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Diffstat (limited to 'src/com/android/camera/data/LocalDataAdapter.java')
-rw-r--r-- | src/com/android/camera/data/LocalDataAdapter.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/com/android/camera/data/LocalDataAdapter.java b/src/com/android/camera/data/LocalDataAdapter.java new file mode 100644 index 000000000..3b4f07dea --- /dev/null +++ b/src/com/android/camera/data/LocalDataAdapter.java @@ -0,0 +1,91 @@ +/* + * 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); + + /** + * 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); + + /** + * 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(); +} |