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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/reftests/invalidation/layer-splitting-4.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.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 'layout/reftests/invalidation/layer-splitting-4.html')
| -rw-r--r-- | layout/reftests/invalidation/layer-splitting-4.html | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/layout/reftests/invalidation/layer-splitting-4.html b/layout/reftests/invalidation/layer-splitting-4.html new file mode 100644 index 0000000000..53af2eb90b --- /dev/null +++ b/layout/reftests/invalidation/layer-splitting-4.html @@ -0,0 +1,82 @@ +<!DOCTYPE html> +<html lang="en"> +<meta charset="utf-8"> +<title>The two items in the scroll box should share a layer, despite all the other stuff that's going on around them</title> + +<style> + +.content { + box-sizing: border-box; + width: 200px; + height: 200px; + border: 1px solid blue; + background: white; +} + +body { + margin: 0; + padding: 20px; + height: 3000px; +} + +.opacity { + opacity: 0.9; + width: 200px; + height: 200px; + background-color: yellow; + will-change: opacity; +} + +.overlap { + margin-top: -100px; +} + +.scrollable { + position: absolute; + top: 20px; + left: 240px; + width: 400px; + height: 400px; + border: 1px solid black; + overflow: auto; +} + +.scrollarea { + height: 800px; + padding: 40px; +} + +.low-z, .mid-z, .high-z { + position: relative; +} + +.low-z { z-index: 1; } +.mid-z { z-index: 2; } +.high-z { z-index: 3; } + +</style> + +<div class="content" reftest-assigned-layer="page-background"></div> +<div class="overlap opacity"></div> +<div class="overlap mid-z content" reftest-assigned-layer="on-top-of-opacity"> + <!-- + This item cannot merge into the page background layer because there's an + active container layer for the opacity in between. + --> +</div> + +<div class="scrollable"> + <div class="scrollarea"> + <div class="low-z content" reftest-assigned-layer="scrolled-content"></div> + <div class="high-z overlap content" reftest-assigned-layer="scrolled-content"></div> + </div> +</div> +<script> + +var scrollable = document.querySelector(".scrollable"); + +// Make .scrollable start out with active scrolling. +scrollable.scrollTop = 0; +scrollable.scrollTop = 20; + +</script> |