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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /layout/reftests/css-animations/animation-on-empty-height-frame.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/reftests/css-animations/animation-on-empty-height-frame.html')
| -rw-r--r-- | layout/reftests/css-animations/animation-on-empty-height-frame.html | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/layout/reftests/css-animations/animation-on-empty-height-frame.html b/layout/reftests/css-animations/animation-on-empty-height-frame.html new file mode 100644 index 0000000000..8e91c50c53 --- /dev/null +++ b/layout/reftests/css-animations/animation-on-empty-height-frame.html @@ -0,0 +1,33 @@ +<!DOCTYPE html> +<html class="reftest-wait reftest-no-flush"> +<style> +@keyframes anim { + from { background-color: white; } + to { background-color: red; } +} +</style> +<body> +</body> +<script> +window.addEventListener('load', () => { + const body = document.querySelector('body'); + body.style.animation = 'anim 100s step-end reverse'; + body.addEventListener('animationstart', () => { + // This MozAfterPaint event corresponds to the white background paint. + // (The animation will initially paint the background red since it is playing + // a step-end animation in reverse.) + window.addEventListener('MozAfterPaint', () => { + // FIXME: Bug 1341294. We need to wait for one more frame in the case + // the MozAfterPaint we received is not the one what we were waiting for. + // Note that we can't just wait for one more MozAfterPaint since in the + // case where everything works correctly, we won't get another + // MozAfterPaint for a long time due to the step-end timing function + // applied to the animation. + requestAnimationFrame(() => { + document.documentElement.classList.remove('reftest-wait'); + }); + }, {once: true}); + }); +}); +</script> +</html> |