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LibWeb: Evaluate @media CSS rules when updating style

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In case we have new @media rules, we need to make sure we've evaluated
them before actually recomputing styles for the document.
This commit is contained in:
Andreas Kling 2022-03-20 16:18:43 +01:00
parent 80ed2ab557
commit 618b857457
Notes: sideshowbarker 2024-07-17 17:03:07 +09:00
2 changed files with 8 additions and 0 deletions
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6
Userland/Libraries/LibWeb/DOM/Document.cpp
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@ -627,6 +627,7 @@ void Document::update_style()
return;
if (!needs_full_style_update() && !needs_style_update() && !child_needs_style_update())
return;
evaluate_media_rules();
if (update_style_recursively(*this))
invalidate_layout();
m_needs_full_style_update = false;
@ -1375,6 +1376,11 @@ void Document::evaluate_media_queries_and_report_changes()
}
// Also not in the spec, but this is as good a place as any to evaluate @media rules!
evaluate_media_rules();
}
void Document::evaluate_media_rules()
{
bool any_media_queries_changed_match_state = false;
for (auto& style_sheet : style_sheets().sheets()) {
if (style_sheet.evaluate_media_queries(window()))

2
Userland/Libraries/LibWeb/DOM/Document.h
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@ -345,6 +345,8 @@ private:
void tear_down_layout_tree();
void evaluate_media_rules();
ExceptionOr<void> run_the_document_write_steps(String);
void increment_referencing_node_count()