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LibWeb: Compute display: contents as none for unusual elements

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https://drafts.csswg.org/css-display-3/#unbox-html specifies certain
elements that have their `display` style computed as `none` when
specified as `contents`.

This fixes at least one WPT test:
http://wpt.live/css/css-display/display-contents-suppression-dynamic-001.html
This commit is contained in:
Michael Watt
2024-11-08 20:14:37 +08:00
committed by Andreas Kling
parent eef9a53eec
commit 3b1d1d4582
31 changed files with 156 additions and 0 deletions
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4
Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@@ -135,6 +135,10 @@ void HTMLInputElement::adjust_computed_style(CSS::StyleProperties& style)
if (type_state() == TypeAttributeState::Hidden || type_state() == TypeAttributeState::SubmitButton || type_state() == TypeAttributeState::Button || type_state() == TypeAttributeState::ResetButton || type_state() == TypeAttributeState::ImageButton || type_state() == TypeAttributeState::Checkbox || type_state() == TypeAttributeState::RadioButton)
return;
// https://drafts.csswg.org/css-display-3/#unbox
if (style.display().is_contents())
style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::None)));
// AD-HOC: We rewrite `display: inline` to `display: inline-block`.
// This is required for the internal shadow tree to work correctly in layout.
if (style.display().is_inline_outside() && style.display().is_flow_inside())