ScheduleCalendar.java revision 9eb2c1e85cd5def851ebe833a7f56a49f00e448f
1/** 2 * Copyright (c) 2014, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.notification; 18 19import android.service.notification.ZenModeConfig.ScheduleInfo; 20import android.util.ArraySet; 21 22import java.util.Calendar; 23import java.util.Objects; 24import java.util.TimeZone; 25 26public class ScheduleCalendar { 27 private final ArraySet<Integer> mDays = new ArraySet<Integer>(); 28 private final Calendar mCalendar = Calendar.getInstance(); 29 30 private ScheduleInfo mSchedule; 31 32 @Override 33 public String toString() { 34 return "ScheduleCalendar[mDays=" + mDays + ", mSchedule=" + mSchedule + "]"; 35 } 36 37 public void setSchedule(ScheduleInfo schedule) { 38 if (Objects.equals(mSchedule, schedule)) return; 39 mSchedule = schedule; 40 updateDays(); 41 } 42 43 public void maybeSetNextAlarm(long now, long nextAlarm) { 44 if (mSchedule != null) { 45 if (mSchedule.exitAtAlarm && now > mSchedule.nextAlarm) { 46 mSchedule.nextAlarm = nextAlarm; 47 } 48 } 49 } 50 51 public void setTimeZone(TimeZone tz) { 52 mCalendar.setTimeZone(tz); 53 } 54 55 public long getNextChangeTime(long now) { 56 if (mSchedule == null) return 0; 57 final long nextStart = getNextTime(now, mSchedule.startHour, mSchedule.startMinute); 58 final long nextEnd = getNextTime(now, mSchedule.endHour, mSchedule.endMinute); 59 long nextScheduleTime = Math.min(nextStart, nextEnd); 60 61 return nextScheduleTime; 62 } 63 64 private long getNextTime(long now, int hr, int min) { 65 final long time = getTime(now, hr, min); 66 return time <= now ? addDays(time, 1) : time; 67 } 68 69 private long getTime(long millis, int hour, int min) { 70 mCalendar.setTimeInMillis(millis); 71 mCalendar.set(Calendar.HOUR_OF_DAY, hour); 72 mCalendar.set(Calendar.MINUTE, min); 73 mCalendar.set(Calendar.SECOND, 0); 74 mCalendar.set(Calendar.MILLISECOND, 0); 75 return mCalendar.getTimeInMillis(); 76 } 77 78 public boolean isInSchedule(long time) { 79 if (mSchedule == null || mDays.size() == 0) return false; 80 final long start = getTime(time, mSchedule.startHour, mSchedule.startMinute); 81 long end = getTime(time, mSchedule.endHour, mSchedule.endMinute); 82 if (end <= start) { 83 end = addDays(end, 1); 84 } 85 boolean isInSchedule = 86 isInSchedule(-1, time, start, end) || isInSchedule(0, time, start, end); 87 if (isInSchedule && mSchedule.exitAtAlarm 88 && mSchedule.nextAlarm != 0 89 && time >= mSchedule.nextAlarm) { 90 return false; 91 } else { 92 return isInSchedule; 93 } 94 } 95 96 private boolean isInSchedule(int daysOffset, long time, long start, long end) { 97 final int n = Calendar.SATURDAY; 98 final int day = ((getDayOfWeek(time) - 1) + (daysOffset % n) + n) % n + 1; 99 start = addDays(start, daysOffset); 100 end = addDays(end, daysOffset); 101 return mDays.contains(day) && time >= start && time < end; 102 } 103 104 private int getDayOfWeek(long time) { 105 mCalendar.setTimeInMillis(time); 106 return mCalendar.get(Calendar.DAY_OF_WEEK); 107 } 108 109 private void updateDays() { 110 mDays.clear(); 111 if (mSchedule != null && mSchedule.days != null) { 112 for (int i = 0; i < mSchedule.days.length; i++) { 113 mDays.add(mSchedule.days[i]); 114 } 115 } 116 } 117 118 private long addDays(long time, int days) { 119 mCalendar.setTimeInMillis(time); 120 mCalendar.add(Calendar.DATE, days); 121 return mCalendar.getTimeInMillis(); 122 } 123} 124