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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/layers/apz/test/mochitest/test_touch_listeners_impacting_wheel.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/apz/test/mochitest/test_touch_listeners_impacting_wheel.html')
| -rw-r--r-- | gfx/layers/apz/test/mochitest/test_touch_listeners_impacting_wheel.html | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/mochitest/test_touch_listeners_impacting_wheel.html b/gfx/layers/apz/test/mochitest/test_touch_listeners_impacting_wheel.html new file mode 100644 index 0000000000..71147d5238 --- /dev/null +++ b/gfx/layers/apz/test/mochitest/test_touch_listeners_impacting_wheel.html @@ -0,0 +1,119 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=1203140 +--> +<head> + <title>Test for Bug 1203140</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="/tests/SimpleTest/EventUtils.js"></script> + <script src="/tests/SimpleTest/paint_listener.js"></script> + <script type="application/javascript" src="apz_test_utils.js"></script> + <script type="application/javascript" src="apz_test_native_event_utils.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + <style> + </style> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1203140">Mozilla Bug 1203140</a> +<p id="display"></p> +<div id="content" style="overflow-y:scroll; height: 400px"> + <p>The box below has a touch listener and a passive wheel listener. With touch events disabled, APZ shouldn't wait for any listeners.</p> + <div id="box" style="width: 200px; height: 200px; background-color: blue"></div> + <div style="height: 1000px; width: 10px">Div to make 'content' scrollable</div> +</div> +<pre id="test"> +<script type="application/javascript"> + +const kResponseTimeoutMs = 2 * 60 * 1000; // 2 minutes + +function takeSnapshots(e) { + // Grab some snapshots, and make sure some of them are different (i.e. check + // the page is scrolling in the compositor, concurrently with this wheel + // listener running). + // Note that we want this function to take less time than the content response + // timeout, otherwise the scrolling will start even if we haven't returned, + // and that would invalidate purpose of the test. + var start = Date.now(); + var lastSnapshot = null; + var success = false; + + // Get the position of the 'content' div relative to the screen + var rect = rectRelativeToScreen(document.getElementById("content")); + + for (var i = 0; i < 10; i++) { + SpecialPowers.DOMWindowUtils.advanceTimeAndRefresh(16); + var snapshot = getSnapshot(rect); + // dump("Took snapshot " + snapshot + "\n"); // this might help with debugging + + if (lastSnapshot && lastSnapshot != snapshot) { + ok(true, "Found some different pixels in snapshot " + i + " compared to previous"); + success = true; + } + lastSnapshot = snapshot; + } + ok(success, "Found some snapshots that were different"); + ok((Date.now() - start) < kResponseTimeoutMs, "Snapshotting ran quickly enough"); + + // Until now, no scroll events will have been dispatched to content. That's + // because scroll events are dispatched on the main thread, which we've been + // hogging with the code above. At this point we restore the normal refresh + // behaviour and let the main thread go back to C++ code, so the scroll events + // fire and we unwind from the main test continuation. + SpecialPowers.DOMWindowUtils.restoreNormalRefresh(); +} + +async function test() { + var box = document.getElementById("box"); + + // Ensure the div is layerized by scrolling it + await promiseMoveMouseAndScrollWheelOver(box, 10, 10); + + box.addEventListener("touchstart", function(e) { + ok(false, "This should never be run"); + }); + box.addEventListener("wheel", takeSnapshots, { capture: false, passive: true }); + + // Let the event regions and layerization propagate to the APZ + await promiseAllPaintsDone(); + await promiseOnlyApzControllerFlushed(); + + await promiseNativeMouseEventWithAPZAndWaitForEvent({ + type: "mousemove", + target: box, + offsetX: 10, + offsetY: 10, + }); + + // Take over control of the refresh driver and compositor + var utils = SpecialPowers.DOMWindowUtils; + utils.advanceTimeAndRefresh(0); + + // Trigger an APZ scroll using a wheel event. If APZ is waiting for a + // content response, it will wait for takeSnapshots to finish running before + // it starts scrolling, which will cause the checks in takeSnapshots to fail. + await promiseNativeWheelAndWaitForScrollEvent(box, 10, 10, 0, -50); +} + +if (isApzEnabled()) { + SimpleTest.waitForExplicitFinish(); + // Disable touch events, so that APZ knows not to wait for touch listeners. + // Also explicitly set the content response timeout, so we know how long it + // is (see comment in takeSnapshots). + // Finally, enable smooth scrolling, so that the wheel-scroll we do as part + // of the test triggers an APZ animation rather than doing an instant scroll. + // Note that this pref doesn't work for the synthesized wheel events on OS X, + // those are hard-coded to be instant scrolls. + pushPrefs([["dom.w3c_touch_events.enabled", 0], + ["apz.content_response_timeout", kResponseTimeoutMs], + ["general.smoothscroll", true]]) + .then(waitUntilApzStable) + .then(test) + .then(SimpleTest.finish, SimpleTest.finishWithFailure); +} + +</script> +</pre> + +</body> +</html> |