1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANIMATOR_H
#define ANIMATOR_H
#include <cutils/compiler.h>
#include <utils/RefBase.h>
#include <utils/StrongPointer.h>
#include "CanvasProperty.h"
#include "Interpolator.h"
#include "TreeInfo.h"
#include "utils/Macros.h"
namespace android {
namespace uirenderer {
class RenderNode;
class RenderProperties;
class AnimationListener : public VirtualLightRefBase {
public:
ANDROID_API virtual void onAnimationFinished(BaseRenderNodeAnimator*) = 0;
protected:
ANDROID_API virtual ~AnimationListener() {}
};
class BaseRenderNodeAnimator : public VirtualLightRefBase {
PREVENT_COPY_AND_ASSIGN(BaseRenderNodeAnimator);
public:
ANDROID_API void setInterpolator(Interpolator* interpolator);
ANDROID_API void setDuration(nsecs_t durationInMs);
ANDROID_API nsecs_t duration() { return mDuration; }
ANDROID_API void setStartDelay(nsecs_t startDelayInMs);
ANDROID_API nsecs_t startDelay() { return mStartDelay; }
ANDROID_API void setListener(AnimationListener* listener) {
mListener = listener;
}
ANDROID_API virtual void onAttached(RenderNode* target) {}
// Guaranteed to happen before the staging push
void setupStartValueIfNecessary(RenderNode* target, TreeInfo& info);
bool animate(RenderNode* target, TreeInfo& info);
bool isFinished() { return mPlayState == FINISHED; }
float finalValue() { return mFinalValue; }
protected:
BaseRenderNodeAnimator(float finalValue);
virtual ~BaseRenderNodeAnimator();
void setStartValue(float value);
virtual float getValue(RenderNode* target) const = 0;
virtual void setValue(RenderNode* target, float value) = 0;
private:
void callOnFinishedListener(TreeInfo& info);
enum PlayState {
NEEDS_START,
PENDING,
RUNNING,
FINISHED,
};
float mFinalValue;
float mDeltaValue;
float mFromValue;
Interpolator* mInterpolator;
PlayState mPlayState;
nsecs_t mStartTime;
nsecs_t mDelayUntil;
nsecs_t mDuration;
nsecs_t mStartDelay;
sp<AnimationListener> mListener;
};
class RenderPropertyAnimator : public BaseRenderNodeAnimator {
public:
enum RenderProperty {
TRANSLATION_X = 0,
TRANSLATION_Y,
TRANSLATION_Z,
SCALE_X,
SCALE_Y,
ROTATION,
ROTATION_X,
ROTATION_Y,
X,
Y,
Z,
ALPHA,
};
ANDROID_API RenderPropertyAnimator(RenderProperty property, float finalValue);
ANDROID_API virtual void onAttached(RenderNode* target);
protected:
virtual float getValue(RenderNode* target) const;
virtual void setValue(RenderNode* target, float value);
private:
typedef void (RenderProperties::*SetFloatProperty)(float value);
typedef float (RenderProperties::*GetFloatProperty)() const;
struct PropertyAccessors;
const PropertyAccessors* mPropertyAccess;
static const PropertyAccessors PROPERTY_ACCESSOR_LUT[];
};
class CanvasPropertyPrimitiveAnimator : public BaseRenderNodeAnimator {
public:
ANDROID_API CanvasPropertyPrimitiveAnimator(CanvasPropertyPrimitive* property,
float finalValue);
protected:
virtual float getValue(RenderNode* target) const;
virtual void setValue(RenderNode* target, float value);
private:
sp<CanvasPropertyPrimitive> mProperty;
};
class CanvasPropertyPaintAnimator : public BaseRenderNodeAnimator {
public:
enum PaintField {
STROKE_WIDTH = 0,
ALPHA,
};
ANDROID_API CanvasPropertyPaintAnimator(CanvasPropertyPaint* property,
PaintField field, float finalValue);
protected:
virtual float getValue(RenderNode* target) const;
virtual void setValue(RenderNode* target, float value);
private:
sp<CanvasPropertyPaint> mProperty;
PaintField mField;
};
} /* namespace uirenderer */
} /* namespace android */
#endif /* ANIMATOR_H */
|
