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