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 java.util.Calendar; 20import java.util.Objects; 21import java.util.TimeZone; 22 23import android.service.notification.ZenModeConfig; 24import android.service.notification.ZenModeConfig.DowntimeInfo; 25import android.util.ArraySet; 26 27public class DowntimeCalendar { 28 29 private final ArraySet<Integer> mDays = new ArraySet<Integer>(); 30 private final Calendar mCalendar = Calendar.getInstance(); 31 32 private DowntimeInfo mInfo; 33 34 @Override 35 public String toString() { 36 return "DowntimeCalendar[mDays=" + mDays + "]"; 37 } 38 39 public void setDowntimeInfo(DowntimeInfo info) { 40 if (Objects.equals(mInfo, info)) return; 41 mInfo = info; 42 updateDays(); 43 } 44 45 public long nextDowntimeStart(long time) { 46 if (mInfo == null || mDays.size() == 0) return Long.MAX_VALUE; 47 final long start = getTime(time, mInfo.startHour, mInfo.startMinute); 48 for (int i = 0; i < Calendar.SATURDAY; i++) { 49 final long t = addDays(start, i); 50 if (t > time && isInDowntime(t)) { 51 return t; 52 } 53 } 54 return Long.MAX_VALUE; 55 } 56 57 public void setTimeZone(TimeZone tz) { 58 mCalendar.setTimeZone(tz); 59 } 60 61 public long getNextTime(long now, int hr, int min) { 62 final long time = getTime(now, hr, min); 63 return time <= now ? addDays(time, 1) : time; 64 } 65 66 private long getTime(long millis, int hour, int min) { 67 mCalendar.setTimeInMillis(millis); 68 mCalendar.set(Calendar.HOUR_OF_DAY, hour); 69 mCalendar.set(Calendar.MINUTE, min); 70 mCalendar.set(Calendar.SECOND, 0); 71 mCalendar.set(Calendar.MILLISECOND, 0); 72 return mCalendar.getTimeInMillis(); 73 } 74 75 public boolean isInDowntime(long time) { 76 if (mInfo == null || mDays.size() == 0) return false; 77 final long start = getTime(time, mInfo.startHour, mInfo.startMinute); 78 long end = getTime(time, mInfo.endHour, mInfo.endMinute); 79 if (end <= start) { 80 end = addDays(end, 1); 81 } 82 return isInDowntime(-1, time, start, end) || isInDowntime(0, time, start, end); 83 } 84 85 private boolean isInDowntime(int daysOffset, long time, long start, long end) { 86 final int n = Calendar.SATURDAY; 87 final int day = ((getDayOfWeek(time) - 1) + (daysOffset % n) + n) % n + 1; 88 start = addDays(start, daysOffset); 89 end = addDays(end, daysOffset); 90 return mDays.contains(day) && time >= start && time < end; 91 } 92 93 private int getDayOfWeek(long time) { 94 mCalendar.setTimeInMillis(time); 95 return mCalendar.get(Calendar.DAY_OF_WEEK); 96 } 97 98 private void updateDays() { 99 mDays.clear(); 100 if (mInfo != null) { 101 final int[] days = ZenModeConfig.tryParseDays(mInfo.mode); 102 for (int i = 0; days != null && i < days.length; i++) { 103 mDays.add(days[i]); 104 } 105 } 106 } 107 108 private long addDays(long time, int days) { 109 mCalendar.setTimeInMillis(time); 110 mCalendar.add(Calendar.DATE, days); 111 return mCalendar.getTimeInMillis(); 112 } 113} 114