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/*
* Copyright (C) 2020 Apple Inc. 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "LayoutSize.h"
#include <wtf/IsoMalloc.h>
namespace WebCore {
class FloatPoint3D;
class RenderStyle;
class TransformationMatrix;
namespace Layout {
class Box;
class BoxGeometry;
class ElementBox;
struct Run;
}
namespace InlineDisplay {
struct Box;
class Line;
}
namespace Display {
class Box;
class BoxDecorationData;
class BoxModelBox;
class BoxRareGeometry;
class ContainerBox;
class Style;
class TreeBuilder;
enum class RootBackgroundPropagation : uint8_t {
None,
BodyToRoot,
};
struct ContainingBlockContext {
const Display::ContainerBox& box;
LayoutSize offsetFromRoot;
};
class BoxFactory {
public:
BoxFactory(TreeBuilder&, float pixelSnappingFactor);
static RootBackgroundPropagation determineRootBackgroundPropagation(const Layout::ElementBox& rootLayoutBox);
std::unique_ptr<ContainerBox> displayBoxForRootBox(const Layout::ElementBox&, const Layout::BoxGeometry&, RootBackgroundPropagation) const;
std::unique_ptr<Box> displayBoxForBodyBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, RootBackgroundPropagation) const;
std::unique_ptr<Box> displayBoxForLayoutBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&) const;
std::unique_ptr<Box> displayBoxForTextRun(const InlineDisplay::Box&, const InlineDisplay::Line&, const ContainingBlockContext&) const;
private:
std::unique_ptr<Box> displayBoxForLayoutBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, const RenderStyle* styleForBackground, Style&&) const;
void setupBoxGeometry(BoxModelBox&, const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&) const;
void setupBoxModelBox(BoxModelBox&, const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, const RenderStyle* styleForBackground) const;
std::unique_ptr<BoxDecorationData> constructBoxDecorationData(const Layout::Box&, const Layout::BoxGeometry&, const RenderStyle* styleForBackground, LayoutSize offsetFromRoot) const;
std::unique_ptr<BoxRareGeometry> constructBoxRareGeometry(const BoxModelBox& box, const Layout::Box&, const Layout::BoxGeometry&, LayoutSize offsetFromRoot) const;
FloatPoint3D computeTransformOrigin(const BoxModelBox&, const Layout::BoxGeometry&, const RenderStyle&, LayoutSize offsetFromRoot) const;
TransformationMatrix computeTransformationMatrix(const BoxModelBox&, const Layout::BoxGeometry&, const RenderStyle&, LayoutSize offsetFromRoot) const;
static const Layout::ElementBox* documentElementBoxFromRootBox(const Layout::ElementBox& rootLayoutBox);
static const Layout::Box* bodyBoxFromRootBox(const Layout::ElementBox& rootLayoutBox);
TreeBuilder& m_treeBuilder;
float m_pixelSnappingFactor { 1 };
};
} // namespace Display
} // namespace WebCore
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