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LibWeb: Allow inline nodes to establish a stacking context

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With this change, a stacking context can be established by any
paintable, including inline paintables. The stacking context traversal
is updated to remove the assumption that the stacking context root is
paintable box.
This commit is contained in:
Aliaksandr Kalenik 2024-01-03 02:40:31 +01:00 • committed by Andreas Kling
parent 6c645f3a9f
commit 3cf5ad002a
12 changed files with 253 additions and 151 deletions
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18
Userland/Libraries/LibWeb/Painting/Paintable.h
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@ -54,8 +54,9 @@ class Paintable
JS_CELL(Paintable, Cell);
public:
virtual ~Paintable() = default;
virtual ~Paintable();
[[nodiscard]] bool is_visible() const;
[[nodiscard]] bool is_positioned() const;
[[nodiscard]] bool is_fixed_position() const { return layout_node().is_fixed_position(); }
[[nodiscard]] bool is_absolutely_positioned() const { return layout_node().is_absolutely_positioned(); }
@ -109,6 +110,13 @@ public:
return TraversalDecision::Continue;
}
StackingContext* stacking_context() { return m_stacking_context; }
StackingContext const* stacking_context() const { return m_stacking_context; }
void set_stacking_context(NonnullOwnPtr<StackingContext>);
StackingContext* enclosing_stacking_context();
void invalidate_stacking_context();
virtual void before_paint(PaintContext&, PaintPhase) const { }
virtual void after_paint(PaintContext&, PaintPhase) const { }
@ -171,8 +179,12 @@ public:
[[nodiscard]] virtual bool is_paintable_box() const { return false; }
[[nodiscard]] virtual bool is_paintable_with_lines() const { return false; }
[[nodiscard]] virtual bool is_inline_paintable() const { return false; }
StackingContext const* stacking_context_rooted_here() const;
DOM::Document const& document() const { return layout_node().document(); }
DOM::Document& document() { return layout_node().document(); }
PaintableBox const* nearest_scrollable_ancestor_within_stacking_context() const;
protected:
explicit Paintable(Layout::Node const&);
@ -184,6 +196,8 @@ private:
JS::NonnullGCPtr<Layout::Node const> m_layout_node;
JS::NonnullGCPtr<HTML::BrowsingContext> m_browsing_context;
Optional<JS::GCPtr<Layout::Box const>> mutable m_containing_block;
OwnPtr<StackingContext> m_stacking_context;
};
inline DOM::Node* HitTestResult::dom_node()