tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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helper_wide_crossorigin_iframe_child.html (1925B)

      1 <!DOCTYPE html>
      2 <html id="helper_wide_crossorigin_iframe_child_docelement">
      3 <meta charset=utf-8>
      4  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      5  <script src="apz_test_utils.js"></script>
      6  <script src="apz_test_native_event_utils.js"></script>
      7 <style>
      8 html {
      9    border: 5px solid lime;
     10    background: yellow;
     11    box-sizing: border-box;
     12    overflow-y: scroll;
     13 }
     14 </style>
     15 <script>
     16  // negative means keep sending forever
     17  // we flip this to 10 when we hit onload, so that we send several
     18  // before load and some after.
     19  let numMoreTimesToSend = -1;
     20  function sendDpToParent() {
     21    if (numMoreTimesToSend > 0) {
     22      numMoreTimesToSend--;
     23    }
     24    if (numMoreTimesToSend == 0) {
     25      clearInterval(intervalId);
     26      parent.postMessage("wereDone", "*");
     27      return;
     28    }
     29    let dp = getLastContentDisplayportFor(
     30      "helper_wide_crossorigin_iframe_child_docelement",
     31      { expectPainted: false }
     32    );
     33    if (dp != null) {
     34      info("result " + dp.x + " " + dp.y + " " + dp.width + " " + dp.height);
     35 
     36      parent.postMessage(dp, "*");
     37    } else {
     38      info("no dp yet");
     39    }
     40  }
     41 
     42  sendDpToParent();
     43  setTimeout(sendDpToParent,0);
     44 
     45  let intervalId = setInterval(sendDpToParent, 100);
     46 
     47  addEventListener("MozAfterPaint", sendAndSetTimeout);
     48  function sendAndSetTimeout() {
     49    sendDpToParent();
     50    setTimeout(sendDpToParent,0);
     51  }
     52 
     53  window.requestAnimationFrame(checkAndSendRaf);
     54  function checkAndSendRaf() {
     55    if (numMoreTimesToSend != 0) {
     56      window.requestAnimationFrame(checkAndSendRaf);
     57    }
     58    sendDpToParent();
     59    setTimeout(sendDpToParent,0);
     60  }
     61 
     62  window.onload = onloaded;
     63  window.onDOMContentLoaded = sendDpToParent;
     64  document.onreadystatechange = sendDpToParent;
     65  document.onvisibilitychange = sendDpToParent;
     66  function onloaded() {
     67    numMoreTimesToSend = 10;
     68    sendDpToParent();
     69  }
     70 
     71 </script>
     72 <div style="background: blue; height: 400vh;"></div>