michael@0: // -*- Mode: javascript; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0: // This Source Code Form is subject to the terms of the Mozilla Public
michael@0: // License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0: // file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0: 
michael@0: this.EXPORTED_SYMBOLS = ["RemoteController"];
michael@0: 
michael@0: const Ci = Components.interfaces;
michael@0: const Cc = Components.classes;
michael@0: const Cu = Components.utils;
michael@0: 
michael@0: Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: 
michael@0: function RemoteController(browser)
michael@0: {
michael@0:   this._browser = browser;
michael@0: }
michael@0: 
michael@0: RemoteController.prototype = {
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsIController]),
michael@0: 
michael@0:   isCommandEnabled: function(aCommand) {
michael@0:     // We can't synchronously ask content if a command is enabled,
michael@0:     // so we always pretend is.
michael@0:     // The right way forward would be to never use nsIController
michael@0:     // to ask if something in content is enabled. Maybe even
michael@0:     // by replacing the nsIController architecture by something else.
michael@0:     // See bug 905768.
michael@0:     return true;
michael@0:   },
michael@0: 
michael@0:   supportsCommand: function(aCommand) {
michael@0:     // Optimize the lookup a bit.
michael@0:     if (!aCommand.startsWith("cmd_"))
michael@0:       return false;
michael@0: 
michael@0:     // For now only support the commands used in "browser-context.inc"
michael@0:     let commands = [
michael@0:       "cmd_copyLink",
michael@0:       "cmd_copyImage",
michael@0:       "cmd_undo",
michael@0:       "cmd_cut",
michael@0:       "cmd_copy",
michael@0:       "cmd_paste",
michael@0:       "cmd_delete",
michael@0:       "cmd_selectAll",
michael@0:       "cmd_switchTextDirection"
michael@0:     ];
michael@0: 
michael@0:     return commands.indexOf(aCommand) >= 0;
michael@0:   },
michael@0: 
michael@0:   doCommand: function(aCommand) {
michael@0:     this._browser.messageManager.sendAsyncMessage("ControllerCommands:Do", aCommand);
michael@0:   },
michael@0: 
michael@0:   onEvent: function () {}
michael@0: };