Added Safari Support

chrome/background.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2013 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-(function() {
+(function()
+{
   /* Events */
 
-  var TabEventTarget = function() {
+  var TabEventTarget = function()
+  {
     WrappedEventTarget.apply(this, arguments);
 
     this._tabs = {};
 
     this._sharedListener = this._sharedListener.bind(this);
     this._removeTab = this._removeTab.bind(this);
   };
   TabEventTarget.prototype = {
     __proto__: WrappedEventTarget.prototype,
-    _bindToTab: function(tab) {
+    _bindToTab: function(tab)
+    {
       return {
-        addListener: function(listener) {
+        addListener: function(listener)
+        {
           var listeners = this._tabs[tab._id];
 
-          if (!listeners) {
+          if (!listeners)
+          {
             this._tabs[tab._id] = listeners = [];
 
             if (Object.keys(this._tabs).length == 1)
               this.addListener(this._sharedListener);
 
             tab.onRemoved.addListener(this._removeTab);
           }
 
           listeners.push(listener);
         }.bind(this),
-        removeListener: function(listener) {
+        removeListener: function(listener)
+        {
           var listeners = this._tabs[tab._id];
           if (!listeners)
             return;
 
           var idx = listeners.indexOf(listener);
           if (idx == -1)
             return;
 
           listeners.splice(idx, 1);
 
           if (listeners.length == 0)
             tab.onRemoved.removeListener(this._removeTab);
-          else {
+          else
+          {
             if (listeners.length > 1)
               return;
             if (listeners[0] != this._removeTab)
               return;
           }
 
           this._removeTab(tab);
         }.bind(this)
       };
     },
-    _sharedListener: function(tab) {
+    _sharedListener: function(tab)
+    {
       var listeners = this._tabs[tab._id];
 
       if (!listeners)
         return;
 
-      // copy listeners before calling them, because of they
-      // might add or remove other listeners, which must not be
-      // taken into account before the next occurrance of the event
+      // copy listeners before calling them, because they might
+      // add or remove other listeners, which must not be taken
+      // into account before the next occurrence of the event
       listeners = listeners.slice(0);
 
       for (var i = 0; i < listeners.length; i++)
         listeners[i](tab);
     },
-    _removeTab: function(tab) {
+    _removeTab: function(tab)
+    {
       delete this._tabs[tab._id];
 
       if (Object.keys(this._tabs).length == 0)
         this.removeListener(this._sharedListener);
     }
   };
 
-  var BeforeNavigateTabEventTarget = function() {
+  var BeforeNavigateTabEventTarget = function()
+  {
     TabEventTarget.call(this, chrome.tabs.onUpdated);
   };
   BeforeNavigateTabEventTarget.prototype = {
     __proto__: TabEventTarget.prototype,
-    _wrapListener: function(listener) {
-      return function(id, info, tab) {
+    _wrapListener: function(listener)
+    {
+      return function(id, info, tab)
+      {
         if ("url" in info)
           listener(new Tab(tab));
       };
     }
   };
 
-  var CompletedTabEventTarget = function() {
+  var CompletedTabEventTarget = function()
+  {
     TabEventTarget.call(this, chrome.tabs.onUpdated);
   };
   CompletedTabEventTarget.prototype = {
     __proto__: TabEventTarget.prototype,
-    _wrapListener: function(listener) {
-      return function(id, info, tab) {
+    _wrapListener: function(listener)
+    {
+      return function(id, info, tab)
+      {
         if (info.status == "complete")
           listener(new Tab(tab));
       };
     }
   };
 
-  var ActivatedTabEventTarget = function() {
+  var ActivatedTabEventTarget = function()
+  {
     TabEventTarget.call(this, chrome.tabs.onActivated);
   };
   ActivatedTabEventTarget.prototype = {
     __proto__: TabEventTarget.prototype,
-    _wrapListener: function(listener) {
-      return function(info) {
-        chrome.tabs.get(info.tabId, function(tab) {
+    _wrapListener: function(listener)
+    {
+      return function(info)
+      {
+        chrome.tabs.get(info.tabId, function(tab)
+        {
           listener(new Tab(tab));
         });
       };
     }
   }
 
-  var RemovedTabEventTarget = function() {
+  var RemovedTabEventTarget = function()
+  {
     TabEventTarget.call(this, chrome.tabs.onRemoved);
   };
   RemovedTabEventTarget.prototype = {
     __proto__: TabEventTarget.prototype,
-    _wrapListener: function(listener) {
-      return function(id) {
-        listener(new Tab({id: id}));
-      };
-    }
-  };
-
-  var BeforeRequestEventTarget = function() {
+    _wrapListener: function(listener)
+    {
+      return function(id) { listener(new Tab({id: id})); };
+    }
+  };
+
+  var BeforeRequestEventTarget = function()
+  {
     WrappedEventTarget.call(this, chrome.webRequest.onBeforeRequest);
   };
   BeforeRequestEventTarget.prototype = {
     __proto__: WrappedEventTarget.prototype,
-    _wrapListener: function(listener) {
-      return function(details) {
+    _wrapListener: function(listener)
+    {
+      return function(details)
+      {
         var tab = null;
 
         if (details.tabId != -1)
           tab = new Tab({id: details.tabId});
 
         return {cancel: listener(
           details.url,
           details.type,
           tab,
           details.frameId,
           details.parentFrameId
         ) === false};
       };
     },
-    _prepareExtraArguments: function(urls) {
+    _prepareExtraArguments: function(urls)
+    {
       return [urls ? {urls: urls} : {}, ["blocking"]];
     }
   };
 
 
   /* Tabs */
 
-  var PageAction = function(tabId) {
+  var PageAction = function(tabId)
+  {
     this._tabId = tabId;
   };
   PageAction.prototype = {
-    setIcon: function(path) {
+    setIcon: function(path)
+    {
       chrome.pageAction.setIcon({tabId: this._tabId, path: path});
     },
-    setTitle: function(title) {
+    setTitle: function(title)
+    {
       chrome.pageAction.setTitle({tabId: this._tabId, title: title});
     },
-    hide: function() {
+    hide: function()
+    {
       chrome.pageAction.hide(this._tabId);
     },
-    show: function() {
+    show: function()
+    {
       chrome.pageAction.show(this._tabId);
     }
   };
 
-  Tab = function(tab) {
+  Tab = function(tab)
+  {
     this._id = tab.id;
 
     this.url = tab.url;
     this.pageAction = new PageAction(tab.id);
 
     this.onBeforeNavigate = ext.tabs.onBeforeNavigate._bindToTab(this);
     this.onCompleted = ext.tabs.onCompleted._bindToTab(this);
     this.onActivated = ext.tabs.onActivated._bindToTab(this);
     this.onRemoved = ext.tabs.onRemoved._bindToTab(this);
   };
   Tab.prototype = {
-    close: function() {
+    close: function()
+    {
       chrome.tabs.remove(this._id);
     },
-    activate: function() {
+    activate: function()
+    {
       chrome.tabs.update(this._id, {selected: true});
     },
-    sendMessage: function(message, responseCallback) {
+    sendMessage: function(message, responseCallback)
+    {
       chrome.tabs.sendMessage(this._id, message, responseCallback);
     }
   };
 
-  TabMap = function() {
+  TabMap = function()
+  {
     this._map = {};
     this.delete = this.delete.bind(this);
   };
   TabMap.prototype = {
-    get: function(tab) {
+    get: function(tab)
+    {
       return (this._map[tab._id] || {}).value;
     },
-    set: function(tab, value) {
+    set: function(tab, value)
+    {
       if (!(tab._id in this._map))
         tab.onRemoved.addListener(this.delete);
 
       this._map[tab._id] = {tab: tab, value: value};
     },
-    has: function(tab) {
+    has: function(tab)
+    {
       return tab._id in this._map;
     },
-    clear: function() {
+    clear: function()
+    {
       for (var id in this._map)
         this.delete(this._map[id].tab);
     }
   };
-  TabMap.prototype["delete"] = function(tab) {
+  TabMap.prototype["delete"] = function(tab)
+  {
     delete this._map[tab._id];
     tab.onRemoved.removeListener(this.delete);
   };
 
 
   /* Windows */
 
-  Window = function(win) {
+  Window = function(win)
+  {
     this._id = win.id;
     this.visible = win.status != "minimized";
   };
   Window.prototype = {
-    getAllTabs: function(callback) {
-      chrome.tabs.query({windowId: this._id}, function(tabs) {
-        callback(tabs.map(function(tab) {
-          return new Tab(tab);
-        }));
+    getAllTabs: function(callback)
+    {
+      chrome.tabs.query({windowId: this._id}, function(tabs)
+      {
+        callback(tabs.map(function(tab) { return new Tab(tab); }));
       });
     },
-    getActiveTab: function(callback) {
-      chrome.tabs.query({windowId: this._id, active: true}, function(tabs) {
+    getActiveTab: function(callback)
+    {
+      chrome.tabs.query({windowId: this._id, active: true}, function(tabs)
+      {
         callback(new Tab(tabs[0]));
       });
     },
-    openTab: function(url, callback) {
+    openTab: function(url, callback)
+    {
       var props = {windowId: this._id, url: url};
 
       if (!callback)
         chrome.tabs.create(props);
       else
-        chrome.tabs.create(props, function(tab) {
+        chrome.tabs.create(props, function(tab)
+        {
           callback(new Tab(tab));
         });
     }
   };
 
-  
+
   /* API */
 
   ext.windows = {
-    getAll: function(callback) {
-      chrome.windows.getAll(function(windows) {
-        callback(windows.map(function(win) {
+    getAll: function(callback)
+    {
+      chrome.windows.getAll(function(windows)
+      {
+        callback(windows.map(function(win)
+        {
           return new Window(win);
         }));
       });
     },
-    getLastFocused: function(callback) {
-      chrome.windows.getLastFocused(function(win) {
+    getLastFocused: function(callback)
+    {
+      chrome.windows.getLastFocused(function(win)
+      {
         callback(new Window(win));
       });
     }
   };
 
   ext.tabs = {
     onBeforeNavigate: new BeforeNavigateTabEventTarget(),
     onCompleted: new CompletedTabEventTarget(),
     onActivated: new ActivatedTabEventTarget(),
     onRemoved: new RemovedTabEventTarget()
   };
 
   ext.webRequest = {
     onBeforeRequest: new BeforeRequestEventTarget(),
     handlerBehaviorChanged: chrome.webRequest.handlerBehaviorChanged
   };
 })();