gfx/layers/apz/test/mochitest/helper_doubletap_zoom_tallwide.html
author Cosmin Sabou <csabou@mozilla.com>
Sun, 05 Feb 2023 19:37:33 +0000
changeset 651812 d8601249f1eb8c52c742b0c19c9ca0fa8f2e31fe
parent 589289 7e795e95ddda3f9b8fb6fe4cff9077834f8b898e
permissions -rw-r--r--
Bug 1806090 - temporarily disable browser_quickactions.js on linux for frequent failures. r=intermittent-reviewers,MasterWayZ Differential Revision: https://phabricator.services.mozilla.com/D168909

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=2100"/>
  <title>Check that double tapping on a tall element that is >90% width of viewport doesn't scroll to the top of it when scrolled down</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() {
  let useTouchpad = (location.search == "?touchpad");

  var resolution = await getResolution();
  ok(resolution > 0,
     "The initial_resolution is " + resolution + ", which is some sane value");

  // Check that double-tapping once on a small element zooms in
  await doubleTapOn(document.getElementById("target2"), 10, 10, useTouchpad);
  let prev_resolution = resolution;
  resolution = await getResolution();
  ok(resolution > prev_resolution, "The first double-tap has increased the resolution to " + resolution);

  // instant scroll to the bottom of the page
  window.scrollTo({
    top: 40000,
    left: 0,
    behavior: 'auto'
  });

  await promiseApzFlushedRepaints();

  let scrollPos = window.scrollY;
  ok(scrollPos > 1500, "window scrolled down (1)");
  ok(scrollPos > window.innerHeight * 2, "window scrolled down (2)")

  info("window.scrollY " + window.scrollY);
  info("window.innerHeight " + window.innerHeight);
  info("visualViewport.pageTop " + visualViewport.pageTop);

  let target = document.getElementById("target");

  let x = 20;
  let y = visualViewport.pageTop + 20;

  // Check that double-tapping on the big element zooms out
  await doubleTapOn(target, x, y, useTouchpad);
  prev_resolution = resolution;
  resolution = await getResolution();
  ok(resolution < prev_resolution, "The second double-tap has decreased the resolution to " + resolution);

  info("scrollPos " + scrollPos);
  info("window.scrollY " + window.scrollY);
  ok(window.scrollY > 1500, "window is still scrolled down (1)");
  ok(window.scrollY >= scrollPos - window.innerHeight, "window is still scrolled down (2)");
}

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

  </script>
  <style>
    .container {
      background-color: #eee;
      width: 95vw;
      height: 400vh;
    }
    .smallcontainer {
      background-color: #aaa;
      width: 40px;
      height: 40px;
    }
</style>
</head>
<body>

<div id="target" class="container">
  <div id="target2" class="smallcontainer">
  </div>
</div>

</body>
</html>