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LibWeb: Update style (if needed) before updating layout
Layout depends on style (and not the other way around), so if the document has dirty style when we enter update_layout(), make sure we call update_style() before proceeding with the layout work. This has the pleasant effect of coalescing some redundant layouts.
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@ -430,6 +430,8 @@ void Document::update_layout()
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if (!browsing_context())
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return;
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update_style();
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if (!m_layout_root) {
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Layout::TreeBuilder tree_builder;
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m_layout_root = static_ptr_cast<Layout::InitialContainingBlock>(tree_builder.build(*this));
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@ -468,6 +470,8 @@ void Document::update_style()
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{
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if (!browsing_context())
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return;
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if (!needs_style_update() && !child_needs_style_update())
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return;
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update_style_recursively(*this);
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set_needs_layout();
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}
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