gecko/browser/devtools/netmonitor/panel.js

72 lines
2.1 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 { Cc, Ci, Cu, Cr } = require("chrome");
const { Promise: promise } = Cu.import("resource://gre/modules/Promise.jsm", {});
const EventEmitter = require("devtools/toolkit/event-emitter");
const { DevToolsUtils } = Cu.import("resource://gre/modules/devtools/DevToolsUtils.jsm", {});
function NetMonitorPanel(iframeWindow, toolbox) {
this.panelWin = iframeWindow;
this._toolbox = toolbox;
this._destroyer = null;
this._view = this.panelWin.NetMonitorView;
this._controller = this.panelWin.NetMonitorController;
this._controller._target = this.target;
EventEmitter.decorate(this);
};
exports.NetMonitorPanel = NetMonitorPanel;
NetMonitorPanel.prototype = {
/**
* Open is effectively an asynchronous constructor.
*
* @return object
* A promise that is resolved when the NetMonitor completes opening.
*/
open: function() {
let targetPromise;
// Local monitoring needs to make the target remote.
if (!this.target.isRemote) {
targetPromise = this.target.makeRemote();
} else {
targetPromise = promise.resolve(this.target);
}
return targetPromise
.then(() => this._controller.startupNetMonitor())
.then(() => this._controller.connect())
.then(() => {
this.isReady = true;
this.emit("ready");
return this;
})
.then(null, function onError(aReason) {
DevToolsUtils.reportException("NetMonitorPanel.prototype.open", aReason);
});
},
// DevToolPanel API
get target() this._toolbox.target,
destroy: function() {
// Make sure this panel is not already destroyed.
if (this._destroyer) {
return this._destroyer;
}
return this._destroyer = this._controller.shutdownNetMonitor().then(() => {
this.emit("destroyed");
});
}
};