1 /*
2  * Copyright (C) 2014 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 package android.animation;
18 
19 import android.view.RenderNodeAnimator;
20 import android.view.View;
21 
22 /**
23  * Reveals a View with an animated clipping circle.
24  * The clipping is implemented efficiently by talking to a private reveal API on View.
25  * This hidden class currently only accessed by the {@link android.view.View}.
26  *
27  * @hide
28  */
29 public class RevealAnimator extends RenderNodeAnimator {
30 
31     private View mClipView;
32 
RevealAnimator(View clipView, int x, int y, float startRadius, float endRadius)33     public RevealAnimator(View clipView, int x, int y,
34             float startRadius, float endRadius) {
35         super(x, y, startRadius, endRadius);
36         mClipView = clipView;
37         setTarget(mClipView);
38     }
39 
40     @Override
onFinished()41     protected void onFinished() {
42         mClipView.setRevealClip(false, 0, 0, 0);
43         super.onFinished();
44     }
45 
46 }
47