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| (Empty) | |
| 1 <html> |
| 2 <head> |
| 3 <script src="../../../resources/js-test.js"></script> |
| 4 </head> |
| 5 <body> |
| 6 <script> |
| 7 |
| 8 description('Tests using multiple event handlers for the Device Orientation API.
'); |
| 9 |
| 10 var mockEvent; |
| 11 var expectedEvent; |
| 12 function setMockOrientation(alpha, beta, gamma, absolute) { |
| 13 mockEvent = {alpha: alpha, beta: beta, gamma: gamma, absolute: absolute}; |
| 14 if (window.testRunner) |
| 15 testRunner.setMockDeviceOrientation( |
| 16 true, mockEvent.alpha, true, mockEvent.beta, true, mockEvent.gamma,
true, mockEvent.absolute); |
| 17 else |
| 18 debug('This test can not be run without the TestRunner'); |
| 19 } |
| 20 |
| 21 var deviceOrientationEvent; |
| 22 function checkOrientation(event) { |
| 23 deviceOrientationEvent = event; |
| 24 shouldBe('deviceOrientationEvent.alpha', 'expectedEvent.alpha'); |
| 25 shouldBe('deviceOrientationEvent.beta', 'expectedEvent.beta'); |
| 26 shouldBe('deviceOrientationEvent.gamma', 'expectedEvent.gamma'); |
| 27 shouldBe('deviceOrientationEvent.absolute', 'expectedEvent.absolute'); |
| 28 } |
| 29 |
| 30 var counter = 0; |
| 31 function firstListener(event) { |
| 32 checkOrientation(event); |
| 33 counter++; |
| 34 proceedIfNecessary(); |
| 35 } |
| 36 |
| 37 function secondListener(event) { |
| 38 checkOrientation(event); |
| 39 counter++; |
| 40 proceedIfNecessary(); |
| 41 } |
| 42 |
| 43 function proceedIfNecessary() { |
| 44 if (counter == 2) { |
| 45 setMockOrientation(11, 12, 13, true); |
| 46 // Note: this should not stop Device Orientation updates, |
| 47 // because there is still one listener active. |
| 48 window.removeEventListener('deviceorientation', secondListener); |
| 49 setTimeout(function(){initThirdListener();}, 0); |
| 50 } |
| 51 } |
| 52 |
| 53 var childFrame; |
| 54 function initThirdListener() { |
| 55 childFrame = document.createElement('iframe'); |
| 56 document.body.appendChild(childFrame); |
| 57 childFrame.contentWindow.addEventListener('deviceorientation', thirdListener
); |
| 58 } |
| 59 |
| 60 function thirdListener(event) { |
| 61 // Expect the cached event because Device Orientation was already active |
| 62 // when third listener was added. |
| 63 checkOrientation(event); |
| 64 window.removeEventListener('deviceorientation', firstListener); |
| 65 childFrame.contentWindow.removeEventListener('deviceorientation', thirdListe
ner); |
| 66 setTimeout(function(){initFourthListener();}, 0); |
| 67 } |
| 68 |
| 69 function initFourthListener() { |
| 70 expectedEvent = mockEvent; |
| 71 window.addEventListener('deviceorientation', fourthListener); |
| 72 } |
| 73 |
| 74 function fourthListener(event) { |
| 75 checkOrientation(event); |
| 76 finishJSTest(); |
| 77 } |
| 78 |
| 79 setMockOrientation(1, 2, 3, true); |
| 80 expectedEvent = mockEvent; |
| 81 window.addEventListener('deviceorientation', firstListener); |
| 82 window.addEventListener('deviceorientation', secondListener); |
| 83 |
| 84 window.jsTestIsAsync = true; |
| 85 |
| 86 </script> |
| 87 </body> |
| 88 </html> |
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Chromium Code Reviews
Issue 240993003:
Fix the issue with adding/removing event listeners for Device Motion/Orientation. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk