286 lines
10 KiB
HTML
286 lines
10 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Setting the current time of an animation</title>
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<link rel="help" href="https://drafts.csswg.org/web-animations-1/#setting-the-current-time-of-an-animation">
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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="/web-animations/testcommon.js"></script>
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<script src="testcommon.js"></script>
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<style>
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.scroller {
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overflow: auto;
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height: 200px;
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width: 100px;
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will-change: transform;
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}
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.contents {
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height: 1000px;
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width: 100%;
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}
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</style>
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<body>
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<div id="log"></div>
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<script>
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'use strict';
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.25 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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await animation.ready;
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assert_throws_js(TypeError, () => {
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animation.currentTime = null;
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});
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}, 'Setting animation current time to null throws TypeError.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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assert_throws_js(TypeError, () => {
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animation.currentTime = CSSNumericValue.parse("300");
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});
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assert_throws_js(TypeError, () => {
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animation.currentTime = CSSNumericValue.parse("300ms");
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});
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assert_throws_js(TypeError, () => {
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animation.currentTime = CSSNumericValue.parse("0.3s");
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});
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}, 'Setting the current time to an absolute time value throws exception');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.25 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.currentTime = CSSNumericValue.parse("33.3%");
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assert_percents_equal(animation.currentTime, 33.3,
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"Animation current time should be equal to the set value."
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);
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}, 'Set animation current time to a valid value without playing.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.25 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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await animation.ready;
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animation.currentTime = CSSNumericValue.parse("33.3%");
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assert_percents_equal(animation.currentTime, 33.3,
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"Animation current time should be equal to the set value."
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);
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}, 'Set animation current time to a valid value while playing.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.25 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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await animation.ready;
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animation.currentTime = CSSNumericValue.parse("200%");
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assert_equals(animation.playState, "finished");
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assert_percents_equal(animation.currentTime, 200,
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"Animation current time should be equal to the set value."
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);
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}, 'Set animation current time to a value beyond effect end.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.25 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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await animation.ready;
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animation.currentTime = CSSNumericValue.parse("-10%");
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assert_equals(animation.playState, "running");
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assert_percents_equal(animation.currentTime, -10,
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"Animation current time should be equal to the set value."
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);
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}, 'Set animation current time to a negative value.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.25 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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animation.currentTime = CSSNumericValue.parse("30%");
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assert_equals(animation.playState, "running");
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assert_true(animation.pending);
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assert_percents_equal(animation.currentTime, 30);
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}, "Setting current time while play pending overrides the current time");
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.25 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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await animation.ready;
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animation.currentTime = CSSNumericValue.parse("33.3%");
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assert_percents_equal(animation.currentTime, 33.3,
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"Animation current time should be equal to the set value."
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);
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// Cancel the animation and play it again, check that current time has reset
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// to scroll offset based current time.
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animation.cancel();
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animation.play();
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await animation.ready;
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assert_percents_equal(animation.currentTime, animation.timeline.currentTime,
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"Animation current time should return to a value matching its" +
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" timeline current time after animation is cancelled and played again."
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);
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}, 'Setting animation.currentTime then restarting the animation should' +
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' reset the current time.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.25 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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await animation.ready;
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const originalCurrentTime = animation.currentTime.value;
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// Set the current time to something other than where the scroll offset.
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animation.currentTime = CSSNumericValue.parse("50%");
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// Setting current time is internally setting the start time to
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// scrollTimeline.currentTime - newAnimationCurrentTime.
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// Which results in current time of (timeline.currentTime - start_time).
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// This behavior puts the animation in a strange "out of sync" state between
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// the scroller and the animation effect, this is currently expected
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// behavior.
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const expectedStartTime = originalCurrentTime - animation.currentTime.value;
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assert_percents_equal(animation.startTime, expectedStartTime,
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"Animation current time should be updated when setting the current time" +
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" to a time within the range of the animation.");
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scroller.scrollTop = 0.7 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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assert_percents_equal(animation.startTime, expectedStartTime,
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"Animation start time should remain unchanged when the scroller changes" +
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" position."
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);
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assert_percents_equal(animation.currentTime,
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animation.timeline.currentTime.value - animation.startTime.value,
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"Animation current time should return to a value equal to" +
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" (timeline.currentTime - animation.startTime) after timeline scroll" +
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" source has been scrolled."
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);
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}, 'Set Animation current time then scroll.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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await animation.ready;
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// Make the timeline inactive.
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scroller.style.overflow = 'visible';
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scroller.scrollTop;
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await waitForNextFrame();
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assert_equals(animation.currentTime, null,
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'Current time is unresolved when the timeline is inactive.');
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animation.currentTime = CSSNumericValue.parse("30%");
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assert_percents_equal(animation.currentTime, 30,
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'Animation current time should be equal to the set value.');
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assert_equals(animation.playState, 'paused',
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'Animation play state is \'paused\' when current time is set and ' +
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'timeline is inactive.');
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}, 'Animation current time and play state are correct when current time is ' +
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'set while the timeline is inactive.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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animation.play();
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await animation.ready;
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// Make the timeline inactive.
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scroller.style.overflow = 'visible';
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scroller.scrollTop;
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await waitForNextFrame();
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assert_equals(animation.timeline.currentTime, null,
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'Current time is unresolved when the timeline is inactive.');
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animation.currentTime = CSSNumericValue.parse("30%");
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assert_percents_equal(animation.currentTime, 30,
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'Animation current time should be equal to the set value.');
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assert_equals(animation.playState, 'paused',
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'Animation play state is \'paused\' when current time is set and ' +
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'timeline is inactive.');
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// Make the timeline active.
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scroller.style.overflow = 'auto';
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scroller.scrollTop;
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await waitForNextFrame();
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assert_percents_equal(animation.timeline.currentTime, 0,
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'Current time is resolved when the timeline is active.');
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assert_percents_equal(animation.currentTime, 30,
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'Animation current time holds the set value.');
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assert_equals(animation.playState, 'paused',
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'Animation holds \'paused\' state.');
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}, 'Animation current time set while the timeline is inactive holds when the ' +
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'timeline becomes active again.');
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</script>
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</body>
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