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77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/*
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* Copyright (C) 2007 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LayoutState_h
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#define LayoutState_h
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#include "platform/geometry/LayoutRect.h"
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#include "wtf/HashMap.h"
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#include "wtf/Noncopyable.h"
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namespace blink {
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class ForceHorriblySlowRectMapping;
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class RenderBox;
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class RenderObject;
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class RenderInline;
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class RenderView;
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class LayoutState {
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WTF_MAKE_NONCOPYABLE(LayoutState);
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public:
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// Constructor for root LayoutState created by RenderView
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explicit LayoutState(RenderView&);
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// Constructor for sub-tree Layout and RenderTableSections
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explicit LayoutState(RenderObject& root);
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LayoutState(RenderBox&, const LayoutSize& offset, bool containingBlockLogicalWidthChanged = false);
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LayoutState(RenderInline&);
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~LayoutState();
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const LayoutSize& layoutOffset() const { return m_layoutOffset; }
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bool containingBlockLogicalWidthChanged() const { return m_containingBlockLogicalWidthChanged; }
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LayoutState* next() const { return m_next; }
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RenderObject& renderer() const { return m_renderer; }
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private:
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friend class ForceHorriblySlowRectMapping;
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bool m_containingBlockLogicalWidthChanged : 1;
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LayoutState* m_next;
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// x/y offset from container. Does not include relative positioning or scroll offsets.
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LayoutSize m_layoutOffset;
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RenderObject& m_renderer;
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};
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} // namespace blink
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#endif // LayoutState_h
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