LayoutTests/fast/dom/DeviceMotion/multiple-event-listeners.html - Issue 240993003: Fix the issue with adding/removing event listeners for Device Motion/Orientation.

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Issue 240993003: Fix the issue with adding/removing event listeners for Device Motion/Orientation. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: added fix and test for device orientation Created 6 years, 8 months ago

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	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 Motion API.');

	9

	10 var mockEvent;

	11 var expectedEvent;

	12 function setMockMotion(accelerationX, accelerationY, accelerationZ,

	13 accelerationIncludingGravityX, accelerationIncludingGravi tyY, accelerationIncludingGravityZ,

	14 rotationRateAlpha, rotationRateBeta, rotationRateGamma,

	15 interval) {

	16

	17 mockEvent = {accelerationX: accelerationX, accelerationY: accelerationY, acc elerationZ: accelerationZ,

	18 accelerationIncludingGravityX: accelerationIncludingGravityX, a ccelerationIncludingGravityY: accelerationIncludingGravityY, accelerationIncludi ngGravityZ: accelerationIncludingGravityZ,

	19 rotationRateAlpha: rotationRateAlpha, rotationRateBeta: rotatio nRateBeta, rotationRateGamma: rotationRateGamma,

	20 interval: interval};

	21

	22 if (window.testRunner)

	23 testRunner.setMockDeviceMotion(true, mockEvent.accelerationX, true, mock Event.accelerationY, true, mockEvent.accelerationZ,

	24 true, mockEvent.accelerationIncludingGrav ityX, true, mockEvent.accelerationIncludingGravityY, true, mockEvent.acceleratio nIncludingGravityZ,

	25 true, mockEvent.rotationRateAlpha, true, mockEvent.rotationRateBeta, true, mockEvent.rotationRateGamma,

	26 interval);

	27 else

	28 debug('This test can not be run without the TestRunner');

	29 }

	30

	31 var deviceMotionEvent;

	32 function checkMotion(event) {

	33 deviceMotionEvent = event;

	34 shouldBe('deviceMotionEvent.acceleration.x', 'expectedEvent.accelerationX');

	35 shouldBe('deviceMotionEvent.acceleration.y', 'expectedEvent.accelerationY');

	36 shouldBe('deviceMotionEvent.acceleration.z', 'expectedEvent.accelerationZ');

	37

	38 shouldBe('deviceMotionEvent.accelerationIncludingGravity.x', 'expectedEvent. accelerationIncludingGravityX');

	39 shouldBe('deviceMotionEvent.accelerationIncludingGravity.y', 'expectedEvent. accelerationIncludingGravityY');

	40 shouldBe('deviceMotionEvent.accelerationIncludingGravity.z', 'expectedEvent. accelerationIncludingGravityZ');

	41

	42 shouldBe('deviceMotionEvent.rotationRate.alpha', 'expectedEvent.rotationRate Alpha');

	43 shouldBe('deviceMotionEvent.rotationRate.beta', 'expectedEvent.rotationRateB eta');

	44 shouldBe('deviceMotionEvent.rotationRate.gamma', 'expectedEvent.rotationRate Gamma');

	45

	46 shouldBe('deviceMotionEvent.interval', 'expectedEvent.interval');

	47 }

	48

	49 var counter = 0;

	50 function firstListener(event) {

	51 checkMotion(event);

	52 counter++;

	53 proceedIfNecessary();

	54 }

	55

	56 function secondListener(event) {

	57 checkMotion(event);

	58 counter++;

	59 proceedIfNecessary();

	60 }

	61

	62 function proceedIfNecessary() {

	63 if (counter == 2) {

	64 setMockMotion(11, 12, 13,

	65 14, 15, 16,

	66 17, 18, 19,

	67 0);

	68 // Note: this should not stop Device Motion updates,

	69 // because there is still one listener active.

	70 window.removeEventListener('devicemotion', secondListener);

	71 setTimeout(function(){initThirdListener();}, 0);

	72 }

	73 }

	74

	75 var childFrame;

	76 function initThirdListener() {

	77 childFrame = document.createElement('iframe');

	78 document.body.appendChild(childFrame);

	79 childFrame.contentWindow.addEventListener('devicemotion', thirdListener);

	80 }

	81

	82 function thirdListener(event) {

	83 // Expect the cached event because Device Motion was already active

	84 // when third listener was added.

	85 checkMotion(event);

	86 window.removeEventListener('devicemotion', firstListener);

	87 childFrame.contentWindow.removeEventListener('devicemotion', thirdListener);

	88 setTimeout(function(){initFourthListener();}, 0);

	89 }

	90

	91 function initFourthListener() {

	92 expectedEvent = mockEvent;

	93 window.addEventListener('devicemotion', fourthListener);

	94 }

	95

	96 function fourthListener(event) {

	97 checkMotion(event);

	98 finishJSTest();

	99 }

	100

	101 setMockMotion(1, 2, 3,

	102 4, 5, 6,

	103 7, 8, 9,

	104 0);

	105 expectedEvent = mockEvent;

	106 window.addEventListener('devicemotion', firstListener);

	107 window.addEventListener('devicemotion', secondListener);

	108

	109 window.jsTestIsAsync = true;

	110

	111 </script>

	112 </body>

	113 </html>

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