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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/layers/apz/test/mochitest/helper_scroll_snap_not_resnap_during_panning.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/apz/test/mochitest/helper_scroll_snap_not_resnap_during_panning.html')
-rw-r--r-- | gfx/layers/apz/test/mochitest/helper_scroll_snap_not_resnap_during_panning.html | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/mochitest/helper_scroll_snap_not_resnap_during_panning.html b/gfx/layers/apz/test/mochitest/helper_scroll_snap_not_resnap_during_panning.html new file mode 100644 index 0000000000..f28a2f9396 --- /dev/null +++ b/gfx/layers/apz/test/mochitest/helper_scroll_snap_not_resnap_during_panning.html @@ -0,0 +1,93 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <title>Skip re-snapping during pan gesture</title> + <script src="apz_test_utils.js"></script> + <script src="apz_test_native_event_utils.js"></script> + <script src="/tests/SimpleTest/paint_listener.js"></script> + <style> + body { + margin: 0; + } + div { + position: absolute; + } + #scroller { + width: 100%; + height: 500px; + overflow-y: scroll; + scroll-snap-type: y mandatory; + } + .child { + width: 100%; + height: 100px; + background-color: blue; + scroll-snap-align: start; + } + </style> +</head> +<body> + <div id="scroller"> + <div class="child" style="top: 0px;"></div> + <div id="spacer" style="width: 100%; height: 2000px;"></div> + </div> + <script type="application/javascript"> + async function test() { + is(scroller.scrollTop, 0, "The initial snap point is at 0px"); + + let scrollEventPromise = waitForScrollEvent(scroller); + + // Start a pan gesture downward. + await promiseNativePanGestureEventAndWaitForObserver( + scroller, + 100, + 100, + 0, + -10, + 1 /* kCGScrollPhaseBegan */); + + await scrollEventPromise; + + ok(scroller.scrollTop > 0, "The pan-start should scroll"); + + // Expand the scrollable region during the panning. + spacer.style.height = "2200px"; + + isnot(scroller.scrollTop, 0, "Do not re-snap to the original 0px"); + let previousScrollPosition = scroller.scrollTop; + + scrollEventPromise = waitForScrollEvent(scroller); + // Finish the pan gesture now. + await promiseNativePanGestureEventAndWaitForObserver( + scroller, + 100, + 100, + 0, + 0 /* 0 velocity to avoid further scrolling by this event */, + 4 /* kCGScrollPhaseEnd */); + + await scrollEventPromise; + + // Make sure the new scroll positions have reached to the main-thread. + await promiseApzFlushedRepaints(); + + // There's no good way to tell whether the snapping has finished, has + // reached to the snap destination, so we just check whether the current + // scroll position is a bit scrolled back toward the snap destination. + ok(scroller.scrollTop < previousScrollPosition, + "The pan-end should trigger snapping toward 0px"); + } + + if (getPlatform() == "mac") { + waitUntilApzStable() + .then(test) + .then(subtestDone, subtestFailed); + } else { + ok(true, "Skipping test because this test works only on mac"); + subtestDone(); + } + </script> +</body> +</html> |