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LibWeb: Force a full relayout if an element's CSS display changes

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Not doing this was causing the wrong kind of LayoutNode to stay around
even though we had the final "display" value.
This commit is contained in:
Andreas Kling
2020-06-15 17:52:08 +02:00
parent 308c3ccc44
commit d883607e8f
1 changed files with 5 additions and 1 deletions
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6
Libraries/LibWeb/DOM/Element.cpp
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@@ -169,6 +169,9 @@ static StyleDifference compute_style_difference(const StyleProperties& old_style
bool needs_repaint = false;
bool needs_relayout = false;
if (new_style.string_or_fallback(CSS::PropertyID::Display, "block") != old_style.string_or_fallback(CSS::PropertyID::Color, "block"))
needs_relayout = true;
if (new_style.color_or_fallback(CSS::PropertyID::Color, document, Color::Black) != old_style.color_or_fallback(CSS::PropertyID::Color, document, Color::Black))
needs_repaint = true;
else if (new_style.color_or_fallback(CSS::PropertyID::BackgroundColor, document, Color::Black) != old_style.color_or_fallback(CSS::PropertyID::BackgroundColor, document, Color::Black))
@@ -209,7 +212,8 @@ void Element::recompute_style()
return;
layout_node()->set_style(*style);
if (diff == StyleDifference::NeedsRelayout) {
ASSERT_NOT_REACHED();
document().force_layout();
return;
}
if (diff == StyleDifference::NeedsRepaint) {
layout_node()->set_needs_display();