3 files changed, 40 insertions, 3 deletions
diff --git a/webclient/components/matrix/event-handler-service.js b/webclient/components/matrix/event-handler-service.js
index ee478d2eb0..9732aedfdc 100644
--- a/webclient/components/matrix/event-handler-service.js
+++ b/webclient/components/matrix/event-handler-service.js
@@ -66,11 +66,21 @@ angular.module('eventHandlerService', [])
         $rootScope.$broadcast(ROOM_CREATE_EVENT, event, isLiveEvent);
     };
 
+    var handleRoomAliases = function(event, isLiveEvent) {
+        matrixService.createRoomIdToAliasMapping(event.room_id, event.content.aliases[0]);
+    };
+
     var handleMessage = function(event, isLiveEvent) {
         initRoom(event.room_id);
         
         if (isLiveEvent) {
-            $rootScope.events.rooms[event.room_id].messages.push(event);
+            if (event.user_id === matrixService.config().user_id) {
+                // assume we've already echoed it
+                // FIXME: track events by ID and ungrey the right message to show it's been delivered
+            }
+            else {
+                $rootScope.events.rooms[event.room_id].messages.push(event);
+            }
         }
         else {
             $rootScope.events.rooms[event.room_id].messages.unshift(event);
@@ -87,6 +97,14 @@ angular.module('eventHandlerService', [])
     var handleRoomMember = function(event, isLiveEvent) {
         initRoom(event.room_id);
         
+        // if the server is stupidly re-relaying a no-op join, discard it.
+        if (event.prev_content && 
+            event.content.membership === "join" &&
+            event.content.membership === event.prev_content.membership)
+        {
+            return;
+        }
+        
         // add membership changes as if they were a room message if something interesting changed
         if (event.content.prev !== event.content.membership) {
             if (isLiveEvent) {
@@ -144,6 +162,9 @@ angular.module('eventHandlerService', [])
                 case "m.room.create":
                     handleRoomCreate(event, isLiveEvent);
                     break;
+                case "m.room.aliases":
+                    handleRoomAliases(event, isLiveEvent);
+                    break;
                 case "m.room.message":
                     handleMessage(event, isLiveEvent);
                     break;
diff --git a/webclient/components/matrix/event-stream-service.js b/webclient/components/matrix/event-stream-service.js
index 1c0f7712b4..ed4f3b2ffc 100644
--- a/webclient/components/matrix/event-stream-service.js
+++ b/webclient/components/matrix/event-stream-service.js
@@ -110,6 +110,7 @@ angular.module('eventStreamService', [])
                 var rooms = response.data.rooms;
                 for (var i = 0; i < rooms.length; ++i) {
                     var room = rooms[i];
+                    // console.log("got room: " + room.room_id);
                     if ("state" in room) {
                         eventHandlerService.handleEvents(room.state, false);
                     }
diff --git a/webclient/components/matrix/matrix-service.js b/webclient/components/matrix/matrix-service.js
index b7e03657f0..a1b9691f05 100644
--- a/webclient/components/matrix/matrix-service.js
+++ b/webclient/components/matrix/matrix-service.js
@@ -36,6 +36,9 @@ angular.module('matrixService', [])
     */    
     var config;
     
+    var roomIdToAlias = {};
+    var aliasToRoomId = {};
+    
     // Current version of permanent storage
     var configVersion = 0;
     var prefixPath = "/_matrix/client/api/v1";
@@ -529,6 +532,8 @@ angular.module('matrixService', [])
                 result.room_alias = alias;
                 result.room_display_name = alias;
             }
+            // XXX: this only lets us learn aliases from our local HS - we should
+            // make the client stop returning this if we can trust m.room.aliases state events
             else if (room.aliases && room.aliases[0]) {
                 // save the mapping
                 // TODO: select the smarter alias from the array
@@ -546,13 +551,23 @@ angular.module('matrixService', [])
         },
         
         createRoomIdToAliasMapping: function(roomId, alias) {
-            localStorage.setItem(MAPPING_PREFIX+roomId, alias);
+            //console.log("creating mapping between " + roomId + " and " + alias);
+            roomIdToAlias[roomId] = alias;
+            aliasToRoomId[alias] = roomId;
+            // localStorage.setItem(MAPPING_PREFIX+roomId, alias);
         },
         
         getRoomIdToAliasMapping: function(roomId) {
-            return localStorage.getItem(MAPPING_PREFIX+roomId);
+            var alias = roomIdToAlias[roomId]; // was localStorage.getItem(MAPPING_PREFIX+roomId)
+            //console.log("looking for alias for " + roomId + "; found: " + alias);
+            return alias;
         },
 
+        getAliasToRoomIdMapping: function(alias) {
+            var roomId = aliasToRoomId[alias];
+            //console.log("looking for roomId for " + alias + "; found: " + roomId);
+            return roomId;
+        },
 
         /****** Power levels management ******/