Add a logic class to determine whether an event affects a room's unread count / status & use it

src/UnreadStatus.js

@@ -0,0 +1,30 @@
+/*
+Copyright 2015 OpenMarket Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+module.exports = {
+    /**
+     * Returns true iff this event arriving in a room should affect the room's
+     * count of unread messages
+     */
+    eventTriggersUnreadCount: function(ev) {
+        if (ev.getType() == "m.room.member") {
+            return false;
+        } else if (ev.getType == 'm.room.message' && ev.getContent().msgtype == 'm.notify') {
+            return false;
+        }
+        return true;
+    }
+};

src/components/views/rooms/RoomList.js

@@ -98,8 +98,7 @@ module.exports = React.createClass({
             room.roomId != this.props.selectedRoom &&
             ev.getSender() != MatrixClientPeg.get().credentials.userId)
         {
-            // don't mark rooms as unread for just member changes
-            if (ev.getType() != "m.room.member") {
+            if (UnreadStatus.eventTriggersUnreadCount(ev)) {
                 hl = 1;
             }