gecko/browser/devtools/scratchpad/scratchpad-panel.js

57 lines
1.5 KiB
JavaScript

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