WebCore/RenderFlexibleBox.h

   1 /*
   2  * This file is part of the render object implementation for KHTML.
   3  *
   4  * Copyright (C) 2003 Apple Computer, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  *
  21  */
  22
  23 #ifndef RenderFlexibleBox_h
  24 #define RenderFlexibleBox_h
  25
  26 #include "RenderBlock.h"
  27
  28 namespace WebCore {
  29
  30 class RenderFlexibleBox : public RenderBlock {
  31 public:
  32     RenderFlexibleBox(Node*);
  33     virtual ~RenderFlexibleBox();
  34
  35     virtual const char* renderName() const;
  36
  37     virtual void calcPrefWidths();
  38     void calcHorizontalPrefWidths();
  39     void calcVerticalPrefWidths();
  40
  41     virtual void layoutBlock(bool relayoutChildren);
  42     void layoutHorizontalBox(bool relayoutChildren);
  43     void layoutVerticalBox(bool relayoutChildren);
  44
  45     virtual bool avoidsFloats() const { return true; }
  46
  47     virtual bool isFlexibleBox() const { return true; }
  48     virtual bool isFlexingChildren() const { return m_flexingChildren; }
  49     virtual bool isStretchingChildren() const { return m_stretchingChildren; }
  50
  51     void placeChild(RenderBox* child, int x, int y);
  52
  53 protected:
  54     int allowedChildFlex(RenderBox* child, bool expanding, unsigned group);
  55
  56     bool hasMultipleLines() const { return style()->boxLines() == MULTIPLE; }
  57     bool isVertical() const { return style()->boxOrient() == VERTICAL; }
  58     bool isHorizontal() const { return style()->boxOrient() == HORIZONTAL; }
  59
  60     bool m_flexingChildren : 1;
  61     bool m_stretchingChildren : 1;
  62 };
  63
  64 } // namespace WebCore
  65
  66 #endif // RenderFlexibleBox_h