Support for calls & groups in new blue styled format.

Signal/src/view controllers/TSGroupModel.m

@@ -50,9 +50,9 @@
 }
 
 - (NSString*) getInfoStringAboutUpdateTo:(TSGroupModel*)newModel {
-    NSString* updatedGroupInfoString = @"Group updated. ";
+    NSString* updatedGroupInfoString = @"";
     if (self == newModel) {
-        return updatedGroupInfoString;
+        return @"Group updated.";
     }
     if (![_groupName isEqual:newModel.groupName]) {
         updatedGroupInfoString = [updatedGroupInfoString stringByAppendingString:[NSString stringWithFormat:@"Title is now '%@'. ",newModel.groupName]];
@@ -60,6 +60,9 @@
     if(_groupImage!=nil  && newModel.groupImage!=nil  && !([UIImagePNGRepresentation(_groupImage) isEqualToData:UIImagePNGRepresentation(newModel.groupImage)])) {
         updatedGroupInfoString = [updatedGroupInfoString stringByAppendingString:@"Avatar changed. "];
     }
+    if([updatedGroupInfoString length]==0) {
+        updatedGroupInfoString = @"Group updated";
+    }
     NSSet* oldMembers = [NSSet setWithArray:_groupMemberIds];
     NSSet* newMembers = [NSSet setWithArray:newModel.groupMemberIds];
     

Signal/src/view controllers/TSMessageAdapter.m

@@ -135,6 +135,12 @@
         adapter.infoMessageType = infoMessage.messageType;
         adapter.messageBody = infoMessage.description;
         adapter.messageType = TSInfoMessageAdapter;
+        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
+            CallStatus status = 0;
+            JSQCall* call = [[JSQCall alloc] initWithCallerId:@"" callerDisplayName:adapter.messageBody date:nil status:status];
+            return call;
+        }
     } else {
         TSErrorMessage * errorMessage = (TSErrorMessage*)interaction;
         adapter.infoMessageType = errorMessage.errorType;