Merge "IdleMaint: run more frequently during 3AM to 4AM" into qt-qpr1-dev

import android.content.Context;

import android.os.RemoteException;

import android.util.Slog;

import java.util.concurrent.TimeUnit;

public class MountServiceIdler extends JobService {

    private static final String TAG = "MountServiceIdler";

                    mStarted = false;

                }

            }

            // ... and try again tomorrow

            // ... and try again right away or tomorrow

            scheduleIdlePass(MountServiceIdler.this);

        }

    };

    public static void scheduleIdlePass(Context context) {

        JobScheduler tm = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);

        Calendar calendar = tomorrowMidnight();

        final long timeToMidnight = calendar.getTimeInMillis() - System.currentTimeMillis();

        final long today3AM = offsetFromTodayMidnight(0, 3).getTimeInMillis();

        final long today4AM = offsetFromTodayMidnight(0, 4).getTimeInMillis();

        final long tomorrow3AM = offsetFromTodayMidnight(1, 3).getTimeInMillis();

        long nextScheduleTime;

        if (System.currentTimeMillis() > today3AM && System.currentTimeMillis() < today4AM) {

            nextScheduleTime = TimeUnit.SECONDS.toMillis(10);

        } else {

            nextScheduleTime = tomorrow3AM - System.currentTimeMillis(); // 3AM tomorrow

        }

        JobInfo.Builder builder = new JobInfo.Builder(MOUNT_JOB_ID, sIdleService);

        builder.setRequiresDeviceIdle(true);

        builder.setRequiresCharging(true);

        builder.setMinimumLatency(timeToMidnight);

        builder.setRequiresBatteryNotLow(true);

        builder.setMinimumLatency(nextScheduleTime);

        tm.schedule(builder.build());

    }

    private static Calendar tomorrowMidnight() {

    private static Calendar offsetFromTodayMidnight(int nDays, int nHours) {

        Calendar calendar = Calendar.getInstance();

        calendar.setTimeInMillis(System.currentTimeMillis());

        calendar.set(Calendar.HOUR_OF_DAY, 3);

        calendar.set(Calendar.HOUR_OF_DAY, nHours);

        calendar.set(Calendar.MINUTE, 0);

        calendar.set(Calendar.SECOND, 0);

        calendar.set(Calendar.MILLISECOND, 0);

        calendar.add(Calendar.DAY_OF_MONTH, 1);

        calendar.add(Calendar.DAY_OF_MONTH, nDays);

        return calendar;

    }

}