gecko-dev/browser/devtools/timeline/panel.js

66 lines
1.8 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 { Cc, Ci, Cu, Cr } = require("chrome");
Cu.import("resource://gre/modules/Task.jsm");
loader.lazyRequireGetter(this, "promise");
loader.lazyRequireGetter(this, "EventEmitter",
"devtools/toolkit/event-emitter");
loader.lazyRequireGetter(this, "TimelineFront",
"devtools/server/actors/timeline", true);
function TimelinePanel(iframeWindow, toolbox) {
this.panelWin = iframeWindow;
this._toolbox = toolbox;
EventEmitter.decorate(this);
};
exports.TimelinePanel = TimelinePanel;
TimelinePanel.prototype = {
/**
* Open is effectively an asynchronous constructor.
*
* @return object
* A promise that is resolved when the timeline completes opening.
*/
open: Task.async(function*() {
// Local debugging needs to make the target remote.
yield this.target.makeRemote();
this.panelWin.gToolbox = this._toolbox;
this.panelWin.gTarget = this.target;
this.panelWin.gFront = new TimelineFront(this.target.client, this.target.form);
yield this.panelWin.startupTimeline();
this.isReady = true;
this.emit("ready");
return this;
}),
// DevToolPanel API
get target() this._toolbox.target,
destroy: Task.async(function*() {
// Make sure this panel is not already destroyed.
if (this._destroyed) {
return;
}
yield this.panelWin.shutdownTimeline();
// Destroy front to ensure packet handler is removed from client
this.panelWin.gFront.destroy();
this.emit("destroyed");
this._destroyed = true;
})
};