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 <QtCore/QDateTime>
  22 #include "calllistener.h"
  23 #include "settings.h"
  24 #include "cache.h"
  25 #include "contactmanager.h"
  26 #include "connectionmanager.h"
  27 #include "sourcecoreconfig.h"
  28 #include "db.h"
  29
  30 namespace
  31 {
  32     const QString CALL_SERVICE_NAME = "com.nokia.csd";
  33     const QString CALL_SERVICE_PATH = "/com/nokia/csd/call";
  34     const QString CALL_SERVICE_INTERFACE = "com.nokia.csd.Call";
  35     const QString CALL_SERVICE_INSTANCE_NAME = "com.nokia.csd.Call.Instance";
  36     const QString CALL_SIGNAL_INCOMING = "Coming";
  37     const QString CALL_SIGNAL_RELEASE = "Release";
  38     const QString CALL_SIGNAL_TERMINATED = "Terminated";
  39     const QString CALL_SIGNAL_ANSWERED = "AudioConnect";
  40 }
  41
  42 QDBusConnection CallListener::systemBus_ = QDBusConnection::systemBus();
  43
  44 CallListener::CallListener(): source_(0),
  45 closeConnection_(false), initialized_(false), box_(0), label_(0),
  46 retries_(-1), timer_(0), currentCall_(0)
  47 {
  48 }
  49
  50 CallListener::~CallListener()
  51 {
  52     end();
  53     DB::removeDatabase();
  54 }
  55
  56 bool CallListener::begin()
  57 {
  58     if(Settings::instance()->getConnectionType() == Settings::ALWAYS_ASK)
  59     {
  60         qDebug() << "Bad connection settings, unable to start";
  61         return false;
  62     }
  63
  64     sourceId_ = Source::stringToId(Settings::instance()->get("source"));
  65     QMap<QString, QString> tmpConfig;
  66     SourceCoreConfig* config = SourceCoreConfig::getCoreConfig(sourceId_);
  67     config->getConfig(tmpConfig);
  68     sourceConfig_ = tmpConfig;
  69     delete config;
  70
  71     systemBus_.connect(CALL_SERVICE_NAME,
  72                        CALL_SERVICE_PATH,
  73                        CALL_SERVICE_INTERFACE,
  74                        CALL_SIGNAL_INCOMING,
  75                        this,
  76                        SLOT(incomingCall(QDBusObjectPath, QString)));
  77
  78     systemBus_.connect(CALL_SERVICE_NAME,
  79                        CALL_SERVICE_PATH,
  80                        CALL_SERVICE_INTERFACE,
  81                        CALL_SIGNAL_RELEASE,
  82                        this,
  83                        SLOT(callTerminate()));
  84
  85     qDebug() << "Starting...";
  86
  87     return true;
  88
  89 }
  90
  91 void CallListener::end()
  92 {
  93     systemBus_.disconnect(CALL_SERVICE_NAME,
  94                           CALL_SERVICE_PATH,
  95                           CALL_SERVICE_INTERFACE,
  96                           CALL_SIGNAL_INCOMING,
  97                           this,
  98                           SLOT(incomingCall(QDBusObjectPath, QString)));
  99
 100     systemBus_.disconnect(CALL_SERVICE_NAME,
 101                           CALL_SERVICE_PATH,
 102                           CALL_SERVICE_INTERFACE,
 103                           CALL_SIGNAL_RELEASE,
 104                           this,
 105                           SLOT(callTerminate()));
 106
 107     searchClose();
 108     sourceConfig_.clear();
 109
 110 }
 111
 112 void CallListener::search(Source::SearchDetails const& details)
 113 {
 114     if(currentCall_)
 115     {
 116         delete currentCall_;
 117     }
 118
 119     currentCall_ = new CallDetails;
 120     currentCall_->number = details.query;
 121     currentCall_->time = QDateTime::currentDateTime().toTime_t();
 122     currentCall_->answered = false;
 123
 124     searchInit();
 125
 126     Source::Result result;
 127
 128     if(Cache::instance().findItem(details.query, result))
 129     {
 130
 131         qDebug() << "Found from cache";
 132
 133         showDelayedResult(createResult(result.name,
 134                                        result.street,
 135                                        result.city), BANNER_DELAY);
 136
 137         currentCall_->result = result;
 138     }
 139     else
 140     {
 141         retries_ = 0;
 142
 143         if(!handleConnection())
 144         {
 145             qDebug() << "Unable to connect";
 146             return;
 147         }
 148
 149         showDelayedResult(tr("Searching..."), BANNER_DELAY);
 150
 151         source_->search(details);
 152     }
 153
 154 }
 155
 156 void CallListener::requestFinished(QVector <Source::Result> const& results,
 157                                    Source::SearchDetails const& details,
 158                                    bool error)
 159 {
 160     if(closeConnection_)
 161     {
 162         closeConnection_ = false;
 163         ConnectionManager cm;
 164         cm.disconnect(true);
 165     }
 166
 167     // If box is not visible, the call must have been terminated already
 168     if(!initialized_ || !box_->isVisible() || !currentCall_)
 169     {
 170         return;
 171     }
 172
 173     QString message;
 174
 175     if(error)
 176     {
 177         qDebug() << "Error: " << source_->errorString();
 178
 179         if(retries_ < SEARCH_RETRIES && retries_ >= 0)
 180         {
 181             retries_++;
 182             source_->search(Source::SearchDetails(currentCall_->number, "", Source::BOTH));
 183             return;
 184         }
 185         else
 186         {
 187             timedMessage_ = "";
 188             QString errorString;
 189             Source::Error error = source_->error();
 190
 191             switch(error)
 192             {
 193             case Source::TIMEOUT:
 194                 errorString = tr("Request timed out");
 195                 break;
 196             default:
 197                 errorString = source_->errorString();
 198                 break;
 199             }
 200
 201             showError(tr("Searching failed:") + " " + errorString + ".");
 202         }
 203     }
 204     else
 205     {
 206         timedMessage_ = "";
 207
 208         if(results.size() == 0)
 209         {
 210             message = tr("Phone number was not found");
 211             showResult(message);
 212         }
 213         else
 214         {
 215             message = createResult(results.at(0).name, results.at(0).street,
 216                                    results.at(0).city);
 217             showResult(message);
 218             Source::Result result = results.at(0);
 219             result.number = details.query;
 220             Cache::instance().addItem(result);
 221             currentCall_->result = results.at(0);
 222         }
 223     }
 224
 225     retries_ = -1;
 226 }
 227
 228 QString CallListener::createResult(QString const& name, QString const& street, QString const& city)
 229 {
 230     QString result = "<b>" + name + "</b>";
 231
 232     if(!street.isEmpty() || !city.isEmpty())
 233     {
 234         result += "<br>";
 235
 236         if(!street.isEmpty())
 237         {
 238             result += street + ", ";
 239         }
 240
 241         result += city;
 242     }
 243
 244     return result;
 245 }
 246
 247 void CallListener::showResult(QString const& text)
 248 {
 249     if(!initialized_)
 250     {
 251         return;
 252     }
 253
 254     label_->setText("<font color='black'>" + text + "</font>");
 255
 256     if(box_->isVisible())
 257     {
 258         box_->hide();
 259     }
 260
 261     box_->show();
 262 }
 263
 264 void CallListener::incomingCall(QDBusObjectPath path, QString number)
 265 {
 266     if(number.isEmpty())
 267     {
 268         qDebug() << "Unknown caller without number";
 269         return;
 270     }
 271
 272     ContactManager cm;
 273
 274     if(!cm.numberExists(number))
 275     {
 276         qDebug() << "Number doesn't exist: " << number;
 277
 278         systemBus_.connect(CALL_SERVICE_NAME,
 279                            path.path(),
 280                            CALL_SERVICE_INSTANCE_NAME,
 281                            CALL_SIGNAL_TERMINATED,
 282                            this,
 283                            SLOT(callTerminate()));
 284
 285         systemBus_.connect(CALL_SERVICE_NAME,
 286                            path.path(),
 287                            CALL_SERVICE_INSTANCE_NAME,
 288                            CALL_SIGNAL_ANSWERED,
 289                            this,
 290                            SLOT(handleAnswer()));
 291
 292         search(Source::SearchDetails(number, "", Source::BOTH));
 293     }
 294     else
 295     {
 296         qDebug() << "Number exists: " << number;
 297     }
 298 }
 299
 300 void CallListener::callTerminate()
 301 {
 302     if(box_ && box_->isVisible())
 303     {
 304         box_->hide();
 305     }
 306
 307     if(currentCall_)
 308     {
 309         currentCall_->result.number = currentCall_->number;
 310         Cache::instance().logItem(currentCall_->result, !currentCall_->answered, currentCall_->time);
 311         delete currentCall_;
 312         currentCall_ = 0;
 313     }
 314
 315     searchClose();
 316 }
 317
 318 void CallListener::handleAnswer()
 319 {
 320     qDebug() << "Answered";
 321
 322     if(currentCall_)
 323     {
 324         currentCall_->answered = true;
 325     }
 326 }
 327
 328 void CallListener::showDelayedResult(QString const& text, int delay)
 329 {
 330     timedMessage_ = text;
 331     QTimer::singleShot(delay, this, SLOT(showTimedMessage()));
 332 }
 333
 334 void CallListener::showTimedMessage()
 335 {
 336     if(timedMessage_.size() == 0 || !initialized_)
 337     {
 338         return;
 339     }
 340
 341     showResult(timedMessage_);
 342
 343     timedMessage_ = "";
 344 }
 345
 346 void CallListener::searchInit()
 347 {
 348     qDebug() << "Initializing search...";
 349
 350     if(initialized_)
 351     {
 352         qDebug() << "Already initialized";
 353         return;
 354     }
 355
 356     source_ = Source::getSource(sourceId_);
 357     SourceCoreConfig* config = SourceCoreConfig::getCoreConfig(sourceId_);
 358     config->loadFromConfig(sourceConfig_);
 359     config->apply(source_);
 360     delete config;
 361     source_->setMaxResults(1);
 362     source_->setFindNumber(false);
 363     source_->setTimeout(REQUEST_TIMEOUT);
 364
 365     connect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 366                                            Source::SearchDetails const&, bool)),
 367                                            this, SLOT(requestFinished(QVector <Source::Result> const&,
 368                                                                       Source::SearchDetails const&, bool)));
 369     box_ = new InformationBox;
 370     label_ = new QLabel("", box_);
 371     label_->setMargin(8);
 372     label_->setWordWrap(true);
 373     box_->setWidget(label_);
 374     initialized_ = true;
 375 }
 376
 377 void CallListener::searchClose()
 378 {
 379     if(!initialized_)
 380     {
 381         return;
 382     }
 383
 384     initialized_ = false;
 385
 386     qDebug() << "Closing search...";
 387
 388     if(source_)
 389     {
 390         disconnect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 391                                                   Source::SearchDetails const&, bool)),
 392                                                   this, SLOT(requestFinished(QVector <Source::Result> const&,
 393                                                                              Source::SearchDetails const&, bool)));
 394     }
 395
 396     delete source_;
 397     source_ = 0;
 398     delete box_;
 399     box_ = 0;
 400     label_ = 0;
 401
 402     if(closeConnection_)
 403     {
 404         closeConnection_ = false;
 405         ConnectionManager cm;
 406         cm.disconnect(true);
 407     }
 408 }
 409
 410 bool CallListener::handleConnection()
 411 {
 412     if(!initialized_)
 413     {
 414         return false;
 415     }
 416
 417     ConnectionManager cm;
 418
 419     if(cm.isConnected())
 420     {
 421         closeConnection_ = false;
 422         return true;
 423     }
 424
 425     closeConnection_ = true;
 426
 427     Settings::ConnectionType configType = Settings::instance()->getConnectionType();
 428
 429     if(configType == Settings::ALWAYS_ASK)
 430     {
 431         showError(tr("Automatic connecting is not allowed by settings."), BANNER_DELAY);
 432         return false;
 433     }
 434
 435     showDelayedResult(tr("Connecting..."), BANNER_DELAY);
 436
 437     ConnectionManager::Connection best;
 438
 439     ConnectionManager::ConnectionType lookupType = ConnectionManager::NO_TYPE;
 440
 441     switch(configType)
 442     {
 443     case Settings::WLAN:
 444         lookupType = ConnectionManager::WLAN;
 445         break;
 446     case Settings::GPRS:
 447         lookupType = ConnectionManager::GPRS;
 448         break;
 449     default:
 450         lookupType = ConnectionManager::NO_TYPE;
 451         break;
 452     }
 453
 454     int cretries = 0;
 455     int scans = 0;
 456     bool found = false;
 457     int maxScans = GPRS_SCANS;
 458
 459     if(lookupType != ConnectionManager::GPRS)
 460     {
 461         maxScans = WLAN_SCANS;
 462     }
 463
 464     while(cretries < CONNECTION_LOOKUP_RETRIES)
 465     {
 466         if(!initialized_)
 467         {
 468             return false;
 469         }
 470
 471         if(scans < maxScans)
 472         {
 473             if(cm.getBestConnection(best, lookupType))
 474             {
 475                 found = true;
 476             }
 477
 478             scans++;
 479         }
 480
 481         // If there is only gprs connection available,
 482         // make sure that we are on 3g network
 483         if(found && (best.type != ConnectionManager::GPRS || is3g()))
 484         {
 485             break;
 486         }
 487
 488         if(found)
 489         {
 490             sleep(WAIT_BETWEEN_RETRIES);
 491         }
 492
 493         qDebug() << "No connections found, retrying...";
 494
 495         cretries++;
 496
 497     }
 498
 499     if(cretries >= CONNECTION_LOOKUP_RETRIES)
 500     {
 501         showError(tr("No available 3G or WLAN networks found."));
 502         return false;
 503     }
 504
 505     int retries = 0;
 506
 507     while(retries < CONNECT_RETRIES)
 508     {
 509         if(!initialized_)
 510         {
 511             return false;
 512         }
 513
 514         qDebug() << "Connecting to " << best.name;
 515
 516         if(cm.connect(best.id))
 517         {
 518             break;
 519         }
 520         else if(cm.error() == ConnectionManager::INVALID_IAP)
 521         {
 522             showError(tr("Selected access point doesn't exist."));
 523             return false;
 524         }
 525
 526         retries++;
 527
 528         qDebug() << "Unable to connect, retrying...";
 529
 530         if(retries < CONNECT_RETRIES)
 531         {
 532             sendRetrySignal(best.id, initialized_);
 533         }
 534
 535     }
 536
 537     if(retries >= CONNECT_RETRIES)
 538     {
 539         sendRetrySignal(best.id, false);
 540
 541         if(initialized_)
 542         {
 543             showError(tr("Unable to connect to network."));
 544         }
 545
 546         return false;
 547     }
 548
 549     return initialized_;
 550 }
 551
 552 void CallListener::showError(QString const& msg, int timeout)
 553 {
 554     qDebug() << "Error: " << msg;
 555
 556     if(!initialized_ || !box_)
 557     {
 558         return;
 559     }
 560
 561     box_->setTimeout(ERROR_BANNER_TIMEOUT);
 562
 563     if(timeout)
 564     {
 565         showDelayedResult(msg, timeout);
 566     }
 567     else
 568     {
 569         showResult(msg);
 570     }
 571 }
 572
 573 bool CallListener::is3g()
 574 {
 575     QDBusMessage msg = QDBusMessage::createMethodCall("com.nokia.phone.net",
 576                                                       "/com/nokia/phone/net",
 577                                                       "Phone.Net",
 578                                                       "get_registration_status");
 579
 580     QDBusMessage rep = systemBus_.call(msg);
 581
 582     if(rep.type() == QDBusMessage::ErrorMessage)
 583     {
 584         qDebug() << "Unable to get network status";
 585         return false;
 586     }
 587
 588     uint status = rep.arguments().value(6).toUInt();
 589
 590     if(status & 0x10 || status & 0x08)
 591     {
 592         return true;
 593     }
 594
 595     return false;
 596 }
 597
 598 void CallListener::sendRetrySignal(QString const& iap, bool retry)
 599 {
 600     QDBusMessage msg = QDBusMessage::createSignal("/com/nokia/icd_ui",
 601                                                   "com.nokia.icd_ui",
 602                                                   "retry");
 603
 604     QList<QVariant> arguments;
 605     arguments.append(QVariant(iap));
 606     arguments.append(QVariant(retry));
 607     msg.setArguments(arguments);
 608
 609     QDBusConnection::systemBus().send(msg);
 610
 611     qDebug() << "Retry signal sent";
 612 }
 613
 614 void CallListener::timerEvent(QTimerEvent* event)
 615 {
 616     Q_UNUSED(event);
 617     killTimer(timer_);
 618     timer_ = 0;
 619 }
 620
 621 void CallListener::sleep(int ms)
 622 {
 623     if(timer_)
 624     {
 625         killTimer(timer_);
 626     }
 627
 628     timer_ = startTimer(ms);
 629
 630     while(timer_)
 631     {
 632         QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents);
 633     }
 634 }