| /* |
| * Copyright (c) 2017 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. |
| */ |
| |
| package android.service.notification; |
| |
| import android.service.notification.ZenModeConfig.ScheduleInfo; |
| import android.util.ArraySet; |
| import android.util.Log; |
| |
| import java.util.Calendar; |
| import java.util.Objects; |
| import java.util.TimeZone; |
| |
| /** |
| * @hide |
| */ |
| public class ScheduleCalendar { |
| public static final String TAG = "ScheduleCalendar"; |
| public static final boolean DEBUG = Log.isLoggable("ConditionProviders", Log.DEBUG); |
| private final ArraySet<Integer> mDays = new ArraySet<Integer>(); |
| private final Calendar mCalendar = Calendar.getInstance(); |
| |
| private ScheduleInfo mSchedule; |
| |
| @Override |
| public String toString() { |
| return "ScheduleCalendar[mDays=" + mDays + ", mSchedule=" + mSchedule + "]"; |
| } |
| |
| /** |
| * @return true if schedule will exit on alarm, else false |
| */ |
| public boolean exitAtAlarm() { |
| return mSchedule.exitAtAlarm; |
| } |
| |
| /** |
| * Sets schedule information |
| */ |
| public void setSchedule(ScheduleInfo schedule) { |
| if (Objects.equals(mSchedule, schedule)) return; |
| mSchedule = schedule; |
| updateDays(); |
| } |
| |
| /** |
| * Sets next alarm of the schedule if the saved next alarm has passed or is further |
| * in the future than given nextAlarm |
| * @param now current time in milliseconds |
| * @param nextAlarm time of next alarm in milliseconds |
| */ |
| public void maybeSetNextAlarm(long now, long nextAlarm) { |
| if (mSchedule != null && mSchedule.exitAtAlarm) { |
| // alarm canceled |
| if (nextAlarm == 0) { |
| mSchedule.nextAlarm = 0; |
| } |
| // only allow alarms in the future |
| if (nextAlarm > now) { |
| // store earliest alarm |
| if (mSchedule.nextAlarm == 0) { |
| mSchedule.nextAlarm = nextAlarm; |
| } else { |
| mSchedule.nextAlarm = Math.min(mSchedule.nextAlarm, nextAlarm); |
| } |
| } else if (mSchedule.nextAlarm < now) { |
| if (DEBUG) { |
| Log.d(TAG, "All alarms are in the past " + mSchedule.nextAlarm); |
| } |
| mSchedule.nextAlarm = 0; |
| } |
| } |
| } |
| |
| /** |
| * Set calendar time zone to tz |
| * @param tz current time zone |
| */ |
| public void setTimeZone(TimeZone tz) { |
| mCalendar.setTimeZone(tz); |
| } |
| |
| /** |
| * @param now current time in milliseconds |
| * @return next time this rule changes (starts or ends) |
| */ |
| public long getNextChangeTime(long now) { |
| if (mSchedule == null) return 0; |
| final long nextStart = getNextTime(now, mSchedule.startHour, mSchedule.startMinute); |
| final long nextEnd = getNextTime(now, mSchedule.endHour, mSchedule.endMinute); |
| long nextScheduleTime = Math.min(nextStart, nextEnd); |
| |
| return nextScheduleTime; |
| } |
| |
| private long getNextTime(long now, int hr, int min) { |
| final long time = getTime(now, hr, min); |
| return time <= now ? addDays(time, 1) : time; |
| } |
| |
| private long getTime(long millis, int hour, int min) { |
| mCalendar.setTimeInMillis(millis); |
| mCalendar.set(Calendar.HOUR_OF_DAY, hour); |
| mCalendar.set(Calendar.MINUTE, min); |
| mCalendar.set(Calendar.SECOND, 0); |
| mCalendar.set(Calendar.MILLISECOND, 0); |
| return mCalendar.getTimeInMillis(); |
| } |
| |
| /** |
| * @param time milliseconds since Epoch |
| * @return true if time is within the schedule, else false |
| */ |
| public boolean isInSchedule(long time) { |
| if (mSchedule == null || mDays.size() == 0) return false; |
| final long start = getTime(time, mSchedule.startHour, mSchedule.startMinute); |
| long end = getTime(time, mSchedule.endHour, mSchedule.endMinute); |
| if (end <= start) { |
| end = addDays(end, 1); |
| } |
| return isInSchedule(-1, time, start, end) || isInSchedule(0, time, start, end); |
| } |
| |
| /** |
| * @param alarm milliseconds since Epoch |
| * @param now milliseconds since Epoch |
| * @return true if alarm and now is within the schedule, else false |
| */ |
| public boolean isAlarmInSchedule(long alarm, long now) { |
| if (mSchedule == null || mDays.size() == 0) return false; |
| final long start = getTime(alarm, mSchedule.startHour, mSchedule.startMinute); |
| long end = getTime(alarm, mSchedule.endHour, mSchedule.endMinute); |
| if (end <= start) { |
| end = addDays(end, 1); |
| } |
| return (isInSchedule(-1, alarm, start, end) |
| && isInSchedule(-1, now, start, end)) |
| || (isInSchedule(0, alarm, start, end) |
| && isInSchedule(0, now, start, end)); |
| } |
| |
| /** |
| * @param time milliseconds since Epoch |
| * @return true if should exit at time for next alarm, else false |
| */ |
| public boolean shouldExitForAlarm(long time) { |
| if (mSchedule == null) { |
| return false; |
| } |
| return mSchedule.exitAtAlarm |
| && mSchedule.nextAlarm != 0 |
| && time >= mSchedule.nextAlarm |
| && isAlarmInSchedule(mSchedule.nextAlarm, time); |
| } |
| |
| private boolean isInSchedule(int daysOffset, long time, long start, long end) { |
| final int n = Calendar.SATURDAY; |
| final int day = ((getDayOfWeek(time) - 1) + (daysOffset % n) + n) % n + 1; |
| start = addDays(start, daysOffset); |
| end = addDays(end, daysOffset); |
| return mDays.contains(day) && time >= start && time < end; |
| } |
| |
| private int getDayOfWeek(long time) { |
| mCalendar.setTimeInMillis(time); |
| return mCalendar.get(Calendar.DAY_OF_WEEK); |
| } |
| |
| private void updateDays() { |
| mDays.clear(); |
| if (mSchedule != null && mSchedule.days != null) { |
| for (int i = 0; i < mSchedule.days.length; i++) { |
| mDays.add(mSchedule.days[i]); |
| } |
| } |
| } |
| |
| private long addDays(long time, int days) { |
| mCalendar.setTimeInMillis(time); |
| mCalendar.add(Calendar.DATE, days); |
| return mCalendar.getTimeInMillis(); |
| } |
| } |