From 081ae7771ad80c22ccb8022696d893db6107221a Mon Sep 17 00:00:00 2001
From: Jessica McKellar <jesstess@humbughq.com>
Date: Thu, 22 Aug 2013 13:57:48 -0400
Subject: [PATCH] Add a MessageList method to update message recipients.

(imported from commit 3c24f045aa5726fcab8b9acd91105044e7783b63)
---
 static/js/message_list.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/static/js/message_list.js b/static/js/message_list.js
index d0865f5c8b..480b0d9add 100644
--- a/static/js/message_list.js
+++ b/static/js/message_list.js
@@ -334,6 +334,18 @@ MessageList.prototype = {
 
     get_row: function (id) {
         return this.view.get_row(id);
+    },
+
+    change_display_recipient: function MessageList_change_display_recipient(old_recipient,
+                                                                            new_recipient) {
+        // This method only works for streams.
+        _.each(this._items, function (item) {
+            if (item.display_recipient === old_recipient) {
+                item.display_recipient = new_recipient;
+                item.stream = new_recipient;
+            }
+        });
+        this.view.rerender_the_whole_thing();
     }
 };