Quelle helper_scrollto_tap.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/gfx/layers/apz/test/mochitest/helper_scrollto_tap.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width; initial-scale=1.0">
  <title>Sanity touch-tapping test</title>
  <script type="application/javascript" src="apz_test_native_event_utils.js"></script>
  <script type="application/javascript" src="apz_test_utils.js"></script>
  <script src="/tests/SimpleTest/paint_listener.js"></script>
  <script type="application/javascript">

async function test() {
  while (window.scrollY == 0) {
    // the scrollframe is not yet marked as APZ-scrollable. Mark it so
    // before continuing.
    window.scrollTo(0, 1);
    await promiseApzFlushedRepaints();
  }

  // This is a scroll by 20px that should use paint-skipping if possible.
  // If paint-skipping is enabled, this should not trigger a paint, but go
  // directly to the compositor using an empty transaction. We check for this
  // by ensuring the document element did not get painted.
  var utils = window.opener.SpecialPowers.getDOMWindowUtils(window);
  var elem = document.documentElement;
  var skipping = location.search == "?true";
  utils.checkAndClearPaintedState(elem);
  window.scrollTo(0, 20);
  await promiseAllPaintsDone();

  if (skipping) {
    is(utils.checkAndClearPaintedState(elem), false, "Document element didn't get painted");
  }

  // After that's done, we click on the button to make sure the
  // skipped-paint codepath still has working APZ event transformations.
  let clickPromise = new Promise(resolve => {
    document.addEventListener("click", resolve);
  });

  await synthesizeNativeTap(document.getElementById("b"), 5, 5, function() {
    dump("Finished synthesizing tap, waiting for button to be clicked...\n");
  });

  let clickEvent = await clickPromise;
  is(clickEvent.target, document.getElementById("b"), "Clicked on button, yay! (at " + clickEvent.clientX + "," + clickEvent.clientY + ")");
}

waitUntilApzStable()
  .then(test)
  .then(subtestDone, subtestFailed);

  </script>
</head>
<body style="height: 5000px">
<div style="height: 50px">spacer</div>
<button id="b" style="width: 10px; height: 10px"></button>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.3 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

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.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.