1/*
2 * Copyright (C) 2016 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.session;
18
19import android.media.session.MediaSession;
20import android.net.Uri;
21import android.os.Bundle;
22import android.support.annotation.RequiresApi;
23import android.util.Log;
24
25import java.lang.reflect.InvocationTargetException;
26import java.lang.reflect.Method;
27
28@RequiresApi(24)
29class MediaSessionCompatApi24 {
30    private static final String TAG = "MediaSessionCompatApi24";
31
32    public static Object createCallback(Callback callback) {
33        return new CallbackProxy<Callback>(callback);
34    }
35
36    public static String getCallingPackage(Object sessionObj) {
37        MediaSession session = (MediaSession) sessionObj;
38        try {
39            Method getCallingPackageMethod = session.getClass().getMethod("getCallingPackage");
40            return (String) getCallingPackageMethod.invoke(session);
41        } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {
42            Log.e(TAG, "Cannot execute MediaSession.getCallingPackage()", e);
43        }
44        return null;
45    }
46
47    public interface Callback extends MediaSessionCompatApi23.Callback {
48        public void onPrepare();
49        public void onPrepareFromMediaId(String mediaId, Bundle extras);
50        public void onPrepareFromSearch(String query, Bundle extras);
51        public void onPrepareFromUri(Uri uri, Bundle extras);
52    }
53
54    static class CallbackProxy<T extends Callback>
55            extends MediaSessionCompatApi23.CallbackProxy<T> {
56        public CallbackProxy(T callback) {
57            super(callback);
58        }
59
60        @Override
61        public void onPrepare() {
62            mCallback.onPrepare();
63        }
64
65        @Override
66        public void onPrepareFromMediaId(String mediaId, Bundle extras) {
67            mCallback.onPrepareFromMediaId(mediaId, extras);
68        }
69
70        @Override
71        public void onPrepareFromSearch(String query, Bundle extras) {
72            mCallback.onPrepareFromSearch(query, extras);
73        }
74
75        @Override
76        public void onPrepareFromUri(Uri uri, Bundle extras) {
77            mCallback.onPrepareFromUri(uri, extras);
78        }
79    }
80}
81