| /* |
| * Copyright (C) 2009 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.camera.gallery; |
| |
| import com.android.camera.ImageManager; |
| |
| import android.content.ContentResolver; |
| import android.database.Cursor; |
| import android.net.Uri; |
| |
| import java.util.HashMap; |
| |
| /** |
| * An implementation of interface <code>IImageList</code> which contains only |
| * one image. |
| */ |
| // TODO: consider implements not extends |
| public class SingleImageList extends BaseImageList { |
| |
| @SuppressWarnings("unused") |
| private static final String TAG = "BaseImageList"; |
| |
| private IImage mSingleImage; |
| |
| public SingleImageList(Uri uri) { |
| super(uri, ImageManager.SORT_ASCENDING, null); |
| } |
| |
| @Override |
| public void open(ContentResolver resolver) { |
| mContentResolver = resolver; |
| mSingleImage = new UriImage(this, resolver, mBaseUri); |
| } |
| |
| public HashMap<String, String> getBucketIds() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void deactivate() { |
| // nothing to do here |
| } |
| |
| @Override |
| public int getCount() { |
| return 1; |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return false; |
| } |
| |
| @Override |
| protected long getImageId(Cursor cursor) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public int getImageIndex(IImage image) { |
| return image == mSingleImage ? 0 : -1; |
| } |
| |
| @Override |
| public IImage getImageAt(int i) { |
| return i == 0 ? mSingleImage : null; |
| } |
| |
| @Override |
| public boolean removeImage(IImage image) { |
| if (mContentResolver.delete(image.fullSizeImageUri(), null, null) > 0) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public IImage getImageForUri(Uri uri) { |
| return uri.equals(mBaseUri) ? mSingleImage : null; |
| } |
| |
| @Override |
| protected Cursor createCursor() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| protected BaseImage loadImageFromCursor(Cursor cursor) { |
| throw new UnsupportedOperationException(); |
| } |
| } |