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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 EXPORTED_SYMBOLS = [
"EventDispatcher",
"MarionetteEventsParent",
"registerEventsActor",
"unregisterEventsActor",
];
const { XPCOMUtils } = ChromeUtils.import(
"resource://gre/modules/XPCOMUtils.jsm"
);
XPCOMUtils.defineLazyModuleGetters(this, {
EventEmitter: "resource://gre/modules/EventEmitter.jsm",
Log: "chrome://marionette/content/log.js",
});
XPCOMUtils.defineLazyGetter(this, "logger", () => Log.get());
// Singleton to allow forwarding events to registered listeners.
const EventDispatcher = {
init() {
EventEmitter.decorate(this);
},
};
EventDispatcher.init();
class MarionetteEventsParent extends JSWindowActorParent {
async receiveMessage(msg) {
const { name, data } = msg;
let rv;
switch (name) {
case "MarionetteEventsChild:PageLoadEvent":
EventDispatcher.emit("page-load", data);
break;
}
return rv;
}
}
/**
* Register Events actors to listen for page load events via EventDispatcher.
*/
function registerEventsActor() {
try {
// Register the JSWindowActor pair for events as used by Marionette
ChromeUtils.registerWindowActor("MarionetteEvents", {
kind: "JSWindowActor",
parent: {
moduleURI:
"chrome://marionette/content/actors/MarionetteEventsParent.jsm",
},
child: {
moduleURI:
"chrome://marionette/content/actors/MarionetteEventsChild.jsm",
events: {
beforeunload: { capture: true },
DOMContentLoaded: { mozSystemGroup: true },
hashchange: { mozSystemGroup: true },
pagehide: { mozSystemGroup: true },
pageshow: { mozSystemGroup: true },
// popstate doesn't bubble, as such use capturing phase
popstate: { capture: true, mozSystemGroup: true },
click: {},
dblclick: {},
unload: { capture: true },
},
},
allFrames: true,
includeChrome: true,
});
} catch (e) {
if (e.name === "NotSupportedError") {
logger.warn(`MarionetteEvents actor is already registered!`);
} else {
throw e;
}
}
}
function unregisterEventsActor() {
ChromeUtils.unregisterWindowActor("MarionetteEvents");
}
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