git.maemo.org Git - jenirok/blob - src/daemon/calllistener.cpp

   1 /*
   2  * This file is part of Jenirok.
   3  *
   4  * Jenirok is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Jenirok is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Jenirok.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 #include <QtCore/QDebug>
  20 #include <QtCore/QTimer>
  21 #include "calllistener.h"
  22 #include "settings.h"
  23 #include "cache.h"
  24 #include "contactmanager.h"
  25 #include "connectionmanager.h"
  26 #include "sourcecoreconfig.h"
  27 #include "db.h"
  28
  29 namespace
  30 {
  31     const QString CALL_SERVICE_NAME = "com.nokia.csd";
  32     const QString CALL_SERVICE_PATH = "/com/nokia/csd/call";
  33     const QString CALL_SERVICE_INTERFACE = "com.nokia.csd.Call";
  34     const QString CALL_SERVICE_INSTANCE_NAME = "com.nokia.csd.Call.Instance";
  35     const QString CALL_SIGNAL_INCOMING = "Coming";
  36     const QString CALL_SIGNAL_RELEASE = "Release";
  37     const QString CALL_SIGNAL_TERMINATED = "Terminated";
  38 }
  39
  40 QDBusConnection CallListener::systemBus_ = QDBusConnection::systemBus();
  41
  42 CallListener::CallListener(): source_(0),
  43 closeConnection_(false), initialized_(false), box_(0), label_(0),
  44 retries_(-1), timer_(0)
  45 {
  46 }
  47
  48 CallListener::~CallListener()
  49 {
  50     end();
  51 }
  52
  53 bool CallListener::begin()
  54 {
  55     if(Settings::instance()->getConnectionType() == Settings::ALWAYS_ASK)
  56     {
  57         qDebug() << "Bad connection settings, unable to start";
  58         return false;
  59     }
  60
  61     sourceId_ = Source::stringToId(Settings::instance()->get("source"));
  62     SourceCoreConfig* config = SourceCoreConfig::getCoreConfig(sourceId_);
  63     config->getConfig(sourceConfig_);
  64     delete config;
  65
  66     systemBus_.connect(CALL_SERVICE_NAME,
  67                        CALL_SERVICE_PATH,
  68                        CALL_SERVICE_INTERFACE,
  69                        CALL_SIGNAL_INCOMING,
  70                        this,
  71                        SLOT(incomingCall(QDBusObjectPath, QString)));
  72
  73     systemBus_.connect(CALL_SERVICE_NAME,
  74                        CALL_SERVICE_PATH,
  75                        CALL_SERVICE_INTERFACE,
  76                        CALL_SIGNAL_RELEASE,
  77                        this,
  78                        SLOT(callTerminate()));
  79
  80     qDebug() << "Starting...";
  81
  82     return true;
  83
  84 }
  85
  86 void CallListener::end()
  87 {
  88     systemBus_.disconnect(CALL_SERVICE_NAME,
  89                           CALL_SERVICE_PATH,
  90                           CALL_SERVICE_INTERFACE,
  91                           CALL_SIGNAL_INCOMING,
  92                           this,
  93                           SLOT(incomingCall(QDBusObjectPath, QString)));
  94
  95     systemBus_.disconnect(CALL_SERVICE_NAME,
  96                           CALL_SERVICE_PATH,
  97                           CALL_SERVICE_INTERFACE,
  98                           CALL_SIGNAL_RELEASE,
  99                           this,
 100                           SLOT(callTerminate()));
 101
 102     searchClose();
 103     sourceConfig_.clear();
 104
 105 }
 106
 107 void CallListener::search(Source::SearchDetails const& details)
 108 {
 109     qDebug() << "Search called";
 110
 111     searchInit();
 112
 113     Source::Result result;
 114
 115     if(Cache::instance().findItem(details.query, result))
 116     {
 117
 118         qDebug() << "Found from cache";
 119
 120         showDelayedResult(createResult(result.name,
 121                                        result.street,
 122                                        result.city), BANNER_DELAY);
 123     }
 124     else
 125     {
 126         retries_ = 0;
 127         currentSearch_ = details.query;
 128
 129         if(!handleConnection())
 130         {
 131             qDebug() << "Unable to connect";
 132             return;
 133         }
 134
 135         showDelayedResult(tr("Searching..."), BANNER_DELAY);
 136
 137         qDebug() << "Starting to search...";
 138
 139         source_->search(details);
 140     }
 141
 142 }
 143
 144 void CallListener::requestFinished(QVector <Source::Result> const& results,
 145                                    Source::SearchDetails const& details,
 146                                    bool error)
 147 {
 148     // If box is not visible, the call must have been terminated already
 149     if(!initialized_ || !box_->isVisible())
 150     {
 151         return;
 152     }
 153
 154     QString message;
 155
 156     if(error)
 157     {
 158         qDebug() << "Error: " << source_->errorString();
 159
 160         if(retries_ < SEARCH_RETRIES && retries_ >= 0)
 161         {
 162             retries_++;
 163             source_->search(Source::SearchDetails(currentSearch_));
 164             return;
 165         }
 166         else
 167         {
 168             timedMessage_ = "";
 169             QString errorString;
 170             Source::Error error = source_->error();
 171
 172             switch(error)
 173             {
 174             case Source::TIMEOUT:
 175                 errorString = tr("Request timed out");
 176                 break;
 177             default:
 178                 errorString = source_->errorString();
 179                 break;
 180             }
 181
 182             showError(tr("Searching failed:") + " " + errorString + ".");
 183         }
 184     }
 185     else
 186     {
 187         timedMessage_ = "";
 188
 189         if(results.size() == 0)
 190         {
 191             message = tr("Phone number was not found");
 192             showResult(message);
 193         }
 194         else
 195         {
 196             message = createResult(results.at(0).name, results.at(0).street,
 197                                    results.at(0).city);
 198             showResult(message);
 199             Source::Result result = results.at(0);
 200             result.number = details.query;
 201             Cache::instance().addItem(result);
 202         }
 203     }
 204
 205     retries_ = -1;
 206     currentSearch_ = "";
 207
 208     if(closeConnection_)
 209     {
 210         closeConnection_ = false;
 211         ConnectionManager cm;
 212         cm.disconnect(true);
 213     }
 214 }
 215
 216 QString CallListener::createResult(QString const& name, QString const& street, QString const& city)
 217 {
 218     QString result = "<b>" + name + "</b>";
 219
 220     if(!street.isEmpty() || !city.isEmpty())
 221     {
 222         result += "<br>";
 223
 224         if(!street.isEmpty())
 225         {
 226             result += street + ", ";
 227         }
 228
 229         result += city;
 230     }
 231
 232     return result;
 233 }
 234
 235 void CallListener::showResult(QString const& text)
 236 {
 237     if(!initialized_)
 238     {
 239         return;
 240     }
 241
 242     label_->setText("<font color='black'>" + text + "</font>");
 243
 244     if(box_->isVisible())
 245     {
 246         box_->hide();
 247     }
 248
 249     box_->show();
 250 }
 251
 252 void CallListener::incomingCall(QDBusObjectPath path, QString number)
 253 {
 254     ContactManager cm;
 255
 256     if(!cm.numberExists(number))
 257     {
 258         qDebug() << "Number doesn't exist";
 259
 260         systemBus_.connect(CALL_SERVICE_NAME,
 261                            path.path(),
 262                            CALL_SERVICE_INSTANCE_NAME,
 263                            CALL_SIGNAL_TERMINATED,
 264                            this,
 265                            SLOT(callTerminate()));
 266
 267         search(Source::SearchDetails(number));
 268     }
 269     else
 270     {
 271         qDebug() << "Number exists";
 272     }
 273 }
 274
 275 void CallListener::callTerminate()
 276 {
 277     if(box_ && box_->isVisible())
 278     {
 279         box_->hide();
 280     }
 281
 282     if(closeConnection_)
 283     {
 284         closeConnection_ = false;
 285         ConnectionManager cm;
 286         cm.disconnect(true);
 287     }
 288
 289     searchClose();
 290 }
 291
 292 void CallListener::showDelayedResult(QString const& text, int delay)
 293 {
 294     timedMessage_ = text;
 295     QTimer::singleShot(delay, this, SLOT(showTimedMessage()));
 296 }
 297
 298 void CallListener::showTimedMessage()
 299 {
 300     if(timedMessage_.size() == 0 || !initialized_)
 301     {
 302         return;
 303     }
 304
 305     showResult(timedMessage_);
 306
 307     timedMessage_ = "";
 308 }
 309
 310 void CallListener::searchInit()
 311 {
 312     qDebug() << "Initializing search...";
 313
 314     if(initialized_)
 315     {
 316         qDebug() << "Already initialized";
 317         return;
 318     }
 319
 320     source_ = Source::getSource(sourceId_);
 321     SourceCoreConfig* config = SourceCoreConfig::getCoreConfig(sourceId_);
 322     config->loadFromConfig(sourceConfig_);
 323     config->apply(source_);
 324     delete config;
 325     source_->setMaxResults(1);
 326     source_->setFindNumber(false);
 327     source_->setTimeout(REQUEST_TIMEOUT);
 328
 329     connect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 330                                            Source::SearchDetails const&, bool)),
 331                                            this, SLOT(requestFinished(QVector <Source::Result> const&,
 332                                                                       Source::SearchDetails const&, bool)));
 333     box_ = new InformationBox;
 334     label_ = new QLabel("", box_);
 335     label_->setMargin(8);
 336     label_->setWordWrap(true);
 337     box_->setWidget(label_);
 338     initialized_ = true;
 339 }
 340
 341 void CallListener::searchClose()
 342 {
 343     initialized_ = false;
 344
 345     qDebug() << "Closing search...";
 346
 347     if(source_)
 348     {
 349         disconnect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 350                                                   Source::SearchDetails const&, bool)),
 351                                                   this, SLOT(requestFinished(QVector <Source::Result> const&,
 352                                                                              Source::SearchDetails const&, bool)));
 353     }
 354
 355     delete source_;
 356     source_ = 0;
 357     delete box_;
 358     box_ = 0;
 359     label_ = 0;
 360 }
 361
 362 bool CallListener::handleConnection()
 363 {
 364     if(!initialized_)
 365     {
 366         return false;
 367     }
 368
 369     ConnectionManager cm;
 370
 371     if(cm.isConnected())
 372     {
 373         closeConnection_ = false;
 374         return true;
 375     }
 376
 377     closeConnection_ = true;
 378
 379     Settings::ConnectionType configType = Settings::instance()->getConnectionType();
 380
 381     if(configType == Settings::ALWAYS_ASK)
 382     {
 383         showError(tr("Automatic connecting is not allowed by settings."), BANNER_DELAY);
 384         return false;
 385     }
 386
 387     showDelayedResult(tr("Connecting..."), BANNER_DELAY);
 388
 389     ConnectionManager::Connection best;
 390
 391     ConnectionManager::ConnectionType lookupType = ConnectionManager::NO_TYPE;
 392
 393     switch(configType)
 394     {
 395     case Settings::WLAN:
 396         lookupType = ConnectionManager::WLAN;
 397         break;
 398     case Settings::GPRS:
 399         lookupType = ConnectionManager::GPRS;
 400         break;
 401     default:
 402         lookupType = ConnectionManager::NO_TYPE;
 403         break;
 404     }
 405
 406     int cretries = 0;
 407     int scans = 0;
 408     bool found = false;
 409     int maxScans = GPRS_SCANS;
 410
 411     if(lookupType == ConnectionManager::WLAN)
 412     {
 413         maxScans = WLAN_SCANS;
 414     }
 415
 416     while(cretries < CONNECTION_LOOKUP_RETRIES)
 417     {
 418         if(!initialized_)
 419         {
 420             return false;
 421         }
 422
 423         if(scans < maxScans)
 424         {
 425             if(cm.getBestConnection(best, lookupType))
 426             {
 427                 found = true;
 428             }
 429
 430             scans++;
 431         }
 432
 433         // If there is only gprs connection available,
 434         // make sure that we are on 3g network
 435         if(found && (best.type != ConnectionManager::GPRS || is3g()))
 436         {
 437             break;
 438         }
 439
 440         if(found)
 441         {
 442             sleep(WAIT_BETWEEN_RETRIES);
 443         }
 444
 445         qDebug() << "No connections found, retrying...";
 446
 447         cretries++;
 448
 449     }
 450
 451     if(cretries >= CONNECTION_LOOKUP_RETRIES)
 452     {
 453         showError(tr("No available 3G or WLAN networks found."));
 454         return false;
 455     }
 456
 457     int retries = 0;
 458
 459     while(retries < CONNECT_RETRIES)
 460     {
 461         if(!initialized_)
 462         {
 463             return false;
 464         }
 465
 466         qDebug() << "Connecting to " << best.name;
 467
 468         if(cm.connect(best.id))
 469         {
 470             break;
 471         }
 472         else if(cm.error() == ConnectionManager::INVALID_IAP)
 473         {
 474             showError(tr("Selected access point doesn't exist."));
 475             return false;
 476         }
 477
 478         sleep(WAIT_BETWEEN_RETRIES);
 479
 480         qDebug() << "Unable to connect, retrying...";
 481         retries++;
 482
 483     }
 484
 485     if(initialized_ && retries >= CONNECT_RETRIES)
 486     {
 487         showError(tr("Unable to connect to network."));
 488         return false;
 489     }
 490
 491     return initialized_;
 492 }
 493
 494 void CallListener::showError(QString const& msg, int timeout)
 495 {
 496     qDebug() << "Error: " << msg;
 497
 498     if(!initialized_ || !box_)
 499     {
 500         return;
 501     }
 502
 503     box_->setTimeout(ERROR_BANNER_TIMEOUT);
 504
 505     if(timeout)
 506     {
 507         showDelayedResult(msg, timeout);
 508     }
 509     else
 510     {
 511         showResult(msg);
 512     }
 513 }
 514
 515 bool CallListener::is3g()
 516 {
 517     QDBusMessage msg = QDBusMessage::createMethodCall("com.nokia.phone.net",
 518                                                       "/com/nokia/phone/net",
 519                                                       "Phone.Net",
 520                                                       "get_registration_status");
 521
 522     QDBusMessage rep = systemBus_.call(msg);
 523
 524     if(rep.type() == QDBusMessage::ErrorMessage)
 525     {
 526         qDebug() << "Unable to get network status";
 527         return false;
 528     }
 529
 530     uint status = rep.arguments().value(6).toUInt();
 531
 532     if(status & 0x10) // 3.5G (HSUPA)
 533     {
 534         return true;
 535     }
 536     else if(status & 0x08) // 3G (HSDPA)
 537     {
 538         return true;
 539     }
 540
 541     // Something else
 542     return false;
 543 }
 544
 545 void CallListener::timerEvent(QTimerEvent* event)
 546 {
 547     Q_UNUSED(event);
 548     killTimer(timer_);
 549     timer_ = 0;
 550 }
 551
 552 void CallListener::sleep(int ms)
 553 {
 554     if(timer_)
 555     {
 556         killTimer(timer_);
 557     }
 558
 559     timer_ = startTimer(ms);
 560
 561     while(timer_)
 562     {
 563         QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents);
 564     }
 565 }