101 lines
4 KiB
HTML
101 lines
4 KiB
HTML
<!DOCTYPE html>
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<html id="top">
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<meta charset="utf-8">
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<title>View timeline current-time with vertical-rl writing mode</title>
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<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#viewtimeline-interface">
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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="/scroll-animations/scroll-timelines/testcommon.js"></script>
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<script src="/scroll-animations/view-timelines/testcommon.js"></script>
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<style>
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#container {
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writing-mode: vertical-rl;
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overflow-x: scroll;
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height: 200px;
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width: 200px;
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}
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.spacer {
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width: 800px;
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}
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#target {
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background-color: green;
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height: 100px;
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width: 200px;
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}
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</style>
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<body>
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<div id="container">
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<div id="leading-space" class="spacer"></div>
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<div id="target"></div>
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<div id="trailing-space" class="spacer"></div>
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</div>
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</body>
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<script type="text/javascript">
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promise_test(async t => {
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container.scrollLeft = 0;
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await waitForNextFrame();
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const anim = CreateViewTimelineOpacityAnimation(t, target, {axis: 'block'});
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const timeline = anim.timeline;
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await anim.ready;
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// Initially before start-offset and animation effect is in the before
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// phase.
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assert_percents_equal(timeline.currentTime, -150,
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"Timeline's currentTime at container start boundary");
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assert_percents_equal(anim.currentTime, -150,
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"Animation's currentTime at container start boundary");
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assert_equals(getComputedStyle(target).opacity, "1",
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'Effect is inactive in the before phase');
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// Advance to the start offset, which triggers entry to the active phase.
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container.scrollLeft = -600;
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await waitForNextFrame();
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assert_percents_equal(timeline.currentTime, 0,
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"Timeline's current time at start offset");
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assert_percents_equal(anim.currentTime, 0,
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"Animation's current time at start offset");
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assert_equals(getComputedStyle(target).opacity, '0.3',
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'Effect at the start of the active phase');
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// Advance to the midpoint of the animation.
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container.scrollLeft = -800;
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await waitForNextFrame();
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assert_percents_equal(timeline.currentTime, 50,
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"Timeline's currentTime at midpoint");
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assert_percents_equal(anim.currentTime, 50,
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"Animation's currentTime at midpoint");
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assert_equals(getComputedStyle(target).opacity,'0.5',
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'Effect at the midpoint of the active range');
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// Advance to the end of the animation.
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container.scrollLeft = -1000;
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anim.effect.updateTiming({ fill: 'forwards' });
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await waitForNextFrame();
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assert_percents_equal(timeline.currentTime, 100,
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"Timeline's currentTime at end offset");
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assert_percents_equal(anim.currentTime, 100,
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"Animation's currentTime at end offset");
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assert_equals(getComputedStyle(target).opacity, '0.7',
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'Opacity with fill forwards at effect end time');
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anim.effect.updateTiming({ fill: 'none' });
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assert_equals(getComputedStyle(target).opacity, '1',
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'Opacity with fill none at effect end time');
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// Advance to the scroll limit.
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container.scrollLeft = -1600;
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await waitForNextFrame();
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assert_percents_equal(timeline.currentTime, 250,
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"Timeline's currentTime at scroll limit");
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// Hold time set when the animation finishes, which clamps the value of
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// the animation's currentTime.
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assert_percents_equal(anim.currentTime, 100,
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"Animation's currentTime at scroll limit");
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// In the after phase, so the effect should not be applied.
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assert_equals(getComputedStyle(target).opacity, '1',
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'After phase at scroll limit');
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}, 'View timeline with container having vertical-rl layout' );
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</script>
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</html>
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