CFV2 Add edit message support.

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

@@ -1174,7 +1174,22 @@ class ConversationFragment : LoggingFragment(R.layout.v2_conversation_fragment)
   }
 
   private fun handleEditMessage(conversationMessage: ConversationMessage) {
-    // TODO [cfv2] -- Not implemented yet.
+    if (!FeatureFlags.editMessageSending()) {
+      return
+    }
+
+    /*
+    TODO [cfv2]
+     if (isSearchRequested) {
+      searchViewItem.collapseActionView();
+    }
+     */
+
+    viewModel.resolveMessageToEdit(conversationMessage)
+      .subscribeBy { updatedMessage ->
+        inputPanel.enterEditMessageMode(GlideApp.with(this), updatedMessage, false)
+      }
+      .addTo(disposables)
   }
 
   private fun handleForwardMessageParts(messageParts: Set<MultiselectPart>) {

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

@@ -480,6 +480,10 @@ class ConversationRepository(
     }
   }
 
+  fun resolveMessageToEdit(conversationMessage: ConversationMessage): Single<ConversationMessage> {
+    return oldConversationRepository.resolveMessageToEdit(conversationMessage)
+  }
+
   /**
    * Glide target for a contact photo which expects an error drawable, and publishes
    * the result to the given emitter.

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

@@ -295,4 +295,8 @@ class ConversationViewModel(
   fun getSlideDeckAndBodyForReply(context: Context, conversationMessage: ConversationMessage): Pair<SlideDeck, CharSequence> {
     return repository.getSlideDeckAndBodyForReply(context, conversationMessage)
   }
+
+  fun resolveMessageToEdit(conversationMessage: ConversationMessage): Single<ConversationMessage> {
+    return repository.resolveMessageToEdit(conversationMessage)
+  }
 }