1 /* 2 * Copyright 2019 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_MEDIASERVICE_DEATHNOTIFIER_H 18 #define ANDROID_MEDIASERVICE_DEATHNOTIFIER_H 19 20 #include <android/hidl/base/1.0/IBase.h> 21 #include <binder/Binder.h> 22 #include <hidl/HidlSupport.h> 23 24 #include <variant> 25 26 namespace android { 27 28 class DeathNotifier { 29 public: 30 using HBase = hidl::base::V1_0::IBase; 31 using Notify = std::function<void()>; 32 33 DeathNotifier(sp<IBinder> const& service, Notify const& notify); 34 DeathNotifier(sp<HBase> const& service, Notify const& notify); 35 DeathNotifier(DeathNotifier&& other); 36 ~DeathNotifier(); 37 38 private: 39 std::variant<std::monostate, sp<IBinder>, sp<HBase>> mService; 40 41 class DeathRecipient; 42 sp<DeathRecipient> mDeathRecipient; 43 }; 44 45 } // namespace android 46 47 #endif // ANDROID_MEDIASERVICE_DEATHNOTIFIER_H 48 49