gecko-dev/toolkit/modules/RemoteController.jsm

59 lines
1.6 KiB
JavaScript

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