123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/*
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* Copyright (C) 2018 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_TAG "CarPowerManagerNative: "
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#include <binder/IServiceManager.h>
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#include <binder/IBinder.h>
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#include <binder/IInterface.h>
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#include <utils/Log.h>
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#include "CarPowerManager.h"
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namespace android {
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namespace car {
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namespace hardware {
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namespace power {
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// Public functions
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int CarPowerManager::clearListener() {
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int retVal = -1;
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if (mIsConnected && (mListenerToService != nullptr)) {
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mICarPower->unregisterListener(mListenerToService);
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mListenerToService = nullptr;
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retVal = 0;
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}
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return retVal;
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}
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int CarPowerManager::requestShutdownOnNextSuspend() {
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int retVal = -1;
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if (connectToCarService()) {
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mICarPower->requestShutdownOnNextSuspend();
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retVal = 0;
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}
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return retVal;
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}
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int CarPowerManager::setListener(Listener listener) {
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int retVal = -1;
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if (connectToCarService()) {
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if (mListenerToService == nullptr) {
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mListenerToService = new CarPowerStateListener(this);
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mICarPower->registerListener(mListenerToService);
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}
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// Set the listener
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mListener = listener;
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retVal = 0;
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}
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return retVal;
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}
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// Private functions
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bool CarPowerManager::connectToCarService() {
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if (mIsConnected) {
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// Service is already connected
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return true;
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}
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const String16 ICarName("car_service");
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const String16 ICarPowerName("power");
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ALOGI(LOG_TAG "Connecting to CarService");
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// Get ICar
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sp<IServiceManager> serviceManager = defaultServiceManager();
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if (serviceManager == nullptr) {
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ALOGE(LOG_TAG "Cannot get defaultServiceManager");
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return(false);
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}
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sp<IBinder> binder = (serviceManager->getService(ICarName));
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if (binder == nullptr) {
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ALOGE(LOG_TAG "Cannot get ICar");
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return false;
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}
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// Get ICarPower
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sp<ICar> iCar = interface_cast<ICar>(binder);
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if (iCar == nullptr) {
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ALOGW(LOG_TAG "car service unavailable");
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return false;
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}
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iCar->getCarService(ICarPowerName, &binder);
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if (binder == nullptr) {
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ALOGE(LOG_TAG "Cannot get ICarPower");
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return false;
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}
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mICarPower = interface_cast<ICarPower>(binder);
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if (mICarPower == nullptr) {
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ALOGW(LOG_TAG "car power management service unavailable");
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return false;
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}
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mIsConnected = true;
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return true;
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}
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} // namespace power
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} // namespace hardware
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} // namespace car
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} // namespace android
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