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      1 /*
      2  * Copyright (C) 2018 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.util.imagepool;
     18 
     19 /**
     20  * Keeps track of statistics. Some are purely for debugging purposes in which case it's wrapped
     21  * around DEBUG check.
     22  */
     23 interface ImagePoolStats {
     24 
     25     void recordBucketCreation(int widthBucket, int heightBucket);
     26 
     27     boolean fitsMaxCacheSize(int width, int height, long maxCacheSize);
     28 
     29     void clear();
     30 
     31     void recordBucketRequest(int w, int h);
     32 
     33     void recordAllocOutsidePool(int width, int height);
     34 
     35     void tooBigForCache();
     36 
     37     void acquiredImage(Integer imageHash);
     38 
     39     void disposeImage(Integer imageHash);
     40 
     41     void start();
     42 
     43     String getStatistic();
     44 }
     45