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LibWeb: Implement CSS 'contain' property

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This commit is contained in:
Psychpsyo 2025-01-18 20:39:26 +01:00 • committed by Sam Atkins
commit 67ed676831
Notes: github-actions[bot] 2025-01-28 11:25:39 +00:00
154 changed files with 4200 additions and 117 deletions
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16
Libraries/LibWeb/CSS/ComputedValues.h
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@ -66,6 +66,18 @@ struct ObjectPosition {
CSS::LengthPercentage offset_y { Percentage(50) };
};
// https://drafts.csswg.org/css-contain-2/#containment-types
struct Containment {
// FIXME: It'd be nice if this was a single-byte bitfield instead of some bools.
bool size_containment = false;
bool inline_size_containment = false;
bool layout_containment = false;
bool style_containment = false;
bool paint_containment = false;
bool is_empty() const { return !(size_containment || inline_size_containment || layout_containment || style_containment || paint_containment); }
};
class InitialValues {
public:
static AspectRatio aspect_ratio() { return AspectRatio { true, {} }; }
@ -172,6 +184,7 @@ public:
static CSS::WritingMode writing_mode() { return CSS::WritingMode::HorizontalTb; }
static CSS::UserSelect user_select() { return CSS::UserSelect::Auto; }
static CSS::Isolation isolation() { return CSS::Isolation::Auto; }
static CSS::Containment contain() { return {}; }
// https://www.w3.org/TR/SVG/geometry.html
static LengthPercentage cx() { return CSS::Length::make_px(0); }
@ -428,6 +441,7 @@ public:
CSS::WritingMode writing_mode() const { return m_inherited.writing_mode; }
CSS::UserSelect user_select() const { return m_noninherited.user_select; }
CSS::Isolation isolation() const { return m_noninherited.isolation; }
CSS::Containment const& contain() const { return m_noninherited.contain; }
CSS::LengthBox const& inset() const { return m_noninherited.inset; }
const CSS::LengthBox& margin() const { return m_noninherited.margin; }
@ -681,6 +695,7 @@ protected:
CSS::UnicodeBidi unicode_bidi { InitialValues::unicode_bidi() };
CSS::UserSelect user_select { InitialValues::user_select() };
CSS::Isolation isolation { InitialValues::isolation() };
CSS::Containment contain { InitialValues::contain() };
Optional<CSS::Transformation> rotate;
Optional<CSS::Transformation> translate;
@ -855,6 +870,7 @@ public:
void set_writing_mode(CSS::WritingMode value) { m_inherited.writing_mode = value; }
void set_user_select(CSS::UserSelect value) { m_noninherited.user_select = value; }
void set_isolation(CSS::Isolation value) { m_noninherited.isolation = value; }
void set_contain(CSS::Containment value) { m_noninherited.contain = move(value); }
void set_fill(SVGPaint value) { m_inherited.fill = move(value); }
void set_stroke(SVGPaint value) { m_inherited.stroke = move(value); }