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LibWeb: Simplify PaintableBox::enclosing_stacking_context()

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This commit is contained in:
Andreas Kling 2023-08-28 10:48:07 +02:00
parent 6e3177e2fc
commit 6238860c6d
Notes: sideshowbarker 2024-07-17 11:06:06 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/6238860c6d
Pull-request: https://github.com/SerenityOS/serenity/pull/20823
1 changed files with 4 additions and 7 deletions
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11
Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
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@ -168,14 +168,11 @@ CSSPixelRect PaintableBox::absolute_paint_rect() const
StackingContext* PaintableBox::enclosing_stacking_context()
{
for (auto* ancestor = layout_box().parent(); ancestor; ancestor = ancestor->parent()) {
if (!is<Layout::Box>(ancestor))
continue;
auto& ancestor_box = static_cast<Layout::Box&>(const_cast<Layout::NodeWithStyle&>(*ancestor));
if (auto* ancestor_paintable_box = ancestor_box.paintable_box(); ancestor_paintable_box && ancestor_paintable_box->stacking_context())
return const_cast<StackingContext*>(ancestor_paintable_box->stacking_context());
for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
if (auto* stacking_context = ancestor->stacking_context_rooted_here())
return const_cast<StackingContext*>(stacking_context);
}
// We should always reach the Layout::Viewport stacking context.
// We should always reach the viewport's stacking context.
VERIFY_NOT_REACHED();
}