1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.support.v4.media;
18
19import android.media.VolumeProvider;
20
21class VolumeProviderCompatApi21 {
22    public static Object createVolumeProvider(int volumeControl, int maxVolume, int currentVolume,
23            final Delegate delegate) {
24        return new VolumeProvider(volumeControl, maxVolume, currentVolume) {
25            @Override
26            public void onSetVolumeTo(int volume) {
27                delegate.onSetVolumeTo(volume);
28            }
29
30            @Override
31            public void onAdjustVolume(int direction) {
32                delegate.onAdjustVolume(direction);
33            }
34        };
35    }
36
37    public static void setCurrentVolume(Object volumeProviderObj, int currentVolume) {
38        ((VolumeProvider) volumeProviderObj).setCurrentVolume(currentVolume);
39    }
40
41    public interface Delegate {
42        void onSetVolumeTo(int volume);
43        void onAdjustVolume(int delta);
44    }
45}
46