vcs.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
  81     qDebug() << "Starting...";
  82
  83     return true;
  84
  85 }
  86
  87 void CallListener::end()
  88 {
  89     systemBus_.disconnect(CALL_SERVICE_NAME,
  90                           CALL_SERVICE_PATH,
  91                           CALL_SERVICE_INTERFACE,
  92                           CALL_SIGNAL_INCOMING,
  93                           this,
  94                           SLOT(incomingCall(QDBusObjectPath, QString)));
  95
  96     systemBus_.disconnect(CALL_SERVICE_NAME,
  97                           CALL_SERVICE_PATH,
  98                           CALL_SERVICE_INTERFACE,
  99                           CALL_SIGNAL_RELEASE,
 100                           this,
 101                           SLOT(callTerminate()));
 102
 103     searchClose();
 104     sourceConfig_.clear();
 105
 106 }
 107
 108 void CallListener::search(Source::SearchDetails const& details)
 109 {
 110     qDebug() << "Search called";
 111
 112     searchInit();
 113
 114     Source::Result result;
 115
 116     if(Cache::instance().findItem(details.query, result))
 117     {
 118
 119         qDebug() << "Found from cache";
 120
 121         showDelayedResult(createResult(result.name,
 122                                        result.street,
 123                                        result.city), BANNER_DELAY);
 124     }
 125     else
 126     {
 127         retries_ = 0;
 128         currentSearch_ = details.query;
 129
 130         if(!handleConnection())
 131         {
 132             qDebug() << "Unable to connect";
 133             return;
 134         }
 135
 136         showDelayedResult(tr("Searching..."), BANNER_DELAY);
 137
 138         qDebug() << "Starting to search...";
 139
 140         source_->search(details);
 141     }
 142
 143 }
 144
 145 void CallListener::requestFinished(QVector <Source::Result> const& results,
 146                                    Source::SearchDetails const& details,
 147                                    bool error)
 148 {
 149     // If box is not visible, the call must have been terminated already
 150     if(!initialized_ || !box_->isVisible())
 151     {
 152         return;
 153     }
 154
 155     QString message;
 156
 157     if(error)
 158     {
 159         qDebug() << "Error: " << source_->errorString();
 160
 161         if(retries_ < SEARCH_RETRIES && retries_ >= 0)
 162         {
 163             retries_++;
 164             source_->search(Source::SearchDetails(currentSearch_));
 165             return;
 166         }
 167         else
 168         {
 169             timedMessage_ = "";
 170             QString errorString;
 171             Source::Error error = source_->error();
 172
 173             switch(error)
 174             {
 175             case Source::TIMEOUT:
 176                 errorString = tr("Request timed out");
 177                 break;
 178             default:
 179                 errorString = source_->errorString();
 180                 break;
 181             }
 182
 183             showError(tr("Searching failed:") + " " + errorString + ".");
 184         }
 185     }
 186     else
 187     {
 188         timedMessage_ = "";
 189
 190         if(results.size() == 0)
 191         {
 192             message = tr("Phone number was not found");
 193             showResult(message);
 194         }
 195         else
 196         {
 197             message = createResult(results.at(0).name, results.at(0).street,
 198                                    results.at(0).city);
 199             showResult(message);
 200             Source::Result result = results.at(0);
 201             result.number = details.query;
 202             Cache::instance().addItem(result);
 203         }
 204     }
 205
 206     retries_ = -1;
 207     currentSearch_ = "";
 208
 209     if(closeConnection_)
 210     {
 211         ConnectionManager cm;
 212         cm.disconnect(true);
 213         closeConnection_ = false;
 214     }
 215 }
 216
 217 QString CallListener::createResult(QString const& name, QString const& street, QString const& city)
 218 {
 219     QString result = "<b>" + name + "</b>";
 220
 221     if(!street.isEmpty() || !city.isEmpty())
 222     {
 223         result += "<br>";
 224
 225         if(!street.isEmpty())
 226         {
 227             result += street + ", ";
 228         }
 229
 230         result += city;
 231     }
 232
 233     return result;
 234 }
 235
 236 void CallListener::showResult(QString const& text)
 237 {
 238     if(!initialized_)
 239     {
 240         return;
 241     }
 242
 243     label_->setText("<font color='black'>" + text + "</font>");
 244
 245     if(box_->isVisible())
 246     {
 247         box_->hide();
 248     }
 249
 250     box_->show();
 251 }
 252
 253 void CallListener::incomingCall(QDBusObjectPath path, QString number)
 254 {
 255     qDebug() << "Incoming: " << 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));
 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     if(closeConnection_)
 286     {
 287         ConnectionManager cm;
 288         cm.disconnect(true);
 289         closeConnection_ = false;
 290     }
 291
 292     searchClose();
 293 }
 294
 295 void CallListener::showDelayedResult(QString const& text, int delay)
 296 {
 297     timedMessage_ = text;
 298     QTimer::singleShot(delay, this, SLOT(showTimedMessage()));
 299 }
 300
 301 void CallListener::showTimedMessage()
 302 {
 303     if(timedMessage_.size() == 0 || !initialized_)
 304     {
 305         return;
 306     }
 307
 308     showResult(timedMessage_);
 309
 310     timedMessage_ = "";
 311 }
 312
 313 void CallListener::searchInit()
 314 {
 315     qDebug() << "Initializing search...";
 316
 317     if(initialized_)
 318     {
 319         qDebug() << "Already initialized";
 320         return;
 321     }
 322
 323     source_ = Source::getSource(sourceId_);
 324     SourceCoreConfig* config = SourceCoreConfig::getCoreConfig(sourceId_);
 325     config->loadFromConfig(sourceConfig_);
 326     config->apply(source_);
 327     delete config;
 328     source_->setMaxResults(1);
 329     source_->setFindNumber(false);
 330     source_->setTimeout(REQUEST_TIMEOUT);
 331
 332     connect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 333                                            Source::SearchDetails const&, bool)),
 334                                            this, SLOT(requestFinished(QVector <Source::Result> const&,
 335                                                                       Source::SearchDetails const&, bool)));
 336     box_ = new InformationBox;
 337     label_ = new QLabel("", box_);
 338     label_->setMargin(8);
 339     label_->setWordWrap(true);
 340     box_->setWidget(label_);
 341     initialized_ = true;
 342 }
 343
 344 void CallListener::searchClose()
 345 {
 346     initialized_ = false;
 347
 348     qDebug() << "Closing search...";
 349
 350     if(source_)
 351     {
 352         disconnect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 353                                                   Source::SearchDetails const&, bool)),
 354                                                   this, SLOT(requestFinished(QVector <Source::Result> const&,
 355                                                                              Source::SearchDetails const&, bool)));
 356     }
 357
 358     delete source_;
 359     source_ = 0;
 360     delete box_;
 361     box_ = 0;
 362     label_ = 0;
 363 }
 364
 365 bool CallListener::handleConnection()
 366 {
 367     if(!initialized_)
 368     {
 369         return false;
 370     }
 371
 372     ConnectionManager cm;
 373
 374     if(cm.isConnected())
 375     {
 376         closeConnection_ = false;
 377         return true;
 378     }
 379
 380     closeConnection_ = true;
 381
 382     Settings::ConnectionType configType = Settings::instance()->getConnectionType();
 383
 384     if(configType == Settings::ALWAYS_ASK)
 385     {
 386         showError(tr("Automatic connecting is not allowed by settings."), BANNER_DELAY);
 387         return false;
 388     }
 389
 390     showDelayedResult(tr("Connecting..."), BANNER_DELAY);
 391
 392     ConnectionManager::Connection best;
 393
 394     ConnectionManager::ConnectionType lookupType = ConnectionManager::NO_TYPE;
 395
 396     switch(configType)
 397     {
 398     case Settings::WLAN:
 399         lookupType = ConnectionManager::WLAN;
 400         break;
 401     case Settings::GPRS:
 402         lookupType = ConnectionManager::GPRS;
 403         break;
 404     default:
 405         lookupType = ConnectionManager::NO_TYPE;
 406         break;
 407     }
 408
 409     int cretries = 0;
 410
 411     while(cretries < CONNECTION_LOOKUP_RETRIES)
 412     {
 413         if(!initialized_)
 414         {
 415             return false;
 416         }
 417
 418         if(cm.getBestConnection(best, lookupType))
 419         {
 420             break;
 421         }
 422
 423         qDebug() << "No connections found, retrying...";
 424
 425         cretries++;
 426
 427         sleep(WAIT_BETWEEN_RETRIES);
 428
 429     }
 430
 431     if(cretries >= CONNECTION_LOOKUP_RETRIES)
 432     {
 433         showError(tr("No available 3G or WLAN networks found."));
 434         return false;
 435     }
 436
 437     int retries = 0;
 438
 439     while(retries < CONNECT_RETRIES)
 440     {
 441         if(!initialized_)
 442         {
 443             return false;
 444         }
 445
 446         sleep(WAIT_BETWEEN_RETRIES);
 447
 448         if(cm.connect(best.id))
 449         {
 450             break;
 451         }
 452         else if(cm.error() == ConnectionManager::INVALID_IAP)
 453         {
 454             showError(tr("Selected access point doesn't exist."));
 455             return false;
 456         }
 457
 458         qDebug() << "Unable to connect, retrying...";
 459         retries++;
 460
 461     }
 462
 463     if(initialized_ && retries >= CONNECT_RETRIES)
 464     {
 465         showError(tr("Unable to connect to network."));
 466         return false;
 467     }
 468
 469     return initialized_;
 470 }
 471
 472 void CallListener::showError(QString const& msg, int timeout)
 473 {
 474     qDebug() << "Error: " << msg;
 475     box_->setTimeout(ERROR_BANNER_TIMEOUT);
 476
 477     if(timeout)
 478     {
 479         showDelayedResult(msg, timeout);
 480     }
 481     else
 482     {
 483         showResult(msg);
 484     }
 485 }
 486
 487 void CallListener::timerEvent(QTimerEvent* event)
 488 {
 489     Q_UNUSED(event);
 490     killTimer(timer_);
 491     timer_ = 0;
 492 }
 493
 494 void CallListener::sleep(int ms)
 495 {
 496     if(timer_)
 497     {
 498         killTimer(timer_);
 499     }
 500
 501     timer_ = startTimer(ms);
 502
 503     while(timer_)
 504     {
 505         QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents);
 506     }
 507 }