1/*
2 * Copyright (C) 2013 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef AnimatableRepeatable_h
32#define AnimatableRepeatable_h
33
34#include "core/animation/AnimatableValue.h"
35#include "wtf/Vector.h"
36
37namespace WebCore {
38
39// This class represents collections of values that animate in a repeated fashion as described by the CSS Transitions spec:
40// http://www.w3.org/TR/css3-transitions/#animtype-repeatable-list
41class AnimatableRepeatable : public AnimatableValue {
42public:
43    virtual ~AnimatableRepeatable() { }
44
45    // This will consume the vector passed into it.
46    static PassRefPtr<AnimatableRepeatable> create(Vector<RefPtr<AnimatableValue> >& values)
47    {
48        return adoptRef(new AnimatableRepeatable(values));
49    }
50
51    const Vector<RefPtr<AnimatableValue> >& values() const { return m_values; }
52
53protected:
54    AnimatableRepeatable()
55    {
56    }
57    AnimatableRepeatable(Vector<RefPtr<AnimatableValue> >& values)
58    {
59        ASSERT(!values.isEmpty());
60        m_values.swap(values);
61    }
62
63    static bool interpolateLists(const Vector<RefPtr<AnimatableValue> >& fromValues, const Vector<RefPtr<AnimatableValue> >& toValues, double fraction, Vector<RefPtr<AnimatableValue> >& interpolatedValues);
64
65    Vector<RefPtr<AnimatableValue> > m_values;
66
67private:
68    virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
69    virtual PassRefPtr<AnimatableValue> addWith(const AnimatableValue*) const OVERRIDE;
70
71    virtual AnimatableType type() const OVERRIDE { return TypeRepeatable; }
72    virtual bool equalTo(const AnimatableValue*) const OVERRIDE;
73};
74
75DEFINE_TYPE_CASTS(AnimatableRepeatable, AnimatableValue, value, (value->isRepeatable() || value->isStrokeDasharrayList()), (value.isRepeatable() || value.isStrokeDasharrayList()));
76
77} // namespace WebCore
78
79#endif // AnimatableRepeatable_h
80