third_party/WebKit/LayoutTests/gamepad/page-visibility.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../resources/js-test.js"></script>
   5 <script>
   6 description("Tests that gamepad events are not fired when page is hidden but kept as pending and fired when the page becomes visible again.");
   7 window.jsTestIsAsync = true;
   8
   9 var listeners;
  10 function addListener(eventName, handler) {
  11     if (!listeners)
  12         listeners = new Array();
  13     listeners.push({name: eventName, handler: handler});
  14     window.addEventListener(eventName, handler);
  15 }
  16 function removeListeners() {
  17     if (!listeners)
  18         return;
  19     listeners.forEach(function (l) {
  20         window.removeEventListener(l.name, l.handler);
  21     });
  22 }
  23
  24 function finishSoon() {
  25     setTimeout(finishJSTest, 50);
  26 }
  27
  28 var eventCounter = 0;
  29 var expectations = [
  30     { index: 0, connected: false, check: null },
  31     { index: 1, connected: false, check:
  32         function(event) {
  33             shouldBeEqualToString('event.gamepad.id', "old");
  34         }
  35     },
  36     { index: 1, connected: true, check:
  37         function(event) {
  38             shouldBeEqualToString('event.gamepad.id', "new");
  39         }
  40     },
  41     { index: 2, connected: true, check: null }
  42 ];
  43 var expected;
  44
  45 function allTestsCompleted() {
  46     return eventCounter == expectations.length;
  47 }
  48
  49 function testWithPageVisibleAgain() {
  50     shouldBeEqualToString('document.visibilityState', 'hidden');
  51     removeListeners();
  52
  53     window.addEventListener('gamepadconnected', function(event) {
  54         shouldBeTrue('eventCounter < expectations.length');
  55         expected = expectations[eventCounter++];
  56         shouldBeEqualToNumber('event.gamepad.index', expected.index);
  57         shouldBeTrue('expected.connected');
  58         shouldBeTrue('event.gamepad.connected');
  59         if (expected.check)
  60             expected.check(event);
  61
  62         if (allTestsCompleted())
  63             finishSoon(); // Give some time to fail if unexpecteds events are coming.
  64     });
  65     window.addEventListener('gamepaddisconnected', function(event) {
  66         shouldBeTrue('eventCounter < expectations.length');
  67         expected = expectations[eventCounter++];
  68         shouldBeEqualToNumber('event.gamepad.index', expected.index);
  69         shouldBeFalse('expected.connected');
  70         shouldBeFalse('event.gamepad.connected');
  71         if (expected.check)
  72             expected.check(event);
  73
  74         if (allTestsCompleted())
  75             finishSoon(); // Give some time to fail if unexpecteds events are coming.
  76     });
  77
  78     testRunner.setPageVisibility('visible');
  79 }
  80
  81 function testWithPageHidden() {
  82     testRunner.setPageVisibility('hidden');
  83     var shouldNotReceive = function() {
  84         testFailed('Should not have received gamepad events while the page was hidden');
  85         finishJSTest();
  86     };
  87     addListener('gamepadconnected', shouldNotReceive);
  88     addListener('gamepaddisconnected', shouldNotReceive);
  89
  90     gamepadController.disconnect(0);
  91
  92     // Both the disconnection and the connection should be dispatched.
  93     gamepadController.disconnect(1);
  94     gamepadController.setId(1, "new");
  95     gamepadController.connect(1);
  96     gamepadController.dispatchConnected(1);
  97
  98     // These should be suppressed.
  99     gamepadController.connect(2);
 100     gamepadController.dispatchConnected(2);
 101     gamepadController.disconnect(2);
 102
 103     gamepadController.connect(2);
 104     gamepadController.dispatchConnected(2);
 105
 106     setTimeout(testWithPageVisibleAgain, 0);
 107 }
 108
 109 if (!window.testRunner || !window.gamepadController) {
 110     debug("This test cannot work without testRunner and gamepadController.");
 111 }
 112
 113 addListener('gamepadconnected', function() {
 114     testPassed("Received a gamepadconnected event");
 115     shouldBeEqualToNumber('event.gamepad.index', 0);
 116     removeListeners();
 117     setTimeout(testWithPageHidden, 0);
 118 });
 119
 120 gamepadController.connect(0);
 121 gamepadController.dispatchConnected(0);
 122 gamepadController.setId(1, "old");
 123 gamepadController.connect(1);
 124 gamepadController.dispatchConnected(1);
 125
 126 </script>
 127 </html>