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diff --git a/healthd/BatteryMonitor.h b/healthd/BatteryMonitor.h
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+++ b/healthd/BatteryMonitor.h
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+/*
+ * Copyright (C) 2013 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 HEALTHD_BATTERYMONITOR_H
+#define HEALTHD_BATTERYMONITOR_H
+
+#include <binder/IInterface.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+#include "healthd.h"
+#include "BatteryPropertiesRegistrar.h"
+
+namespace android {
+
+class BatteryPropertiesRegistrar;
+
+class BatteryMonitor {
+  public:
+
+    enum PowerSupplyType {
+        ANDROID_POWER_SUPPLY_TYPE_UNKNOWN = 0,
+        ANDROID_POWER_SUPPLY_TYPE_AC,
+        ANDROID_POWER_SUPPLY_TYPE_USB,
+        ANDROID_POWER_SUPPLY_TYPE_WIRELESS,
+        ANDROID_POWER_SUPPLY_TYPE_BATTERY
+    };
+
+    void init(struct healthd_config *hc, bool nosvcmgr);
+    bool update(void);
+
+  private:
+    struct healthd_config *mHealthdConfig;
+    Vector<String8> mChargerNames;
+
+    sp<BatteryPropertiesRegistrar> mBatteryPropertiesRegistrar;
+
+    int getBatteryStatus(const char* status);
+    int getBatteryHealth(const char* status);
+    int readFromFile(const String8& path, char* buf, size_t size);
+    PowerSupplyType readPowerSupplyType(const String8& path);
+    bool getBooleanField(const String8& path);
+    int getIntField(const String8& path);
+};
+
+}; // namespace android
+
+#endif // HEALTHD_BATTERY_MONTIOR_H