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/*
* Copyright (C) 2018 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 "LayoutElementBox.h"
#include <wtf/IsoMalloc.h>
namespace WebCore {
class RenderBlockFlow;
class RenderBox;
class RenderElement;
class RenderObject;
class RenderTable;
class RenderView;
namespace Layout {
class InitialContainingBlock;
class LayoutState;
class LayoutTree {
WTF_MAKE_ISO_ALLOCATED(LayoutTree);
public:
LayoutTree(std::unique_ptr<ElementBox>);
~LayoutTree() = default;
const ElementBox& root() const { return *m_root; }
private:
std::unique_ptr<ElementBox> m_root;
};
class TreeBuilder {
public:
static std::unique_ptr<Layout::LayoutTree> buildLayoutTree(const RenderView&);
private:
TreeBuilder();
void buildSubTree(const RenderElement& parentRenderer, ElementBox& parentContainer);
void buildTableStructure(const RenderTable& tableRenderer, ElementBox& tableWrapperBox);
std::unique_ptr<Box> createLayoutBox(const ElementBox& parentContainer, const RenderObject& childRenderer);
std::unique_ptr<Box> createReplacedBox(Box::ElementAttributes, ElementBox::ReplacedAttributes&&, RenderStyle&&);
std::unique_ptr<Box> createTextBox(String text, bool isCombined, bool canUseSimplifiedTextMeasuring, bool canUseSimpleFontCodePath, RenderStyle&&);
std::unique_ptr<ElementBox> createContainer(Box::ElementAttributes, RenderStyle&&);
};
#if ENABLE(TREE_DEBUGGING)
String layoutTreeAsText(const InitialContainingBlock&, const LayoutState*);
void showLayoutTree(const InitialContainingBlock&, const LayoutState*);
void showLayoutTree(const InitialContainingBlock&);
void showInlineTreeAndRuns(TextStream&, const LayoutState&, const ElementBox& inlineFormattingRoot, size_t depth);
void printLayoutTreeForLiveDocuments();
#endif
}
}
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