1/*
2 * Copyright (C) 2011 Google Inc. 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef CSSAspectRatioValue_h
30#define CSSAspectRatioValue_h
31
32#include "core/css/CSSValue.h"
33
34namespace blink {
35
36class CSSAspectRatioValue : public CSSValue {
37public:
38    static PassRefPtrWillBeRawPtr<CSSAspectRatioValue> create(float numeratorValue, float denominatorValue)
39    {
40        return adoptRefWillBeNoop(new CSSAspectRatioValue(numeratorValue, denominatorValue));
41    }
42
43    String customCSSText() const;
44
45    float numeratorValue() const { return m_numeratorValue; }
46    float denominatorValue() const { return m_denominatorValue; }
47
48    bool equals(const CSSAspectRatioValue&) const;
49
50    void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(visitor); }
51
52private:
53    CSSAspectRatioValue(float numeratorValue, float denominatorValue)
54        : CSSValue(AspectRatioClass)
55        , m_numeratorValue(numeratorValue)
56        , m_denominatorValue(denominatorValue)
57    {
58    }
59
60    float m_numeratorValue;
61    float m_denominatorValue;
62};
63
64DEFINE_CSS_VALUE_TYPE_CASTS(CSSAspectRatioValue, isAspectRatioValue());
65
66}
67
68#endif
69