browser/devtools/scratchpad/scratchpad-panel.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/browser/devtools/scratchpad/scratchpad-panel.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,56 @@
     1.4 +/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +"use strict";
    1.10 +
    1.11 +const {Cu} = require("chrome");
    1.12 +const EventEmitter = require("devtools/toolkit/event-emitter");
    1.13 +const {Promise: promise} = Cu.import("resource://gre/modules/Promise.jsm", {});
    1.14 +
    1.15 +
    1.16 +function ScratchpadPanel(iframeWindow, toolbox) {
    1.17 +  let { Scratchpad } = iframeWindow;
    1.18 +  this._toolbox = toolbox;
    1.19 +  this.panelWin = iframeWindow;
    1.20 +  this.scratchpad = Scratchpad;
    1.21 +
    1.22 +  Scratchpad.target = this.target;
    1.23 +  Scratchpad.hideMenu();
    1.24 +
    1.25 +  let deferred = promise.defer();
    1.26 +  this._readyObserver = deferred.promise;
    1.27 +  Scratchpad.addObserver({
    1.28 +    onReady: function() {
    1.29 +      Scratchpad.removeObserver(this);
    1.30 +      deferred.resolve();
    1.31 +    }
    1.32 +  });
    1.33 +
    1.34 +  EventEmitter.decorate(this);
    1.35 +}
    1.36 +exports.ScratchpadPanel = ScratchpadPanel;
    1.37 +
    1.38 +ScratchpadPanel.prototype = {
    1.39 +  /**
    1.40 +   * Open is effectively an asynchronous constructor. For the ScratchpadPanel,
    1.41 +   * by the time this is called, the Scratchpad will already be ready.
    1.42 +   */
    1.43 +  open: function() {
    1.44 +    return this._readyObserver.then(() => {
    1.45 +      this.isReady = true;
    1.46 +      this.emit("ready");
    1.47 +      return this;
    1.48 +    });
    1.49 +  },
    1.50 +
    1.51 +  get target() {
    1.52 +    return this._toolbox.target;
    1.53 +  },
    1.54 +
    1.55 +  destroy: function() {
    1.56 +    this.emit("destroyed");
    1.57 +    return promise.resolve();
    1.58 +  }
    1.59 +};

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