tor-browser

The Tor Browser
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helper_fission_empty_clip.html (2357B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <meta charset="utf-8">
      5  <meta name="viewport" content="width=device-width,initial-scale=1">
      6  <title>Ensure an empty clip area on the top level document doesn't interfere OOPIFs hit-test</title>
      7  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      8  <script src="/tests/SimpleTest/paint_listener.js"></script>
      9  <script src="helper_fission_utils.js"></script>
     10  <script src="apz_test_utils.js"></script>
     11  <script src="apz_test_native_event_utils.js"></script>
     12  <script>
     13 async function test() {
     14  const iframe = document.getElementById("testframe");
     15  await setupCrossOriginIFrame(iframe, "helper_fission_plain.html");
     16  const remoteType = await SpecialPowers.spawn(iframe, [], async () => {
     17    return await SpecialPowers.spawnChrome([], () => {
     18      return windowGlobalParent.domProcess.remoteType;
     19    });
     20  });
     21  if (remoteType === "web") {
     22    is(SpecialPowers.effectiveIsolationStrategy(), SpecialPowers.ISOLATION_STRATEGY.IsolateHighValue);
     23    ok(true, "Skipping this test since the document on example.com got loaded in the same content process");
     24    return;
     25  }
     26 
     27  const oopifScrollerIds = await SpecialPowers.spawn(iframe, [], () => {
     28    const utils = SpecialPowers.getDOMWindowUtils(content.window);
     29    const result = {
     30      layersId: utils.getLayersId(),
     31      viewId: utils.getViewId(content.document.scrollingElement)
     32    };
     33    dump(`OOPIF computed IDs ${JSON.stringify(result)}\n`);
     34    return result;
     35  });
     36 
     37  checkHitResult(await hitTestOOPIF(centerOf(iframe), iframe),
     38                 APZHitResultFlags.VISIBLE,
     39                 oopifScrollerIds.viewId,
     40                 oopifScrollerIds.layersId,
     41                 "Hit testing on OOPIF covered by an empty clipped element");
     42 }
     43 
     44 if (!SpecialPowers.Services.appinfo.fissionAutostart) {
     45  ok(true, "This test doesn't need to run with disabling Fission");
     46  subtestDone();
     47 } else {
     48  waitUntilApzStable()
     49    .then(test)
     50    .then(subtestDone, subtestFailed);
     51 }
     52  </script>
     53 </head>
     54 <body>
     55 <style>
     56 html, body {
     57  margin: 0;
     58 }
     59 
     60 iframe {
     61  position: absolute;
     62  width: 300px;
     63  height: 200px;
     64 }
     65 
     66 #clip {
     67  position: absolute;
     68  top: 0;
     69  left: 0;
     70  width: 100%;
     71  height: 100%;
     72  z-index: 100;
     73  clip-path: polygon(0px 0px, 100% 0px, 100% 0%, 0px 0%);
     74  opacity: 0;
     75 }
     76 </style>
     77 <div id="clip"></div>
     78 <iframe id="testframe"></iframe>
     79 </body>
     80 </html>