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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/OwnPtr.h>
#include <LibGfx/FloatRect.h>
#include <LibWeb/Layout/LayoutNode.h>
#include <LibWeb/Painting/StackingContext.h>
namespace Web {
class LayoutBox : public LayoutNodeWithStyleAndBoxModelMetrics {
public:
const Gfx::FloatRect absolute_rect() const;
Gfx::FloatPoint effective_offset() const;
void set_offset(const Gfx::FloatPoint& offset);
void set_offset(float x, float y) { set_offset({ x, y }); }
const Gfx::FloatSize& size() const { return m_size; }
void set_size(const Gfx::FloatSize&);
void set_size(float width, float height) { set_size({ width, height }); }
void set_width(float width) { set_size(width, height()); }
void set_height(float height) { set_size(width(), height); }
float width() const { return m_size.width(); }
float height() const { return m_size.height(); }
float absolute_x() const { return absolute_rect().x(); }
float absolute_y() const { return absolute_rect().y(); }
Gfx::FloatPoint absolute_position() const { return absolute_rect().location(); }
virtual HitTestResult hit_test(const Gfx::IntPoint& absolute_position) const override;
virtual void set_needs_display() override;
bool is_body() const;
void set_containing_line_box_fragment(LineBoxFragment&);
bool establishes_stacking_context() const;
StackingContext* stacking_context() { return m_stacking_context; }
void set_stacking_context(NonnullOwnPtr<StackingContext> context) { m_stacking_context = move(context); }
StackingContext* enclosing_stacking_context();
virtual void paint(PaintContext&, PaintPhase) override;
protected:
LayoutBox(Document& document, const Node* node, NonnullRefPtr<StyleProperties> style)
: LayoutNodeWithStyleAndBoxModelMetrics(document, node, move(style))
{
}
virtual void did_set_rect() { }
private:
virtual bool is_box() const final { return true; }
enum class Edge {
Top,
Right,
Bottom,
Left,
};
void paint_border(PaintContext&, Edge, const Gfx::FloatRect&, CSS::PropertyID style_property_id, const BorderData&);
Gfx::FloatPoint m_offset;
Gfx::FloatSize m_size;
// Some boxes hang off of line box fragments. (inline-block, inline-table, replaced, etc)
WeakPtr<LineBoxFragment> m_containing_line_box_fragment;
OwnPtr<StackingContext> m_stacking_context;
};
template<>
ALWAYS_INLINE bool is<LayoutBox>(const LayoutNode& node)
{
return node.is_box();
}
}
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