LayoutTests/animations/keyframes-cssom-updates-animation.html - Issue 814083003: Update animation when changes in animation keyframes are detected.

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Issue 814083003: Update animation when changes in animation keyframes are detected. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Detect changes in keyText() Created 5 years, 11 months ago

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	1 <!doctype html>

	2 <script src="../resources/testharness.js"></script>

	3 <script src="../resources/testharnessreport.js"></script>

	4 <style>

	5 @keyframes anim {

	6 0% { left: 0px; }

	7 20% { left: 500px; }

	8 100% { left: 100px; }

	9 }

	10

	11 #target1 {

	12 animation: anim 10s -3s linear paused;

	13 background-color: rgb(0, 0, 0);

	14 }

	15

	16 #target2 {

	17 animation: anim 10s -6s linear paused;

	18 background-color: rgb(0, 0, 0);

	19 }

	20 </style>

	21 <div id="target1"></div>

	22 <div id="target2"></div>

	23 <script>

	24 test(function() {

	25 assert_equals(parseInt(getComputedStyle(target1).left), 450, 'left offset');

	26 assert_equals(parseInt(getComputedStyle(target2).left), 300, 'left offset');

	27

	28 var sheet = document.styleSheets[0];

	29 var rules = sheet.rules;

	30 var keyframes = rules[0];

	31 keyframes.appendRule('50% { left: 500px; }');

	32 keyframes.deleteRule('20%');

	33

	34 assert_equals(parseInt(getComputedStyle(target1).left), 300, 'left offset');

	35 assert_equals(parseInt(getComputedStyle(target2).left), 420, 'left offset');

	36

	37 var newKeyframeRuleIndex = sheet.rules.length;

	38 sheet.insertRule('@keyframes anim { 0% { left: 0px; } 100% { left: 300px; } }', newKeyframeRuleIndex); // Should override 'anim'

	39

	40 assert_equals(parseInt(getComputedStyle(target1).left), 90, 'left offset');

	41 assert_equals(parseInt(getComputedStyle(target2).left), 180, 'left offset');

	42

	43 sheet.deleteRule(newKeyframeRuleIndex); // Should revert to original 'anim'

	44

	45 assert_equals(parseInt(getComputedStyle(target1).left), 300, 'left offset');

	46 assert_equals(parseInt(getComputedStyle(target2).left), 420, 'left offset');

	47

	48 newStyle = document.createElement('style');

	49 newStyle.appendChild(document.createTextNode('@keyframes anim { 0% { left: 1 00px; } 100% { left: 400px; } }'));

	50 document.head.appendChild(newStyle);

	51

	52 assert_equals(parseInt(getComputedStyle(target1).left), 190, 'left offset');

	53 assert_equals(parseInt(getComputedStyle(target2).left), 280, 'left offset');

	54

	55 newStyle.innerHTML = '@keyframes anim { 0% { left: 200px; } 100% { left: 400 px; } }';

	56

	57 assert_equals(parseInt(getComputedStyle(target1).left), 260, 'left offset');

	58 assert_equals(parseInt(getComputedStyle(target2).left), 320, 'left offset');

	59

	60 document.head.removeChild(newStyle); // Should revert to original 'anim' wit h 50% { left: 500px; } replacing 20%.

	61

	62 assert_equals(parseInt(getComputedStyle(target1).left), 300, 'left offset');

	63 assert_equals(parseInt(getComputedStyle(target2).left), 420, 'left offset');

	64

	65 assert_equals(keyframes.cssRules.length, 3);

	66 var keyframe = keyframes[2];

	67 assert_equals(keyframe.keyText, '50%');

	68 keyframe.style.setProperty('background-color', 'rgb(200, 100, 50)');

	69 assert_equals(getComputedStyle(target1).backgroundColor, 'rgb(120, 60, 30)') ;

	70 assert_equals(getComputedStyle(target2).backgroundColor, 'rgb(160, 80, 40)') ;

	71

	72 keyframe.style.removeProperty('background-color');

	73 assert_equals(getComputedStyle(target1).backgroundColor, 'rgb(0, 0, 0)');

	74 assert_equals(getComputedStyle(target2).backgroundColor, 'rgb(0, 0, 0)');

	75

	76 keyframe.keyText = '20%';

	77 assert_equals(parseInt(getComputedStyle(target1).left), 450, 'left offset');

	78 assert_equals(parseInt(getComputedStyle(target2).left), 300, 'left offset');
	shend 2015/01/06 00:36:18 With respect to the discussion on Friday, would th With respect to the discussion on Friday, would there be any way to modify keyframes that requires the use of a MutationObserver?
	79

	80 }, "Check that changes to animation via CSSOM update it accordingly");

	81 </script>

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