Initial commit from Gmail's Cache system.

Change-Id: I14168ab3bc02b77399a1812f62bd77ac797232c5

1 files changed, 28 insertions, 0 deletions

diff --git a/src/com/android/bitmap/BitmapCache.java b/src/com/android/bitmap/BitmapCache.java
new file mode 100644
index 0000000..4695d72
--- /dev/null
+++ b/src/com/android/bitmap/BitmapCache.java
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+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.android.bitmap;
+
+public interface BitmapCache extends PooledCache<DecodeTask.Request, ReusableBitmap> {
+
+    /**
+     * Notify the cache when it should start and stop blocking for cache misses.
+     * If {@link #setBlocking(true)} has been called and if the pool is empty, {@link #poll()}
+     * should block until the pool is repopulated, or until {@link #setBlocking(false)} is called.
+     */
+    void setBlocking(boolean blocking);
+
+}