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products/Sources/formale Sprachen/C/Firefox/dom/animation/test/style/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 4 kB

Quelle test_composite.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/animation/test/style/test_composite.html

<!doctype html>
<meta charset=utf-8>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../testcommon.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<style>
div {
  /* Element needs geometry to be eligible for layerization */
  width: 20px;
  height: 20px;
  background-color: white;
}
</style>
<body>
<div id="log"></div>
<script>
'use strict';

if (!SpecialPowers.DOMWindowUtils.layerManagerRemote ||
    !SpecialPowers.getBoolPref(
      'layers.offmainthreadcomposition.async-animations')) {
  // If OMTA is disabled, nothing to run.
  done();
}

function waitForPaintsFlushed() {
  return new Promise(function(resolve, reject) {
    waitForAllPaintsFlushed(resolve);
  });
}

promise_test(t => {
  // Without this, the first test case fails on Android.
  return waitForDocumentLoad();
}, 'Ensure document has been loaded');

promise_test(t => {
  var div;
  return useTestRefreshMode(t).then(() => {
    div = addDiv(t, { style: 'transform: translateX(100px)' });
    div.animate({ transform: ['translateX(0px)', 'translateX(200px)'],
                  composite: 'accumulate' },
                100 * MS_PER_SEC);

    return waitForPaintsFlushed();
  }).then(() => {
    SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(50 * MS_PER_SEC);
    var transform =
      SpecialPowers.DOMWindowUtils.getOMTAStyle(div, 'transform');
    assert_matrix_equals(transform, 'matrix(1, 0, 0, 1, 200, 0)',
      'Transform value at 50%');
  });
}, 'Accumulate onto the base value');

promise_test(t => {
  var div;
  return useTestRefreshMode(t).then(() => {
    div = addDiv(t);
    div.animate({ transform: ['translateX(100px)', 'translateX(200px)'],
                  composite: 'replace' },
                100 * MS_PER_SEC);
    div.animate({ transform: ['translateX(0px)', 'translateX(100px)'],
                  composite: 'accumulate' },
                100 * MS_PER_SEC);

    return waitForPaintsFlushed();
  }).then(() => {
    SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(50 * MS_PER_SEC);
    var transform =
      SpecialPowers.DOMWindowUtils.getOMTAStyle(div, 'transform');
    assert_matrix_equals(transform, 'matrix(1, 0, 0, 1, 200, 0)',
      'Transform value at 50%');
  });
}, 'Accumulate onto an underlying animation value');

promise_test(t => {
  var div;
  return useTestRefreshMode(t).then(() => {
    div = addDiv(t, { style: 'transform: translateX(100px)' });
    div.animate([{ transform: 'translateX(100px)', composite: 'accumulate' },
                 { transform: 'translateX(300px)', composite: 'replace' }],
                100 * MS_PER_SEC);

    return waitForPaintsFlushed();
  }).then(() => {
    SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(50 * MS_PER_SEC);
    var transform =
      SpecialPowers.DOMWindowUtils.getOMTAStyle(div, 'transform');
    assert_matrix_equals(transform, 'matrix(1, 0, 0, 1, 250, 0)',
      'Transform value at 50s');
  });
}, 'Composite when mixing accumulate and replace');

promise_test(t => {
  var div;
  return useTestRefreshMode(t).then(() => {
    div = addDiv(t, { style: 'transform: translateX(100px)' });
    div.animate([{ transform: 'translateX(100px)', composite: 'replace' },
                 { transform: 'translateX(300px)' }],
                { duration: 100 * MS_PER_SEC, composite: 'accumulate' });
    return waitForPaintsFlushed();
  }).then(() => {
    SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(50 * MS_PER_SEC);
    var transform =
      SpecialPowers.DOMWindowUtils.getOMTAStyle(div, 'transform');
    assert_matrix_equals(transform, 'matrix(1, 0, 0, 1, 250, 0)',
      'Transform value at 50%');
  });
}, 'Composite specified on a keyframe overrides the composite mode of the ' +
   'effect');

promise_test(t => {
  var div;
  var anim;
  return useTestRefreshMode(t).then(() => {
    div = addDiv(t);
    div.animate({ transform: [ 'scale(2)', 'scale(2)' ] }, 100 * MS_PER_SEC);
    anim = div.animate({ transform: [ 'scale(4)', 'scale(4)' ] },
                       { duration: 100 * MS_PER_SEC, composite: 'add' });

    return waitForPaintsFlushed();
  }).then(() => {
    var transform =
      SpecialPowers.DOMWindowUtils.getOMTAStyle(div, 'transform');
    assert_matrix_equals(transform, 'matrix(8, 0, 0, 8, 0, 0)',
      'The additive scale value should be scale(8)'); // scale(2) scale(4)

    anim.effect.composite = 'accumulate';
    return waitForPaintsFlushed();
  }).then(() => {
    SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(1);
    var transform =
      SpecialPowers.DOMWindowUtils.getOMTAStyle(div, 'transform');
    assert_matrix_equals(transform, 'matrix(5, 0, 0, 5, 0, 0)',
      // (scale(2 - 1) + scale(4 - 1) + scale(1))
      'The accumulate scale value should be scale(5)');
  });
}, 'Composite operation change');

</script>
</body>

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¤ Dauer der Verarbeitung: 0.3 Sekunden ¤

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