gecko-dev/toolkit/actors/TestChild.jsm

66 строки
1.5 KiB
JavaScript

/* vim: set ts=2 sw=2 sts=2 et 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 { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
var EXPORTED_SYMBOLS = ["TestChild"];
class TestChild extends JSWindowActorChild {
constructor() {
super();
}
receiveMessage(aMessage) {
switch (aMessage.name) {
case "toChild":
aMessage.data.toChild = true;
this.sendAsyncMessage("toParent", aMessage.data);
break;
case "asyncAdd":
let { a, b } = aMessage.data;
return new Promise(resolve => {
resolve({ result: a + b });
});
case "done":
this.done(aMessage.data);
break;
}
return undefined;
}
handleEvent(aEvent) {
this.sendAsyncMessage("event", { type: aEvent.type });
}
observe(subject, topic, data) {
switch (topic) {
case "audio-playback":
this.done({ subject, topic, data });
break;
default:
this.lastObserved = { subject, topic, data };
break;
}
}
show() {
return "TestChild";
}
willDestroy() {
Services.obs.notifyObservers(
this,
"test-js-window-actor-willdestroy",
true
);
}
didDestroy() {
Services.obs.notifyObservers(this, "test-js-window-actor-diddestroy", true);
}
}