1/*
2 * Copyright (C) 2015 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
17package android.support.v4.animation;
18
19import android.animation.Animator;
20import android.animation.PropertyValuesHolder;
21import android.animation.TimeInterpolator;
22import android.animation.TypeEvaluator;
23import android.animation.ValueAnimator;
24import android.view.View;
25
26/**
27 * Uses framework Animators to provide ValueAnimatorCompat interface.
28 * <p>
29 * This is not a fully implemented API which is why it is not public.
30 *
31 * @hide
32 */
33class HoneycombMr1AnimatorCompatProvider implements AnimatorProvider {
34
35    private TimeInterpolator mDefaultInterpolator;
36
37    @Override
38    public ValueAnimatorCompat emptyValueAnimator() {
39        return new HoneycombValueAnimatorCompat(ValueAnimator.ofFloat(0f, 1f));
40    }
41
42    static class HoneycombValueAnimatorCompat implements ValueAnimatorCompat {
43
44        final Animator mWrapped;
45
46        public HoneycombValueAnimatorCompat(Animator wrapped) {
47            mWrapped = wrapped;
48        }
49
50        @Override
51        public void setTarget(View view) {
52            mWrapped.setTarget(view);
53        }
54
55        @Override
56        public void addListener(AnimatorListenerCompat listener) {
57            mWrapped.addListener(new AnimatorListenerCompatWrapper(listener, this));
58        }
59
60        @Override
61        public void setDuration(long duration) {
62            mWrapped.setDuration(duration);
63        }
64
65        @Override
66        public void start() {
67            mWrapped.start();
68        }
69
70        @Override
71        public void cancel() {
72            mWrapped.cancel();
73        }
74
75        @Override
76        public void addUpdateListener(final AnimatorUpdateListenerCompat animatorUpdateListener) {
77            if (mWrapped instanceof ValueAnimator) {
78                ((ValueAnimator) mWrapped).addUpdateListener(
79                        new ValueAnimator.AnimatorUpdateListener() {
80                            @Override
81                            public void onAnimationUpdate(ValueAnimator animation) {
82                                animatorUpdateListener
83                                        .onAnimationUpdate(HoneycombValueAnimatorCompat.this);
84                            }
85                        });
86            }
87        }
88
89        @Override
90        public float getAnimatedFraction() {
91            return ((ValueAnimator) mWrapped).getAnimatedFraction();
92        }
93    }
94
95    static class AnimatorListenerCompatWrapper implements Animator.AnimatorListener {
96
97        final AnimatorListenerCompat mWrapped;
98
99        final ValueAnimatorCompat mValueAnimatorCompat;
100
101        public AnimatorListenerCompatWrapper(
102                AnimatorListenerCompat wrapped, ValueAnimatorCompat valueAnimatorCompat) {
103            mWrapped = wrapped;
104            mValueAnimatorCompat = valueAnimatorCompat;
105        }
106
107        @Override
108        public void onAnimationStart(Animator animation) {
109            mWrapped.onAnimationStart(mValueAnimatorCompat);
110        }
111
112        @Override
113        public void onAnimationEnd(Animator animation) {
114            mWrapped.onAnimationEnd(mValueAnimatorCompat);
115        }
116
117        @Override
118        public void onAnimationCancel(Animator animation) {
119            mWrapped.onAnimationCancel(mValueAnimatorCompat);
120        }
121
122        @Override
123        public void onAnimationRepeat(Animator animation) {
124            mWrapped.onAnimationRepeat(mValueAnimatorCompat);
125        }
126    }
127
128    @Override
129    public void clearInterpolator(View view) {
130        if (mDefaultInterpolator == null) {
131            mDefaultInterpolator = new ValueAnimator().getInterpolator();
132        }
133        view.animate().setInterpolator(mDefaultInterpolator);
134    }
135}
136