content.description,
             contentScale = contentScale,
             modifier = myModifier,
-            onLoading = {
-                imageState = it
+            onError = {
+                if (imageLoadingStatus != false) {
+                    imageLoadingStatus = false
+                }
             },
             onSuccess = {
-                imageState = it
+                if (verifiedHash == null) {
+                    scope.launch(Dispatchers.IO) {
+                        verifiedHash = verifyHash(content, context)
+                    }
+                }
+                if (imageLoadingStatus != true) {
+                    imageLoadingStatus = true
+                }
             }
         )
 
-        if (imageState is AsyncImagePainter.State.Success) {
-            HashVerificationSymbol(verifiedHash, Modifier.align(Alignment.TopEnd))
+        if (imageLoadingStatus == true) {
+            verifiedHash?.let {
+                HashVerificationSymbol(it, Modifier.align(Alignment.TopEnd))
+            }
+        } else if (imageLoadingStatus == false) {
+            ClickableUrl(urlText = "${content.url} ", url = content.url)
         } else {
             if (content.blurhash != null) {
                 DisplayBlurHash(content.blurhash, content.description, contentScale, myModifier)
@@ -325,10 +345,6 @@ private fun UrlImageView(
                 }
             }
         }
-
-        if (imageState is AsyncImagePainter.State.Error) {
-            ClickableUrl(urlText = "${content.url} ", url = content.url)
-        }
     }
 }
 
@@ -412,10 +428,12 @@ private fun DisplayBlurHash(
 
     val context = LocalContext.current
     AsyncImage(
-        model = BlurHashRequester.imageRequest(
-            context,
-            blurhash
-        ),
+        model = remember {
+            BlurHashRequester.imageRequest(
+                context,
+                blurhash
+            )
+        },
         contentDescription = description,
         contentScale = contentScale,
         modifier = modifier
@@ -514,9 +532,7 @@ private fun verifyHash(content: ZoomableUrlContent, context: Context): Boolean?
 }
 
 @Composable
-private fun HashVerificationSymbol(verifiedHash: Boolean?, modifier: Modifier) {
-    if (verifiedHash == null) return
-
+private fun HashVerificationSymbol(verifiedHash: Boolean, modifier: Modifier) {
     val localContext = LocalContext.current
     val scope = rememberCoroutineScope()
 

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChannelFeedFilter.kt

@@ -1,23 +1,12 @@
 package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Account
-import com.vitorpamplona.amethyst.model.LocalCache
+import com.vitorpamplona.amethyst.model.Channel
 import com.vitorpamplona.amethyst.model.Note
 
-object ChannelFeedFilter : AdditiveFeedFilter<Note>() {
-    lateinit var account: Account
-    var channelId: String? = null
-
-    fun loadMessagesBetween(accountLoggedIn: Account, channelId: String?) {
-        this.account = accountLoggedIn
-        this.channelId = channelId
-    }
-
+class ChannelFeedFilter(val channel: Channel, val account: Account) : AdditiveFeedFilter<Note>() {
     // returns the last Note of each user.
     override fun feed(): List<Note> {
-        val processingChannel = channelId ?: return emptyList()
-        val channel = LocalCache.getOrCreateChannel(processingChannel)
-
         return channel.notes
             .values
             .filter { account.isAcceptable(it) }
@@ -26,9 +15,6 @@ object ChannelFeedFilter : AdditiveFeedFilter<Note>() {
     }
 
     override fun applyFilter(collection: Set<Note>): Set<Note> {
-        val processingChannel = channelId ?: return emptySet()
-        val channel = LocalCache.getOrCreateChannel(processingChannel)
-
         return collection
             .filter { it.idHex in channel.notes.keys && account.isAcceptable(it) }
             .toSet()

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomFeedFilter.kt

@@ -1,51 +1,29 @@
 package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Account
-import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.model.User
 
-object ChatroomFeedFilter : AdditiveFeedFilter<Note>() {
-    var account: Account? = null
-    var withUser: String? = null
-
-    fun loadMessagesBetween(accountIn: Account, userId: String) {
-        account = accountIn
-        withUser = userId
-    }
-
+class ChatroomFeedFilter(val withUser: User, val account: Account) : AdditiveFeedFilter<Note>() {
     // returns the last Note of each user.
     override fun feed(): List<Note> {
-        val processingUser = withUser ?: return emptyList()
-
-        val myAccount = account
-        val myUser = LocalCache.checkGetOrCreateUser(processingUser)
-
-        if (myAccount == null || myUser == null) return emptyList()
-
-        val messages = myAccount
+        val messages = account
             .userProfile()
-            .privateChatrooms[myUser] ?: return emptyList()
+            .privateChatrooms[withUser] ?: return emptyList()
 
         return messages.roomMessages
-            .filter { myAccount.isAcceptable(it) }
+            .filter { account.isAcceptable(it) }
             .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 
     override fun applyFilter(collection: Set<Note>): Set<Note> {
-        val processingUser = withUser ?: return emptySet()
-
-        val myAccount = account
-        val myUser = LocalCache.checkGetOrCreateUser(processingUser)
-
-        if (myAccount == null || myUser == null) return emptySet()
-
-        val messages = myAccount
+        val messages = account
             .userProfile()
-            .privateChatrooms[myUser] ?: return emptySet()
+            .privateChatrooms[withUser] ?: return emptySet()
 
         return collection
-            .filter { it in messages.roomMessages && account?.isAcceptable(it) == true }
+            .filter { it in messages.roomMessages && account.isAcceptable(it) == true }
             .toSet()
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomListKnownFeedFilter.kt

@@ -1,10 +1,16 @@
 package com.vitorpamplona.amethyst.ui.dal
 
+import android.util.Log
 import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
+import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
+import com.vitorpamplona.amethyst.ui.actions.updated
+import kotlin.time.ExperimentalTime
+import kotlin.time.measureTimedValue
 
-object ChatroomListKnownFeedFilter : FeedFilter<Note>() {
-    lateinit var account: Account
+class ChatroomListKnownFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
 
     // returns the last Note of each user.
     override fun feed(): List<Note> {
@@ -35,4 +41,113 @@ object ChatroomListKnownFeedFilter : FeedFilter<Note>() {
             .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
+
+    @OptIn(ExperimentalTime::class)
+    override fun updateListWith(oldList: List<Note>, newItems: Set<Note>): List<Note> {
+        val (feed, elapsed) = measureTimedValue {
+            val me = account.userProfile()
+
+            // Gets the latest message by channel from the new items.
+            val newRelevantPublicMessages = filterRelevantPublicMessages(newItems, account)
+
+            // Gets the latest message by room from the new items.
+            val newRelevantPrivateMessages = filterRelevantPrivateMessages(newItems, account)
+
+            if (newRelevantPrivateMessages.isEmpty() && newRelevantPublicMessages.isEmpty()) {
+                return oldList
+            }
+
+            var myNewList = oldList
+
+            newRelevantPublicMessages.forEach { newNotePair ->
+                oldList.forEach { oldNote ->
+                    if (
+                        (newNotePair.key == oldNote.channelHex()) && (newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)
+                    ) {
+                        myNewList = myNewList.updated(oldNote, newNotePair.value)
+                    }
+                }
+            }
+
+            newRelevantPrivateMessages.forEach { newNotePair ->
+                oldList.forEach { oldNote ->
+                    val oldRoom = (oldNote.event as? PrivateDmEvent)?.talkingWith(me.pubkeyHex)
+
+                    if (
+                        (newNotePair.key == oldRoom) && (newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)
+                    ) {
+                        myNewList = myNewList.updated(oldNote, newNotePair.value)
+                    }
+                }
+            }
+
+            sort(myNewList.toSet()).take(1000)
+        }
+
+        Log.d("Time", "${this.javaClass.simpleName} Modified Additive Feed in $elapsed with ${feed.size} objects")
+        return feed
+    }
+
+    override fun applyFilter(newItems: Set<Note>): Set<Note> {
+        // Gets the latest message by channel from the new items.
+        val newRelevantPublicMessages = filterRelevantPublicMessages(newItems, account)
+
+        // Gets the latest message by room from the new items.
+        val newRelevantPrivateMessages = filterRelevantPrivateMessages(newItems, account)
+
+        return if (newRelevantPrivateMessages.isEmpty() && newRelevantPublicMessages.isEmpty()) {
+            emptySet()
+        } else {
+            (newRelevantPrivateMessages.values + newRelevantPublicMessages.values).toSet()
+        }
+    }
+
+    private fun filterRelevantPublicMessages(newItems: Set<Note>, account: Account): MutableMap<String, Note> {
+        val followingChannels = account.followingChannels
+        val newRelevantPublicMessages = mutableMapOf<String, Note>()
+        newItems.filter { it.event is ChannelMessageEvent }.forEach { newNote ->
+            newNote.channelHex()?.let { channelHex ->
+                if (channelHex in followingChannels && account.isAcceptable(newNote)) {
+                    val lastNote = newRelevantPublicMessages.get(channelHex)
+                    if (lastNote != null) {
+                        if ((newNote.createdAt() ?: 0) > (lastNote.createdAt() ?: 0)) {
+                            newRelevantPublicMessages.put(channelHex, newNote)
+                        }
+                    } else {
+                        newRelevantPublicMessages.put(channelHex, newNote)
+                    }
+                }
+            }
+        }
+        return newRelevantPublicMessages
+    }
+
+    private fun filterRelevantPrivateMessages(newItems: Set<Note>, account: Account): MutableMap<String, Note> {
+        val me = account.userProfile()
+        val followingKeySet = account.followingKeySet()
+
+        val newRelevantPrivateMessages = mutableMapOf<String, Note>()
+        newItems.filter { it.event is PrivateDmEvent }.forEach { newNote ->
+            val roomUserHex = (newNote.event as? PrivateDmEvent)?.talkingWith(me.pubkeyHex)
+            val roomUser = roomUserHex?.let { LocalCache.users[it] }
+
+            if (roomUserHex != null && (newNote.author?.pubkeyHex == me.pubkeyHex || roomUserHex in followingKeySet || me.hasSentMessagesTo(roomUser)) && !account.isHidden(roomUserHex)) {
+                val lastNote = newRelevantPrivateMessages.get(roomUserHex)
+                if (lastNote != null) {
+                    if ((newNote.createdAt() ?: 0) > (lastNote.createdAt() ?: 0)) {
+                        newRelevantPrivateMessages.put(roomUserHex, newNote)
+                    }
+                } else {
+                    newRelevantPrivateMessages.put(roomUserHex, newNote)
+                }
+            }
+        }
+        return newRelevantPrivateMessages
+    }
+
+    override fun sort(collection: Set<Note>): List<Note> {
+        return collection
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
+            .reversed()
+    }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomListNewFeedFilter.kt

@@ -3,13 +3,12 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
 
-object ChatroomListNewFeedFilter : FeedFilter<Note>() {
-    lateinit var account: Account
+class ChatroomListNewFeedFilter(val account: Account) : FeedFilter<Note>() {
 
     // returns the last Note of each user.
     override fun feed(): List<Note> {
         val me = account.userProfile()
-        val followingKeySet = ChatroomListKnownFeedFilter.account.followingKeySet()
+        val followingKeySet = account.followingKeySet()
 
         val privateChatrooms = account.userProfile().privateChatrooms
         val messagingWith = privateChatrooms.keys.filter {

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/FeedFilter.kt

@@ -1,17 +1,20 @@
 package com.vitorpamplona.amethyst.ui.dal
 
 import android.util.Log
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import kotlin.time.ExperimentalTime
 import kotlin.time.measureTimedValue
 
 abstract class FeedFilter<T> {
     @OptIn(ExperimentalTime::class)
     fun loadTop(): List<T> {
+        checkNotInMainThread()
+
         val (feed, elapsed) = measureTimedValue {
             feed()
         }
 
-        Log.d("Time", "${this.javaClass.simpleName} Feed in $elapsed with ${feed.size} objects")
+        Log.d("Time", "${this.javaClass.simpleName} Full Feed in $elapsed with ${feed.size} objects")
         return feed.take(1000)
     }
 
@@ -23,7 +26,9 @@ abstract class AdditiveFeedFilter<T> : FeedFilter<T>() {
     abstract fun sort(collection: Set<T>): List<T>
 
     @OptIn(ExperimentalTime::class)
-    fun updateListWith(oldList: List<T>, newItems: Set<T>): List<T> {
+    open fun updateListWith(oldList: List<T>, newItems: Set<T>): List<T> {
+        checkNotInMainThread()
+
         val (feed, elapsed) = measureTimedValue {
             val newItemsToBeAdded = applyFilter(newItems)
             if (newItemsToBeAdded.isNotEmpty()) {
@@ -34,7 +39,7 @@ abstract class AdditiveFeedFilter<T> : FeedFilter<T>() {
             }
         }
 
-        Log.d("Time", "${this.javaClass.simpleName} Feed in $elapsed with ${feed.size} objects")
+        Log.d("Time", "${this.javaClass.simpleName} Additive Feed in $elapsed with ${feed.size} objects")
         return feed
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/GlobalFeedFilter.kt

@@ -5,8 +5,7 @@ import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.model.*
 
-object GlobalFeedFilter : AdditiveFeedFilter<Note>() {
-    lateinit var account: Account
+class GlobalFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
 
     override fun feed(): List<Note> {
         val notes = innerApplyFilter(LocalCache.notes.values)

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/HiddenAccountsFeedFilter.kt

@@ -3,8 +3,7 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.User
 
-object HiddenAccountsFeedFilter : FeedFilter<User>() {
-    lateinit var account: Account
+class HiddenAccountsFeedFilter(val account: Account) : FeedFilter<User>() {
 
     override fun feed() = account.hiddenUsers()
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/HomeConversationsFeedFilter.kt

@@ -6,9 +6,7 @@ import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.model.PollNoteEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 
-object HomeConversationsFeedFilter : AdditiveFeedFilter<Note>() {
-    lateinit var account: Account
-
+class HomeConversationsFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
     override fun feed(): List<Note> {
         return sort(innerApplyFilter(LocalCache.notes.values))
     }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/HomeNewThreadFeedFilter.kt

@@ -10,9 +10,7 @@ import com.vitorpamplona.amethyst.service.model.PollNoteEvent
 import com.vitorpamplona.amethyst.service.model.RepostEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 
-object HomeNewThreadFeedFilter : AdditiveFeedFilter<Note>() {
-    lateinit var account: Account
-
+class HomeNewThreadFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
     override fun feed(): List<Note> {
         val notes = innerApplyFilter(LocalCache.notes.values)
         val longFormNotes = innerApplyFilter(LocalCache.addressables.values)

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/NotificationFeedFilter.kt

@@ -2,14 +2,12 @@ package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
+import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.model.*
 
-object NotificationFeedFilter : AdditiveFeedFilter<Note>() {
-    lateinit var account: Account
-
+class NotificationFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
     override fun feed(): List<Note> {
         return sort(innerApplyFilter(LocalCache.notes.values))
     }
@@ -36,7 +34,7 @@ object NotificationFeedFilter : AdditiveFeedFilter<Note>() {
                 (isGlobal || it.author?.pubkeyHex in followingKeySet) &&
                 it.event?.isTaggedUser(loggedInUserHex) ?: false &&
                 (it.author == null || !account.isHidden(it.author!!.pubkeyHex)) &&
-                tagsAnEventByUser(it, loggedInUser)
+                tagsAnEventByUser(it, loggedInUserHex)
         }.toSet()
     }
 
@@ -44,27 +42,27 @@ object NotificationFeedFilter : AdditiveFeedFilter<Note>() {
         return collection.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
     }
 
-    fun tagsAnEventByUser(note: Note, author: User): Boolean {
+    fun tagsAnEventByUser(note: Note, authorHex: HexKey): Boolean {
         val event = note.event
 
         if (event is BaseTextNoteEvent) {
             val isAuthoredPostCited = event.findCitations().any {
-                LocalCache.notes[it]?.author === author || LocalCache.addressables[it]?.author === author
+                LocalCache.notes[it]?.author?.pubkeyHex == authorHex || LocalCache.addressables[it]?.author?.pubkeyHex == authorHex
             }
 
             return isAuthoredPostCited ||
                 (
-                    event.citedUsers().contains(author.pubkeyHex) ||
-                        note.replyTo?.any { it.author === author } == true
+                    event.citedUsers().contains(authorHex) ||
+                        note.replyTo?.any { it.author?.pubkeyHex == authorHex } == true
                     )
         }
 
         if (event is ReactionEvent) {
-            return note.replyTo?.lastOrNull()?.author === author
+            return note.replyTo?.lastOrNull()?.author?.pubkeyHex == authorHex
         }
 
         if (event is RepostEvent) {
-            return note.replyTo?.lastOrNull()?.author === author
+            return note.replyTo?.lastOrNull()?.author?.pubkeyHex == authorHex
         }
 
         return true

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ThreadFeedFilter.kt

@@ -1,21 +1,18 @@
 package com.vitorpamplona.amethyst.ui.dal
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.ThreadAssembler
 
-object ThreadFeedFilter : FeedFilter<Note>() {
-    var noteId: String? = null
+@Immutable
+class ThreadFeedFilter(val noteId: String) : FeedFilter<Note>() {
 
     override fun feed(): List<Note> {
         val cachedSignatures: MutableMap<Note, String> = mutableMapOf()
-        val eventsToWatch = noteId?.let { ThreadAssembler().findThreadFor(it) } ?: emptySet()
+        val eventsToWatch = ThreadAssembler().findThreadFor(noteId) ?: emptySet()
         // Currently orders by date of each event, descending, at each level of the reply stack
         val order = compareByDescending<Note> { it.replyLevelSignature(cachedSignatures) }
 
         return eventsToWatch.sortedWith(order)
     }
-
-    fun loadThread(noteId: String?) {
-        this.noteId = noteId
-    }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileAppRecommendationsFeedFilter.kt

@@ -0,0 +1,21 @@
+package com.vitorpamplona.amethyst.ui.dal
+
+import com.vitorpamplona.amethyst.model.LocalCache
+import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.model.AppRecommendationEvent
+
+class UserProfileAppRecommendationsFeedFilter(val user: User) : FeedFilter<Note>() {
+    override fun feed(): List<Note> {
+        val recommendations = LocalCache.addressables.values.filter {
+            (it.event as? AppRecommendationEvent)?.pubKey == user.pubkeyHex
+        }.mapNotNull {
+            (it.event as? AppRecommendationEvent)?.recommendations()
+        }.flatten()
+            .mapNotNull {
+                LocalCache.getOrCreateAddressableNote(it)
+            }.toSet().toList()
+
+        return recommendations
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileFollowersFeedFilter.kt

@@ -4,18 +4,9 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
 
-object UserProfileFollowersFeedFilter : FeedFilter<User>() {
-    lateinit var account: Account
-    var user: User? = null
-
-    fun loadUserProfile(accountLoggedIn: Account, user: User?) {
-        account = accountLoggedIn
-        this.user = user
-    }
+class UserProfileFollowersFeedFilter(val user: User, val account: Account) : FeedFilter<User>() {
 
     override fun feed(): List<User> {
-        return user?.let { myUser ->
-            LocalCache.users.values.filter { it.isFollowing(myUser) && account.isAcceptable(it) }
-        } ?: emptyList()
+        return LocalCache.users.values.filter { it.isFollowing(user) && !account.isHidden(it) }
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileFollowsFeedFilter.kt

@@ -3,21 +3,25 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.model.ContactListEvent
 
-object UserProfileFollowsFeedFilter : FeedFilter<User>() {
-    lateinit var account: Account
-    var user: User? = null
+class UserProfileFollowsFeedFilter(val user: User, val account: Account) : FeedFilter<User>() {
 
-    fun loadUserProfile(accountLoggedIn: Account, user: User?) {
-        account = accountLoggedIn
-        this.user = user
-    }
+    val cache: MutableMap<ContactListEvent, List<User>> = mutableMapOf()
 
     override fun feed(): List<User> {
-        return user?.latestContactList?.unverifiedFollowKeySet()?.mapNotNull {
-            LocalCache.checkGetOrCreateUser(it)
-        }?.toSet()
-            ?.filter { account.isAcceptable(it) }
+        val contactList = user.latestContactList ?: return emptyList()
+
+        val previousList = cache[contactList]
+        if (previousList != null) return previousList
+
+        cache[contactList] = user.latestContactList
+            ?.unverifiedFollowKeySet()?.mapNotNull {
+                LocalCache.checkGetOrCreateUser(it)
+            }?.toSet()
+            ?.filter { !account.isHidden(it) }
             ?.reversed() ?: emptyList()
+
+        return cache[contactList] ?: emptyList()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileNewThreadFeedFilter.kt

@@ -4,6 +4,7 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.model.AppRecommendationEvent
 import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
 import com.vitorpamplona.amethyst.service.model.PeopleListEvent
 
@@ -18,7 +19,7 @@ object UserProfileNewThreadFeedFilter : FeedFilter<Note>() {
 
     override fun feed(): List<Note> {
         val longFormNotes = LocalCache.addressables.values
-            .filter { it.author == user && (it.event !is PeopleListEvent && it.event !is BookmarkListEvent) }
+            .filter { it.author == user && (it.event !is PeopleListEvent && it.event !is BookmarkListEvent && it.event !is AppRecommendationEvent) }
 
         return user?.notes
             ?.plus(longFormNotes)

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileReportsFeedFilter.kt

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.ui.dal
 
+import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.model.ReportEvent
 
 object UserProfileReportsFeedFilter : FeedFilter<Note>() {
     var user: User? = null
@@ -11,10 +13,12 @@ object UserProfileReportsFeedFilter : FeedFilter<Note>() {
     }
 
     override fun feed(): List<Note> {
-        return user?.reports
-            ?.values
-            ?.flatten()
-            ?.sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
-            ?.reversed() ?: emptyList()
+        val myUser = user ?: return emptyList()
+
+        val reportNotes = LocalCache.notes.values.filter { (it.event as? ReportEvent)?.isTaggedUser(myUser.pubkeyHex) == true }
+
+        return reportNotes
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
+            .reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileZapsFeedFilter.kt

@@ -1,17 +1,11 @@
 package com.vitorpamplona.amethyst.ui.dal
 
-import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.model.zaps.UserZaps
+import com.vitorpamplona.amethyst.ui.screen.ZapReqResponse
 
-object UserProfileZapsFeedFilter : FeedFilter<Pair<Note, Note>>() {
-    var user: User? = null
-
-    fun loadUserProfile(user: User?) {
-        this.user = user
-    }
-
-    override fun feed(): List<Pair<Note, Note>> {
-        return UserZaps.forProfileFeed(user?.zaps)
+class UserProfileZapsFeedFilter(val user: User) : FeedFilter<ZapReqResponse>() {
+    override fun feed(): List<ZapReqResponse> {
+        return UserZaps.forProfileFeed(user.zaps)
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/VideoFeedFilter.kt

@@ -6,9 +6,7 @@ import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.model.*
 
-object VideoFeedFilter : AdditiveFeedFilter<Note>() {
-    lateinit var account: Account
-
+class VideoFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
     override fun feed(): List<Note> {
         val notes = innerApplyFilter(LocalCache.notes.values)
 

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AccountSwitchBottomSheet.kt

@@ -26,6 +26,8 @@ import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material.icons.filled.Logout
 import androidx.compose.material.icons.filled.RadioButtonChecked
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
@@ -37,12 +39,15 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
+import com.vitorpamplona.amethyst.AccountInfo
 import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.LocalCache
+import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.model.decodePublicKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
@@ -52,6 +57,9 @@ import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import com.vitorpamplona.amethyst.ui.screen.AccountStateViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedOff.LoginPage
+import kotlinx.collections.immutable.toImmutableList
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 @Composable
 fun AccountSwitchBottomSheet(
@@ -59,11 +67,6 @@ fun AccountSwitchBottomSheet(
     accountStateViewModel: AccountStateViewModel
 ) {
     val accounts = LocalPreferences.allSavedAccounts()
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = accountState?.account ?: return
-
-    val accountUserState by account.userProfile().live().metadata.observeAsState()
-    val accountUser = accountUserState?.user ?: return
 
     var popupExpanded by remember { mutableStateOf(false) }
     val scrollState = rememberScrollState()
@@ -79,108 +82,7 @@ fun AccountSwitchBottomSheet(
             Text(stringResource(R.string.account_switch_select_account), fontWeight = FontWeight.Bold)
         }
         accounts.forEach { acc ->
-            val current = accountUser.pubkeyNpub() == acc.npub
-
-            val baseUser = try {
-                LocalCache.getOrCreateUser(decodePublicKey(acc.npub).toHexKey())
-            } catch (e: Exception) {
-                null
-            }
-
-            if (baseUser != null) {
-                val userState by baseUser.live().metadata.observeAsState()
-                val user = userState?.user ?: return
-
-                Row(
-                    modifier = Modifier.fillMaxWidth(),
-                    verticalAlignment = Alignment.CenterVertically
-                ) {
-                    Row(
-                        modifier = Modifier
-                            .weight(1f)
-                            .clickable {
-                                accountStateViewModel.switchUser(acc.npub)
-                            },
-                        verticalAlignment = Alignment.CenterVertically
-                    ) {
-                        Row(
-                            modifier = Modifier
-                                .padding(16.dp, 16.dp)
-                                .weight(1f),
-                            verticalAlignment = Alignment.CenterVertically
-                        ) {
-                            Box(
-                                modifier = Modifier
-                                    .width(55.dp)
-                                    .padding(0.dp)
-                            ) {
-                                RobohashAsyncImageProxy(
-                                    robot = user.pubkeyHex,
-                                    model = ResizeImage(user.profilePicture(), 55.dp),
-                                    contentDescription = stringResource(R.string.profile_image),
-                                    modifier = Modifier
-                                        .width(55.dp)
-                                        .height(55.dp)
-                                        .clip(shape = CircleShape)
-                                )/*
-                                Box(
-                                    modifier = Modifier
-                                        .size(20.dp)
-                                        .align(Alignment.TopEnd)
-                                ) {
-                                    if (acc.hasPrivKey) {
-                                        Icon(
-                                            imageVector = Icons.Default.Key,
-                                            contentDescription = stringResource(R.string.account_switch_has_private_key),
-                                            modifier = Modifier.size(20.dp),
-                                            tint = MaterialTheme.colors.primary
-                                        )
-                                    } else {
-                                        Icon(
-                                            imageVector = Icons.Default.Visibility,
-                                            contentDescription = stringResource(R.string.account_switch_pubkey_only),
-                                            modifier = Modifier.size(20.dp),
-                                            tint = MaterialTheme.colors.primary
-                                        )
-                                    }
-                                }*/
-                            }
-                            Spacer(modifier = Modifier.width(16.dp))
-                            Column(modifier = Modifier.weight(1f)) {
-                                val npubShortHex = acc.npub.toShortenHex()
-
-                                user.bestDisplayName()?.let {
-                                    CreateTextWithEmoji(
-                                        text = it,
-                                        tags = user.info?.latestMetadata?.tags
-                                    )
-                                }
-
-                                Text(npubShortHex)
-                            }
-                            Column(modifier = Modifier.width(32.dp)) {
-                                if (current) {
-                                    Icon(
-                                        imageVector = Icons.Default.RadioButtonChecked,
-                                        contentDescription = stringResource(R.string.account_switch_active_account),
-                                        tint = MaterialTheme.colors.secondary
-                                    )
-                                }
-                            }
-                        }
-                    }
-
-                    IconButton(
-                        onClick = { accountStateViewModel.logOff(acc.npub) }
-                    ) {
-                        Icon(
-                            imageVector = Icons.Default.Logout,
-                            contentDescription = stringResource(R.string.log_out),
-                            tint = MaterialTheme.colors.onSurface
-                        )
-                    }
-                }
-            }
+            DisplayAccount(acc, accountViewModel, accountStateViewModel)
         }
         Row(
             modifier = Modifier
@@ -222,3 +124,140 @@ fun AccountSwitchBottomSheet(
         }
     }
 }
+
+@Composable
+fun DisplayAccount(
+    acc: AccountInfo,
+    accountViewModel: AccountViewModel,
+    accountStateViewModel: AccountStateViewModel
+) {
+    var baseUser by remember { mutableStateOf<User?>(null) }
+
+    LaunchedEffect(key1 = acc.npub) {
+        launch(Dispatchers.IO) {
+            baseUser = try {
+                LocalCache.getOrCreateUser(decodePublicKey(acc.npub).toHexKey())
+            } catch (e: Exception) {
+                null
+            }
+        }
+    }
+
+    baseUser?.let {
+        Row(
+            modifier = Modifier.fillMaxWidth().clickable {
+                accountStateViewModel.switchUser(acc.npub)
+            }.padding(16.dp, 16.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Row(
+                modifier = Modifier.weight(1f),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Row(
+                    modifier = Modifier.weight(1f),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Box(
+                        modifier = Modifier.width(55.dp).padding(0.dp)
+                    ) {
+                        AccountPicture(it)
+                    }
+                    Spacer(modifier = Modifier.width(16.dp))
+                    Column(modifier = Modifier.weight(1f)) {
+                        AccountName(acc, it)
+                    }
+                    Column(modifier = Modifier.width(32.dp)) {
+                        ActiveMarker(acc, accountViewModel)
+                    }
+                }
+            }
+
+            LogoutButton(acc, accountStateViewModel)
+        }
+    }
+}
+
+@Composable
+private fun ActiveMarker(acc: AccountInfo, accountViewModel: AccountViewModel) {
+    val isCurrentUser by remember(accountViewModel) {
+        derivedStateOf {
+            accountViewModel.account.userProfile().pubkeyNpub() == acc.npub
+        }
+    }
+
+    if (isCurrentUser) {
+        Icon(
+            imageVector = Icons.Default.RadioButtonChecked,
+            contentDescription = stringResource(R.string.account_switch_active_account),
+            tint = MaterialTheme.colors.secondary
+        )
+    }
+}
+
+@Composable
+private fun AccountPicture(user: User) {
+    val userState by user.live().metadata.observeAsState()
+    val profilePicture by remember(userState) {
+        derivedStateOf {
+            ResizeImage(userState?.user?.profilePicture(), 55.dp)
+        }
+    }
+
+    RobohashAsyncImageProxy(
+        robot = remember(user) { user.pubkeyHex },
+        model = profilePicture,
+        contentDescription = stringResource(R.string.profile_image),
+        modifier = Modifier
+            .width(55.dp)
+            .height(55.dp)
+            .clip(shape = CircleShape)
+    )
+}
+
+@Composable
+private fun AccountName(
+    acc: AccountInfo,
+    user: User
+) {
+    val userState by user.live().metadata.observeAsState()
+    val displayName by remember(userState) {
+        derivedStateOf {
+            user.bestDisplayName()
+        }
+    }
+    val tags by remember(userState) {
+        derivedStateOf {
+            user.info?.latestMetadata?.tags?.toImmutableList()
+        }
+    }
+
+    displayName?.let {
+        CreateTextWithEmoji(
+            text = it,
+            tags = tags,
+            maxLines = 1,
+            overflow = TextOverflow.Ellipsis
+        )
+    }
+
+    Text(
+        text = remember(user) { acc.npub.toShortenHex() }
+    )
+}
+
+@Composable
+private fun LogoutButton(
+    acc: AccountInfo,
+    accountStateViewModel: AccountStateViewModel
+) {
+    IconButton(
+        onClick = { accountStateViewModel.logOff(acc.npub) }
+    ) {
+        Icon(
+            imageVector = Icons.Default.Logout,
+            contentDescription = stringResource(R.string.log_out),
+            tint = MaterialTheme.colors.onSurface
+        )
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AppBottomBar.kt

@@ -110,36 +110,16 @@ private fun RowScope.HasNewItemsIcon(
     accountViewModel: AccountViewModel,
     navController: NavHostController
 ) {
+    var hasNewItems by remember { mutableStateOf(false) }
+
+    WatchPossibleNotificationChanges(route, accountViewModel) {
+        if (it != hasNewItems) {
+            hasNewItems = it
+        }
+    }
+
     val scope = rememberCoroutineScope()
 
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = remember(accountState) { accountState?.account } ?: return
-
-    val notifState by NotificationCache.live.observeAsState()
-    val notif = remember(notifState) { notifState?.cache } ?: return
-
-    var hasNewItems by remember { mutableStateOf<Boolean>(false) }
-
-    LaunchedEffect(key1 = notifState, key2 = accountState) {
-        scope.launch(Dispatchers.IO) {
-            val newHasNewItems = route.hasNewItems(account, notif, emptySet())
-            if (newHasNewItems != hasNewItems) {
-                hasNewItems = newHasNewItems
-            }
-        }
-    }
-
-    LaunchedEffect(accountState) {
-        scope.launch(Dispatchers.IO) {
-            LocalCache.live.newEventBundles.collect {
-                val newHasNewItems = route.hasNewItems(account, notif, it)
-                if (newHasNewItems != hasNewItems) {
-                    hasNewItems = newHasNewItems
-                }
-            }
-        }
-    }
-
     BottomIcon(
         icon = route.icon,
         size = if ("Home" == route.base) 25.dp else 23.dp,
@@ -151,21 +131,14 @@ private fun RowScope.HasNewItemsIcon(
         scope.launch {
             if (!selected) {
                 navController.navigate(route.base) {
-                    navController.graph.startDestinationRoute?.let { start ->
-                        popUpTo(start)
-                        restoreState = true
-                    }
+                    popUpTo(Route.Home.route)
                     launchSingleTop = true
                     restoreState = true
                 }
             } else {
                 val newRoute = route.route.replace("{scrollToTop}", "true")
                 navController.navigate(newRoute) {
-                    navController.graph.startDestinationRoute?.let { start ->
-                        popUpTo(start) { inclusive = route.route == Route.Home.route }
-                        restoreState = true
-                    }
-
+                    popUpTo(Route.Home.route)
                     launchSingleTop = true
                     restoreState = true
                 }
@@ -174,6 +147,35 @@ private fun RowScope.HasNewItemsIcon(
     }
 }
 
+@Composable
+fun WatchPossibleNotificationChanges(
+    route: Route,
+    accountViewModel: AccountViewModel,
+    onChange: (Boolean) -> Unit
+) {
+    val accountState by accountViewModel.accountLiveData.observeAsState()
+    val account = remember(accountState) { accountState?.account } ?: return
+
+    val notifState by NotificationCache.live.observeAsState()
+    val notif = remember(notifState) { notifState?.cache } ?: return
+
+    LaunchedEffect(key1 = notifState, key2 = accountState) {
+        launch(Dispatchers.IO) {
+            onChange(route.hasNewItems(account, notif, emptySet()))
+        }
+    }
+
+    LaunchedEffect(Unit) {
+        launch(Dispatchers.IO) {
+            LocalCache.live.newEventBundles.collect {
+                launch(Dispatchers.IO) {
+                    onChange(route.hasNewItems(account, notif, it))
+                }
+            }
+        }
+    }
+}
+
 @Composable
 private fun RowScope.BottomIcon(
     icon: Int,
@@ -209,27 +211,30 @@ private fun RowScope.BottomIcon(
 
 @Composable
 private fun NotifiableIcon(icon: Int, size: Dp, iconSize: Dp, selected: Boolean, hasNewItems: Boolean) {
-    Box(Modifier.size(size)) {
+    Box(remember { Modifier.size(size) }) {
         Icon(
             painter = painterResource(id = icon),
             contentDescription = null,
-            modifier = Modifier.size(iconSize),
+            modifier = remember { Modifier.size(iconSize) },
             tint = if (selected) MaterialTheme.colors.primary else Color.Unspecified
         )
 
         if (hasNewItems) {
             Box(
-                Modifier
-                    .width(10.dp)
-                    .height(10.dp)
-                    .align(Alignment.TopEnd)
-            ) {
-                Box(
-                    modifier = Modifier
+                remember {
+                    Modifier
                         .width(10.dp)
                         .height(10.dp)
-                        .clip(shape = CircleShape)
-                        .background(MaterialTheme.colors.primary),
+                        .align(Alignment.TopEnd)
+                }
+            ) {
+                Box(
+                    modifier = remember {
+                        Modifier
+                            .width(10.dp)
+                            .height(10.dp)
+                            .clip(shape = CircleShape)
+                    }.background(MaterialTheme.colors.primary),
                     contentAlignment = Alignment.TopEnd
                 ) {
                     Text(
@@ -237,9 +242,11 @@ private fun NotifiableIcon(icon: Int, size: Dp, iconSize: Dp, selected: Boolean,
                         color = Color.White,
                         textAlign = TextAlign.Center,
                         fontSize = 12.sp,
-                        modifier = Modifier
-                            .wrapContentHeight()
-                            .align(Alignment.TopEnd)
+                        modifier = remember {
+                            Modifier
+                                .wrapContentHeight()
+                                .align(Alignment.TopEnd)
+                        }
                     )
                 }
             }

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AppNavigation.kt

@@ -1,25 +1,17 @@
 package com.vitorpamplona.amethyst.ui.navigation
 
-import androidx.compose.foundation.ExperimentalFoundationApi
-import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
-import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
-import com.vitorpamplona.amethyst.ui.dal.GlobalFeedFilter
-import com.vitorpamplona.amethyst.ui.dal.HomeConversationsFeedFilter
-import com.vitorpamplona.amethyst.ui.dal.HomeNewThreadFeedFilter
-import com.vitorpamplona.amethyst.ui.dal.NotificationFeedFilter
-import com.vitorpamplona.amethyst.ui.dal.VideoFeedFilter
 import com.vitorpamplona.amethyst.ui.note.UserReactionsViewModel
+import com.vitorpamplona.amethyst.ui.screen.NostrChatroomListKnownFeedViewModel
+import com.vitorpamplona.amethyst.ui.screen.NostrChatroomListNewFeedViewModel
 import com.vitorpamplona.amethyst.ui.screen.NostrGlobalFeedViewModel
 import com.vitorpamplona.amethyst.ui.screen.NostrHomeFeedViewModel
 import com.vitorpamplona.amethyst.ui.screen.NostrHomeRepliesFeedViewModel
@@ -39,50 +31,26 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.ProfileScreen
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.SearchScreen
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.ThreadScreen
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.VideoScreen
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 
-@OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun AppNavigation(
+    homeFeedViewModel: NostrHomeFeedViewModel,
+    repliesFeedViewModel: NostrHomeRepliesFeedViewModel,
+    knownFeedViewModel: NostrChatroomListKnownFeedViewModel,
+    newFeedViewModel: NostrChatroomListNewFeedViewModel,
+    searchFeedViewModel: NostrGlobalFeedViewModel,
+    videoFeedViewModel: NostrVideoFeedViewModel,
+    notifFeedViewModel: NotificationViewModel,
+    userReactionsStatsModel: UserReactionsViewModel,
+
     navController: NavHostController,
     accountViewModel: AccountViewModel,
     nextPage: String? = null
 ) {
-    val homePagerState = rememberPagerState()
     var actionableNextPage by remember { mutableStateOf<String?>(nextPage) }
 
-    // Avoids creating ViewModels for performance reasons (up to 1 second delays)
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = remember(accountState) { accountState?.account } ?: return
-    val accountHex = remember(accountState) { accountState?.account?.userProfile()?.pubkeyHex }
-
-    HomeNewThreadFeedFilter.account = account
-    HomeConversationsFeedFilter.account = account
-
-    val homeFeedViewModel: NostrHomeFeedViewModel = viewModel()
-    val repliesFeedViewModel: NostrHomeRepliesFeedViewModel = viewModel()
-
-    GlobalFeedFilter.account = account
-    val searchFeedViewModel: NostrGlobalFeedViewModel = viewModel()
-
-    VideoFeedFilter.account = account
-    val videoFeedViewModel: NostrVideoFeedViewModel = viewModel()
-
-    NotificationFeedFilter.account = account
-    val notifFeedViewModel: NotificationViewModel = viewModel()
-
-    val userReactionsStatsModel: UserReactionsViewModel = viewModel()
-    val scope = rememberCoroutineScope()
-
-    LaunchedEffect(accountHex) {
-        scope.launch(Dispatchers.IO) {
-            userReactionsStatsModel.load(account.userProfile())
-            userReactionsStatsModel.initializeSuspend()
-        }
-    }
-
     val nav = remember {
         { route: String ->
             if (getRouteWithArguments(navController) != route) {
@@ -96,23 +64,16 @@ fun AppNavigation(
             composable(route.route, route.arguments, content = {
                 val scrollToTop = it.arguments?.getBoolean("scrollToTop") ?: false
 
+                if (scrollToTop) {
+                    videoFeedViewModel.sendToTop()
+                    it.arguments?.remove("scrollToTop")
+                }
+
                 VideoScreen(
                     videoFeedView = videoFeedViewModel,
                     accountViewModel = accountViewModel,
-                    nav = nav,
-                    scrollToTop = scrollToTop
+                    nav = nav
                 )
-
-                // Avoids running scroll to top when back button is pressed
-                // Changes this on a thread to avoid changing before it finishes the composition
-                if (scrollToTop) {
-                    LaunchedEffect(key1 = Unit) {
-                        scope.launch {
-                            delay(1000)
-                            it.arguments?.remove("scrollToTop")
-                        }
-                    }
-                }
             })
         }
 
@@ -120,23 +81,16 @@ fun AppNavigation(
             composable(route.route, route.arguments, content = {
                 val scrollToTop = it.arguments?.getBoolean("scrollToTop") ?: false
 
+                if (scrollToTop) {
+                    searchFeedViewModel.sendToTop()
+                    it.arguments?.remove("scrollToTop")
+                }
+
                 SearchScreen(
                     searchFeedViewModel = searchFeedViewModel,
                     accountViewModel = accountViewModel,
-                    nav = nav,
-                    scrollToTop = scrollToTop
+                    nav = nav
                 )
-
-                // Avoids running scroll to top when back button is pressed
-                // Changes this on a thread to avoid changing before it finishes the composition
-                if (scrollToTop) {
-                    LaunchedEffect(key1 = Unit) {
-                        scope.launch {
-                            delay(1000)
-                            it.arguments?.remove("scrollToTop")
-                        }
-                    }
-                }
             })
         }
 
@@ -145,28 +99,23 @@ fun AppNavigation(
                 val scrollToTop = it.arguments?.getBoolean("scrollToTop") ?: false
                 val nip47 = it.arguments?.getString("nip47")
 
+                if (scrollToTop) {
+                    homeFeedViewModel.sendToTop()
+                    repliesFeedViewModel.sendToTop()
+                    it.arguments?.remove("scrollToTop")
+                }
+
                 HomeScreen(
                     homeFeedViewModel = homeFeedViewModel,
                     repliesFeedViewModel = repliesFeedViewModel,
                     accountViewModel = accountViewModel,
                     nav = nav,
-                    pagerState = homePagerState,
-                    scrollToTop = scrollToTop,
                     nip47 = nip47
                 )
 
-                // Avoids running scroll to top when back button is pressed
-                if (scrollToTop) {
-                    LaunchedEffect(key1 = Unit) {
-                        scope.launch {
-                            delay(1000)
-                            it.arguments?.remove("scrollToTop")
-                        }
-                    }
-                }
                 if (nip47 != null) {
                     LaunchedEffect(key1 = Unit) {
-                        scope.launch {
+                        launch {
                             delay(1000)
                             it.arguments?.remove("nip47")
                         }
@@ -179,28 +128,33 @@ fun AppNavigation(
             composable(route.route, route.arguments, content = {
                 val scrollToTop = it.arguments?.getBoolean("scrollToTop") ?: false
 
+                if (scrollToTop) {
+                    notifFeedViewModel.clear()
+                    notifFeedViewModel.sendToTop()
+                    it.arguments?.remove("scrollToTop")
+                }
+
                 NotificationScreen(
                     notifFeedViewModel = notifFeedViewModel,
                     userReactionsStatsModel = userReactionsStatsModel,
                     accountViewModel = accountViewModel,
-                    nav = nav,
-                    scrollToTop = scrollToTop
+                    nav = nav
                 )
-
-                // Avoids running scroll to top when back button is pressed
-                // Changes this on a thread to avoid changing before it finishes the composition
-                if (scrollToTop) {
-                    LaunchedEffect(key1 = Unit) {
-                        scope.launch {
-                            delay(1000)
-                            it.arguments?.remove("scrollToTop")
-                        }
-                    }
-                }
             })
         }
 
-        composable(Route.Message.route, content = { ChatroomListScreen(accountViewModel, nav) })
+        composable(
+            Route.Message.route,
+            content = {
+                ChatroomListScreen(
+                    knownFeedViewModel,
+                    newFeedViewModel,
+                    accountViewModel,
+                    nav
+                )
+            }
+        )
+
         composable(Route.BlockedUsers.route, content = { HiddenUsersScreen(accountViewModel, nav) })
         composable(Route.Bookmarks.route, content = { BookmarkListScreen(accountViewModel, nav) })
 
@@ -258,7 +212,6 @@ fun AppNavigation(
             composable(route.route, route.arguments, content = {
                 LoadRedirectScreen(
                     eventId = it.arguments?.getString("id"),
-                    accountViewModel = accountViewModel,
                     navController = navController
                 )
             })

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AppTopBar.kt

@@ -26,6 +26,8 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material.icons.filled.ExpandMore
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
@@ -42,6 +44,7 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewModelScope
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
@@ -51,7 +54,6 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
 import com.vitorpamplona.amethyst.model.KIND3_FOLLOWS
 import com.vitorpamplona.amethyst.model.LocalCache
-import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.NostrAccountDataSource
 import com.vitorpamplona.amethyst.service.NostrChannelDataSource
 import com.vitorpamplona.amethyst.service.NostrChatroomDataSource
@@ -65,6 +67,7 @@ import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
 import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
 import com.vitorpamplona.amethyst.service.NostrThreadDataSource
 import com.vitorpamplona.amethyst.service.NostrUserProfileDataSource
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.PeopleListEvent
 import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.service.relays.RelayPool
@@ -72,13 +75,18 @@ import com.vitorpamplona.amethyst.ui.actions.NewRelayListView
 import com.vitorpamplona.amethyst.ui.components.ResizeImage
 import com.vitorpamplona.amethyst.ui.components.RobohashAsyncImageProxy
 import com.vitorpamplona.amethyst.ui.screen.RelayPoolViewModel
+import com.vitorpamplona.amethyst.ui.screen.equalImmutableLists
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.SpinnerSelectionDialog
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.toImmutableList
+import kotlinx.collections.immutable.toPersistentList
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 
 @Composable
 fun AppTopBar(followLists: FollowListViewModel, navController: NavHostController, scaffoldState: ScaffoldState, accountViewModel: AccountViewModel) {
@@ -93,27 +101,63 @@ fun AppTopBar(followLists: FollowListViewModel, navController: NavHostController
 
 @Composable
 fun StoriesTopBar(followLists: FollowListViewModel, scaffoldState: ScaffoldState, accountViewModel: AccountViewModel) {
-    GenericTopBar(scaffoldState, accountViewModel) { account ->
-        FollowList(followLists, account.defaultStoriesFollowList, account.userProfile(), true) { listName ->
-            account.changeDefaultStoriesFollowList(listName)
+    GenericTopBar(scaffoldState, accountViewModel) { accountViewModel ->
+        val accountState by accountViewModel.accountLiveData.observeAsState()
+
+        val list by remember(accountState) {
+            derivedStateOf {
+                accountState?.account?.defaultStoriesFollowList ?: GLOBAL_FOLLOWS
+            }
+        }
+
+        FollowList(
+            followLists,
+            list,
+            true
+        ) { listName ->
+            accountViewModel.account.changeDefaultStoriesFollowList(listName)
         }
     }
 }
 
 @Composable
 fun HomeTopBar(followLists: FollowListViewModel, scaffoldState: ScaffoldState, accountViewModel: AccountViewModel) {
-    GenericTopBar(scaffoldState, accountViewModel) { account ->
-        FollowList(followLists, account.defaultHomeFollowList, account.userProfile(), false) { listName ->
-            account.changeDefaultHomeFollowList(listName)
+    GenericTopBar(scaffoldState, accountViewModel) { accountViewModel ->
+        val accountState by accountViewModel.accountLiveData.observeAsState()
+
+        val list by remember(accountState) {
+            derivedStateOf {
+                accountState?.account?.defaultHomeFollowList ?: GLOBAL_FOLLOWS
+            }
+        }
+
+        FollowList(
+            followLists,
+            list,
+            false
+        ) { listName ->
+            accountViewModel.account.changeDefaultHomeFollowList(listName)
         }
     }
 }
 
 @Composable
 fun NotificationTopBar(followLists: FollowListViewModel, scaffoldState: ScaffoldState, accountViewModel: AccountViewModel) {
-    GenericTopBar(scaffoldState, accountViewModel) { account ->
-        FollowList(followLists, account.defaultNotificationFollowList, account.userProfile(), true) { listName ->
-            account.changeDefaultNotificationFollowList(listName)
+    GenericTopBar(scaffoldState, accountViewModel) { accountViewModel ->
+        val accountState by accountViewModel.accountLiveData.observeAsState()
+
+        val list by remember(accountState) {
+            derivedStateOf {
+                accountState?.account?.defaultNotificationFollowList ?: GLOBAL_FOLLOWS
+            }
+        }
+
+        FollowList(
+            followLists,
+            list,
+            true
+        ) { listName ->
+            accountViewModel.account.changeDefaultNotificationFollowList(listName)
         }
     }
 }
@@ -127,14 +171,7 @@ fun MainTopBar(scaffoldState: ScaffoldState, accountViewModel: AccountViewModel)
 
 @OptIn(coil.annotation.ExperimentalCoilApi::class)
 @Composable
-fun GenericTopBar(scaffoldState: ScaffoldState, accountViewModel: AccountViewModel, content: @Composable (Account) -> Unit) {
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = accountState?.account ?: return
-
-    val relayViewModel: RelayPoolViewModel = viewModel { RelayPoolViewModel() }
-    val connectedRelaysLiveData by relayViewModel.connectedRelaysLiveData.observeAsState()
-    val availableRelaysLiveData by relayViewModel.availableRelaysLiveData.observeAsState()
-
+fun GenericTopBar(scaffoldState: ScaffoldState, accountViewModel: AccountViewModel, content: @Composable (AccountViewModel) -> Unit) {
     val coroutineScope = rememberCoroutineScope()
 
     var wantsToEditRelays by remember {
@@ -142,7 +179,7 @@ fun GenericTopBar(scaffoldState: ScaffoldState, accountViewModel: AccountViewMod
     }
 
     if (wantsToEditRelays) {
-        NewRelayListView({ wantsToEditRelays = false }, account)
+        NewRelayListView({ wantsToEditRelays = false }, accountViewModel)
     }
 
     Column() {
@@ -163,54 +200,24 @@ fun GenericTopBar(scaffoldState: ScaffoldState, accountViewModel: AccountViewMod
                             horizontalAlignment = Alignment.CenterHorizontally,
                             verticalArrangement = Arrangement.Center
                         ) {
-                            content(account)
+                            content(accountViewModel)
                         }
 
-                        Column(
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .fillMaxHeight(),
-                            horizontalAlignment = Alignment.End
-
-                        ) {
-                            Row(
-                                modifier = Modifier.fillMaxHeight(),
-                                verticalAlignment = Alignment.CenterVertically
-                            ) {
-                                Text(
-                                    "${connectedRelaysLiveData ?: "--"}/${availableRelaysLiveData ?: "--"}",
-                                    color = if (connectedRelaysLiveData == 0) Color.Red else MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
-                                    style = MaterialTheme.typography.subtitle1,
-                                    modifier = Modifier.clickable(
-                                        onClick = {
-                                            wantsToEditRelays = true
-                                        }
-                                    )
-                                )
-                            }
-                        }
+                        RelayStatus(
+                            { wantsToEditRelays = true }
+                        )
                     }
                 }
             },
             navigationIcon = {
-                LoggedInUserPictureDrawer(account) {
+                LoggedInUserPictureDrawer(accountViewModel) {
                     coroutineScope.launch {
                         scaffoldState.drawerState.open()
                     }
                 }
             },
             actions = {
-                IconButton(
-                    onClick = { wantsToEditRelays = true },
-                    modifier = Modifier
-                ) {
-                    Icon(
-                        painter = painterResource(R.drawable.relays),
-                        null,
-                        modifier = Modifier.size(24.dp),
-                        tint = Color.Unspecified
-                    )
-                }
+                RelayIcon { wantsToEditRelays = true }
             }
         )
         Divider(thickness = 0.25.dp)
@@ -218,20 +225,79 @@ fun GenericTopBar(scaffoldState: ScaffoldState, accountViewModel: AccountViewMod
 }
 
 @Composable
-private fun LoggedInUserPictureDrawer(
-    account: Account,
+private fun RelayStatus(
     onClick: () -> Unit
 ) {
-    val accountUserState by account.userProfile().live().metadata.observeAsState()
-    val accountUser = accountUserState?.user ?: return
+    val relayViewModel: RelayPoolViewModel = viewModel { RelayPoolViewModel() }
+    val connectedRelaysLiveData = relayViewModel.connectedRelaysLiveData.observeAsState()
+    val availableRelaysLiveData = relayViewModel.availableRelaysLiveData.observeAsState()
+
+    val connectedRelaysText by remember(connectedRelaysLiveData, availableRelaysLiveData) {
+        derivedStateOf {
+            "${connectedRelaysLiveData.value ?: "--"}/${availableRelaysLiveData.value ?: "--"}"
+        }
+    }
+
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .fillMaxHeight(),
+        horizontalAlignment = Alignment.End
+    ) {
+        Row(
+            modifier = Modifier.fillMaxHeight(),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Text(
+                text = connectedRelaysText,
+                color = if (connectedRelaysLiveData.value == 0) {
+                    Color.Red
+                } else {
+                    MaterialTheme.colors.onSurface.copy(
+                        alpha = 0.32f
+                    )
+                },
+                style = MaterialTheme.typography.subtitle1,
+                modifier = Modifier.clickable(
+                    onClick = onClick
+                )
+            )
+        }
+    }
+}
+
+@Composable
+private fun RelayIcon(onClick: () -> Unit) {
+    IconButton(
+        onClick = onClick,
+        modifier = Modifier
+    ) {
+        Icon(
+            painter = painterResource(R.drawable.relays),
+            null,
+            modifier = Modifier.size(24.dp),
+            tint = Color.Unspecified
+        )
+    }
+}
+
+@Composable
+private fun LoggedInUserPictureDrawer(
+    accountViewModel: AccountViewModel,
+    onClick: () -> Unit
+) {
+    val accountUserState by accountViewModel.account.userProfile().live().metadata.observeAsState()
+
+    val pubkeyHex = remember { accountUserState?.user?.pubkeyHex ?: "" }
+    val profilePicture = remember(accountUserState) { ResizeImage(accountUserState?.user?.profilePicture(), 34.dp) }
 
     IconButton(
         onClick = onClick,
         modifier = Modifier
     ) {
         RobohashAsyncImageProxy(
-            robot = accountUser.pubkeyHex,
-            model = ResizeImage(accountUser.profilePicture(), 34.dp),
+            robot = pubkeyHex,
+            model = profilePicture,
             contentDescription = stringResource(id = R.string.profile_image),
             modifier = Modifier
                 .width(34.dp)
@@ -242,39 +308,37 @@ private fun LoggedInUserPictureDrawer(
 }
 
 @Composable
-fun FollowList(followListsModel: FollowListViewModel, listName: String, loggedIn: User, withGlobal: Boolean, onChange: (String) -> Unit) {
+fun FollowList(followListsModel: FollowListViewModel, listName: String, withGlobal: Boolean, onChange: (String) -> Unit) {
     val kind3Follow = Pair(KIND3_FOLLOWS, stringResource(id = R.string.follow_list_kind3follows))
     val globalFollow = Pair(GLOBAL_FOLLOWS, stringResource(id = R.string.follow_list_global))
 
     val defaultOptions = if (withGlobal) listOf(kind3Follow, globalFollow) else listOf(kind3Follow)
 
-    val followLists = remember(followListsModel.followLists) {
-        (defaultOptions + followListsModel.followLists)
+    val followLists by followListsModel.followLists.collectAsState()
+
+    val allLists = remember(followLists) {
+        (defaultOptions + followLists)
     }
 
     val followNames = remember(followLists) {
         derivedStateOf {
-            followLists.map { it.second }
+            allLists.map { it.second }
         }
     }
 
     SimpleTextSpinner(
-        placeholder = followLists.firstOrNull { it.first == listName }?.second ?: "Select an Option",
+        placeholder = allLists.firstOrNull { it.first == listName }?.second ?: "Select an Option",
         options = followNames.value,
         onSelect = {
-            onChange(followLists.getOrNull(it)?.first ?: KIND3_FOLLOWS)
+            onChange(allLists.getOrNull(it)?.first ?: KIND3_FOLLOWS)
         }
     )
 }
 
-class FollowListViewModel : ViewModel() {
-    var followLists by mutableStateOf<List<Pair<String, String>>>(emptyList())
-    var account: Account? = null
-
-    fun load(account: Account?) {
-        this.account = account
-        refresh()
-    }
+@Stable
+class FollowListViewModel(val account: Account) : ViewModel() {
+    private var _followLists = MutableStateFlow<ImmutableList<Pair<String, String>>>(emptyList<Pair<String, String>>().toPersistentList())
+    val followLists = _followLists.asStateFlow()
 
     fun refresh() {
         val scope = CoroutineScope(Job() + Dispatchers.Default)
@@ -284,34 +348,34 @@ class FollowListViewModel : ViewModel() {
     }
 
     private suspend fun refreshFollows() {
-        val myAccount = account ?: return
+        checkNotInMainThread()
 
         val newFollowLists = LocalCache.addressables.mapNotNull {
             val event = (it.value.event as? PeopleListEvent)
             // Has to have an list
-            if (event != null && event.pubKey == myAccount.userProfile().pubkeyHex && (event.tags.size > 1 || event.content.length > 50)) {
+            if (event != null &&
+                event.pubKey == account.userProfile().pubkeyHex &&
+                (event.tags.size > 1 || event.content.length > 50)
+            ) {
                 Pair(event.dTag(), event.dTag())
             } else {
                 null
             }
-        }.sortedBy { it.second }
+        }.sortedBy { it.second }.toImmutableList()
 
-        withContext(Dispatchers.Main) {
-            if (followLists != newFollowLists) {
-                followLists = newFollowLists
-            }
+        if (!equalImmutableLists(_followLists.value, newFollowLists)) {
+            _followLists.emit(newFollowLists)
         }
     }
 
     var collectorJob: Job? = null
 
     init {
+        refresh()
         collectorJob = viewModelScope.launch(Dispatchers.IO) {
             LocalCache.live.newEventBundles.collect { newNotes ->
-                newNotes.forEach {
-                    if (it.event is PeopleListEvent) {
-                        refresh()
-                    }
+                if (newNotes.any { it.event is PeopleListEvent }) {
+                    refresh()
                 }
             }
         }
@@ -321,6 +385,12 @@ class FollowListViewModel : ViewModel() {
         collectorJob?.cancel()
         super.onCleared()
     }
+
+    class Factory(val account: Account) : ViewModelProvider.Factory {
+        override fun <FollowListViewModel : ViewModel> create(modelClass: Class<FollowListViewModel>): FollowListViewModel {
+            return FollowListViewModel(account) as FollowListViewModel
+        }
+    }
 }
 
 @Composable

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/DrawerContent.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.ui.navigation
 
+import android.content.Context
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
@@ -31,6 +32,7 @@ import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.material.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
@@ -43,9 +45,11 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import coil.compose.AsyncImage
@@ -62,6 +66,8 @@ import com.vitorpamplona.amethyst.ui.components.RobohashAsyncImageProxy
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountBackupDialog
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.ConnectOrbotDialog
+import kotlinx.collections.immutable.toImmutableList
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalMaterialApi::class)
@@ -72,16 +78,13 @@ fun DrawerContent(
     sheetState: ModalBottomSheetState,
     accountViewModel: AccountViewModel
 ) {
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = accountState?.account ?: return
-
     Surface(
         modifier = Modifier.fillMaxWidth(),
         color = MaterialTheme.colors.background
     ) {
         Column() {
             ProfileContent(
-                account.userProfile(),
+                accountViewModel.account.userProfile(),
                 modifier = Modifier
                     .fillMaxWidth()
                     .padding(horizontal = 25.dp)
@@ -94,17 +97,16 @@ fun DrawerContent(
                 modifier = Modifier.padding(top = 20.dp)
             )
             ListContent(
-                account.userProfile().pubkeyHex,
                 nav,
                 scaffoldState,
                 sheetState,
                 modifier = Modifier
                     .fillMaxWidth()
                     .weight(1f),
-                account
+                accountViewModel
             )
 
-            BottomContent(account.userProfile(), scaffoldState, nav)
+            BottomContent(accountViewModel.account.userProfile(), scaffoldState, nav)
         }
     }
 }
@@ -127,13 +129,9 @@ fun ProfileContent(
     val profilePicture = remember(accountUserState) { accountUserState?.user?.profilePicture()?.ifBlank { null }?.let { ResizeImage(it, 100.dp) } }
     val bestUserName = remember(accountUserState) { accountUserState?.user?.bestUsername() }
     val bestDisplayName = remember(accountUserState) { accountUserState?.user?.bestDisplayName() }
-    val tags = remember(accountUserState) { accountUserState?.user?.info?.latestMetadata?.tags }
+    val tags = remember(accountUserState) { accountUserState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
     val route = remember(accountUserState) { "User/${accountUserState?.user?.pubkeyHex}" }
 
-    val accountUserFollowsState by baseAccountUser.live().follows.observeAsState()
-    val followingCount = remember(accountUserFollowsState) { accountUserFollowsState?.user?.cachedFollowCount()?.toString() ?: "--" }
-    val followerCount = remember(accountUserFollowsState) { accountUserFollowsState?.user?.cachedFollowerCount()?.toString() ?: "--" }
-
     Box {
         if (profileBanner != null) {
             AsyncImage(
@@ -189,14 +187,18 @@ fun ProfileContent(
                             }
                         }),
                     fontWeight = FontWeight.Bold,
-                    fontSize = 18.sp
+                    fontSize = 18.sp,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
                 )
             }
             if (bestUserName != null) {
                 CreateTextWithEmoji(
-                    text = " @$bestUserName",
-                    tags = accountUser.info?.latestMetadata?.tags,
+                    text = remember { " @$bestUserName" },
+                    tags = tags,
                     color = Color.LightGray,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis,
                     modifier = Modifier
                         .padding(top = 15.dp)
                         .clickable(
@@ -219,35 +221,61 @@ fun ProfileContent(
                         }
                     })
             ) {
-                Row() {
-                    Text(
-                        text = followingCount,
-                        fontWeight = FontWeight.Bold
-                    )
-                    Text(stringResource(R.string.following))
-                }
-                Row(modifier = Modifier.padding(start = 10.dp)) {
-                    Text(
-                        text = followerCount,
-                        fontWeight = FontWeight.Bold
-                    )
-                    Text(stringResource(R.string.followers))
-                }
+                FollowingAndFollowerCounts(baseAccountUser)
             }
         }
     }
 }
 
+@Composable
+private fun FollowingAndFollowerCounts(baseAccountUser: User) {
+    val accountUserFollowsState by baseAccountUser.live().follows.observeAsState()
+
+    var followingCount by remember { mutableStateOf("--") }
+    var followerCount by remember { mutableStateOf("--") }
+
+    LaunchedEffect(key1 = accountUserFollowsState) {
+        launch(Dispatchers.IO) {
+            val newFollowing = accountUserFollowsState?.user?.cachedFollowCount()?.toString() ?: "--"
+            val newFollower = accountUserFollowsState?.user?.cachedFollowerCount()?.toString() ?: "--"
+
+            if (followingCount != newFollowing) {
+                followingCount = newFollowing
+            }
+            if (followerCount != newFollower) {
+                followerCount = newFollower
+            }
+        }
+    }
+
+    Row() {
+        Text(
+            text = followingCount,
+            fontWeight = FontWeight.Bold
+        )
+        Text(stringResource(R.string.following))
+    }
+    Row(modifier = Modifier.padding(start = 10.dp)) {
+        Text(
+            text = followerCount,
+            fontWeight = FontWeight.Bold
+        )
+        Text(stringResource(R.string.followers))
+    }
+}
+
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
 fun ListContent(
-    accountUserPubKey: String?,
     nav: (String) -> Unit,
     scaffoldState: ScaffoldState,
     sheetState: ModalBottomSheetState,
     modifier: Modifier,
-    account: Account
+    accountViewModel: AccountViewModel
 ) {
+    val accountState by accountViewModel.accountLiveData.observeAsState()
+    val account = remember(accountState) { accountState?.account } ?: return
+
     val coroutineScope = rememberCoroutineScope()
     var backupDialogOpen by remember { mutableStateOf(false) }
     var checked by remember { mutableStateOf(account.proxy != null) }
@@ -255,26 +283,28 @@ fun ListContent(
     var conectOrbotDialogOpen by remember { mutableStateOf(false) }
     var proxyPort = remember { mutableStateOf(account.proxyPort.toString()) }
 
-    Column(modifier = modifier.fillMaxHeight().verticalScroll(rememberScrollState())) {
-        if (accountUserPubKey != null) {
-            NavigationRow(
-                title = stringResource(R.string.profile),
-                icon = Route.Profile.icon,
-                tint = MaterialTheme.colors.primary,
-                nav = nav,
-                scaffoldState = scaffoldState,
-                route = "User/$accountUserPubKey"
-            )
+    Column(
+        modifier = modifier
+            .fillMaxHeight()
+            .verticalScroll(rememberScrollState())
+    ) {
+        NavigationRow(
+            title = stringResource(R.string.profile),
+            icon = Route.Profile.icon,
+            tint = MaterialTheme.colors.primary,
+            nav = nav,
+            scaffoldState = scaffoldState,
+            route = "User/${account.userProfile().pubkeyHex}"
+        )
 
-            NavigationRow(
-                title = stringResource(R.string.bookmarks),
-                icon = Route.Bookmarks.icon,
-                tint = MaterialTheme.colors.onBackground,
-                nav = nav,
-                scaffoldState = scaffoldState,
-                route = Route.Bookmarks.route
-            )
-        }
+        NavigationRow(
+            title = stringResource(R.string.bookmarks),
+            icon = Route.Bookmarks.icon,
+            tint = MaterialTheme.colors.onBackground,
+            nav = nav,
+            scaffoldState = scaffoldState,
+            route = Route.Bookmarks.route
+        )
 
         NavigationRow(
             title = stringResource(R.string.security_filters),
@@ -335,6 +365,8 @@ fun ListContent(
         AccountBackupDialog(account, onClose = { backupDialogOpen = false })
     }
 
+    val context = LocalContext.current
+
     if (conectOrbotDialogOpen) {
         ConnectOrbotDialog(
             onClose = { conectOrbotDialogOpen = false },
@@ -342,7 +374,7 @@ fun ListContent(
                 conectOrbotDialogOpen = false
                 disconnectTorDialog = false
                 checked = true
-                enableTor(account, true, proxyPort)
+                enableTor(account, true, proxyPort, context = context)
             },
             proxyPort
         )
@@ -364,7 +396,7 @@ fun ListContent(
                     onClick = {
                         disconnectTorDialog = false
                         checked = false
-                        enableTor(account, false, proxyPort)
+                        enableTor(account, false, proxyPort, context)
                     }
                 ) {
                     Text(text = stringResource(R.string.yes))
@@ -386,13 +418,14 @@ fun ListContent(
 private fun enableTor(
     account: Account,
     checked: Boolean,
-    portNumber: MutableState<String>
+    portNumber: MutableState<String>,
+    context: Context
 ) {
     account.proxyPort = portNumber.value.toInt()
     account.proxy = HttpClient.initProxy(checked, "127.0.0.1", account.proxyPort)
     LocalPreferences.saveToEncryptedStorage(account)
     ServiceManager.pause()
-    ServiceManager.start()
+    ServiceManager.start(context)
 }
 
 @Composable
@@ -467,7 +500,7 @@ fun BottomContent(user: User, scaffoldState: ScaffoldState, nav: (String) -> Uni
         ) {
             Text(
                 modifier = Modifier.padding(start = 16.dp),
-                text = "v" + BuildConfig.VERSION_NAME,
+                text = "v" + BuildConfig.VERSION_NAME + "-" + BuildConfig.FLAVOR.uppercase(),
                 fontSize = 12.sp,
                 fontWeight = FontWeight.Bold
             )

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/Routes.kt

@@ -13,6 +13,7 @@ import com.vitorpamplona.amethyst.NotificationCache
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.ui.dal.AdditiveFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.ChatroomListKnownFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.HomeNewThreadFeedFilter
@@ -127,17 +128,25 @@ open class LatestItem {
         if (newestItem == null) {
             newestItemPerAccount = newestItemPerAccount + Pair(
                 account.userProfile().pubkeyHex,
-                filter.feed().firstOrNull { it.createdAt() != null }
+                filterMore(filter.feed()).firstOrNull { it.createdAt() != null }
             )
         } else {
             newestItemPerAccount = newestItemPerAccount + Pair(
                 account.userProfile().pubkeyHex,
-                filter.sort(filter.applyFilter(newNotes) + newestItem).first()
+                filter.sort(filterMore(filter.applyFilter(newNotes)) + newestItem).first()
             )
         }
 
         return newestItemPerAccount[account.userProfile().pubkeyHex]
     }
+
+    open fun filterMore(newItems: Set<Note>): Set<Note> {
+        return newItems
+    }
+
+    open fun filterMore(newItems: List<Note>): List<Note> {
+        return newItems
+    }
 }
 
 object HomeLatestItem : LatestItem() {
@@ -147,9 +156,8 @@ object HomeLatestItem : LatestItem() {
         newNotes: Set<Note>
     ): Boolean {
         val lastTime = cache.load("HomeFollows")
-        HomeNewThreadFeedFilter.account = account
 
-        val newestItem = updateNewestItem(newNotes, account, HomeNewThreadFeedFilter)
+        val newestItem = updateNewestItem(newNotes, account, HomeNewThreadFeedFilter(account))
 
         return (newestItem?.createdAt() ?: 0) > lastTime
     }
@@ -162,29 +170,34 @@ object NotificationLatestItem : LatestItem() {
         newNotes: Set<Note>
     ): Boolean {
         val lastTime = cache.load("Notification")
-        NotificationFeedFilter.account = account
 
-        val newestItem = updateNewestItem(newNotes, account, NotificationFeedFilter)
+        val newestItem = updateNewestItem(newNotes, account, NotificationFeedFilter(account))
 
         return (newestItem?.createdAt() ?: 0) > lastTime
     }
 }
 
-object MessagesLatestItem {
+object MessagesLatestItem : LatestItem() {
     fun hasNewItems(
         account: Account,
         cache: NotificationCache,
         newNotes: Set<Note>
     ): Boolean {
-        ChatroomListKnownFeedFilter.account = account
+        val newestItem = updateNewestItem(newNotes, account, ChatroomListKnownFeedFilter(account))
 
-        val note = ChatroomListKnownFeedFilter.loadTop().firstOrNull {
-            it.createdAt() != null && it.channel() == null && it.author != account.userProfile()
-        } ?: return false
+        val roomUserHex = (newestItem?.event as? PrivateDmEvent)?.talkingWith(account.userProfile().pubkeyHex)
 
-        val lastTime = cache.load("Room/${note.author?.pubkeyHex}")
+        val lastTime = cache.load("Room/$roomUserHex")
 
-        return (note.createdAt() ?: 0) > lastTime
+        return (newestItem?.createdAt() ?: 0) > lastTime
+    }
+
+    override fun filterMore(newItems: Set<Note>): Set<Note> {
+        return newItems.filter { it.event is PrivateDmEvent }.toSet()
+    }
+
+    override fun filterMore(newItems: List<Note>): List<Note> {
+        return newItems.filter { it.event is PrivateDmEvent }
     }
 }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/note/AddBountyAmountDialog.kt

@@ -2,7 +2,6 @@ package com.vitorpamplona.amethyst.ui.note
 
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.ExperimentalLayoutApi
 import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
@@ -16,14 +15,11 @@ import androidx.compose.material.OutlinedTextField
 import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.text.input.KeyboardType
@@ -38,6 +34,7 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.actions.CloseButton
 import com.vitorpamplona.amethyst.ui.actions.PostButton
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 class AddBountyAmountViewModel : ViewModel() {
     private var account: Account? = null
@@ -75,16 +72,10 @@ class AddBountyAmountViewModel : ViewModel() {
     }
 }
 
-@OptIn(ExperimentalLayoutApi::class)
 @Composable
-fun AddBountyAmountDialog(bounty: Note, account: Account, onClose: () -> Unit) {
-    val context = LocalContext.current
-    val scope = rememberCoroutineScope()
+fun AddBountyAmountDialog(bounty: Note, accountViewModel: AccountViewModel, onClose: () -> Unit) {
     val postViewModel: AddBountyAmountViewModel = viewModel()
-
-    LaunchedEffect(account) {
-        postViewModel.load(account, bounty)
-    }
+    postViewModel.load(accountViewModel.account, bounty)
 
     Dialog(
         onDismissRequest = { onClose() },

app/src/main/java/com/vitorpamplona/amethyst/ui/note/BadgeCompose.kt

@@ -36,6 +36,7 @@ import com.vitorpamplona.amethyst.NotificationCache
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.ui.screen.BadgeCard
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import com.vitorpamplona.amethyst.ui.theme.newItemBackgroundColor
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -64,7 +65,7 @@ fun BadgeCompose(likeSetCard: BadgeCard, isInnerNote: Boolean = false, routeForL
         }
 
         val backgroundColor = if (isNew) {
-            MaterialTheme.colors.primary.copy(0.12f).compositeOver(MaterialTheme.colors.background)
+            MaterialTheme.colors.newItemBackgroundColor.compositeOver(MaterialTheme.colors.background)
         } else {
             MaterialTheme.colors.background
         }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/BlankNote.kt

@@ -2,6 +2,8 @@ package com.vitorpamplona.amethyst.ui.note
 
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ExperimentalLayoutApi
+import androidx.compose.foundation.layout.FlowRow
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.padding
@@ -17,10 +19,9 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import com.google.accompanist.flowlayout.FlowRow
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 @Composable
 fun BlankNote(modifier: Modifier = Modifier, isQuote: Boolean = false, idHex: String? = null) {
@@ -53,8 +54,16 @@ fun BlankNote(modifier: Modifier = Modifier, isQuote: Boolean = false, idHex: St
     }
 }
 
+@OptIn(ExperimentalLayoutApi::class)
 @Composable
-fun HiddenNote(reports: Set<Note>, loggedIn: User, modifier: Modifier = Modifier, isQuote: Boolean = false, nav: (String) -> Unit, onClick: () -> Unit) {
+fun HiddenNote(
+    reports: Set<Note>,
+    accountViewModel: AccountViewModel,
+    modifier: Modifier = Modifier,
+    isQuote: Boolean = false,
+    nav: (String) -> Unit,
+    onClick: () -> Unit
+) {
     Column(modifier = modifier) {
         Row(modifier = Modifier.padding(horizontal = if (!isQuote) 12.dp else 6.dp)) {
             Column(modifier = Modifier.padding(start = if (!isQuote) 10.dp else 5.dp)) {
@@ -75,7 +84,7 @@ fun HiddenNote(reports: Set<Note>, loggedIn: User, modifier: Modifier = Modifier
                                 NoteAuthorPicture(
                                     baseNote = it,
                                     nav = nav,
-                                    userAccount = loggedIn,
+                                    accountViewModel = accountViewModel,
                                     size = 35.dp
                                 )
                             }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/BoostSetCompose.kt

@@ -1,138 +0,0 @@
-package com.vitorpamplona.amethyst.ui.note
-
-import androidx.compose.foundation.ExperimentalFoundationApi
-import androidx.compose.foundation.background
-import androidx.compose.foundation.combinedClickable
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.layout.width
-import androidx.compose.material.Icon
-import androidx.compose.material.MaterialTheme
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.compositeOver
-import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.unit.dp
-import com.google.accompanist.flowlayout.FlowRow
-import com.vitorpamplona.amethyst.NotificationCache
-import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.ui.screen.BoostSetCard
-import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-
-@OptIn(ExperimentalFoundationApi::class)
-@Composable
-fun BoostSetCompose(boostSetCard: BoostSetCard, isInnerNote: Boolean = false, routeForLastRead: String, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
-    val noteState by boostSetCard.note.live().metadata.observeAsState()
-    val note = noteState?.note
-
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = accountState?.account ?: return
-
-    val noteEvent = note?.event
-    var popupExpanded by remember { mutableStateOf(false) }
-
-    val scope = rememberCoroutineScope()
-
-    if (note == null) {
-        BlankNote(Modifier, isInnerNote)
-    } else {
-        var isNew by remember { mutableStateOf<Boolean>(false) }
-
-        LaunchedEffect(key1 = boostSetCard) {
-            withContext(Dispatchers.IO) {
-                isNew = boostSetCard.createdAt > NotificationCache.load(routeForLastRead)
-
-                NotificationCache.markAsRead(routeForLastRead, boostSetCard.createdAt)
-            }
-        }
-
-        val backgroundColor = if (isNew) {
-            MaterialTheme.colors.primary.copy(0.12f).compositeOver(MaterialTheme.colors.background)
-        } else {
-            MaterialTheme.colors.background
-        }
-
-        Column(
-            modifier = Modifier
-                .background(backgroundColor)
-                .combinedClickable(
-                    onClick = {
-                        scope.launch {
-                            routeFor(
-                                note,
-                                account.userProfile()
-                            )?.let { nav(it) }
-                        }
-                    },
-                    onLongClick = { popupExpanded = true }
-                )
-        ) {
-            Row(
-                modifier = Modifier
-                    .padding(
-                        start = if (!isInnerNote) 12.dp else 0.dp,
-                        end = if (!isInnerNote) 12.dp else 0.dp,
-                        top = 10.dp
-                    )
-            ) {
-                // Draws the like picture outside the boosted card.
-                if (!isInnerNote) {
-                    Box(
-                        modifier = Modifier
-                            .width(55.dp)
-                            .padding(0.dp)
-                    ) {
-                        Icon(
-                            painter = painterResource(R.drawable.ic_retweeted),
-                            null,
-                            modifier = Modifier
-                                .size(16.dp)
-                                .align(Alignment.TopEnd),
-                            tint = Color.Unspecified
-                        )
-                    }
-                }
-
-                Column(modifier = Modifier.padding(start = if (!isInnerNote) 10.dp else 0.dp)) {
-                    FlowRow() {
-                        boostSetCard.boostEvents.forEach {
-                            NoteAuthorPicture(
-                                baseNote = it,
-                                nav = nav,
-                                userAccount = account.userProfile(),
-                                size = 35.dp
-                            )
-                        }
-                    }
-
-                    NoteCompose(
-                        baseNote = note,
-                        routeForLastRead = null,
-                        modifier = Modifier.padding(top = 5.dp),
-                        isBoostedNote = true,
-                        parentBackgroundColor = backgroundColor,
-                        accountViewModel = accountViewModel,
-                        nav = nav
-                    )
-
-                    NoteDropDownMenu(note, popupExpanded, { popupExpanded = false }, accountViewModel)
-                }
-            }
-        }
-    }
-}

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ChatroomCompose.kt

@@ -18,11 +18,11 @@ import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -41,8 +41,10 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.vitorpamplona.amethyst.NotificationCache
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.Channel
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
 import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
@@ -61,120 +63,178 @@ fun ChatroomCompose(
     val noteState by baseNote.live().metadata.observeAsState()
     val note = noteState?.note
 
-    val notificationCacheState = NotificationCache.live.observeAsState()
-    val notificationCache = notificationCacheState.value ?: return
-
-    val scope = rememberCoroutineScope()
+    val channelHex by remember(noteState) {
+        derivedStateOf {
+            noteState?.note?.channelHex()
+        }
+    }
 
     if (note?.event == null) {
         BlankNote(Modifier)
-    } else if (note.channel() != null) {
-        val authorState by note.author!!.live().metadata.observeAsState()
-        val author = authorState?.user
-
-        val channelState by note.channel()!!.live.observeAsState()
-        val channel = channelState?.channel
-
-        val noteEvent = note.event
-
-        val description = if (noteEvent is ChannelCreateEvent) {
-            stringResource(R.string.channel_created)
-        } else if (noteEvent is ChannelMetadataEvent) {
-            "${stringResource(R.string.channel_information_changed_to)} "
-        } else {
-            noteEvent?.content()
-        }
-        channel?.let { chan ->
-            var hasNewMessages by remember { mutableStateOf<Boolean>(false) }
-
-            LaunchedEffect(key1 = notificationCache, key2 = note) {
-                scope.launch(Dispatchers.IO) {
-                    note.createdAt()?.let { timestamp ->
-                        hasNewMessages =
-                            timestamp > notificationCache.cache.load("Channel/${chan.idHex}")
-                    }
-                }
-            }
-
-            ChannelName(
-                channelIdHex = chan.idHex,
-                channelPicture = chan.profilePicture(),
-                channelTitle = { modifier ->
-                    Text(
-                        text = buildAnnotatedString {
-                            withStyle(
-                                SpanStyle(
-                                    fontWeight = FontWeight.Bold
-                                )
-                            ) {
-                                append(chan.info.name)
-                            }
-
-                            withStyle(
-                                SpanStyle(
-                                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
-                                    fontWeight = FontWeight.Normal
-                                )
-                            ) {
-                                append(" ${stringResource(id = R.string.public_chat)}")
-                            }
-                        },
-                        fontWeight = FontWeight.Bold,
-                        modifier = modifier,
-                        style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                    )
-                },
-                channelLastTime = note.createdAt(),
-                channelLastContent = "${author?.toBestDisplayName()}: " + description,
-                hasNewMessages = hasNewMessages,
-                onClick = { nav("Channel/${chan.idHex}") }
-            )
+    } else if (channelHex != null) {
+        LoadChannel(baseChannelHex = channelHex!!) { channel ->
+            ChannelRoomCompose(note, channel, nav)
         }
     } else {
-        val replyAuthorBase =
-            (note.event as? PrivateDmEvent)
-                ?.verifiedRecipientPubKey()
-                ?.let { LocalCache.getOrCreateUser(it) }
+        val userRoomHex = remember(noteState, accountViewModel) {
+            (note.event as? PrivateDmEvent)?.talkingWith(accountViewModel.userProfile().pubkeyHex)
+        } ?: return
 
-        var userToComposeOn = note.author!!
-
-        if (replyAuthorBase != null) {
-            if (note.author == accountViewModel.userProfile()) {
-                userToComposeOn = replyAuthorBase
-            }
+        LoadUser(userRoomHex) { user ->
+            UserRoomCompose(note, user, accountViewModel, nav)
         }
+    }
+}
 
-        val noteEvent = note.event
+@Composable
+private fun ChannelRoomCompose(
+    note: Note,
+    channel: Channel,
+    nav: (String) -> Unit
+) {
+    val authorState by note.author!!.live().metadata.observeAsState()
+    val authorName = remember(authorState) {
+        authorState?.user?.toBestDisplayName()
+    }
 
-        userToComposeOn.let { user ->
-            var hasNewMessages by remember { mutableStateOf<Boolean>(false) }
+    val chanHex = remember { channel.idHex }
 
-            LaunchedEffect(key1 = notificationCache, key2 = note) {
-                scope.launch(Dispatchers.IO) {
-                    noteEvent?.let {
-                        hasNewMessages = it.createdAt() > notificationCache.cache.load(
-                            "Room/${userToComposeOn.pubkeyHex}"
-                        )
-                    }
+    val channelState by channel.live.observeAsState()
+    val channelPicture by remember(channelState) {
+        derivedStateOf {
+            channel.profilePicture()
+        }
+    }
+    val channelName by remember(channelState) {
+        derivedStateOf {
+            channel.info.name
+        }
+    }
+
+    val noteEvent = note.event
+
+    val route = remember(note) {
+        "Channel/$chanHex"
+    }
+
+    val description = if (noteEvent is ChannelCreateEvent) {
+        stringResource(R.string.channel_created)
+    } else if (noteEvent is ChannelMetadataEvent) {
+        "${stringResource(R.string.channel_information_changed_to)} "
+    } else {
+        noteEvent?.content()
+    }
+
+    var hasNewMessages by remember { mutableStateOf<Boolean>(false) }
+
+    LaunchedEffect(key1 = note) {
+        launch(Dispatchers.IO) {
+            note.createdAt()?.let { timestamp ->
+                val lastTime = NotificationCache.load(route)
+                val newHasNewMessages = timestamp > lastTime
+                if (hasNewMessages != newHasNewMessages) {
+                    hasNewMessages = newHasNewMessages
                 }
             }
-
-            ChannelName(
-                channelPicture = {
-                    UserPicture(
-                        userToComposeOn,
-                        accountViewModel.userProfile(),
-                        size = 55.dp
-                    )
-                },
-                channelTitle = { UsernameDisplay(userToComposeOn, it) },
-                channelLastTime = note.createdAt(),
-                channelLastContent = accountViewModel.decrypt(note),
-                hasNewMessages = hasNewMessages,
-                onClick = { nav("Room/${user.pubkeyHex}") }
-            )
         }
     }
+
+    ChannelName(
+        channelIdHex = chanHex,
+        channelPicture = channelPicture,
+        channelTitle = { modifier ->
+            Text(
+                text = buildAnnotatedString {
+                    withStyle(
+                        SpanStyle(
+                            fontWeight = FontWeight.Bold
+                        )
+                    ) {
+                        append(channelName)
+                    }
+
+                    withStyle(
+                        SpanStyle(
+                            color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                            fontWeight = FontWeight.Normal
+                        )
+                    ) {
+                        append(" ${stringResource(id = R.string.public_chat)}")
+                    }
+                },
+                fontWeight = FontWeight.Bold,
+                modifier = modifier,
+                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+            )
+        },
+        channelLastTime = remember(note) { note.createdAt() },
+        channelLastContent = remember(note) { "$authorName: $description" },
+        hasNewMessages = hasNewMessages,
+        onClick = { nav(route) }
+    )
+}
+
+@Composable
+private fun UserRoomCompose(
+    note: Note,
+    user: User,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
+    val noteEvent = note.event
+
+    var hasNewMessages by remember { mutableStateOf<Boolean>(false) }
+
+    val route = remember(user) {
+        "Room/${user.pubkeyHex}"
+    }
+
+    LaunchedEffect(key1 = note) {
+        launch(Dispatchers.IO) {
+            noteEvent?.let {
+                val lastTime = NotificationCache.load(route)
+
+                val newHasNewMessages = it.createdAt() > lastTime
+                if (hasNewMessages != newHasNewMessages) {
+                    hasNewMessages = newHasNewMessages
+                }
+            }
+        }
+    }
+
+    ChannelName(
+        channelPicture = {
+            UserPicture(
+                user,
+                accountViewModel = accountViewModel,
+                size = 55.dp
+            )
+        },
+        channelTitle = { UsernameDisplay(user, it) },
+        channelLastTime = remember(note) { note.createdAt() },
+        channelLastContent = remember(note) { accountViewModel.decrypt(note) },
+        hasNewMessages = hasNewMessages,
+        onClick = { nav(route) }
+    )
+}
+
+@Composable
+fun LoadUser(baseUserHex: String, content: @Composable (User) -> Unit) {
+    var user by remember(baseUserHex) {
+        mutableStateOf<User?>(null)
+    }
+
+    LaunchedEffect(key1 = baseUserHex) {
+        if (user == null) {
+            launch(Dispatchers.IO) {
+                user = LocalCache.checkGetOrCreateUser(baseUserHex)
+            }
+        }
+    }
+
+    user?.let {
+        content(it)
+    }
 }
 
 @Composable

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ChatroomMessageCompose.kt

@@ -7,6 +7,8 @@ import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ExperimentalLayoutApi
+import androidx.compose.foundation.layout.FlowRow
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -37,8 +39,6 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.ColorFilter
-import androidx.compose.ui.graphics.ColorMatrix
 import androidx.compose.ui.graphics.Shape
 import androidx.compose.ui.graphics.compositeOver
 import androidx.compose.ui.layout.onSizeChanged
@@ -50,11 +50,9 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.IntSize
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import com.google.accompanist.flowlayout.FlowRow
 import com.vitorpamplona.amethyst.NotificationCache
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
@@ -66,6 +64,8 @@ import com.vitorpamplona.amethyst.ui.components.RobohashFallbackAsyncImage
 import com.vitorpamplona.amethyst.ui.components.SensitivityWarning
 import com.vitorpamplona.amethyst.ui.components.TranslatableRichTextViewer
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import com.vitorpamplona.amethyst.ui.theme.RelayIconFilter
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -116,9 +116,9 @@ fun ChatroomMessageCompose(
         var isAcceptableAndCanPreview by remember { mutableStateOf(Pair(true, true)) }
 
         LaunchedEffect(key1 = noteReportsState, key2 = accountState) {
-            withContext(Dispatchers.IO) {
+            launch(Dispatchers.Default) {
                 account.userProfile().let { loggedIn ->
-                    val newCanPreview = note.author === loggedIn ||
+                    val newCanPreview = note.author?.pubkeyHex == loggedIn.pubkeyHex ||
                         (note.author?.let { loggedIn.isFollowingCached(it) } ?: true) ||
                         !(noteForReports.hasAnyReports())
 
@@ -134,7 +134,7 @@ fun ChatroomMessageCompose(
         if (!isAcceptableAndCanPreview.first && !showHiddenNote) {
             HiddenNote(
                 account.getRelevantReports(noteForReports),
-                account.userProfile(),
+                accountViewModel,
                 Modifier,
                 innerQuote,
                 nav,
@@ -265,7 +265,6 @@ fun ChatroomMessageCompose(
                                         else -> {
                                             RenderRegularTextNote(
                                                 note,
-                                                loggedIn,
                                                 isAcceptableAndCanPreview.second,
                                                 backgroundBubbleColor,
                                                 accountViewModel,
@@ -359,18 +358,18 @@ fun ChatTimeAgo(time: Long) {
 @Composable
 private fun RenderRegularTextNote(
     note: Note,
-    loggedIn: User,
     canPreview: Boolean,
     backgroundBubbleColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    val tags = remember { note.event?.tags() }
+    val tags = remember(note.event) { note.event?.tags()?.toImmutableList() ?: emptyList<List<String>>().toImmutableList() }
     val eventContent = remember { accountViewModel.decrypt(note) }
     val modifier = remember { Modifier.padding(top = 5.dp) }
 
     if (eventContent != null) {
         val hasSensitiveContent = remember(note.event) { note.event?.isSensitive() ?: false }
+
         SensitivityWarning(
             hasSensitiveContent = hasSensitiveContent,
             accountViewModel = accountViewModel
@@ -419,7 +418,7 @@ private fun RenderChangeChannelMetadataNote(
 
     CreateTextWithEmoji(
         text = text,
-        tags = note.author?.info?.latestMetadata?.tags
+        tags = remember { note.author?.info?.latestMetadata?.tags?.toImmutableList() }
     )
 }
 
@@ -442,7 +441,7 @@ private fun RenderCreateChannelNote(note: Note) {
 
     CreateTextWithEmoji(
         text = text,
-        tags = note.author?.info?.latestMetadata?.tags
+        tags = remember { note.author?.info?.latestMetadata?.tags?.toImmutableList() }
     )
 }
 
@@ -458,7 +457,7 @@ private fun DrawAuthorInfo(
     val route = remember { "User/$pubkeyHex" }
     val userDisplayName = remember(userState) { userState?.user?.toBestDisplayName() }
     val userProfilePicture = remember(userState) { ResizeImage(userState?.user?.profilePicture(), 25.dp) }
-    val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags }
+    val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
 
     Row(
         verticalAlignment = Alignment.CenterVertically,
@@ -469,17 +468,19 @@ private fun DrawAuthorInfo(
             robot = pubkeyHex,
             model = userProfilePicture,
             contentDescription = stringResource(id = R.string.profile_image),
-            modifier = Modifier
-                .width(25.dp)
-                .height(25.dp)
-                .clip(shape = CircleShape)
-                .clickable(onClick = {
-                    nav(route)
-                })
+            modifier = remember {
+                Modifier
+                    .width(25.dp)
+                    .height(25.dp)
+                    .clip(shape = CircleShape)
+                    .clickable(onClick = {
+                        nav(route)
+                    })
+            }
         )
 
         CreateClickableTextWithEmoji(
-            clickablePart = "  $userDisplayName",
+            clickablePart = remember { "  $userDisplayName" },
             suffix = "",
             tags = userTags,
             fontWeight = FontWeight.Bold,
@@ -496,6 +497,7 @@ data class RelayBadgesState(
     val noteRelaysSimple: List<String>
 )
 
+@OptIn(ExperimentalLayoutApi::class)
 @Composable
 private fun RelayBadges(baseNote: Note) {
     val noteRelaysState by baseNote.live().relays.observeAsState()
@@ -538,31 +540,27 @@ private fun RelayBadges(baseNote: Note) {
 }
 
 @Composable
-private fun RenderRelay(dirtyUrl: String) {
+fun RenderRelay(dirtyUrl: String) {
     val uri = LocalUriHandler.current
-    val website = remember {
-        val cleanUrl = dirtyUrl.removePrefix("wss://").removePrefix("ws://")
+    val website = remember(dirtyUrl) {
+        val cleanUrl = dirtyUrl.trim().removePrefix("wss://").removePrefix("ws://").removeSuffix("/")
         "https://$cleanUrl"
     }
-    val iconUrl = remember {
-        val cleanUrl = dirtyUrl.removePrefix("wss://").removePrefix("ws://")
+    val iconUrl = remember(dirtyUrl) {
+        val cleanUrl = dirtyUrl.trim().removePrefix("wss://").removePrefix("ws://").removeSuffix("/")
         "https://$cleanUrl/favicon.ico"
     }
 
-    val clickableModifier = remember {
+    val clickableModifier = remember(dirtyUrl) {
         Modifier
-            .size(15.dp)
             .padding(1.dp)
+            .size(15.dp)
             .clickable(onClick = { uri.openUri(website) })
     }
 
-    val colorFilter = remember {
-        ColorFilter.colorMatrix(ColorMatrix().apply { setToSaturation(0.5f) })
-    }
-
-    val iconModifier = remember {
+    val iconModifier = remember(dirtyUrl) {
         Modifier
-            .size(15.dp)
+            .size(13.dp)
             .clip(shape = CircleShape)
     }
 
@@ -571,10 +569,10 @@ private fun RenderRelay(dirtyUrl: String) {
     ) {
         RobohashFallbackAsyncImage(
             robot = iconUrl,
-            robotSize = 15.dp,
+            robotSize = 13.dp,
             model = iconUrl,
             contentDescription = stringResource(id = R.string.relay_icon),
-            colorFilter = colorFilter,
+            colorFilter = RelayIconFilter,
             modifier = iconModifier.background(MaterialTheme.colors.background)
         )
     }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/LikeSetCompose.kt

@@ -1,137 +0,0 @@
-package com.vitorpamplona.amethyst.ui.note
-
-import androidx.compose.foundation.ExperimentalFoundationApi
-import androidx.compose.foundation.background
-import androidx.compose.foundation.combinedClickable
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.layout.width
-import androidx.compose.material.Icon
-import androidx.compose.material.MaterialTheme
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.compositeOver
-import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.unit.dp
-import com.google.accompanist.flowlayout.FlowRow
-import com.vitorpamplona.amethyst.NotificationCache
-import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.ui.screen.LikeSetCard
-import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-
-@OptIn(ExperimentalFoundationApi::class)
-@Composable
-fun LikeSetCompose(likeSetCard: LikeSetCard, isInnerNote: Boolean = false, routeForLastRead: String, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
-    val noteState by likeSetCard.note.live().metadata.observeAsState()
-    val note = noteState?.note
-
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = accountState?.account ?: return
-
-    val noteEvent = note?.event
-    var popupExpanded by remember { mutableStateOf(false) }
-    val scope = rememberCoroutineScope()
-
-    if (note == null) {
-        BlankNote(Modifier, isInnerNote)
-    } else {
-        var isNew by remember { mutableStateOf<Boolean>(false) }
-
-        LaunchedEffect(key1 = likeSetCard) {
-            withContext(Dispatchers.IO) {
-                isNew = likeSetCard.createdAt > NotificationCache.load(routeForLastRead)
-
-                NotificationCache.markAsRead(routeForLastRead, likeSetCard.createdAt)
-            }
-        }
-
-        val backgroundColor = if (isNew) {
-            MaterialTheme.colors.primary.copy(0.12f).compositeOver(MaterialTheme.colors.background)
-        } else {
-            MaterialTheme.colors.background
-        }
-
-        Column(
-            modifier = Modifier
-                .background(backgroundColor)
-                .combinedClickable(
-                    onClick = {
-                        scope.launch {
-                            routeFor(
-                                note,
-                                account.userProfile()
-                            )?.let { nav(it) }
-                        }
-                    },
-                    onLongClick = { popupExpanded = true }
-                )
-        ) {
-            Row(
-                modifier = Modifier
-                    .padding(
-                        start = if (!isInnerNote) 12.dp else 0.dp,
-                        end = if (!isInnerNote) 12.dp else 0.dp,
-                        top = 10.dp
-                    )
-            ) {
-                // Draws the like picture outside the boosted card.
-                if (!isInnerNote) {
-                    Box(
-                        modifier = Modifier
-                            .width(55.dp)
-                            .padding(0.dp)
-                    ) {
-                        Icon(
-                            painter = painterResource(R.drawable.ic_liked),
-                            null,
-                            modifier = Modifier
-                                .size(16.dp)
-                                .align(Alignment.TopEnd),
-                            tint = Color.Unspecified
-                        )
-                    }
-                }
-
-                Column(modifier = Modifier.padding(start = if (!isInnerNote) 10.dp else 0.dp)) {
-                    FlowRow() {
-                        likeSetCard.likeEvents.forEach {
-                            NoteAuthorPicture(
-                                baseNote = it,
-                                nav = nav,
-                                userAccount = account.userProfile(),
-                                size = 35.dp
-                            )
-                        }
-                    }
-
-                    NoteCompose(
-                        baseNote = note,
-                        routeForLastRead = null,
-                        modifier = Modifier.padding(top = 5.dp),
-                        isBoostedNote = true,
-                        parentBackgroundColor = backgroundColor,
-                        accountViewModel = accountViewModel,
-                        nav = nav
-                    )
-
-                    NoteDropDownMenu(note, popupExpanded, { popupExpanded = false }, accountViewModel)
-                }
-            }
-        }
-    }
-}

app/src/main/java/com/vitorpamplona/amethyst/ui/note/MessageSetCompose.kt

@@ -27,8 +27,10 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.NotificationCache
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.ui.screen.MessageSetCard
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import com.vitorpamplona.amethyst.ui.theme.newItemBackgroundColor
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -37,9 +39,6 @@ import kotlinx.coroutines.launch
 fun MessageSetCompose(messageSetCard: MessageSetCard, routeForLastRead: String, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     val baseNote = remember { messageSetCard.note }
 
-    val noteState by baseNote.live().metadata.observeAsState()
-    val note = remember(noteState) { noteState?.note }
-
     val accountState by accountViewModel.accountLiveData.observeAsState()
     val loggedIn = remember(accountState) { accountState?.account?.userProfile() } ?: return
 
@@ -47,69 +46,69 @@ fun MessageSetCompose(messageSetCard: MessageSetCard, routeForLastRead: String,
 
     val scope = rememberCoroutineScope()
 
-    if (note == null) {
-        BlankNote(Modifier)
-    } else {
-        var isNew by remember { mutableStateOf(false) }
+    var isNew by remember { mutableStateOf(false) }
 
-        LaunchedEffect(key1 = messageSetCard.createdAt()) {
-            scope.launch(Dispatchers.IO) {
-                val newIsNew =
-                    messageSetCard.createdAt() > NotificationCache.load(routeForLastRead)
+    LaunchedEffect(key1 = messageSetCard.createdAt()) {
+        launch(Dispatchers.IO) {
+            val newIsNew =
+                messageSetCard.createdAt() > NotificationCache.load(routeForLastRead)
 
-                NotificationCache.markAsRead(routeForLastRead, messageSetCard.createdAt())
+            NotificationCache.markAsRead(routeForLastRead, messageSetCard.createdAt())
 
-                if (newIsNew != isNew) {
-                    isNew = newIsNew
-                }
+            if (newIsNew != isNew) {
+                isNew = newIsNew
             }
         }
+    }
 
-        val backgroundColor = if (isNew) {
-            MaterialTheme.colors.primary.copy(0.12f).compositeOver(MaterialTheme.colors.background)
-        } else {
-            MaterialTheme.colors.background
-        }
+    val backgroundColor = if (isNew) {
+        MaterialTheme.colors.newItemBackgroundColor.compositeOver(MaterialTheme.colors.background)
+    } else {
+        MaterialTheme.colors.background
+    }
 
-        val columnModifier = remember(isNew) {
-            Modifier
-                .background(backgroundColor)
-                .padding(
-                    start = 12.dp,
-                    end = 12.dp,
-                    top = 10.dp
-                )
-                .combinedClickable(
-                    onClick = {
-                        scope.launch {
-                            routeFor(
-                                baseNote,
-                                loggedIn
-                            )?.let { nav(it) }
-                        }
-                    },
-                    onLongClick = { popupExpanded = true }
-                )
-                .fillMaxWidth()
-        }
+    val columnModifier = remember(isNew) {
+        Modifier
+            .background(backgroundColor)
+            .padding(
+                start = 12.dp,
+                end = 12.dp,
+                top = 10.dp
+            )
+            .combinedClickable(
+                onClick = {
+                    scope.launch {
+                        routeFor(
+                            baseNote,
+                            loggedIn
+                        )?.let { nav(it) }
+                    }
+                },
+                onLongClick = { popupExpanded = true }
+            )
+            .fillMaxWidth()
+    }
 
-        Column(columnModifier) {
-            Row(Modifier.fillMaxWidth()) {
-                MessageIcon()
+    Column(columnModifier) {
+        Row(Modifier.fillMaxWidth()) {
+            MessageIcon()
 
-                Column(modifier = remember { Modifier.padding(start = 10.dp) }) {
-                    NoteCompose(
-                        baseNote = baseNote,
-                        routeForLastRead = null,
-                        isBoostedNote = true,
-                        addMarginTop = false,
-                        parentBackgroundColor = backgroundColor,
-                        accountViewModel = accountViewModel,
-                        nav = nav
-                    )
-
-                    NoteDropDownMenu(note, popupExpanded, { popupExpanded = false }, accountViewModel)
+            Column(modifier = remember { Modifier.padding(start = 10.dp) }) {
+                val routeForLastRead = remember(baseNote) {
+                    "Room/${(baseNote.event as? PrivateDmEvent)?.talkingWith(loggedIn.pubkeyHex)}"
                 }
+
+                NoteCompose(
+                    baseNote = baseNote,
+                    routeForLastRead = routeForLastRead,
+                    isBoostedNote = true,
+                    addMarginTop = false,
+                    parentBackgroundColor = null,
+                    accountViewModel = accountViewModel,
+                    nav = nav
+                )
+
+                NoteDropDownMenu(baseNote, popupExpanded, { popupExpanded = false }, accountViewModel)
             }
         }
     }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/MultiSetCompose.kt

@@ -6,6 +6,8 @@ import androidx.compose.foundation.clickable
 import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ExperimentalLayoutApi
+import androidx.compose.foundation.layout.FlowRow
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
@@ -38,7 +40,6 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import com.google.accompanist.flowlayout.FlowRow
 import com.vitorpamplona.amethyst.NotificationCache
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.LocalCache
@@ -51,8 +52,10 @@ import com.vitorpamplona.amethyst.ui.screen.MultiSetCard
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.showAmountAxis
 import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
+import com.vitorpamplona.amethyst.ui.theme.newItemBackgroundColor
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.ImmutableMap
+import kotlinx.collections.immutable.persistentListOf
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -61,95 +64,85 @@ import kotlinx.coroutines.launch
 fun MultiSetCompose(multiSetCard: MultiSetCard, routeForLastRead: String, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     val baseNote = remember { multiSetCard.note }
 
-    val noteState by baseNote.live().metadata.observeAsState()
-    val note = remember(noteState) { noteState?.note } ?: return
-
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val loggedIn = remember(accountState) { accountState?.account?.userProfile() } ?: return
-
     var popupExpanded by remember { mutableStateOf(false) }
 
     val scope = rememberCoroutineScope()
 
-    if (note.event == null) {
-        BlankNote(Modifier, false)
+    var isNew by remember { mutableStateOf(false) }
+
+    LaunchedEffect(key1 = multiSetCard.createdAt()) {
+        launch(Dispatchers.IO) {
+            val newIsNew = multiSetCard.maxCreatedAt > NotificationCache.load(routeForLastRead)
+
+            NotificationCache.markAsRead(routeForLastRead, multiSetCard.maxCreatedAt)
+
+            if (newIsNew != isNew) {
+                isNew = newIsNew
+            }
+        }
+    }
+
+    val primaryColor = MaterialTheme.colors.newItemBackgroundColor
+    val defaultBackgroundColor = MaterialTheme.colors.background
+
+    val backgroundColor = if (isNew) {
+        primaryColor.compositeOver(defaultBackgroundColor)
     } else {
-        var isNew by remember { mutableStateOf(false) }
+        defaultBackgroundColor
+    }
 
-        LaunchedEffect(key1 = multiSetCard.createdAt()) {
-            scope.launch(Dispatchers.IO) {
-                val newIsNew = multiSetCard.createdAt > NotificationCache.load(routeForLastRead)
-
-                NotificationCache.markAsRead(routeForLastRead, multiSetCard.createdAt)
-
-                if (newIsNew != isNew) {
-                    isNew = newIsNew
+    val columnModifier = Modifier
+        .background(backgroundColor)
+        .padding(
+            start = 12.dp,
+            end = 12.dp,
+            top = 10.dp
+        )
+        .combinedClickable(
+            onClick = {
+                scope.launch {
+                    routeFor(baseNote, accountViewModel.userProfile())?.let { nav(it) }
                 }
-            }
+            },
+            onLongClick = { popupExpanded = true }
+        )
+        .fillMaxWidth()
+
+    val zapEvents by remember { derivedStateOf { multiSetCard.zapEvents } }
+    val boostEvents by remember { derivedStateOf { multiSetCard.boostEvents } }
+    val likeEvents by remember { derivedStateOf { multiSetCard.likeEvents } }
+
+    val hasZapEvents by remember { derivedStateOf { multiSetCard.zapEvents.isNotEmpty() } }
+    val hasBoostEvents by remember { derivedStateOf { multiSetCard.boostEvents.isNotEmpty() } }
+    val hasLikeEvents by remember { derivedStateOf { multiSetCard.likeEvents.isNotEmpty() } }
+
+    Column(modifier = columnModifier) {
+        if (hasZapEvents) {
+            RenderZapGallery(zapEvents, backgroundColor, nav, accountViewModel)
         }
 
-        val primaryColor = MaterialTheme.colors.primary.copy(0.12f)
-        val defaultBackgroundColor = MaterialTheme.colors.background
-
-        val backgroundColor = if (isNew) {
-            primaryColor.compositeOver(defaultBackgroundColor)
-        } else {
-            defaultBackgroundColor
+        if (hasBoostEvents) {
+            RenderBoostGallery(boostEvents, backgroundColor, nav, accountViewModel)
         }
 
-        val columnModifier = Modifier
-            .background(backgroundColor)
-            .padding(
-                start = 12.dp,
-                end = 12.dp,
-                top = 10.dp
+        if (hasLikeEvents) {
+            RenderLikeGallery(likeEvents, backgroundColor, nav, accountViewModel)
+        }
+
+        Row(Modifier.fillMaxWidth()) {
+            Spacer(modifier = Modifier.width(65.dp))
+
+            NoteCompose(
+                baseNote = baseNote,
+                routeForLastRead = null,
+                modifier = remember { Modifier.padding(top = 5.dp) },
+                isBoostedNote = true,
+                parentBackgroundColor = backgroundColor,
+                accountViewModel = accountViewModel,
+                nav = nav
             )
-            .combinedClickable(
-                onClick = {
-                    scope.launch {
-                        routeFor(baseNote, loggedIn)?.let { nav(it) }
-                    }
-                },
-                onLongClick = { popupExpanded = true }
-            )
-            .fillMaxWidth()
 
-        val zapEvents by remember { derivedStateOf { multiSetCard.zapEvents } }
-        val boostEvents by remember { derivedStateOf { multiSetCard.boostEvents } }
-        val likeEvents by remember { derivedStateOf { multiSetCard.likeEvents } }
-
-        val hasZapEvents by remember { derivedStateOf { multiSetCard.zapEvents.isNotEmpty() } }
-        val hasBoostEvents by remember { derivedStateOf { multiSetCard.boostEvents.isNotEmpty() } }
-        val hasLikeEvents by remember { derivedStateOf { multiSetCard.likeEvents.isNotEmpty() } }
-
-        Column(modifier = columnModifier) {
-            if (hasZapEvents) {
-                RenderZapGallery(zapEvents, backgroundColor, nav, accountViewModel)
-            }
-
-            if (hasBoostEvents) {
-                RenderBoostGallery(boostEvents, backgroundColor, nav, accountViewModel)
-            }
-
-            if (hasLikeEvents) {
-                RenderLikeGallery(likeEvents, backgroundColor, nav, accountViewModel)
-            }
-
-            Row(Modifier.fillMaxWidth()) {
-                Spacer(modifier = Modifier.width(65.dp))
-
-                NoteCompose(
-                    baseNote = baseNote,
-                    routeForLastRead = null,
-                    modifier = Modifier.padding(top = 5.dp),
-                    isBoostedNote = true,
-                    parentBackgroundColor = backgroundColor,
-                    accountViewModel = accountViewModel,
-                    nav = nav
-                )
-
-                NoteDropDownMenu(note, popupExpanded, { popupExpanded = false }, accountViewModel)
-            }
+            NoteDropDownMenu(baseNote, popupExpanded, { popupExpanded = false }, accountViewModel)
         }
     }
 }
@@ -186,7 +179,7 @@ private fun RenderLikeGallery(
 }
 
 @Composable
-private fun RenderZapGallery(
+fun RenderZapGallery(
     zapEvents: ImmutableMap<Note, Note>,
     backgroundColor: Color,
     nav: (String) -> Unit,
@@ -251,6 +244,7 @@ private fun RenderBoostGallery(
     }
 }
 
+@OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun AuthorGalleryZaps(
     authorNotes: ImmutableMap<Note, Note>,
@@ -261,9 +255,7 @@ fun AuthorGalleryZaps(
     Column(modifier = Modifier.padding(start = 10.dp)) {
         FlowRow() {
             authorNotes.forEach {
-                Box() {
-                    AuthorPictureAndComment(it.key, it.value, backgroundColor, nav, accountViewModel)
-                }
+                AuthorPictureAndComment(it.key, it.value, backgroundColor, nav, accountViewModel)
             }
         }
     }
@@ -278,10 +270,9 @@ private fun AuthorPictureAndComment(
     accountViewModel: AccountViewModel
 ) {
     var content by remember { mutableStateOf<Triple<User?, String?, String?>>(Triple(zapRequest.author, null, null)) }
-    val scope = rememberCoroutineScope()
 
     LaunchedEffect(key1 = zapRequest.idHex, key2 = zapEvent?.idHex) {
-        scope.launch(Dispatchers.Default) {
+        launch(Dispatchers.Default) {
             (zapRequest.event as? LnZapRequestEvent)?.let {
                 val decryptedContent = accountViewModel.decryptZap(zapRequest)
                 val amount = (zapEvent?.event as? LnZapEvent)?.amount
@@ -328,17 +319,9 @@ private fun AuthorPictureAndComment(
 ) {
     val authorPictureModifier = remember { Modifier }
 
-    val modifier = remember(comment) {
-        if (comment != null) {
-            Modifier
-                .fillMaxWidth()
-                .clickable {
-                    nav(route)
-                }
-        } else {
-            Modifier.clickable {
-                nav(route)
-            }
+    val modifier = remember {
+        Modifier.clickable {
+            nav(route)
         }
     }
 
@@ -379,8 +362,8 @@ private fun AuthorPictureAndComment(
             TranslatableRichTextViewer(
                 content = it,
                 canPreview = true,
-                tags = null,
-                modifier = Modifier.weight(1f),
+                tags = remember { persistentListOf() },
+                modifier = remember { Modifier.fillMaxWidth() },
                 backgroundColor = backgroundColor,
                 accountViewModel = accountViewModel,
                 nav = nav
@@ -389,6 +372,7 @@ private fun AuthorPictureAndComment(
     }
 }
 
+@OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun AuthorGallery(
     authorNotes: ImmutableList<Note>,
@@ -437,30 +421,21 @@ fun FastNoteAuthorPicture(
     accountViewModel: AccountViewModel
 ) {
     val userState by author.live().metadata.observeAsState()
-    val profilePicture = remember(userState) {
-        userState?.user?.profilePicture()
+    val profilePicture by remember(userState) {
+        derivedStateOf {
+            userState?.user?.profilePicture()
+        }
     }
 
     val authorPubKey = remember {
         author.pubkeyHex
     }
 
-    val accountState by accountViewModel.accountLiveData.observeAsState()
-    val loggedInLiveFollows = remember(accountState) { accountState?.account?.userProfile()?.live()?.follows } ?: return
-
-    val accountFollowsState by loggedInLiveFollows.observeAsState()
-
-    val showFollowingMark by remember(accountFollowsState) {
-        derivedStateOf {
-            accountFollowsState?.user?.isFollowingCached(author) == true || (author === accountFollowsState?.user)
-        }
-    }
-
     UserPicture(
         userHex = authorPubKey,
         userPicture = profilePicture,
-        showFollowingMark = showFollowingMark,
         size = size,
-        modifier = pictureModifier
+        modifier = pictureModifier,
+        accountViewModel = accountViewModel
     )
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/NIP05VerificationDisplay.kt

@@ -15,11 +15,11 @@ import androidx.compose.material.icons.filled.Report
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.State
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
@@ -40,7 +40,7 @@ import java.util.Date
 
 @Composable
 fun nip05VerificationAsAState(user: UserMetadata, pubkeyHex: String): State<Boolean?> {
-    val nip05Verified = remember(user) {
+    val nip05Verified = remember(user.nip05) {
         // starts with null if must verify or already filled in if verified in the last hour
         val default = if ((user.nip05LastVerificationTime ?: 0) > (Date().time / 1000 - 60 * 60)) { // 1hour
             user.nip05Verified
@@ -51,11 +51,9 @@ fun nip05VerificationAsAState(user: UserMetadata, pubkeyHex: String): State<Bool
         mutableStateOf(default)
     }
 
-    val scope = rememberCoroutineScope()
-
-    LaunchedEffect(key1 = user) {
+    LaunchedEffect(key1 = user.nip05) {
         if (nip05Verified.value == null) {
-            scope.launch(Dispatchers.IO) {
+            launch(Dispatchers.IO) {
                 user.nip05?.ifBlank { null }?.let { nip05 ->
                     Nip05Verifier().verifyNip05(
                         nip05,
@@ -97,84 +95,103 @@ fun nip05VerificationAsAState(user: UserMetadata, pubkeyHex: String): State<Bool
 @Composable
 fun ObserveDisplayNip05Status(baseNote: Note, columnModifier: Modifier = Modifier) {
     val noteState by baseNote.live().metadata.observeAsState()
-    val note = noteState?.note ?: return
+    val author by remember(noteState) {
+        derivedStateOf {
+            noteState?.note?.author
+        }
+    }
 
-    val author = note.author
-    if (author != null) {
-        ObserveDisplayNip05Status(author, columnModifier)
+    author?.let {
+        ObserveDisplayNip05Status(it, columnModifier)
     }
 }
 
 @Composable
 fun ObserveDisplayNip05Status(baseUser: User, columnModifier: Modifier = Modifier) {
     val userState by baseUser.live().metadata.observeAsState()
-    val user = remember(userState) { userState?.user } ?: return
-    val parts = remember(userState) { userState?.user?.nip05()?.split("@") } ?: return
+    val isValidNIP05 by remember(userState) {
+        derivedStateOf {
+            userState?.user?.nip05()?.split("@")?.size == 2
+        }
+    }
+    val nip05 by remember(userState) {
+        derivedStateOf {
+            userState?.user?.nip05()
+        }
+    }
 
-    if (parts.size == 2) {
-        val nip05Verified by nip05VerificationAsAState(user.info!!, user.pubkeyHex)
+    if (isValidNIP05) {
+        nip05?.let {
+            DisplayNIP05Line(it, baseUser, columnModifier)
+        }
+    }
+}
 
-        Column(modifier = columnModifier) {
-            DisplayNIP05(parts[0], parts[1], nip05Verified)
+@Composable
+private fun DisplayNIP05Line(nip05: String, baseUser: User, columnModifier: Modifier = Modifier) {
+    Column(modifier = columnModifier) {
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            val nip05Verified by nip05VerificationAsAState(baseUser.info!!, baseUser.pubkeyHex)
+            DisplayNIP05(nip05, nip05Verified)
         }
     }
 }
 
 @Composable
 private fun DisplayNIP05(
-    user: String,
-    domain: String,
+    nip05: String,
     nip05Verified: Boolean?
 ) {
     val uri = LocalUriHandler.current
+    val (user, domain) = remember(nip05) {
+        nip05.split("@")
+    }
 
-    Row(verticalAlignment = Alignment.CenterVertically) {
-        if (user != "_") {
-            Text(
-                text = AnnotatedString(user),
-                color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
-                maxLines = 1,
-                overflow = TextOverflow.Ellipsis
-            )
-        }
-
-        if (nip05Verified == null) {
-            Icon(
-                tint = Color.Yellow,
-                imageVector = Icons.Default.Downloading,
-                contentDescription = "Downloading",
-                modifier = Modifier
-                    .size(14.dp)
-                    .padding(top = 1.dp)
-            )
-        } else if (nip05Verified == true) {
-            Icon(
-                painter = painterResource(R.drawable.ic_verified),
-                "NIP-05 Verified",
-                tint = Nip05.copy(0.52f),
-                modifier = Modifier
-                    .size(14.dp)
-                    .padding(top = 1.dp)
-            )
-        } else {
-            Icon(
-                tint = Color.Red,
-                imageVector = Icons.Default.Report,
-                contentDescription = "Invalid Nip05",
-                modifier = Modifier
-                    .size(14.dp)
-                    .padding(top = 1.dp)
-            )
-        }
-
-        ClickableText(
-            text = AnnotatedString(domain),
-            onClick = { runCatching { uri.openUri("https://$domain") } },
-            style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary.copy(0.52f)),
+    if (user != "_") {
+        Text(
+            text = AnnotatedString(user),
+            color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
             maxLines = 1,
-            overflow = TextOverflow.Visible
+            overflow = TextOverflow.Ellipsis
         )
     }
+
+    if (nip05Verified == null) {
+        Icon(
+            tint = Color.Yellow,
+            imageVector = Icons.Default.Downloading,
+            contentDescription = "Downloading",
+            modifier = Modifier
+                .size(14.dp)
+                .padding(top = 1.dp)
+        )
+    } else if (nip05Verified == true) {
+        Icon(
+            painter = painterResource(R.drawable.ic_verified),
+            "NIP-05 Verified",
+            tint = Nip05.copy(0.52f),
+            modifier = Modifier
+                .size(14.dp)
+                .padding(top = 1.dp)
+        )
+    } else {
+        Icon(
+            tint = Color.Red,
+            imageVector = Icons.Default.Report,
+            contentDescription = "Invalid Nip05",
+            modifier = Modifier
+                .size(14.dp)
+                .padding(top = 1.dp)
+        )
+    }
+
+    ClickableText(
+        text = AnnotatedString(domain),
+        onClick = { runCatching { uri.openUri("https://$domain") } },
+        style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary.copy(0.52f)),
+        maxLines = 1,
+        overflow = TextOverflow.Visible
+    )
 }
 
 @Composable