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      1 /*
      2  * Copyright (C) 2013 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.documentsui;
     18 
     19 import android.graphics.Bitmap;
     20 import android.net.Uri;
     21 import android.util.LruCache;
     22 
     23 public class ThumbnailCache extends LruCache<Uri, Bitmap> {
     24     public ThumbnailCache(int maxSizeBytes) {
     25         super(maxSizeBytes);
     26     }
     27 
     28     @Override
     29     protected int sizeOf(Uri key, Bitmap value) {
     30         return value.getByteCount();
     31     }
     32 }
     33