| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_OS_VIBRATOR_MANAGER_HAL_CONTROLLER_H |
| #define ANDROID_OS_VIBRATOR_MANAGER_HAL_CONTROLLER_H |
| |
| #include <android/hardware/vibrator/IVibratorManager.h> |
| #include <vibratorservice/VibratorHalController.h> |
| #include <vibratorservice/VibratorManagerHalWrapper.h> |
| #include <unordered_map> |
| |
| namespace android { |
| |
| namespace vibrator { |
| |
| std::shared_ptr<ManagerHalWrapper> connectManagerHal(std::shared_ptr<CallbackScheduler> scheduler); |
| |
| // Controller for VibratorManager HAL handle. |
| class ManagerHalController : public ManagerHalWrapper { |
| public: |
| using Connector = |
| std::function<std::shared_ptr<ManagerHalWrapper>(std::shared_ptr<CallbackScheduler>)>; |
| |
| ManagerHalController() |
| : ManagerHalController(std::make_shared<CallbackScheduler>(), &connectManagerHal) {} |
| ManagerHalController(std::shared_ptr<CallbackScheduler> callbackScheduler, Connector connector) |
| : mConnector(connector), mCallbackScheduler(callbackScheduler), mConnectedHal(nullptr) {} |
| virtual ~ManagerHalController() = default; |
| |
| /* Connects to the HAL service, possibly waiting for the registered service to |
| * become available. This will automatically be called at the first API usage if it was not |
| * manually called beforehand. Calling this manually during the setup phase can avoid slowing |
| * the first API call later on. This will fallback to a legacy manager implementation if the |
| * service is not available. |
| */ |
| virtual void init(); |
| |
| /* reloads HAL service instance without waiting. This relies on the HAL found by init() |
| * to rapidly reconnect to the specific HAL service, or defers to init() if it was never called. |
| */ |
| void tryReconnect() override final; |
| |
| HalResult<void> ping() override final; |
| |
| HalResult<ManagerCapabilities> getCapabilities() override final; |
| HalResult<std::vector<int32_t>> getVibratorIds() override final; |
| HalResult<std::shared_ptr<HalController>> getVibrator(int32_t id) override final; |
| |
| HalResult<void> prepareSynced(const std::vector<int32_t>& ids) override final; |
| HalResult<void> triggerSynced(const std::function<void()>& completionCallback) override final; |
| HalResult<void> cancelSynced() override final; |
| |
| private: |
| Connector mConnector; |
| std::shared_ptr<CallbackScheduler> mCallbackScheduler; |
| std::mutex mConnectedHalMutex; |
| // Shared pointer to allow local copies to be used by different threads. |
| std::shared_ptr<ManagerHalWrapper> mConnectedHal GUARDED_BY(mConnectedHalMutex); |
| |
| template <typename T> |
| HalResult<T> processHalResult(HalResult<T> result, const char* functionName); |
| |
| template <typename T> |
| using hal_fn = std::function<HalResult<T>(std::shared_ptr<ManagerHalWrapper>)>; |
| |
| template <typename T> |
| HalResult<T> apply(hal_fn<T>& halFn, const char* functionName); |
| }; |
| |
| }; // namespace vibrator |
| |
| }; // namespace android |
| |
| #endif // ANDROID_OS_VIBRATOR_MANAGER_HAL_CONTROLLER_H |