104 lines
4.2 KiB
C++
104 lines
4.2 KiB
C++
/*
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* Copyright (C) 2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
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#include "LayoutSize.h"
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#include <wtf/IsoMalloc.h>
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namespace WebCore {
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class FloatPoint3D;
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class RenderStyle;
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class TransformationMatrix;
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namespace Layout {
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class Box;
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class BoxGeometry;
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class ContainerBox;
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class LineGeometry;
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struct LineRun;
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}
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namespace Display {
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class Box;
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class BoxDecorationData;
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class BoxModelBox;
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class BoxRareGeometry;
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class ContainerBox;
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class Style;
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class TreeBuilder;
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enum class RootBackgroundPropagation : uint8_t {
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None,
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BodyToRoot,
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};
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struct ContainingBlockContext {
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const Display::ContainerBox& box;
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LayoutSize offsetFromRoot;
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};
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class BoxFactory {
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public:
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BoxFactory(TreeBuilder&, float pixelSnappingFactor);
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static RootBackgroundPropagation determineRootBackgroundPropagation(const Layout::ContainerBox& rootLayoutBox);
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std::unique_ptr<ContainerBox> displayBoxForRootBox(const Layout::ContainerBox&, const Layout::BoxGeometry&, RootBackgroundPropagation) const;
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std::unique_ptr<Box> displayBoxForBodyBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, RootBackgroundPropagation) const;
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std::unique_ptr<Box> displayBoxForLayoutBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&) const;
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std::unique_ptr<Box> displayBoxForTextRun(const Layout::LineRun&, const Layout::LineGeometry&, const ContainingBlockContext&) const;
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private:
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std::unique_ptr<Box> displayBoxForLayoutBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, const RenderStyle* styleForBackground, Style&&) const;
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void setupBoxGeometry(BoxModelBox&, const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&) const;
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void setupBoxModelBox(BoxModelBox&, const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, const RenderStyle* styleForBackground) const;
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std::unique_ptr<BoxDecorationData> constructBoxDecorationData(const Layout::Box&, const Layout::BoxGeometry&, const RenderStyle* styleForBackground, LayoutSize offsetFromRoot) const;
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std::unique_ptr<BoxRareGeometry> constructBoxRareGeometry(const BoxModelBox& box, const Layout::Box&, const Layout::BoxGeometry&, LayoutSize offsetFromRoot) const;
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FloatPoint3D computeTransformOrigin(const BoxModelBox&, const Layout::BoxGeometry&, const RenderStyle&, LayoutSize offsetFromRoot) const;
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TransformationMatrix computeTransformationMatrix(const BoxModelBox&, const Layout::BoxGeometry&, const RenderStyle&, LayoutSize offsetFromRoot) const;
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static const Layout::ContainerBox* documentElementBoxFromRootBox(const Layout::ContainerBox& rootLayoutBox);
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static const Layout::Box* bodyBoxFromRootBox(const Layout::ContainerBox& rootLayoutBox);
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TreeBuilder& m_treeBuilder;
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float m_pixelSnappingFactor { 1 };
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};
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} // namespace Display
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} // namespace WebCore
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#endif // ENABLE(LAYOUT_FORMATTING_CONTEXT)
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