| 1 | package ro.ieval.fonbot; |
| 2 | |
| 3 | import static ro.ieval.fonbot.R.string.*; |
| 4 | import static ro.ieval.fonbot.Utils.toNonNull; |
| 5 | |
| 6 | import java.net.SocketTimeoutException; |
| 7 | import java.util.Collections; |
| 8 | import java.util.EnumSet; |
| 9 | import java.util.Set; |
| 10 | |
| 11 | import org.eclipse.jdt.annotation.Nullable; |
| 12 | |
| 13 | import ro.ieval.fonbot.Address.Protocol; |
| 14 | import ro.ieval.fonbot.Utils.OngoingEvent; |
| 15 | |
| 16 | import android.app.Notification; |
| 17 | import android.app.NotificationManager; |
| 18 | import android.app.PendingIntent; |
| 19 | import android.app.Service; |
| 20 | import android.content.Intent; |
| 21 | import android.content.IntentFilter; |
| 22 | import android.net.ConnectivityManager; |
| 23 | import android.os.IBinder; |
| 24 | import android.preference.PreferenceManager; |
| 25 | import android.support.v4.app.NotificationCompat; |
| 26 | import android.support.v4.content.LocalBroadcastManager; |
| 27 | import android.util.Log; |
| 28 | |
| 29 | /* |
| 30 | * Copyright © 2013 Marius Gavrilescu |
| 31 | * |
| 32 | * This file is part of FonBot. |
| 33 | * |
| 34 | * FonBot is free software: you can redistribute it and/or modify |
| 35 | * it under the terms of the GNU General Public License as published by |
| 36 | * the Free Software Foundation, either version 3 of the License, or |
| 37 | * (at your option) any later version. |
| 38 | * |
| 39 | * FonBot is distributed in the hope that it will be useful, |
| 40 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 41 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 42 | * GNU General Public License for more details. |
| 43 | * |
| 44 | * You should have received a copy of the GNU General Public License |
| 45 | * along with FonBot. If not, see <http://www.gnu.org/licenses/>. |
| 46 | */ |
| 47 | |
| 48 | /** |
| 49 | * Main service. |
| 50 | * |
| 51 | * @author Marius Gavrilescu |
| 52 | */ |
| 53 | public final class FonBotMainService extends Service { |
| 54 | /** |
| 55 | * Binder for the service. It lets clients get a reference to the service. |
| 56 | * |
| 57 | * @author Marius Gavrilescu <marius@ieval.ro> |
| 58 | */ |
| 59 | public final class Binder extends android.os.Binder{ |
| 60 | /** |
| 61 | * Get a reference to the {@link FonBotMainService} |
| 62 | * @return a reference to the {@link FonBotMainService} |
| 63 | */ |
| 64 | public FonBotMainService getService(){ |
| 65 | return FonBotMainService.this; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Runnable that continously long polls the server for commands |
| 71 | * |
| 72 | * @author Marius Gavrilescu <marius@ieval.ro> |
| 73 | */ |
| 74 | private final class LongPollRunnable implements Runnable{ |
| 75 | public void run(){ |
| 76 | final ConnectivityManager man=(ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE); |
| 77 | final HttpCallExecutableRunnable runnable=new HttpCallExecutableRunnable("/get", null, FonBotMainService.this, new PollResultCallback(FonBotMainService.this), false); |
| 78 | |
| 79 | Log.d("LongPollRunnable", "Long polling started"); |
| 80 | while(man.getActiveNetworkInfo() != null && man.getActiveNetworkInfo().isConnected()) |
| 81 | try { |
| 82 | runnable.doRun(); |
| 83 | } catch (final SocketTimeoutException e){ |
| 84 | Log.d("LongPollRunnable", "Socket timeout, refreshing connection"); |
| 85 | } catch (final Exception ex){ |
| 86 | ex.printStackTrace(); |
| 87 | break; |
| 88 | } |
| 89 | Log.d("LongPollRunnable", "Long polling stopped"); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Broadcast action: add an ongoing event |
| 95 | */ |
| 96 | public static final String ACTION_PUT_ONGOING="ro.ieval.fonbot.FonBotMainService.ACTION_PUT_ONGOING"; |
| 97 | /** |
| 98 | * Broadcast action: remove an ongoing event |
| 99 | */ |
| 100 | public static final String ACTION_DELETE_ONGOING="ro.ieval.fonbot.FonBotMainService.ACTION_DELETE_ONGOING"; |
| 101 | |
| 102 | /** |
| 103 | * Broadcast action: process a command received via SMS |
| 104 | */ |
| 105 | public static final String ACTION_PROCESS_COMMAND="ro.ieval.fonbot.FonBotMainService.ACTION_PROCESS_COMMAND"; |
| 106 | |
| 107 | /** |
| 108 | * Extra: command line |
| 109 | */ |
| 110 | public static final String EXTRA_COMMAND_LINE="ro.ieval.fonbot.FonBotMainService.EXTRA_COMMAND_LINE"; |
| 111 | |
| 112 | /** |
| 113 | * Extra: SMS originating address |
| 114 | */ |
| 115 | public static final String EXTRA_SMS_ORIGIN_ADDRESS="ro.ieval.fonbot.FonBotMainService.EXTRA_SMS_ORIGIN_ADDRESS"; |
| 116 | |
| 117 | /** |
| 118 | * Extra: ongoing event id |
| 119 | * |
| 120 | * @see OngoingEvent |
| 121 | * @see #ACTION_DELETE_ONGOING |
| 122 | * @see #ACTION_PUT_ONGOING |
| 123 | */ |
| 124 | public static final String EXTRA_ONGOING_ID="ro.ieval.fonbot.FonBotMainService.EXTRA_ONGOING_ID"; |
| 125 | /** |
| 126 | * Broadcast sent when the ongoing event list is updated. |
| 127 | */ |
| 128 | public static final String ACTION_ONGOING_UPDATE="ro.ieval.fonbot.FonBotMainService.ACTION_ONGOING_UPDATE"; |
| 129 | /** |
| 130 | * IntentFilter for events caught by the {@link DynamicEventReceiver} |
| 131 | */ |
| 132 | private static final IntentFilter DYNAMIC_BROADCAST_FILTER=new IntentFilter(); |
| 133 | |
| 134 | static{ |
| 135 | DYNAMIC_BROADCAST_FILTER.addAction(Intent.ACTION_BATTERY_CHANGED); |
| 136 | DYNAMIC_BROADCAST_FILTER.addAction(Intent.ACTION_HEADSET_PLUG); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * The one instance of {@link DynamicEventReceiver} |
| 141 | */ |
| 142 | private final DynamicEventReceiver receiver=new DynamicEventReceiver(); |
| 143 | /** |
| 144 | * Set of ongoing events. |
| 145 | */ |
| 146 | private final Set<OngoingEvent> ongoing=EnumSet.noneOf(OngoingEvent.class); |
| 147 | |
| 148 | /** true if running in foreground, false otherwise */ |
| 149 | private boolean isForeground = false; |
| 150 | |
| 151 | /** Thread that runs a {@link LongPollRunnable} */ |
| 152 | private Thread longPollThread; |
| 153 | |
| 154 | /** |
| 155 | * Get the set of ongoing events. |
| 156 | * |
| 157 | * @return a set of ongoing events |
| 158 | */ |
| 159 | public Set<OngoingEvent> getOngoingEvents(){ |
| 160 | return toNonNull(Collections.unmodifiableSet(ongoing)); |
| 161 | } |
| 162 | |
| 163 | @Override |
| 164 | public @Nullable IBinder onBind(final @Nullable Intent intent) { |
| 165 | return new Binder(); |
| 166 | } |
| 167 | |
| 168 | @Override |
| 169 | public void onCreate() { |
| 170 | super.onCreate(); |
| 171 | registerReceiver(receiver, DYNAMIC_BROADCAST_FILTER); |
| 172 | } |
| 173 | |
| 174 | @Override |
| 175 | public void onDestroy() { |
| 176 | super.onDestroy(); |
| 177 | unregisterReceiver(receiver); |
| 178 | } |
| 179 | |
| 180 | @Override |
| 181 | public int onStartCommand(final @Nullable Intent intent, final int flags, final int startId) { |
| 182 | final boolean showOngoing=PreferenceManager.getDefaultSharedPreferences(this).getBoolean("ongoing", false); |
| 183 | boolean updateNotification = false; |
| 184 | if(intent!=null && intent.getAction()==ACTION_PUT_ONGOING && intent.hasExtra(EXTRA_ONGOING_ID) && showOngoing){ |
| 185 | ongoing.add(OngoingEvent.values()[intent.getIntExtra(EXTRA_ONGOING_ID, 0)]); |
| 186 | LocalBroadcastManager.getInstance(this).sendBroadcast(new Intent(ACTION_ONGOING_UPDATE)); |
| 187 | updateNotification=true; |
| 188 | } |
| 189 | if(intent!=null && intent.getAction()==ACTION_DELETE_ONGOING && intent.hasExtra(EXTRA_ONGOING_ID) && showOngoing){ |
| 190 | ongoing.remove(OngoingEvent.values()[intent.getIntExtra(EXTRA_ONGOING_ID, 0)]); |
| 191 | LocalBroadcastManager.getInstance(this).sendBroadcast(new Intent(ACTION_ONGOING_UPDATE)); |
| 192 | updateNotification=true; |
| 193 | } |
| 194 | if(intent!=null && intent.getAction()==ACTION_PROCESS_COMMAND) { |
| 195 | final String cmdline = intent.getStringExtra(EXTRA_COMMAND_LINE); |
| 196 | final String origin = intent.getStringExtra(EXTRA_SMS_ORIGIN_ADDRESS); |
| 197 | final Address address= new Address(toNonNull(Protocol.SMS), origin);//NOPMD variable depends on originAddress |
| 198 | final String[] words=Utils.shellwords(toNonNull(cmdline)); |
| 199 | final String[] args=new String[words.length-1];//NOPMD variable size depends on words.length |
| 200 | System.arraycopy(words, 1, args, 0, args.length); |
| 201 | |
| 202 | Utils.processCommand(this, toNonNull(words[0]), args, toNonNull(address)); |
| 203 | } |
| 204 | |
| 205 | if(longPollThread == null || !longPollThread.isAlive()){ |
| 206 | longPollThread = new Thread(new LongPollRunnable()); |
| 207 | longPollThread.start(); |
| 208 | } |
| 209 | |
| 210 | ExecutableRunnable.retryTasks(); |
| 211 | |
| 212 | final boolean runForeground=PreferenceManager.getDefaultSharedPreferences(this).getBoolean("foreground", false); |
| 213 | if(!runForeground) |
| 214 | stopForeground(true); |
| 215 | |
| 216 | final NotificationManager man=(NotificationManager) getSystemService(NOTIFICATION_SERVICE); |
| 217 | final boolean shouldNotify=runForeground||!ongoing.isEmpty(); |
| 218 | if(shouldNotify && (updateNotification || runForeground != isForeground)){ |
| 219 | final Intent mainIntent=new Intent(this, FonBotMainActivity.class); |
| 220 | mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| 221 | final NotificationCompat.Builder builder=new NotificationCompat.Builder(this). |
| 222 | setContentText(getString(foreground_notification_text)). |
| 223 | setContentTitle(getString(foreground_notification_title)). |
| 224 | setSmallIcon(android.R.drawable.stat_notify_sync_noanim). |
| 225 | setPriority(NotificationCompat.PRIORITY_MIN). |
| 226 | setContentIntent(PendingIntent.getActivity(this, 0, mainIntent, 0)). |
| 227 | setOngoing(true); |
| 228 | |
| 229 | if(showOngoing && !ongoing.isEmpty()) { |
| 230 | final NotificationCompat.InboxStyle inboxBuilder=new NotificationCompat.InboxStyle(builder); |
| 231 | |
| 232 | for(final OngoingEvent event : ongoing) |
| 233 | inboxBuilder.addLine(getString(event.resource)); |
| 234 | |
| 235 | } |
| 236 | final Notification notification=builder.build(); |
| 237 | |
| 238 | if(runForeground) |
| 239 | startForeground(1337, notification); |
| 240 | else |
| 241 | man.notify(1337, notification); |
| 242 | } |
| 243 | |
| 244 | if(!shouldNotify) |
| 245 | man.cancel(1337); |
| 246 | isForeground=runForeground; |
| 247 | return START_STICKY; |
| 248 | } |
| 249 | } |