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author | Chih-Chung Chang <chihchung@google.com> | 2012-03-15 16:38:45 +0800 |
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committer | Chih-Chung Chang <chihchung@google.com> | 2012-03-21 15:29:29 +0800 |
commit | 706a7cf399bc0297a80802a311e843e517d32241 (patch) | |
tree | 681636acd7bd0dda2674876c595736867dac83d6 /src/com/android/gallery3d/data/SnailSource.java | |
parent | 9af4a90dae4c05acfd1ec4f8d63375e8c0ebb430 (diff) | |
download | android_packages_apps_Snap-706a7cf399bc0297a80802a311e843e517d32241.tar.gz android_packages_apps_Snap-706a7cf399bc0297a80802a311e843e517d32241.tar.bz2 android_packages_apps_Snap-706a7cf399bc0297a80802a311e843e517d32241.zip |
Create a ScreenNail interface so we can add other types of screenails.
Add a new MediaItem type to contain a ScreenNail.
Change-Id: Ia303949f3013dd48ded204eaf9ec69a102b8503e
Diffstat (limited to 'src/com/android/gallery3d/data/SnailSource.java')
-rw-r--r-- | src/com/android/gallery3d/data/SnailSource.java | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/SnailSource.java b/src/com/android/gallery3d/data/SnailSource.java new file mode 100644 index 000000000..17b899dba --- /dev/null +++ b/src/com/android/gallery3d/data/SnailSource.java @@ -0,0 +1,74 @@ +/* + * 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 android.util.SparseArray; +import com.android.gallery3d.app.GalleryApp; +import com.android.gallery3d.ui.ScreenNail; + +public class SnailSource extends MediaSource { + private static final String TAG = "SnailSource"; + private static final int SNAIL_ALBUM = 0; + private static final int SNAIL_ITEM = 1; + + private GalleryApp mApplication; + private PathMatcher mMatcher; + private static int sNextId; + private static SparseArray<ScreenNail> sRegistry = new SparseArray<ScreenNail>(); + + public SnailSource(GalleryApp application) { + super("snail"); + mApplication = application; + mMatcher = new PathMatcher(); + mMatcher.add("/snail/set/*", SNAIL_ALBUM); + mMatcher.add("/snail/item/*", SNAIL_ITEM); + } + + // The only path we accept is "/snail/set/id" and "/snail/item/id" + @Override + public MediaObject createMediaObject(Path path) { + DataManager dataManager = mApplication.getDataManager(); + switch (mMatcher.match(path)) { + case SNAIL_ALBUM: + String itemPath = "/snail/item/" + mMatcher.getVar(0); + MediaItem item = + (MediaItem) dataManager.getMediaObject(itemPath); + return new SnailAlbum(path, item); + case SNAIL_ITEM: { + int id = mMatcher.getIntVar(0); + return new SnailItem(path, lookupScreenNail(id)); + } + } + return null; + } + + // Register a ScreenNail. Returns the Path of the MediaSet + // containing the MediaItem associated with the ScreenNail. + public static synchronized Path registerScreenNail(ScreenNail s) { + int id = sNextId++; + sRegistry.put(id, s); + return Path.fromString("/snail/set").getChild(id); + } + + public static synchronized void unregisterScreenNail(ScreenNail s) { + int index = sRegistry.indexOfValue(s); + sRegistry.removeAt(index); + } + + private static synchronized ScreenNail lookupScreenNail(int id) { + return sRegistry.get(id); + } +} |