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<!doctype html>
<meta charset=utf-8>
<title>Animating CSS logical properties using Web Animations</title>
<link rel="help" href="https://drafts.csswg.org/css-logical/#box">
<meta name="assert" content="The specified values of these properties are separate from the specified values of the parallel physical properties, but the flow-relative and physical properties share computed values.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../css-animations/support/testcommon.js"></script>
<style>
:root {
--200px: 200px;
--300px: 300px;
--writingMode: horizontal-tb;
}
</style>
<div id="log"></div>
<script>
'use strict';
test(t => {
const div = addDiv(t);
const anim = div.animate({ blockSize: ['0px', '100px'] }, 1000);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).height, '50px');
}, 'Logical properties can be animated using object notation');
test(t => {
const div = addDiv(t);
const anim = div.animate(
[{ blockSize: '0px' }, { blockSize: '100px' }],
1000
);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).height, '50px');
}, 'Logical properties can be animated using array notation');
test(t => {
const anim = addDiv(t).animate({ blockSize: ['0px', '100px'] }, 1000);
assert_equals(anim.effect.getKeyframes().length, 2);
assert_own_property(anim.effect.getKeyframes()[0], 'blockSize');
assert_false(anim.effect.getKeyframes()[0].hasOwnProperty('height'));
assert_own_property(anim.effect.getKeyframes()[1], 'blockSize');
assert_false(anim.effect.getKeyframes()[1].hasOwnProperty('height'));
}, 'Logical properties are NOT stored as physical properties');
test(t => {
const div = addDiv(t, { style: 'writing-mode: vertical-rl' });
const anim = div.animate({ blockSize: ['0px', '100px'] }, 1000);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).width, '50px');
assert_equals(getComputedStyle(div).height, '0px');
}, 'Logical properties in animations respect the writing-mode');
test(t => {
const div = addDiv(t, { style: 'direction: rtl' });
const anim = div.animate({ marginInlineStart: ['0px', '100px'] }, 1000);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).marginLeft, '0px');
assert_equals(getComputedStyle(div).marginRight, '50px');
}, 'Logical properties in animations respect the direction');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{
blockSize: ['0px', '100px'],
height: ['200px', '300px'],
},
1000
);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).height, '250px');
}, 'Physical properties win over logical properties in object notation');
test(t => {
const div = addDiv(t);
const anim = div.animate(
[
{ height: '200px', blockSize: '0px' },
{ height: '300px', blockSize: '100px' },
],
1000
);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).height, '250px');
}, 'Physical properties win over logical properties in array notation');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{
blockSize: ['0px', '100px'],
height: ['var(--200px)', 'var(--300px)'],
},
1000
);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).height, '250px');
}, 'Physical properties with variables win over logical properties');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{
marginInlineStart: '100px',
marginInline: '200px',
margin: 'logical 300px',
},
{ duration: 1, easing: 'step-start' }
);
assert_equals(getComputedStyle(div).marginLeft, '100px');
assert_equals(getComputedStyle(div).marginRight, '200px');
assert_equals(getComputedStyle(div).marginTop, '300px');
assert_equals(getComputedStyle(div).marginBottom, '300px');
}, 'Logical shorthands follow the usual prioritization based on number of'
+ ' component longhands');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{
marginInline: '100px',
marginLeft: '200px',
},
{ duration: 1, easing: 'step-start' }
);
assert_equals(getComputedStyle(div).marginLeft, '200px');
assert_equals(getComputedStyle(div).marginRight, '100px');
}, 'Physical longhands win over logical shorthands');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{
marginInlineStart: '100px',
margin: '200px',
},
{ duration: 1, easing: 'step-start' }
);
assert_equals(getComputedStyle(div).marginLeft, '100px');
assert_equals(getComputedStyle(div).marginRight, '200px');
}, 'Logical longhands win over physical shorthands');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{
marginInline: '100px',
margin: '200px',
},
{ duration: 1, easing: 'step-start' }
);
assert_equals(getComputedStyle(div).marginLeft, '200px');
assert_equals(getComputedStyle(div).marginRight, '200px');
}, 'Physical shorthands win over logical shorthands');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{
marginInline: '100px',
margin: 'var(--200px)',
},
{ duration: 1, easing: 'step-start' }
);
assert_equals(getComputedStyle(div).marginLeft, '200px');
assert_equals(getComputedStyle(div).marginRight, '200px');
}, 'Physical shorthands using variables win over logical shorthands');
test(t => {
const div = addDiv(t);
const anim = div.animate([{ blockSize: '200px' }, { height: '300px' }], 1000);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).height, '250px');
}, 'Physical properties and logical properties can be mixed');
test(t => {
const div = addDiv(t);
const anim = div.animate(
[{ marginInline: '200px' }, { marginRight: '300px' }],
1000
);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).marginRight, '250px');
}, 'Physical shorthands and logical shorthands can be mixed');
test(t => {
const div = addDiv(t);
const anim = div.animate(
[{ blockSize: '100px', height: '200px' }, { height: '300px' }],
1000
);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).height, '250px');
}, 'Physical properties win over logical properties even when some keyframes'
+ ' only have logical properties');
test(t => {
const div = addDiv(t, { style: 'width: 0px; height: 0px' });
const anim = div.animate({ blockSize: ['0px', '100px'] }, 1000);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).width, '0px');
assert_equals(getComputedStyle(div).height, '50px');
div.style.writingMode = 'vertical-rl';
assert_equals(getComputedStyle(div).width, '50px');
assert_equals(getComputedStyle(div).height, '0px');
}, 'Animations update when the writing-mode is changed');
test(t => {
const div = addDiv(t, { style: 'width: 0px; height: 0px' });
const anim = div.animate(
{ blockSize: ['0px', '100px'] },
{
duration: 1000,
fill: 'forwards',
}
);
anim.finish();
assert_equals(getComputedStyle(div).width, '0px');
assert_equals(getComputedStyle(div).height, '100px');
div.style.writingMode = 'vertical-rl';
assert_equals(getComputedStyle(div).width, '100px');
assert_equals(getComputedStyle(div).height, '0px');
}, 'Filling animations update when the writing-mode is changed');
test(t => {
const div = addDiv(t, { style: 'width: 100px; height: 200px' });
const anim = div.animate({ blockSize: '300px' }, 1000);
anim.currentTime = 500;
// Initially we are animating height from 200px -> 300px
assert_equals(getComputedStyle(div).width, '100px');
assert_equals(getComputedStyle(div).height, '250px');
// After the change we are animating width from 100px -> 300px
div.style.writingMode = 'vertical-rl';
assert_equals(getComputedStyle(div).width, '200px');
assert_equals(getComputedStyle(div).height, '200px');
}, 'Animations with implicit from values update when the writing-mode'
+ ' is changed');
test(t => {
const div = addDiv(t, { style: 'width: 0px; height: 0px' });
const anim = div.animate(
[
{ height: '200px', blockSize: '0px' },
{ height: '300px', blockSize: '100px' },
],
1000
);
anim.currentTime = 500;
// Initially writing-mode is horizontal-tb so the 'block-size' values are
// clobbered by the 'height' values.
assert_equals(getComputedStyle(div).width, '0px');
assert_equals(getComputedStyle(div).height, '250px');
// After updating the writing-mode to vertical-rl the 'block-size' values
// should no longer be overridden and should apply to the height.
div.style.writingMode = 'vertical-rl';
assert_equals(getComputedStyle(div).width, '50px');
assert_equals(getComputedStyle(div).height, '250px');
}, 'Animations with overlapping physical and logical properties update'
+ ' when the writing-mode is changed');
test(t => {
const div = addDiv(t, { style: 'width: 0px; height: 0px' });
div.style.writingMode = 'var(--writingMode)';
const anim = div.animate({ blockSize: ['0px', '100px'] }, 1000);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).width, '0px');
assert_equals(getComputedStyle(div).height, '50px');
div.style.setProperty('--writingMode', 'vertical-rl');
assert_equals(getComputedStyle(div).width, '50px');
assert_equals(getComputedStyle(div).height, '0px');
}, 'Animations update when the writing-mode is changed through a CSS variable');
test(t => {
const div = addDiv(t);
const anim = div.animate({ marginInlineStart: ['0px', '100px'] }, 1000);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).marginLeft, '50px');
assert_equals(getComputedStyle(div).marginRight, '0px');
div.style.direction = 'rtl';
assert_equals(getComputedStyle(div).marginLeft, '0px');
assert_equals(getComputedStyle(div).marginRight, '50px');
}, 'Animations update when the direction is changed');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{
insetBlock: ['var(--200px)', 'var(--300px)'],
},
1000
);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).insetBlockStart, '250px');
}, 'Logical shorthand with variable references animates correctly');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{ writingMode: 'vertical-rl' },
{ duration: 1, easing: 'step-start' }
);
assert_equals(getComputedStyle(div).writingMode, 'horizontal-tb');
assert_equals(anim.effect.getKeyframes().length, 0);
}, 'writing-mode is not animatable');
test(t => {
const div = addDiv(t);
const anim = div.animate(
{ writingMode: 'rtl' },
{ duration: 1, easing: 'step-start' }
);
anim.currentTime = 500;
assert_equals(getComputedStyle(div).direction, 'ltr');
assert_equals(anim.effect.getKeyframes().length, 0);
}, 'direction is not animatable');
</script>
|
