1/*
2 * Copyright (C) 2010 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
17#ifndef ANDROID_IMEDIADEATHNOTIFIER_H
18#define ANDROID_IMEDIADEATHNOTIFIER_H
19
20#include <utils/threads.h>
21#include <media/IMediaPlayerService.h>
22#include <utils/SortedVector.h>
23
24namespace android {
25
26class IMediaDeathNotifier: virtual public RefBase
27{
28public:
29    IMediaDeathNotifier() { addObitRecipient(this); }
30    virtual ~IMediaDeathNotifier() { removeObitRecipient(this); }
31
32    virtual void died() = 0;
33    static const sp<IMediaPlayerService>& getMediaPlayerService();
34
35private:
36    IMediaDeathNotifier &operator=(const IMediaDeathNotifier &);
37    IMediaDeathNotifier(const IMediaDeathNotifier &);
38
39    static void addObitRecipient(const wp<IMediaDeathNotifier>& recipient);
40    static void removeObitRecipient(const wp<IMediaDeathNotifier>& recipient);
41
42    class DeathNotifier: public IBinder::DeathRecipient
43    {
44    public:
45                DeathNotifier() {}
46        virtual ~DeathNotifier();
47
48        virtual void binderDied(const wp<IBinder>& who);
49    };
50
51    friend class DeathNotifier;
52
53    static  Mutex                                   sServiceLock;
54    static  sp<IMediaPlayerService>                 sMediaPlayerService;
55    static  sp<DeathNotifier>                       sDeathNotifier;
56    static  SortedVector< wp<IMediaDeathNotifier> > sObitRecipients;
57};
58
59}; // namespace android
60
61#endif // ANDROID_IMEDIADEATHNOTIFIER_H
62