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package com.mapswithme.util;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import androidx.annotation.IntDef;
import androidx.annotation.IntRange;
import androidx.annotation.NonNull;
import com.mapswithme.maps.MwmApplication;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
public final class BatteryState
{
public static final byte CHARGING_STATUS_UNKNOWN = 0;
public static final byte CHARGING_STATUS_PLUGGED = 1;
public static final byte CHARGING_STATUS_UNPLUGGED = 2;
@Retention(RetentionPolicy.SOURCE)
@IntDef({ CHARGING_STATUS_UNKNOWN, CHARGING_STATUS_PLUGGED, CHARGING_STATUS_UNPLUGGED })
public @interface ChargingStatus {}
private BatteryState() {}
@NonNull
public static State getState()
{
IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
// Because it's a sticky intent, you don't need to register a BroadcastReceiver
// by simply calling registerReceiver passing in null
Intent batteryStatus = MwmApplication.get().registerReceiver(null, filter);
if (batteryStatus == null)
return new State(0, CHARGING_STATUS_UNKNOWN);
return new State(getLevel(batteryStatus), getChargingStatus(batteryStatus));
}
@IntRange(from=0, to=100)
public static int getLevel()
{
return getState().getLevel();
}
@ChargingStatus
public static int getChargingStatus()
{
return getState().getChargingStatus();
}
@IntRange(from=0, to=100)
private static int getLevel(@NonNull Intent batteryStatus)
{
return batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
}
@ChargingStatus
private static int getChargingStatus(@NonNull Intent batteryStatus)
{
// Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
// integer indicating whether the device is plugged in to a power
// source; 0 means it is on battery, other constants are different
// types of power sources.
int chargePlug = batteryStatus.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1);
if (chargePlug > 0)
return CHARGING_STATUS_PLUGGED;
else if (chargePlug < 0)
return CHARGING_STATUS_UNKNOWN;
return CHARGING_STATUS_UNPLUGGED;
}
public static final class State
{
@IntRange(from=0, to=100)
private final int mLevel;
@ChargingStatus
private final int mChargingStatus;
public State(@IntRange(from=0, to=100) int level, @ChargingStatus int chargingStatus)
{
mLevel = level;
mChargingStatus = chargingStatus;
}
@IntRange(from=0, to=100)
public int getLevel()
{
return mLevel;
}
@ChargingStatus
public int getChargingStatus()
{
return mChargingStatus;
}
}
}
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