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 56 public CountdownConditionProvider() { 57 if (DEBUG) Slog.d(TAG, "new CountdownConditionProvider()"); 58 } 59 60 @Override 61 public ComponentName getComponent() { 62 return COMPONENT; 63 } 64 65 @Override 66 public boolean isValidConditionId(Uri id) { 67 return ZenModeConfig.isValidCountdownConditionId(id); 68 } 69 70 @Override 71 public void attachBase(Context base) { 72 attachBaseContext(base); 73 } 74 75 @Override 76 public void onBootComplete() { 77 // noop 78 } 79 80 @Override 81 public IConditionProvider asInterface() { 82 return (IConditionProvider) onBind(null); 83 } 84 85 @Override 86 public void dump(PrintWriter pw, DumpFilter filter) { 87 pw.println(" CountdownConditionProvider:"); 88 pw.print(" mConnected="); pw.println(mConnected); 89 pw.print(" mTime="); pw.println(mTime); 90 } 91 92 @Override 93 public void onConnected() { 94 if (DEBUG) Slog.d(TAG, "onConnected"); 95 mContext.registerReceiver(mReceiver, new IntentFilter(ACTION)); 96 mConnected = true; 97 } 98 99 @Override 100 public void onDestroy() { 101 super.onDestroy(); 102 if (DEBUG) Slog.d(TAG, "onDestroy"); 103 if (mConnected) { 104 mContext.unregisterReceiver(mReceiver); 105 } 106 mConnected = false; 107 } 108 109 @Override 110 public void onRequestConditions(int relevance) { 111 // by convention 112 } 113 114 @Override 115 public void onSubscribe(Uri conditionId) { 116 if (DEBUG) Slog.d(TAG, "onSubscribe " + conditionId); 117 mTime = ZenModeConfig.tryParseCountdownConditionId(conditionId); 118 final AlarmManager alarms = (AlarmManager) 119 mContext.getSystemService(Context.ALARM_SERVICE); 120 final Intent intent = new Intent(ACTION).putExtra(EXTRA_CONDITION_ID, conditionId) 121 .setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 122 final PendingIntent pendingIntent = PendingIntent.getBroadcast(mContext, REQUEST_CODE, 123 intent, PendingIntent.FLAG_UPDATE_CURRENT); 124 alarms.cancel(pendingIntent); 125 if (mTime > 0) { 126 final long now = System.currentTimeMillis(); 127 final CharSequence span = 128 DateUtils.getRelativeTimeSpanString(mTime, now, DateUtils.MINUTE_IN_MILLIS); 129 if (mTime <= now) { 130 // in the past, already false 131 notifyCondition(newCondition(mTime, Condition.STATE_FALSE)); 132 } else { 133 // in the future, set an alarm 134 alarms.setExact(AlarmManager.RTC_WAKEUP, mTime, pendingIntent); 135 } 136 if (DEBUG) Slog.d(TAG, String.format( 137 "%s %s for %s, %s in the future (%s), now=%s", 138 (mTime <= now ? "Not scheduling" : "Scheduling"), 139 ACTION, ts(mTime), mTime - now, span, ts(now))); 140 } 141 } 142 143 @Override 144 public void onUnsubscribe(Uri conditionId) { 145 // noop 146 } 147 148 private final class Receiver extends BroadcastReceiver { 149 @Override 150 public void onReceive(Context context, Intent intent) { 151 if (ACTION.equals(intent.getAction())) { 152 final Uri conditionId = intent.getParcelableExtra(EXTRA_CONDITION_ID); 153 final long time = ZenModeConfig.tryParseCountdownConditionId(conditionId); 154 if (DEBUG) Slog.d(TAG, "Countdown condition fired: " + conditionId); 155 if (time > 0) { 156 notifyCondition(newCondition(time, Condition.STATE_FALSE)); 157 } 158 } 159 } 160 } 161 162 private static final Condition newCondition(long time, int state) { 163 return new Condition(ZenModeConfig.toCountdownConditionId(time), 164 "", "", "", 0, state,Condition.FLAG_RELEVANT_NOW); 165 } 166 167 public static String tryParseDescription(Uri conditionUri) { 168 final long time = ZenModeConfig.tryParseCountdownConditionId(conditionUri); 169 if (time == 0) return null; 170 final long now = System.currentTimeMillis(); 171 final CharSequence span = 172 DateUtils.getRelativeTimeSpanString(time, now, DateUtils.MINUTE_IN_MILLIS); 173 return String.format("Scheduled for %s, %s in the future (%s), now=%s", 174 ts(time), time - now, span, ts(now)); 175 } 176 177 } 178
