The Tor Browser: dom/power/test/browser_wakelocks.js@6474c204b198 (annotated)

dom/power/test/browser_wakelocks.js@6474c204b198 (annotated)

dom/power/test/browser_wakelocks.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* 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";
 waitForExplicitFinish();
 let kUrlSource = "http://mochi.test:8888/";
 let kDataSource = "data:text/html,";
 let gOldPref;
 let gWin, gWin1, gWin2;
 let gTab, gTab1, gTab2;
 let gLock, gLock1, gLock2;
 let gCurStepIndex = -1;
 let gSteps = [
   function basicWakeLock() {
     gTab = gBrowser.addTab(kUrlSource);
     gWin = gBrowser.getBrowserForTab(gTab).contentWindow;
     let browser = gBrowser.getBrowserForTab(gTab);
     browser.addEventListener("load", function onLoad(e) {
       browser.removeEventListener("load", onLoad, true);
       let nav = gWin.navigator;
       let power = nav.mozPower;
       gLock = nav.requestWakeLock("test");
       ok(gLock != null,
          "navigator.requestWakeLock should return a wake lock");
       is(gLock.topic, "test",
          "wake lock should remember the locked topic");
       isnot(power.getWakeLockState("test"), "unlocked",
             "topic is locked");
       gLock.unlock();
       is(gLock.topic, "test",
          "wake lock should remember the locked topic even after unlock");
       is(power.getWakeLockState("test"), "unlocked",
          "topic is unlocked");
       try {
         gLock.unlock();
         ok(false, "Should have thrown an error.");
       } catch (e) {
         is(e.name, "InvalidStateError", "double unlock should throw InvalidStateError");
         is(e.code, DOMException.INVALID_STATE_ERR, "double unlock should throw InvalidStateError");
       }
       gBrowser.removeTab(gTab);
       executeSoon(runNextStep);
     }, true);
   },
   function multiWakeLock() {
     gTab = gBrowser.addTab(kUrlSource);
     gWin = gBrowser.getBrowserForTab(gTab).contentWindow;
     let browser = gBrowser.getBrowserForTab(gTab);
     browser.addEventListener("load", function onLoad(e) {
       browser.removeEventListener("load", onLoad, true);
       let nav = gWin.navigator;
       let power = nav.mozPower;
       let count = 0;
       power.addWakeLockListener(function onWakeLockEvent(topic, state) {
         is(topic, "test", "gLock topic is test");
         ok(state == "unlocked" ||
            state == "locked-foreground" ||
            state == "locked-background",
            "wake lock should be either locked or unlocked");
         count++;
         if (state == "locked-foreground" ||
             state == "locked-background") {
           is(count, 1,
              "wake lock should be locked and the listener should only fire once");
         }
         if (state == "unlocked") {
           is(count, 2,
              "wake lock should be unlocked and the listener should only fire once");
           ok(power.getWakeLockState("test") == "unlocked",
              "topic is unlocked");
           power.removeWakeLockListener(onWakeLockEvent);
           gBrowser.removeTab(gTab);
           executeSoon(runNextStep);
         }
       });
       gLock1 = nav.requestWakeLock("test");
       isnot(power.getWakeLockState("test"), "unlocked",
             "topic is locked");
       gLock2 = nav.requestWakeLock("test");
       isnot(power.getWakeLockState("test"), "unlocked",
             "topic is locked");
       gLock1.unlock();
       isnot(power.getWakeLockState("test"), "unlocked",
             "topic is locked");
       gLock2.unlock();
     }, true);
   },
   function crossTabWakeLock1() {
     gTab1 = gBrowser.addTab(kUrlSource);
     gWin1 = gBrowser.getBrowserForTab(gTab1).contentWindow;
     gTab2 = gBrowser.addTab(kUrlSource);
     gWin2 = gBrowser.getBrowserForTab(gTab2).contentWindow;
     gBrowser.selectedTab = gTab1;
     let browser = gBrowser.getBrowserForTab(gTab2);
     browser.addEventListener("load", function onLoad(e) {
       browser.removeEventListener("load", onLoad, true);
       gLock2 = gWin2.navigator.requestWakeLock("test");
       is(gWin2.document.hidden, true,
          "window is background")
       is(gWin2.navigator.mozPower.getWakeLockState("test"), "locked-background",
          "wake lock is background");
       let doc2 = gWin2.document;
       doc2.addEventListener("visibilitychange", function onVisibilityChange(e) {
         if (!doc2.hidden) {
           doc2.removeEventListener("visibilitychange", onVisibilityChange);
           executeSoon(runNextStep);
         }
       });
       gBrowser.selectedTab = gTab2;
     }, true);
   },
   function crossTabWakeLock2() {
     is(gWin2.document.hidden, false,
        "window is foreground")
     is(gWin2.navigator.mozPower.getWakeLockState("test"), "locked-foreground",
       "wake lock is foreground");
     gWin2.addEventListener("pagehide", function onPageHide(e) {
       gWin2.removeEventListener("pagehide", onPageHide, true);
       executeSoon(runNextStep);
     }, true);
     gWin2.addEventListener("pageshow", function onPageShow(e) {
       gWin2.removeEventListener("pageshow", onPageShow, true);
       executeSoon(runNextStep);
     }, true);
     gWin2.location = kDataSource;
   },
   function crossTabWakeLock3() {
     is(gWin1.navigator.mozPower.getWakeLockState("test"), "unlocked",
        "wake lock should auto-unlock when page is unloaded");
     gWin2.back();
     // runNextStep called in onPageShow
   },
   function crossTabWakeLock4() {
     is(gWin1.navigator.mozPower.getWakeLockState("test"), "locked-foreground",
        "wake lock should auto-reacquire when page is available again");
     gBrowser.selectedTab = gTab1;
     executeSoon(runNextStep);
   },
   function crossTabWakeLock5() {
     // Test again in background tab
     is(gWin2.document.hidden, true,
        "window is background")
     is(gWin2.navigator.mozPower.getWakeLockState("test"), "locked-background",
       "wake lock is background");
     gWin2.addEventListener("pagehide", function onPageHide(e) {
       gWin2.removeEventListener("pagehide", onPageHide, true);
       executeSoon(runNextStep);
     }, true);
     gWin2.addEventListener("pageshow", function onPageShow(e) {
       gWin2.removeEventListener("pageshow", onPageShow, true);
       executeSoon(runNextStep);
     }, true);
     gWin2.location = kDataSource;
   },
   function crossTabWakeLock6() {
     is(gWin1.navigator.mozPower.getWakeLockState("test"), "unlocked",
        "wake lock should auto-unlock when page is unloaded");
     gWin2.back();
     // runNextStep called in onPageShow
   },
   function crossTabWakeLock7() {
     is(gWin1.navigator.mozPower.getWakeLockState("test"), "locked-background",
        "wake lock should auto-reacquire when page is available again");
     gLock2.unlock();
     gBrowser.selectedTab = gTab2;
     executeSoon(runNextStep);
   },
   function crossTabWakeLock8() {
     is(gWin1.document.hidden, true,
        "gWin1 is background");
     is(gWin2.document.hidden, false,
        "gWin2 is foreground");
     gLock1 = gWin1.navigator.requestWakeLock("test");
     gLock2 = gWin2.navigator.requestWakeLock("test");
     is(gWin1.navigator.mozPower.getWakeLockState("test"), "locked-foreground",
        "topic is locked-foreground when one page is foreground and one is background");
     gLock2.unlock();
     is(gWin1.navigator.mozPower.getWakeLockState("test"), "locked-background",
        "topic is locked-background when all locks are background");
     gLock2 = gWin2.navigator.requestWakeLock("test");
     is(gWin1.navigator.mozPower.getWakeLockState("test"), "locked-foreground",
        "topic is locked-foreground when one page is foreground and one is background");
     gLock1.unlock();
     is(gWin1.navigator.mozPower.getWakeLockState("test"), "locked-foreground",
        "topic is locked-foreground");
     gBrowser.removeTab(gTab1);
     gBrowser.removeTab(gTab2);
     executeSoon(runNextStep);
   },
 ];
 function runNextStep() {
   gCurStepIndex++;
   if (gCurStepIndex < gSteps.length) {
     gSteps[gCurStepIndex]();
   } else {
     finish();
   }
 }
 function test() {
   SpecialPowers.pushPermissions([
     {type: "power", allow: true, context: kUrlSource}
   ], function () {
     SpecialPowers.pushPrefEnv({"set": [["dom.wakelock.enabled", true]]},
                               runNextStep);
   });
 }