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9f541c363d
For a while we used the wider Paintable type for stacking context, because it was allowed to be created by InlinePaintable and PaintableBox. Now, when InlinePaintable type is gone, we can use more specific PaintableBox type for a stacking context.
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Vector.h>
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#include <LibGfx/Matrix4x4.h>
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#include <LibWeb/Painting/Paintable.h>
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namespace Web::Painting {
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class StackingContext {
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friend class ViewportPaintable;
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public:
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StackingContext(PaintableBox&, StackingContext* parent, size_t index_in_tree_order);
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StackingContext* parent() { return m_parent; }
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StackingContext const* parent() const { return m_parent; }
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PaintableBox const& paintable_box() const { return *m_paintable; }
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enum class StackingContextPaintPhase {
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BackgroundAndBorders,
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Floats,
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BackgroundAndBordersForInlineLevelAndReplaced,
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Foreground,
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FocusAndOverlay,
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};
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static void paint_node_as_stacking_context(Paintable const&, PaintContext&);
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static void paint_descendants(PaintContext&, Paintable const&, StackingContextPaintPhase);
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static void paint_svg(PaintContext&, PaintableBox const&, PaintPhase);
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void paint(PaintContext&) const;
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[[nodiscard]] TraversalDecision hit_test(CSSPixelPoint, HitTestType, Function<TraversalDecision(HitTestResult)> const& callback) const;
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Gfx::AffineTransform affine_transform_matrix() const;
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void dump(int indent = 0) const;
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void sort();
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void set_last_paint_generation_id(u64 generation_id);
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private:
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GC::Ref<PaintableBox> m_paintable;
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StackingContext* const m_parent { nullptr };
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Vector<StackingContext*> m_children;
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size_t m_index_in_tree_order { 0 };
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Optional<u64> m_last_paint_generation_id;
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Vector<GC::Ref<PaintableBox const>> m_positioned_descendants_and_stacking_contexts_with_stack_level_0;
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Vector<GC::Ref<PaintableBox const>> m_non_positioned_floating_descendants;
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static void paint_child(PaintContext&, StackingContext const&);
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void paint_internal(PaintContext&) const;
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};
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}
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