The Tor Browser: mobile/android/thirdparty/com/squareup/picasso/Cache.java@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * Copyright (C) 2013 Square, Inc.

     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 package com.squareup.picasso;

    18 import android.graphics.Bitmap;

    20 /**

    21  * A memory cache for storing the most recently used images.

    22  * <p/>

    23  * <em>Note:</em> The {@link Cache} is accessed by multiple threads. You must ensure

    24  * your {@link Cache} implementation is thread safe when {@link Cache#get(String)} or {@link

    25  * Cache#set(String, android.graphics.Bitmap)} is called.

    26  */

    27 public interface Cache {

    28   /** Retrieve an image for the specified {@code key} or {@code null}. */

    29   Bitmap get(String key);

    31   /** Store an image in the cache for the specified {@code key}. */

    32   void set(String key, Bitmap bitmap);

    34   /** Returns the current size of the cache in bytes. */

    35   int size();

    37   /** Returns the maximum size in bytes that the cache can hold. */

    38   int maxSize();

    40   /** Clears the cache. */

    41   void clear();

    43   /** A cache which does not store any values. */

    44   Cache NONE = new Cache() {

    45     @Override public Bitmap get(String key) {

    46       return null;

    47     }

    49     @Override public void set(String key, Bitmap bitmap) {

    50       // Ignore.

    51     }

    53     @Override public int size() {

    54       return 0;

    55     }

    57     @Override public int maxSize() {

    58       return 0;

    59     }

    61     @Override public void clear() {

    62     }

    63   };

    64 }

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