1 /* 2 * Copyright (C) 2013 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 HEALTHD_BATTERYMONITOR_H 18 #define HEALTHD_BATTERYMONITOR_H 19 20 #include <batteryservice/BatteryService.h> 21 #include <binder/IInterface.h> 22 #include <utils/String8.h> 23 #include <utils/Vector.h> 24 25 #include <healthd/healthd.h> 26 27 namespace android { 28 29 class BatteryMonitor { 30 public: 31 32 enum PowerSupplyType { 33 ANDROID_POWER_SUPPLY_TYPE_UNKNOWN = 0, 34 ANDROID_POWER_SUPPLY_TYPE_AC, 35 ANDROID_POWER_SUPPLY_TYPE_USB, 36 ANDROID_POWER_SUPPLY_TYPE_WIRELESS, 37 ANDROID_POWER_SUPPLY_TYPE_BATTERY 38 }; 39 40 BatteryMonitor(); 41 void init(struct healthd_config *hc); 42 bool update(void); 43 int getChargeStatus(); 44 status_t getProperty(int id, struct BatteryProperty *val); 45 void dumpState(int fd); 46 47 private: 48 struct healthd_config *mHealthdConfig; 49 Vector<String8> mChargerNames; 50 bool mBatteryDevicePresent; 51 bool mAlwaysPluggedDevice; 52 int mBatteryFixedCapacity; 53 int mBatteryFixedTemperature; 54 struct BatteryProperties props; 55 56 int getBatteryStatus(const char* status); 57 int getBatteryHealth(const char* status); 58 int readFromFile(const String8& path, char* buf, size_t size); 59 PowerSupplyType readPowerSupplyType(const String8& path); 60 bool getBooleanField(const String8& path); 61 int getIntField(const String8& path); 62 }; 63 64 }; // namespace android 65 66 #endif // HEALTHD_BATTERY_MONTIOR_H 67