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Diffstat (limited to 'mobile/android/thirdparty/com/squareup/picasso/Cache.java')
-rw-r--r-- | mobile/android/thirdparty/com/squareup/picasso/Cache.java | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/com/squareup/picasso/Cache.java b/mobile/android/thirdparty/com/squareup/picasso/Cache.java new file mode 100644 index 000000000..bce297f9e --- /dev/null +++ b/mobile/android/thirdparty/com/squareup/picasso/Cache.java @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2013 Square, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.squareup.picasso; + +import android.graphics.Bitmap; + +/** + * A memory cache for storing the most recently used images. + * <p/> + * <em>Note:</em> The {@link Cache} is accessed by multiple threads. You must ensure + * your {@link Cache} implementation is thread safe when {@link Cache#get(String)} or {@link + * Cache#set(String, android.graphics.Bitmap)} is called. + */ +public interface Cache { + /** Retrieve an image for the specified {@code key} or {@code null}. */ + Bitmap get(String key); + + /** Store an image in the cache for the specified {@code key}. */ + void set(String key, Bitmap bitmap); + + /** Returns the current size of the cache in bytes. */ + int size(); + + /** Returns the maximum size in bytes that the cache can hold. */ + int maxSize(); + + /** Clears the cache. */ + void clear(); + + /** A cache which does not store any values. */ + Cache NONE = new Cache() { + @Override public Bitmap get(String key) { + return null; + } + + @Override public void set(String key, Bitmap bitmap) { + // Ignore. + } + + @Override public int size() { + return 0; + } + + @Override public int maxSize() { + return 0; + } + + @Override public void clear() { + } + }; +} |