1/*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef KeyframeValueList_h
28#define KeyframeValueList_h
29
30#include "platform/animation/AnimationValue.h"
31
32#include "wtf/OwnPtr.h"
33#include "wtf/PassOwnPtr.h"
34#include "wtf/Vector.h"
35
36namespace blink {
37
38enum AnimatedPropertyID {
39    AnimatedPropertyInvalid,
40    AnimatedPropertyTransform,
41    AnimatedPropertyOpacity,
42    AnimatedPropertyBackgroundColor,
43    AnimatedPropertyWebkitFilter
44};
45
46// Used to store a series of values in a keyframe list.
47// Values will all be of the same type, which can be inferred from the property.
48class PLATFORM_EXPORT KeyframeValueList {
49public:
50    explicit KeyframeValueList(AnimatedPropertyID property)
51        : m_property(property)
52    {
53    }
54
55    KeyframeValueList(const KeyframeValueList& other)
56        : m_property(other.property())
57    {
58        for (size_t i = 0; i < other.m_values.size(); ++i)
59            m_values.append(other.m_values[i]->clone());
60    }
61
62    KeyframeValueList& operator=(const KeyframeValueList& other)
63    {
64        KeyframeValueList copy(other);
65        swap(copy);
66        return *this;
67    }
68
69    void swap(KeyframeValueList& other)
70    {
71        std::swap(m_property, other.m_property);
72        m_values.swap(other.m_values);
73    }
74
75    AnimatedPropertyID property() const { return m_property; }
76
77    size_t size() const { return m_values.size(); }
78    const AnimationValue* at(size_t i) const { return m_values.at(i).get(); }
79
80    // Insert, sorted by keyTime.
81    void insert(PassOwnPtr<const AnimationValue>);
82
83protected:
84    Vector<OwnPtr<const AnimationValue> > m_values;
85    AnimatedPropertyID m_property;
86};
87
88} // namespace blink
89
90#endif // KeyframeValueList_h
91