Simon Eisenmann
11 years ago
9 changed files with 347 additions and 49 deletions
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/* |
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* Spreed WebRTC. |
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* Copyright (C) 2013-2014 struktur AG |
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* |
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* This file is part of Spreed WebRTC. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* |
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*/ |
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define(["underscore", "jquery"], function(_, $) { |
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// chromeExtension
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return ["$window", "$q", function($window, $q) { |
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var ChromeExtension = function() { |
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this.available = false; |
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this.registry = {}; |
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this.count = 0; |
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this.e = $({}); |
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this.autoinstall = {}; |
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this.initialize(); |
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}; |
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ChromeExtension.prototype.initialize = function() { |
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var marker = $window.document.getElementById("chromeextension-available"); |
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if (marker) { |
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this.available = true; |
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console.log("Chrome extension is available."); |
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this.e.triggerHandler("available", true); |
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} else if (!marker && this.available) { |
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this.available = false; |
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console.log("Chrome extension is no longer available."); |
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this.e.triggerHandler("available", false); |
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} |
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}; |
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ChromeExtension.prototype.call = function(data) { |
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var deferred = $q.defer(); |
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var n = this.count++; |
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this.registry[n] = deferred; |
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var msg = { |
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Type: "Call", |
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Call: data, |
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n: n |
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} |
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$window.postMessage(msg, $window.document.URL); |
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return deferred.promise; |
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}; |
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ChromeExtension.prototype.onMessage = function(event) { |
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var data = event.data; |
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switch (data.Type) { |
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case "Call": |
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var deferred = this.registry[data.n]; |
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if (deferred) { |
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var call = data.Call; |
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switch (call.Type) { |
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case "Result": |
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delete this.registry[data.n]; |
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//console.log("Call complete with result", call);
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deferred.resolve(call.Result); |
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break; |
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case "Notify": |
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//console.log("Notify", call);
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deferred.notify(call.Notify); |
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break; |
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case "Error": |
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delete this.registry[data.n]; |
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//console.log("Call failed with error", call);
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deferred.reject(call.Error); |
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break |
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} |
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} else { |
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console.warn("Unknown call reference received", data, this.registry, this); |
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} |
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break; |
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case "Upgrade": |
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console.log("Extension installed or upgraded", data); |
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this.initialize(); |
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break; |
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default: |
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console.log("Unknown message type", data.Type, data); |
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break; |
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} |
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}; |
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ChromeExtension.prototype.registerAutoInstall = function(installFunc, cancelInstallFunc) { |
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this.autoinstall.install = installFunc; |
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this.autoinstall.cancel = cancelInstallFunc; |
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if (!this.available && installFunc) { |
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this.e.triggerHandler("available", true); |
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} |
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}; |
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var extension = new ChromeExtension(); |
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$window.addEventListener("message", function(event) { |
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//console.log("message", event.origin, event.source === window, event);
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if (event.source === window && event.data.answer) { |
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// Only process answers to avoid loops.
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extension.onMessage(event); |
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} |
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}); |
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// Expose.
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return extension; |
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}]; |
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}); |
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