third_party/WebKit/LayoutTests/fast/dom/DeviceLight/page-visibility.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../../../resources/js-test.js"></script>
   5 <script>
   6
   7 description('Tests to check that devicelight events are not fired when the page is not visible.');
   8 window.jsTestIsAsync = true;
   9
  10 function succeedAndFinish()
  11 {
  12     testPassed("Received a devicelight event");
  13     setTimeout(finishJSTest, 0);
  14 }
  15
  16 function testWithPageVisible()
  17 {
  18     testPassed("Did not receive a devicelight event");
  19     window.removeEventListener('devicelight', failAndFinish);
  20     testRunner.setPageVisibility("visible");
  21     debug("* Page is visible");
  22     window.addEventListener('devicelight', succeedAndFinish);
  23 }
  24
  25 function failAndFinish()
  26 {
  27     testFailed('Should not have received a devicelight event while the page was hidden');
  28     setTimeout(finishJSTest, 0);
  29 }
  30
  31 function deviceLightListener(event)
  32 {
  33     testPassed("Received a devicelight event");
  34     window.removeEventListener('devicelight', deviceLightListener);
  35     testRunner.setPageVisibility("hidden");
  36     debug("* Page is hidden");
  37     window.addEventListener('devicelight', failAndFinish);
  38
  39     setTimeout(testWithPageVisible, 0);
  40 }
  41
  42 if (window.testRunner)
  43     testRunner.setMockDeviceLight(100);
  44 else
  45     debug('This test can not be run without the TestRunner');
  46
  47 debug("* Page is visible");
  48 window.addEventListener('devicelight', deviceLightListener);
  49 </script>
  50 </body>
  51 </html>