gfx/layers/apz/test/mochitest/helper_div_pan.html
author Mozilla Releng Treescript <release+treescript@mozilla.org>
Mon, 11 Nov 2019 21:30:27 +0000
changeset 559992 82e09b582c5071d4398e9a5a3865597ca314d425
parent 528457 c9c0c6f2eed54a187e124942e53c3660b4cf17d8
permissions -rw-r--r--
No bug - Tagging 271f87528b864c091e90fee8f4cc8cbcdb36cef9 with FIREFOX_71_0b9_BUILD1 a=release CLOSED TREE DONTBUILD

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width; initial-scale=1.0">
  <title>Sanity panning test for scrollable div</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 scrollOuter() {
  var transformEnd = function() {
    SpecialPowers.Services.obs.removeObserver(transformEnd, "APZ:TransformEnd");
    dump("Transform complete; flushing repaints...\n");
    flushApzRepaints(checkScroll);
  };
  SpecialPowers.Services.obs.addObserver(transformEnd, "APZ:TransformEnd");

  synthesizeNativeTouchDrag(document.getElementById("outer"), 10, 100, 0, -50);
  dump("Finished native drag, waiting for transform-end observer...\n");
}

function checkScroll() {
  var outerScroll = document.getElementById("outer").scrollTop;
  is(outerScroll, 50, "check that the div scrolled");
  subtestDone();
}

waitUntilApzStable().then(scrollOuter);

  </script>
</head>
<body>
 <div id="outer" style="height: 250px; border: solid 1px black; overflow:scroll">
  <div style="height: 5000px; background-color: lightblue">
    This div makes the |outer| div scrollable.
  </div>
 </div>
 <div style="height: 5000px; background-color: lightgreen;">
  This div makes the top-level page scrollable.
 </div>
</body>
</html>