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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 AnimationValue_h | |
28 #define AnimationValue_h | |
29 | |
30 #include "core/platform/animation/TimingFunction.h" | |
31 #include "platform/graphics/filters/FilterOperations.h" | |
32 #include "platform/transforms/TransformOperations.h" | |
33 | |
34 #include "wtf/PassRefPtr.h" | |
35 #include "wtf/RefPtr.h" | |
36 | |
37 namespace WebCore { | |
38 | |
39 // Base class for animation values (also used for transitions). Here to | |
40 // represent values for properties being animated via the GraphicsLayer, | |
41 // without pulling in style-related data from outside of the platform directory. | |
42 class AnimationValue { | |
43 WTF_MAKE_FAST_ALLOCATED; | |
44 public: | |
45 explicit AnimationValue(double keyTime, PassRefPtr<TimingFunction> timingFun
ction = 0) | |
46 : m_keyTime(keyTime) | |
47 , m_timingFunction(timingFunction) | |
48 { | |
49 } | |
50 | |
51 virtual ~AnimationValue() { } | |
52 | |
53 double keyTime() const { return m_keyTime; } | |
54 const TimingFunction* timingFunction() const { return m_timingFunction.get()
; } | |
55 virtual PassOwnPtr<AnimationValue> clone() const = 0; | |
56 | |
57 private: | |
58 double m_keyTime; | |
59 RefPtr<TimingFunction> m_timingFunction; | |
60 }; | |
61 | |
62 // Used to store one float value of an animation. | |
63 class FloatAnimationValue : public AnimationValue { | |
64 public: | |
65 FloatAnimationValue(double keyTime, float value, PassRefPtr<TimingFunction>
timingFunction = 0) | |
66 : AnimationValue(keyTime, timingFunction) | |
67 , m_value(value) | |
68 { | |
69 } | |
70 virtual PassOwnPtr<AnimationValue> clone() const OVERRIDE { return adoptPtr(
new FloatAnimationValue(*this)); } | |
71 | |
72 float value() const { return m_value; } | |
73 | |
74 private: | |
75 float m_value; | |
76 }; | |
77 | |
78 // Used to store one transform value in a keyframe list. | |
79 class TransformAnimationValue : public AnimationValue { | |
80 public: | |
81 explicit TransformAnimationValue(double keyTime, const TransformOperations*
value = 0, PassRefPtr<TimingFunction> timingFunction = 0) | |
82 : AnimationValue(keyTime, timingFunction) | |
83 { | |
84 if (value) | |
85 m_value = *value; | |
86 } | |
87 virtual PassOwnPtr<AnimationValue> clone() const OVERRIDE { return adoptPtr(
new TransformAnimationValue(*this)); } | |
88 | |
89 const TransformOperations* value() const { return &m_value; } | |
90 | |
91 private: | |
92 TransformOperations m_value; | |
93 }; | |
94 | |
95 // Used to store one filter value in a keyframe list. | |
96 class FilterAnimationValue : public AnimationValue { | |
97 public: | |
98 explicit FilterAnimationValue(double keyTime, const FilterOperations* value
= 0, PassRefPtr<TimingFunction> timingFunction = 0) | |
99 : AnimationValue(keyTime, timingFunction) | |
100 { | |
101 if (value) | |
102 m_value = *value; | |
103 } | |
104 virtual PassOwnPtr<AnimationValue> clone() const OVERRIDE { return adoptPtr(
new FilterAnimationValue(*this)); } | |
105 | |
106 const FilterOperations* value() const { return &m_value; } | |
107 | |
108 private: | |
109 FilterOperations m_value; | |
110 }; | |
111 | |
112 } // namespace WebCore | |
113 | |
114 #endif // AnimationValue_h | |
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