83 lines
2.8 KiB
C++
83 lines
2.8 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 "LayoutInitialContainingBlock.h"
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#include <wtf/HashMap.h>
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#include <wtf/Vector.h>
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namespace WebCore {
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class RenderBlockFlow;
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class RenderBoxModelObject;
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namespace LayoutIntegration {
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class BoxTree {
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public:
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BoxTree(RenderBlockFlow&);
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void updateStyle(const RenderBoxModelObject&);
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const RenderBlockFlow& flow() const { return m_flow; }
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RenderBlockFlow& flow() { return m_flow; }
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const Layout::InitialContainingBlock& rootLayoutBox() const { return m_root; }
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Layout::InitialContainingBlock& rootLayoutBox() { return m_root; }
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const Layout::Box& layoutBoxForRenderer(const RenderObject&) const;
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Layout::Box& layoutBoxForRenderer(const RenderObject&);
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const RenderObject& rendererForLayoutBox(const Layout::Box&) const;
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RenderObject& rendererForLayoutBox(const Layout::Box&);
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size_t boxCount() const { return m_boxes.size(); }
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struct BoxAndRenderer {
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std::unique_ptr<Layout::Box> box;
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RenderObject* renderer { nullptr };
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};
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const auto& boxAndRendererList() const { return m_boxes; }
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private:
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void buildTree();
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void appendChild(std::unique_ptr<Layout::Box>, RenderObject&);
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RenderBlockFlow& m_flow;
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Layout::InitialContainingBlock m_root;
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Vector<BoxAndRenderer, 1> m_boxes;
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HashMap<const RenderObject*, Layout::Box*> m_rendererToBoxMap;
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HashMap<const Layout::Box*, RenderObject*> m_boxToRendererMap;
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};
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}
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}
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#endif
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