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LibWeb: Assign new m_viewport_size before resizing backing store

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Fixes bug when `resize_backing_stores_if_needed()` picks up previous
viewport size for allocation of new backing stores.

Fixes https://github.com/LadybirdBrowser/ladybird/issues/5336
This commit is contained in:
Aliaksandr Kalenik 2025-07-15 16:49:37 -04:00 • committed by Alexander Kalenik
commit 52e9dcd911
Notes: github-actions[bot] 2025-07-15 22:40:01 +00:00
1 changed files with 2 additions and 1 deletions
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3
Libraries/LibWeb/HTML/Navigable.cpp
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@ -2358,13 +2358,14 @@ void Navigable::set_viewport_size(CSSPixelSize size)
if (m_viewport_size == size)
return;
m_viewport_size = size;
if (!m_is_svg_page) {
m_backing_store_manager->restart_resize_timer();
m_backing_store_manager->resize_backing_stores_if_needed(Web::Painting::BackingStoreManager::WindowResizingInProgress::Yes);
m_pending_set_browser_zoom_request = false;
}
m_viewport_size = 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);