third_party/WebKit/LayoutTests/compositing/iframes/connect-compositing-iframe.html

   1 <!DOCTYPE html>
   2
   3 <html>
   4 <head>
   5   <script src="../../resources/run-after-layout-and-paint.js"></script>
   6   <style type="text/css" media="screen">
   7     iframe {
   8         border: 10px solid black;
   9         padding: 5px;
  10         margin: 20px;
  11         height: 150px;
  12         width: 300px;
  13         -webkit-box-shadow: 0 0 20px black;
  14         transform: translateZ(0);
  15     }
  16
  17     .overlay {
  18       position: absolute;
  19       width: 50px;
  20       height: 50px;
  21       top: 5px;
  22       left: 5px;
  23       background-color: rgba(0, 0, 0, 0.2);
  24     }
  25
  26   </style>
  27   <script type="text/javascript" charset="utf-8">
  28     if (window.testRunner) {
  29         testRunner.dumpAsText();
  30         testRunner.waitUntilDone();
  31     }
  32
  33     // Called from subframe.
  34     function testDone()
  35     {
  36       document.getElementById('parent-iframe').contentDocument.body.offsetWidth; // work around bug 41999.
  37
  38       if (window.testRunner) {
  39         runAfterLayoutAndPaint(function() {
  40           document.getElementById('layers').innerText = window.internals.layerTreeAsText(document);
  41           testRunner.notifyDone();
  42         });
  43       }
  44     }
  45   </script>
  46 </head>
  47 <body>
  48
  49     <!-- Test with already-composited iframe, and iframe contents becoming composited. -->
  50     <iframe id="parent-iframe" src="resources/enter-compositing-subframe.html"></iframe>
  51
  52     <div class="overlay">
  53     </div>
  54
  55     <pre id="layers">Layer tree appears here in DRT.</pre>
  56 </body>
  57 </html>