1 /* 2 * Copyright (C) 2021 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 #pragma once 18 19 #include <aidl/android/hardware/graphics/composer3/BnComposer.h> 20 #include <utils/Mutex.h> 21 22 #include "include/IComposerHal.h" 23 #include "ComposerClient.h" 24 25 namespace aidl::android::hardware::graphics::composer3::impl { 26 27 class Composer : public BnComposer { 28 public: Composer(std::unique_ptr<IComposerHal> hal)29 Composer(std::unique_ptr<IComposerHal> hal) : mHal(std::move(hal)) {} 30 31 binder_status_t dump(int fd, const char** args, uint32_t numArgs) override; 32 33 // compser3 api 34 ndk::ScopedAStatus createClient(std::shared_ptr<IComposerClient>* client) override; 35 ndk::ScopedAStatus getCapabilities(std::vector<Capability>* caps) override; 36 37 protected: 38 ::ndk::SpAIBinder createBinder() override; 39 40 private: 41 bool waitForClientDestroyedLocked(std::unique_lock<std::mutex>& lock); 42 void onClientDestroyed(); 43 44 const std::unique_ptr<IComposerHal> mHal; 45 std::mutex mClientMutex; 46 bool mClientAlive = false; // GUARDED_BY(mClientMutex) 47 std::condition_variable mClientDestroyedCondition; 48 }; 49 50 } // namespace aidl::android::hardware::graphics::composer3::impl 51