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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Sample for browser_AddonWatcher.js
"use strict";
const {utils: Cu, classes: Cc, interfaces: Ci} = Components;
const TOPIC_BURNCPU = "test-addonwatcher-burn-some-cpu";
const TOPIC_BURNCPOW = "test-addonwatcher-burn-some-cpow";
const TOPIC_BURNCONTENTCPU = "test-addonwatcher-burn-some-content-cpu";
const TOPIC_READY = "test-addonwatcher-ready";
const MESSAGE_BURNCPOW = "test-addonwatcher-cpow:init";
const URL_FRAMESCRIPT = "chrome://addonwatcher-test/content/framescript.js";
Cu.import("resource://gre/modules/Services.jsm", this);
const { setTimeout } = Cu.import("resource://gre/modules/Timer.jsm", {});
Cu.import("resource://gre/modules/Task.jsm", this);
let globalMM = Cc["@mozilla.org/globalmessagemanager;1"]
.getService(Ci.nsIMessageListenerManager);
/**
* Spend some time using CPU.
*/
function burnCPU() {
let ignored = [];
let start = Date.now();
let i = 0;
while (Date.now() - start < 1000) {
ignored[i++ % 2] = i;
}
}
/**
* Spend some time in CPOW.
*/
function burnCPOW() {
gBurnCPOW();
}
let gBurnCPOW = null;
function burnContentCPU() {
setTimeout(() => { try {
gBurnContentCPU()
} catch (ex) {
dump(`test-addon error: ${ex}\n`);
} }, 0);
}
let gBurnContentCPU = null;
let gTab = null;
let gTabBrowser = null;
function startup() {
Services.obs.addObserver(burnCPU, TOPIC_BURNCPU, false);
Services.obs.addObserver(burnCPOW, TOPIC_BURNCPOW, false);
Services.obs.addObserver(burnContentCPU, TOPIC_BURNCONTENTCPU, false);
let windows = Services.wm.getEnumerator("navigator:browser");
let win = windows.getNext();
gTabBrowser = win.gBrowser;
gTab = gTabBrowser.addTab("about:robots");
gBurnContentCPU = function() {
gTab.linkedBrowser.messageManager.sendAsyncMessage("test-addonwatcher-burn-some-content-cpu", {});
}
gTab.linkedBrowser.messageManager.loadFrameScript(URL_FRAMESCRIPT, false);
globalMM.loadFrameScript(URL_FRAMESCRIPT, false);
if (Services.appinfo.browserTabsRemoteAutostart) {
// This profile has e10s enabled, which means we'll want to
// test CPOW traffic.
globalMM.addMessageListener("test-addonwatcher-cpow:init", function waitForCPOW(msg) {
if (Components.utils.isCrossProcessWrapper(msg.objects.burnCPOW)) {
gBurnCPOW = msg.objects.burnCPOW;
globalMM.removeMessageListener("test-addonwatcher-cpow:init", waitForCPOW);
Services.obs.notifyObservers(null, TOPIC_READY, null);
} else {
Cu.reportError("test-addonwatcher-cpow:init didn't give us a CPOW! Expect timeouts.");
}
});
} else {
// e10s is not enabled, so a CPOW is not necessary - we can report ready
// right away.
Services.obs.notifyObservers(null, TOPIC_READY, null);
}
}
function shutdown() {
Services.obs.removeObserver(burnCPU, TOPIC_BURNCPU);
Services.obs.removeObserver(burnCPOW, TOPIC_BURNCPOW);
Services.obs.removeObserver(burnContentCPU, TOPIC_BURNCONTENTCPU);
gTabBrowser.removeTab(gTab);
}
function install() {
// Nothing to do
}
function uninstall() {
// Nothing to do
}
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