blob: de96887db9fb4a0910deba889b8177263378ee75 (
plain)
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
|
/*
* 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.
*/
package android.view;
import android.animation.TimeInterpolator;
import android.view.ViewPropertyAnimator.NameValuesHolder;
import android.view.animation.Interpolator;
import android.view.animation.LinearInterpolator;
import com.android.internal.view.animation.FallbackLUTInterpolator;
import java.util.ArrayList;
/**
* This is a RenderThread driven backend for ViewPropertyAnimator.
*/
class ViewPropertyAnimatorRT {
private static final Interpolator sLinearInterpolator = new LinearInterpolator();
private final View mView;
private RenderNodeAnimator mAnimators[] = new RenderNodeAnimator[RenderNodeAnimator.LAST_VALUE + 1];
ViewPropertyAnimatorRT(View view) {
mView = view;
}
/**
* @return true if ViewPropertyAnimatorRT handled the animation,
* false if ViewPropertyAnimator needs to handle it
*/
public boolean startAnimation(ViewPropertyAnimator parent) {
cancelAnimators(parent.mPendingAnimations);
if (!canHandleAnimator(parent)) {
return false;
}
doStartAnimation(parent);
return true;
}
public void cancelAll() {
for (int i = 0; i < mAnimators.length; i++) {
if (mAnimators[i] != null) {
mAnimators[i].cancel();
mAnimators[i] = null;
}
}
}
private void doStartAnimation(ViewPropertyAnimator parent) {
int size = parent.mPendingAnimations.size();
long startDelay = parent.getStartDelay();
long duration = parent.getDuration();
TimeInterpolator interpolator = parent.getInterpolator();
if (interpolator == null) {
// Documented to be LinearInterpolator in ValueAnimator.setInterpolator
interpolator = sLinearInterpolator;
}
if (!RenderNodeAnimator.isNativeInterpolator(interpolator)) {
interpolator = new FallbackLUTInterpolator(interpolator, duration);
}
for (int i = 0; i < size; i++) {
NameValuesHolder holder = parent.mPendingAnimations.get(i);
int property = RenderNodeAnimator.mapViewPropertyToRenderProperty(holder.mNameConstant);
final float finalValue = holder.mFromValue + holder.mDeltaValue;
RenderNodeAnimator animator = new RenderNodeAnimator(property, finalValue);
animator.setStartDelay(startDelay);
animator.setDuration(duration);
animator.setInterpolator(interpolator);
animator.setTarget(mView);
animator.start();
mAnimators[property] = animator;
}
parent.mPendingAnimations.clear();
}
private boolean canHandleAnimator(ViewPropertyAnimator parent) {
// TODO: Can we eliminate this entirely?
// If RenderNode.animatorProperties() can be toggled to point at staging
// instead then RNA can be used as the animators for software as well
// as the updateListener fallback paths. If this can be toggled
// at the top level somehow, combined with requiresUiRedraw, we could
// ensure that RT does not self-animate, allowing for safe driving of
// the animators from the UI thread using the same mechanisms
// ViewPropertyAnimator does, just with everything sitting on a single
// animator subsystem instead of multiple.
if (parent.getUpdateListener() != null) {
return false;
}
if (parent.getListener() != null) {
// TODO support
return false;
}
if (!mView.isHardwareAccelerated()) {
// TODO handle this maybe?
return false;
}
if (parent.hasActions()) {
return false;
}
// Here goes nothing...
return true;
}
private void cancelAnimators(ArrayList<NameValuesHolder> mPendingAnimations) {
int size = mPendingAnimations.size();
for (int i = 0; i < size; i++) {
NameValuesHolder holder = mPendingAnimations.get(i);
int property = RenderNodeAnimator.mapViewPropertyToRenderProperty(holder.mNameConstant);
if (mAnimators[property] != null) {
mAnimators[property].cancel();
mAnimators[property] = null;
}
}
}
}
|
