1/*
2 * Copyright (C) 2007, 2008, 2012 Apple 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 * 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 APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * 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 CSSTimingFunctionValue_h
27#define CSSTimingFunctionValue_h
28
29#include "CSSValue.h"
30#include <wtf/PassRefPtr.h>
31
32namespace WebCore {
33
34class CSSLinearTimingFunctionValue : public CSSValue {
35public:
36    static PassRefPtr<CSSLinearTimingFunctionValue> create()
37    {
38        return adoptRef(new CSSLinearTimingFunctionValue);
39    }
40
41    String customCssText() const;
42
43    bool equals(const CSSLinearTimingFunctionValue&) const { return true; }
44
45private:
46    CSSLinearTimingFunctionValue()
47        : CSSValue(LinearTimingFunctionClass)
48    {
49    }
50};
51
52class CSSCubicBezierTimingFunctionValue : public CSSValue {
53public:
54    static PassRefPtr<CSSCubicBezierTimingFunctionValue> create(double x1, double y1, double x2, double y2)
55    {
56        return adoptRef(new CSSCubicBezierTimingFunctionValue(x1, y1, x2, y2));
57    }
58
59    String customCssText() const;
60
61    double x1() const { return m_x1; }
62    double y1() const { return m_y1; }
63    double x2() const { return m_x2; }
64    double y2() const { return m_y2; }
65
66    bool equals(const CSSCubicBezierTimingFunctionValue&) const;
67
68private:
69    CSSCubicBezierTimingFunctionValue(double x1, double y1, double x2, double y2)
70        : CSSValue(CubicBezierTimingFunctionClass)
71        , m_x1(x1)
72        , m_y1(y1)
73        , m_x2(x2)
74        , m_y2(y2)
75    {
76    }
77
78    double m_x1;
79    double m_y1;
80    double m_x2;
81    double m_y2;
82};
83
84class CSSStepsTimingFunctionValue : public CSSValue {
85public:
86    static PassRefPtr<CSSStepsTimingFunctionValue> create(int steps, bool stepAtStart)
87    {
88        return adoptRef(new CSSStepsTimingFunctionValue(steps, stepAtStart));
89    }
90
91    int numberOfSteps() const { return m_steps; }
92    bool stepAtStart() const { return m_stepAtStart; }
93
94    String customCssText() const;
95
96    bool equals(const CSSStepsTimingFunctionValue&) const;
97
98private:
99    CSSStepsTimingFunctionValue(int steps, bool stepAtStart)
100        : CSSValue(StepsTimingFunctionClass)
101        , m_steps(steps)
102        , m_stepAtStart(stepAtStart)
103    {
104    }
105
106    int m_steps;
107    bool m_stepAtStart;
108};
109
110} // namespace
111
112#endif
113