diff options
Diffstat (limited to 'src/com/android/gallery3d/data/SnailAlbum.java')
-rw-r--r-- | src/com/android/gallery3d/data/SnailAlbum.java | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/SnailAlbum.java b/src/com/android/gallery3d/data/SnailAlbum.java new file mode 100644 index 000000000..7bce7a695 --- /dev/null +++ b/src/com/android/gallery3d/data/SnailAlbum.java @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2012 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.gallery3d.data; + +import java.util.concurrent.atomic.AtomicBoolean; + +// This is a simple MediaSet which contains only one MediaItem -- a SnailItem. +public class SnailAlbum extends SingleItemAlbum { + @SuppressWarnings("unused") + private static final String TAG = "SnailAlbum"; + private AtomicBoolean mDirty = new AtomicBoolean(false); + + public SnailAlbum(Path path, SnailItem item) { + super(path, item); + } + + @Override + public long reload() { + if (mDirty.compareAndSet(true, false)) { + ((SnailItem) getItem()).updateVersion(); + mDataVersion = nextVersionNumber(); + } + return mDataVersion; + } + + public void notifyChange() { + mDirty.set(true); + notifyContentChanged(); + } +} |