Add muting to message actions menu

(imported from commit 26568e36f2a41f2b85413ab4d069a689c9901aac)

static/js/feature_flags.js

@@ -30,6 +30,8 @@ exports.fade_users_when_composing = page_params.staging;
 exports.alert_words = page_params.staging ||
   _.contains(['reddit.com'], page_params.domain);
 
+exports.muting = page_params.staging;
+
 return exports;
 
 }());

static/js/popovers.js

@@ -55,9 +55,16 @@ exports.show_actions_popover = function (element, id) {
     if (elt.data('popover') === undefined) {
         var message = current_msg_list.get(id);
         var can_edit = message.sent_by_me;
+        var can_mute_topic =
+                feature_flags.muting &&
+                message.stream &&
+                message.subject &&
+                !muting.is_topic_muted(message.stream, message.subject);
+
         var args = {
             message:  message,
             can_edit_message: can_edit,
+            can_mute_topic: can_mute_topic,
             narrowed: narrow.active()
         };
 
@@ -366,6 +373,16 @@ exports.register_click_handlers = function () {
         e.preventDefault();
     });
 
+    $('body').on('click', '.popover_mute_topic', function (e) {
+        var stream = $(e.currentTarget).data('msg-stream');
+        var topic = $(e.currentTarget).data('msg-topic');
+        popovers.hide_actions_popover();
+        muting.mute_topic(stream, topic);
+        current_msg_list.rerender();
+        e.stopPropagation();
+        e.preventDefault();
+    });
+
     $('body').on('click', '.toggle_home', function (e) {
         var stream = $(e.currentTarget).parents('ul').attr('data-name');
         popovers.hide_stream_sidebar_popover();

static/templates/actions_popover_content.handlebars

@@ -57,4 +57,13 @@
     </a>
   </li>
 
+  {{#if can_mute_topic}}
+  <li>
+    <a href="#" class="popover_mute_topic" data-msg-stream="{{message.stream}}" data-msg-topic="{{message.subject}}">
+      <i class="icon-vector-eye-close"></i>
+      Mute the topic <b>{{message.subject}}</b>
+    </a>
+  </li>
+  {{/if}}
+
 </ul>