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
34namespace WebCore {
35
36class RenderMathMLUnderOver : public RenderMathMLBlock {
37public:
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(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const;
44    virtual void stretchToHeight(int pixelHeight);
45private:
46    enum UnderOverType { Under, Over, UnderOver };
47    UnderOverType m_kind;
48};
49
50}
51
52#endif // ENABLE(MATHML)
53
54#endif // RenderMathMLUnderOver_h
55