Reduce animations in transcript

kordophone2/MessageEntryView.swift

@@ -54,7 +54,9 @@ struct MessageEntryView: View
         }
         
         .onChange(of: selectedConversation) { oldValue, newValue in
-            viewModel.draftText = ""
+            if oldValue?.id != newValue?.id {
+                viewModel.draftText = ""
+            }
         }
     }
     

kordophone2/Transcript/TranscriptView.swift

@@ -29,7 +29,7 @@ struct TranscriptView: View
             .padding()
         }
         .scaleEffect(CGSize(width: 1.0, height: -1.0))
-        .id(model.displayedConversation)
+        .id(model.displayedConversation?.id)
         .task { await watchForMessageListChanges() }
     }
     
@@ -39,7 +39,9 @@ struct TranscriptView: View
                 case .attachmentDownloaded(let attachmentId):
                     model.attachmentDownloaded(id: attachmentId)
                 case .messagesUpdated(let conversationId):
-                    if let displayedConversation = model.displayedConversation, conversationId == displayedConversation.id {
+                    if let displayedConversation = model.displayedConversation,
+                        conversationId == displayedConversation.id
+                    {
                         model.setNeedsReload(animated: true)
                     }
                 case .updateStreamReconnected:
@@ -159,8 +161,14 @@ struct TranscriptView: View
                 let clientMessages = try await client.getMessages(conversationId: displayedConversation.id)
                     .map { Display.Message(from: $0) }
 
+                let newIds = Set(clientMessages.map(\.id))
+                    .subtracting(self.messages.map(\.id))
+
+                // Only animate for incoming messages.
+                let shouldAnimate = (newIds.count == 1)
+
                 self.messages = clientMessages
-                self.rebuildDisplayItems(animated: animated)
+                self.rebuildDisplayItems(animated: animated && shouldAnimate)
             } catch {
                 print("Message fetch error: \(error)")
             }