8038824211
The computed `overflow` property values determine whether a box is a scroll container or not, so let's have a simple helper for asking this.
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*
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* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.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/OwnPtr.h>
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#include <LibGfx/Rect.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibWeb/Layout/Node.h>
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namespace Web::Layout {
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struct LineBoxFragmentCoordinate {
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size_t line_box_index { 0 };
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size_t fragment_index { 0 };
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};
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class Box : public NodeWithStyleAndBoxModelMetrics {
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JS_CELL(Box, NodeWithStyleAndBoxModelMetrics);
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public:
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Painting::PaintableBox const* paint_box() const;
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virtual void set_needs_display() override;
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bool is_body() const;
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virtual Optional<CSSPixels> intrinsic_width() const { return {}; }
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virtual Optional<CSSPixels> intrinsic_height() const { return {}; }
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virtual Optional<float> intrinsic_aspect_ratio() const { return {}; }
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bool has_intrinsic_width() const { return intrinsic_width().has_value(); }
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bool has_intrinsic_height() const { return intrinsic_height().has_value(); }
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bool has_intrinsic_aspect_ratio() const { return intrinsic_aspect_ratio().has_value(); }
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virtual ~Box() override;
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virtual void did_set_rect() { }
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virtual JS::GCPtr<Painting::Paintable> create_paintable() const override;
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bool is_scroll_container() const;
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bool is_scrollable() const;
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CSSPixelPoint scroll_offset() const { return m_scroll_offset; }
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void set_scroll_offset(CSSPixelPoint);
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protected:
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Box(DOM::Document&, DOM::Node*, NonnullRefPtr<CSS::StyleProperties>);
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Box(DOM::Document&, DOM::Node*, CSS::ComputedValues);
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private:
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virtual bool is_box() const final { return true; }
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CSSPixelPoint m_scroll_offset;
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};
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template<>
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inline bool Node::fast_is<Box>() const { return is_box(); }
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}
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