layout/style/test/test_pointer-events.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for pointer-events in HTML</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <style type="text/css">

  div       { height: 10px; width: 10px; background: black; }

  </style>
</head>
<!-- need a set timeout because we need things to start after painting suppression ends -->
<body onload="setTimeout(run_test, 0)">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
<div id="display" style="position: absolute; top: 0; left: 0; width: 300px; height: 300px">

  <div id="one"></div>
  <div id="two" style="pointer-events: visiblePainted;"></div>
  <div id="three" style="height: 20px; pointer-events: none;">
    <div id="four"style="margin-top: 10px;"></div>
  </div>
  <a id="five" style="pointer-events: none;" href="http://mozilla.org/">link</a>
  <input id="six" style="pointer-events: none;" type="button" value="button" />
  <table>
    <tr style="pointer-events: none;">
      <td id="seven">no</td>
      <td id="eight" style="pointer-events: visiblePainted;">yes</td>
      <td id="nine" style="pointer-events: auto;">yes</td>
    </td>
    <tr style="opacity: 0.5; pointer-events: none;">
      <td id="ten">no</td>
      <td id="eleven" style="pointer-events: visiblePainted;">yes</td>
     <td id="twelve" style="pointer-events: auto;">yes</td>
    </td>
  </table>
  <iframe id="thirteen" style="pointer-events: none;" src="about:blank" width="100" height="100"></iframe>
  <script type="application/javascript">
    var iframe = document.getElementById("thirteen");
    iframe.contentDocument.open();
    iframe.contentDocument.writeln("<script type='application/javascript'>");
    iframe.contentDocument.writeln("document.addEventListener('mousedown', fail, false);");
    iframe.contentDocument.writeln("function fail() { parent.ok(false, 'thirteen: iframe content must not get pointer events with explicit none') }");
    iframe.contentDocument.writeln("<"+"/script>");
    iframe.contentDocument.close();
  </script>

</div>
<pre id="test">
<script type="application/javascript">

SimpleTest.expectAssertions(0, 1);

SimpleTest.waitForExplicitFinish();

function catches_pointer_events(element_id)
{
    // we just assume the element is on top here.
    var element = document.getElementById(element_id);
    var bounds = element.getBoundingClientRect();
    var point = { x: bounds.left + bounds.width/2, y: bounds.top + bounds.height/2 };
    return element == document.elementFromPoint(point.x, point.y);
}

function synthesizeMouseEvent(type,                // string
                              x,                   // float
                              y,                   // float
                              button,              // long
                              clickCount,          // long
                              modifiers,           // long
                              ignoreWindowBounds)  // boolean
{
  var utils = SpecialPowers.getDOMWindowUtils(window);
  utils.sendMouseEvent(type, x, y, button, clickCount,
                       modifiers, ignoreWindowBounds);
}

function run_test()
{
    ok(catches_pointer_events("one"), "one: div should default to catching pointer events");
    ok(catches_pointer_events("two"), "two: div should catch pointer events with explicit visiblePainted");
    ok(!catches_pointer_events("three"), "three: div should not catch pointer events with explicit none");
    ok(!catches_pointer_events("four"), "four: div should not catch pointer events with inherited none");
    ok(!catches_pointer_events("five"), "five: link should not catch pointer events with explicit none");
    ok(!catches_pointer_events("six"), "six: native-themed form control should not catch pointer events with explicit none");
    ok(!catches_pointer_events("seven"), "seven: td should not catch pointer events with inherited none");
    ok(catches_pointer_events("eight"), "eight: td should catch pointer events with explicit visiblePainted overriding inherited none");
    ok(catches_pointer_events("nine"), "nine: td should catch pointer events with explicit auto overriding inherited none");
    ok(!catches_pointer_events("ten"), "ten: td should not catch pointer events with inherited none");
    ok(catches_pointer_events("eleven"), "eleven: td should catch pointer events with explicit visiblePainted overriding inherited none");
    ok(catches_pointer_events("twelve"), "twelve: td should catch pointer events with explicit auto overriding inherited none");

    // elementFromPoint can't be used for iframe
    var iframe = document.getElementById("thirteen");
    iframe.parentNode.addEventListener('mousedown', handleIFrameClick);
    var bounds = iframe.getBoundingClientRect();
    var x = bounds.left + bounds.width/2;
    var y = bounds.top + bounds.height/2;
    synthesizeMouseEvent('mousedown', x, y, 0, 1, 0, true);
}

function handleIFrameClick()
{
    ok(true, "thirteen: iframe content must not get pointer events with explicit none");

    document.getElementById("display").style.display = "none";
    SimpleTest.finish();
}

</script>
</pre>
</body>
</html>