text: /*
   * 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 blink {
  
  class InlineFlowBox;
  class RenderLineBoxList {
  public:
      RenderLineBoxList()
          : m_firstLineBox(0)
          , m_lastLineBox(0)
      {
      }
  
  #if ENABLE(ASSERT)
      ~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);
  
      bool hitTest(RenderBoxModelObject*, const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) const;
      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;
  
  private:
  
      // 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;
  };
  
  
  #if !ENABLE(ASSERT)
  inline void RenderLineBoxList::checkConsistency() const
  {
  }
  #endif
  
  } // namespace blink
  
  #endif // RenderFlow_h
  