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284 lines
8.9 KiB
HTML
284 lines
8.9 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>Animating CSS logical properties using CSS Transitions</title>
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<link rel="help" href="https://drafts.csswg.org/css-logical/#box">
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<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.">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="../css-animations/support/testcommon.js"></script>
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<div id="log"></div>
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<div id="test"></div>
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<script>
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'use strict';
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const testEl = document.getElementById("test");
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function makeDeclaration(object = {}) {
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return Object.entries(object).map(([prop, val]) => prop + ": " + val).join("; ");
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}
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/**
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* Starts a CSS transition in testEl. By default, the transition will affect the properies
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* specified in finalStyles, be linear, last 10 seconds and start halfway, but this can be
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* overridden in baseStyles.
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*
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* @param t The testharness.js Test object.
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* @param baseStyles A dictionary object with property names and values to set on the
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* element before starting the transition.
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* @param finalStyles A dictionary object with property names and values towards which
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* the element will transition.
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* @param [transitionStyles] An optional dictionary object to costumize the transition.
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*/
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function transition(t, baseStyles, finalStyles, transitionStyles = {}) {
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// Clear styles from previous test.
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testEl.style.cssText = "";
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testEl.className = "";
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getComputedStyle(testEl).height;
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// Set base and final styles
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addStyle(t, {
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"#test": makeDeclaration(baseStyles),
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"#test.transition": makeDeclaration(finalStyles),
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});
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getComputedStyle(testEl).height;
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// Set transition styles
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const defaultTransition = {
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"transition-property": Object.keys(finalStyles).join(", "),
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"transition-timing-function": "linear",
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"transition-duration": "10s",
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"transition-delay": "-5s",
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};
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addStyle(t, {
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"#test": makeDeclaration(Object.assign(defaultTransition, transitionStyles)),
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});
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// Start the transition
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testEl.className = "transition";
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}
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test(t => {
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transition(t, {
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"block-size": "0px",
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}, {
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"block-size": "100px",
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});
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assert_equals(getComputedStyle(testEl).height, '50px');
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}, 'Logical properties can be transitioned');
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test(t => {
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transition(t, {
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"block-size": "0px",
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"writing-mode": "vertical-rl",
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}, {
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"block-size": "100px",
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});
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assert_equals(getComputedStyle(testEl).width, '50px');
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assert_equals(getComputedStyle(testEl).height, '0px');
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}, 'Logical properties in transitions respect the writing-mode');
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test(t => {
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transition(t, {
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"margin-inline-start": "0px",
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"direction": "rtl",
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}, {
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"margin-inline-start": "100px",
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});
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assert_equals(getComputedStyle(testEl).marginLeft, '0px');
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assert_equals(getComputedStyle(testEl).marginRight, '50px');
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}, 'Logical properties in transitions respect the direction');
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test(t => {
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transition(t, {
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"block-size": "0px",
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"height": "200px",
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}, {
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"block-size": "100px",
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"height": "300px",
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});
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assert_equals(getComputedStyle(testEl).height, '250px');
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}, 'Declaration order is respected within declaration blocks');
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test(t => {
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transition(t, {}, {
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"margin-top": "200px",
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"margin-block-start": "100px"
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}, {
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"transition-timing-function": "step-start",
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});
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assert_equals(getComputedStyle(testEl).marginTop, '100px');
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}, 'Logical properties are able to override physical properties in declaration blocks');
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test(t => {
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transition(t, {}, {
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"margin-inline": "200px",
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"margin-inline-start": "0px",
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"margin-inline-start": "100px",
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}, {
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"transition-timing-function": "step-start",
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});
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assert_equals(getComputedStyle(testEl).marginLeft, '100px');
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}, 'Declaration order is respected amongst logical properties within declaration blocks');
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test(t => {
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transition(t, {
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"block-size": "200px",
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}, {
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"height": "300px",
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});
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assert_equals(getComputedStyle(testEl).height, '250px');
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}, 'Physical properties and logical properties can be mixed');
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test(t => {
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transition(t, {
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"height": "100px",
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"block-size": "200px",
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}, {
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"block-size": "100px",
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"height": "300px",
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});
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assert_equals(getComputedStyle(testEl).height, '250px');
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}, 'Declaration order is respected on each keyframe individually');
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test(t => {
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transition(t, {
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"width": "0px",
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"height": "0px",
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"block-size": "0px",
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}, {
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"block-size": "100px",
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});
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assert_equals(getComputedStyle(testEl).width, '0px');
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assert_equals(getComputedStyle(testEl).height, '50px');
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testEl.style.writingMode = 'vertical-rl';
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assert_equals(getComputedStyle(testEl).width, '50px');
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assert_equals(getComputedStyle(testEl).height, '0px');
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}, 'Transitions update when the writing-mode is changed');
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promise_test(async t => {
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transition(t, {
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"width": "0px",
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"height": "0px",
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"block-size": "0px",
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}, {
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"block-size": "100px",
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}, {
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"transition-delay": "-9.9s",
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});
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const watcher = new EventWatcher(t, testEl, [ 'transitionend' ]);
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await watcher.wait_for('transitionend');
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assert_equals(getComputedStyle(testEl).width, '0px');
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assert_equals(getComputedStyle(testEl).height, '100px');
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testEl.style.transition = 'none';
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testEl.style.writingMode = 'vertical-rl';
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assert_equals(getComputedStyle(testEl).width, '100px');
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assert_equals(getComputedStyle(testEl).height, '0px');
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}, 'Filling transitions update when the writing-mode is changed');
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test(t => {
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transition(t, {
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"width": "0px",
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"height": "0px",
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}, {
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"block-size": "100px",
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"height": "200px",
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});
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// Initially we are interpolating the height from 0 to 200px
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assert_equals(getComputedStyle(testEl).width, '0px');
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assert_equals(getComputedStyle(testEl).height, '100px');
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// But once we change the writing-mode, we will be interpolating *both*
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// the height (from 0px to 200px) *and* the width (from 0px to 100px).
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testEl.style.writingMode = 'vertical-rl';
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assert_equals(getComputedStyle(testEl).width, '50px');
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assert_equals(getComputedStyle(testEl).height, '100px');
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}, 'The number of interpolating properties can be increased when the'
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+ ' writing-mode is changed');
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test(t => {
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transition(t, {
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"width": "100px",
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"height": "100px",
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}, {
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"width": "500px",
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"block-size": "200px",
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});
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// Initially we are interpolating the width (100px -> 500px) and the height
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// (100px -> 200px).
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assert_equals(getComputedStyle(testEl).width, '300px');
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assert_equals(getComputedStyle(testEl).height, '150px');
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// Once we change the writing-mode, we will be interpolating *only* the
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// width (300px -> 200px).
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testEl.style.writingMode = 'vertical-rl';
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assert_equals(getComputedStyle(testEl).width, '250px');
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assert_equals(getComputedStyle(testEl).height, '100px');
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}, 'The number of interpolating properties can be decreased when the'
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+ ' writing-mode is changed');
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test(t => {
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addStyle(t, { ':root': '--writingMode: horizontal-tb' });
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transition(t, {
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"width": "0px",
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"height": "0px",
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"writing-mode": "var(--writingMode)",
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"block-size": "0px",
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}, {
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"block-size": "100px"
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});
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assert_equals(getComputedStyle(testEl).width, '0px');
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assert_equals(getComputedStyle(testEl).height, '50px');
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testEl.style.setProperty('--writingMode', 'vertical-rl');
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assert_equals(getComputedStyle(testEl).width, '50px');
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assert_equals(getComputedStyle(testEl).height, '0px');
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}, 'Transitions update when the writing-mode is changed through a CSS variable');
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test(t => {
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transition(t, {
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"margin-inline-start": "0px",
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}, {
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"margin-inline-start": "100px",
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});
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assert_equals(getComputedStyle(testEl).marginLeft, '50px');
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assert_equals(getComputedStyle(testEl).marginRight, '0px');
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testEl.style.direction = 'rtl';
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assert_equals(getComputedStyle(testEl).marginLeft, '0px');
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assert_equals(getComputedStyle(testEl).marginRight, '50px');
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}, 'Transitions update when the direction is changed');
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test(t => {
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transition(t, {
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"margin-inline-start": "100px",
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}, {
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"margin-left": "200px",
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});
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assert_equals(getComputedStyle(testEl).marginLeft, '150px');
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assert_equals(getComputedStyle(testEl).marginRight, '0px');
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testEl.style.direction = 'rtl';
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assert_equals(getComputedStyle(testEl).marginLeft, '150px');
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assert_equals(getComputedStyle(testEl).marginRight, '100px');
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}, 'Transitions from logical to physical update when the direction is changed');
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test(t => {
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transition(t, {
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"margin-left": "200px",
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}, {
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"margin-inline-start": "100px",
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});
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assert_equals(getComputedStyle(testEl).marginLeft, '150px');
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assert_equals(getComputedStyle(testEl).marginRight, '0px');
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testEl.style.direction = 'rtl';
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assert_equals(getComputedStyle(testEl).marginLeft, '200px');
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assert_equals(getComputedStyle(testEl).marginRight, '50px');
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}, 'Transitions from physical to logical update when the direction is changed');
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</script>
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