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/* 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 Services = require("Services");
loader.lazyRequireGetter(this, "HarAutomation", "devtools/client/netmonitor/har/har-automation", true);
// Map of all created overlays. There is always one instance of
// an overlay per Toolbox instance (i.e. one per browser tab).
const overlays = new WeakMap();
/**
* This object is responsible for initialization and cleanup for HAR
* export feature. It represents an overlay for the Toolbox
* following the same life time by listening to its events.
*
* HAR APIs are designed for integration with tools (such as Selenium)
* that automates the browser. Primarily, it is for automating web apps
* and getting HAR file for every loaded page.
*/
function ToolboxOverlay(toolbox) {
this.toolbox = toolbox;
this.onInit = this.onInit.bind(this);
this.onDestroy = this.onDestroy.bind(this);
this.toolbox.on("ready", this.onInit);
this.toolbox.on("destroy", this.onDestroy);
}
ToolboxOverlay.prototype = {
/**
* Executed when the toolbox is ready.
*/
onInit: function () {
let autoExport = Services.prefs.getBoolPref(
"devtools.netmonitor.har.enableAutoExportToFile");
if (!autoExport) {
return;
}
this.initAutomation();
},
/**
* Executed when the toolbox is destroyed.
*/
onDestroy: function (eventId, toolbox) {
this.destroyAutomation();
},
// Automation
initAutomation: function () {
this.automation = new HarAutomation(this.toolbox);
},
destroyAutomation: function () {
if (this.automation) {
this.automation.destroy();
}
},
};
// Registration
function register(toolbox) {
if (overlays.has(toolbox)) {
throw Error("There is an existing overlay for the toolbox");
}
// Instantiate an overlay for the toolbox.
let overlay = new ToolboxOverlay(toolbox);
overlays.set(toolbox, overlay);
}
function get(toolbox) {
return overlays.get(toolbox);
}
// Exports from this module
exports.register = register;
exports.get = get;
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