1 /* 2 * Copyright (C) 2017 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 CHRE_PLATFORM_POWER_CONTROL_MANAGER_H 18 #define CHRE_PLATFORM_POWER_CONTROL_MANAGER_H 19 20 #include <cstddef> 21 22 #include "chre/target_platform/power_control_manager_base.h" 23 #include "chre/util/non_copyable.h" 24 25 namespace chre { 26 27 /** 28 * An abstraction for an entity that performs power-related controls for the 29 * underlying platform. 30 */ 31 class PowerControlManager : public PowerControlManagerBase, public NonCopyable { 32 public: 33 /** 34 * Perform power-related control after a single process of the event loop. 35 * 36 * @param numPendingEvents The current size of the event queue. 37 */ 38 void postEventLoopProcess(size_t numPendingEvents); 39 40 /** 41 * @return true if the host is awake, false otherwise. 42 */ 43 bool hostIsAwake(); 44 }; 45 46 } // namespace chre 47 48 #endif // CHRE_PLATFORM_POWER_CONTROL_MANAGER_H 49