CellularBatteryStats: Address API council feedback am: d40db4e7 am: a35af3d3

import android.os.BatteryStatsManager;

import android.os.connectivity.CellularBatteryStats;

import android.telephony.CellSignalStrength;

import android.telephony.ModemActivityInfo;

import android.telephony.TelephonyManager;

import android.text.format.DateUtils;

import com.android.internal.telephony.nano.TelephonyProto.ModemPowerStats;

import java.util.ArrayList;

import java.util.List;

/**

 * ModemPowerMetrics holds the modem power metrics and converts them to ModemPowerStats proto buf.

 * This proto buf is included in the Telephony proto buf.

 */

public class ModemPowerMetrics {

    private static final int DATA_CONNECTION_EMERGENCY_SERVICE =

            TelephonyManager.getAllNetworkTypes().length + 1;

    private static final int DATA_CONNECTION_OTHER = DATA_CONNECTION_EMERGENCY_SERVICE + 1;

    private static final int NUM_DATA_CONNECTION_TYPES = DATA_CONNECTION_OTHER + 1;

    /* BatteryStatsManager API */

    private BatteryStatsManager mBatteryStatsManager;

                / ((double) DateUtils.HOUR_IN_MILLIS);

            m.numPacketsTx = stats.getNumPacketsTx();

            m.cellularKernelActiveTimeMs = stats.getKernelActiveTimeMillis();

            if (stats.getTimeInRxSignalStrengthLevelMicros() != null

                    && stats.getTimeInRxSignalStrengthLevelMicros().length > 0) {

                m.timeInVeryPoorRxSignalLevelMs = stats.getTimeInRxSignalStrengthLevelMicros()[0];

            long timeInVeryPoorRxSignalLevelMs = stats.getTimeInRxSignalStrengthLevelMicros(

                    CellSignalStrength.SIGNAL_STRENGTH_NONE_OR_UNKNOWN);

            if (timeInVeryPoorRxSignalLevelMs >= 0) {

                m.timeInVeryPoorRxSignalLevelMs = timeInVeryPoorRxSignalLevelMs;

            }

            m.sleepTimeMs = stats.getSleepTimeMillis();

            m.idleTimeMs = stats.getIdleTimeMillis();

            m.rxTimeMs = stats.getRxTimeMillis();

            long[] t = stats.getTxTimeMillis();

            m.txTimeMs = new long[t.length];

            System.arraycopy(t, 0, m.txTimeMs, 0, t.length);

            List<Long> txTimeMillis = new ArrayList<>();

            for (int i = 0; i < ModemActivityInfo.TX_POWER_LEVELS; i++) {

                long t = stats.getTxTimeMillis(i);

                if (t >= 0) {

                    txTimeMillis.add(t);

                }

            }

            m.txTimeMs = txTimeMillis.stream().mapToLong(Long::longValue).toArray();

            m.numBytesTx = stats.getNumBytesTx();

            m.numPacketsRx = stats.getNumPacketsRx();

            m.numBytesRx = stats.getNumBytesRx();

            long[] tr = stats.getTimeInRatMicros();

            m.timeInRatMs = new long[tr.length];

            System.arraycopy(tr, 0, m.timeInRatMs, 0, tr.length);

            long[] trx = stats.getTimeInRxSignalStrengthLevelMicros();

            m.timeInRxSignalStrengthLevelMs = new long[trx.length];

            System.arraycopy(trx, 0, m.timeInRxSignalStrengthLevelMs, 0, trx.length);

            List<Long> timeInRatMicros = new ArrayList<>();

            for (int i = 0; i < NUM_DATA_CONNECTION_TYPES; i++) {

                long tr = stats.getTimeInRatMicros(i);

                if (tr >= 0) {

                    timeInRatMicros.add(tr);

                }

            }

            m.timeInRatMs = timeInRatMicros.stream().mapToLong(Long::longValue).toArray();

            List<Long> rxSignalStrengthLevelMicros = new ArrayList<>();

            for (int i = 0; i < CellSignalStrength.getNumSignalStrengthLevels(); i++) {

                long rx = stats.getTimeInRxSignalStrengthLevelMicros(i);

                if (rx >= 0) {

                    rxSignalStrengthLevelMicros.add(rx);

                }

            }

            m.timeInRxSignalStrengthLevelMs = rxSignalStrengthLevelMicros.stream().mapToLong(

                    Long::longValue).toArray();

            m.monitoredRailEnergyConsumedMah = stats.getMonitoredRailChargeConsumedMaMillis()

                / ((double) DateUtils.HOUR_IN_MILLIS);

        }