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     DB::removeDatabase();
  52 }
  53
  54 bool CallListener::begin()
  55 {
  56     if(Settings::instance()->getConnectionType() == Settings::ALWAYS_ASK)
  57     {
  58         qDebug() << "Bad connection settings, unable to start";
  59         return false;
  60     }
  61
  62     sourceId_ = Source::stringToId(Settings::instance()->get("source"));
  63     QMap<QString, QString> tmpConfig;
  64     SourceCoreConfig* config = SourceCoreConfig::getCoreConfig(sourceId_);
  65     config->getConfig(tmpConfig);
  66     sourceConfig_ = tmpConfig;
  67     delete config;
  68
  69     systemBus_.connect(CALL_SERVICE_NAME,
  70                        CALL_SERVICE_PATH,
  71                        CALL_SERVICE_INTERFACE,
  72                        CALL_SIGNAL_INCOMING,
  73                        this,
  74                        SLOT(incomingCall(QDBusObjectPath, QString)));
  75
  76     systemBus_.connect(CALL_SERVICE_NAME,
  77                        CALL_SERVICE_PATH,
  78                        CALL_SERVICE_INTERFACE,
  79                        CALL_SIGNAL_RELEASE,
  80                        this,
  81                        SLOT(callTerminate()));
  82
  83     qDebug() << "Starting...";
  84
  85     return true;
  86
  87 }
  88
  89 void CallListener::end()
  90 {
  91     systemBus_.disconnect(CALL_SERVICE_NAME,
  92                           CALL_SERVICE_PATH,
  93                           CALL_SERVICE_INTERFACE,
  94                           CALL_SIGNAL_INCOMING,
  95                           this,
  96                           SLOT(incomingCall(QDBusObjectPath, QString)));
  97
  98     systemBus_.disconnect(CALL_SERVICE_NAME,
  99                           CALL_SERVICE_PATH,
 100                           CALL_SERVICE_INTERFACE,
 101                           CALL_SIGNAL_RELEASE,
 102                           this,
 103                           SLOT(callTerminate()));
 104
 105     searchClose();
 106     sourceConfig_.clear();
 107
 108 }
 109
 110 void CallListener::search(Source::SearchDetails const& details)
 111 {
 112     qDebug() << "Search called";
 113
 114     searchInit();
 115
 116     Source::Result result;
 117
 118     if(Cache::instance().findItem(details.query, result))
 119     {
 120
 121         qDebug() << "Found from cache";
 122
 123         showDelayedResult(createResult(result.name,
 124                                        result.street,
 125                                        result.city), BANNER_DELAY);
 126     }
 127     else
 128     {
 129         retries_ = 0;
 130         currentSearch_ = details.query;
 131
 132         if(!handleConnection())
 133         {
 134             qDebug() << "Unable to connect";
 135             return;
 136         }
 137
 138         showDelayedResult(tr("Searching..."), BANNER_DELAY);
 139
 140         qDebug() << "Starting to search...";
 141
 142         source_->search(details);
 143     }
 144
 145 }
 146
 147 void CallListener::requestFinished(QVector <Source::Result> const& results,
 148                                    Source::SearchDetails const& details,
 149                                    bool error)
 150 {
 151     if(closeConnection_)
 152     {
 153         closeConnection_ = false;
 154         ConnectionManager cm;
 155         cm.disconnect(true);
 156     }
 157
 158     // If box is not visible, the call must have been terminated already
 159     if(!initialized_ || !box_->isVisible())
 160     {
 161         return;
 162     }
 163
 164     QString message;
 165
 166     if(error)
 167     {
 168         qDebug() << "Error: " << source_->errorString();
 169
 170         if(retries_ < SEARCH_RETRIES && retries_ >= 0)
 171         {
 172             retries_++;
 173             source_->search(Source::SearchDetails(currentSearch_, "", Source::BOTH));
 174             return;
 175         }
 176         else
 177         {
 178             timedMessage_ = "";
 179             QString errorString;
 180             Source::Error error = source_->error();
 181
 182             switch(error)
 183             {
 184             case Source::TIMEOUT:
 185                 errorString = tr("Request timed out");
 186                 break;
 187             default:
 188                 errorString = source_->errorString();
 189                 break;
 190             }
 191
 192             showError(tr("Searching failed:") + " " + errorString + ".");
 193         }
 194     }
 195     else
 196     {
 197         timedMessage_ = "";
 198
 199         if(results.size() == 0)
 200         {
 201             message = tr("Phone number was not found");
 202             showResult(message);
 203         }
 204         else
 205         {
 206             message = createResult(results.at(0).name, results.at(0).street,
 207                                    results.at(0).city);
 208             showResult(message);
 209             Source::Result result = results.at(0);
 210             result.number = details.query;
 211             Cache::instance().addItem(result);
 212         }
 213     }
 214
 215     retries_ = -1;
 216     currentSearch_ = "";
 217 }
 218
 219 QString CallListener::createResult(QString const& name, QString const& street, QString const& city)
 220 {
 221     QString result = "<b>" + name + "</b>";
 222
 223     if(!street.isEmpty() || !city.isEmpty())
 224     {
 225         result += "<br>";
 226
 227         if(!street.isEmpty())
 228         {
 229             result += street + ", ";
 230         }
 231
 232         result += city;
 233     }
 234
 235     return result;
 236 }
 237
 238 void CallListener::showResult(QString const& text)
 239 {
 240     if(!initialized_)
 241     {
 242         return;
 243     }
 244
 245     label_->setText("<font color='black'>" + text + "</font>");
 246
 247     if(box_->isVisible())
 248     {
 249         box_->hide();
 250     }
 251
 252     box_->show();
 253 }
 254
 255 void CallListener::incomingCall(QDBusObjectPath path, QString number)
 256 {
 257     ContactManager cm;
 258
 259     if(!cm.numberExists(number))
 260     {
 261         qDebug() << "Number doesn't exist";
 262
 263         systemBus_.connect(CALL_SERVICE_NAME,
 264                            path.path(),
 265                            CALL_SERVICE_INSTANCE_NAME,
 266                            CALL_SIGNAL_TERMINATED,
 267                            this,
 268                            SLOT(callTerminate()));
 269
 270         search(Source::SearchDetails(number, "", Source::BOTH));
 271     }
 272     else
 273     {
 274         qDebug() << "Number exists";
 275     }
 276 }
 277
 278 void CallListener::callTerminate()
 279 {
 280     if(box_ && box_->isVisible())
 281     {
 282         box_->hide();
 283     }
 284
 285     searchClose();
 286 }
 287
 288 void CallListener::showDelayedResult(QString const& text, int delay)
 289 {
 290     timedMessage_ = text;
 291     QTimer::singleShot(delay, this, SLOT(showTimedMessage()));
 292 }
 293
 294 void CallListener::showTimedMessage()
 295 {
 296     if(timedMessage_.size() == 0 || !initialized_)
 297     {
 298         return;
 299     }
 300
 301     showResult(timedMessage_);
 302
 303     timedMessage_ = "";
 304 }
 305
 306 void CallListener::searchInit()
 307 {
 308     qDebug() << "Initializing search...";
 309
 310     if(initialized_)
 311     {
 312         qDebug() << "Already initialized";
 313         return;
 314     }
 315
 316     source_ = Source::getSource(sourceId_);
 317     SourceCoreConfig* config = SourceCoreConfig::getCoreConfig(sourceId_);
 318     config->loadFromConfig(sourceConfig_);
 319     config->apply(source_);
 320     delete config;
 321     source_->setMaxResults(1);
 322     source_->setFindNumber(false);
 323     source_->setTimeout(REQUEST_TIMEOUT);
 324
 325     connect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 326                                            Source::SearchDetails const&, bool)),
 327                                            this, SLOT(requestFinished(QVector <Source::Result> const&,
 328                                                                       Source::SearchDetails const&, bool)));
 329     box_ = new InformationBox;
 330     label_ = new QLabel("", box_);
 331     label_->setMargin(8);
 332     label_->setWordWrap(true);
 333     box_->setWidget(label_);
 334     initialized_ = true;
 335 }
 336
 337 void CallListener::searchClose()
 338 {
 339     if(!initialized_)
 340     {
 341         return;
 342     }
 343
 344     initialized_ = false;
 345
 346     qDebug() << "Closing search...";
 347
 348     if(source_)
 349     {
 350         disconnect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 351                                                   Source::SearchDetails const&, bool)),
 352                                                   this, SLOT(requestFinished(QVector <Source::Result> const&,
 353                                                                              Source::SearchDetails const&, bool)));
 354     }
 355
 356     delete source_;
 357     source_ = 0;
 358     delete box_;
 359     box_ = 0;
 360     label_ = 0;
 361
 362     if(closeConnection_)
 363     {
 364         closeConnection_ = false;
 365         ConnectionManager cm;
 366         cm.disconnect(true);
 367     }
 368 }
 369
 370 bool CallListener::handleConnection()
 371 {
 372     if(!initialized_)
 373     {
 374         return false;
 375     }
 376
 377     ConnectionManager cm;
 378
 379     if(cm.isConnected())
 380     {
 381         closeConnection_ = false;
 382         return true;
 383     }
 384
 385     closeConnection_ = true;
 386
 387     Settings::ConnectionType configType = Settings::instance()->getConnectionType();
 388
 389     if(configType == Settings::ALWAYS_ASK)
 390     {
 391         showError(tr("Automatic connecting is not allowed by settings."), BANNER_DELAY);
 392         return false;
 393     }
 394
 395     showDelayedResult(tr("Connecting..."), BANNER_DELAY);
 396
 397     ConnectionManager::Connection best;
 398
 399     ConnectionManager::ConnectionType lookupType = ConnectionManager::NO_TYPE;
 400
 401     switch(configType)
 402     {
 403     case Settings::WLAN:
 404         lookupType = ConnectionManager::WLAN;
 405         break;
 406     case Settings::GPRS:
 407         lookupType = ConnectionManager::GPRS;
 408         break;
 409     default:
 410         lookupType = ConnectionManager::NO_TYPE;
 411         break;
 412     }
 413
 414     int cretries = 0;
 415     int scans = 0;
 416     bool found = false;
 417     int maxScans = GPRS_SCANS;
 418
 419     if(lookupType != ConnectionManager::GPRS)
 420     {
 421         maxScans = WLAN_SCANS;
 422     }
 423
 424     while(cretries < CONNECTION_LOOKUP_RETRIES)
 425     {
 426         if(!initialized_)
 427         {
 428             return false;
 429         }
 430
 431         if(scans < maxScans)
 432         {
 433             if(cm.getBestConnection(best, lookupType))
 434             {
 435                 found = true;
 436             }
 437
 438             scans++;
 439         }
 440
 441         // If there is only gprs connection available,
 442         // make sure that we are on 3g network
 443         if(found && (best.type != ConnectionManager::GPRS || is3g()))
 444         {
 445             break;
 446         }
 447
 448         if(found)
 449         {
 450             sleep(WAIT_BETWEEN_RETRIES);
 451         }
 452
 453         qDebug() << "No connections found, retrying...";
 454
 455         cretries++;
 456
 457     }
 458
 459     if(cretries >= CONNECTION_LOOKUP_RETRIES)
 460     {
 461         showError(tr("No available 3G or WLAN networks found."));
 462         return false;
 463     }
 464
 465     int retries = 0;
 466
 467     while(retries < CONNECT_RETRIES)
 468     {
 469         if(!initialized_)
 470         {
 471             return false;
 472         }
 473
 474         qDebug() << "Connecting to " << best.name;
 475
 476         if(cm.connect(best.id))
 477         {
 478             break;
 479         }
 480         else if(cm.error() == ConnectionManager::INVALID_IAP)
 481         {
 482             showError(tr("Selected access point doesn't exist."));
 483             return false;
 484         }
 485
 486         retries++;
 487
 488         qDebug() << "Unable to connect, retrying...";
 489
 490         if(retries < CONNECT_RETRIES)
 491         {
 492             sendRetrySignal(best.id, initialized_);
 493         }
 494
 495     }
 496
 497     if(retries >= CONNECT_RETRIES)
 498     {
 499         sendRetrySignal(best.id, false);
 500
 501         if(initialized_)
 502         {
 503             showError(tr("Unable to connect to network."));
 504         }
 505
 506         return false;
 507     }
 508
 509     return initialized_;
 510 }
 511
 512 void CallListener::showError(QString const& msg, int timeout)
 513 {
 514     qDebug() << "Error: " << msg;
 515
 516     if(!initialized_ || !box_)
 517     {
 518         return;
 519     }
 520
 521     box_->setTimeout(ERROR_BANNER_TIMEOUT);
 522
 523     if(timeout)
 524     {
 525         showDelayedResult(msg, timeout);
 526     }
 527     else
 528     {
 529         showResult(msg);
 530     }
 531 }
 532
 533 bool CallListener::is3g()
 534 {
 535     QDBusMessage msg = QDBusMessage::createMethodCall("com.nokia.phone.net",
 536                                                       "/com/nokia/phone/net",
 537                                                       "Phone.Net",
 538                                                       "get_registration_status");
 539
 540     QDBusMessage rep = systemBus_.call(msg);
 541
 542     if(rep.type() == QDBusMessage::ErrorMessage)
 543     {
 544         qDebug() << "Unable to get network status";
 545         return false;
 546     }
 547
 548     uint status = rep.arguments().value(6).toUInt();
 549
 550     if(status & 0x10 || status & 0x08)
 551     {
 552         return true;
 553     }
 554
 555     return false;
 556 }
 557
 558 void CallListener::sendRetrySignal(QString const& iap, bool retry)
 559 {
 560     QDBusMessage msg = QDBusMessage::createSignal("/com/nokia/icd_ui",
 561                                                   "com.nokia.icd_ui",
 562                                                   "retry");
 563
 564     QList<QVariant> arguments;
 565     arguments.append(QVariant(iap));
 566     arguments.append(QVariant(retry));
 567     msg.setArguments(arguments);
 568
 569     QDBusConnection::systemBus().send(msg);
 570
 571     qDebug() << "Retry signal sent";
 572 }
 573
 574 void CallListener::timerEvent(QTimerEvent* event)
 575 {
 576     Q_UNUSED(event);
 577     killTimer(timer_);
 578     timer_ = 0;
 579 }
 580
 581 void CallListener::sleep(int ms)
 582 {
 583     if(timer_)
 584     {
 585         killTimer(timer_);
 586     }
 587
 588     timer_ = startTimer(ms);
 589
 590     while(timer_)
 591     {
 592         QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents);
 593     }
 594 }