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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
| commit | 9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/layers/apz/test/reftest/frame-reconstruction-scroll-clamping.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-9e3c08db40b8916968b9f30096c7be3f00ce9647.tar.xz thunderbird-9e3c08db40b8916968b9f30096c7be3f00ce9647.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/apz/test/reftest/frame-reconstruction-scroll-clamping.html')
| -rw-r--r-- | gfx/layers/apz/test/reftest/frame-reconstruction-scroll-clamping.html | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/reftest/frame-reconstruction-scroll-clamping.html b/gfx/layers/apz/test/reftest/frame-reconstruction-scroll-clamping.html new file mode 100644 index 0000000000..479363f3fb --- /dev/null +++ b/gfx/layers/apz/test/reftest/frame-reconstruction-scroll-clamping.html @@ -0,0 +1,53 @@ +<html class="reftest-wait"> +<!-- +For bug 1266833; syncing the scroll offset to APZ properly when the scroll +position is clamped to a smaller value during a frame reconstruction. +--> +<script> + function run() { + document.body.scrollTop = document.body.scrollTopMax; + + // Let the scroll position propagate to APZ before we do the frame + // reconstruction. Ideally we would wait for flushApzRepaints here but + // we don't have access to DOMWindowUtils in a reftest, so we just wait + // 100ms to approximate it. With bug 1266833 fixed, this test should + // never fail regardless of what this timeout value is. + setTimeout(frameReconstruction, 100); + } + + function frameReconstruction() { + document.body.classList.toggle('noscroll'); + document.documentElement.classList.toggle('reconstruct-body'); + document.getElementById('spacer').style.height = '100%'; + document.documentElement.classList.remove('reftest-wait'); + } +</script> +<style> + html, body { + margin: 0; + padding: 0; + background-color: green; + } + + .noscroll { + overflow: hidden; + height: 100%; + } + + /* Toggling this on and off triggers a frame reconstruction on the <body> */ + html.reconstruct-body::before { + top: 0; + content: ''; + display: block; + height: 2px; + position: absolute; + width: 100%; + z-index: 99; + } +</style> +<body onload="setTimeout(run, 0)"> + <div id="spacer" style="height: 5000px"> + This is the top of the page. + </div> + This is the bottom of the page. +</body> |