| /* |
| * Copyright (C) 2013 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.data; |
| |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.net.Uri; |
| |
| import static com.android.camera.ui.FilmStripView.DataAdapter; |
| |
| /** |
| * An interface which extends {@link DataAdapter} and defines operations on |
| * the data in the local camera folder. |
| */ |
| public interface LocalDataAdapter extends DataAdapter { |
| |
| /** |
| * Request for loading the local data. |
| * |
| * @param resolver {@link ContentResolver} used for data loading. |
| */ |
| public void requestLoad(ContentResolver resolver); |
| |
| /** |
| * Returns the specified {@link LocalData}. |
| * |
| * @param dataID The ID of the {@link LocalData} to get. |
| * @return The {@link LocalData} to get. {@code null} if not available. |
| */ |
| public LocalData getLocalData(int dataID); |
| |
| /** |
| * Remove the data in the local camera folder. |
| * |
| * @param context {@link Context} used to remove the data. |
| * @param dataID ID of data to be deleted. |
| */ |
| public void removeData(Context context, int dataID); |
| |
| /** |
| * Add new local video data. |
| * |
| * @param resolver {@link ContentResolver} used to add the data. |
| * @param uri {@link Uri} of the video. |
| */ |
| public void addNewVideo(ContentResolver resolver, Uri uri); |
| |
| /** |
| * Adds new local photo data. |
| * |
| * @param resolver {@link ContentResolver} used to add the data. |
| * @param uri {@link Uri} of the photo. |
| */ |
| public void addNewPhoto(ContentResolver resolver, Uri uri); |
| |
| /** |
| * Refresh the data by {@link Uri}. |
| * |
| * @param resolver {@link ContentResolver} used to refresh the data. |
| * @param uri The {@link Uri} of the data to refresh. |
| */ |
| public void refresh(ContentResolver resolver, Uri uri); |
| |
| /** |
| * Finds the {@link LocalData} of the specified content Uri. |
| * |
| * @param Uri The content Uri of the {@link LocalData}. |
| * @return The index of the data. {@code -1} if not found. |
| */ |
| public int findDataByContentUri(Uri uri); |
| |
| /** |
| * Clears all the data currently loaded. |
| */ |
| public void flush(); |
| |
| /** |
| * Executes the deletion task. Delete the data waiting in the deletion queue. |
| * |
| * @param context The {@link Context} from the caller. |
| * @return {@code true} if task has been executed, {@code false} |
| * otherwise. |
| */ |
| public boolean executeDeletion(Context context); |
| |
| /** |
| * Undo a deletion. If there is any data waiting to be deleted in the queue, |
| * move it out of the deletion queue. |
| * |
| * @return {@code true} if there are items in the queue, {@code false} otherwise. |
| */ |
| public boolean undoDataRemoval(); |
| |
| /** |
| * Update the data in a specific position. |
| * |
| * @param pos The position of the data to be updated. |
| * @param data The new data. |
| */ |
| public void updateData(int pos, LocalData data); |
| |
| /** Insert a data. */ |
| public void insertData(LocalData data); |
| } |