1 /*

     2  * Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    14  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    15  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    16  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    17  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    18  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    19  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    24  */

    25 

    26 

    27 #ifndef RenderMathMLUnderOver_h

    28 #define RenderMathMLUnderOver_h

    29 

    30 #if ENABLE(MATHML)

    31 

    32 #include "RenderMathMLBlock.h"

    33 

    34 namespace WebCore {

    35     

    36 class RenderMathMLUnderOver : public RenderMathMLBlock {

    37 public:

    38     RenderMathMLUnderOver(Node* expression);

    39     virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0);

    40     virtual void layout();

    41     virtual bool hasBase() const { return true; }

    42     virtual int nonOperatorHeight() const;

    43     virtual int baselinePosition(bool , bool) const;    

    44     virtual void stretchToHeight(int pixelHeight);

    45 private:

    46     enum UnderOverType { Under, Over, UnderOver };

    47     UnderOverType m_kind;

    48 };

    49     

    50 }

    51 

    52 #endif // ENABLE(MATHML)

    53 

    54 #endif // RenderMathMLUnderOver_h