handle m.room.aliases for id<->alias mapping; remove local_storage map; stop local echo flickering by removing opacity transition for now; implement /join

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;

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);
                     }

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 ******/
 

webclient/room/room-controller.js

@@ -333,6 +333,40 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput'])
                         $scope.feedback = "Usage: /nick <display_name>";
                     }
                     break;
+
+                case "/join":
+                    // Join a room
+                    if (args) {
+                        var matches = args.match(/^(\S+)$/);
+                        if (matches) {
+                            var room_alias = matches[1];
+                            if (room_alias.indexOf(':') == -1) {
+                                // FIXME: actually track the :domain style name of our homeserver
+                                // with or without port as is appropriate and append it at this point
+                            }
+                            
+                            var room_id = matrixService.getAliasToRoomIdMapping(room_alias);
+                            console.log("joining " + room_alias + " id=" + room_id);
+                            if ($rootScope.events.rooms[room_id]) {
+                                // don't send a join event for a room you're already in.
+                                $location.url("room/" + room_alias);
+                            }
+                            else {
+                                promise = matrixService.joinAlias(room_alias).then(
+                                    function(response) {
+                                        $location.url("room/" + room_alias);
+                                    },
+                                    function(error) {
+                                        $scope.feedback = "Can't join room: " + JSON.stringify(error.data);
+                                    }
+                                );
+                            }
+                        }
+                    }
+                    else {
+                        $scope.feedback = "Usage: /join <room_alias>";
+                    }
+                    break;
                     
                 case "/kick":
                     // Kick a user from the room with an optional reason
@@ -428,13 +462,14 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput'])
             var echoMessage = {
                 content: {
                     body: message,
-                    hsob_ts: "Sending...",      // Hack timestamp to display this text in place of the message time
+                    hsob_ts: new Date().getTime(), // fake a timestamp
                     msgtype: "m.text"
                 },
                 room_id: $scope.room_id,
                 type: "m.room.message",
                 user_id: $scope.state.user_id,
-                echo_msg_state: "messagePending"     // Add custom field to indicate the state of this fake message to HTML
+                // FIXME: re-enable echo_msg_state when we have a nice way to turn the field off again
+                // echo_msg_state: "messagePending"     // Add custom field to indicate the state of this fake message to HTML
             };
 
             $rootScope.events.rooms[$scope.room_id].messages.push(echoMessage);
@@ -448,18 +483,21 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput'])
             promise.then(
                 function() {
                     console.log("Request successfully sent");
-
+                    $scope.textInput = "";
+/*
                     if (echoMessage) {
                         // Remove the fake echo message from the room messages
                         // It will be replaced by the one acknowledged by the server
-                        var index = $rootScope.events.rooms[$scope.room_id].messages.indexOf(echoMessage);
+                        // ...except this causes a nasty flicker.  So don't swap messages for now. --matthew
-                        if (index > -1) {
+                        // var index = $rootScope.events.rooms[$scope.room_id].messages.indexOf(echoMessage);
-                            $rootScope.events.rooms[$scope.room_id].messages.splice(index, 1);
+                        // if (index > -1) {
-                        }
+                        //     $rootScope.events.rooms[$scope.room_id].messages.splice(index, 1);
+                        // }
                     }
                     else {
                         $scope.textInput = "";
                     }
+*/                    
                 },
                 function(error) {
                     $scope.feedback = "Request failed: " + error.data.error;