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products/Sources/formale Sprachen/C/Firefox/third_party/rust/xml-rs/src/ (Firefox Browser Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 15 kB

Impressum test_will_change.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/base/tests/chrome/test_will_change.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Tests for MozAfterPaint</title>
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <script src="chrome://mochikit/content/tests/SimpleTest/paint_listener.js"></script>
  <style>
    div {
      width: 100px;
      height: 100px;
      background: radial-gradient(ellipse at center, #87e0fd 0%,#53cbf1 40%,#05abe0 100%);
    }
  </style>
</head>
<body>
</body>
<script>

var utils = window.windowUtils;

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

add_task(async () => {
  var element = document.createElement("div");
  document.body.appendChild(element);

  await waitForPaints();

  utils.checkAndClearPaintedState(element);
  element.style.opacity = "0.5";

  await waitForPaints();

  var painted = utils.checkAndClearPaintedState(element);
  // *** We check that this repaints because the test is relying
  //     on this property. If this is broken then this test wont
  //     be reliable check for will-change.
  is(painted, true, "element should have been painted");

  element.remove();
});

add_task(async () => {
  var element = document.createElement("div");
  document.body.appendChild(element);

  element.style.willChange = "opacity";

  await waitForPaints();

  utils.checkAndClearPaintedState(element);
  element.style.opacity = "0.5";

  await waitForPaints();

  var painted = utils.checkAndClearPaintedState(element);
  // BasicLayers' heuristics are so that even with will-change:opacity,
  // we can still have repaints.
  if (utils.layerManagerType != "Basic") {
    is(painted, false, "will-change:opacity element should not have been painted");
  }

  element.remove();
});

add_task(async () => {
  var element = document.createElement("div");
  document.body.appendChild(element);

  element.style.willChange = "transform";

  await waitForPaints();

  utils.checkAndClearPaintedState(element);
  element.style.transform = "translateY(-5px)";

  await waitForPaints();

  var painted = utils.checkAndClearPaintedState(element);
  // BasicLayers' heuristics are so that even with will-change:transform,
  // we can still have repaints.
  if (utils.layerManagerType != "Basic") {
    is(painted, false, "will-change:transform element should not have been painted");
  }

  element.remove();
});

add_task(async () => {
  var element = document.createElement("div");
  document.body.appendChild(element);

  element.style.willChange = "translate";

  await waitForPaints();

  utils.checkAndClearPaintedState(element);
  element.style.translate = "5px";

  await waitForPaints();

  var painted = utils.checkAndClearPaintedState(element);
  // BasicLayers' heuristics are so that even with will-change:translate,
  // we can still have repaints.
  if (utils.layerManagerType != "Basic") {
    is(painted, false, "will-change:translate element should not have been painted");
  }

  element.remove();
});

add_task(async () => {
  var element = document.createElement("div");
  document.body.appendChild(element);

  element.style.willChange = "offset-path";

  await waitForPaints();

  utils.checkAndClearPaintedState(element);
  element.style.offsetPath = "path('M55 50 h1')";

  await waitForPaints();

  var painted = utils.checkAndClearPaintedState(element);
  // BasicLayers' heuristics are so that even with will-change:offset-path,
  // we can still have repaints.
  if (utils.layerManagerType != "Basic") {
    is(painted, false, "will-change:offset-path element should not have been painted");
  }

  element.remove();
});

</script>
</html>

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¤ Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.0.17Bemerkung: (vorverarbeitet am 2026-06-06) ¤

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Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.