1 files changed, 69 insertions, 0 deletions
diff --git a/src/com/android/messaging/datamodel/media/MediaCacheManager.java b/src/com/android/messaging/datamodel/media/MediaCacheManager.java
new file mode 100644
index 0000000..6e029f2
--- /dev/null
+++ b/src/com/android/messaging/datamodel/media/MediaCacheManager.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2015 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.messaging.datamodel.media;
+
+import android.util.SparseArray;
+
+import com.android.messaging.Factory;
+import com.android.messaging.datamodel.MemoryCacheManager;
+import com.android.messaging.datamodel.MemoryCacheManager.MemoryCache;
+import com.android.messaging.datamodel.media.PoolableImageCache.ReusableImageResourcePool;
+
+/**
+ * Manages a set of media caches by id.
+ */
+public abstract class MediaCacheManager implements MemoryCache {
+    public static MediaCacheManager get() {
+        return Factory.get().getMediaCacheManager();
+    }
+
+    protected final SparseArray<MediaCache<?>> mCaches;
+
+    public MediaCacheManager() {
+        mCaches = new SparseArray<MediaCache<?>>();
+        MemoryCacheManager.get().registerMemoryCache(this);
+    }
+
+    @Override
+    public void reclaim() {
+        final int count = mCaches.size();
+        for (int i = 0; i < count; i++) {
+            mCaches.valueAt(i).destroy();
+        }
+        mCaches.clear();
+    }
+
+    public synchronized MediaCache<?> getOrCreateMediaCacheById(final int id) {
+        MediaCache<?> cache = mCaches.get(id);
+        if (cache == null) {
+            cache = createMediaCacheById(id);
+            if (cache != null) {
+                mCaches.put(id, cache);
+            }
+        }
+        return cache;
+    }
+
+    public ReusableImageResourcePool getOrCreateBitmapPoolForCache(final int cacheId) {
+        final MediaCache<?> cache = getOrCreateMediaCacheById(cacheId);
+        if (cache != null && cache instanceof PoolableImageCache) {
+            return ((PoolableImageCache) cache).asReusableBitmapPool();
+        }
+        return null;
+    }
+
+    protected abstract MediaCache<?> createMediaCacheById(final int id);
+}
+\ No newline at end of file