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LibWeb: Move "needs layout update" flag from DOM to layout tree

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This is in preparation for allowing anonymous boxes to retain their
intrinsic size cache across layouts.
This commit is contained in:
Andreas Kling 2025-04-18 20:40:14 +02:00 • committed by Andreas Kling
commit 3c15fec303
Notes: github-actions[bot] 2025-04-20 22:32:22 +00:00
11 changed files with 51 additions and 44 deletions
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7
Libraries/LibWeb/HTML/Navigable.cpp
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@ -42,6 +42,7 @@
#include <LibWeb/HTML/WindowProxy.h>
#include <LibWeb/Infra/Strings.h>
#include <LibWeb/Layout/Node.h>
#include <LibWeb/Layout/Viewport.h>
#include <LibWeb/Loader/GeneratedPagesLoader.h>
#include <LibWeb/Page/Page.h>
#include <LibWeb/Painting/Paintable.h>
@ -2165,7 +2166,8 @@ void finalize_a_cross_document_navigation(GC::Ref<Navigable> navigable, HistoryH
// AD-HOC: If we're inside a navigable container, let's trigger a relayout in the container document.
// This allows size negotiation between the containing document and SVG documents to happen.
if (auto container = navigable->container()) {
container->set_needs_layout_update(DOM::SetNeedsLayoutReason::FinalizeACrossDocumentNavigation);
if (auto layout_node = container->layout_node())
layout_node->set_needs_layout_update(DOM::SetNeedsLayoutReason::FinalizeACrossDocumentNavigation);
}
}
@ -2288,7 +2290,8 @@ void Navigable::set_viewport_size(CSSPixelSize size)
if (auto document = active_document()) {
// NOTE: Resizing the viewport changes the reference value for viewport-relative CSS lengths.
document->invalidate_style(DOM::StyleInvalidationReason::NavigableSetViewportSize);
document->set_needs_layout_update(DOM::SetNeedsLayoutReason::NavigableSetViewportSize);
if (auto layout_node = document->layout_node())
layout_node->set_needs_layout_update(DOM::SetNeedsLayoutReason::NavigableSetViewportSize);
}
if (auto document = active_document()) {