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      1 /*
      2  * Copyright (C) 2016 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 com.android.systemui.statusbar.notification;
     18 
     19 import android.util.Pools;
     20 
     21 /**
     22  * A transform state of a progress view.
     23 */
     24 public class ProgressTransformState extends TransformState {
     25 
     26     private static Pools.SimplePool<ProgressTransformState> sInstancePool
     27             = new Pools.SimplePool<>(40);
     28 
     29     @Override
     30     protected boolean sameAs(TransformState otherState) {
     31         if (otherState instanceof ProgressTransformState) {
     32             return true;
     33         }
     34         return super.sameAs(otherState);
     35     }
     36 
     37     public static ProgressTransformState obtain() {
     38         ProgressTransformState instance = sInstancePool.acquire();
     39         if (instance != null) {
     40             return instance;
     41         }
     42         return new ProgressTransformState();
     43     }
     44 
     45     @Override
     46     public void recycle() {
     47         super.recycle();
     48         sInstancePool.release(this);
     49     }
     50 }
     51