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 17 package com.android.server.notification; 18 19 import android.app.AlarmManager; 20 import android.app.PendingIntent; 21 import android.content.BroadcastReceiver; 22 import android.content.ComponentName; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.content.IntentFilter; 26 import android.net.Uri; 27 import android.service.notification.Condition; 28 import android.service.notification.IConditionProvider; 29 import android.service.notification.ZenModeConfig; 30 import android.text.format.DateUtils; 31 import android.util.Log; 32 import android.util.Slog; 33 34 import com.android.server.notification.NotificationManagerService.DumpFilter; 35 36 import java.io.PrintWriter; 37 38 /** Built-in zen condition provider for simple time-based conditions */ 39 public class CountdownConditionProvider extends SystemConditionProviderService { 40 private static final String TAG = "ConditionProviders.CCP"; 41 private static final boolean DEBUG = Log.isLoggable("ConditionProviders", Log.DEBUG); 42 43 public static final ComponentName COMPONENT = 44 new ComponentName("android", CountdownConditionProvider.class.getName()); 45 46 private static final String ACTION = CountdownConditionProvider.class.getName(); 47 private static final int REQUEST_CODE = 100; 48 private static final String EXTRA_CONDITION_ID = "condition_id"; 49 50 private final Context mContext = this; 51 private final Receiver mReceiver = new Receiver(); 52 53 private boolean mConnected; 54 private long mTime; 55 private boolean mIsAlarm; 56 57 public CountdownConditionProvider() { 58 if (DEBUG) Slog.d(TAG, "new CountdownConditionProvider()"); 59 } 60 61 @Override 62 public ComponentName getComponent() { 63 return COMPONENT; 64 } 65 66 @Override 67 public boolean isValidConditionId(Uri id) { 68 return ZenModeConfig.isValidCountdownConditionId(id); 69 } 70 71 @Override 72 public void attachBase(Context base) { 73 attachBaseContext(base); 74 } 75 76 @Override 77 public void onBootComplete() { 78 // noop 79 } 80 81 @Override 82 public IConditionProvider asInterface() { 83 return (IConditionProvider) onBind(null); 84 } 85 86 @Override 87 public void dump(PrintWriter pw, DumpFilter filter) { 88 pw.println(" CountdownConditionProvider:"); 89 pw.print(" mConnected="); pw.println(mConnected); 90 pw.print(" mTime="); pw.println(mTime); 91 } 92 93 @Override 94 public void onConnected() { 95 if (DEBUG) Slog.d(TAG, "onConnected"); 96 mContext.registerReceiver(mReceiver, new IntentFilter(ACTION)); 97 mConnected = true; 98 } 99 100 @Override 101 public void onDestroy() { 102 super.onDestroy(); 103 if (DEBUG) Slog.d(TAG, "onDestroy"); 104 if (mConnected) { 105 mContext.unregisterReceiver(mReceiver); 106 } 107 mConnected = false; 108 } 109 110 @Override 111 public void onSubscribe(Uri conditionId) { 112 if (DEBUG) Slog.d(TAG, "onSubscribe " + conditionId); 113 mTime = ZenModeConfig.tryParseCountdownConditionId(conditionId); 114 mIsAlarm = ZenModeConfig.isValidCountdownToAlarmConditionId(conditionId); 115 final AlarmManager alarms = (AlarmManager) 116 mContext.getSystemService(Context.ALARM_SERVICE); 117 final Intent intent = new Intent(ACTION) 118 .putExtra(EXTRA_CONDITION_ID, conditionId) 119 .setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 120 final PendingIntent pendingIntent = PendingIntent.getBroadcast(mContext, REQUEST_CODE, 121 intent, PendingIntent.FLAG_UPDATE_CURRENT); 122 alarms.cancel(pendingIntent); 123 if (mTime > 0) { 124 final long now = System.currentTimeMillis(); 125 final CharSequence span = 126 DateUtils.getRelativeTimeSpanString(mTime, now, DateUtils.MINUTE_IN_MILLIS); 127 if (mTime <= now) { 128 // in the past, already false 129 notifyCondition(newCondition(mTime, mIsAlarm, Condition.STATE_FALSE)); 130 } else { 131 // in the future, set an alarm 132 alarms.setExact(AlarmManager.RTC_WAKEUP, mTime, pendingIntent); 133 } 134 if (DEBUG) Slog.d(TAG, String.format( 135 "%s %s for %s, %s in the future (%s), now=%s", 136 (mTime <= now ? "Not scheduling" : "Scheduling"), 137 ACTION, ts(mTime), mTime - now, span, ts(now))); 138 } 139 } 140 141 @Override 142 public void onUnsubscribe(Uri conditionId) { 143 // noop 144 } 145 146 private final class Receiver extends BroadcastReceiver { 147 @Override 148 public void onReceive(Context context, Intent intent) { 149 if (ACTION.equals(intent.getAction())) { 150 final Uri conditionId = intent.getParcelableExtra(EXTRA_CONDITION_ID); 151 final boolean alarm = ZenModeConfig.isValidCountdownToAlarmConditionId(conditionId); 152 final long time = ZenModeConfig.tryParseCountdownConditionId(conditionId); 153 if (DEBUG) Slog.d(TAG, "Countdown condition fired: " + conditionId); 154 if (time > 0) { 155 notifyCondition(newCondition(time, alarm, Condition.STATE_FALSE)); 156 } 157 } 158 } 159 } 160 161 private static final Condition newCondition(long time, boolean alarm, int state) { 162 return new Condition(ZenModeConfig.toCountdownConditionId(time, alarm), 163 "", "", "", 0, state,Condition.FLAG_RELEVANT_NOW); 164 } 165 166 public static String tryParseDescription(Uri conditionUri) { 167 final long time = ZenModeConfig.tryParseCountdownConditionId(conditionUri); 168 if (time == 0) return null; 169 final long now = System.currentTimeMillis(); 170 final CharSequence span = 171 DateUtils.getRelativeTimeSpanString(time, now, DateUtils.MINUTE_IN_MILLIS); 172 return String.format("Scheduled for %s, %s in the future (%s), now=%s", 173 ts(time), time - now, span, ts(now)); 174 } 175 176 } 177
