1/*
2 * Copyright (C) 2014 Frédéric Wang (fred.wang@free.fr). 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#ifndef RenderMathMLToken_h
27#define RenderMathMLToken_h
28
29#if ENABLE(MATHML)
30
31#include "MathMLTextElement.h"
32#include "RenderMathMLBlock.h"
33#include "RenderText.h"
34
35namespace WebCore {
36
37class RenderMathMLToken : public RenderMathMLBlock {
38public:
39    RenderMathMLToken(Element&, PassRef<RenderStyle>);
40    RenderMathMLToken(Document&, PassRef<RenderStyle>);
41
42    MathMLTextElement& element() { return static_cast<MathMLTextElement&>(nodeForNonAnonymous()); }
43
44    virtual bool isRenderMathMLToken() const override final { return true; }
45    virtual bool isChildAllowed(const RenderObject&, const RenderStyle&) const override { return true; };
46    virtual void addChild(RenderObject* newChild, RenderObject* beforeChild) override;
47    virtual void updateTokenContent();
48    void updateFromElement() override;
49
50protected:
51    void createWrapperIfNeeded();
52
53private:
54    virtual const char* renderName() const override { return isAnonymous() ? "RenderMathMLToken (anonymous)" : "RenderMathMLToken"; }
55    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
56    virtual void updateStyle();
57
58    // This boolean indicates whether the token element contains some RenderElement descendants, other than the anonymous renderers created for layout purpose.
59    bool m_containsElement;
60};
61
62RENDER_OBJECT_TYPE_CASTS(RenderMathMLToken, isRenderMathMLToken())
63
64}
65
66#endif // ENABLE(MATHML)
67#endif // RenderMathMLToken_h
68