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