6 changed files with 83 additions and 8 deletions
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@@ -0,0 +1,73 @@
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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(["modernizr"], function(Modernizr) { |
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// localStorage
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return ["$window", function($window) { |
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// PersistentStorage (c)2014 struktur AG. MIT license.
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var PersistentStorage = function(prefix) { |
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this.prefix = prefix ? prefix : "ps"; |
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this.isPersistentStorage = true; |
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}; |
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PersistentStorage.prototype.setItem = function(key, data) { |
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var name = this.prefix+"_"+key; |
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$window.document.cookie = name + "=" + data + "; path=/"; |
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}; |
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PersistentStorage.prototype.getItem = function(key) { |
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var name = this.prefix+"_"+key+"="; |
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var ca = $window.document.cookie.split(';'); |
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for (var i=0; i<ca.length; i++) { |
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var c = ca[i].trim(); |
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if (c.indexOf(name) === 0) { |
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return c.substring(name.length, c.length); |
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} |
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} |
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return null; |
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}; |
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PersistentStorage.prototype.removeItem = function(key) { |
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var name = this.prefix+"_"+key; |
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$window.document.cookie = name + "=; expires=Thu, 01 Jan 1970 00:00:01 GMT; path=/"; |
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}; |
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var storage; |
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if (Modernizr.localStorage) { |
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storage = $window.localStorage; |
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} else { |
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storage = new PersistentStorage(); |
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} |
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// public API.
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return { |
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setItem: function(key, data) { |
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return storage.setItem(key, data); |
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}, |
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getItem: function(key) { |
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return storage.getItem(key); |
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}, |
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removeItem: function(key) { |
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return storage.removeItem(key); |
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} |
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} |
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}]; |
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}); |
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