gfx/layers/apz/test/mochitest/helper_scroll_over_subframe_child.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <script src="/tests/SimpleTest/SimpleTest.js"></script>
   5 <script src="/tests/SimpleTest/paint_listener.js"></script>
   6 <script src="apz_test_utils.js"></script>
   7 <style>
   8 body {
   9   margin: 0px;
  10 }
  11
  12 #target {
  13   width: 100%;
  14   height: 100vh;
  15   background: blue;
  16   overflow: scroll;
  17 }
  18 </style>
  19 </head>
  20 <body>
  21 <div id="target">
  22 </div>
  23 </body>
  24 <script>
  25   window.addEventListener("wheel", () => {
  26     window.parent.postMessage("child-received-wheel-event", "*");
  27   });
  28 </script>
  29 </html>