92 lines
2.5 KiB
HTML
92 lines
2.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<script src="apz_test_utils.js"></script>
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<script src="apz_test_native_event_utils.js"></script>
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<script src="/tests/SimpleTest/EventUtils.js"></script>
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<script src="/tests/SimpleTest/paint_listener.js"></script>
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<style>
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html, body { margin: 0; }
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body {
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height: 10000px;
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}
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</style>
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<script>
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const searchParams = new URLSearchParams(location.search);
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async function test() {
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var scrollendCount = 0;
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function onScrollend() {
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scrollendCount += 1;
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}
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switch (searchParams.get("chrome-only")) {
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case "true":
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// Add chrome-only event listener.
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SpecialPowers.addChromeEventListener("scrollend", onScrollend, true);
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break;
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case "false":
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// Add document event listener.
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document.addEventListener("scrollend", onScrollend);
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break;
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default:
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ok(false, "Unsupported chrome-only value: " + searchParams.get("chrome-only"));
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break;
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}
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is(scrollendCount, 0, "A scrollend event should not be triggered yet");
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await promiseFrame();
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let wheelScrollTransformEndPromise = promiseTransformEnd();
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await promiseMoveMouseAndScrollWheelOver(document.scrollingElement, 100, 100);
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await wheelScrollTransformEndPromise;
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await promiseFrame();
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is(scrollendCount, 1, "A scrollend event should be triggered after user scroll");
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scrollendCount = 0;
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// Call the scrollTo function without behavior: smooth to trigger an instant
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// programatic scroll.
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scrollTo({ top: 500, left: 0 });
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// Ensure the refresh driver has ticked.
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await promiseFrame();
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// A scrollend event should be posted after the refresh driver has ticked.
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is(scrollendCount, 1, "A scrollend event should be triggered after instant scroll");
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// If smooth scrolls are enabled, repeat the test with a smooth scroll.
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if (SpecialPowers.getBoolPref("general.smoothScroll")) {
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scrollendCount = 0;
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let smoothScrollTransformEndPromise = promiseTransformEnd();
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// Call the scrollTo function with behavior: smooth to trigger a programmatic
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// scroll that should require some form of async transform.
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scrollTo({ top: 1000, left: 0, behavior: "smooth" });
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// Ensure the smooth scroll transform has finished.
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await smoothScrollTransformEndPromise;
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await promiseFrame();
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is(scrollendCount, 1, "A scrollend event should be triggered after smooth scroll");
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}
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}
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waitUntilApzStable()
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.then(test)
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.then(subtestDone, subtestFailed);
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</script>
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</head>
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<body>
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</body>
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</html>
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