81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//#define LOG_NDEBUG 0
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#define LOG_TAG "MediaPlayerService-DeathNotifier"
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#include <android-base/logging.h>
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#include "DeathNotifier.h"
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namespace android {
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class DeathNotifier::DeathRecipient :
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public IBinder::DeathRecipient,
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public hardware::hidl_death_recipient {
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public:
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using Notify = DeathNotifier::Notify;
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DeathRecipient(Notify const& notify): mNotify{notify} {
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}
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virtual void binderDied(wp<IBinder> const&) override {
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mNotify();
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}
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virtual void serviceDied(uint64_t, wp<HBase> const&) override {
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mNotify();
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}
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private:
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Notify mNotify;
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};
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DeathNotifier::DeathNotifier(sp<IBinder> const& service, Notify const& notify)
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: mService{std::in_place_index<1>, service},
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mDeathRecipient{new DeathRecipient(notify)} {
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service->linkToDeath(mDeathRecipient);
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}
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DeathNotifier::DeathNotifier(sp<HBase> const& service, Notify const& notify)
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: mService{std::in_place_index<2>, service},
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mDeathRecipient{new DeathRecipient(notify)} {
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service->linkToDeath(mDeathRecipient, 0);
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}
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DeathNotifier::DeathNotifier(DeathNotifier&& other)
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: mService{other.mService}, mDeathRecipient{other.mDeathRecipient} {
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other.mService.emplace<0>();
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other.mDeathRecipient = nullptr;
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}
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DeathNotifier::~DeathNotifier() {
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switch (mService.index()) {
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case 0:
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break;
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case 1:
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std::get<1>(mService)->unlinkToDeath(mDeathRecipient);
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break;
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case 2:
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std::get<2>(mService)->unlinkToDeath(mDeathRecipient);
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break;
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default:
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CHECK(false) << "Corrupted service type during destruction.";
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}
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}
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} // namespace android
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