media/java/android/media/ExternalRingtonesCursorWrapper.java

/*
 * Copyright (C) 2016 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 android.media;

import android.content.ContentProvider;
import android.database.Cursor;
import android.database.CursorWrapper;
import android.net.Uri;

/**
 * Cursor that adds the user id to fetched URIs. This is especially useful for {@link getCursor} as
 * a managed profile should also list its parent's ringtones
 *
 * @hide
 */
public class ExternalRingtonesCursorWrapper extends CursorWrapper {

    private int mUserId;

    public ExternalRingtonesCursorWrapper(Cursor cursor, int userId) {
        super(cursor);
        mUserId = userId;
    }

    public String getString(int index) {
        String result = super.getString(index);
        if (index == RingtoneManager.URI_COLUMN_INDEX) {
            result = ContentProvider.maybeAddUserId(Uri.parse(result), mUserId).toString();
        }
        return result;
    }
}