michael@0: /* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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: "use strict";
michael@0: 
michael@0: const {Cu} = require("chrome");
michael@0: const EventEmitter = require("devtools/toolkit/event-emitter");
michael@0: const {Promise: promise} = Cu.import("resource://gre/modules/Promise.jsm", {});
michael@0: 
michael@0: 
michael@0: function ScratchpadPanel(iframeWindow, toolbox) {
michael@0:   let { Scratchpad } = iframeWindow;
michael@0:   this._toolbox = toolbox;
michael@0:   this.panelWin = iframeWindow;
michael@0:   this.scratchpad = Scratchpad;
michael@0: 
michael@0:   Scratchpad.target = this.target;
michael@0:   Scratchpad.hideMenu();
michael@0: 
michael@0:   let deferred = promise.defer();
michael@0:   this._readyObserver = deferred.promise;
michael@0:   Scratchpad.addObserver({
michael@0:     onReady: function() {
michael@0:       Scratchpad.removeObserver(this);
michael@0:       deferred.resolve();
michael@0:     }
michael@0:   });
michael@0: 
michael@0:   EventEmitter.decorate(this);
michael@0: }
michael@0: exports.ScratchpadPanel = ScratchpadPanel;
michael@0: 
michael@0: ScratchpadPanel.prototype = {
michael@0:   /**
michael@0:    * Open is effectively an asynchronous constructor. For the ScratchpadPanel,
michael@0:    * by the time this is called, the Scratchpad will already be ready.
michael@0:    */
michael@0:   open: function() {
michael@0:     return this._readyObserver.then(() => {
michael@0:       this.isReady = true;
michael@0:       this.emit("ready");
michael@0:       return this;
michael@0:     });
michael@0:   },
michael@0: 
michael@0:   get target() {
michael@0:     return this._toolbox.target;
michael@0:   },
michael@0: 
michael@0:   destroy: function() {
michael@0:     this.emit("destroyed");
michael@0:     return promise.resolve();
michael@0:   }
michael@0: };