/*
* Copyright (C) 2009 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
*/
#ifndef RenderLineBoxList_h
#define RenderLineBoxList_h
#include "core/rendering/RenderObject.h"
namespace WebCore {
class RenderLineBoxList {
public:
RenderLineBoxList()
: m_firstLineBox(0)
, m_lastLineBox(0)
{
}
#ifndef NDEBUG
~RenderLineBoxList();
#endif
InlineFlowBox* firstLineBox() const { return m_firstLineBox; }
InlineFlowBox* lastLineBox() const { return m_lastLineBox; }
void checkConsistency() const;
void appendLineBox(InlineFlowBox*);
void deleteLineBoxTree();
void deleteLineBoxes();
void extractLineBox(InlineFlowBox*);
void attachLineBox(InlineFlowBox*);
void removeLineBox(InlineFlowBox*);
void dirtyLineBoxes();
void dirtyLinesFromChangedChild(RenderObject* parent, RenderObject* child);
void paint(RenderBoxModelObject*, PaintInfo&, const LayoutPoint&) const;
bool hitTest(RenderBoxModelObject*, const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) const;
private:
bool anyLineIntersectsRect(RenderBoxModelObject*, const LayoutRect&, const LayoutPoint&) const;
bool lineIntersectsDirtyRect(RenderBoxModelObject*, InlineFlowBox*, const PaintInfo&, const LayoutPoint&) const;
bool rangeIntersectsRect(RenderBoxModelObject*, LayoutUnit logicalTop, LayoutUnit logicalBottom, const LayoutRect&, const LayoutPoint&) const;
// For block flows, each box represents the root inline box for a line in the
// paragraph.
// For inline flows, each box represents a portion of that inline.
InlineFlowBox* m_firstLineBox;
InlineFlowBox* m_lastLineBox;
};
#ifdef NDEBUG
inline void RenderLineBoxList::checkConsistency() const
{
}
#endif
} // namespace WebCore
#endif // RenderFlow_h