| /* |
| * 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 android.net.Uri; |
| |
| import java.util.HashMap; |
| |
| // |
| // ImageList and Image classes have one-to-one correspondence. |
| // The class hierarchy (* = abstract class): |
| // |
| // IImageList |
| // - BaseImageList (*) |
| // - VideoList |
| // - ImageList |
| // - DrmImageList |
| // - SingleImageList (contains UriImage) |
| // - ImageListUber |
| // |
| // IImage |
| // - BaseImage (*) |
| // - VideoObject |
| // - Image |
| // - DrmImage |
| // - UriImage |
| // |
| |
| /** |
| * The interface of all image collections used in gallery. |
| */ |
| public interface IImageList { |
| public HashMap<String, String> getBucketIds(); |
| |
| /** |
| * Returns the count of image objects. |
| * |
| * @return the number of images |
| */ |
| public int getCount(); |
| |
| /** |
| * @return true if the count of image objects is zero. |
| */ |
| public boolean isEmpty(); |
| |
| /** |
| * Returns the image at the ith position. |
| * |
| * @param i the position |
| * @return the image at the ith position |
| */ |
| public IImage getImageAt(int i); |
| |
| /** |
| * Returns the image with a particular Uri. |
| * |
| * @param uri |
| * @return the image with a particular Uri. null if not found. |
| */ |
| public IImage getImageForUri(Uri uri); |
| |
| /** |
| * |
| * @param image |
| * @return true if the image was removed. |
| */ |
| public boolean removeImage(IImage image); |
| |
| /** |
| * Removes the image at the ith position. |
| * @param i the position |
| */ |
| public boolean removeImageAt(int i); |
| |
| public int getImageIndex(IImage image); |
| |
| /** |
| * Closes this list to release resources, no further operation is allowed. |
| */ |
| public void close(); |
| } |