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     if(number.isEmpty())
 258     {
 259         qDebug() << "Unknown caller without number";
 260         return;
 261     }
 262
 263     ContactManager cm;
 264
 265     if(!cm.numberExists(number))
 266     {
 267         qDebug() << "Number doesn't exist: " << number;
 268
 269         systemBus_.connect(CALL_SERVICE_NAME,
 270                            path.path(),
 271                            CALL_SERVICE_INSTANCE_NAME,
 272                            CALL_SIGNAL_TERMINATED,
 273                            this,
 274                            SLOT(callTerminate()));
 275
 276         search(Source::SearchDetails(number, "", Source::BOTH));
 277     }
 278     else
 279     {
 280         qDebug() << "Number exists: " << number;
 281     }
 282 }
 283
 284 void CallListener::callTerminate()
 285 {
 286     if(box_ && box_->isVisible())
 287     {
 288         box_->hide();
 289     }
 290
 291     searchClose();
 292 }
 293
 294 void CallListener::showDelayedResult(QString const& text, int delay)
 295 {
 296     timedMessage_ = text;
 297     QTimer::singleShot(delay, this, SLOT(showTimedMessage()));
 298 }
 299
 300 void CallListener::showTimedMessage()
 301 {
 302     if(timedMessage_.size() == 0 || !initialized_)
 303     {
 304         return;
 305     }
 306
 307     showResult(timedMessage_);
 308
 309     timedMessage_ = "";
 310 }
 311
 312 void CallListener::searchInit()
 313 {
 314     qDebug() << "Initializing search...";
 315
 316     if(initialized_)
 317     {
 318         qDebug() << "Already initialized";
 319         return;
 320     }
 321
 322     source_ = Source::getSource(sourceId_);
 323     SourceCoreConfig* config = SourceCoreConfig::getCoreConfig(sourceId_);
 324     config->loadFromConfig(sourceConfig_);
 325     config->apply(source_);
 326     delete config;
 327     source_->setMaxResults(1);
 328     source_->setFindNumber(false);
 329     source_->setTimeout(REQUEST_TIMEOUT);
 330
 331     connect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 332                                            Source::SearchDetails const&, bool)),
 333                                            this, SLOT(requestFinished(QVector <Source::Result> const&,
 334                                                                       Source::SearchDetails const&, bool)));
 335     box_ = new InformationBox;
 336     label_ = new QLabel("", box_);
 337     label_->setMargin(8);
 338     label_->setWordWrap(true);
 339     box_->setWidget(label_);
 340     initialized_ = true;
 341 }
 342
 343 void CallListener::searchClose()
 344 {
 345     if(!initialized_)
 346     {
 347         return;
 348     }
 349
 350     initialized_ = false;
 351
 352     qDebug() << "Closing search...";
 353
 354     if(source_)
 355     {
 356         disconnect(source_, SIGNAL(requestFinished(QVector <Source::Result> const&,
 357                                                   Source::SearchDetails const&, bool)),
 358                                                   this, SLOT(requestFinished(QVector <Source::Result> const&,
 359                                                                              Source::SearchDetails const&, bool)));
 360     }
 361
 362     delete source_;
 363     source_ = 0;
 364     delete box_;
 365     box_ = 0;
 366     label_ = 0;
 367
 368     if(closeConnection_)
 369     {
 370         closeConnection_ = false;
 371         ConnectionManager cm;
 372         cm.disconnect(true);
 373     }
 374 }
 375
 376 bool CallListener::handleConnection()
 377 {
 378     if(!initialized_)
 379     {
 380         return false;
 381     }
 382
 383     ConnectionManager cm;
 384
 385     if(cm.isConnected())
 386     {
 387         closeConnection_ = false;
 388         return true;
 389     }
 390
 391     closeConnection_ = true;
 392
 393     Settings::ConnectionType configType = Settings::instance()->getConnectionType();
 394
 395     if(configType == Settings::ALWAYS_ASK)
 396     {
 397         showError(tr("Automatic connecting is not allowed by settings."), BANNER_DELAY);
 398         return false;
 399     }
 400
 401     showDelayedResult(tr("Connecting..."), BANNER_DELAY);
 402
 403     ConnectionManager::Connection best;
 404
 405     ConnectionManager::ConnectionType lookupType = ConnectionManager::NO_TYPE;
 406
 407     switch(configType)
 408     {
 409     case Settings::WLAN:
 410         lookupType = ConnectionManager::WLAN;
 411         break;
 412     case Settings::GPRS:
 413         lookupType = ConnectionManager::GPRS;
 414         break;
 415     default:
 416         lookupType = ConnectionManager::NO_TYPE;
 417         break;
 418     }
 419
 420     int cretries = 0;
 421     int scans = 0;
 422     bool found = false;
 423     int maxScans = GPRS_SCANS;
 424
 425     if(lookupType != ConnectionManager::GPRS)
 426     {
 427         maxScans = WLAN_SCANS;
 428     }
 429
 430     while(cretries < CONNECTION_LOOKUP_RETRIES)
 431     {
 432         if(!initialized_)
 433         {
 434             return false;
 435         }
 436
 437         if(scans < maxScans)
 438         {
 439             if(cm.getBestConnection(best, lookupType))
 440             {
 441                 found = true;
 442             }
 443
 444             scans++;
 445         }
 446
 447         // If there is only gprs connection available,
 448         // make sure that we are on 3g network
 449         if(found && (best.type != ConnectionManager::GPRS || is3g()))
 450         {
 451             break;
 452         }
 453
 454         if(found)
 455         {
 456             sleep(WAIT_BETWEEN_RETRIES);
 457         }
 458
 459         qDebug() << "No connections found, retrying...";
 460
 461         cretries++;
 462
 463     }
 464
 465     if(cretries >= CONNECTION_LOOKUP_RETRIES)
 466     {
 467         showError(tr("No available 3G or WLAN networks found."));
 468         return false;
 469     }
 470
 471     int retries = 0;
 472
 473     while(retries < CONNECT_RETRIES)
 474     {
 475         if(!initialized_)
 476         {
 477             return false;
 478         }
 479
 480         qDebug() << "Connecting to " << best.name;
 481
 482         if(cm.connect(best.id))
 483         {
 484             break;
 485         }
 486         else if(cm.error() == ConnectionManager::INVALID_IAP)
 487         {
 488             showError(tr("Selected access point doesn't exist."));
 489             return false;
 490         }
 491
 492         retries++;
 493
 494         qDebug() << "Unable to connect, retrying...";
 495
 496         if(retries < CONNECT_RETRIES)
 497         {
 498             sendRetrySignal(best.id, initialized_);
 499         }
 500
 501     }
 502
 503     if(retries >= CONNECT_RETRIES)
 504     {
 505         sendRetrySignal(best.id, false);
 506
 507         if(initialized_)
 508         {
 509             showError(tr("Unable to connect to network."));
 510         }
 511
 512         return false;
 513     }
 514
 515     return initialized_;
 516 }
 517
 518 void CallListener::showError(QString const& msg, int timeout)
 519 {
 520     qDebug() << "Error: " << msg;
 521
 522     if(!initialized_ || !box_)
 523     {
 524         return;
 525     }
 526
 527     box_->setTimeout(ERROR_BANNER_TIMEOUT);
 528
 529     if(timeout)
 530     {
 531         showDelayedResult(msg, timeout);
 532     }
 533     else
 534     {
 535         showResult(msg);
 536     }
 537 }
 538
 539 bool CallListener::is3g()
 540 {
 541     QDBusMessage msg = QDBusMessage::createMethodCall("com.nokia.phone.net",
 542                                                       "/com/nokia/phone/net",
 543                                                       "Phone.Net",
 544                                                       "get_registration_status");
 545
 546     QDBusMessage rep = systemBus_.call(msg);
 547
 548     if(rep.type() == QDBusMessage::ErrorMessage)
 549     {
 550         qDebug() << "Unable to get network status";
 551         return false;
 552     }
 553
 554     uint status = rep.arguments().value(6).toUInt();
 555
 556     if(status & 0x10 || status & 0x08)
 557     {
 558         return true;
 559     }
 560
 561     return false;
 562 }
 563
 564 void CallListener::sendRetrySignal(QString const& iap, bool retry)
 565 {
 566     QDBusMessage msg = QDBusMessage::createSignal("/com/nokia/icd_ui",
 567                                                   "com.nokia.icd_ui",
 568                                                   "retry");
 569
 570     QList<QVariant> arguments;
 571     arguments.append(QVariant(iap));
 572     arguments.append(QVariant(retry));
 573     msg.setArguments(arguments);
 574
 575     QDBusConnection::systemBus().send(msg);
 576
 577     qDebug() << "Retry signal sent";
 578 }
 579
 580 void CallListener::timerEvent(QTimerEvent* event)
 581 {
 582     Q_UNUSED(event);
 583     killTimer(timer_);
 584     timer_ = 0;
 585 }
 586
 587 void CallListener::sleep(int ms)
 588 {
 589     if(timer_)
 590     {
 591         killTimer(timer_);
 592     }
 593
 594     timer_ = startTimer(ms);
 595
 596     while(timer_)
 597     {
 598         QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents);
 599     }
 600 }