Merge branch 'dev' into swap-video-views

app/build.gradle

@@ -31,8 +31,8 @@ configurations.all {
     exclude module: "commons-logging"
 }
 
-def canonicalVersionCode = 369
+def canonicalVersionCode = 373
-def canonicalVersionName = "1.18.1"
+def canonicalVersionName = "1.18.4"
 
 def postFixSize = 10
 def abiPostFix = ['armeabi-v7a' : 1,
@@ -41,6 +41,17 @@ def abiPostFix = ['armeabi-v7a' : 1,
                   'x86_64'      : 4,
                   'universal'   : 5]
 
+// Function to get the current git commit hash so we can embed it along w/ the build version.
+// Note: This is visible in the SettingsActivity, right at the bottom (R.id.versionTextView).
+def getGitHash = { ->
+    def stdout = new ByteArrayOutputStream()
+    exec {
+        commandLine "git", "rev-parse", "--short", "HEAD"
+        standardOutput = stdout
+    }
+    return stdout.toString().trim()
+}
+
 android {
     compileSdkVersion androidCompileSdkVersion
     namespace 'network.loki.messenger'
@@ -94,6 +105,7 @@ android {
         project.ext.set("archivesBaseName", "session")
 
         buildConfigField "long", "BUILD_TIMESTAMP", getLastCommitTimestamp() + "L"
+        buildConfigField "String", "GIT_HASH", "\"$getGitHash\""
         buildConfigField "String", "CONTENT_PROXY_HOST", "\"contentproxy.signal.org\""
         buildConfigField "int", "CONTENT_PROXY_PORT", "443"
         buildConfigField "String", "USER_AGENT", "\"OWA\""

app/src/main/AndroidManifest.xml

@@ -41,6 +41,7 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.READ_MEDIA_IMAGES"/>
     <uses-permission android:name="android.permission.READ_MEDIA_VIDEO"/>
+    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO"/>
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />

app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java

@@ -57,6 +57,7 @@ import org.signal.aesgcmprovider.AesGcmProvider;
 import org.thoughtcrime.securesms.components.TypingStatusSender;
 import org.thoughtcrime.securesms.crypto.KeyPairUtilities;
 import org.thoughtcrime.securesms.database.EmojiSearchDatabase;
+import org.thoughtcrime.securesms.database.LastSentTimestampCache;
 import org.thoughtcrime.securesms.database.LokiAPIDatabase;
 import org.thoughtcrime.securesms.database.Storage;
 import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
@@ -149,6 +150,7 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
     @Inject TextSecurePreferences textSecurePreferences;
     @Inject PushRegistry pushRegistry;
     @Inject ConfigFactory configFactory;
+    @Inject LastSentTimestampCache lastSentTimestampCache;
     CallMessageProcessor callMessageProcessor;
     MessagingModuleConfiguration messagingModuleConfiguration;
 
@@ -218,7 +220,8 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
                 device,
                 messageDataProvider,
                 ()-> KeyPairUtilities.INSTANCE.getUserED25519KeyPair(this),
-                configFactory
+                configFactory,
+                lastSentTimestampCache
                 );
         callMessageProcessor = new CallMessageProcessor(this, textSecurePreferences, ProcessLifecycleOwner.get().getLifecycle(), storage);
         Log.i(TAG, "onCreate()");

app/src/main/java/org/thoughtcrime/securesms/BaseActionBarActivity.java

@@ -39,15 +39,20 @@ public abstract class BaseActionBarActivity extends AppCompatActivity {
   public int getDesiredTheme() {
     ThemeState themeState = ActivityUtilitiesKt.themeState(getPreferences());
     int userSelectedTheme = themeState.getTheme();
+
+    // If the user has configured Session to follow the system light/dark theme mode then do so..
     if (themeState.getFollowSystem()) {
-      // do light or dark based on the selected theme
+
+      // Use light or dark versions of the user's theme based on light-mode / dark-mode settings
       boolean isDayUi = UiModeUtilities.isDayUiMode(this);
       if (userSelectedTheme == R.style.Ocean_Dark || userSelectedTheme == R.style.Ocean_Light) {
         return isDayUi ? R.style.Ocean_Light : R.style.Ocean_Dark;
       } else {
         return isDayUi ? R.style.Classic_Light : R.style.Classic_Dark;
       }
-    } else {
+    }
+    else // ..otherwise just return their selected theme.
+    {
       return userSelectedTheme;
     }
   }

app/src/main/java/org/thoughtcrime/securesms/MediaPreviewActivity.java

@@ -21,6 +21,7 @@ import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
+import android.database.CursorIndexOutOfBoundsException;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -145,6 +146,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
                       View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
     }
   };
+  private MediaItemAdapter adapter;
 
   public static Intent getPreviewIntent(Context context, MediaPreviewArgs args) {
     return getPreviewIntent(context, args.getSlide(), args.getMmsRecord(), args.getThread());
@@ -217,13 +219,6 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
   }
 
-  @TargetApi(VERSION_CODES.JELLY_BEAN)
-  private void setFullscreenIfPossible() {
-    if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
-      getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN);
-    }
-  }
-
   @Override
   public void onModified(Recipient recipient) {
     Util.runOnMain(this::updateActionBar);
@@ -285,9 +280,6 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     mediaPager = findViewById(R.id.media_pager);
     mediaPager.setOffscreenPageLimit(1);
 
-    viewPagerListener = new ViewPagerListener();
-    mediaPager.addOnPageChangeListener(viewPagerListener);
-
     albumRail        = findViewById(R.id.media_preview_album_rail);
     albumRailAdapter = new MediaRailAdapter(GlideApp.with(this), this, false);
 
@@ -378,7 +370,8 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     if (conversationRecipient != null) {
       getSupportLoaderManager().restartLoader(0, null, this);
     } else {
-      mediaPager.setAdapter(new SingleItemPagerAdapter(this, GlideApp.with(this), getWindow(), initialMediaUri, initialMediaType, initialMediaSize));
+      adapter = new SingleItemPagerAdapter(this, GlideApp.with(this), getWindow(), initialMediaUri, initialMediaType, initialMediaSize);
+      mediaPager.setAdapter(adapter);
 
       if (initialCaption != null) {
         detailsContainer.setVisibility(View.VISIBLE);
@@ -506,13 +499,8 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
   }
 
   private @Nullable MediaItem getCurrentMediaItem() {
-    MediaItemAdapter adapter = (MediaItemAdapter)mediaPager.getAdapter();
+    if (adapter == null) return null;
-
-    if (adapter != null) {
     return adapter.getMediaItemFor(mediaPager.getCurrentItem());
-    } else {
-      return null;
-    }
   }
 
   public static boolean isContentTypeSupported(final String contentType) {
@@ -526,24 +514,29 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
 
   @Override
   public void onLoadFinished(@NonNull Loader<Pair<Cursor, Integer>> loader, @Nullable Pair<Cursor, Integer> data) {
-    if (data != null) {
+    if (data == null) return;
-      CursorPagerAdapter adapter = new CursorPagerAdapter(this, GlideApp.with(this), getWindow(), data.first, data.second, leftIsRecent);
+
+    mediaPager.removeOnPageChangeListener(viewPagerListener);
+
+    adapter = new CursorPagerAdapter(this, GlideApp.with(this), getWindow(), data.first, data.second, leftIsRecent);
     mediaPager.setAdapter(adapter);
-      adapter.setActive(true);
 
     viewModel.setCursor(this, data.first, leftIsRecent);
 
-      if (restartItem >= 0 || data.second >= 0) {
+    int item = restartItem >= 0  && restartItem < adapter.getCount() ? restartItem : Math.max(Math.min(data.second, adapter.getCount() - 1), 0);
-        int item = restartItem >= 0 ? restartItem : data.second;
+
+    viewPagerListener = new ViewPagerListener();
+    mediaPager.addOnPageChangeListener(viewPagerListener);
+
+    try {
       mediaPager.setCurrentItem(item);
+    } catch (CursorIndexOutOfBoundsException e) {
+      throw new RuntimeException("restartItem = " + restartItem + ", data.second = " + data.second + " leftIsRecent = " + leftIsRecent, e);
+    }
 
     if (item == 0) {
       viewPagerListener.onPageSelected(0);
     }
-      } else {
-        Log.w(TAG, "one of restartItem "+restartItem+" and data.second "+data.second+" would cause OOB exception");
-      }
-    }
   }
 
   @Override
@@ -560,27 +553,27 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
       if (currentPage != -1 && currentPage != position) onPageUnselected(currentPage);
       currentPage = position;
 
-      MediaItemAdapter adapter = (MediaItemAdapter)mediaPager.getAdapter();
+      if (adapter == null) return;
 
-      if (adapter != null) {
       MediaItem item = adapter.getMediaItemFor(position);
       if (item.recipient != null) item.recipient.addListener(MediaPreviewActivity.this);
       viewModel.setActiveAlbumRailItem(MediaPreviewActivity.this, position);
       updateActionBar();
     }
-    }
 
 
     public void onPageUnselected(int position) {
-      MediaItemAdapter adapter = (MediaItemAdapter)mediaPager.getAdapter();
+      if (adapter == null) return;
 
-      if (adapter != null) {
+      try {
         MediaItem item = adapter.getMediaItemFor(position);
         if (item.recipient != null) item.recipient.removeListener(MediaPreviewActivity.this);
+      } catch (CursorIndexOutOfBoundsException e) {
+        throw new RuntimeException("position = " + position + " leftIsRecent = " + leftIsRecent, e);
+      }
 
       adapter.pause(position);
     }
-    }
 
     @Override
     public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
@@ -593,7 +586,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     }
   }
 
-  private static class SingleItemPagerAdapter extends PagerAdapter implements MediaItemAdapter {
+  private static class SingleItemPagerAdapter extends MediaItemAdapter {
 
     private final GlideRequests glideRequests;
     private final Window        window;
@@ -665,7 +658,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     }
   }
 
-  private static class CursorPagerAdapter extends PagerAdapter implements MediaItemAdapter {
+  private static class CursorPagerAdapter extends MediaItemAdapter {
 
     private final WeakHashMap<Integer, MediaView> mediaViews = new WeakHashMap<>();
 
@@ -675,7 +668,6 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     private final Cursor        cursor;
     private final boolean       leftIsRecent;
 
-    private boolean active;
     private int     autoPlayPosition;
 
     CursorPagerAdapter(@NonNull Context context, @NonNull GlideRequests glideRequests,
@@ -690,15 +682,9 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
       this.leftIsRecent     = leftIsRecent;
     }
 
-    public void setActive(boolean active) {
-      this.active = active;
-      notifyDataSetChanged();
-    }
-
     @Override
     public int getCount() {
-      if (!active) return 0;
+      return cursor.getCount();
-      else         return cursor.getCount();
     }
 
     @Override
@@ -771,8 +757,8 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     }
 
     private int getCursorPosition(int position) {
-      if (leftIsRecent) return position;
+        int unclamped = leftIsRecent ? position : cursor.getCount() - 1 - position;
-      else              return cursor.getCount() - 1 - position;
+        return Math.max(Math.min(unclamped, cursor.getCount() - 1), 0);
     }
   }
 
@@ -800,9 +786,9 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
     }
   }
 
-  interface MediaItemAdapter {
+  abstract static class MediaItemAdapter extends PagerAdapter {
-    MediaItem getMediaItemFor(int position);
+    abstract MediaItem getMediaItemFor(int position);
-    void pause(int position);
+    abstract void pause(int position);
-    @Nullable View getPlaybackControls(int position);
+    @Nullable abstract View getPlaybackControls(int position);
   }
 }

app/src/main/java/org/thoughtcrime/securesms/SessionDialogBuilder.kt

@@ -8,6 +8,7 @@ import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
 import android.widget.Button
 import android.widget.LinearLayout
 import android.widget.LinearLayout.VERTICAL
+import android.widget.Space
 import android.widget.TextView
 import androidx.annotation.AttrRes
 import androidx.annotation.LayoutRes
@@ -15,13 +16,11 @@ import androidx.annotation.StringRes
 import androidx.annotation.StyleRes
 import androidx.appcompat.app.AlertDialog
 import androidx.core.view.setMargins
-import androidx.core.view.setPadding
 import androidx.core.view.updateMargins
 import androidx.fragment.app.Fragment
 import network.loki.messenger.R
 import org.thoughtcrime.securesms.util.toPx
 
-
 @DslMarker
 @Target(AnnotationTarget.CLASS, AnnotationTarget.TYPE)
 annotation class DialogDsl
@@ -31,13 +30,16 @@ class SessionDialogBuilder(val context: Context) {
 
     private val dp20 = toPx(20, context.resources)
     private val dp40 = toPx(40, context.resources)
+    private val dp60 = toPx(60, context.resources)
 
     private val dialogBuilder: AlertDialog.Builder = AlertDialog.Builder(context)
 
     private var dialog: AlertDialog? = null
     private fun dismiss() = dialog?.dismiss()
 
-    private val topView = LinearLayout(context).apply { orientation = VERTICAL }
+    private val topView = LinearLayout(context)
+        .apply { setPadding(0, dp20, 0, 0) }
+        .apply { orientation = VERTICAL }
         .also(dialogBuilder::setCustomTitle)
     private val contentView = LinearLayout(context).apply { orientation = VERTICAL }
     private val buttonLayout = LinearLayout(context)
@@ -53,18 +55,17 @@ class SessionDialogBuilder(val context: Context) {
 
     fun title(text: CharSequence?) = title(text?.toString())
     fun title(text: String?) {
-        text(text, R.style.TextAppearance_AppCompat_Title) { setPadding(dp20) }
+        text(text, R.style.TextAppearance_AppCompat_Title) { setPadding(dp20, 0, dp20, 0) }
     }
 
     fun text(@StringRes id: Int, style: Int = 0) = text(context.getString(id), style)
     fun text(text: CharSequence?, @StyleRes style: Int = 0) {
         text(text, style) {
             layoutParams = LinearLayout.LayoutParams(MATCH_PARENT, WRAP_CONTENT)
-                .apply { updateMargins(dp40, 0, dp40, dp20) }
+                .apply { updateMargins(dp40, 0, dp40, 0) }
         }
     }
 
-
     private fun text(text: CharSequence?, @StyleRes style: Int, modify: TextView.() -> Unit) {
         text ?: return
         TextView(context, null, 0, style)
@@ -73,6 +74,10 @@ class SessionDialogBuilder(val context: Context) {
                 textAlignment = View.TEXT_ALIGNMENT_CENTER
                 modify()
             }.let(topView::addView)
+
+        Space(context).apply {
+            layoutParams = LinearLayout.LayoutParams(0, dp20)
+        }.let(topView::addView)
     }
 
     fun view(view: View) = contentView.addView(view)
@@ -125,8 +130,7 @@ class SessionDialogBuilder(val context: Context) {
     ) = Button(context, null, 0, style).apply {
             setText(text)
             contentDescription = resources.getString(contentDescriptionRes)
-            layoutParams = LinearLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT, 1f)
+            layoutParams = LinearLayout.LayoutParams(WRAP_CONTENT, dp60, 1f)
-                .apply { setMargins(toPx(20, resources)) }
             setOnClickListener {
                 listener.invoke()
                 if (dismiss) dismiss()

app/src/main/java/org/thoughtcrime/securesms/attachments/AttachmentServer.java

@@ -50,7 +50,7 @@ public class AttachmentServer implements Runnable {
       throws IOException
   {
     try {
-      this.context      = context;
+      this.context      = context.getApplicationContext();
       this.attachment   = attachment;
       this.socket       = new ServerSocket(0, 0, InetAddress.getByAddress(new byte[]{127, 0, 0, 1}));
       this.port         = socket.getLocalPort();

app/src/main/java/org/thoughtcrime/securesms/attachments/DatabaseAttachmentProvider.kt

@@ -5,6 +5,8 @@ import android.text.TextUtils
 import com.google.protobuf.ByteString
 import org.greenrobot.eventbus.EventBus
 import org.session.libsession.database.MessageDataProvider
+import org.session.libsession.messaging.MessagingModuleConfiguration
+import org.session.libsession.messaging.messages.control.UnsendRequest
 import org.session.libsession.messaging.sending_receiving.attachments.Attachment
 import org.session.libsession.messaging.sending_receiving.attachments.AttachmentId
 import org.session.libsession.messaging.sending_receiving.attachments.AttachmentState
@@ -184,10 +186,15 @@ class DatabaseAttachmentProvider(context: Context, helper: SQLCipherOpenHelper)
     override fun deleteMessage(messageID: Long, isSms: Boolean) {
         val messagingDatabase: MessagingDatabase = if (isSms)  DatabaseComponent.get(context).smsDatabase()
                                                    else DatabaseComponent.get(context).mmsDatabase()
+        val (threadId, timestamp) = runCatching { messagingDatabase.getMessageRecord(messageID).run { threadId to timestamp } }.getOrNull() ?: (null to null)
 
         messagingDatabase.deleteMessage(messageID)
         DatabaseComponent.get(context).lokiMessageDatabase().deleteMessage(messageID, isSms)
         DatabaseComponent.get(context).lokiMessageDatabase().deleteMessageServerHash(messageID, mms = !isSms)
+
+        threadId ?: return
+        timestamp ?: return
+        MessagingModuleConfiguration.shared.lastSentTimestampCache.delete(threadId, timestamp)
     }
 
     override fun deleteMessages(messageIDs: List<Long>, threadId: Long, isSms: Boolean) {
@@ -195,12 +202,17 @@ class DatabaseAttachmentProvider(context: Context, helper: SQLCipherOpenHelper)
         val messagingDatabase: MessagingDatabase = if (isSms)  DatabaseComponent.get(context).smsDatabase()
                                                    else DatabaseComponent.get(context).mmsDatabase()
 
+        val messages = messageIDs.mapNotNull { runCatching { messagingDatabase.getMessageRecord(it) }.getOrNull() }
+
         // Perform local delete
         messagingDatabase.deleteMessages(messageIDs.toLongArray(), threadId)
 
         // Perform online delete
         DatabaseComponent.get(context).lokiMessageDatabase().deleteMessages(messageIDs)
         DatabaseComponent.get(context).lokiMessageDatabase().deleteMessageServerHashes(messageIDs, mms = !isSms)
+
+        val threadId = messages.firstOrNull()?.threadId
+        threadId?.let{ MessagingModuleConfiguration.shared.lastSentTimestampCache.delete(it, messages.map { it.timestamp }) }
     }
 
     override fun updateMessageAsDeleted(timestamp: Long, author: String): Long? {

app/src/main/java/org/thoughtcrime/securesms/audio/AudioRecorder.java

@@ -45,7 +45,8 @@ public class AudioRecorder {
       Log.i(TAG, "Running startRecording() + " + Thread.currentThread().getId());
       try {
         if (audioCodec != null) {
-          throw new AssertionError("We can only record once at a time.");
+          Log.e(TAG, "Trying to start recording while another recording is in progress, exiting...");
+          return;
         }
 
         ParcelFileDescriptor fds[] = ParcelFileDescriptor.createPipe();

app/src/main/java/org/thoughtcrime/securesms/calls/WebRtcCallActivity.kt

@@ -93,6 +93,7 @@ class WebRtcCallActivity : PassphraseRequiredActionBarActivity() {
         super.onNewIntent(intent)
         if (intent?.action == ACTION_ANSWER) {
             val answerIntent = WebRtcCallService.acceptCallIntent(this)
+            answerIntent.flags = Intent.FLAG_ACTIVITY_REORDER_TO_FRONT
             ContextCompat.startForegroundService(this, answerIntent)
         }
     }
@@ -106,6 +107,7 @@ class WebRtcCallActivity : PassphraseRequiredActionBarActivity() {
             setShowWhenLocked(true)
             setTurnScreenOn(true)
         }
+
         window.addFlags(
             WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
                     or WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD

app/src/main/java/org/thoughtcrime/securesms/components/ProfilePictureView.kt

@@ -122,7 +122,7 @@ class ProfilePictureView @JvmOverloads constructor(
 
             glide.clear(imageView)
 
-            val placeholder = PlaceholderAvatarPhoto(context, publicKey, displayName ?: "${publicKey.take(4)}...${publicKey.takeLast(4)}")
+            val placeholder = PlaceholderAvatarPhoto(publicKey, displayName ?: "${publicKey.take(4)}...${publicKey.takeLast(4)}")
 
             if (signalProfilePicture != null && avatar != "0" && avatar != "") {
                 glide.load(signalProfilePicture)

app/src/main/java/org/thoughtcrime/securesms/components/menu/ContextMenuList.kt

@@ -17,6 +17,7 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import network.loki.messenger.R
+import org.session.libsession.utilities.getColorFromAttr
 import org.thoughtcrime.securesms.util.adapter.mapping.LayoutFactory
 import org.thoughtcrime.securesms.util.adapter.mapping.MappingAdapter
 import org.thoughtcrime.securesms.util.adapter.mapping.MappingModel
@@ -84,7 +85,7 @@ class ContextMenuList(recyclerView: RecyclerView, onItemClick: () -> Unit) {
         context.theme.resolveAttribute(item.iconRes, typedValue, true)
         icon.setImageDrawable(ContextCompat.getDrawable(context, typedValue.resourceId))
 
-        icon.imageTintList = color?.let(ColorStateList::valueOf)
+        icon.imageTintList = ColorStateList.valueOf(color ?: context.getColorFromAttr(android.R.attr.textColor))
       }
       item.contentDescription?.let(context.resources::getString)?.let { itemView.contentDescription = it }
       title.setText(item.title)

app/src/main/java/org/thoughtcrime/securesms/conversation/disappearingmessages/State.kt

@@ -68,7 +68,7 @@ enum class ExpiryType(
     AFTER_SEND(
         ExpiryMode::AfterSend,
         R.string.expiration_type_disappear_after_send,
-        R.string.expiration_type_disappear_after_read_description,
+        R.string.expiration_type_disappear_after_send_description,
         R.string.AccessibilityId_disappear_after_send_option
     );
 

app/src/main/java/org/thoughtcrime/securesms/conversation/start/ContactListAdapter.kt

@@ -35,11 +35,28 @@ class ContactListAdapter(
             binding.profilePictureView.update(contact.recipient)
             binding.nameTextView.text = contact.displayName
             binding.root.setOnClickListener { listener(contact.recipient) }
+
+            // TODO: When we implement deleting contacts (hide might be safest for now) then probably set a long-click listener here w/ something like:
+            /*
+            binding.root.setOnLongClickListener {
+                Log.w("[ACL]", "Long clicked on contact ${contact.recipient.name}")
+                binding.contentView.context.showSessionDialog {
+                    title("Delete Contact")
+                    text("Are you sure you want to delete this contact?")
+                    button(R.string.delete) {
+                        val contacts = configFactory.contacts ?: return
+                        contacts.upsertContact(contact.recipient.address.serialize()) { priority = PRIORITY_HIDDEN }
+                        ConfigurationMessageUtilities.forceSyncConfigurationNowIfNeeded(context)
+                        endActionMode()
+                    }
+                    cancelButton(::endActionMode)
+                }
+                true
+            }
+            */
         }
 
-        fun unbind() {
+        fun unbind() { binding.profilePictureView.recycle() }
-            binding.profilePictureView.recycle()
-        }
     }
 
     class HeaderViewHolder(
@@ -52,15 +69,11 @@ class ContactListAdapter(
         }
     }
 
-    override fun getItemCount(): Int {
+    override fun getItemCount(): Int { return items.size }
-        return items.size
-    }
 
     override fun onViewRecycled(holder: RecyclerView.ViewHolder) {
         super.onViewRecycled(holder)
-        if (holder is ContactViewHolder) {
+        if (holder is ContactViewHolder) { holder.unbind() }
-            holder.unbind()
-        }
     }
 
     override fun getItemViewType(position: Int): Int {
@@ -72,13 +85,9 @@ class ContactListAdapter(
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         return if (viewType == ViewType.Contact) {
-            ContactViewHolder(
+            ContactViewHolder(ViewContactBinding.inflate(LayoutInflater.from(context), parent, false))
-                ViewContactBinding.inflate(LayoutInflater.from(context), parent, false)
-            )
         } else {
-            HeaderViewHolder(
+            HeaderViewHolder(ContactSectionHeaderBinding.inflate(LayoutInflater.from(context), parent, false))
-                ContactSectionHeaderBinding.inflate(LayoutInflater.from(context), parent, false)
-            )
         }
     }
 

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt

@@ -252,7 +252,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         viewModelFactory.create(threadId, MessagingModuleConfiguration.shared.getUserED25519KeyPair())
     }
     private var actionMode: ActionMode? = null
-    private var unreadCount = 0
+    private var unreadCount = Int.MAX_VALUE
     // Attachments
     private val audioRecorder = AudioRecorder(this)
     private val stopAudioHandler = Handler(Looper.getMainLooper())
@@ -287,8 +287,10 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         if (hexEncodedSeed == null) {
             hexEncodedSeed = IdentityKeyUtil.getIdentityKeyPair(this).hexEncodedPrivateKey // Legacy account
         }
+
+        val appContext = applicationContext
         val loadFileContents: (String) -> String = { fileName ->
-            MnemonicUtilities.loadFileContents(this, fileName)
+            MnemonicUtilities.loadFileContents(appContext, fileName)
         }
         MnemonicCodec(loadFileContents).encode(hexEncodedSeed!!, MnemonicCodec.Language.Configuration.english)
     }
@@ -325,7 +327,6 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
                 }
             },
             onAttachmentNeedsDownload = { attachmentId, mmsId ->
-                // Start download (on IO thread)
                 lifecycleScope.launch(Dispatchers.IO) {
                     JobQueue.shared.add(AttachmentDownloadJob(attachmentId, mmsId))
                 }
@@ -335,8 +336,8 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         )
         adapter.visibleMessageViewDelegate = this
 
-        // Register an AdapterDataObserver to scroll us to the bottom of the RecyclerView if we're
+        // Register an AdapterDataObserver to scroll us to the bottom of the RecyclerView for if
-        // already near the the bottom and the data changes.
+        // we're already near the the bottom and the data changes.
         adapter.registerAdapterDataObserver(ConversationAdapterDataObserver(binding?.conversationRecyclerView!!, adapter))
 
         adapter
@@ -374,7 +375,6 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         const val PICK_GIF = 10
         const val PICK_FROM_LIBRARY = 12
         const val INVITE_CONTACTS = 124
-
     }
     // endregion
 
@@ -575,7 +575,8 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         binding!!.conversationRecyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
 
             override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
-                if (recyclerScrollState == RecyclerView.SCROLL_STATE_IDLE) {
+                // The unreadCount check is to prevent us scrolling to the bottom when we first enter a conversation
+                if (recyclerScrollState == RecyclerView.SCROLL_STATE_IDLE && unreadCount != Int.MAX_VALUE) {
                     scrollToMostRecentMessageIfWeShould()
                 }
                 handleRecyclerViewScrolled()
@@ -832,6 +833,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
 
     override fun onDestroy() {
         viewModel.saveDraft(binding?.inputBar?.text?.trim() ?: "")
+        cancelVoiceMessage()
         tearDownRecipientObserver()
         super.onDestroy()
         binding = null
@@ -1020,7 +1022,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
     }
 
     override fun showVoiceMessageUI() {
-        binding?.inputBarRecordingView?.show()
+        binding?.inputBarRecordingView?.show(lifecycleScope)
         binding?.inputBar?.alpha = 0.0f
         val animation = ValueAnimator.ofObject(FloatEvaluator(), 1.0f, 0.0f)
         animation.duration = 250L
@@ -1112,6 +1114,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         val blindedRecipient = viewModel.blindedRecipient
         val binding = binding ?: return
         val openGroup = viewModel.openGroup
+
         val (textResource, insertParam) = when {
             recipient.isLocalNumber -> R.string.activity_conversation_empty_state_note_to_self to null
             openGroup != null && !openGroup.canWrite -> R.string.activity_conversation_empty_state_read_only to recipient.toShortString()
@@ -1250,6 +1253,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
 
     // `position` is the adapter position; not the visual position
     private fun handleSwipeToReply(message: MessageRecord) {
+        if (message.isOpenGroupInvitation) return
         val recipient = viewModel.recipient ?: return
         binding?.inputBar?.draftQuote(recipient, message, glide)
     }
@@ -1886,8 +1890,8 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         val allSentByCurrentUser = messages.all { it.isOutgoing }
         val allHasHash = messages.all { lokiMessageDb.getMessageServerHash(it.id, it.isMms) != null }
 
-        // If the recipient is a community then we delete the message for everyone
+        // If the recipient is a community OR a Note-to-Self then we delete the message for everyone
-        if (recipient.isCommunityRecipient) {
+        if (recipient.isCommunityRecipient || recipient.isLocalNumber) {
             val messageCount = 1 // Only used for plurals string
             showSessionDialog {
                 title(resources.getQuantityString(R.plurals.ConversationFragment_delete_selected_messages, messageCount, messageCount))
@@ -1917,8 +1921,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
             }
             bottomSheet.show(supportFragmentManager, bottomSheet.tag)
         }
-        else // Finally, if this is a closed group and you are deleting someone else's message(s)
+        else // Finally, if this is a closed group and you are deleting someone else's message(s) then we can only delete locally.
-        // then we can only delete locally.
         {
             val messageCount = 1
             showSessionDialog {
@@ -2027,7 +2030,6 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         val message = messages.first() as MmsMessageRecord
 
         // Do not allow the user to download a file attachment before it has finished downloading
-        // TODO: Localise the msg in this toast!
         if (message.isMediaPending) {
             Toast.makeText(this, resources.getString(R.string.conversation_activity__wait_until_attachment_has_finished_downloading), Toast.LENGTH_LONG).show()
             return

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationAdapter.kt

@@ -209,20 +209,6 @@ class ConversationAdapter(
         return messageDB.readerFor(cursor).current
     }
 
-    private fun getLastSentMessageId(cursor: Cursor): Long {
-        // If we don't move to first (or at least step backwards) we can step off the end of the
-        // cursor and any query will return an "Index = -1" error.
-        val cursorHasContent = cursor.moveToFirst()
-        if (cursorHasContent) {
-            val thisThreadId = cursor.getLong(4) // Column index 4 is "thread_id"
-            if (thisThreadId != -1L) {
-                val thisUsersSessionId = TextSecurePreferences.getLocalNumber(context)
-                return messageDB.getLastSentMessageFromSender(thisThreadId, thisUsersSessionId)
-            }
-        }
-        return -1L
-    }
-
     override fun changeCursor(cursor: Cursor?) {
         super.changeCursor(cursor)
 
@@ -243,11 +229,6 @@ class ConversationAdapter(
         toDeselect.iterator().forEach { (pos, record) ->
             onDeselect(record, pos)
         }
-
-        // This value gets updated here ONLY when the cursor changes, and the value is then passed
-        // through to `VisibleMessageView.bind` each time we bind via `onBindItemViewHolder`, above.
-        // If there are no messages then lastSentMessageId is assigned the value -1L.
-        if (cursor != null) { lastSentMessageId = getLastSentMessageId(cursor) }
     }
 
     fun findLastSeenItemPosition(lastSeenTimestamp: Long): Int? {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationLoader.kt

@@ -2,6 +2,7 @@ package org.thoughtcrime.securesms.conversation.v2
 
 import android.content.Context
 import android.database.Cursor
+import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.thoughtcrime.securesms.dependencies.DatabaseComponent
 import org.thoughtcrime.securesms.util.AbstractCursorLoader
 
@@ -12,6 +13,7 @@ class ConversationLoader(
 ) : AbstractCursorLoader(context) {
 
     override fun getCursor(): Cursor {
+        MessagingModuleConfiguration.shared.lastSentTimestampCache.refresh(threadID)
         return DatabaseComponent.get(context).mmsSmsDatabase().getConversation(threadID, reverse)
     }
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationReactionOverlay.kt

@@ -532,7 +532,7 @@ class ConversationReactionOverlay : FrameLayout {
         items += ActionItem(R.attr.menu_select_icon, R.string.conversation_context__menu_select, { handleActionItemClicked(Action.SELECT) }, R.string.AccessibilityId_select)
         // Reply
         val canWrite = openGroup == null || openGroup.canWrite
-        if (canWrite && !message.isPending && !message.isFailed) {
+        if (canWrite && !message.isPending && !message.isFailed && !message.isOpenGroupInvitation) {
             items += ActionItem(R.attr.menu_reply_icon, R.string.conversation_context__menu_reply, { handleActionItemClicked(Action.REPLY) }, R.string.AccessibilityId_reply_message)
         }
         // Copy message text

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/MessageDetailActivity.kt

@@ -123,7 +123,7 @@ class MessageDetailActivity : PassphraseRequiredActionBarActivity() {
         AppTheme {
             MessageDetails(
                 state = state,
-                onReply = { setResultAndFinish(ON_REPLY) },
+                onReply = if (state.canReply) { { setResultAndFinish(ON_REPLY) } } else null,
                 onResend = state.error?.let { { setResultAndFinish(ON_RESEND) } },
                 onDelete = { setResultAndFinish(ON_DELETE) },
                 onClickImage = { viewModel.onClickImage(it) },
@@ -145,7 +145,7 @@ class MessageDetailActivity : PassphraseRequiredActionBarActivity() {
 @Composable
 fun MessageDetails(
     state: MessageDetailsState,
-    onReply: () -> Unit = {},
+    onReply: (() -> Unit)? = null,
     onResend: (() -> Unit)? = null,
     onDelete: () -> Unit = {},
     onClickImage: (Int) -> Unit = {},
@@ -214,18 +214,20 @@ fun CellMetadata(
 
 @Composable
 fun CellButtons(
-    onReply: () -> Unit = {},
+    onReply: (() -> Unit)? = null,
     onResend: (() -> Unit)? = null,
     onDelete: () -> Unit = {},
 ) {
     Cell {
         Column {
+            onReply?.let {
                 ItemButton(
                     stringResource(R.string.reply),
                     R.drawable.ic_message_details__reply,
-                onClick = onReply
+                    onClick = it
                 )
                 Divider()
+            }
             onResend?.let {
                 ItemButton(
                     stringResource(R.string.resend),

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/MessageDetailsViewModel.kt

@@ -117,7 +117,7 @@ class MessageDetailsViewModel @Inject constructor(
         Attachment(slide.details, slide.fileName.orNull(), slide.uri, slide is ImageSlide)
 
     fun onClickImage(index: Int) {
-        val state = state.value ?: return
+        val state = state.value
         val mmsRecord = state.mmsRecord ?: return
         val slide = mmsRecord.slideDeck.slides[index] ?: return
         // only open to downloaded images
@@ -158,6 +158,7 @@ data class MessageDetailsState(
     val thread: Recipient? = null,
 ) {
     val fromTitle = GetString(R.string.message_details_header__from)
+    val canReply = record?.isOpenGroupInvitation != true
 }
 
 data class Attachment(

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/input_bar/InputBar.kt

@@ -140,6 +140,8 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
     }
 
     fun draftQuote(thread: Recipient, message: MessageRecord, glide: GlideRequests) {
+        quoteView?.let(binding.inputBarAdditionalContentContainer::removeView)
+
         quote = message
 
         // If we already have a link preview View then clear the 'additional content' layout so that
@@ -178,7 +180,7 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
         // message we'll bail early if a link preview View already exists and just let
         // `updateLinkPreview` get called to update the existing View.
         if (linkPreview != null && linkPreviewDraftView != null) return
-
+        linkPreviewDraftView?.let(binding.inputBarAdditionalContentContainer::removeView)
         linkPreviewDraftView = LinkPreviewDraftView(context).also { it.delegate = this }
 
         // Add the link preview View. Note: If there's already a quote View in the 'additional

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/input_bar/InputBarRecordingView.kt

@@ -4,8 +4,6 @@ import android.animation.FloatEvaluator
 import android.animation.IntEvaluator
 import android.animation.ValueAnimator
 import android.content.Context
-import android.os.Handler
-import android.os.Looper
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.ImageView
@@ -14,6 +12,11 @@ import android.widget.RelativeLayout
 import android.widget.TextView
 import androidx.core.content.res.ResourcesCompat
 import androidx.core.view.isVisible
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
 import network.loki.messenger.R
 import network.loki.messenger.databinding.ViewInputBarRecordingBinding
 import org.thoughtcrime.securesms.util.DateUtils
@@ -25,10 +28,10 @@ import java.util.Date
 class InputBarRecordingView : RelativeLayout {
     private lateinit var binding: ViewInputBarRecordingBinding
     private var startTimestamp = 0L
-    private val snHandler = Handler(Looper.getMainLooper())
     private var dotViewAnimation: ValueAnimator? = null
     private var pulseAnimation: ValueAnimator? = null
     var delegate: InputBarRecordingViewDelegate? = null
+    private var timerJob: Job? = null
 
     val lockView: LinearLayout
         get() = binding.lockView
@@ -50,9 +53,10 @@ class InputBarRecordingView : RelativeLayout {
         binding = ViewInputBarRecordingBinding.inflate(LayoutInflater.from(context), this, true)
         binding.inputBarMiddleContentContainer.disableClipping()
         binding.inputBarCancelButton.setOnClickListener { hide() }
+
     }
 
-    fun show() {
+    fun show(scope: CoroutineScope) {
         startTimestamp = Date().time
         binding.recordButtonOverlayImageView.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.ic_microphone, context.theme))
         binding.inputBarCancelButton.alpha = 0.0f
@@ -69,7 +73,7 @@ class InputBarRecordingView : RelativeLayout {
         animateDotView()
         pulse()
         animateLockViewUp()
-        updateTimer()
+        startTimer(scope)
     }
 
     fun hide() {
@@ -86,6 +90,24 @@ class InputBarRecordingView : RelativeLayout {
         }
         animation.start()
         delegate?.handleVoiceMessageUIHidden()
+        stopTimer()
+    }
+
+    private fun startTimer(scope: CoroutineScope) {
+        timerJob?.cancel()
+        timerJob = scope.launch {
+            while (isActive) {
+                val duration = (Date().time - startTimestamp) / 1000L
+                binding.recordingViewDurationTextView.text = DateUtils.formatElapsedTime(duration)
+
+                delay(500)
+            }
+        }
+    }
+
+    private fun stopTimer() {
+        timerJob?.cancel()
+        timerJob = null
     }
 
     private fun animateDotView() {
@@ -129,12 +151,6 @@ class InputBarRecordingView : RelativeLayout {
         animation.start()
     }
 
-    private fun updateTimer() {
-        val duration = (Date().time - startTimestamp) / 1000L
-        binding.recordingViewDurationTextView.text = DateUtils.formatElapsedTime(duration)
-        snHandler.postDelayed({ updateTimer() }, 500)
-    }
-
     fun lock() {
         val fadeOutAnimation = ValueAnimator.ofObject(FloatEvaluator(), 1.0f, 0.0f)
         fadeOutAnimation.duration = 250L

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/menus/ConversationActionModeCallback.kt

@@ -77,7 +77,7 @@ class ConversationActionModeCallback(private val adapter: ConversationAdapter, p
             && firstMessage.isMms && (firstMessage as MediaMmsMessageRecord).containsMediaSlide())
         // Reply
         menu.findItem(R.id.menu_context_reply).isVisible =
-            (selectedItems.size == 1 && !firstMessage.isPending && !firstMessage.isFailed)
+            (selectedItems.size == 1 && !firstMessage.isPending && !firstMessage.isFailed && !firstMessage.isOpenGroupInvitation)
     }
 
     override fun onPrepareActionMode(mode: ActionMode?, menu: Menu): Boolean {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageView.kt

@@ -22,7 +22,6 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.content.ContextCompat
 import androidx.core.os.bundleOf
-import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.view.marginBottom
 import dagger.hilt.android.AndroidEntryPoint
@@ -37,7 +36,9 @@ import org.session.libsession.utilities.ViewUtil
 import org.session.libsession.utilities.getColorFromAttr
 import org.session.libsession.utilities.modifyLayoutParams
 import org.session.libsignal.utilities.IdPrefix
+import org.session.libsignal.utilities.Log
 import org.thoughtcrime.securesms.conversation.v2.ConversationActivityV2
+import org.thoughtcrime.securesms.database.LastSentTimestampCache
 import org.thoughtcrime.securesms.database.LokiAPIDatabase
 import org.thoughtcrime.securesms.database.LokiThreadDatabase
 import org.thoughtcrime.securesms.database.MmsDatabase
@@ -65,12 +66,14 @@ private const val TAG = "VisibleMessageView"
 
 @AndroidEntryPoint
 class VisibleMessageView : LinearLayout {
+    private var replyDisabled: Boolean = false
     @Inject lateinit var threadDb: ThreadDatabase
     @Inject lateinit var lokiThreadDb: LokiThreadDatabase
     @Inject lateinit var lokiApiDb: LokiAPIDatabase
     @Inject lateinit var mmsSmsDb: MmsSmsDatabase
     @Inject lateinit var smsDb: SmsDatabase
     @Inject lateinit var mmsDb: MmsDatabase
+    @Inject lateinit var lastSentTimestampCache: LastSentTimestampCache
 
     private val binding by lazy { ViewVisibleMessageBinding.bind(this) }
     private val swipeToReplyIcon = ContextCompat.getDrawable(context, R.drawable.ic_baseline_reply_24)!!.mutate()
@@ -135,6 +138,7 @@ class VisibleMessageView : LinearLayout {
         onAttachmentNeedsDownload: (Long, Long) -> Unit,
         lastSentMessageId: Long
     ) {
+        replyDisabled = message.isOpenGroupInvitation
         val threadID = message.threadId
         val thread = threadDb.getRecipientForThreadId(threadID) ?: return
         val isGroupThread = thread.isGroupRecipient
@@ -206,7 +210,7 @@ class VisibleMessageView : LinearLayout {
         binding.dateBreakTextView.text = if (showDateBreak) DateUtils.getDisplayFormattedTimeSpanString(context, Locale.getDefault(), message.timestamp) else null
         binding.dateBreakTextView.isVisible = showDateBreak
 
-        // Message status indicator
+        // Update message status indicator
         showStatusMessage(message)
 
         // Emoji Reactions
@@ -243,44 +247,99 @@ class VisibleMessageView : LinearLayout {
         onDoubleTap = { binding.messageContentView.root.onContentDoubleTap?.invoke() }
     }
 
+    // Method to display or hide the status of a message.
+    // Note: Although most commonly used to display the delivery status of a message, we also use the
+    // message status area to display the disappearing messages state - so in this latter case we'll
+    // be displaying the "Sent" and the animating clock icon for outgoing messages or "Read" and the
+    // animated clock icon for incoming messages.
     private fun showStatusMessage(message: MessageRecord) {
+        // We'll start by hiding everything and then only make visible what we need
+        binding.messageStatusTextView.isVisible  = false
+        binding.messageStatusImageView.isVisible = false
+        binding.expirationTimerView.isVisible    = false
 
-        val scheduledToDisappear = message.expiresIn > 0
+        // Get details regarding how we should display the message (it's delivery icon, icon tint colour, and
+        // the resource string for what text to display (R.string.delivery_status_sent etc.).
+        val (iconID, iconColor, textId) = getMessageStatusInfo(message)
+
+        // If we get any nulls then a message isn't one with a state that we care about (i.e., control messages
+        // etc.) - so bail. See: `DisplayRecord.is<WHATEVER>` for the full suite of message state methods.
+        // Also: We set all delivery status elements visibility to false just to make sure we don't display any
+        // stale data.
+        if (textId == null) return
 
         binding.messageInnerLayout.modifyLayoutParams<FrameLayout.LayoutParams> {
             gravity = if (message.isOutgoing) Gravity.END else Gravity.START
         }
-
         binding.statusContainer.modifyLayoutParams<ConstraintLayout.LayoutParams> {
             horizontalBias = if (message.isOutgoing) 1f else 0f
         }
 
-        binding.expirationTimerView.isGone = true
+        // If the message is incoming AND it is not scheduled to disappear then don't show any status or timer details
+        val scheduledToDisappear = message.expiresIn > 0
+        if (message.isIncoming && !scheduledToDisappear) return
 
-        if (message.isOutgoing || scheduledToDisappear) {
+        // Set text & icons as appropriate for the message state. Note: Possible message states we care
-            val (iconID, iconColor, textId) = getMessageStatusImage(message)
+        // about are: isFailed, isSyncFailed, isPending, isSyncing, isResyncing, isRead, and isSent.
-            textId?.let(binding.messageStatusTextView::setText)
+        textId.let(binding.messageStatusTextView::setText)
         iconColor?.let(binding.messageStatusTextView::setTextColor)
         iconID?.let { ContextCompat.getDrawable(context, it) }
             ?.run { iconColor?.let { mutate().apply { setTint(it) } } ?: this }
             ?.let(binding.messageStatusImageView::setImageDrawable)
 
-            // Always show the delivery status of the last sent message
+        // Potential options at this point are that the message is:
-            val thisUsersSessionId = TextSecurePreferences.getLocalNumber(context)
+        //   i.) incoming AND scheduled to disappear.
-            val lastSentMessageId = mmsSmsDb.getLastSentMessageFromSender(message.threadId, thisUsersSessionId)
+        //   ii.) outgoing but NOT scheduled to disappear, or
-            val isLastSentMessage = lastSentMessageId == message.id
+        //   iii.) outgoing AND scheduled to disappear.
 
-            binding.messageStatusTextView.isVisible = textId != null && (isLastSentMessage || scheduledToDisappear)
+        // ----- Case i..) Message is incoming and scheduled to disappear -----
-            val showTimer = scheduledToDisappear && !message.isPending
+        if (message.isIncoming && scheduledToDisappear) {
-            binding.messageStatusImageView.isVisible = iconID != null && !showTimer && (!message.isSent || isLastSentMessage)
+            // Display the status ('Read') and the show the timer only (no delivery icon)
-
+            binding.messageStatusTextView.isVisible  = true
-            binding.messageStatusImageView.bringToFront()
+            binding.expirationTimerView.isVisible    = true
             binding.expirationTimerView.bringToFront()
-            binding.expirationTimerView.isVisible = showTimer
+            updateExpirationTimer(message)
-            if (showTimer) updateExpirationTimer(message)
+            return
+        }
+
+        // --- If we got here then we know the message is outgoing ---
+
+        // ----- Case ii.) Message is outgoing but NOT scheduled to disappear -----
+        if (!scheduledToDisappear) {
+            // If this isn't a disappearing message then we never show the timer
+
+            // If the message has NOT been successfully sent then always show the delivery status text and icon..
+            val neitherSentNorRead = !(message.isSent || message.isRead)
+            if (neitherSentNorRead) {
+                binding.messageStatusTextView.isVisible = true
+                binding.messageStatusImageView.isVisible = true
             } else {
-            binding.messageStatusTextView.isVisible = false
+                // ..but if the message HAS been successfully sent or read then only display the delivery status
-            binding.messageStatusImageView.isVisible = false
+                // text and image if this is the last sent message.
+                val lastSentTimestamp = lastSentTimestampCache.getTimestamp(message.threadId)
+                val isLastSent = lastSentTimestamp == message.timestamp
+                binding.messageStatusTextView.isVisible  = isLastSent
+                binding.messageStatusImageView.isVisible = isLastSent
+                if (isLastSent) { binding.messageStatusImageView.bringToFront() }
+            }
+        }
+        else // ----- Case iii.) Message is outgoing AND scheduled to disappear -----
+        {
+            // Always display the delivery status text on all outgoing disappearing messages
+            binding.messageStatusTextView.isVisible = true
+
+            // If the message is sent or has been read..
+            val sentOrRead = message.isSent || message.isRead
+            if (sentOrRead) {
+                // ..then display the timer icon for this disappearing message (but keep the message status icon hidden)
+                binding.expirationTimerView.isVisible = true
+                binding.expirationTimerView.bringToFront()
+                updateExpirationTimer(message)
+            } else {
+                // If the message has NOT been sent or read (or it has failed) then show the delivery status icon rather than the timer icon
+                binding.messageStatusImageView.isVisible = true
+                binding.messageStatusImageView.bringToFront()
+            }
         }
     }
 
@@ -302,10 +361,9 @@ class VisibleMessageView : LinearLayout {
                                  @ColorInt val iconTint: Int?,
                                  @StringRes val messageText: Int?)
 
-    private fun getMessageStatusImage(message: MessageRecord): MessageStatusInfo = when {
+    private fun getMessageStatusInfo(message: MessageRecord): MessageStatusInfo = when {
         message.isFailed ->
-            MessageStatusInfo(
+            MessageStatusInfo(R.drawable.ic_delivery_status_failed,
-                R.drawable.ic_delivery_status_failed,
                 resources.getColor(R.color.destructive, context.theme),
                 R.string.delivery_status_failed
             )
@@ -318,24 +376,32 @@ class VisibleMessageView : LinearLayout {
         message.isPending ->
             MessageStatusInfo(
                 R.drawable.ic_delivery_status_sending,
-                context.getColorFromAttr(R.attr.message_status_color), R.string.delivery_status_sending
+                context.getColorFromAttr(R.attr.message_status_color),
+                R.string.delivery_status_sending
             )
-        message.isResyncing ->
+        message.isSyncing || message.isResyncing ->
             MessageStatusInfo(
                 R.drawable.ic_delivery_status_sending,
-                context.getColor(R.color.accent_orange), R.string.delivery_status_syncing
+                context.getColorFromAttr(R.attr.message_status_color),
+                R.string.delivery_status_sending // We COULD tell the user that we're `syncing` (R.string.delivery_status_syncing) but it will likely make more sense to them if we say "Sending"
             )
-        message.isRead || !message.isOutgoing ->
+        message.isRead || message.isIncoming ->
             MessageStatusInfo(
                 R.drawable.ic_delivery_status_read,
-                context.getColorFromAttr(R.attr.message_status_color), R.string.delivery_status_read
+                context.getColorFromAttr(R.attr.message_status_color),
+                R.string.delivery_status_read
             )
-        else ->
+        message.isSent ->
             MessageStatusInfo(
                 R.drawable.ic_delivery_status_sent,
                 context.getColorFromAttr(R.attr.message_status_color),
                 R.string.delivery_status_sent
             )
+        else -> {
+            // The message isn't one we care about for message statuses we display to the user (i.e.,
+            // control messages etc. - see the  `DisplayRecord.is<WHATEVER>` suite of methods for options).
+            MessageStatusInfo(null, null, null)
+        }
     }
 
     private fun updateExpirationTimer(message: MessageRecord) {
@@ -409,6 +475,7 @@ class VisibleMessageView : LinearLayout {
         } else {
             longPressCallback?.let { gestureHandler.removeCallbacks(it) }
         }
+        if (replyDisabled) return
         if (translationX > 0) { return } // Only allow swipes to the left
         // The idea here is to asymptotically approach a maximum drag distance
         val damping = 50.0f

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/utilities/AttachmentManager.java

@@ -241,7 +241,21 @@ public class AttachmentManager {
   }
 
   public static void selectDocument(Activity activity, int requestCode) {
-    selectMediaType(activity, "*/*", null, requestCode);
+    Permissions.PermissionsBuilder builder = Permissions.with(activity);
+
+    // The READ_EXTERNAL_STORAGE permission is deprecated (and will AUTO-FAIL if requested!) on
+    // Android 13 and above (API 33 - 'Tiramisu') we must ask for READ_MEDIA_VIDEO/IMAGES/AUDIO instead.
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+      builder = builder.request(Manifest.permission.READ_MEDIA_VIDEO)
+                       .request(Manifest.permission.READ_MEDIA_IMAGES)
+                       .request(Manifest.permission.READ_MEDIA_AUDIO);
+    } else {
+      builder = builder.request(Manifest.permission.READ_EXTERNAL_STORAGE);
+    }
+    builder.withPermanentDenialDialog(activity.getString(R.string.AttachmentManager_signal_requires_the_external_storage_permission_in_order_to_attach_photos_videos_or_audio))
+            .withRationaleDialog(activity.getString(R.string.ConversationActivity_to_send_photos_and_video_allow_signal_access_to_storage), R.drawable.ic_baseline_photo_library_24)
+            .onAllGranted(() -> selectMediaType(activity, "*/*", null, requestCode)) // Note: We can use startActivityForResult w/ the ACTION_OPEN_DOCUMENT or ACTION_OPEN_DOCUMENT_TREE intent if we need to modernise this.
+            .execute();
   }
 
   public static void selectGallery(Activity activity, int requestCode, @NonNull Recipient recipient, @NonNull String body) {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/utilities/MentionUtilities.kt

@@ -1,21 +1,28 @@
 package org.thoughtcrime.securesms.conversation.v2.utilities
 
+import android.app.Application
 import android.content.Context
 import android.graphics.Typeface
 import android.text.Spannable
 import android.text.SpannableString
+import android.text.style.BackgroundColorSpan
 import android.text.style.ForegroundColorSpan
 import android.text.style.StyleSpan
 import android.util.Range
+import androidx.appcompat.widget.ThemeUtils
 import androidx.core.content.res.ResourcesCompat
 import network.loki.messenger.R
 import nl.komponents.kovenant.combine.Tuple2
 import org.session.libsession.messaging.contacts.Contact
 import org.session.libsession.messaging.utilities.SodiumUtilities
 import org.session.libsession.utilities.TextSecurePreferences
+import org.session.libsession.utilities.ThemeUtil
+import org.session.libsignal.utilities.Log
 import org.thoughtcrime.securesms.dependencies.DatabaseComponent
 import org.thoughtcrime.securesms.util.UiModeUtilities
 import org.thoughtcrime.securesms.util.getAccentColor
+import org.thoughtcrime.securesms.util.getColorResourceIdFromAttr
+import org.thoughtcrime.securesms.util.getMessageTextColourAttr
 import java.util.regex.Pattern
 
 object MentionUtilities {
@@ -58,15 +65,37 @@ object MentionUtilities {
             }
         }
         val result = SpannableString(text)
-        val isLightMode = UiModeUtilities.isDayUiMode(context)
+
-        val color = if (isOutgoingMessage) {
+        var mentionTextColour: Int? = null
-            ResourcesCompat.getColor(context.resources, if (isLightMode) R.color.white else R.color.black, context.theme)
+        // In dark themes..
-        } else {
+        if (ThemeUtil.isDarkTheme(context)) {
-            context.getAccentColor()
+            // ..we use the standard outgoing message colour for outgoing messages..
+            if (isOutgoingMessage) {
+                val mentionTextColourAttributeId = getMessageTextColourAttr(true)
+                val mentionTextColourResourceId = getColorResourceIdFromAttr(context, mentionTextColourAttributeId)
+                mentionTextColour = ResourcesCompat.getColor(context.resources, mentionTextColourResourceId, context.theme)
             }
+            else // ..but we use the accent colour for incoming messages (i.e., someone mentioning us)..
+            {
+                mentionTextColour = context.getAccentColor()
+            }
+        }
+        else // ..while in light themes we always just use the incoming or outgoing message text colour for mentions.
+        {
+            val mentionTextColourAttributeId = getMessageTextColourAttr(isOutgoingMessage)
+            val mentionTextColourResourceId = getColorResourceIdFromAttr(context, mentionTextColourAttributeId)
+            mentionTextColour = ResourcesCompat.getColor(context.resources, mentionTextColourResourceId, context.theme)
+        }
+
         for (mention in mentions) {
-            result.setSpan(ForegroundColorSpan(color), mention.first.lower, mention.first.upper, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+            result.setSpan(ForegroundColorSpan(mentionTextColour), mention.first.lower, mention.first.upper, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
             result.setSpan(StyleSpan(Typeface.BOLD), mention.first.lower, mention.first.upper, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+
+            // If we're using a light theme then we change the background colour of the mention to be the accent colour
+            if (ThemeUtil.isLightTheme(context)) {
+                val backgroundColour = context.getAccentColor();
+                result.setSpan(BackgroundColorSpan(backgroundColour), mention.first.lower, mention.first.upper, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+            }
         }
         return result
     }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/utilities/ResendMessageUtilities.kt

@@ -40,18 +40,16 @@ object ResendMessageUtilities {
             message.recipient = messageRecord.recipient.address.serialize()
         }
         message.threadID = messageRecord.threadId
-        if (messageRecord.isMms) {
+        if (messageRecord.isMms && messageRecord is MmsMessageRecord) {
-            val mmsMessageRecord = messageRecord as MmsMessageRecord
+            messageRecord.linkPreviews.firstOrNull()?.let { message.linkPreview = LinkPreview.from(it) }
-            if (mmsMessageRecord.linkPreviews.isNotEmpty()) {
+            messageRecord.quote?.quoteModel?.let {
-                message.linkPreview = LinkPreview.from(mmsMessageRecord.linkPreviews[0])
+                message.quote = Quote.from(it)?.apply {
-            }
+                    if (userBlindedKey != null && publicKey == TextSecurePreferences.getLocalNumber(context)) {
-            if (mmsMessageRecord.quote != null) {
+                        publicKey = userBlindedKey
-                message.quote = Quote.from(mmsMessageRecord.quote!!.quoteModel)
-                if (userBlindedKey != null && messageRecord.quote!!.author.serialize() == TextSecurePreferences.getLocalNumber(context)) {
-                    message.quote!!.publicKey = userBlindedKey
                     }
                 }
-            message.addSignalAttachments(mmsMessageRecord.slideDeck.asAttachments())
+            }
+            message.addSignalAttachments(messageRecord.slideDeck.asAttachments())
         }
         val sentTimestamp = message.sentTimestamp
         val sender = MessagingModuleConfiguration.shared.storage.getUserPublicKey()

app/src/main/java/org/thoughtcrime/securesms/crypto/KeyPairUtilities.kt

@@ -1,10 +1,9 @@
 package org.thoughtcrime.securesms.crypto
 
 import android.content.Context
-import com.goterl.lazysodium.LazySodiumAndroid
-import com.goterl.lazysodium.SodiumAndroid
 import com.goterl.lazysodium.utils.Key
 import com.goterl.lazysodium.utils.KeyPair
+import org.session.libsession.messaging.utilities.SodiumUtilities.sodium
 import org.session.libsignal.crypto.ecc.DjbECPrivateKey
 import org.session.libsignal.crypto.ecc.DjbECPublicKey
 import org.session.libsignal.crypto.ecc.ECKeyPair
@@ -13,8 +12,6 @@ import org.session.libsignal.utilities.Hex
 
 object KeyPairUtilities {
 
-    private val sodium by lazy { LazySodiumAndroid(SodiumAndroid()) }
-
     fun generate(): KeyPairGenerationResult {
         val seed = sodium.randomBytesBuf(16)
         try {

app/src/main/java/org/thoughtcrime/securesms/database/ConversationNotificationDebouncer.kt

@@ -5,9 +5,9 @@ import android.content.Context
 import org.session.libsession.utilities.Debouncer
 import org.thoughtcrime.securesms.ApplicationContext
 
-class ConversationNotificationDebouncer(private val context: Context) {
+class ConversationNotificationDebouncer(private val context: ApplicationContext) {
     private val threadIDs = mutableSetOf<Long>()
-    private val handler = (context.applicationContext as ApplicationContext).conversationListNotificationHandler
+    private val handler = context.conversationListNotificationHandler
     private val debouncer = Debouncer(handler, 100)
 
     companion object {
@@ -17,20 +17,28 @@ class ConversationNotificationDebouncer(private val context: Context) {
         @Synchronized
         fun get(context: Context): ConversationNotificationDebouncer {
             if (::shared.isInitialized) { return shared }
-            shared = ConversationNotificationDebouncer(context)
+            shared = ConversationNotificationDebouncer(context.applicationContext as ApplicationContext)
             return shared
         }
     }
 
     fun notify(threadID: Long) {
+        synchronized(threadIDs) {
             threadIDs.add(threadID)
+        }
+
         debouncer.publish { publish() }
     }
 
     private fun publish() {
-        for (threadID in threadIDs.toList()) {
+        val toNotify = synchronized(threadIDs) {
+            val copy = threadIDs.toList()
+            threadIDs.clear()
+            copy
+        }
+
+        for (threadID in toNotify) {
             context.contentResolver.notifyChange(DatabaseContentProviders.Conversation.getUriForThread(threadID), null)
         }
-        threadIDs.clear()
     }
 }

app/src/main/java/org/thoughtcrime/securesms/database/LastSentTimestampCache.kt

@@ -0,0 +1,38 @@
+package org.thoughtcrime.securesms.database
+
+import org.session.libsession.messaging.LastSentTimestampCache
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class LastSentTimestampCache @Inject constructor(
+    val mmsSmsDatabase: MmsSmsDatabase
+): LastSentTimestampCache {
+
+    private val map = mutableMapOf<Long, Long>()
+
+    @Synchronized
+    override fun getTimestamp(threadId: Long): Long? = map[threadId]
+
+    @Synchronized
+    override fun submitTimestamp(threadId: Long, timestamp: Long) {
+        if (map[threadId]?.let { timestamp <= it } == true) return
+
+        map[threadId] = timestamp
+    }
+
+    @Synchronized
+    override fun delete(threadId: Long, timestamps: List<Long>) {
+        if (map[threadId]?.let { it !in timestamps } == true) return
+        map.remove(threadId)
+        refresh(threadId)
+    }
+
+    @Synchronized
+    override fun refresh(threadId: Long) {
+        if (map[threadId]?.let { it > 0 } == true) return
+        val lastOutgoingTimestamp = mmsSmsDatabase.getLastOutgoingTimestamp(threadId)
+        if (lastOutgoingTimestamp <= 0) return
+        map[threadId] = lastOutgoingTimestamp
+    }
+}

app/src/main/java/org/thoughtcrime/securesms/database/MmsDatabase.kt

@@ -1095,8 +1095,7 @@ class MmsDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Messa
         }
         val whereString = where.substring(0, where.length - 4)
         try {
-            cursor =
+            cursor = db!!.query(TABLE_NAME, arrayOf<String?>(ID), whereString, null, null, null, null)
-                db!!.query(TABLE_NAME, arrayOf<String?>(ID), whereString, null, null, null, null)
             val toDeleteStringMessageIds = mutableListOf<String>()
             while (cursor.moveToNext()) {
                 toDeleteStringMessageIds += cursor.getLong(0).toString()
@@ -1148,13 +1147,9 @@ class MmsDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Messa
         }
     }
 
-    fun readerFor(cursor: Cursor?): Reader {
+    fun readerFor(cursor: Cursor?, getQuote: Boolean = true) = Reader(cursor, getQuote)
-        return Reader(cursor)
-    }
 
-    fun readerFor(message: OutgoingMediaMessage?, threadId: Long): OutgoingMessageReader {
+    fun readerFor(message: OutgoingMediaMessage?, threadId: Long) = OutgoingMessageReader(message, threadId)
-        return OutgoingMessageReader(message, threadId)
-    }
 
     fun setQuoteMissing(messageId: Long): Int {
         val contentValues = ContentValues()
@@ -1218,7 +1213,7 @@ class MmsDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Messa
 
     }
 
-    inner class Reader(private val cursor: Cursor?) : Closeable {
+    inner class Reader(private val cursor: Cursor?, private val getQuote: Boolean = true) : Closeable {
         val next: MessageRecord?
             get() = if (cursor == null || !cursor.moveToNext()) null else current
         val current: MessageRecord
@@ -1227,7 +1222,7 @@ class MmsDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Messa
                 return if (mmsType == PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND.toLong()) {
                     getNotificationMmsMessageRecord(cursor)
                 } else {
-                    getMediaMmsMessageRecord(cursor)
+                    getMediaMmsMessageRecord(cursor, getQuote)
                 }
             }
 
@@ -1254,20 +1249,10 @@ class MmsDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Messa
                     DELIVERY_RECEIPT_COUNT
                 )
             )
-            var readReceiptCount = cursor.getInt(cursor.getColumnIndexOrThrow(READ_RECEIPT_COUNT))
+            val readReceiptCount = if (isReadReceiptsEnabled(context)) cursor.getInt(cursor.getColumnIndexOrThrow(READ_RECEIPT_COUNT)) else 0
-            val subscriptionId = cursor.getInt(cursor.getColumnIndexOrThrow(SUBSCRIPTION_ID))
             val hasMention = (cursor.getInt(cursor.getColumnIndexOrThrow(HAS_MENTION)) == 1)
-            if (!isReadReceiptsEnabled(context)) {
+            val contentLocationBytes: ByteArray? = contentLocation?.takeUnless { it.isEmpty() }?.let(::toIsoBytes)
-                readReceiptCount = 0
+            val transactionIdBytes: ByteArray? = transactionId?.takeUnless { it.isEmpty() }?.let(::toIsoBytes)
-            }
-            var contentLocationBytes: ByteArray? = null
-            var transactionIdBytes: ByteArray? = null
-            if (!contentLocation.isNullOrEmpty()) contentLocationBytes = toIsoBytes(
-                contentLocation
-            )
-            if (!transactionId.isNullOrEmpty()) transactionIdBytes = toIsoBytes(
-                transactionId
-            )
             val slideDeck = SlideDeck(context, MmsNotificationAttachment(status, messageSize))
             return NotificationMmsMessageRecord(
                 id, recipient, recipient,
@@ -1278,7 +1263,7 @@ class MmsDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Messa
             )
         }
 
-        private fun getMediaMmsMessageRecord(cursor: Cursor): MediaMmsMessageRecord {
+        private fun getMediaMmsMessageRecord(cursor: Cursor, getQuote: Boolean): MediaMmsMessageRecord {
             val id = cursor.getLong(cursor.getColumnIndexOrThrow(ID))
             val dateSent = cursor.getLong(cursor.getColumnIndexOrThrow(NORMALIZED_DATE_SENT))
             val dateReceived = cursor.getLong(
@@ -1329,7 +1314,7 @@ class MmsDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Messa
                     .filterNot { o: DatabaseAttachment? -> o in contactAttachments }
                     .filterNot { o: DatabaseAttachment? -> o in previewAttachments }
             )
-            val quote = getQuote(cursor)
+            val quote = if (getQuote) getQuote(cursor) else null
             val reactions = get(context).reactionDatabase().getReactions(cursor)
             return MediaMmsMessageRecord(
                 id, recipient, recipient,
@@ -1382,7 +1367,7 @@ class MmsDatabase(context: Context, databaseHelper: SQLCipherOpenHelper) : Messa
             val quoteId = cursor.getLong(cursor.getColumnIndexOrThrow(QUOTE_ID))
             val quoteAuthor = cursor.getString(cursor.getColumnIndexOrThrow(QUOTE_AUTHOR))
             if (quoteId == 0L || quoteAuthor.isNullOrBlank()) return null
-            val retrievedQuote = get(context).mmsSmsDatabase().getMessageFor(quoteId, quoteAuthor)
+            val retrievedQuote = get(context).mmsSmsDatabase().getMessageFor(quoteId, quoteAuthor, false)
             val quoteText = retrievedQuote?.body
             val quoteMissing = retrievedQuote == null
             val quoteDeck = (

app/src/main/java/org/thoughtcrime/securesms/database/MmsSmsColumns.java

@@ -9,7 +9,11 @@ public interface MmsSmsColumns {
   public static final String THREAD_ID                = "thread_id";
   public static final String READ                     = "read";
   public static final String BODY                     = "body";
+
+  // This is the address of the message recipient, which may be a single user, a group, or a community!
+  // It is NOT the address of the sender of any given message!
   public static final String ADDRESS                  = "address";
+
   public static final String ADDRESS_DEVICE_ID        = "address_device_id";
   public static final String DELIVERY_RECEIPT_COUNT   = "delivery_receipt_count";
   public static final String READ_RECEIPT_COUNT       = "read_receipt_count";

app/src/main/java/org/thoughtcrime/securesms/database/MmsSmsDatabase.java

@@ -97,9 +97,13 @@ public class MmsSmsDatabase extends Database {
   }
 
   public @Nullable MessageRecord getMessageFor(long timestamp, String serializedAuthor) {
+    return getMessageFor(timestamp, serializedAuthor, true);
+  }
+
+  public @Nullable MessageRecord getMessageFor(long timestamp, String serializedAuthor, boolean getQuote) {
 
     try (Cursor cursor = queryTables(PROJECTION, MmsSmsColumns.NORMALIZED_DATE_SENT + " = " + timestamp, null, null)) {
-      MmsSmsDatabase.Reader reader = readerFor(cursor);
+      MmsSmsDatabase.Reader reader = readerFor(cursor, getQuote);
 
       MessageRecord messageRecord;
       boolean isOwnNumber = Util.isOwnNumber(context, serializedAuthor);
@@ -295,15 +299,7 @@ public class MmsSmsDatabase extends Database {
     return identifiedMessages;
   }
 
-  public long getLastSentMessageFromSender(long threadId, String serializedAuthor) {
+  public long getLastOutgoingTimestamp(long threadId) {
-
-    // Early exit
-    boolean isOwnNumber = Util.isOwnNumber(context, serializedAuthor);
-    if (!isOwnNumber) {
-      Log.i(TAG, "Asked to find last sent message but sender isn't us - returning null.");
-      return -1;
-    }
-
     String order = MmsSmsColumns.NORMALIZED_DATE_SENT + " DESC";
     String selection = MmsSmsColumns.THREAD_ID + " = " + threadId;
 
@@ -311,8 +307,13 @@ public class MmsSmsDatabase extends Database {
     try (Cursor cursor = queryTables(PROJECTION, selection, order, null)) {
       try (MmsSmsDatabase.Reader reader = readerFor(cursor)) {
         MessageRecord messageRecord;
+        long attempts = 0;
+        long maxAttempts = 20;
         while ((messageRecord = reader.getNext()) != null) {
-          if (messageRecord.isOutgoing()) { return messageRecord.id; }
+          // Note: We rely on the message order to get us the most recent outgoing message - so we
+          // take the first outgoing message we find as the last outgoing message.
+          if (messageRecord.isOutgoing()) return messageRecord.getTimestamp();
+          if (attempts++ > maxAttempts) break;
         }
       }
     }
@@ -320,6 +321,19 @@ public class MmsSmsDatabase extends Database {
     return -1;
   }
 
+  public long getLastMessageTimestamp(long threadId) {
+    String order     = MmsSmsColumns.NORMALIZED_DATE_SENT + " DESC";
+    String selection = MmsSmsColumns.THREAD_ID + " = " + threadId;
+
+    try (Cursor cursor = queryTables(PROJECTION, selection, order, "1")) {
+      if (cursor.moveToFirst()) {
+        return cursor.getLong(cursor.getColumnIndexOrThrow(MmsSmsColumns.NORMALIZED_DATE_SENT));
+      }
+    }
+
+    return -1;
+  }
+
   public Cursor getUnread() {
     String order           = MmsSmsColumns.NORMALIZED_DATE_SENT + " ASC";
     String selection       = "(" + MmsSmsColumns.READ + " = 0 OR " + MmsSmsColumns.REACTIONS_UNREAD + " = 1) AND " + MmsSmsColumns.NOTIFIED + " = 0";
@@ -625,7 +639,11 @@ public class MmsSmsDatabase extends Database {
   }
 
   public Reader readerFor(@NonNull Cursor cursor) {
-    return new Reader(cursor);
+    return readerFor(cursor, true);
+  }
+
+  public Reader readerFor(@NonNull Cursor cursor, boolean getQuote) {
+    return new Reader(cursor, getQuote);
   }
 
   @NotNull
@@ -648,11 +666,13 @@ public class MmsSmsDatabase extends Database {
   public class Reader implements Closeable {
 
     private final Cursor                 cursor;
+    private final boolean                getQuote;
     private       SmsDatabase.Reader     smsReader;
     private       MmsDatabase.Reader     mmsReader;
 
-    public Reader(Cursor cursor) {
+    public Reader(Cursor cursor, boolean getQuote) {
       this.cursor = cursor;
+      this.getQuote = getQuote;
     }
 
     private SmsDatabase.Reader getSmsReader() {
@@ -665,7 +685,7 @@ public class MmsSmsDatabase extends Database {
 
     private MmsDatabase.Reader getMmsReader() {
       if (mmsReader == null) {
-        mmsReader = DatabaseComponent.get(context).mmsDatabase().readerFor(cursor);
+        mmsReader = DatabaseComponent.get(context).mmsDatabase().readerFor(cursor, getQuote);
       }
 
       return mmsReader;

app/src/main/java/org/thoughtcrime/securesms/database/SmsDatabase.java

@@ -22,15 +22,11 @@ import android.content.Context;
 import android.database.Cursor;
 import android.text.TextUtils;
 import android.util.Pair;
-
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-
 import com.annimon.stream.Stream;
-
 import net.zetetic.database.sqlcipher.SQLiteDatabase;
 import net.zetetic.database.sqlcipher.SQLiteStatement;
-
 import org.apache.commons.lang3.StringUtils;
 import org.session.libsession.messaging.calls.CallMessageType;
 import org.session.libsession.messaging.messages.signal.IncomingGroupMessage;
@@ -51,7 +47,6 @@ import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.ReactionRecord;
 import org.thoughtcrime.securesms.database.model.SmsMessageRecord;
 import org.thoughtcrime.securesms.dependencies.DatabaseComponent;
-
 import java.io.Closeable;
 import java.io.IOException;
 import java.security.SecureRandom;
@@ -633,7 +628,8 @@ public class SmsDatabase extends MessagingDatabase {
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     long threadId = getThreadIdForMessage(messageId);
     db.delete(TABLE_NAME, ID_WHERE, new String[] {messageId+""});
-    boolean threadDeleted = DatabaseComponent.get(context).threadDatabase().update(threadId, false, true);
+    notifyConversationListeners(threadId);
+    boolean threadDeleted = DatabaseComponent.get(context).threadDatabase().update(threadId, false, false);
     return threadDeleted;
   }
 
@@ -700,12 +696,7 @@ public class SmsDatabase extends MessagingDatabase {
     }
   }
 
-  /*package */void deleteThread(long threadId) {
+  void deleteMessagesInThreadBeforeDate(long threadId, long date) {
-    SQLiteDatabase db = databaseHelper.getWritableDatabase();
-    db.delete(TABLE_NAME, THREAD_ID + " = ?", new String[] {threadId+""});
-  }
-
-  /*package*/void deleteMessagesInThreadBeforeDate(long threadId, long date) {
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     String where      = THREAD_ID + " = ? AND (CASE " + TYPE;
 
@@ -718,7 +709,12 @@ public class SmsDatabase extends MessagingDatabase {
     db.delete(TABLE_NAME, where, new String[] {threadId + ""});
   }
 
-  /*package*/ void deleteThreads(Set<Long> threadIds) {
+  void deleteThread(long threadId) {
+    SQLiteDatabase db = databaseHelper.getWritableDatabase();
+    db.delete(TABLE_NAME, THREAD_ID + " = ?", new String[] {threadId+""});
+  }
+
+  void deleteThreads(Set<Long> threadIds) {
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     String where      = "";
 
@@ -726,23 +722,23 @@ public class SmsDatabase extends MessagingDatabase {
       where += THREAD_ID + " = '" + threadId + "' OR ";
     }
 
-    where = where.substring(0, where.length() - 4);
+    where = where.substring(0, where.length() - 4); // Remove the final: "' OR "
 
     db.delete(TABLE_NAME, where, null);
   }
 
-  /*package */ void deleteAllThreads() {
+  void deleteAllThreads() {
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     db.delete(TABLE_NAME, null, null);
   }
 
-  /*package*/ SQLiteDatabase beginTransaction() {
+  SQLiteDatabase beginTransaction() {
     SQLiteDatabase database = databaseHelper.getWritableDatabase();
     database.beginTransaction();
     return database;
   }
 
-  /*package*/ void endTransaction(SQLiteDatabase database) {
+  void endTransaction(SQLiteDatabase database) {
     database.setTransactionSuccessful();
     database.endTransaction();
   }

app/src/main/java/org/thoughtcrime/securesms/database/Storage.kt

@@ -99,7 +99,7 @@ private const val TAG = "Storage"
 open class Storage(
     context: Context,
     helper: SQLCipherOpenHelper,
-    private val configFactory: ConfigFactory
+    val configFactory: ConfigFactory
 ) : Database(context, helper), StorageProtocol, ThreadDatabase.ConversationThreadUpdateListener {
 
     override fun threadCreated(address: Address, threadId: Long) {
@@ -1371,31 +1371,31 @@ open class Storage(
         val threadDB = DatabaseComponent.get(context).threadDatabase()
         val groupDB = DatabaseComponent.get(context).groupDatabase()
         threadDB.deleteConversation(threadID)
-        val recipient = getRecipientForThread(threadID) ?: return
+
-        when {
+        val recipient = getRecipientForThread(threadID)
-            recipient.isContactRecipient -> {
+        if (recipient == null) {
-                if (recipient.isLocalNumber) return
+            Log.w(TAG, "Got null recipient when deleting conversation - aborting.");
-                val contacts = configFactory.contacts ?: return
+            return
-                contacts.upsertContact(recipient.address.serialize()) { priority = PRIORITY_HIDDEN }
-                ConfigurationMessageUtilities.forceSyncConfigurationNowIfNeeded(context)
         }
-            recipient.isClosedGroupRecipient -> {
+
-                // TODO: handle closed group
+        // There is nothing further we need to do if this is a 1-on-1 conversation, and it's not
+        // possible to delete communities in this manner so bail.
+        if (recipient.isContactRecipient || recipient.isCommunityRecipient) return
+
+        // If we get here then this is a closed group conversation (i.e., recipient.isClosedGroupRecipient)
         val volatile = configFactory.convoVolatile ?: return
         val groups = configFactory.userGroups ?: return
         val groupID = recipient.address.toGroupString()
         val closedGroup = getGroup(groupID)
         val groupPublicKey = GroupUtil.doubleDecodeGroupId(recipient.address.serialize())
         if (closedGroup != null) {
-                    groupDB.delete(groupID) // TODO: Should we delete the group? (seems odd to leave it)
+            groupDB.delete(groupID)
             volatile.eraseLegacyClosedGroup(groupPublicKey)
             groups.eraseLegacyGroup(groupPublicKey)
         } else {
             Log.w("Loki-DBG", "Failed to find a closed group for ${groupPublicKey.take(4)}")
         }
     }
-        }
-    }
 
     override fun getAttachmentDataUri(attachmentId: AttachmentId): Uri {
         return PartAuthority.getAttachmentDataUri(attachmentId)

app/src/main/java/org/thoughtcrime/securesms/database/ThreadDatabase.java

@@ -26,14 +26,10 @@ import android.content.Context;
 import android.database.Cursor;
 import android.database.MergeCursor;
 import android.net.Uri;
-
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-
 import com.annimon.stream.Stream;
-
 import net.zetetic.database.sqlcipher.SQLiteDatabase;
-
 import org.jetbrains.annotations.NotNull;
 import org.session.libsession.snode.SnodeAPI;
 import org.session.libsession.utilities.Address;
@@ -61,7 +57,6 @@ import org.thoughtcrime.securesms.mms.Slide;
 import org.thoughtcrime.securesms.mms.SlideDeck;
 import org.thoughtcrime.securesms.notifications.MarkReadReceiver;
 import org.thoughtcrime.securesms.util.SessionMetaProtocol;
-
 import java.io.Closeable;
 import java.util.Collections;
 import java.util.HashMap;
@@ -83,7 +78,7 @@ public class ThreadDatabase extends Database {
 
   public  static final String TABLE_NAME             = "thread";
   public  static final String ID                     = "_id";
-  public  static final String DATE                   = "date";
+  public  static final String THREAD_CREATION_DATE   = "date";
   public  static final String MESSAGE_COUNT          = "message_count";
   public  static final String ADDRESS                = "recipient_ids";
   public  static final String SNIPPET                = "snippet";
@@ -91,7 +86,7 @@ public class ThreadDatabase extends Database {
   public  static final String READ                   = "read";
   public  static final String UNREAD_COUNT           = "unread_count";
   public  static final String UNREAD_MENTION_COUNT   = "unread_mention_count";
-  public  static final String TYPE                   = "type";
+  public  static final String DISTRIBUTION_TYPE      = "type"; // See: DistributionTypes.kt
   private static final String ERROR                  = "error";
   public  static final String SNIPPET_TYPE           = "snippet_type";
   public  static final String SNIPPET_URI            = "snippet_uri";
@@ -105,23 +100,23 @@ public class ThreadDatabase extends Database {
   public  static final String IS_PINNED              = "is_pinned";
 
   public static final String CREATE_TABLE = "CREATE TABLE " + TABLE_NAME + " ("                    +
-    ID + " INTEGER PRIMARY KEY, " + DATE + " INTEGER DEFAULT 0, "                                  +
+    ID + " INTEGER PRIMARY KEY, " + THREAD_CREATION_DATE + " INTEGER DEFAULT 0, "                  +
     MESSAGE_COUNT + " INTEGER DEFAULT 0, " + ADDRESS + " TEXT, " + SNIPPET + " TEXT, "             +
     SNIPPET_CHARSET + " INTEGER DEFAULT 0, " + READ + " INTEGER DEFAULT 1, "                       +
-    TYPE + " INTEGER DEFAULT 0, " + ERROR + " INTEGER DEFAULT 0, "                                 +
+          DISTRIBUTION_TYPE + " INTEGER DEFAULT 0, " + ERROR + " INTEGER DEFAULT 0, "                    +
     SNIPPET_TYPE + " INTEGER DEFAULT 0, " + SNIPPET_URI + " TEXT DEFAULT NULL, "                   +
     ARCHIVED + " INTEGER DEFAULT 0, " + STATUS + " INTEGER DEFAULT 0, "                            +
     DELIVERY_RECEIPT_COUNT + " INTEGER DEFAULT 0, " + EXPIRES_IN + " INTEGER DEFAULT 0, "          +
     LAST_SEEN + " INTEGER DEFAULT 0, " + HAS_SENT + " INTEGER DEFAULT 0, "                         +
     READ_RECEIPT_COUNT + " INTEGER DEFAULT 0, " + UNREAD_COUNT + " INTEGER DEFAULT 0);";
 
-  public static final String[] CREATE_INDEXS = {
+  public static final String[] CREATE_INDEXES = {
     "CREATE INDEX IF NOT EXISTS thread_recipient_ids_index ON " + TABLE_NAME + " (" + ADDRESS + ");",
     "CREATE INDEX IF NOT EXISTS archived_count_index ON " + TABLE_NAME + " (" + ARCHIVED + ", " + MESSAGE_COUNT + ");",
   };
 
   private static final String[] THREAD_PROJECTION = {
-      ID, DATE, MESSAGE_COUNT, ADDRESS, SNIPPET, SNIPPET_CHARSET, READ, UNREAD_COUNT, UNREAD_MENTION_COUNT, TYPE, ERROR, SNIPPET_TYPE,
+      ID, THREAD_CREATION_DATE, MESSAGE_COUNT, ADDRESS, SNIPPET, SNIPPET_CHARSET, READ, UNREAD_COUNT, UNREAD_MENTION_COUNT, DISTRIBUTION_TYPE, ERROR, SNIPPET_TYPE,
       SNIPPET_URI, ARCHIVED, STATUS, DELIVERY_RECEIPT_COUNT, EXPIRES_IN, LAST_SEEN, READ_RECEIPT_COUNT, IS_PINNED
   };
 
@@ -158,11 +153,10 @@ public class ThreadDatabase extends Database {
     ContentValues contentValues = new ContentValues(4);
     long date                   = SnodeAPI.getNowWithOffset();
 
-    contentValues.put(DATE, date - date % 1000);
+    contentValues.put(THREAD_CREATION_DATE, date - date % 1000);
     contentValues.put(ADDRESS, address.serialize());
 
-    if (group)
+    if (group) contentValues.put(DISTRIBUTION_TYPE, distributionType);
-      contentValues.put(TYPE, distributionType);
 
     contentValues.put(MESSAGE_COUNT, 0);
 
@@ -175,7 +169,7 @@ public class ThreadDatabase extends Database {
                             long expiresIn, int readReceiptCount)
   {
     ContentValues contentValues = new ContentValues(7);
-    contentValues.put(DATE, date - date % 1000);
+    contentValues.put(THREAD_CREATION_DATE, date - date % 1000);
     contentValues.put(MESSAGE_COUNT, count);
     if (!body.isEmpty()) {
       contentValues.put(SNIPPET, body);
@@ -187,9 +181,7 @@ public class ThreadDatabase extends Database {
     contentValues.put(READ_RECEIPT_COUNT, readReceiptCount);
     contentValues.put(EXPIRES_IN, expiresIn);
 
-    if (unarchive) {
+    if (unarchive) { contentValues.put(ARCHIVED, 0); }
-      contentValues.put(ARCHIVED, 0);
-    }
 
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     db.update(TABLE_NAME, contentValues, ID + " = ?", new String[] {threadId + ""});
@@ -199,7 +191,7 @@ public class ThreadDatabase extends Database {
   public void updateSnippet(long threadId, String snippet, @Nullable Uri attachment, long date, long type, boolean unarchive) {
     ContentValues contentValues = new ContentValues(4);
 
-    contentValues.put(DATE, date - date % 1000);
+    contentValues.put(THREAD_CREATION_DATE, date - date % 1000);
     if (!snippet.isEmpty()) {
       contentValues.put(SNIPPET, snippet);
     }
@@ -230,9 +222,7 @@ public class ThreadDatabase extends Database {
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     String where      = "";
 
-    for (long threadId : threadIds) {
+    for (long threadId : threadIds) { where += ID + " = '" + threadId + "' OR "; }
-      where += ID + " = '" + threadId + "' OR ";
-    }
 
     where = where.substring(0, where.length() - 4);
 
@@ -358,7 +348,7 @@ public class ThreadDatabase extends Database {
 
   public void setDistributionType(long threadId, int distributionType) {
     ContentValues contentValues = new ContentValues(1);
-    contentValues.put(TYPE, distributionType);
+    contentValues.put(DISTRIBUTION_TYPE, distributionType);
 
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     db.update(TABLE_NAME, contentValues, ID_WHERE, new String[] {threadId + ""});
@@ -367,7 +357,7 @@ public class ThreadDatabase extends Database {
 
   public void setDate(long threadId, long date) {
     ContentValues contentValues = new ContentValues(1);
-    contentValues.put(DATE, date);
+    contentValues.put(THREAD_CREATION_DATE, date);
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     int updated = db.update(TABLE_NAME, contentValues, ID_WHERE, new String[] {threadId+""});
     if (updated > 0) notifyConversationListListeners();
@@ -375,11 +365,11 @@ public class ThreadDatabase extends Database {
 
   public int getDistributionType(long threadId) {
     SQLiteDatabase db     = databaseHelper.getReadableDatabase();
-    Cursor         cursor = db.query(TABLE_NAME, new String[]{TYPE}, ID_WHERE, new String[]{String.valueOf(threadId)}, null, null, null);
+    Cursor         cursor = db.query(TABLE_NAME, new String[]{DISTRIBUTION_TYPE}, ID_WHERE, new String[]{String.valueOf(threadId)}, null, null, null);
 
     try {
       if (cursor != null && cursor.moveToNext()) {
-        return cursor.getInt(cursor.getColumnIndexOrThrow(TYPE));
+        return cursor.getInt(cursor.getColumnIndexOrThrow(DISTRIBUTION_TYPE));
       }
 
       return DistributionTypes.DEFAULT;
@@ -469,7 +459,7 @@ public class ThreadDatabase extends Database {
     Cursor cursor     = null;
 
     try {
-      String where    = "SELECT " + DATE + " FROM " + TABLE_NAME +
+      String where    = "SELECT " + THREAD_CREATION_DATE + " FROM " + TABLE_NAME +
               " LEFT OUTER JOIN " + RecipientDatabase.TABLE_NAME +
               " ON " + TABLE_NAME + "." + ADDRESS + " = " + RecipientDatabase.TABLE_NAME + "." + RecipientDatabase.ADDRESS +
               " LEFT OUTER JOIN " + GroupDatabase.TABLE_NAME +
@@ -477,7 +467,7 @@ public class ThreadDatabase extends Database {
               " WHERE " + MESSAGE_COUNT + " != 0 AND " + ARCHIVED + " = 0 AND " + HAS_SENT + " = 0 AND " +
               RecipientDatabase.TABLE_NAME + "." + RecipientDatabase.BLOCK + " = 0 AND " +
               RecipientDatabase.TABLE_NAME + "." + RecipientDatabase.APPROVED + " = 0 AND " +
-              GroupDatabase.TABLE_NAME + "." + GROUP_ID + " IS NULL ORDER BY " + DATE + " DESC LIMIT 1";
+              GroupDatabase.TABLE_NAME + "." + GROUP_ID + " IS NULL ORDER BY " + THREAD_CREATION_DATE + " DESC LIMIT 1";
       cursor          = db.rawQuery(where, null);
 
       if (cursor != null && cursor.moveToFirst())
@@ -515,12 +505,6 @@ public class ThreadDatabase extends Database {
     return getConversationList(where);
   }
 
-  public Cursor getArchivedConversationList() {
-    String where  = "(" + MESSAGE_COUNT + " != 0 OR " + GroupDatabase.TABLE_NAME + "." + GROUP_ID + " LIKE '" + COMMUNITY_PREFIX + "%') " +
-            "AND " + ARCHIVED + " = 1 ";
-    return getConversationList(where);
-  }
-
   private Cursor getConversationList(String where) {
     SQLiteDatabase db     = databaseHelper.getReadableDatabase();
     String         query  = createQuery(where, 0);
@@ -601,7 +585,7 @@ public class ThreadDatabase extends Database {
 
   public Long getLastUpdated(long threadId) {
     SQLiteDatabase db     = databaseHelper.getReadableDatabase();
-    Cursor         cursor = db.query(TABLE_NAME, new String[]{DATE}, ID_WHERE, new String[]{String.valueOf(threadId)}, null, null, null);
+    Cursor         cursor = db.query(TABLE_NAME, new String[]{THREAD_CREATION_DATE}, ID_WHERE, new String[]{String.valueOf(threadId)}, null, null, null);
 
     try {
       if (cursor != null && cursor.moveToFirst()) {
@@ -742,7 +726,7 @@ public class ThreadDatabase extends Database {
     MmsSmsDatabase mmsSmsDatabase = DatabaseComponent.get(context).mmsSmsDatabase();
     long count                    = mmsSmsDatabase.getConversationCount(threadId);
 
-    boolean shouldDeleteEmptyThread = shouldDeleteOnEmpty && deleteThreadOnEmpty(threadId);
+    boolean shouldDeleteEmptyThread = shouldDeleteOnEmpty && possibleToDeleteThreadOnEmpty(threadId);
 
     if (count == 0 && shouldDeleteEmptyThread) {
       deleteThread(threadId);
@@ -750,10 +734,7 @@ public class ThreadDatabase extends Database {
       return true;
     }
 
-    MmsSmsDatabase.Reader reader = null;
+    try (MmsSmsDatabase.Reader reader = mmsSmsDatabase.readerFor(mmsSmsDatabase.getConversationSnippet(threadId))) {
-
-    try {
-      reader = mmsSmsDatabase.readerFor(mmsSmsDatabase.getConversationSnippet(threadId));
       MessageRecord record = null;
       if (reader != null) {
         record = reader.getNext();
@@ -771,11 +752,10 @@ public class ThreadDatabase extends Database {
           deleteThread(threadId);
           return true;
         }
+        // todo: add empty snippet that clears existing data
         return false;
       }
     } finally {
-      if (reader != null)
-        reader.close();
       notifyConversationListListeners();
       notifyConversationListeners(threadId);
     }
@@ -820,7 +800,7 @@ public class ThreadDatabase extends Database {
     return setLastSeen(threadId, lastSeenTime);
   }
 
-  private boolean deleteThreadOnEmpty(long threadId) {
+  private boolean possibleToDeleteThreadOnEmpty(long threadId) {
     Recipient threadRecipient = getRecipientForThreadId(threadId);
     return threadRecipient != null && !threadRecipient.isCommunityRecipient();
   }
@@ -865,7 +845,7 @@ public class ThreadDatabase extends Database {
            " LEFT OUTER JOIN " + GroupDatabase.TABLE_NAME +
            " ON " + TABLE_NAME + "." + ADDRESS + " = " + GroupDatabase.TABLE_NAME + "." + GROUP_ID +
            " WHERE " + where +
-           " ORDER BY " + TABLE_NAME + "." + IS_PINNED + " DESC, " + TABLE_NAME + "." + DATE + " DESC";
+           " ORDER BY " + TABLE_NAME + "." + IS_PINNED + " DESC, " + TABLE_NAME + "." + THREAD_CREATION_DATE + " DESC";
 
     if (limit >  0) {
       query += " LIMIT " + limit;
@@ -901,6 +881,10 @@ public class ThreadDatabase extends Database {
       this.cursor = cursor;
     }
 
+    public int getCount() {
+      return cursor == null ? 0 : cursor.getCount();
+    }
+
     public ThreadRecord getNext() {
       if (cursor == null || !cursor.moveToNext())
         return null;
@@ -910,7 +894,7 @@ public class ThreadDatabase extends Database {
 
     public ThreadRecord getCurrent() {
       long    threadId         = cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.ID));
-      int     distributionType = cursor.getInt(cursor.getColumnIndexOrThrow(ThreadDatabase.TYPE));
+      int     distributionType = cursor.getInt(cursor.getColumnIndexOrThrow(ThreadDatabase.DISTRIBUTION_TYPE));
       Address address          = Address.fromSerialized(cursor.getString(cursor.getColumnIndexOrThrow(ThreadDatabase.ADDRESS)));
 
       Optional<RecipientSettings> settings;
@@ -926,7 +910,7 @@ public class ThreadDatabase extends Database {
 
       Recipient          recipient            = Recipient.from(context, address, settings, groupRecord, true);
       String             body                 = cursor.getString(cursor.getColumnIndexOrThrow(ThreadDatabase.SNIPPET));
-      long               date                 = cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.DATE));
+      long               date                 = cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.THREAD_CREATION_DATE));
       long               count                = cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.MESSAGE_COUNT));
       int                unreadCount          = cursor.getInt(cursor.getColumnIndexOrThrow(ThreadDatabase.UNREAD_COUNT));
       int                unreadMentionCount   = cursor.getInt(cursor.getColumnIndexOrThrow(ThreadDatabase.UNREAD_MENTION_COUNT));
@@ -944,7 +928,17 @@ public class ThreadDatabase extends Database {
         readReceiptCount = 0;
       }
 
-      return new ThreadRecord(body, snippetUri, recipient, date, count,
+      MessageRecord lastMessage = null;
+
+      if (count > 0) {
+        MmsSmsDatabase mmsSmsDatabase = DatabaseComponent.get(context).mmsSmsDatabase();
+        long messageTimestamp = mmsSmsDatabase.getLastMessageTimestamp(threadId);
+        if (messageTimestamp > 0) {
+          lastMessage = mmsSmsDatabase.getMessageForTimestamp(messageTimestamp);
+        }
+      }
+
+      return new ThreadRecord(body, snippetUri, lastMessage, recipient, date, count,
                               unreadCount, unreadMentionCount, threadId, deliveryReceiptCount, status, type,
                               distributionType, archived, expiresIn, lastSeen, readReceiptCount, pinned);
     }

app/src/main/java/org/thoughtcrime/securesms/database/helpers/SQLCipherOpenHelper.java

@@ -357,7 +357,7 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
     executeStatements(db, SmsDatabase.CREATE_INDEXS);
     executeStatements(db, MmsDatabase.CREATE_INDEXS);
     executeStatements(db, AttachmentDatabase.CREATE_INDEXS);
-    executeStatements(db, ThreadDatabase.CREATE_INDEXS);
+    executeStatements(db, ThreadDatabase.CREATE_INDEXES);
     executeStatements(db, DraftDatabase.CREATE_INDEXS);
     executeStatements(db, GroupDatabase.CREATE_INDEXS);
     executeStatements(db, GroupReceiptDatabase.CREATE_INDEXES);

app/src/main/java/org/thoughtcrime/securesms/database/model/DisplayRecord.java

@@ -78,8 +78,8 @@ public abstract class DisplayRecord {
   public int getReadReceiptCount() { return readReceiptCount; }
 
   public boolean isDelivered() {
-    return (deliveryStatus >= SmsDatabase.Status.STATUS_COMPLETE
+    return (deliveryStatus >= SmsDatabase.Status.STATUS_COMPLETE &&
-      && deliveryStatus < SmsDatabase.Status.STATUS_PENDING) || deliveryReceiptCount > 0;
+            deliveryStatus < SmsDatabase.Status.STATUS_PENDING) || deliveryReceiptCount > 0;
   }
 
   public boolean isSent() { return MmsSmsColumns.Types.isSentType(type); }
@@ -114,6 +114,11 @@ public abstract class DisplayRecord {
   public boolean isOutgoing() {
     return MmsSmsColumns.Types.isOutgoingMessageType(type);
   }
+
+  public boolean isIncoming() {
+    return !MmsSmsColumns.Types.isOutgoingMessageType(type);
+  }
+
   public boolean isGroupUpdateMessage() {
     return SmsDatabase.Types.isGroupUpdateMessage(type);
   }

app/src/main/java/org/thoughtcrime/securesms/database/model/MessageRecord.java

@@ -31,6 +31,7 @@ import org.session.libsession.messaging.utilities.UpdateMessageData;
 import org.session.libsession.utilities.IdentityKeyMismatch;
 import org.session.libsession.utilities.NetworkFailure;
 import org.session.libsession.utilities.recipients.Recipient;
+import org.thoughtcrime.securesms.dependencies.DatabaseComponent;
 
 import java.util.List;
 import java.util.Objects;
@@ -120,7 +121,8 @@ public abstract class MessageRecord extends DisplayRecord {
       return new SpannableString(UpdateMessageBuilder.INSTANCE.buildGroupUpdateMessage(context, updateMessageData, getIndividualRecipient().getAddress().serialize(), isOutgoing()));
     } else if (isExpirationTimerUpdate()) {
       int seconds = (int) (getExpiresIn() / 1000);
-      return new SpannableString(UpdateMessageBuilder.INSTANCE.buildExpirationTimerMessage(context, seconds, getRecipient(), getIndividualRecipient().getAddress().serialize(), isOutgoing(), getTimestamp(), expireStarted));
+      boolean isGroup = DatabaseComponent.get(context).threadDatabase().getRecipientForThreadId(getThreadId()).isGroupRecipient();
+      return new SpannableString(UpdateMessageBuilder.INSTANCE.buildExpirationTimerMessage(context, seconds, isGroup, getIndividualRecipient().getAddress().serialize(), isOutgoing(), getTimestamp(), expireStarted));
     } else if (isDataExtractionNotification()) {
       if (isScreenshotNotification()) return new SpannableString((UpdateMessageBuilder.INSTANCE.buildDataExtractionMessage(context, DataExtractionNotificationInfoMessage.Kind.SCREENSHOT, getIndividualRecipient().getAddress().serialize())));
       else if (isMediaSavedNotification()) return new SpannableString((UpdateMessageBuilder.INSTANCE.buildDataExtractionMessage(context, DataExtractionNotificationInfoMessage.Kind.MEDIA_SAVED, getIndividualRecipient().getAddress().serialize())));

app/src/main/java/org/thoughtcrime/securesms/database/model/ThreadRecord.java

@@ -43,6 +43,7 @@ import network.loki.messenger.R;
 public class ThreadRecord extends DisplayRecord {
 
   private @Nullable final Uri     snippetUri;
+  public @Nullable  final MessageRecord lastMessage;
   private           final long    count;
   private           final int     unreadCount;
   private           final int     unreadMentionCount;
@@ -54,13 +55,14 @@ public class ThreadRecord extends DisplayRecord {
   private           final int initialRecipientHash;
 
   public ThreadRecord(@NonNull String body, @Nullable Uri snippetUri,
-                      @NonNull Recipient recipient, long date, long count, int unreadCount,
+                      @Nullable MessageRecord lastMessage, @NonNull Recipient recipient, long date, long count, int unreadCount,
                       int unreadMentionCount, long threadId, int deliveryReceiptCount, int status,
                       long snippetType,  int distributionType, boolean archived, long expiresIn,
                       long lastSeen, int readReceiptCount, boolean pinned)
   {
     super(body, recipient, date, date, threadId, status, deliveryReceiptCount, snippetType, readReceiptCount);
     this.snippetUri         = snippetUri;
+    this.lastMessage        = lastMessage;
     this.count              = count;
     this.unreadCount        = unreadCount;
     this.unreadMentionCount = unreadMentionCount;

app/src/main/java/org/thoughtcrime/securesms/glide/PlaceholderAvatarLoader.kt

@@ -1,5 +1,6 @@
 package org.thoughtcrime.securesms.glide
 
+import android.content.Context
 import android.graphics.drawable.BitmapDrawable
 import com.bumptech.glide.load.Options
 import com.bumptech.glide.load.model.ModelLoader
@@ -8,7 +9,7 @@ import com.bumptech.glide.load.model.ModelLoaderFactory
 import com.bumptech.glide.load.model.MultiModelLoaderFactory
 import org.session.libsession.avatars.PlaceholderAvatarPhoto
 
-class PlaceholderAvatarLoader(): ModelLoader<PlaceholderAvatarPhoto, BitmapDrawable> {
+class PlaceholderAvatarLoader(private val appContext: Context): ModelLoader<PlaceholderAvatarPhoto, BitmapDrawable> {
 
     override fun buildLoadData(
         model: PlaceholderAvatarPhoto,
@@ -16,14 +17,14 @@ class PlaceholderAvatarLoader(): ModelLoader<PlaceholderAvatarPhoto, BitmapDrawa
         height: Int,
         options: Options
     ): LoadData<BitmapDrawable> {
-        return LoadData(model, PlaceholderAvatarFetcher(model.context, model))
+        return LoadData(model, PlaceholderAvatarFetcher(appContext, model))
     }
 
     override fun handles(model: PlaceholderAvatarPhoto): Boolean = true
 
-    class Factory() : ModelLoaderFactory<PlaceholderAvatarPhoto, BitmapDrawable> {
+    class Factory(private val appContext: Context) : ModelLoaderFactory<PlaceholderAvatarPhoto, BitmapDrawable> {
         override fun build(multiFactory: MultiModelLoaderFactory): ModelLoader<PlaceholderAvatarPhoto, BitmapDrawable> {
-            return PlaceholderAvatarLoader()
+            return PlaceholderAvatarLoader(appContext)
         }
         override fun teardown() {}
     }

app/src/main/java/org/thoughtcrime/securesms/home/ConversationView.kt

@@ -4,6 +4,8 @@ import android.content.Context
 import android.content.res.Resources
 import android.graphics.Typeface
 import android.graphics.drawable.ColorDrawable
+import android.text.SpannableString
+import android.text.TextUtils
 import android.util.AttributeSet
 import android.util.TypedValue
 import android.view.View
@@ -89,7 +91,7 @@ class ConversationView : LinearLayout {
                 || (configFactory.convoVolatile?.getConversationUnread(thread) == true)
         binding.unreadMentionTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, textSize)
         binding.unreadMentionIndicator.isVisible = (thread.unreadMentionCount != 0 && thread.recipient.address.isGroup)
-        val senderDisplayName = getUserDisplayName(thread.recipient)
+        val senderDisplayName = getTitle(thread.recipient)
                 ?: thread.recipient.address.toString()
         binding.conversationViewDisplayNameTextView.text = senderDisplayName
         binding.timestampTextView.text = thread.date.takeIf { it != 0L }?.let { DateUtils.getDisplayFormattedTimeSpanString(context, Locale.getDefault(), it) }
@@ -101,9 +103,7 @@ class ConversationView : LinearLayout {
             R.drawable.ic_notifications_mentions
         }
         binding.muteIndicatorImageView.setImageResource(drawableRes)
-        val rawSnippet = thread.getDisplayBody(context)
+        binding.snippetTextView.text = highlightMentions(thread.getSnippet(), thread.threadId, context)
-        val snippet = highlightMentions(rawSnippet, thread.threadId, context)
-        binding.snippetTextView.text = snippet
         binding.snippetTextView.typeface = if (unreadCount > 0 && !thread.isRead) Typeface.DEFAULT_BOLD else Typeface.DEFAULT
         binding.snippetTextView.visibility = if (isTyping) View.GONE else View.VISIBLE
         if (isTyping) {
@@ -131,12 +131,21 @@ class ConversationView : LinearLayout {
         binding.profilePictureView.recycle()
     }
 
-    private fun getUserDisplayName(recipient: Recipient): String? {
+    private fun getTitle(recipient: Recipient): String? = when {
-        return if (recipient.isLocalNumber) {
+        recipient.isLocalNumber -> context.getString(R.string.note_to_self)
-            context.getString(R.string.note_to_self)
+        else -> recipient.toShortString() // Internally uses the Contact API
-        } else {
-            recipient.toShortString() // Internally uses the Contact API
     }
+
+    private fun ThreadRecord.getSnippet(): CharSequence =
+        concatSnippet(getSnippetPrefix(), getDisplayBody(context))
+
+    private fun concatSnippet(prefix: CharSequence?, body: CharSequence): CharSequence =
+        prefix?.let { TextUtils.concat(it, ": ", body) } ?: body
+
+    private fun ThreadRecord.getSnippetPrefix(): CharSequence? = when {
+        recipient.isLocalNumber || lastMessage?.isControlMessage == true -> null
+        lastMessage?.isOutgoing == true -> resources.getString(R.string.MessageRecord_you)
+        else -> lastMessage?.individualRecipient?.toShortString()
     }
     // endregion
 }

app/src/main/java/org/thoughtcrime/securesms/home/HomeActivity.kt

@@ -2,12 +2,9 @@ package org.thoughtcrime.securesms.home
 
 import android.Manifest
 import android.app.NotificationManager
-import android.content.BroadcastReceiver
 import android.content.ClipData
 import android.content.ClipboardManager
-import android.content.Context
 import android.content.Intent
-import android.content.IntentFilter
 import android.os.Build
 import android.os.Bundle
 import android.text.SpannableString
@@ -18,19 +15,18 @@ import androidx.core.view.isVisible
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
-import androidx.localbroadcastmanager.content.LocalBroadcastManager
 import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import network.loki.messenger.R
 import network.loki.messenger.databinding.ActivityHomeBinding
-import network.loki.messenger.databinding.ViewMessageRequestBannerBinding
 import network.loki.messenger.libsession_util.ConfigBase
 import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
@@ -76,14 +72,11 @@ import org.thoughtcrime.securesms.preferences.SettingsActivity
 import org.thoughtcrime.securesms.showMuteDialog
 import org.thoughtcrime.securesms.showSessionDialog
 import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
-import org.thoughtcrime.securesms.util.DateUtils
 import org.thoughtcrime.securesms.util.IP2Country
 import org.thoughtcrime.securesms.util.disableClipping
 import org.thoughtcrime.securesms.util.push
 import org.thoughtcrime.securesms.util.show
-import org.thoughtcrime.securesms.util.themeState
 import java.io.IOException
-import java.util.Locale
 import javax.inject.Inject
 
 @AndroidEntryPoint
@@ -99,7 +92,6 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
 
     private lateinit var binding: ActivityHomeBinding
     private lateinit var glide: GlideRequests
-    private var broadcastReceiver: BroadcastReceiver? = null
 
     @Inject lateinit var threadDb: ThreadDatabase
     @Inject lateinit var mmsSmsDatabase: MmsSmsDatabase
@@ -117,7 +109,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
         get() = textSecurePreferences.getLocalNumber()!!
 
     private val homeAdapter: HomeAdapter by lazy {
-        HomeAdapter(context = this, configFactory = configFactory, listener = this)
+        HomeAdapter(context = this, configFactory = configFactory, listener = this, ::showMessageRequests, ::hideMessageRequests)
     }
 
     private val globalSearchAdapter = GlobalSearchAdapter { model ->
@@ -189,7 +181,6 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
                 binding.seedReminderView.isVisible = false
             }
         }
-        setupMessageRequestsBanner()
         // Set up recycler view
         binding.globalSearchInputLayout.listener = this
         homeAdapter.setHasStableIds(true)
@@ -205,18 +196,10 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
         // Set up empty state view
         binding.createNewPrivateChatButton.setOnClickListener { showNewConversation() }
         IP2Country.configureIfNeeded(this@HomeActivity)
-        startObservingUpdates()
 
         // Set up new conversation button
         binding.newConversationButton.setOnClickListener { showNewConversation() }
         // Observe blocked contacts changed events
-        val broadcastReceiver = object : BroadcastReceiver() {
-            override fun onReceive(context: Context, intent: Intent) {
-                binding.recyclerView.adapter!!.notifyDataSetChanged()
-            }
-        }
-        this.broadcastReceiver = broadcastReceiver
-        LocalBroadcastManager.getInstance(this).registerReceiver(broadcastReceiver, IntentFilter("blockedContactsChanged"))
 
         // subscribe to outdated config updates, this should be removed after long enough time for device migration
         lifecycleScope.launch {
@@ -227,6 +210,26 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
             }
         }
 
+        // Subscribe to threads and update the UI
+        lifecycleScope.launch {
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                homeViewModel.data
+                    .filterNotNull() // We don't actually want the null value here as it indicates a loading state (maybe we need a loading state?)
+                    .collectLatest { data ->
+                        val manager = binding.recyclerView.layoutManager as LinearLayoutManager
+                        val firstPos = manager.findFirstCompletelyVisibleItemPosition()
+                        val offsetTop = if(firstPos >= 0) {
+                            manager.findViewByPosition(firstPos)?.let { view ->
+                                manager.getDecoratedTop(view) - manager.getTopDecorationHeight(view)
+                            } ?: 0
+                        } else 0
+                        homeAdapter.data = data
+                        if(firstPos >= 0) { manager.scrollToPositionWithOffset(firstPos, offsetTop) }
+                        updateEmptyState()
+                    }
+            }
+        }
+
         lifecycleScope.launchWhenStarted {
             launch(Dispatchers.IO) {
                 // Double check that the long poller is up
@@ -332,34 +335,6 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
         binding.newConversationButton.isVisible = !isShown
     }
 
-    private fun setupMessageRequestsBanner() {
-        val messageRequestCount = threadDb.unapprovedConversationCount
-        // Set up message requests
-        if (messageRequestCount > 0 && !textSecurePreferences.hasHiddenMessageRequests()) {
-            with(ViewMessageRequestBannerBinding.inflate(layoutInflater)) {
-                unreadCountTextView.text = messageRequestCount.toString()
-                timestampTextView.text = DateUtils.getDisplayFormattedTimeSpanString(
-                    this@HomeActivity,
-                    Locale.getDefault(),
-                    threadDb.latestUnapprovedConversationTimestamp
-                )
-                root.setOnClickListener { showMessageRequests() }
-                root.setOnLongClickListener { hideMessageRequests(); true }
-                root.layoutParams = RecyclerView.LayoutParams(RecyclerView.LayoutParams.MATCH_PARENT, RecyclerView.LayoutParams.WRAP_CONTENT)
-                val hadHeader = homeAdapter.hasHeaderView()
-                homeAdapter.header = root
-                if (hadHeader) homeAdapter.notifyItemChanged(0)
-                else homeAdapter.notifyItemInserted(0)
-            }
-        } else {
-            val hadHeader = homeAdapter.hasHeaderView()
-            homeAdapter.header = null
-            if (hadHeader) {
-                homeAdapter.notifyItemRemoved(0)
-            }
-        }
-    }
-
     private fun updateLegacyConfigView() {
         binding.configOutdatedView.isVisible = ConfigBase.isNewConfigEnabled(textSecurePreferences.hasForcedNewConfig(), SnodeAPI.nowWithOffset)
                 && textSecurePreferences.getHasLegacyConfig()
@@ -385,52 +360,20 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
                 ConfigurationMessageUtilities.syncConfigurationIfNeeded(this@HomeActivity)
             }
         }
-
-        // If the theme hasn't changed then start observing updates again (if it does change then we
-        // will recreate the activity resulting in it responding to changes multiple times)
-        if (currentThemeState == textSecurePreferences.themeState() && !homeViewModel.getObservable(this).hasActiveObservers()) {
-            startObservingUpdates()
-        }
     }
 
     override fun onPause() {
         super.onPause()
         ApplicationContext.getInstance(this).messageNotifier.setHomeScreenVisible(false)
-
-        homeViewModel.getObservable(this).removeObservers(this)
     }
 
     override fun onDestroy() {
-        val broadcastReceiver = this.broadcastReceiver
-        if (broadcastReceiver != null) {
-            LocalBroadcastManager.getInstance(this).unregisterReceiver(broadcastReceiver)
-        }
         super.onDestroy()
         EventBus.getDefault().unregister(this)
     }
     // endregion
 
     // region Updating
-    private fun startObservingUpdates() {
-        homeViewModel.getObservable(this).observe(this) { newData ->
-            val manager = binding.recyclerView.layoutManager as LinearLayoutManager
-            val firstPos = manager.findFirstCompletelyVisibleItemPosition()
-            val offsetTop = if(firstPos >= 0) {
-                manager.findViewByPosition(firstPos)?.let { view ->
-                    manager.getDecoratedTop(view) - manager.getTopDecorationHeight(view)
-                } ?: 0
-            } else 0
-            homeAdapter.data = newData
-            if(firstPos >= 0) { manager.scrollToPositionWithOffset(firstPos, offsetTop) }
-            setupMessageRequestsBanner()
-            updateEmptyState()
-        }
-
-        ApplicationContext.getInstance(this@HomeActivity).typingStatusRepository.typingThreads.observe(this) { threadIds ->
-            homeAdapter.typingThreadIDs = (threadIds ?: setOf())
-        }
-    }
-
     private fun updateEmptyState() {
         val threadCount = (binding.recyclerView.adapter)!!.itemCount
         binding.emptyStateContainer.isVisible = threadCount == 0 && binding.recyclerView.isVisible
@@ -441,7 +384,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
         if (event.recipient.isLocalNumber) {
             updateProfileButton()
         } else {
-            homeViewModel.tryUpdateChannel()
+            homeViewModel.tryReload()
         }
     }
 
@@ -612,7 +555,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
     private fun setConversationPinned(threadId: Long, pinned: Boolean) {
         lifecycleScope.launch(Dispatchers.IO) {
             storage.setPinned(threadId, pinned)
-            homeViewModel.tryUpdateChannel()
+            homeViewModel.tryReload()
         }
     }
 
@@ -687,8 +630,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
             text("Hide message requests?")
             button(R.string.yes) {
                 textSecurePreferences.setHasHiddenMessageRequests()
-                setupMessageRequestsBanner()
+                homeViewModel.tryReload()
-                homeViewModel.tryUpdateChannel()
             }
             button(R.string.no)
         }

app/src/main/java/org/thoughtcrime/securesms/home/HomeAdapter.kt

@@ -9,14 +9,18 @@ import androidx.recyclerview.widget.ListUpdateCallback
 import androidx.recyclerview.widget.RecyclerView
 import androidx.recyclerview.widget.RecyclerView.NO_ID
 import network.loki.messenger.R
-import org.thoughtcrime.securesms.database.model.ThreadRecord
+import network.loki.messenger.databinding.ViewMessageRequestBannerBinding
 import org.thoughtcrime.securesms.dependencies.ConfigFactory
 import org.thoughtcrime.securesms.mms.GlideRequests
+import org.thoughtcrime.securesms.util.DateUtils
+import java.util.Locale
 
 class HomeAdapter(
     private val context: Context,
     private val configFactory: ConfigFactory,
-    private val listener: ConversationClickListener
+    private val listener: ConversationClickListener,
+    private val showMessageRequests: () -> Unit,
+    private val hideMessageRequests: () -> Unit,
 ) : RecyclerView.Adapter<RecyclerView.ViewHolder>(), ListUpdateCallback {
 
     companion object {
@@ -24,23 +28,32 @@ class HomeAdapter(
         private const val ITEM = 1
     }
 
-    var header: View? = null
+    var messageRequests: HomeViewModel.MessageRequests? = null
+        set(value) {
+            if (field == value) return
+            val hadHeader = hasHeaderView()
+            field = value
+            if (value != null) {
+                if (hadHeader) notifyItemChanged(0) else notifyItemInserted(0)
+            } else if (hadHeader) notifyItemRemoved(0)
+        }
 
-    private var _data: List<ThreadRecord> = emptyList()
+    var data: HomeViewModel.Data = HomeViewModel.Data()
-    var data: List<ThreadRecord>
-        get() = _data.toList()
         set(newData) {
-            val previousData = _data.toList()
+            if (field === newData) return
-            val diff = HomeDiffUtil(previousData, newData, context, configFactory)
+
+            messageRequests = newData.messageRequests
+
+            val diff = HomeDiffUtil(field, newData, context, configFactory)
             val diffResult = DiffUtil.calculateDiff(diff)
-            _data = newData
+            field = newData
             diffResult.dispatchUpdatesTo(this as ListUpdateCallback)
         }
 
-    fun hasHeaderView(): Boolean = header != null
+    fun hasHeaderView(): Boolean = messageRequests != null
 
     private val headerCount: Int
-        get() = if (header == null) 0 else 1
+        get() = if (messageRequests == null) 0 else 1
 
     override fun onInserted(position: Int, count: Int) {
         notifyItemRangeInserted(position + headerCount, count)
@@ -61,23 +74,19 @@ class HomeAdapter(
     override fun getItemId(position: Int): Long  {
         if (hasHeaderView() && position == 0) return NO_ID
         val offsetPosition = if (hasHeaderView()) position-1 else position
-        return _data[offsetPosition].threadId
+        return data.threads[offsetPosition].threadId
     }
 
     lateinit var glide: GlideRequests
-    var typingThreadIDs = setOf<Long>()
-        set(value) {
-            if (field == value) { return }
-
-            field = value
-            // TODO: replace this with a diffed update or a partial change set with payloads
-            notifyDataSetChanged()
-        }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder =
         when (viewType) {
             HEADER -> {
-                HeaderFooterViewHolder(header!!)
+                ViewMessageRequestBannerBinding.inflate(LayoutInflater.from(parent.context)).apply {
+                    root.setOnClickListener { showMessageRequests() }
+                    root.setOnLongClickListener { hideMessageRequests(); true }
+                    root.layoutParams = RecyclerView.LayoutParams(RecyclerView.LayoutParams.MATCH_PARENT, RecyclerView.LayoutParams.WRAP_CONTENT)
+                }.let(::HeaderFooterViewHolder)
             }
             ITEM -> {
                 val conversationView = LayoutInflater.from(parent.context).inflate(R.layout.view_conversation, parent, false) as ConversationView
@@ -93,19 +102,27 @@ class HomeAdapter(
         }
 
     override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
-        if (holder is ConversationViewHolder) {
+        when (holder) {
+            is HeaderFooterViewHolder -> {
+                holder.binding.run {
+                    messageRequests?.let {
+                        unreadCountTextView.text = it.count
+                        timestampTextView.text = it.timestamp
+                    }
+                }
+            }
+            is ConversationViewHolder -> {
                 val offset = if (hasHeaderView()) position - 1 else position
-            val thread = data[offset]
+                val thread = data.threads[offset]
-            val isTyping = typingThreadIDs.contains(thread.threadId)
+                val isTyping = data.typingThreadIDs.contains(thread.threadId)
                 holder.view.bind(thread, isTyping, glide)
             }
         }
+    }
 
     override fun onViewRecycled(holder: RecyclerView.ViewHolder) {
         if (holder is ConversationViewHolder) {
             holder.view.recycle()
-        } else {
-            super.onViewRecycled(holder)
         }
     }
 
@@ -113,10 +130,9 @@ class HomeAdapter(
         if (hasHeaderView() && position == 0) HEADER
         else ITEM
 
-    override fun getItemCount(): Int = data.size + if (hasHeaderView()) 1 else 0
+    override fun getItemCount(): Int = data.threads.size + if (hasHeaderView()) 1 else 0
 
     class ConversationViewHolder(val view: ConversationView) : RecyclerView.ViewHolder(view)
 
-    class HeaderFooterViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView)
+    class HeaderFooterViewHolder(val binding: ViewMessageRequestBannerBinding) : RecyclerView.ViewHolder(binding.root)
-
 }

app/src/main/java/org/thoughtcrime/securesms/home/HomeDiffUtil.kt

@@ -2,27 +2,26 @@ package org.thoughtcrime.securesms.home
 
 import android.content.Context
 import androidx.recyclerview.widget.DiffUtil
-import org.thoughtcrime.securesms.database.model.ThreadRecord
 import org.thoughtcrime.securesms.dependencies.ConfigFactory
 import org.thoughtcrime.securesms.util.getConversationUnread
 
 class HomeDiffUtil(
-    private val old: List<ThreadRecord>,
+        private val old: HomeViewModel.Data,
-    private val new: List<ThreadRecord>,
+        private val new: HomeViewModel.Data,
         private val context: Context,
         private val configFactory: ConfigFactory
 ): DiffUtil.Callback() {
 
-    override fun getOldListSize(): Int = old.size
+    override fun getOldListSize(): Int = old.threads.size
 
-    override fun getNewListSize(): Int = new.size
+    override fun getNewListSize(): Int = new.threads.size
 
     override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean =
-        old[oldItemPosition].threadId == new[newItemPosition].threadId
+        old.threads[oldItemPosition].threadId == new.threads[newItemPosition].threadId
 
     override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
-        val oldItem = old[oldItemPosition]
+        val oldItem = old.threads[oldItemPosition]
-        val newItem = new[newItemPosition]
+        val newItem = new.threads[newItemPosition]
 
         // return early to save getDisplayBody or expensive calls
         var isSameItem = true
@@ -47,7 +46,8 @@ class HomeDiffUtil(
                 oldItem.isSent == newItem.isSent &&
                 oldItem.isPending == newItem.isPending &&
                 oldItem.lastSeen == newItem.lastSeen &&
-                configFactory.convoVolatile?.getConversationUnread(newItem) != true
+                configFactory.convoVolatile?.getConversationUnread(newItem) != true &&
+                old.typingThreadIDs.contains(oldItem.threadId) == new.typingThreadIDs.contains(newItem.threadId)
             )
         }
 

app/src/main/java/org/thoughtcrime/securesms/home/HomeViewModel.kt

@@ -1,71 +1,131 @@
 package org.thoughtcrime.securesms.home
 
+import android.content.ContentResolver
 import android.content.Context
-import androidx.lifecycle.LiveData
+import android.util.Log
-import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.asFlow
 import androidx.lifecycle.viewModelScope
-import app.cash.copper.flow.observeQuery
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.*
+import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.FlowPreview
-import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.channels.BufferOverflow
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.merge
 import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.onStart
+import kotlinx.coroutines.flow.stateIn
+import org.session.libsession.utilities.TextSecurePreferences
+import org.thoughtcrime.securesms.ApplicationContext
 import org.thoughtcrime.securesms.database.DatabaseContentProviders
 import org.thoughtcrime.securesms.database.ThreadDatabase
 import org.thoughtcrime.securesms.database.model.ThreadRecord
-import java.lang.ref.WeakReference
+import org.thoughtcrime.securesms.util.DateUtils
+import org.thoughtcrime.securesms.util.observeChanges
+import java.util.Locale
 import javax.inject.Inject
+import dagger.hilt.android.qualifiers.ApplicationContext as ApplicationContextQualifier
 
 @HiltViewModel
-class HomeViewModel @Inject constructor(private val threadDb: ThreadDatabase): ViewModel() {
+class HomeViewModel @Inject constructor(
-
+    private val threadDb: ThreadDatabase,
-    private val executor = viewModelScope + SupervisorJob()
+    private val contentResolver: ContentResolver,
-    private var lastContext: WeakReference<Context>? = null
+    private val prefs: TextSecurePreferences,
-    private var updateJobs: MutableList<Job> = mutableListOf()
+    @ApplicationContextQualifier private val context: Context,
-
+) : ViewModel() {
-    private val _conversations = MutableLiveData<List<ThreadRecord>>()
+    // SharedFlow that emits whenever the user asks us to reload  the conversation
-    val conversations: LiveData<List<ThreadRecord>> = _conversations
+    private val manualReloadTrigger = MutableSharedFlow<Unit>(
-
+            extraBufferCapacity = 1,
-    private val listUpdateChannel = Channel<Unit>(capacity = Channel.CONFLATED)
+            onBufferOverflow = BufferOverflow.DROP_OLDEST
-
-    fun tryUpdateChannel() = listUpdateChannel.trySend(Unit)
-
-    fun getObservable(context: Context): LiveData<List<ThreadRecord>> {
-        // If the context has changed (eg. the activity gets recreated) then
-        // we need to cancel the old executors and recreate them to prevent
-        // the app from triggering extra updates when data changes
-        if (context != lastContext?.get()) {
-            lastContext = WeakReference(context)
-            updateJobs.forEach { it.cancel() }
-            updateJobs.clear()
-
-            updateJobs.add(
-                executor.launch(Dispatchers.IO) {
-                    context.contentResolver
-                        .observeQuery(DatabaseContentProviders.ConversationList.CONTENT_URI)
-                        .onEach { listUpdateChannel.trySend(Unit) }
-                        .collect()
-                }
     )
-            updateJobs.add(
+
-                executor.launch(Dispatchers.IO) {
+    /**
-                    for (update in listUpdateChannel) {
+     * A [StateFlow] that emits the list of threads and the typing status of each thread.
+     *
+     * This flow will emit whenever the user asks us to reload the conversation list or
+     * whenever the conversation list changes.
+     */
+    val data: StateFlow<Data?> = combine(
+        observeConversationList(),
+        observeTypingStatus(),
+        messageRequests(),
+        ::Data
+    )
+        .stateIn(viewModelScope, SharingStarted.Eagerly, null)
+
+    private fun hasHiddenMessageRequests() = TextSecurePreferences.events
+        .filter { it == TextSecurePreferences.HAS_HIDDEN_MESSAGE_REQUESTS }
+        .flowOn(Dispatchers.IO)
+        .map { prefs.hasHiddenMessageRequests() }
+        .onStart { emit(prefs.hasHiddenMessageRequests()) }
+
+    private fun observeTypingStatus(): Flow<Set<Long>> =
+            ApplicationContext.getInstance(context).typingStatusRepository
+                    .typingThreads
+                    .asFlow()
+                    .onStart { emit(emptySet()) }
+                    .distinctUntilChanged()
+
+    private fun messageRequests() = combine(
+        unapprovedConversationCount(),
+        hasHiddenMessageRequests(),
+        latestUnapprovedConversationTimestamp(),
+        ::createMessageRequests
+    )
+
+    private fun unapprovedConversationCount() = reloadTriggersAndContentChanges()
+        .map { threadDb.unapprovedConversationCount }
+
+    private fun latestUnapprovedConversationTimestamp() = reloadTriggersAndContentChanges()
+        .map { threadDb.latestUnapprovedConversationTimestamp }
+
+    @Suppress("OPT_IN_USAGE")
+    private fun observeConversationList(): Flow<List<ThreadRecord>> = reloadTriggersAndContentChanges()
+        .mapLatest { _ ->
             threadDb.approvedConversationList.use { openCursor ->
-                            val reader = threadDb.readerFor(openCursor)
+                threadDb.readerFor(openCursor).run { generateSequence { next }.toList() }
-                            val threads = mutableListOf<ThreadRecord>()
-                            while (true) {
-                                threads += reader.next ?: break
             }
-                            withContext(Dispatchers.Main) {
-                                _conversations.value = threads
-                            }
-                        }
-                    }
-                }
-            )
-        }
-        return conversations
         }
 
+    @OptIn(FlowPreview::class)
+    private fun reloadTriggersAndContentChanges() = merge(
+        manualReloadTrigger,
+        contentResolver.observeChanges(DatabaseContentProviders.ConversationList.CONTENT_URI)
+    )
+        .flowOn(Dispatchers.IO)
+        .debounce(CHANGE_NOTIFICATION_DEBOUNCE_MILLS)
+        .onStart { emit(Unit) }
+
+    fun tryReload() = manualReloadTrigger.tryEmit(Unit)
+
+    data class Data(
+        val threads: List<ThreadRecord> = emptyList(),
+        val typingThreadIDs: Set<Long> = emptySet(),
+        val messageRequests: MessageRequests? = null
+    )
+
+    fun createMessageRequests(
+        count: Int,
+        hidden: Boolean,
+        timestamp: Long
+    ) = if (count > 0 && !hidden) MessageRequests(
+        count.toString(),
+        DateUtils.getDisplayFormattedTimeSpanString(context, Locale.getDefault(), timestamp)
+    ) else null
+
+    data class MessageRequests(val count: String, val timestamp: String)
+
+    companion object {
+        private const val CHANGE_NOTIFICATION_DEBOUNCE_MILLS = 100L
+    }
 }

app/src/main/java/org/thoughtcrime/securesms/home/PathActivity.kt

@@ -6,7 +6,6 @@ import android.content.Intent
 import android.content.IntentFilter
 import android.net.Uri
 import android.os.Bundle
-import android.os.Handler
 import android.util.AttributeSet
 import android.util.TypedValue
 import android.view.Gravity
@@ -17,11 +16,17 @@ import android.widget.TextView
 import android.widget.Toast
 import androidx.annotation.ColorRes
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import network.loki.messenger.R
 import network.loki.messenger.databinding.ActivityPathBinding
 import org.session.libsession.snode.OnionRequestAPI
 import org.session.libsession.utilities.getColorFromAttr
-import org.session.libsignal.utilities.Log
 import org.session.libsignal.utilities.Snode
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
 import org.thoughtcrime.securesms.util.GlowViewUtilities
@@ -184,6 +189,7 @@ class PathActivity : PassphraseRequiredActionBarActivity() {
         private lateinit var location: Location
         private var dotAnimationStartDelay: Long = 0
         private var dotAnimationRepeatInterval: Long = 0
+        private var job: Job? = null
 
         private val dotView by lazy {
             val result = PathDotView(context)
@@ -240,19 +246,38 @@ class PathActivity : PassphraseRequiredActionBarActivity() {
             dotViewLayoutParams.addRule(CENTER_IN_PARENT)
             dotView.layoutParams = dotViewLayoutParams
             addView(dotView)
-            Handler().postDelayed({
-                performAnimation()
-            }, dotAnimationStartDelay)
         }
 
-        private fun performAnimation() {
+        override fun onAttachedToWindow() {
+            super.onAttachedToWindow()
+
+            startAnimation()
+        }
+
+        override fun onDetachedFromWindow() {
+            super.onDetachedFromWindow()
+
+            stopAnimation()
+        }
+
+        private fun startAnimation() {
+            job?.cancel()
+            job = GlobalScope.launch {
+                withContext(Dispatchers.Main) {
+                    while (isActive) {
+                        delay(dotAnimationStartDelay)
                         expand()
-            Handler().postDelayed({
+                        delay(EXPAND_ANIM_DELAY_MILLS)
                         collapse()
-                Handler().postDelayed({
+                        delay(dotAnimationRepeatInterval)
-                    performAnimation()
+                    }
-                }, dotAnimationRepeatInterval)
+                }
-            }, 1000)
+            }
+        }
+
+        private fun stopAnimation() {
+            job?.cancel()
+            job = null
         }
 
         private fun expand() {
@@ -270,6 +295,10 @@ class PathActivity : PassphraseRequiredActionBarActivity() {
             val endColor = context.resources.getColorWithID(endColorID, context.theme)
             GlowViewUtilities.animateShadowColorChange(dotView, startColor, endColor)
         }
+
+        companion object {
+            private const val EXPAND_ANIM_DELAY_MILLS = 1000L
+        }
     }
     // endregion
 }

app/src/main/java/org/thoughtcrime/securesms/home/search/GlobalSearchInputLayout.kt

@@ -2,6 +2,8 @@ package org.thoughtcrime.securesms.home.search
 
 import android.content.Context
 import android.text.Editable
+import android.text.InputFilter
+import android.text.InputFilter.LengthFilter
 import android.text.TextWatcher
 import android.util.AttributeSet
 import android.view.KeyEvent
@@ -34,6 +36,7 @@ class GlobalSearchInputLayout @JvmOverloads constructor(
         binding.searchInput.onFocusChangeListener = this
         binding.searchInput.addTextChangedListener(this)
         binding.searchInput.setOnEditorActionListener(this)
+        binding.searchInput.setFilters( arrayOf<InputFilter>(LengthFilter(100)) ) // 100 char search limit
         binding.searchCancel.setOnClickListener(this)
         binding.searchClear.setOnClickListener(this)
     }

app/src/main/java/org/thoughtcrime/securesms/home/search/GlobalSearchViewModel.kt

@@ -24,8 +24,7 @@ class GlobalSearchViewModel @Inject constructor(private val searchRepository: Se
 
     private val executor = viewModelScope + SupervisorJob()
 
-    private val _result: MutableStateFlow<GlobalSearchResult> =
+    private val _result: MutableStateFlow<GlobalSearchResult> = MutableStateFlow(GlobalSearchResult.EMPTY)
-            MutableStateFlow(GlobalSearchResult.EMPTY)
 
     val result: StateFlow<GlobalSearchResult> = _result
 
@@ -41,13 +40,14 @@ class GlobalSearchViewModel @Inject constructor(private val searchRepository: Se
         _queryText
                 .buffer(onBufferOverflow = BufferOverflow.DROP_OLDEST)
                 .mapLatest { query ->
-                    if (query.trim().length < 2) {
+                    // Early exit on empty search query
+                    if (query.trim().isEmpty()) {
                         SearchResult.EMPTY
                     } else {
-                        // user input delay here in case we get a new query within a few hundred ms
+                        // User input delay in case we get a new query within a few hundred ms this
-                        // this coroutine will be cancelled and expensive query will not be run if typing quickly
+                        // coroutine will be cancelled and the expensive query will not be run.
-                        // first query of 2 characters will be instant however
                         delay(300)
+
                         val settableFuture = SettableFuture<SearchResult>()
                         searchRepository.query(query.toString(), settableFuture::set)
                         try {
@@ -64,6 +64,4 @@ class GlobalSearchViewModel @Inject constructor(private val searchRepository: Se
                 }
                 .launchIn(executor)
     }
-
-
 }

app/src/main/java/org/thoughtcrime/securesms/mms/SignalGlideModule.java

@@ -73,7 +73,7 @@ public class SignalGlideModule extends AppGlideModule {
     registry.append(DecryptableUri.class, InputStream.class, new DecryptableStreamUriLoader.Factory(context));
     registry.append(AttachmentModel.class, InputStream.class, new AttachmentStreamUriLoader.Factory());
     registry.append(ChunkedImageUrl.class, InputStream.class, new ChunkedImageUrlLoader.Factory());
-    registry.append(PlaceholderAvatarPhoto.class, BitmapDrawable.class, new PlaceholderAvatarLoader.Factory());
+    registry.append(PlaceholderAvatarPhoto.class, BitmapDrawable.class, new PlaceholderAvatarLoader.Factory(context));
     registry.replace(GlideUrl.class, InputStream.class, new OkHttpUrlLoader.Factory());
   }
 

app/src/main/java/org/thoughtcrime/securesms/notifications/DefaultMessageNotifier.java

@@ -349,11 +349,17 @@ public class DefaultMessageNotifier implements MessageNotifier {
     builder.setThread(notifications.get(0).getRecipient());
     builder.setMessageCount(notificationState.getMessageCount());
     MentionManagerUtilities.INSTANCE.populateUserPublicKeyCacheIfNeeded(notifications.get(0).getThreadId(),context);
+
+    // TODO: Removing highlighting mentions in the notification because this context is the libsession one which
+    // TODO: doesn't have access to the `R.attr.message_sent_text_color` and `R.attr.message_received_text_color`
+    // TODO: attributes to perform the colour lookup. Also, it makes little sense to highlight the mentions using
+    // TODO: the app theme as it may result in insufficient contrast with the notification background which will
+    // TODO: be using the SYSTEM theme.
     builder.setPrimaryMessageBody(recipient, notifications.get(0).getIndividualRecipient(),
-                                  MentionUtilities.highlightMentions(text == null ? "" : text,
+                                  //MentionUtilities.highlightMentions(text == null ? "" : text, notifications.get(0).getThreadId(), context), // Removing hightlighting mentions -ACL
-                                          notifications.get(0).getThreadId(),
+                                  text == null ? "" : text,
-                                          context),
                                   notifications.get(0).getSlideDeck());
+
     builder.setContentIntent(notifications.get(0).getPendingIntent(context));
     builder.setDeleteIntent(notificationState.getDeleteIntent(context));
     builder.setOnlyAlertOnce(!signal);

app/src/main/java/org/thoughtcrime/securesms/notifications/MarkReadReceiver.kt

@@ -61,11 +61,15 @@ class MarkReadReceiver : BroadcastReceiver() {
 
             val mmsSmsDatabase = DatabaseComponent.get(context).mmsSmsDatabase()
 
+            val threadDb = DatabaseComponent.get(context).threadDatabase()
+
             // start disappear after read messages except TimerUpdates in groups.
             markedReadMessages
                 .filter { it.expiryType == ExpiryType.AFTER_READ }
                 .map { it.syncMessageId }
-                .filter { mmsSmsDatabase.getMessageForTimestamp(it.timetamp)?.run { isExpirationTimerUpdate && recipient.isClosedGroupRecipient } == false }
+                .filter { mmsSmsDatabase.getMessageForTimestamp(it.timetamp)?.run {
+                    isExpirationTimerUpdate && threadDb.getRecipientForThreadId(threadId)?.isGroupRecipient == true } == false
+                }
                 .forEach { messageExpirationManager.startDisappearAfterRead(it.timetamp, it.address.serialize()) }
 
             hashToDisappearAfterReadMessage(context, markedReadMessages)?.let {

app/src/main/java/org/thoughtcrime/securesms/notifications/PushReceiver.kt

@@ -17,6 +17,7 @@ import org.session.libsession.messaging.jobs.MessageReceiveParameters
 import org.session.libsession.messaging.sending_receiving.notifications.PushNotificationMetadata
 import org.session.libsession.messaging.utilities.MessageWrapper
 import org.session.libsession.messaging.utilities.SodiumUtilities
+import org.session.libsession.messaging.utilities.SodiumUtilities.sodium
 import org.session.libsession.utilities.bencode.Bencode
 import org.session.libsession.utilities.bencode.BencodeList
 import org.session.libsession.utilities.bencode.BencodeString
@@ -28,7 +29,6 @@ import javax.inject.Inject
 private const val TAG = "PushHandler"
 
 class PushReceiver @Inject constructor(@ApplicationContext val context: Context) {
-    private val sodium = LazySodiumAndroid(SodiumAndroid())
     private val json = Json { ignoreUnknownKeys = true }
 
     fun onPush(dataMap: Map<String, String>?) {

app/src/main/java/org/thoughtcrime/securesms/notifications/PushRegistryV2.kt

@@ -18,6 +18,8 @@ import org.session.libsession.messaging.sending_receiving.notifications.Subscrip
 import org.session.libsession.messaging.sending_receiving.notifications.SubscriptionResponse
 import org.session.libsession.messaging.sending_receiving.notifications.UnsubscribeResponse
 import org.session.libsession.messaging.sending_receiving.notifications.UnsubscriptionRequest
+import org.session.libsession.messaging.utilities.SodiumUtilities
+import org.session.libsession.messaging.utilities.SodiumUtilities.sodium
 import org.session.libsession.snode.OnionRequestAPI
 import org.session.libsession.snode.SnodeAPI
 import org.session.libsession.snode.Version
@@ -34,8 +36,6 @@ private const val maxRetryCount = 4
 
 @Singleton
 class PushRegistryV2 @Inject constructor(private val pushReceiver: PushReceiver) {
-    private val sodium = LazySodiumAndroid(SodiumAndroid())
-
     fun register(
         device: Device,
         token: String,

app/src/main/java/org/thoughtcrime/securesms/preferences/SettingsActivity.kt

@@ -37,6 +37,7 @@ import org.session.libsession.snode.SnodeAPI
 import org.session.libsession.utilities.*
 import org.session.libsession.utilities.SSKEnvironment.ProfileManagerProtocol
 import org.session.libsession.utilities.recipients.Recipient
+import org.session.libsignal.utilities.getProperty
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
 import org.thoughtcrime.securesms.avatar.AvatarSelection
 import org.thoughtcrime.securesms.components.ProfilePictureView
@@ -107,7 +108,9 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
             helpButton.setOnClickListener { showHelp() }
             seedButton.setOnClickListener { showSeed() }
             clearAllDataButton.setOnClickListener { clearAllData() }
-            versionTextView.text = String.format(getString(R.string.version_s), "${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})")
+
+            val gitCommitFirstSixChars = BuildConfig.GIT_HASH.take(6)
+            versionTextView.text = String.format(getString(R.string.version_s), "${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE} - $gitCommitFirstSixChars)")
         }
     }
 

app/src/main/java/org/thoughtcrime/securesms/repository/ConversationRepository.kt

@@ -4,19 +4,14 @@ import network.loki.messenger.libsession_util.util.ExpiryMode
 
 import android.content.ContentResolver
 import android.content.Context
-
 import app.cash.copper.Query
 import app.cash.copper.flow.observeQuery
-
 import dagger.hilt.android.qualifiers.ApplicationContext
-
 import kotlin.coroutines.resume
 import kotlin.coroutines.resumeWithException
 import kotlin.coroutines.suspendCoroutine
-
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
-
 import org.session.libsession.database.MessageDataProvider
 import org.session.libsession.messaging.messages.Destination
 import org.session.libsession.messaging.messages.control.MessageRequestResponse
@@ -32,9 +27,7 @@ import org.session.libsession.utilities.GroupUtil
 import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsession.utilities.recipients.Recipient
 import org.session.libsignal.utilities.Log
-
 import org.session.libsignal.utilities.toHexString
-
 import org.thoughtcrime.securesms.database.DatabaseContentProviders
 import org.thoughtcrime.securesms.database.DraftDatabase
 import org.thoughtcrime.securesms.database.ExpirationConfigurationDatabase
@@ -51,7 +44,6 @@ import org.thoughtcrime.securesms.database.model.MessageRecord
 import org.thoughtcrime.securesms.database.model.ThreadRecord
 import org.thoughtcrime.securesms.dependencies.ConfigFactory
 import org.thoughtcrime.securesms.dependencies.DatabaseComponent
-
 import javax.inject.Inject
 
 interface ConversationRepository {
@@ -239,7 +231,7 @@ class DefaultConversationRepository @Inject constructor(
                     .success {
                         continuation.resume(ResultOf.Success(Unit))
                     }.fail { error ->
-                        Log.w("[onversationRepository", "Call to SnodeAPI.deleteMessage failed - attempting to resume..")
+                        Log.w("ConversationRepository", "Call to SnodeAPI.deleteMessage failed - attempting to resume..")
                         continuation.resumeWithException(error)
                     }
             }
@@ -330,9 +322,7 @@ class DefaultConversationRepository @Inject constructor(
             while (reader.next != null) {
                 deleteMessageRequest(reader.current)
                 val recipient = reader.current.recipient
-                if (block) {
+                if (block) { setBlocked(recipient, true) }
-                    setBlocked(recipient, true)
-                }
             }
         }
         return ResultOf.Success(Unit)
@@ -359,9 +349,7 @@ class DefaultConversationRepository @Inject constructor(
         val cursor = mmsSmsDb.getConversation(threadId, true)
         mmsSmsDb.readerFor(cursor).use { reader ->
             while (reader.next != null) {
-                if (!reader.current.isOutgoing) {
+                if (!reader.current.isOutgoing) { return true }
-                    return true
-                }
             }
         }
         return false

app/src/main/java/org/thoughtcrime/securesms/search/SearchRepository.java

@@ -4,12 +4,8 @@ import android.content.Context;
 import android.database.Cursor;
 import android.database.DatabaseUtils;
 import android.database.MergeCursor;
-import android.text.TextUtils;
-
 import androidx.annotation.NonNull;
-
 import com.annimon.stream.Stream;
-
 import org.session.libsession.messaging.contacts.Contact;
 import org.session.libsession.utilities.Address;
 import org.session.libsession.utilities.GroupRecord;
@@ -27,37 +23,25 @@ import org.thoughtcrime.securesms.database.model.ThreadRecord;
 import org.thoughtcrime.securesms.search.model.MessageResult;
 import org.thoughtcrime.securesms.search.model.SearchResult;
 import org.thoughtcrime.securesms.util.Stopwatch;
-
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.Executor;
-
 import kotlin.Pair;
 
-/**
+// Class to manage data retrieval for search
- * Manages data retrieval for search.
- */
 public class SearchRepository {
-
   private static final String TAG = SearchRepository.class.getSimpleName();
 
   private static final Set<Character> BANNED_CHARACTERS = new HashSet<>();
   static {
-    // Several ranges of invalid ASCII characters
+    // Construct a list containing several ranges of invalid ASCII characters
-    for (int i = 33; i <= 47; i++) {
+    // See: https://www.ascii-code.com/
-      BANNED_CHARACTERS.add((char) i);
+    for (int i = 33; i <= 47; i++)   { BANNED_CHARACTERS.add((char) i); } // !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /
-    }
+    for (int i = 58; i <= 64; i++)   { BANNED_CHARACTERS.add((char) i); } // :, ;, <, =, >, ?, @
-    for (int i = 58; i <= 64; i++) {
+    for (int i = 91; i <= 96; i++)   { BANNED_CHARACTERS.add((char) i); } // [, \, ], ^, _, `
-      BANNED_CHARACTERS.add((char) i);
+    for (int i = 123; i <= 126; i++) { BANNED_CHARACTERS.add((char) i); } // {, |, }, ~
-    }
-    for (int i = 91; i <= 96; i++) {
-      BANNED_CHARACTERS.add((char) i);
-    }
-    for (int i = 123; i <= 126; i++) {
-      BANNED_CHARACTERS.add((char) i);
-    }
   }
 
   private final Context                context;
@@ -86,35 +70,25 @@ public class SearchRepository {
   }
 
   public void query(@NonNull String query, @NonNull Callback<SearchResult> callback) {
-    if (TextUtils.isEmpty(query)) {
+    // If the sanitized search is empty then abort without search
+    String cleanQuery = sanitizeQuery(query).trim();
+    if (cleanQuery.isEmpty()) {
       callback.onResult(SearchResult.EMPTY);
       return;
     }
 
     executor.execute(() -> {
       Stopwatch timer = new Stopwatch("FtsQuery");
-
-      String cleanQuery = sanitizeQuery(query);
-
-      // If the search is for a single character and it was stripped by `sanitizeQuery` then abort
-      // the search for an empty string to avoid SQLite error.
-      if (cleanQuery.length() == 0)
-      {
-        Log.d(TAG, "Aborting empty search query.");
-        timer.stop(TAG);
-        return;
-      }
-
       timer.split("clean");
 
       Pair<CursorList<Contact>, List<String>> contacts = queryContacts(cleanQuery);
-      timer.split("contacts");
+      timer.split("Contacts");
 
       CursorList<GroupRecord> conversations = queryConversations(cleanQuery, contacts.getSecond());
-      timer.split("conversations");
+      timer.split("Conversations");
 
       CursorList<MessageResult> messages = queryMessages(cleanQuery);
-      timer.split("messages");
+      timer.split("Messages");
 
       timer.stop(TAG);
 
@@ -123,23 +97,20 @@ public class SearchRepository {
   }
 
   public void query(@NonNull String query, long threadId, @NonNull Callback<CursorList<MessageResult>> callback) {
-    if (TextUtils.isEmpty(query)) {
+    // If the sanitized search query is empty then abort the search
+    String cleanQuery = sanitizeQuery(query).trim();
+    if (cleanQuery.isEmpty()) {
       callback.onResult(CursorList.emptyList());
       return;
     }
 
     executor.execute(() -> {
-      // If the sanitized search query is empty then abort the search to prevent SQLite errors.
-      String cleanQuery = sanitizeQuery(query).trim();
-      if (cleanQuery.isEmpty()) { return; }
-            
       CursorList<MessageResult> messages = queryMessages(cleanQuery, threadId);
       callback.onResult(messages);
     });
   }
 
   private Pair<CursorList<Contact>, List<String>> queryContacts(String query) {
-
     Cursor contacts = contactDatabase.queryContactsByName(query);
     List<Address> contactList = new ArrayList<>();
     List<String> contactStrings = new ArrayList<>();
@@ -166,7 +137,6 @@ public class SearchRepository {
     MergeCursor merged = new MergeCursor(new Cursor[]{addressThreads, individualRecipients});
 
     return new Pair<>(new CursorList<>(merged, new ContactModelBuilder(contactDatabase, threadDatabase)), contactStrings);
-
   }
 
   private CursorList<GroupRecord> queryConversations(@NonNull String query, List<String> matchingAddresses) {
@@ -189,9 +159,7 @@ public class SearchRepository {
       membersGroupList.close();
     }
 
-
     Cursor conversations = threadDatabase.getFilteredConversationList(new ArrayList<>(addresses));
-
     return conversations != null ? new CursorList<>(conversations, new GroupModelBuilder(threadDatabase, groupDatabase))
             : CursorList.emptyList();
   }
@@ -256,9 +224,7 @@ public class SearchRepository {
 
     private final Context context;
 
-    RecipientModelBuilder(@NonNull Context context) {
+    RecipientModelBuilder(@NonNull Context context) { this.context = context; }
-      this.context = context;
-    }
 
     @Override
     public Recipient build(@NonNull Cursor cursor) {
@@ -301,9 +267,7 @@ public class SearchRepository {
 
     private final Context context;
 
-    MessageModelBuilder(@NonNull Context context) {
+    MessageModelBuilder(@NonNull Context context) { this.context = context; }
-      this.context = context;
-    }
 
     @Override
     public MessageResult build(@NonNull Cursor cursor) {

app/src/main/java/org/thoughtcrime/securesms/service/ExpiringMessageManager.kt

@@ -151,8 +151,8 @@ class ExpiringMessageManager(context: Context) : MessageExpirationManagerProtoco
 
         val userPublicKey = getLocalNumber(context)
         val senderPublicKey = message.sender
-        val sentTimestamp = if (message.sentTimestamp == null) 0 else message.sentTimestamp!!
+        val sentTimestamp = message.sentTimestamp ?: 0
-        val expireStartedAt = if (expiryMode is AfterSend || message.isSenderSelf) sentTimestamp else 0
+        val expireStartedAt = if ((expiryMode is AfterSend || message.isSenderSelf) && !message.isGroup) sentTimestamp else 0
 
         // Notify the user
         if (senderPublicKey == null || userPublicKey == senderPublicKey) {

app/src/main/java/org/thoughtcrime/securesms/service/WebRtcCallService.kt

@@ -189,9 +189,7 @@ class WebRtcCallService : LifecycleService(), CallManager.WebRtcListener {
         }
 
         fun broadcastWantsToAnswer(context: Context, wantsToAnswer: Boolean) {
-            val intent = Intent(ACTION_WANTS_TO_ANSWER)
+            val intent = Intent(ACTION_WANTS_TO_ANSWER).putExtra(EXTRA_WANTS_TO_ANSWER, wantsToAnswer)
-                .putExtra(EXTRA_WANTS_TO_ANSWER, wantsToAnswer)
-
             LocalBroadcastManager.getInstance(context).sendBroadcast(intent)
         }
 
@@ -514,9 +512,9 @@ class WebRtcCallService : LifecycleService(), CallManager.WebRtcListener {
     }
 
     private fun handleAnswerCall(intent: Intent) {
-        val recipient = callManager.recipient ?: return
+        val recipient = callManager.recipient    ?: return Log.e(TAG, "No recipient to answer in handleAnswerCall")
-        val pending = callManager.pendingOffer ?: return
+        val pending   = callManager.pendingOffer ?: return Log.e(TAG, "No pending offer in handleAnswerCall")
-        val callId = callManager.callId ?: return
+        val callId    = callManager.callId       ?: return Log.e(TAG, "No callId in handleAnswerCall")
         val timestamp = callManager.pendingOfferTime
 
         if (callManager.currentConnectionState != CallState.RemoteRing) {
@@ -534,9 +532,7 @@ class WebRtcCallService : LifecycleService(), CallManager.WebRtcListener {
                 insertMissedCall(recipient, true)
                 terminate()
             }
-            if (didHangup) {
+            if (didHangup) { return }
-                return
-            }
         }
 
         callManager.postConnectionEvent(Event.SendAnswer) {
@@ -699,7 +695,6 @@ class WebRtcCallService : LifecycleService(), CallManager.WebRtcListener {
     private fun registerPowerButtonReceiver() {
         if (powerButtonReceiver == null) {
             powerButtonReceiver = PowerButtonReceiver()
-
             registerReceiver(powerButtonReceiver, IntentFilter(Intent.ACTION_SCREEN_OFF))
         }
     }
@@ -732,7 +727,6 @@ class WebRtcCallService : LifecycleService(), CallManager.WebRtcListener {
         }
     }
 
-
     private fun handleCheckTimeout(intent: Intent) {
         val callId = callManager.callId ?: return
         val callState = callManager.currentConnectionState
@@ -759,9 +753,9 @@ class WebRtcCallService : LifecycleService(), CallManager.WebRtcListener {
         }
 
         if (!CallNotificationBuilder.areNotificationsEnabled(this) && type == TYPE_INCOMING_PRE_OFFER) {
-            // start an intent for the fullscreen
+            // Start an intent for the fullscreen call activity
             val foregroundIntent = Intent(this, WebRtcCallActivity::class.java)
-                .setFlags(FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_BROUGHT_TO_FRONT)
+                .setFlags(FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_BROUGHT_TO_FRONT or Intent.FLAG_ACTIVITY_REORDER_TO_FRONT)
                 .setAction(WebRtcCallActivity.ACTION_FULL_SCREEN_INTENT)
             startActivity(foregroundIntent)
         }

app/src/main/java/org/thoughtcrime/securesms/util/ContentResolverUtils.kt

@@ -0,0 +1,31 @@
+package org.thoughtcrime.securesms.util
+
+import android.content.ContentResolver
+import android.database.ContentObserver
+import android.net.Uri
+import android.os.Handler
+import android.os.Looper
+import androidx.annotation.CheckResult
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.callbackFlow
+
+/**
+ * Observe changes to a content Uri. This function will emit the Uri whenever the content or
+ * its descendants change, according to the parameter [notifyForDescendants].
+ */
+@CheckResult
+fun ContentResolver.observeChanges(uri: Uri, notifyForDescendants: Boolean = false): Flow<Uri> {
+    return callbackFlow {
+        val observer = object : ContentObserver(Handler(Looper.getMainLooper())) {
+            override fun onChange(selfChange: Boolean) {
+                trySend(uri)
+            }
+        }
+
+        registerContentObserver(uri, notifyForDescendants, observer)
+        awaitClose {
+            unregisterContentObserver(observer)
+        }
+    }
+}

app/src/main/java/org/thoughtcrime/securesms/util/IP2Country.kt

@@ -55,7 +55,7 @@ class IP2Country private constructor(private val context: Context) {
 
         public fun configureIfNeeded(context: Context) {
             if (isInitialized) { return; }
-            shared = IP2Country(context)
+            shared = IP2Country(context.applicationContext)
         }
     }
 

app/src/main/java/org/thoughtcrime/securesms/util/Stopwatch.java

@@ -37,12 +37,10 @@ public class Stopwatch {
       for (int i = 1; i < splits.size(); i++) {
         out.append(splits.get(i).label).append(": ");
         out.append(splits.get(i).time - splits.get(i - 1).time);
-        out.append("  ");
+        out.append("ms  ");
       }
-
+      out.append("total: ").append(splits.get(splits.size() - 1).time - startTime).append("ms.");
-      out.append("total: ").append(splits.get(splits.size() - 1).time - startTime);
     }
-
     Log.d(tag, out.toString());
   }
 

app/src/main/java/org/thoughtcrime/securesms/util/ViewUtilities.kt

@@ -9,13 +9,17 @@ import android.graphics.Bitmap
 import android.graphics.PointF
 import android.graphics.Rect
 import android.util.Size
+import android.util.TypedValue
 import android.view.View
 import androidx.annotation.ColorInt
 import androidx.annotation.DimenRes
 import network.loki.messenger.R
 import org.session.libsession.utilities.getColorFromAttr
 import android.view.inputmethod.InputMethodManager
+import androidx.annotation.AttrRes
+import androidx.annotation.ColorRes
 import androidx.core.graphics.applyCanvas
+import org.session.libsignal.utilities.Log
 import kotlin.math.roundToInt
 
 fun View.contains(point: PointF): Boolean {
@@ -32,6 +36,24 @@ val View.hitRect: Rect
 @ColorInt
 fun Context.getAccentColor() = getColorFromAttr(R.attr.colorAccent)
 
+// Method to grab the appropriate attribute for a message colour.
+// Note: This is an attribute, NOT a resource Id - see `getColorResourceIdFromAttr` for that.
+@AttrRes
+fun getMessageTextColourAttr(messageIsOutgoing: Boolean): Int {
+    return if (messageIsOutgoing) R.attr.message_sent_text_color else R.attr.message_received_text_color
+}
+
+// Method to get an actual R.id.<SOME_COLOUR> resource Id from an attribute such as R.attr.message_sent_text_color etc.
+@ColorRes
+fun getColorResourceIdFromAttr(context: Context, attr: Int): Int {
+    val outTypedValue = TypedValue()
+    val successfullyFoundAttribute = context.theme.resolveAttribute(attr, outTypedValue, true)
+    if (successfullyFoundAttribute) { return outTypedValue.resourceId }
+
+    Log.w("ViewUtils", "Could not find colour attribute $attr in theme - using grey as a safe fallback")
+    return R.color.gray50
+}
+
 fun View.animateSizeChange(@DimenRes startSizeID: Int, @DimenRes endSizeID: Int, animationDuration: Long = 250) {
     val startSize = resources.getDimension(startSizeID)
     val endSize = resources.getDimension(endSizeID)
@@ -70,7 +92,6 @@ fun View.hideKeyboard() {
     imm.hideSoftInputFromWindow(this.windowToken, 0)
 }
 
-
 fun View.drawToBitmap(config: Bitmap.Config = Bitmap.Config.ARGB_8888, longestWidth: Int = 2000): Bitmap {
     val size = Size(measuredWidth, measuredHeight).coerceAtMost(longestWidth)
     val scale = size.width / measuredWidth.toFloat()

app/src/main/res/drawable/destructive_dialog_text_button_background.xml

@@ -4,7 +4,6 @@
     <item android:id="@android:id/mask">
         <shape android:shape="rectangle">
             <solid android:color="?android:textColorPrimary"/>
-            <corners android:radius="@dimen/medium_button_corner_radius" />
         </shape>
     </item>
 </ripple>

app/src/main/res/drawable/unimportant_dialog_text_button_background.xml

@@ -4,7 +4,6 @@
     <item android:id="@android:id/mask">
         <shape android:shape="rectangle">
             <solid android:color="?android:textColorPrimary"/>
-            <corners android:radius="@dimen/medium_button_corner_radius" />
         </shape>
     </item>
 </ripple>

app/src/main/res/layout/dialog_clear_all_data.xml

@@ -6,8 +6,7 @@
     android:layout_height="match_parent"
     android:gravity="center_horizontal"
     android:orientation="vertical"
-    android:elevation="4dp"
+    android:elevation="4dp">
-    android:padding="@dimen/medium_spacing">
 
     <TextView
         android:layout_width="wrap_content"
@@ -21,6 +20,8 @@
         android:id="@+id/dialogDescriptionText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginStart="20dp"
+        android:layout_marginEnd="20dp"
         android:layout_marginTop="@dimen/large_spacing"
         android:text="@string/dialog_clear_all_data_message"
         android:textAlignment="center"
@@ -46,16 +47,15 @@
             style="@style/Widget.Session.Button.Dialog.DestructiveText"
             android:id="@+id/clearAllDataButton"
             android:layout_width="0dp"
-            android:layout_height="@dimen/small_button_height"
+            android:layout_height="@dimen/dialog_button_height"
             android:layout_weight="1"
-            android:layout_marginStart="@dimen/medium_spacing"
             android:text="@string/dialog_clear_all_data_clear" />
 
         <Button
             style="@style/Widget.Session.Button.Dialog.UnimportantText"
             android:id="@+id/cancelButton"
             android:layout_width="0dp"
-            android:layout_height="@dimen/small_button_height"
+            android:layout_height="@dimen/dialog_button_height"
             android:layout_weight="1"
             android:text="@string/cancel" />
 

app/src/main/res/layout/dialog_send_seed.xml

@@ -38,7 +38,7 @@
             style="@style/Widget.Session.Button.Dialog.UnimportantText"
             android:id="@+id/cancelButton"
             android:layout_width="0dp"
-            android:layout_height="@dimen/small_button_height"
+            android:layout_height="@dimen/dialog_button_height"
             android:layout_weight="1"
             android:text="@string/cancel" />
 
@@ -46,7 +46,7 @@
             style="@style/Widget.Session.Button.Dialog.DestructiveText"
             android:id="@+id/sendSeedButton"
             android:layout_width="0dp"
-            android:layout_height="@dimen/small_button_height"
+            android:layout_height="@dimen/dialog_button_height"
             android:layout_weight="1"
             android:layout_marginStart="@dimen/medium_spacing"
             android:text="@string/dialog_send_seed_send_button_title" />

app/src/main/res/layout/view_control_message.xml

@@ -48,7 +48,7 @@
         android:textColor="?android:textColorPrimary"
         android:textSize="@dimen/very_small_font_size"
         android:textStyle="bold"
-        tools:text="@string/MessageRecord_you_disabled_disappearing_messages" />
+        tools:text="You disabled disappearing messages" />
 
     <FrameLayout
         android:id="@+id/call_view"

app/src/main/res/values-fa/strings.xml

@@ -7,7 +7,7 @@
     <string name="ban">مسدود</string>
     <string name="save">ذخیره</string>
     <string name="note_to_self">یادداشت به خود</string>
-    <string name="version_s">نسخه</string>
+    <string name="version_s">%s نسخه</string>
     <!-- AbstractNotificationBuilder -->
     <string name="AbstractNotificationBuilder_new_message">پیام جدید</string>
     <!-- AlbumThumbnailView -->

app/src/main/res/values/dimens.xml

@@ -11,6 +11,7 @@
     <dimen name="massive_font_size">50sp</dimen>
 
     <!-- Element Sizes -->
+    <dimen name="dialog_button_height">60dp</dimen>
     <dimen name="small_button_height">34dp</dimen>
     <dimen name="medium_button_height">38dp</dimen>
     <dimen name="large_button_height">54dp</dimen>

app/src/main/res/values/styles.xml

@@ -119,6 +119,7 @@
         <item name="android:textAllCaps">false</item>
         <item name="android:textSize">@dimen/small_font_size</item>
         <item name="android:textColor">?android:textColorPrimary</item>
+        <item name="android:textStyle">bold</item>
     </style>
 
     <style name="Widget.Session.Button.Dialog.UnimportantText">

libsession-util/src/main/cpp/config_base.cpp

@@ -1,5 +1,6 @@
 #include "config_base.h"
 #include "util.h"
+#include "jni_utils.h"
 
 extern "C" {
 JNIEXPORT jboolean JNICALL
@@ -85,10 +86,11 @@ Java_network_loki_messenger_libsession_1util_ConfigBase_confirmPushed(JNIEnv *en
 JNIEXPORT jobject JNICALL
 Java_network_loki_messenger_libsession_1util_ConfigBase_merge___3Lkotlin_Pair_2(JNIEnv *env, jobject thiz,
                                                                      jobjectArray to_merge) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=] {
         std::lock_guard lock{util::util_mutex_};
         auto conf = ptrToConfigBase(env, thiz);
         size_t number = env->GetArrayLength(to_merge);
-    std::vector<std::pair<std::string,session::ustring>> configs = {};
+        std::vector<std::pair<std::string, session::ustring>> configs = {};
         for (int i = 0; i < number; i++) {
             auto jElement = (jobject) env->GetObjectArrayElement(to_merge, i);
             auto pair = extractHashAndData(env, jElement);
@@ -97,17 +99,21 @@ Java_network_loki_messenger_libsession_1util_ConfigBase_merge___3Lkotlin_Pair_2(
         auto returned = conf->merge(configs);
         auto string_stack = util::build_string_stack(env, returned);
         return string_stack;
+    });
 }
 
 JNIEXPORT jobject JNICALL
 Java_network_loki_messenger_libsession_1util_ConfigBase_merge__Lkotlin_Pair_2(JNIEnv *env, jobject thiz,
                                                                    jobject to_merge) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=] {
         std::lock_guard lock{util::util_mutex_};
         auto conf = ptrToConfigBase(env, thiz);
-    std::vector<std::pair<std::string, session::ustring>> configs = {extractHashAndData(env, to_merge)};
+        std::vector<std::pair<std::string, session::ustring>> configs = {
+                extractHashAndData(env, to_merge)};
         auto returned = conf->merge(configs);
         auto string_stack = util::build_string_stack(env, returned);
         return string_stack;
+    });
 }
 
 #pragma clang diagnostic pop

libsession-util/src/main/cpp/contacts.cpp

@@ -1,10 +1,14 @@
 #include "contacts.h"
 #include "util.h"
+#include "jni_utils.h"
 
 extern "C"
 JNIEXPORT jobject JNICALL
 Java_network_loki_messenger_libsession_1util_Contacts_get(JNIEnv *env, jobject thiz,
                                                           jstring session_id) {
+    // If an exception is thrown, return nullptr
+    return jni_utils::run_catching_cxx_exception_or<jobject>(
+            [=]() -> jobject {
                 std::lock_guard lock{util::util_mutex_};
                 auto contacts = ptrToContacts(env, thiz);
                 auto session_id_chars = env->GetStringUTFChars(session_id, nullptr);
@@ -13,34 +17,42 @@ Java_network_loki_messenger_libsession_1util_Contacts_get(JNIEnv *env, jobject t
                 if (!contact) return nullptr;
                 jobject j_contact = serialize_contact(env, contact.value());
                 return j_contact;
+            },
+            [](const char *) -> jobject { return nullptr; }
+    );
 }
 
 extern "C"
 JNIEXPORT jobject JNICALL
 Java_network_loki_messenger_libsession_1util_Contacts_getOrConstruct(JNIEnv *env, jobject thiz,
                                                                      jstring session_id) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=] {
         std::lock_guard lock{util::util_mutex_};
         auto contacts = ptrToContacts(env, thiz);
         auto session_id_chars = env->GetStringUTFChars(session_id, nullptr);
         auto contact = contacts->get_or_construct(session_id_chars);
         env->ReleaseStringUTFChars(session_id, session_id_chars);
         return serialize_contact(env, contact);
+    });
 }
 
 extern "C"
 JNIEXPORT void JNICALL
 Java_network_loki_messenger_libsession_1util_Contacts_set(JNIEnv *env, jobject thiz,
                                                           jobject contact) {
+    jni_utils::run_catching_cxx_exception_or_throws<void>(env, [=] {
         std::lock_guard lock{util::util_mutex_};
         auto contacts = ptrToContacts(env, thiz);
         auto contact_info = deserialize_contact(env, contact, contacts);
         contacts->set(contact_info);
+    });
 }
 
 extern "C"
 JNIEXPORT jboolean JNICALL
 Java_network_loki_messenger_libsession_1util_Contacts_erase(JNIEnv *env, jobject thiz,
                                                             jstring session_id) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jboolean>(env, [=] {
         std::lock_guard lock{util::util_mutex_};
         auto contacts = ptrToContacts(env, thiz);
         auto session_id_chars = env->GetStringUTFChars(session_id, nullptr);
@@ -48,6 +60,7 @@ Java_network_loki_messenger_libsession_1util_Contacts_erase(JNIEnv *env, jobject
         bool result = contacts->erase(session_id_chars);
         env->ReleaseStringUTFChars(session_id, session_id_chars);
         return result;
+    });
 }
 extern "C"
 #pragma clang diagnostic push
@@ -56,45 +69,53 @@ JNIEXPORT jobject JNICALL
 Java_network_loki_messenger_libsession_1util_Contacts_00024Companion_newInstance___3B(JNIEnv *env,
                                                                                       jobject thiz,
                                                                                       jbyteArray ed25519_secret_key) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=] {
         std::lock_guard lock{util::util_mutex_};
         auto secret_key = util::ustring_from_bytes(env, ed25519_secret_key);
-    auto* contacts = new session::config::Contacts(secret_key, std::nullopt);
+        auto *contacts = new session::config::Contacts(secret_key, std::nullopt);
 
         jclass contactsClass = env->FindClass("network/loki/messenger/libsession_util/Contacts");
         jmethodID constructor = env->GetMethodID(contactsClass, "<init>", "(J)V");
-    jobject newConfig = env->NewObject(contactsClass, constructor, reinterpret_cast<jlong>(contacts));
+        jobject newConfig = env->NewObject(contactsClass, constructor,
+                                           reinterpret_cast<jlong>(contacts));
 
         return newConfig;
+    });
 }
 extern "C"
 JNIEXPORT jobject JNICALL
 Java_network_loki_messenger_libsession_1util_Contacts_00024Companion_newInstance___3B_3B(
         JNIEnv *env, jobject thiz, jbyteArray ed25519_secret_key, jbyteArray initial_dump) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=] {
         std::lock_guard lock{util::util_mutex_};
         auto secret_key = util::ustring_from_bytes(env, ed25519_secret_key);
         auto initial = util::ustring_from_bytes(env, initial_dump);
 
-    auto* contacts = new session::config::Contacts(secret_key, initial);
+        auto *contacts = new session::config::Contacts(secret_key, initial);
 
         jclass contactsClass = env->FindClass("network/loki/messenger/libsession_util/Contacts");
         jmethodID constructor = env->GetMethodID(contactsClass, "<init>", "(J)V");
-    jobject newConfig = env->NewObject(contactsClass, constructor, reinterpret_cast<jlong>(contacts));
+        jobject newConfig = env->NewObject(contactsClass, constructor,
+                                           reinterpret_cast<jlong>(contacts));
 
         return newConfig;
+    });
 }
 #pragma clang diagnostic pop
 extern "C"
 JNIEXPORT jobject JNICALL
 Java_network_loki_messenger_libsession_1util_Contacts_all(JNIEnv *env, jobject thiz) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=] {
         std::lock_guard lock{util::util_mutex_};
         auto contacts = ptrToContacts(env, thiz);
         jclass stack = env->FindClass("java/util/Stack");
         jmethodID init = env->GetMethodID(stack, "<init>", "()V");
         jobject our_stack = env->NewObject(stack, init);
         jmethodID push = env->GetMethodID(stack, "push", "(Ljava/lang/Object;)Ljava/lang/Object;");
-    for (const auto& contact : *contacts) {
+        for (const auto &contact: *contacts) {
             auto contact_obj = serialize_contact(env, contact);
             env->CallObjectMethod(our_stack, push, contact_obj);
         }
         return our_stack;
+    });
 }

libsession-util/src/main/cpp/jni_utils.h

@@ -0,0 +1,54 @@
+#ifndef SESSION_ANDROID_JNI_UTILS_H
+#define SESSION_ANDROID_JNI_UTILS_H
+
+#include <jni.h>
+#include <exception>
+
+namespace jni_utils {
+    /**
+     * Run a C++ function and catch any exceptions, throwing a Java exception if one is caught,
+     * and returning a default-constructed value of the specified type.
+     *
+     * @tparam RetT The return type of the function
+     * @tparam Func The function type
+     * @param f The function to run
+     * @param fallbackRun The function to run if an exception is caught. The optional exception message reference will be passed to this function.
+     * @return The return value of the function, or the return value of the fallback function if an exception was caught
+     */
+    template<class RetT, class Func, class FallbackRun>
+    RetT run_catching_cxx_exception_or(Func f, FallbackRun fallbackRun) {
+        try {
+            return f();
+        } catch (const std::exception &e) {
+            return fallbackRun(e.what());
+        } catch (...) {
+            return fallbackRun(nullptr);
+        }
+    }
+
+    /**
+     * Run a C++ function and catch any exceptions, throwing a Java exception if one is caught.
+     *
+     * @tparam RetT The return type of the function
+     * @tparam Func The function type
+     * @param env The JNI environment
+     * @param f The function to run
+     * @return The return value of the function, or a default-constructed value of the specified type if an exception was caught
+     */
+    template<class RetT, class Func>
+    RetT run_catching_cxx_exception_or_throws(JNIEnv *env, Func f) {
+        return run_catching_cxx_exception_or<RetT>(f, [env](const char *msg) {
+            jclass exceptionClass = env->FindClass("java/lang/RuntimeException");
+            if (msg) {
+                auto formatted_message = std::string("libsession: C++ exception: ") + msg;
+                env->ThrowNew(exceptionClass, formatted_message.c_str());
+            } else {
+                env->ThrowNew(exceptionClass, "libsession: Unknown C++ exception");
+            }
+
+            return RetT();
+        });
+    }
+}
+
+#endif //SESSION_ANDROID_JNI_UTILS_H

libsession/src/main/java/org/session/libsession/avatars/PlaceholderAvatarPhoto.kt

@@ -1,13 +1,10 @@
 package org.session.libsession.avatars
 
-import android.content.Context
 import com.bumptech.glide.load.Key
 import java.security.MessageDigest
 
-class PlaceholderAvatarPhoto(val context: Context,
+class PlaceholderAvatarPhoto(val hashString: String,
-                             val hashString: String,
                              val displayName: String): Key {
-
     override fun updateDiskCacheKey(messageDigest: MessageDigest) {
         messageDigest.update(hashString.encodeToByteArray())
         messageDigest.update(displayName.encodeToByteArray())

libsession/src/main/java/org/session/libsession/messaging/LastSentTimestampCache.kt

@@ -0,0 +1,9 @@
+package org.session.libsession.messaging
+
+interface LastSentTimestampCache {
+    fun getTimestamp(threadId: Long): Long?
+    fun submitTimestamp(threadId: Long, timestamp: Long)
+    fun delete(threadId: Long, timestamps: List<Long>)
+    fun delete(threadId: Long, timestamp: Long) = delete(threadId, listOf(timestamp))
+    fun refresh(threadId: Long)
+}

libsession/src/main/java/org/session/libsession/messaging/MessagingModuleConfiguration.kt

@@ -13,7 +13,8 @@ class MessagingModuleConfiguration(
     val device: Device,
     val messageDataProvider: MessageDataProvider,
     val getUserED25519KeyPair: () -> KeyPair?,
-    val configFactory: ConfigFactoryProtocol
+    val configFactory: ConfigFactoryProtocol,
+    val lastSentTimestampCache: LastSentTimestampCache
 ) {
 
     companion object {

libsession/src/main/java/org/session/libsession/messaging/mentions/MentionsManager.kt

@@ -2,7 +2,7 @@ package org.session.libsession.messaging.mentions
 
 import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsession.messaging.contacts.Contact
-import java.util.*
+import java.util.Locale
 
 object MentionsManager {
     var userPublicKeyCache = mutableMapOf<Long, Set<String>>() // Thread ID to set of user hex encoded public keys

libsession/src/main/java/org/session/libsession/messaging/open_groups/OpenGroupApi.kt

@@ -21,6 +21,7 @@ import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsession.messaging.sending_receiving.pollers.OpenGroupPoller.Companion.maxInactivityPeriod
 import org.session.libsession.messaging.utilities.SessionId
 import org.session.libsession.messaging.utilities.SodiumUtilities
+import org.session.libsession.messaging.utilities.SodiumUtilities.sodium
 import org.session.libsession.snode.OnionRequestAPI
 import org.session.libsession.snode.OnionResponse
 import org.session.libsession.snode.SnodeAPI
@@ -48,7 +49,6 @@ object OpenGroupApi {
     val defaultRooms = MutableSharedFlow<List<DefaultGroup>>(replay = 1)
     private val hasPerformedInitialPoll = mutableMapOf<String, Boolean>()
     private var hasUpdatedLastOpenDate = false
-    private val sodium by lazy { LazySodiumAndroid(SodiumAndroid()) }
     private val timeSinceLastOpen by lazy {
         val context = MessagingModuleConfiguration.shared.context
         val lastOpenDate = TextSecurePreferences.getLastOpenTimeDate(context)

libsession/src/main/java/org/session/libsession/messaging/sending_receiving/MessageDecrypter.kt

@@ -8,6 +8,7 @@ import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsession.messaging.sending_receiving.MessageReceiver.Error
 import org.session.libsession.messaging.utilities.SessionId
 import org.session.libsession.messaging.utilities.SodiumUtilities
+import org.session.libsession.messaging.utilities.SodiumUtilities.sodium
 import org.session.libsignal.crypto.ecc.ECKeyPair
 import org.session.libsignal.utilities.Hex
 import org.session.libsignal.utilities.IdPrefix
@@ -17,8 +18,6 @@ import org.session.libsignal.utilities.removingIdPrefixIfNeeded
 
 object MessageDecrypter {
 
-    private val sodium by lazy { LazySodiumAndroid(SodiumAndroid()) }
-
     /**
      * Decrypts `ciphertext` using the Session protocol and `x25519KeyPair`.
      *

libsession/src/main/java/org/session/libsession/messaging/sending_receiving/MessageEncrypter.kt

@@ -7,6 +7,7 @@ import com.goterl.lazysodium.interfaces.Sign
 import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsession.messaging.sending_receiving.MessageSender.Error
 import org.session.libsession.messaging.utilities.SodiumUtilities
+import org.session.libsession.messaging.utilities.SodiumUtilities.sodium
 import org.session.libsignal.utilities.Hex
 import org.session.libsignal.utilities.IdPrefix
 import org.session.libsignal.utilities.Log
@@ -14,8 +15,6 @@ import org.session.libsignal.utilities.removingIdPrefixIfNeeded
 
 object MessageEncrypter {
 
-    private val sodium by lazy { LazySodiumAndroid(SodiumAndroid()) }
-
     /**
      * Encrypts `plaintext` using the Session protocol for `hexEncodedX25519PublicKey`.
      *

libsession/src/main/java/org/session/libsession/messaging/sending_receiving/MessageSender.kt

@@ -73,6 +73,7 @@ object MessageSender {
 
     // Convenience
     fun send(message: Message, destination: Destination, isSyncMessage: Boolean): Promise<Unit, Exception> {
+        if (message is VisibleMessage) MessagingModuleConfiguration.shared.lastSentTimestampCache.submitTimestamp(message.threadID!!, message.sentTimestamp!!)
         return if (destination is Destination.LegacyOpenGroup || destination is Destination.OpenGroup || destination is Destination.OpenGroupInbox) {
             sendToOpenGroupDestination(destination, message)
         } else {
@@ -372,6 +373,7 @@ object MessageSender {
 
     // Result Handling
     private fun handleSuccessfulMessageSend(message: Message, destination: Destination, isSyncMessage: Boolean = false, openGroupSentTimestamp: Long = -1) {
+        if (message is VisibleMessage) MessagingModuleConfiguration.shared.lastSentTimestampCache.submitTimestamp(message.threadID!!, openGroupSentTimestamp)
         val storage = MessagingModuleConfiguration.shared.storage
         val userPublicKey = storage.getUserPublicKey()!!
         val timestamp = message.sentTimestamp!!

libsession/src/main/java/org/session/libsession/messaging/sending_receiving/ReceivedMessageHandler.kt

@@ -290,6 +290,7 @@ fun MessageReceiver.handleVisibleMessage(
 ): Long? {
     val storage = MessagingModuleConfiguration.shared.storage
     val context = MessagingModuleConfiguration.shared.context
+    message.takeIf { it.isSenderSelf }?.sentTimestamp?.let { MessagingModuleConfiguration.shared.lastSentTimestampCache.submitTimestamp(threadId, it) }
     val userPublicKey = storage.getUserPublicKey()
     val messageSender: String? = message.sender
 
@@ -410,12 +411,7 @@ fun MessageReceiver.handleVisibleMessage(
         message.hasMention = listOf(userPublicKey, userBlindedKey)
             .filterNotNull()
             .any { key ->
-                return@any (
+                messageText?.contains("@$key") == true || key == (quoteModel?.author?.serialize() ?: "")
-                    messageText != null &&
-                    messageText.contains("@$key")
-                ) || (
-                    (quoteModel?.author?.serialize() ?: "") == key
-                )
             }
 
         // Persist the message

libsession/src/main/java/org/session/libsession/messaging/utilities/SodiumUtilities.kt

@@ -14,7 +14,7 @@ import org.whispersystems.curve25519.Curve25519
 import kotlin.experimental.xor
 
 object SodiumUtilities {
-    private val sodium by lazy { LazySodiumAndroid(SodiumAndroid()) }
+    val sodium by lazy { LazySodiumAndroid(SodiumAndroid()) }
     private val curve by lazy { Curve25519.getInstance(Curve25519.BEST) }
 
     private const val SCALAR_LENGTH: Int = 32 // crypto_core_ed25519_scalarbytes

libsession/src/main/java/org/session/libsession/messaging/utilities/UpdateMessageBuilder.kt

@@ -10,11 +10,11 @@ import org.session.libsession.messaging.calls.CallMessageType.CALL_INCOMING
 import org.session.libsession.messaging.calls.CallMessageType.CALL_MISSED
 import org.session.libsession.messaging.calls.CallMessageType.CALL_OUTGOING
 import org.session.libsession.messaging.contacts.Contact
-import org.session.libsession.messaging.messages.ExpirationConfiguration.Companion.isNewConfigEnabled
 import org.session.libsession.messaging.sending_receiving.data_extraction.DataExtractionNotificationInfoMessage
+import org.session.libsession.messaging.sending_receiving.data_extraction.DataExtractionNotificationInfoMessage.Kind.MEDIA_SAVED
+import org.session.libsession.messaging.sending_receiving.data_extraction.DataExtractionNotificationInfoMessage.Kind.SCREENSHOT
 import org.session.libsession.utilities.ExpirationUtil
 import org.session.libsession.utilities.getExpirationTypeDisplayValue
-import org.session.libsession.utilities.recipients.Recipient
 import org.session.libsession.utilities.truncateIdForDisplay
 
 object UpdateMessageBuilder {
@@ -31,47 +31,35 @@ object UpdateMessageBuilder {
         else getSenderName(senderId!!)
 
         return when (updateData) {
-            is UpdateMessageData.Kind.GroupCreation -> if (isOutgoing) {
+            is UpdateMessageData.Kind.GroupCreation -> {
-                context.getString(R.string.MessageRecord_you_created_a_new_group)
+                if (isOutgoing) context.getString(R.string.MessageRecord_you_created_a_new_group)
-            } else {
+                else context.getString(R.string.MessageRecord_s_added_you_to_the_group, senderName)
-                context.getString(R.string.MessageRecord_s_added_you_to_the_group, senderName)
             }
-            is UpdateMessageData.Kind.GroupNameChange -> if (isOutgoing) {
+            is UpdateMessageData.Kind.GroupNameChange -> {
-                context.getString(R.string.MessageRecord_you_renamed_the_group_to_s, updateData.name)
+                if (isOutgoing) context.getString(R.string.MessageRecord_you_renamed_the_group_to_s, updateData.name)
-            } else {
+                else context.getString(R.string.MessageRecord_s_renamed_the_group_to_s, senderName, updateData.name)
-                context.getString(R.string.MessageRecord_s_renamed_the_group_to_s, senderName, updateData.name)
             }
             is UpdateMessageData.Kind.GroupMemberAdded -> {
                 val members = updateData.updatedMembers.joinToString(", ", transform = ::getSenderName)
-                if (isOutgoing) {
+                if (isOutgoing) context.getString(R.string.MessageRecord_you_added_s_to_the_group, members)
-                    context.getString(R.string.MessageRecord_you_added_s_to_the_group, members)
+                else context.getString(R.string.MessageRecord_s_added_s_to_the_group, senderName, members)
-                } else {
-                    context.getString(R.string.MessageRecord_s_added_s_to_the_group, senderName, members)
-                }
             }
             is UpdateMessageData.Kind.GroupMemberRemoved -> {
                 val userPublicKey = storage.getUserPublicKey()!!
                 // 1st case: you are part of the removed members
                 return if (userPublicKey in updateData.updatedMembers) {
-                    if (isOutgoing) {
+                    if (isOutgoing) context.getString(R.string.MessageRecord_left_group)
-                        context.getString(R.string.MessageRecord_left_group)
+                    else context.getString(R.string.MessageRecord_you_were_removed_from_the_group)
-                    } else {
-                        context.getString(R.string.MessageRecord_you_were_removed_from_the_group)
-                    }
                 } else {
                     // 2nd case: you are not part of the removed members
                     val members = updateData.updatedMembers.joinToString(", ", transform = ::getSenderName)
-                    if (isOutgoing) {
+                    if (isOutgoing) context.getString(R.string.MessageRecord_you_removed_s_from_the_group, members)
-                        context.getString(R.string.MessageRecord_you_removed_s_from_the_group, members)
+                    else context.getString(R.string.MessageRecord_s_removed_s_from_the_group, senderName, members)
-                    } else {
-                        context.getString(R.string.MessageRecord_s_removed_s_from_the_group, senderName, members)
                 }
             }
-            }
+            is UpdateMessageData.Kind.GroupMemberLeft -> {
-            is UpdateMessageData.Kind.GroupMemberLeft -> if (isOutgoing) {
+                if (isOutgoing) context.getString(R.string.MessageRecord_left_group)
-                context.getString(R.string.MessageRecord_left_group)
+                else context.getString(R.string.ConversationItem_group_action_left, senderName)
-            } else {
-                context.getString(R.string.ConversationItem_group_action_left, senderName)
             }
             else -> return ""
         }
@@ -80,7 +68,7 @@ object UpdateMessageBuilder {
     fun buildExpirationTimerMessage(
         context: Context,
         duration: Long,
-        recipient: Recipient,
+        isGroup: Boolean,
         senderId: String? = null,
         isOutgoing: Boolean = false,
         timestamp: Long,
@@ -89,44 +77,28 @@ object UpdateMessageBuilder {
         if (!isOutgoing && senderId == null) return ""
         val senderName = if (isOutgoing) context.getString(R.string.MessageRecord_you) else getSenderName(senderId!!)
         return if (duration <= 0) {
-            if (isOutgoing) {
+            if (isOutgoing) context.getString(if (isGroup) R.string.MessageRecord_you_turned_off_disappearing_messages else R.string.MessageRecord_you_turned_off_disappearing_messages_1_on_1)
-                if (!isNewConfigEnabled) context.getString(R.string.MessageRecord_you_disabled_disappearing_messages)
+            else context.getString(if (isGroup) R.string.MessageRecord_s_turned_off_disappearing_messages else R.string.MessageRecord_s_turned_off_disappearing_messages_1_on_1, senderName)
-                else context.getString(if (recipient.is1on1) R.string.MessageRecord_you_turned_off_disappearing_messages_1_on_1 else R.string.MessageRecord_you_turned_off_disappearing_messages)
-            } else {
-                if (!isNewConfigEnabled) context.getString(R.string.MessageRecord_s_disabled_disappearing_messages, senderName)
-                else context.getString(if (recipient.is1on1) R.string.MessageRecord_s_turned_off_disappearing_messages_1_on_1 else R.string.MessageRecord_s_turned_off_disappearing_messages, senderName)
-            }
         } else {
             val time = ExpirationUtil.getExpirationDisplayValue(context, duration.toInt())
-            val action = context.getExpirationTypeDisplayValue(timestamp == expireStarted)
+            val action = context.getExpirationTypeDisplayValue(timestamp >= expireStarted)
-            if (isOutgoing) {
+            if (isOutgoing) context.getString(
-                if (!isNewConfigEnabled) context.getString(R.string.MessageRecord_you_set_disappearing_message_time_to_s, time)
+                if (isGroup) R.string.MessageRecord_you_set_messages_to_disappear_s_after_s else R.string.MessageRecord_you_set_messages_to_disappear_s_after_s_1_on_1,
-                else context.getString(
-                    if (recipient.is1on1) R.string.MessageRecord_you_set_messages_to_disappear_s_after_s_1_on_1 else R.string.MessageRecord_you_set_messages_to_disappear_s_after_s,
                 time,
                 action
-                )
+            ) else context.getString(
-            } else {
+                if (isGroup) R.string.MessageRecord_s_set_messages_to_disappear_s_after_s else R.string.MessageRecord_s_set_messages_to_disappear_s_after_s_1_on_1,
-                if (!isNewConfigEnabled) context.getString(R.string.MessageRecord_s_set_disappearing_message_time_to_s, senderName, time)
-                else context.getString(
-                    if (recipient.is1on1) R.string.MessageRecord_s_set_messages_to_disappear_s_after_s_1_on_1 else R.string.MessageRecord_s_set_messages_to_disappear_s_after_s,
                 senderName,
                 time,
                 action
             )
         }
     }
-    }
 
-    fun buildDataExtractionMessage(context: Context, kind: DataExtractionNotificationInfoMessage.Kind, senderId: String? = null): String {
+    fun buildDataExtractionMessage(context: Context, kind: DataExtractionNotificationInfoMessage.Kind, senderId: String? = null) = when (kind) {
-        val senderName = getSenderName(senderId!!)
+        SCREENSHOT -> R.string.MessageRecord_s_took_a_screenshot
-        return when (kind) {
+        MEDIA_SAVED -> R.string.MessageRecord_media_saved_by_s
-            DataExtractionNotificationInfoMessage.Kind.SCREENSHOT ->
+    }.let { context.getString(it, getSenderName(senderId!!)) }
-                context.getString(R.string.MessageRecord_s_took_a_screenshot, senderName)
-            DataExtractionNotificationInfoMessage.Kind.MEDIA_SAVED ->
-                context.getString(R.string.MessageRecord_media_saved_by_s, senderName)
-        }
-    }
 
     fun buildCallMessage(context: Context, type: CallMessageType, sender: String): String =
         when (type) {

libsession/src/main/java/org/session/libsession/snode/SnodeAPI.kt

@@ -3,8 +3,6 @@
 package org.session.libsession.snode
 
 import android.os.Build
-import com.goterl.lazysodium.LazySodiumAndroid
-import com.goterl.lazysodium.SodiumAndroid
 import com.goterl.lazysodium.exceptions.SodiumException
 import com.goterl.lazysodium.interfaces.GenericHash
 import com.goterl.lazysodium.interfaces.PwHash
@@ -19,6 +17,7 @@ import nl.komponents.kovenant.functional.map
 import nl.komponents.kovenant.task
 import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsession.messaging.utilities.MessageWrapper
+import org.session.libsession.messaging.utilities.SodiumUtilities.sodium
 import org.session.libsignal.crypto.getRandomElement
 import org.session.libsignal.database.LokiAPIDatabaseProtocol
 import org.session.libsignal.protos.SignalServiceProtos
@@ -41,7 +40,6 @@ import kotlin.collections.set
 import kotlin.properties.Delegates.observable
 
 object SnodeAPI {
-    private val sodium by lazy { LazySodiumAndroid(SodiumAndroid()) }
     internal val database: LokiAPIDatabaseProtocol
         get() = SnodeModule.shared.storage
     private val broadcaster: Broadcaster

libsession/src/main/java/org/session/libsession/utilities/TextSecurePreferences.kt

@@ -842,7 +842,7 @@ interface TextSecurePreferences {
             getDefaultSharedPreferences(context).edit().putString(key, value).apply()
         }
 
-        private fun getIntegerPreference(context: Context, key: String, defaultValue: Int): Int {
+        fun getIntegerPreference(context: Context, key: String, defaultValue: Int): Int {
             return getDefaultSharedPreferences(context).getInt(key, defaultValue)
         }
 

libsession/src/main/java/org/session/libsession/utilities/ThemeUtil.java

@@ -27,6 +27,10 @@ public class ThemeUtil {
     return getAttributeText(context, R.attr.theme_type, "light").equals("dark");
   }
 
+  public static boolean isLightTheme(@NonNull Context context) {
+    return getAttributeText(context, R.attr.theme_type, "light").equals("light");
+  }
+
   public static boolean getThemedBoolean(@NonNull Context context, @AttrRes int attr) {
     TypedValue      typedValue = new TypedValue();
     Resources.Theme theme      = context.getTheme();

libsession/src/main/java/org/session/libsession/utilities/recipients/Recipient.java

@@ -70,7 +70,7 @@ public class Recipient implements RecipientModifiedListener {
   private final @NonNull Address address;
   private final @NonNull List<Recipient> participants = new LinkedList<>();
 
-  private           Context context;
+  private final     Context context;
   private @Nullable String  name;
   private @Nullable String  customLabel;
   private           boolean resolving;
@@ -132,7 +132,7 @@ public class Recipient implements RecipientModifiedListener {
             @NonNull  Optional<RecipientDetails> details,
             @NonNull  ListenableFutureTask<RecipientDetails> future)
   {
-    this.context   = context;
+    this.context   = context.getApplicationContext();
     this.address   = address;
     this.color     = null;
     this.resolving = true;
@@ -259,7 +259,7 @@ public class Recipient implements RecipientModifiedListener {
   }
 
   Recipient(@NonNull Context context, @NonNull Address address, @NonNull RecipientDetails details) {
-    this.context                = context;
+    this.context                = context.getApplicationContext();
     this.address                = address;
     this.contactUri             = details.contactUri;
     this.name                   = details.name;

libsession/src/main/res/values-fr-rFR/strings.xml

@@ -15,10 +15,6 @@
     <string name="MessageRecord_s_called_you">%s vous a appelé·e</string>
     <string name="MessageRecord_called_s">Vous avez appelé %s</string>
     <string name="MessageRecord_missed_call_from">Appel manqué de %s</string>
-    <string name="MessageRecord_you_disabled_disappearing_messages">Vous avez désactivé les messages éphémères.</string>
-    <string name="MessageRecord_s_disabled_disappearing_messages">%1$s a désactivé les messages éphémères.</string>
-    <string name="MessageRecord_you_set_disappearing_message_time_to_s">Vous avez défini l’expiration des messages éphémères à %1$s</string>
-    <string name="MessageRecord_s_set_disappearing_message_time_to_s">%1$s a défini l’expiration des messages éphémères à %2$s</string>
     <string name="MessageRecord_s_took_a_screenshot">%1$s a pris une capture d\'écran.</string>
     <string name="MessageRecord_media_saved_by_s">%1$s a enregistré le média.</string>
     <!-- expiration -->

libsession/src/main/res/values-fr/strings.xml

@@ -15,10 +15,6 @@
     <string name="MessageRecord_s_called_you">%s vous a appelé·e</string>
     <string name="MessageRecord_called_s">Vous avez appelé %s</string>
     <string name="MessageRecord_missed_call_from">Appel manqué de %s</string>
-    <string name="MessageRecord_you_disabled_disappearing_messages">Vous avez désactivé les messages éphémères.</string>
-    <string name="MessageRecord_s_disabled_disappearing_messages">%1$s a désactivé les messages éphémères.</string>
-    <string name="MessageRecord_you_set_disappearing_message_time_to_s">Vous avez défini l’expiration des messages éphémères à %1$s</string>
-    <string name="MessageRecord_s_set_disappearing_message_time_to_s">%1$s a défini l’expiration des messages éphémères à %2$s</string>
     <string name="MessageRecord_s_took_a_screenshot">%1$s a pris une capture d\'écran.</string>
     <string name="MessageRecord_media_saved_by_s">%1$s a enregistré le média.</string>
     <!-- expiration -->

libsession/src/main/res/values/strings.xml

@@ -17,17 +17,13 @@
     <string name="MessageRecord_missed_call_from">Missed call from %s</string>
     <string name="MessageRecord_follow_setting">Follow Setting</string>
     <string name="AccessibilityId_follow_setting">Follow setting</string>
-    <string name="MessageRecord_you_disabled_disappearing_messages">You disabled disappearing messages.</string>
     <string name="MessageRecord_you_turned_off_disappearing_messages">You have turned off disappearing messages.</string>
     <string name="MessageRecord_you_turned_off_disappearing_messages_1_on_1">You turned off disappearing messages. Messages you send will no longer disappear.</string>
-    <string name="MessageRecord_s_disabled_disappearing_messages">%1$s disabled disappearing messages.</string>
     <string name="MessageRecord_s_turned_off_disappearing_messages">%1$s turned off disappearing messages.</string>
     <string name="MessageRecord_s_turned_off_disappearing_messages_1_on_1">%1$s has turned off disappearing messages. Messages they send will no longer disappear.</string>
-    <string name="MessageRecord_you_set_disappearing_message_time_to_s">You set the disappearing message timer to %1$s</string>
     <string name="MessageRecord_you_set_messages_to_disappear_s_after_s">You have set messages to disappear %1$s after they have been %2$s</string>
     <string name="MessageRecord_you_set_messages_to_disappear_s_after_s_1_on_1">You set your messages to disappear %1$s after they have been %2$s.</string>
     <string name="MessageRecord_you_changed_messages_to_disappear_s_after_s">You have changed messages to disappear %1$s after they have been %2$s</string>
-    <string name="MessageRecord_s_set_disappearing_message_time_to_s">%1$s set the disappearing message timer to %2$s</string>
     <string name="MessageRecord_s_set_messages_to_disappear_s_after_s">%1$s has set messages to disappear %2$s after they have been %3$s</string>
     <string name="MessageRecord_s_set_messages_to_disappear_s_after_s_1_on_1">%1$s has set their messages to disappear %2$s after they have been %3$s.</string>
     <string name="MessageRecord_s_changed_messages_to_disappear_s_after_s">%1$s has changed messages to disappear %2$s after they have been %3$s</string>

libsignal/src/main/java/org/session/libsignal/utilities/ThreadUtils.kt

@@ -1,23 +1,60 @@
 package org.session.libsignal.utilities
 
 import android.os.Process
-import java.util.concurrent.*
+import java.util.concurrent.ExecutorService
+import java.util.concurrent.LinkedBlockingQueue
+import java.util.concurrent.SynchronousQueue
+import java.util.concurrent.ThreadPoolExecutor
+import java.util.concurrent.TimeUnit
 
 object ThreadUtils {
 
+    const val TAG = "ThreadUtils"
+
     const val PRIORITY_IMPORTANT_BACKGROUND_THREAD = Process.THREAD_PRIORITY_DEFAULT + Process.THREAD_PRIORITY_LESS_FAVORABLE
 
-    val executorPool: ExecutorService = Executors.newCachedThreadPool()
+    // Paraphrased from: https://www.baeldung.com/kotlin/create-thread-pool
+    // "A cached thread pool such as one created via:
+    // `val executorPool: ExecutorService = Executors.newCachedThreadPool()`
+    // will utilize resources according to the requirements of submitted tasks. It will try to reuse
+    // existing threads for submitted tasks but will create as many threads as it needs if new tasks
+    // keep pouring in (with a memory usage of at least 1MB per created thread). These threads will
+    // live for up to 60 seconds of idle time before terminating by default. As such, it presents a
+    // very sharp tool that doesn't include any backpressure mechanism - and a sudden peak in load
+    // can bring the system down with an OutOfMemory error. We can achieve a similar effect but with
+    // better control by creating a ThreadPoolExecutor manually."
+
+    private val corePoolSize      = Runtime.getRuntime().availableProcessors() // Default thread pool size is our CPU core count
+    private val maxPoolSize       = corePoolSize * 4                           // Allow a maximum pool size of up to 4 threads per core
+    private val keepAliveTimeSecs = 100L                                       // How long to keep idle threads in the pool before they are terminated
+    private val workQueue         = SynchronousQueue<Runnable>()
+    val executorPool: ExecutorService = ThreadPoolExecutor(corePoolSize, maxPoolSize, keepAliveTimeSecs, TimeUnit.SECONDS, workQueue)
+
+    // Note: To see how many threads are running in our app at any given time we can use:
+    // val threadCount = getAllStackTraces().size
 
     @JvmStatic
     fun queue(target: Runnable) {
-        executorPool.execute(target)
+        executorPool.execute {
+            try {
+                target.run()
+            } catch (e: Exception) {
+                Log.e(TAG, e)
+            }
+        }
     }
 
     fun queue(target: () -> Unit) {
-        executorPool.execute(target)
+        executorPool.execute {
+            try {
+                target()
+            } catch (e: Exception) {
+                Log.e(TAG, e)
+            }
+        }
     }
 
+    // Thread executor used by the audio recorder only
     @JvmStatic
     fun newDynamicSingleThreadedExecutor(): ExecutorService {
         val executor = ThreadPoolExecutor(1, 1, 60, TimeUnit.SECONDS, LinkedBlockingQueue())