From 081956c2b43d3e3f725c497446c0132c511de01b Mon Sep 17 00:00:00 2001
From: Matthew Chen <charlesmchen@gmail.com>
Date: Fri, 10 Mar 2017 22:43:33 -0300
Subject: [PATCH] Update conversation view title when group name changes.

// FREEBIE
---
 Signal/src/Models/OWSCall.h                         |  2 +-
 .../Models/TSMessageAdapaters/TSMessageAdapter.m    |  4 +++-
 .../src/view controllers/MessagesViewController.m   | 13 ++++++++++++-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/Signal/src/Models/OWSCall.h b/Signal/src/Models/OWSCall.h
index 602fde9df..419ae4f5d 100644
--- a/Signal/src/Models/OWSCall.h
+++ b/Signal/src/Models/OWSCall.h
@@ -15,7 +15,7 @@ typedef enum : NSUInteger {
     kCallMissed = 3,
     kCallOutgoingIncomplete = 4,
     kCallIncomingIncomplete = 5,
-    kGroupUpdateJoin = 6,
+    // kGroupUpdateJoin has been deprecated.
     kGroupUpdateLeft = 7,
     kGroupUpdate = 8,
 } CallStatus;
diff --git a/Signal/src/Models/TSMessageAdapaters/TSMessageAdapter.m b/Signal/src/Models/TSMessageAdapaters/TSMessageAdapter.m
index 2e772bb57..10223111c 100644
--- a/Signal/src/Models/TSMessageAdapaters/TSMessageAdapter.m
+++ b/Signal/src/Models/TSMessageAdapaters/TSMessageAdapter.m
@@ -180,7 +180,9 @@
         if (adapter.infoMessageType == TSInfoMessageTypeGroupQuit ||
             adapter.infoMessageType == TSInfoMessageTypeGroupUpdate) {
             // repurposing call display for info message stuff for group updates, ! adapter will know because the date
-            // is nil
+            // is nil.
+            //
+            // TODO: This doesn't seem like a good idea.
             CallStatus status = 0;
             if (adapter.infoMessageType == TSInfoMessageTypeGroupQuit) {
                 status = kGroupUpdateLeft;
diff --git a/Signal/src/view controllers/MessagesViewController.m b/Signal/src/view controllers/MessagesViewController.m
index 063e2029d..47358c4af 100644
--- a/Signal/src/view controllers/MessagesViewController.m	
+++ b/Signal/src/view controllers/MessagesViewController.m	
@@ -2079,8 +2079,18 @@ typedef enum : NSUInteger {
     return _editingDatabaseConnection;
 }
 
-
 - (void)yapDatabaseModified:(NSNotification *)notification {
+    // Currently, we update thread and message state every time
+    // the database is modified.  That doesn't seem optimal, but
+    // in practice it's efficient enough.
+    //
+    // 
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self updateContents];
+    });
+}
+
+- (void)updateContents {
     [self updateBackButtonAsync];
 
     if (isGroupConversation) {
@@ -2091,6 +2101,7 @@ typedef enum : NSUInteger {
               self.thread = [TSGroupThread threadWithGroupModel:gThread.groupModel transaction:transaction];
           }
         }];
+        [self setNavigationTitle];
     }
 
     NSArray *notifications = [self.uiDatabaseConnection beginLongLivedReadTransaction];