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 24 namespace android { 25 26 class IMediaDeathNotifier: virtual public RefBase 27 { 28 public: 29 IMediaDeathNotifier() { addObitRecipient(this); } 30 virtual ~IMediaDeathNotifier() { removeObitRecipient(this); } 31 32 virtual void died() = 0; 33 static const sp<IMediaPlayerService>& getMediaPlayerService(); 34 35 private: 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
