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