gecko-dev/devtools/client/scratchpad/panel.js
2018-10-19 12:55:39 +00:00

54 lines
1.3 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 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 EventEmitter = require("devtools/shared/event-emitter");
function ScratchpadPanel(iframeWindow, toolbox) {
const { Scratchpad } = iframeWindow;
this._toolbox = toolbox;
this.panelWin = iframeWindow;
this.scratchpad = Scratchpad;
Scratchpad.target = this.target;
Scratchpad.hideMenu();
this._readyObserver = new Promise(resolve => {
Scratchpad.addObserver({
onReady() {
Scratchpad.removeObserver(this);
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() {
return this._readyObserver.then(() => {
this.isReady = true;
this.emit("ready");
return this;
});
},
get target() {
return this._toolbox.target;
},
destroy() {
this.emit("destroyed");
return Promise.resolve();
},
};