mobile/android/thirdparty/com/squareup/picasso/Cache.java@6474c204b198 (annotated)
mobile/android/thirdparty/com/squareup/picasso/Cache.java
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright (C) 2013 Square, Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| michael@0 | 5 | * you may not use this file except in compliance with the License. |
| michael@0 | 6 | * You may obtain a copy of the License at |
| michael@0 | 7 | * |
| michael@0 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| michael@0 | 9 | * |
| michael@0 | 10 | * Unless required by applicable law or agreed to in writing, software |
| michael@0 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| michael@0 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| michael@0 | 13 | * See the License for the specific language governing permissions and |
| michael@0 | 14 | * limitations under the License. |
| michael@0 | 15 | */ |
| michael@0 | 16 | package com.squareup.picasso; |
| michael@0 | 17 | |
| michael@0 | 18 | import android.graphics.Bitmap; |
| michael@0 | 19 | |
| michael@0 | 20 | /** |
| michael@0 | 21 | * A memory cache for storing the most recently used images. |
| michael@0 | 22 | * <p/> |
| michael@0 | 23 | * <em>Note:</em> The {@link Cache} is accessed by multiple threads. You must ensure |
| michael@0 | 24 | * your {@link Cache} implementation is thread safe when {@link Cache#get(String)} or {@link |
| michael@0 | 25 | * Cache#set(String, android.graphics.Bitmap)} is called. |
| michael@0 | 26 | */ |
| michael@0 | 27 | public interface Cache { |
| michael@0 | 28 | /** Retrieve an image for the specified {@code key} or {@code null}. */ |
| michael@0 | 29 | Bitmap get(String key); |
| michael@0 | 30 | |
| michael@0 | 31 | /** Store an image in the cache for the specified {@code key}. */ |
| michael@0 | 32 | void set(String key, Bitmap bitmap); |
| michael@0 | 33 | |
| michael@0 | 34 | /** Returns the current size of the cache in bytes. */ |
| michael@0 | 35 | int size(); |
| michael@0 | 36 | |
| michael@0 | 37 | /** Returns the maximum size in bytes that the cache can hold. */ |
| michael@0 | 38 | int maxSize(); |
| michael@0 | 39 | |
| michael@0 | 40 | /** Clears the cache. */ |
| michael@0 | 41 | void clear(); |
| michael@0 | 42 | |
| michael@0 | 43 | /** A cache which does not store any values. */ |
| michael@0 | 44 | Cache NONE = new Cache() { |
| michael@0 | 45 | @Override public Bitmap get(String key) { |
| michael@0 | 46 | return null; |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | @Override public void set(String key, Bitmap bitmap) { |
| michael@0 | 50 | // Ignore. |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | @Override public int size() { |
| michael@0 | 54 | return 0; |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | @Override public int maxSize() { |
| michael@0 | 58 | return 0; |
| michael@0 | 59 | } |
| michael@0 | 60 | |
| michael@0 | 61 | @Override public void clear() { |
| michael@0 | 62 | } |
| michael@0 | 63 | }; |
| michael@0 | 64 | } |
