/* * This file contains the plugin definitions */ plugins = angular.module('plugins', []); /* * Definition of a user provided plugin with sensible default values * * User plugins are created by providing a contentForMessage function * that parses a string and return any additional content. */ var Plugin = function(contentForMessage) { return { contentForMessage: contentForMessage, exclusive: false, name: "additional content" } } /* * This service provides access to the plugin manager * * The plugin manager is where the various user provided plugins * are registered. It is responsible for finding additional content * to display when messages are received. * */ plugins.service('plugins', ['userPlugins', '$sce', function(userPlugins, $sce) { var nsfwRegexp = new RegExp('nsfw', 'i'); /* * Defines the plugin manager object */ var PluginManagerObject = function() { var plugins = []; /* * Register the user provides plugins * * @param userPlugins user provided plugins */ var registerPlugins = function(userPlugins) { for (var i = 0; i < userPlugins.length; i++) { plugins.push(userPlugins[i]); }; } /* * Iterates through all the registered plugins * and run their contentForMessage function. */ var contentForMessage = function(message) { message.metadata = []; for (var i = 0; i < plugins.length; i++) { var nsfw = false; var visible = true; if (message.text.match(nsfwRegexp)) { var nsfw = true; var visible = false; } var pluginContent = plugins[i].contentForMessage(message.text); if (pluginContent) { var pluginContent = {'visible': visible, 'content': $sce.trustAsHtml(pluginContent), 'nsfw': nsfw, 'name': plugins[i].name } message.metadata.push(pluginContent); if (plugins[i].exclusive) { break; } } } /* Replace all URLs with hyperlinks */ var urlRegexp = RegExp(/(http|ftp|https):\/\/[\w-]+(\.[\w-]+)+([\w.,@?^=%&:\/~+#-]*[\w@?^=%&\/~+#-])?/g); for(k in message.content) { var text = message.content[k].text; var url = text.match(urlRegexp); for(i in url) { var u = url[i]; text = text.replace(u, '' + u + ''); } message.content[k].text = $sce.trustAsHtml(text); } return message; } return { registerPlugins: registerPlugins, contentForMessage: contentForMessage } } // Instanciates and registers the plugin manager. this.PluginManager = new PluginManagerObject(); this.PluginManager.registerPlugins(userPlugins.plugins); }]); /* * This factory exposes the collection of user provided plugins. * * To create your own plugin, you need to: * * 1. Define it's contentForMessage function. The contentForMessage * function takes a string as a parameter and returns a HTML string. * * 2. Instanciate a Plugin object with contentForMessage function as it's * argument. * * 3. Add it to the plugins array. * */ plugins.factory('userPlugins', function() { var urlRegexp = RegExp(/(http|ftp|https):\/\/[\w-]+(\.[\w-]+)+([\w.,@?^=%&:\/~+#-]*[\w@?^=%&\/~+#-])?/); /* * YouTube Embedded Player * * See: https://developers.google.com/youtube/player_parameters */ var youtubePlugin = new Plugin(function(message) { var regExp = /^.*((youtu.be\/)|(v\/)|(\/u\/\w\/)|(embed\/)|(watch\?))\??v?=?([^#\&\?]*).*/; var match = message.match(regExp); if (match && match[7].length==11){ var token = match[7]; var embedurl = "http://www.youtube.com/embed/" + token + "?html5=1&iv_load_policy=3&modestbranding=1&rel=0&showinfo=0"; return ''; } return null; }); youtubePlugin.name = 'YouTube video'; /* * Image Preview */ var imagePlugin = new Plugin(function(message) { var url = message.match(urlRegexp); var content = null; if (url) { var url = url[0]; /* Actually parse one url per message */ if (url.match(/png$|gif$|jpg$|jpeg$/)) { /* A fukung.net URL may end by an image extension but is not a direct link. */ if (url.indexOf("fukung.net/v/") != -1) { url = url.replace(/.*\//, "http://media.fukung.net/imgs/") } content = ''; } } return content; }); imagePlugin.name = 'image'; return { plugins: [youtubePlugin, imagePlugin] } });