diff options
Diffstat (limited to 'src/com/android/gallery3d/data/MediaObject.java')
-rw-r--r-- | src/com/android/gallery3d/data/MediaObject.java | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/MediaObject.java b/src/com/android/gallery3d/data/MediaObject.java new file mode 100644 index 000000000..d0f1672fc --- /dev/null +++ b/src/com/android/gallery3d/data/MediaObject.java @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2010 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.net.Uri; + +public abstract class MediaObject { + @SuppressWarnings("unused") + private static final String TAG = "MediaObject"; + public static final long INVALID_DATA_VERSION = -1; + + // These are the bits returned from getSupportedOperations(): + public static final int SUPPORT_DELETE = 1 << 0; + public static final int SUPPORT_ROTATE = 1 << 1; + public static final int SUPPORT_SHARE = 1 << 2; + public static final int SUPPORT_CROP = 1 << 3; + public static final int SUPPORT_SHOW_ON_MAP = 1 << 4; + public static final int SUPPORT_SETAS = 1 << 5; + public static final int SUPPORT_FULL_IMAGE = 1 << 6; + public static final int SUPPORT_PLAY = 1 << 7; + public static final int SUPPORT_CACHE = 1 << 8; + public static final int SUPPORT_EDIT = 1 << 9; + public static final int SUPPORT_INFO = 1 << 10; + public static final int SUPPORT_IMPORT = 1 << 11; + public static final int SUPPORT_ALL = 0xffffffff; + + // These are the bits returned from getMediaType(): + public static final int MEDIA_TYPE_UNKNOWN = 1; + public static final int MEDIA_TYPE_IMAGE = 2; + public static final int MEDIA_TYPE_VIDEO = 4; + public static final int MEDIA_TYPE_ALL = MEDIA_TYPE_IMAGE | MEDIA_TYPE_VIDEO; + + // These are flags for cache() and return values for getCacheFlag(): + public static final int CACHE_FLAG_NO = 0; + public static final int CACHE_FLAG_SCREENNAIL = 1; + public static final int CACHE_FLAG_FULL = 2; + + // These are return values for getCacheStatus(): + public static final int CACHE_STATUS_NOT_CACHED = 0; + public static final int CACHE_STATUS_CACHING = 1; + public static final int CACHE_STATUS_CACHED_SCREENNAIL = 2; + public static final int CACHE_STATUS_CACHED_FULL = 3; + + private static long sVersionSerial = 0; + + protected long mDataVersion; + + protected final Path mPath; + + public MediaObject(Path path, long version) { + path.setObject(this); + mPath = path; + mDataVersion = version; + } + + public Path getPath() { + return mPath; + } + + public int getSupportedOperations() { + return 0; + } + + public void delete() { + throw new UnsupportedOperationException(); + } + + public void rotate(int degrees) { + throw new UnsupportedOperationException(); + } + + public Uri getContentUri() { + throw new UnsupportedOperationException(); + } + + public Uri getPlayUri() { + throw new UnsupportedOperationException(); + } + + public int getMediaType() { + return MEDIA_TYPE_UNKNOWN; + } + + public boolean Import() { + throw new UnsupportedOperationException(); + } + + public MediaDetails getDetails() { + MediaDetails details = new MediaDetails(); + return details; + } + + public long getDataVersion() { + return mDataVersion; + } + + public int getCacheFlag() { + return CACHE_FLAG_NO; + } + + public int getCacheStatus() { + throw new UnsupportedOperationException(); + } + + public long getCacheSize() { + throw new UnsupportedOperationException(); + } + + public void cache(int flag) { + throw new UnsupportedOperationException(); + } + + public static synchronized long nextVersionNumber() { + return ++MediaObject.sVersionSerial; + } +} |