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1 /*
2  * Copyright (C) 2009 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef AndroidAnimation_h
18 #define AndroidAnimation_h
19 
20 #if USE(ACCELERATED_COMPOSITING)
21 
22 #include "FloatPoint.h"
23 #include "FloatPoint3D.h"
24 #include "GraphicsLayer.h"
25 #include "HashMap.h"
26 #include "LayerAndroid.h"
27 #include "RefPtr.h"
28 #include "Timer.h"
29 #include "TransformOperation.h"
30 #include "Vector.h"
31 
32 namespace WebCore {
33 
34 class TimingFunction;
35 
36 class AndroidAnimation : public RefCounted<AndroidAnimation> {
37 public:
38     AndroidAnimation(AnimatedPropertyID type,
39                      const Animation* animation,
40                      KeyframeValueList* operations,
41                      double beginTime);
42     AndroidAnimation(AndroidAnimation* anim);
43 
44     virtual ~AndroidAnimation();
45     virtual PassRefPtr<AndroidAnimation> copy() = 0;
46     double elapsedTime(double time);
47     void pickValues(double progress, int* start, int* end);
48     bool checkIterationsAndProgress(double time, float* finalProgress);
49     double applyTimingFunction(float from, float to, double progress,
50                                const TimingFunction* timingFunction);
51     bool evaluate(LayerAndroid* layer, double time);
52     virtual void applyForProgress(LayerAndroid* layer, float progress) = 0;
53     static long instancesCount();
setName(const String & name)54     void setName(const String& name) { m_name = name; }
name()55     String name() { return m_name; }
type()56     AnimatedPropertyID type() { return m_type; }
fillsBackwards()57     bool fillsBackwards() { return m_fillsBackwards; }
fillsForwards()58     bool fillsForwards() { return m_fillsForwards; }
59 
60 
61 protected:
62     double m_beginTime;
63     double m_elapsedTime;
64     double m_duration;
65     bool m_fillsBackwards;
66     bool m_fillsForwards;
67     int m_iterationCount;
68     int m_direction;
69     RefPtr<TimingFunction> m_timingFunction;
70     String m_name;
71     AnimatedPropertyID m_type;
72     KeyframeValueList* m_operations;
73 };
74 
75 class AndroidOpacityAnimation : public AndroidAnimation {
76 public:
77     static PassRefPtr<AndroidOpacityAnimation> create(const Animation* animation,
78                                                       KeyframeValueList* operations,
79                                                       double beginTime);
80     AndroidOpacityAnimation(const Animation* animation,
81                             KeyframeValueList* operations,
82                             double beginTime);
83     AndroidOpacityAnimation(AndroidOpacityAnimation* anim);
84     virtual PassRefPtr<AndroidAnimation> copy();
85 
86     virtual void applyForProgress(LayerAndroid* layer, float progress);
87 };
88 
89 class AndroidTransformAnimation : public AndroidAnimation {
90 public:
91     static PassRefPtr<AndroidTransformAnimation> create(
92                                                      const Animation* animation,
93                                                      KeyframeValueList* operations,
94                                                      double beginTime);
95     AndroidTransformAnimation(const Animation* animation,
96                               KeyframeValueList* operations,
97                               double beginTime);
98 
99     AndroidTransformAnimation(AndroidTransformAnimation* anim);
100     virtual PassRefPtr<AndroidAnimation> copy();
101 
102     virtual void applyForProgress(LayerAndroid* layer, float progress);
103 };
104 
105 } // namespace WebCore
106 
107 
108 #endif // USE(ACCELERATED_COMPOSITING)
109 
110 #endif // AndroidAnimation_h
111