helper_fission_event_region_override.html

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<!DOCTYPE HTML>

<html>

<head>

  <meta charset="utf-8">

  <title>Ensure the event region override flags work properly</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script src="/tests/SimpleTest/paint_listener.js"></script>

  <script src="helper_fission_utils.js"></script>

  <script src="apz_test_utils.js"></script>

  <script src="apz_test_native_event_utils.js"></script>

  <script>

fission_subtest_init();

FissionTestHelper.startTestPromise

  .then(waitUntilApzStable)

  .then(loadOOPIFrame("testframe", "helper_fission_empty.html"))

  .then(waitUntilApzStable)

  .then(test)

  .then(FissionTestHelper.subtestDone, FissionTestHelper.subtestFailed);

// The actual test

let code_for_oopif_to_run = function() {

  document.body.innerHTML = '<div style="height: 5000px">scrollable content</div>';

  document.addEventListener("wheel", function(e) {

    dump(`OOPIF got wheel at ${e.clientX},${e.clientY}\n`);

    let result = { x: e.clientX, y: e.clientY };

    FissionTestHelper.fireEventInEmbedder("OOPIF:WheelData", result);

  }, { passive: true });

  document.addEventListener("scroll", function() {

    dump(`OOPIF got scroll to ${window.scrollX},${window.scrollY}\n`);

    let result = { x: window.scrollX, y: window.scrollY };

    FissionTestHelper.fireEventInEmbedder("OOPIF:Scrolled", result);

});

  dump("OOPIF registered wheel and scroll listeners\n");

  return true;

};

async function test() {

  let iframeElement = document.getElementById("testframe");

  let iframeResponse = await FissionTestHelper.sendToOopif(iframeElement, `(${code_for_oopif_to_run})()`);

  dump("OOPIF response: " + JSON.stringify(iframeResponse) + "\n");

  ok(iframeResponse, "code_for_oopif_to_run successfully installed");

  let wheeled = false;

  let scrolled = false;

  window.addEventListener("OOIF:WheelData", function listener(e) {

    dump("OOPIF:WheelData received with data: " + JSON.stringify(e.data) + "\n");

    wheeled = true;

});

  window.addEventListener("OOPIF:Scrolled", function listener(e) {

    dump("OOPIF:Scrolled received with data: " + JSON.stringify(e.data) + "\n");

    scrolled = true;

});

  await synthesizeNativeWheel(iframeElement, 10, 10, 0, -50);

  // Advance a bunch of frames. The only goal here is to ensure enough time

  // passes so that if the OOPIF does scroll, we find out about it via the

  // OOPIF:Scrolled messaging.

  // If we don't wait long enough we might end up finishing the test before

  // that scroll message gets received here, and so we might wrongly pass the

  // test.

  await SpecialPowers.promiseTimeout(0);

  var utils = SpecialPowers.getDOMWindowUtils(window);

  for (var i = 0; i < 5; i++) {

    utils.advanceTimeAndRefresh(16);

  utils.restoreNormalRefresh();

  await promiseOnlyApzControllerFlushed();

  ok(!wheeled, "OOPIF correctly did not get wheel event");

  ok(!scrolled, "OOPIF correctly did not scroll");

  </script>

</head>

<body>

<iframe id="testframe"></iframe>

</body>

</html>