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products/Sources/formale Sprachen/C/Firefox/gfx/layers/apz/test/mochitest/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 5 kB

Quelle helper_touch_action.html

Sprache: HTML

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

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width; initial-scale=1.0,minimum-scale=1.0">
  <title>Sanity touch-action 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">

function checkScroll(x, y, desc) {
  is(window.scrollX, x, desc + " - x axis");
  is(window.scrollY, y, desc + " - y axis");
}

async function test() {
  var target = document.getElementById("target");

  // drag the page up to scroll down by 50px
  let touchEndPromise = promiseTouchEnd(document.body);
  ok(await synthesizeNativeTouchDrag(target, 10, 100, 0, -50),
      "Synthesized native vertical drag (1), waiting for touch-end event...");
  await touchEndPromise;
  await promiseOnlyApzControllerFlushed();
  checkScroll(0, 50, "After first vertical drag, with pan-y" );

  // switch style to pan-x
  document.body.style.touchAction = "pan-x";
  ok(true, "Waiting for pan-x to propagate...");
  await promiseAllPaintsDone(null, true);
  await promiseOnlyApzControllerFlushed();

  // drag the page up to scroll down by 50px, but it won't happen because pan-x
  touchEndPromise = promiseTouchEnd(document.body);
  ok(await synthesizeNativeTouchDrag(target, 10, 100, 0, -50),
     "Synthesized native vertical drag (2), waiting for touch-end event...");
  await touchEndPromise;
  await promiseOnlyApzControllerFlushed();
  checkScroll(0, 50, "After second vertical drag, with pan-x");

  // drag the page left to scroll right by 50px
  touchEndPromise = promiseTouchEnd(document.body);
  ok(await synthesizeNativeTouchDrag(target, 100, 10, -50, 0),
     "Synthesized horizontal drag (1), waiting for touch-end event...");
  await touchEndPromise;
  await promiseOnlyApzControllerFlushed();
  checkScroll(50, 50, "After first horizontal drag, with pan-x");

  // drag the page diagonally right/down to scroll up/left by 40px each axis;
  // only the x-axis will actually scroll because pan-x
  touchEndPromise = promiseTouchEnd(document.body);
  ok(await synthesizeNativeTouchDrag(target, 10, 10, 40, 40),
     "Synthesized diagonal drag (1), waiting for touch-end event...");
  await touchEndPromise;
  await promiseOnlyApzControllerFlushed();
  checkScroll(10, 50, "After first diagonal drag, with pan-x");

  // switch style back to pan-y
  document.body.style.touchAction = "pan-y";
  ok(true, "Waiting for pan-y to propagate...");
  await promiseAllPaintsDone(null, true);
  await promiseOnlyApzControllerFlushed();

  // drag the page diagonally right/down to scroll up/left by 40px each axis;
  // only the y-axis will actually scroll because pan-y
  touchEndPromise = promiseTouchEnd(document.body);
  ok(await synthesizeNativeTouchDrag(target, 10, 10, 40, 40),
     "Synthesized diagonal drag (2), waiting for touch-end event...");
  await touchEndPromise;
  await promiseOnlyApzControllerFlushed();
  checkScroll(10, 10, "After second diagonal drag, with pan-y");

  // switch style to none
  document.body.style.touchAction = "none";
  ok(true, "Waiting for none to propagate...");
  await promiseAllPaintsDone(null, true);
  await promiseOnlyApzControllerFlushed();

  // drag the page diagonally up/left to scroll down/right by 40px each axis;
  // neither will scroll because of touch-action
  touchEndPromise = promiseTouchEnd(document.body);
  ok(await synthesizeNativeTouchDrag(target, 100, 100, -40, -40),
      "Synthesized diagonal drag (3), waiting for touch-end event...");
  await touchEndPromise;
  await promiseOnlyApzControllerFlushed();
  checkScroll(10, 10, "After third diagonal drag, with none");

  document.body.style.touchAction = "manipulation";
  ok(true, "Waiting for manipulation to propagate...");
  await promiseAllPaintsDone(null, true);
  await promiseOnlyApzControllerFlushed();

  // drag the page diagonally up/left to scroll down/right by 40px each axis;
  // both will scroll because of touch-action
  touchEndPromise = promiseTouchEnd(document.body);
  ok(await synthesizeNativeTouchDrag(target, 100, 100, -40, -40),
      "Synthesized diagonal drag (4), waiting for touch-end event...");
  await touchEndPromise;
  await promiseOnlyApzControllerFlushed();
  checkScroll(50, 50, "After fourth diagonal drag, with manipulation");
}

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

  </script>
</head>
<body style="touch-action: pan-y">
<div style="width: 5000px; height: 5000px; background-color: lightgreen;">
  This div makes the page scrollable on both axes.<br>
  This is the second line of text.<br>
  This is the third line of text.<br>
  This is the fourth line of text.
</div>

<div style="position:fixed; left: 10px; top: 10px; width: 1px; height: 1px" id="target"></div>
</body>
</html>

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¤ Dauer der Verarbeitung: 0.4 Sekunden ¤

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