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99 lines
3.6 KiB
JavaScript
99 lines
3.6 KiB
JavaScript
/*
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Copyright 2014 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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'use strict';
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/*
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This service manages shared state between *instances* of recent lists. The
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recents controller will hook into this central service to get things like:
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- which rooms should be highlighted
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- which rooms have been binged
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- which room is currently selected
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- etc.
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This is preferable to polluting the $rootScope with recents specific info, and
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makes the dependency on this shared state *explicit*.
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*/
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angular.module('recentsService', [])
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.factory('recentsService', ['$rootScope', 'eventHandlerService', function($rootScope, eventHandlerService) {
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// notify listeners when variables in the service are updated. We need to do
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// this since we do not tie them to any scope.
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var BROADCAST_SELECTED_ROOM_ID = "recentsService:BROADCAST_SELECTED_ROOM_ID(room_id)";
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var selectedRoomId = undefined;
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var BROADCAST_UNREAD_MESSAGES = "recentsService:BROADCAST_UNREAD_MESSAGES(room_id, unreadCount)";
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var unreadMessages = {
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// room_id: <number>
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};
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var BROADCAST_UNREAD_BING_MESSAGES = "recentsService:BROADCAST_UNREAD_BING_MESSAGES(room_id, event)";
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var unreadBingMessages = {
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// room_id: bingEvent
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};
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// listen for new unread messages
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$rootScope.$on(eventHandlerService.MSG_EVENT, function(ngEvent, event, isLive) {
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if (isLive && event.room_id !== selectedRoomId) {
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if (eventHandlerService.eventContainsBingWord(event)) {
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if (!unreadBingMessages[event.room_id]) {
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unreadBingMessages[event.room_id] = {};
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}
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unreadBingMessages[event.room_id] = event;
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$rootScope.$broadcast(BROADCAST_UNREAD_BING_MESSAGES, event.room_id, event);
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}
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if (!unreadMessages[event.room_id]) {
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unreadMessages[event.room_id] = 0;
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}
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unreadMessages[event.room_id] += 1;
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$rootScope.$broadcast(BROADCAST_UNREAD_MESSAGES, event.room_id, unreadMessages[event.room_id]);
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}
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});
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return {
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BROADCAST_SELECTED_ROOM_ID: BROADCAST_SELECTED_ROOM_ID,
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BROADCAST_UNREAD_MESSAGES: BROADCAST_UNREAD_MESSAGES,
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getSelectedRoomId: function() {
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return selectedRoomId;
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},
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setSelectedRoomId: function(room_id) {
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selectedRoomId = room_id;
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$rootScope.$broadcast(BROADCAST_SELECTED_ROOM_ID, room_id);
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},
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getUnreadMessages: function() {
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return unreadMessages;
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},
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getUnreadBingMessages: function() {
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return unreadBingMessages;
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},
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markAsRead: function(room_id) {
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if (unreadMessages[room_id]) {
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unreadMessages[room_id] = 0;
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}
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if (unreadBingMessages[room_id]) {
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unreadBingMessages[room_id] = undefined;
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}
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$rootScope.$broadcast(BROADCAST_UNREAD_MESSAGES, room_id, 0);
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$rootScope.$broadcast(BROADCAST_UNREAD_BING_MESSAGES, room_id, undefined);
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}
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};
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}]);
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