git.maemo.org Git - situare/blob - src/engine/engine.cpp

   1  /*
   2     Situare - A location system for Facebook
   3     Copyright (C) 2010  Ixonos Plc. Authors:
   4
   5         Kaj Wallin - kaj.wallin@ixonos.com
   6         Henri Lampela - henri.lampela@ixonos.com
   7         Jussi Laitinen - jussi.laitinen@ixonos.com
   8         Sami Rämö - sami.ramo@ixonos.com
   9
  10     Situare is free software; you can redistribute it and/or
  11     modify it under the terms of the GNU General Public License
  12     version 2 as published by the Free Software Foundation.
  13
  14     Situare is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with Situare; if not, write to the Free Software
  21     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  22     USA.
  23  */
  24
  25 #include <cmath>
  26
  27 #include <QMessageBox>
  28 #include <QNetworkReply>
  29
  30 #include "application.h"
  31 #include "common.h"
  32 #include "contactmanager.h"
  33 #include "../error.h"
  34 #include "ui/facebookloginbrowser.h"
  35 #include "facebookservice/facebookauthentication.h"
  36 #include "gps/gpsposition.h"
  37 #include "map/mapengine.h"
  38 #include "routing/geocodingservice.h"
  39 #include "routing/routingservice.h"
  40 #include "mce.h"
  41 #include "network/networkaccessmanager.h"
  42 #include "situareservice/situareservice.h"
  43 #include "ui/mainwindow.h"
  44
  45 #include "engine.h"
  46
  47 const QString SETTINGS_GPS_ENABLED = "GPS_ENABLED"; ///< GPS setting
  48 const QString SETTINGS_AUTO_CENTERING_ENABLED = "AUTO_CENTERING_ENABLED";///< Auto centering setting
  49 const int DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE = 12;  ///< Default zoom level when GPS available
  50 const qreal USER_MOVEMENT_MINIMUM_LONGITUDE_DIFFERENCE = 0.003;///< Min value for user move latitude
  51 const qreal USER_MOVEMENT_MINIMUM_LATITUDE_DIFFERENCE = 0.001;///< Min value for user move longitude
  52 const int MIN_UPDATE_INTERVAL_MSECS = 5*60*1000;
  53
  54 SituareEngine::SituareEngine()
  55     : m_autoCenteringEnabled(false),
  56       m_automaticUpdateFirstStart(true),
  57       m_automaticUpdateRequest(false),
  58       m_userMoved(false),
  59       m_automaticUpdateIntervalTimer(0),
  60       m_lastUpdatedGPSPosition(GeoCoordinate())
  61 {
  62     qDebug() << __PRETTY_FUNCTION__;
  63
  64     m_ui = new MainWindow;
  65     m_ui->updateItemVisibility();
  66
  67     Application *application = static_cast<Application *>(qApp);
  68     application->registerWindow(m_ui->winId());
  69
  70     connect(application, SIGNAL(topmostWindowChanged(bool)),
  71             this, SLOT(topmostWindowChanged(bool)));
  72
  73     m_networkAccessManager = new NetworkAccessManager(this);
  74
  75     // build MapEngine
  76     m_mapEngine = new MapEngine(this);
  77     m_ui->setMapViewScene(m_mapEngine->scene());
  78
  79     // build GPS
  80     m_gps = new GPSPosition(this);
  81
  82     // build SituareService
  83     m_situareService = new SituareService(this);
  84
  85     // build FacebookAuthenticator
  86     m_facebookAuthenticator = new FacebookAuthentication(this);
  87
  88     // build routing service
  89     m_routingService = new RoutingService(this); // create this when needed, not in constructor!
  90
  91     // build geocoding service
  92     m_geocodingService = new GeocodingService(this);
  93
  94     // connect signals
  95     signalsFromMapEngine();
  96     signalsFromGeocodingService();
  97     signalsFromGPS();
  98     signalsFromRoutingService();
  99     signalsFromSituareService();
 100     signalsFromMainWindow();
 101     signalsFromFacebookAuthenticator();
 102
 103     connect(this, SIGNAL(userLocationReady(User*)),
 104             m_ui, SIGNAL(userLocationReady(User*)));
 105
 106     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
 107             m_ui, SIGNAL(friendsLocationsReady(QList<User*>&)));
 108
 109     connect(this, SIGNAL(userLocationReady(User*)),
 110             m_mapEngine, SLOT(receiveOwnLocation(User*)));
 111
 112     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
 113             m_mapEngine, SIGNAL(friendsLocationsReady(QList<User*>&)));
 114
 115     connect(this, SIGNAL(friendImageReady(User*)),
 116             m_ui, SIGNAL(friendImageReady(User*)));
 117
 118     connect(this, SIGNAL(friendImageReady(User*)),
 119             m_mapEngine, SIGNAL(friendImageReady(User*)));
 120
 121     m_automaticUpdateIntervalTimer = new QTimer(this);
 122     connect(m_automaticUpdateIntervalTimer, SIGNAL(timeout()),
 123             this, SLOT(startAutomaticUpdate()));
 124
 125     // signals connected, now it's time to show the main window
 126     // but init the MapEngine before so starting location is set
 127     m_mapEngine->init();
 128     m_ui->show();
 129
 130     m_gps->setMode(GPSPosition::Default);
 131     initializeGpsAndAutocentering();
 132
 133     m_mce = new MCE(this);
 134     connect(m_mce, SIGNAL(displayOff(bool)), this, SLOT(setPowerSaving(bool)));
 135
 136     m_contactManager = new ContactManager(this);
 137     m_contactManager->requestContactGuids();
 138
 139     m_facebookAuthenticator->login();
 140 }
 141
 142 SituareEngine::~SituareEngine()
 143 {
 144     qDebug() << __PRETTY_FUNCTION__;
 145
 146     delete m_ui;
 147
 148     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 149     settings.setValue(SETTINGS_GPS_ENABLED, m_gps->isRunning());
 150     settings.setValue(SETTINGS_AUTO_CENTERING_ENABLED, m_autoCenteringEnabled);
 151 }
 152
 153 void SituareEngine::changeAutoCenteringSetting(bool enabled)
 154 {
 155     qDebug() << __PRETTY_FUNCTION__ << enabled;
 156
 157     m_autoCenteringEnabled = enabled;
 158     setAutoCentering(enabled);
 159 }
 160
 161 void SituareEngine::disableAutoCentering()
 162 {
 163     qDebug() << __PRETTY_FUNCTION__;
 164
 165     changeAutoCenteringSetting(false);
 166 }
 167
 168 void SituareEngine::draggingModeTriggered()
 169 {
 170     qDebug() << __PRETTY_FUNCTION__;
 171
 172     if (m_mce)
 173         m_mce->vibrationFeedback();
 174 }
 175
 176 void SituareEngine::enableAutomaticLocationUpdate(bool enabled, int updateIntervalMsecs)
 177 {
 178     qDebug() << __PRETTY_FUNCTION__;
 179
 180     //Show automatic update confirmation dialog
 181     if (m_automaticUpdateFirstStart && m_gps->isRunning() && enabled) {
 182         m_ui->showEnableAutomaticUpdateLocationDialog(
 183                 tr("Do you want to enable automatic location update with %1 min update interval?")
 184                 .arg(updateIntervalMsecs/1000/60));
 185         m_automaticUpdateFirstStart = false;
 186     } else {
 187         if (enabled && m_gps->isRunning()) {
 188             m_ui->buildInformationBox(tr("Automatic location update enabled"));
 189             if (updateIntervalMsecs < MIN_UPDATE_INTERVAL_MSECS)
 190                 m_automaticUpdateIntervalTimer->setInterval(MIN_UPDATE_INTERVAL_MSECS);
 191             else
 192                 m_automaticUpdateIntervalTimer->setInterval(updateIntervalMsecs);
 193
 194             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 195                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 196
 197             m_automaticUpdateIntervalTimer->start();
 198
 199         } else {
 200             disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 201                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 202
 203             m_automaticUpdateIntervalTimer->stop();
 204         }
 205     }
 206 }
 207
 208 void SituareEngine::error(const int context, const int error)
 209 {
 210     qDebug() << __PRETTY_FUNCTION__;
 211
 212     switch(error)
 213     {
 214     case SituareError::ERROR_GENERAL:
 215         if(context == ErrorContext::SITUARE) {
 216             m_ui->toggleProgressIndicator(false);
 217             m_ui->buildInformationBox(tr("Unknown server error"), true);
 218         }
 219         break;
 220     case 1: //errors: SituareError::ERROR_MISSING_ARGUMENT and QNetworkReply::ConnectionRefusedError
 221         m_ui->toggleProgressIndicator(false);
 222         if(context == ErrorContext::SITUARE) {
 223             m_ui->buildInformationBox(tr("Missing parameter from request"), true);
 224         } else if(context == ErrorContext::NETWORK) {
 225             m_ui->buildInformationBox(tr("Connection refused by the server"), true);
 226         }
 227         break;
 228     case QNetworkReply::RemoteHostClosedError:
 229         if(context == ErrorContext::NETWORK) {
 230             m_ui->toggleProgressIndicator(false);
 231             m_ui->buildInformationBox(tr("Connection closed by the server"), true);
 232         }
 233         break;
 234     case QNetworkReply::HostNotFoundError:
 235         if(context == ErrorContext::NETWORK) {
 236             m_ui->toggleProgressIndicator(false);
 237             m_ui->buildInformationBox(tr("Remote server not found"), true);
 238         }
 239         break;
 240     case QNetworkReply::TimeoutError:
 241         if(context == ErrorContext::NETWORK) {
 242             m_ui->toggleProgressIndicator(false);
 243             m_ui->buildInformationBox(tr("Connection timed out"), true);
 244         }
 245         break;
 246     case QNetworkReply::UnknownNetworkError:
 247         if(context == ErrorContext::NETWORK) {
 248             m_ui->toggleProgressIndicator(false);
 249             m_ui->buildInformationBox(tr("No network connection"), true);
 250         }
 251         break;
 252     case SituareError::SESSION_EXPIRED:
 253         m_ui->buildInformationBox(tr("Session expired. Please login again"), true);
 254         m_facebookAuthenticator->clearAccountInformation(true); // keep username = true
 255         m_situareService->clearUserData();
 256         m_ui->loggedIn(false);
 257         m_ui->loginFailed();
 258         break;
 259     case SituareError::LOGIN_FAILED:
 260         m_ui->toggleProgressIndicator(false);
 261         m_ui->buildInformationBox(tr("Invalid E-mail address or password"), true);
 262         m_ui->loginFailed();
 263         break;
 264     case SituareError::UPDATE_FAILED:
 265         m_ui->toggleProgressIndicator(false);
 266         m_ui->buildInformationBox(tr("Update failed, please try again"), true);
 267         break;
 268     case SituareError::DATA_RETRIEVAL_FAILED:
 269         m_ui->toggleProgressIndicator(false);
 270         m_ui->buildInformationBox(tr("Data retrieval failed, please try again"), true);
 271         break;
 272     case SituareError::ADDRESS_RETRIEVAL_FAILED:
 273         m_ui->toggleProgressIndicator(false);
 274         m_ui->buildInformationBox(tr("Address retrieval failed"), true);
 275         break;
 276     case SituareError::IMAGE_DOWNLOAD_FAILED:
 277         m_ui->buildInformationBox(tr("Image download failed"), true);
 278         break;
 279     case SituareError::MAP_IMAGE_DOWNLOAD_FAILED:
 280         m_ui->buildInformationBox(tr("Map image download failed"), true);
 281         break;
 282     case SituareError::GPS_INITIALIZATION_FAILED:
 283         setGPS(false);
 284         m_ui->buildInformationBox(tr("GPS initialization failed"), true);
 285         break;
 286     case SituareError::INVALID_JSON:
 287         m_ui->buildInformationBox(tr("Malformatted reply from server"), true);
 288         m_ui->loggedIn(false);
 289         m_facebookAuthenticator->clearAccountInformation(false); // clean all
 290         break;
 291     case SituareError::ERROR_ROUTING_FAILED:
 292         m_ui->toggleProgressIndicator(false);
 293         m_ui->buildInformationBox(tr("Routing failed"), true);
 294         break;
 295     case SituareError::ERROR_LOCATION_SEARCH_FAILED:
 296         m_ui->buildInformationBox(tr("No results found"), true);
 297         break;
 298     default:
 299         m_ui->toggleProgressIndicator(false);
 300         if(context == ErrorContext::NETWORK)
 301             qCritical() << __PRETTY_FUNCTION__ << "QNetworkReply::NetworkError: " << error;
 302         else
 303             qCritical() << __PRETTY_FUNCTION__ << "Unknown error: " << error;
 304         break;
 305     }
 306 }
 307
 308 void SituareEngine::imageReady(User *user)
 309 {
 310     qDebug() << __PRETTY_FUNCTION__;
 311
 312     if(user->type())
 313         emit userLocationReady(user);
 314     else
 315         emit friendImageReady(user);
 316 }
 317
 318 void SituareEngine::initializeGpsAndAutocentering()
 319 {
 320     qDebug() << __PRETTY_FUNCTION__;
 321
 322     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 323     QVariant gpsEnabled = settings.value(SETTINGS_GPS_ENABLED);
 324     QVariant autoCenteringEnabled = settings.value(SETTINGS_AUTO_CENTERING_ENABLED);
 325
 326     if (m_gps->isInitialized()) {
 327
 328         if (gpsEnabled.toString().isEmpty()) { // First start. Situare.conf file does not exists
 329
 330             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 331                     this, SLOT(setFirstStartZoomLevel()));
 332
 333             changeAutoCenteringSetting(true);
 334             setGPS(true);
 335
 336             m_ui->buildInformationBox(tr("GPS enabled"));
 337
 338         } else { // Normal start
 339             changeAutoCenteringSetting(autoCenteringEnabled.toBool());
 340             setGPS(gpsEnabled.toBool());
 341
 342             if (gpsEnabled.toBool())
 343                 m_ui->buildInformationBox(tr("GPS enabled"));
 344         }
 345     } else {
 346         setGPS(false);
 347     }
 348 }
 349
 350 void SituareEngine::locationSearch(QString location)
 351 {
 352     qDebug() << __PRETTY_FUNCTION__;
 353
 354     if(!location.isEmpty())
 355         m_geocodingService->requestLocation(location);
 356 }
 357
 358 void SituareEngine::loggedIn()
 359 {
 360     qWarning() << __PRETTY_FUNCTION__;
 361
 362     m_ui->destroyFacebookLoginBrowser();
 363
 364     loginOk();
 365 }
 366
 367 void SituareEngine::loginActionPressed()
 368 {
 369     qDebug() << __PRETTY_FUNCTION__;
 370
 371     if (m_networkAccessManager->isConnected()) {
 372         if(m_ui->loginState()) {
 373             logout();
 374             m_situareService->clearUserData();
 375         } else {
 376             m_facebookAuthenticator->login();
 377         }
 378     }
 379     else {
 380         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 381     }
 382 }
 383
 384 void SituareEngine::loginOk()
 385 {
 386     qDebug() << __PRETTY_FUNCTION__;
 387
 388     m_ui->loggedIn(true);
 389
 390     m_ui->show();
 391     m_situareService->fetchLocations(); // request user locations
 392
 393     if (m_gps->isRunning())
 394         m_ui->readAutomaticLocationUpdateSettings();
 395 }
 396
 397 void SituareEngine::loginProcessCancelled()
 398 {
 399     qDebug() << __PRETTY_FUNCTION__;
 400
 401     m_ui->toggleProgressIndicator(false);
 402     m_ui->updateItemVisibility();
 403 }
 404
 405 void SituareEngine::logout()
 406 {
 407     qDebug() << __PRETTY_FUNCTION__;
 408
 409     m_ui->loggedIn(false);
 410
 411     // signal to clear locationUpdateDialog's data
 412     connect(this, SIGNAL(clearUpdateLocationDialogData()),
 413             m_ui, SIGNAL(clearUpdateLocationDialogData()));
 414     emit clearUpdateLocationDialogData();
 415
 416     m_facebookAuthenticator->clearAccountInformation(); // clear all
 417     m_automaticUpdateFirstStart = true;
 418 }
 419
 420 void SituareEngine::refreshUserData()
 421 {
 422     qDebug() << __PRETTY_FUNCTION__;
 423
 424     if (m_networkAccessManager->isConnected()) {
 425         m_ui->toggleProgressIndicator(true);
 426         m_situareService->fetchLocations();
 427     }
 428     else {
 429         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 430     }
 431 }
 432
 433 void SituareEngine::requestAddress()
 434 {
 435     qDebug() << __PRETTY_FUNCTION__;
 436
 437     if (m_networkAccessManager->isConnected()) {
 438         if (m_gps->isRunning())
 439             m_situareService->reverseGeo(m_gps->lastPosition());
 440         else
 441             m_situareService->reverseGeo(m_mapEngine->centerGeoCoordinate());
 442     }
 443     else {
 444         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 445     }
 446 }
 447
 448 void SituareEngine::requestUpdateLocation(const QString &status, bool publish)
 449 {
 450     qDebug() << __PRETTY_FUNCTION__;
 451
 452     if (m_networkAccessManager->isConnected()) {
 453         m_ui->toggleProgressIndicator(true);
 454
 455         if (m_gps->isRunning())
 456             m_situareService->updateLocation(m_gps->lastPosition(), status, publish);
 457         else
 458             m_situareService->updateLocation(m_mapEngine->centerGeoCoordinate(), status, publish);
 459     }
 460     else {
 461         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 462     }
 463 }
 464
 465 void SituareEngine::requestAutomaticUpdateIfMoved(GeoCoordinate position)
 466 {
 467     qDebug() << __PRETTY_FUNCTION__;
 468
 469     if ((fabs(m_lastUpdatedGPSPosition.longitude() - position.longitude()) >
 470          USER_MOVEMENT_MINIMUM_LONGITUDE_DIFFERENCE) ||
 471         (fabs(m_lastUpdatedGPSPosition.latitude() - position.latitude()) >
 472          USER_MOVEMENT_MINIMUM_LATITUDE_DIFFERENCE)) {
 473
 474         m_lastUpdatedGPSPosition = position;
 475         m_userMoved = true;
 476     }
 477
 478     if (m_automaticUpdateRequest && m_userMoved) {
 479         requestUpdateLocation(tr("Automatic location update"));
 480         m_automaticUpdateRequest = false;
 481         m_userMoved = false;
 482     }
 483 }
 484
 485 void SituareEngine::routeParsed(Route &route)
 486 {
 487     qDebug() << __PRETTY_FUNCTION__;
 488
 489     Q_UNUSED(route);
 490
 491     m_ui->toggleProgressIndicator(false);
 492 }
 493
 494 void SituareEngine::routeTo(const GeoCoordinate &endPointCoordinates)
 495 {
 496     qDebug() << __PRETTY_FUNCTION__;
 497
 498     m_ui->toggleProgressIndicator(true);
 499
 500     if (m_gps->isRunning())
 501         m_routingService->requestRoute(m_gps->lastPosition(), endPointCoordinates);
 502     else
 503         m_routingService->requestRoute(m_mapEngine->centerGeoCoordinate(), endPointCoordinates);
 504 }
 505
 506 void SituareEngine::routeToCursor()
 507 {
 508     qDebug() << __PRETTY_FUNCTION__;
 509
 510     routeTo(m_mapEngine->centerGeoCoordinate());
 511 }
 512
 513 void SituareEngine::setAutoCentering(bool enabled)
 514 {
 515     qDebug() << __PRETTY_FUNCTION__ << enabled;
 516
 517     m_ui->setIndicatorButtonEnabled(enabled);
 518     m_mapEngine->setAutoCentering(enabled);
 519     m_ui->setCrosshairVisibility(!enabled);
 520
 521     if (enabled) {
 522         setGPS(true);
 523         m_gps->requestLastPosition();
 524     }
 525 }
 526
 527 void SituareEngine::setFirstStartZoomLevel()
 528 {
 529     qDebug() << __PRETTY_FUNCTION__;
 530
 531     if (m_autoCenteringEnabled) // autocentering is disabled when map is scrolled
 532         m_mapEngine->setZoomLevel(DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE);
 533
 534     disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 535                this, SLOT(setFirstStartZoomLevel()));
 536 }
 537
 538 void SituareEngine::setGPS(bool enabled)
 539 {
 540     qDebug() << __PRETTY_FUNCTION__ << enabled;
 541
 542     if (m_gps->isInitialized()) {
 543         m_ui->setGPSButtonEnabled(enabled);
 544         m_mapEngine->setGPSEnabled(enabled);
 545
 546         if (enabled && !m_gps->isRunning()) {
 547             m_gps->start();
 548             m_gps->requestLastPosition();
 549
 550             if(m_ui->loginState())
 551                 m_ui->readAutomaticLocationUpdateSettings();
 552         }
 553         else if (!enabled && m_gps->isRunning()) {
 554             m_gps->stop();
 555             changeAutoCenteringSetting(false);
 556             enableAutomaticLocationUpdate(false);
 557         }
 558     }
 559     else {
 560         if (enabled)
 561             m_ui->buildInformationBox(tr("Unable to start GPS"));
 562         m_ui->setGPSButtonEnabled(false);
 563         m_mapEngine->setGPSEnabled(false);
 564     }
 565 }
 566
 567 void SituareEngine::setPowerSaving(bool enabled)
 568 {
 569     qDebug() << __PRETTY_FUNCTION__ << enabled;
 570
 571     m_gps->enablePowerSave(enabled);
 572
 573     if(m_autoCenteringEnabled)
 574         m_mapEngine->setAutoCentering(!enabled);
 575 }
 576
 577 void SituareEngine::showContactDialog(const QString &facebookId)
 578 {
 579     qDebug() << __PRETTY_FUNCTION__;
 580
 581     QString guid = m_contactManager->contactGuid(facebookId);
 582
 583     if (!guid.isEmpty())
 584         m_ui->showContactDialog(guid);
 585     else
 586         m_ui->buildInformationBox(tr("Unable to find contact.\nAdd Facebook IM "
 587                                      "account from Conversations to use this feature."), true);
 588 }
 589
 590 void SituareEngine::signalsFromFacebookAuthenticator()
 591 {
 592     qDebug() << __PRETTY_FUNCTION__;
 593
 594     connect(m_facebookAuthenticator, SIGNAL(error(int, int)),
 595             this, SLOT(error(int, int)));
 596
 597     connect(m_facebookAuthenticator, SIGNAL(credentialsReady(FacebookCredentials)),
 598             m_situareService, SLOT(credentialsReady(FacebookCredentials)));
 599
 600     connect(m_facebookAuthenticator, SIGNAL(credentialsReady(FacebookCredentials)),
 601             this, SLOT(loginOk()));
 602
 603     connect(m_facebookAuthenticator, SIGNAL(newLoginRequest()),
 604             m_ui, SLOT(startLoginProcess()));
 605
 606     connect(m_facebookAuthenticator, SIGNAL(saveCookiesRequest()),
 607             m_ui, SLOT(saveCookies()));
 608
 609     connect(m_facebookAuthenticator, SIGNAL(loginUsingCookies()),
 610             m_ui, SLOT(loginUsingCookies()));
 611
 612     connect(m_facebookAuthenticator, SIGNAL(buildLoginBrowser()),
 613             m_ui, SLOT(buildFacebookLoginBrowser()));
 614
 615     connect(m_facebookAuthenticator, SIGNAL(loggedIn(QString)),
 616             m_situareService, SLOT(updateSession(QString)));
 617
 618     connect(m_facebookAuthenticator, SIGNAL(loggedIn(QString)),
 619             this, SLOT(loggedIn()));
 620 }
 621
 622 void SituareEngine::signalsFromGeocodingService()
 623 {
 624     qDebug() << __PRETTY_FUNCTION__;
 625
 626     connect(m_geocodingService, SIGNAL(locationDataParsed(const QList<Location>&)),
 627             m_ui, SIGNAL(locationDataParsed(const QList<Location>&)));
 628
 629     connect(m_geocodingService, SIGNAL(error(int, int)),
 630             this, SLOT(error(int, int)));
 631 }
 632
 633 void SituareEngine::signalsFromGPS()
 634 {
 635     qDebug() << __PRETTY_FUNCTION__;
 636
 637     connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 638             m_mapEngine, SLOT(gpsPositionUpdate(GeoCoordinate, qreal)));
 639
 640     connect(m_gps, SIGNAL(timeout()),
 641             m_ui, SLOT(gpsTimeout()));
 642
 643     connect(m_gps, SIGNAL(error(int, int)),
 644             this, SLOT(error(int, int)));
 645 }
 646
 647 void SituareEngine::signalsFromMainWindow()
 648 {
 649     qDebug() << __PRETTY_FUNCTION__;
 650
 651     connect(m_ui, SIGNAL(error(int, int)),
 652             this, SLOT(error(int, int)));
 653
 654     connect(m_ui, SIGNAL(fetchUsernameFromSettings()),
 655             this, SLOT(fetchUsernameFromSettings()));
 656
 657     connect(m_ui, SIGNAL(loginActionPressed()),
 658             this, SLOT(loginActionPressed()));
 659
 660     connect(m_ui, SIGNAL(saveUsername(QString)),
 661             m_facebookAuthenticator, SLOT(saveUsername(QString)));
 662
 663     connect(m_ui, SIGNAL(updateCredentials(QUrl)),
 664             m_facebookAuthenticator, SLOT(updateCredentials(QUrl)));
 665
 666     connect(m_ui, SIGNAL(loginBrowserCreated(FacebookLoginBrowser*)),
 667             m_facebookAuthenticator, SLOT(setBrowser(FacebookLoginBrowser*)));
 668
 669     // signals from map view
 670     connect(m_ui, SIGNAL(mapViewScrolled(SceneCoordinate)),
 671             m_mapEngine, SLOT(setCenterPosition(SceneCoordinate)));
 672
 673     connect(m_ui, SIGNAL(mapViewResized(QSize)),
 674             m_mapEngine, SLOT(viewResized(QSize)));
 675
 676     connect(m_ui, SIGNAL(viewZoomFinished()),
 677             m_mapEngine, SLOT(viewZoomFinished()));
 678
 679     // signals from zoom buttons (zoom panel and volume buttons)
 680     connect(m_ui, SIGNAL(zoomIn()),
 681             m_mapEngine, SLOT(zoomIn()));
 682
 683     connect(m_ui, SIGNAL(zoomOut()),
 684             m_mapEngine, SLOT(zoomOut()));
 685
 686     // signals from menu buttons
 687     connect(m_ui, SIGNAL(gpsTriggered(bool)),
 688             this, SLOT(setGPS(bool)));
 689
 690     //signals from dialogs
 691     connect(m_ui, SIGNAL(cancelLoginProcess()),
 692             this, SLOT(loginProcessCancelled()));
 693
 694     connect(m_ui, SIGNAL(requestReverseGeo()),
 695             this, SLOT(requestAddress()));
 696
 697     connect(m_ui, SIGNAL(statusUpdate(QString,bool)),
 698             this, SLOT(requestUpdateLocation(QString,bool)));
 699
 700     connect(m_ui, SIGNAL(enableAutomaticLocationUpdate(bool, int)),
 701             this, SLOT(enableAutomaticLocationUpdate(bool, int)));
 702
 703     // signals from user info tab
 704     connect(m_ui, SIGNAL(refreshUserData()),
 705             this, SLOT(refreshUserData()));
 706
 707     connect(m_ui, SIGNAL(centerToCoordinates(GeoCoordinate)),
 708             m_mapEngine, SLOT(centerToCoordinates(GeoCoordinate)));
 709
 710     // routing signal from friend list tab & search location tab
 711     connect(m_ui, SIGNAL(routeTo(const GeoCoordinate&)),
 712             this, SLOT(routeTo(const GeoCoordinate&)));
 713
 714     // signals from location search panel
 715     connect(m_ui,
 716             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
 717             m_mapEngine,
 718             SLOT(showMapArea(const GeoCoordinate&, const GeoCoordinate&)));
 719
 720     connect(m_ui, SIGNAL(searchHistoryItemClicked(QString)),
 721             this, SLOT(locationSearch(QString)));
 722
 723     // signals from routing tab
 724     connect(m_ui, SIGNAL(clearRoute()),
 725             m_mapEngine, SLOT(clearRoute()));
 726
 727     connect(m_ui, SIGNAL(routeToCursor()),
 728             this, SLOT(routeToCursor()));
 729
 730     // signals from distance indicator button
 731     connect(m_ui, SIGNAL(autoCenteringTriggered(bool)),
 732             this, SLOT(changeAutoCenteringSetting(bool)));
 733
 734     connect(m_ui, SIGNAL(draggingModeTriggered()),
 735             this, SLOT(draggingModeTriggered()));
 736
 737     // signal from search location dialog
 738     connect(m_ui, SIGNAL(searchForLocation(QString)),
 739             this, SLOT(locationSearch(QString)));
 740
 741     // signal from friend list panel
 742     connect(m_ui, SIGNAL(requestContactDialog(const QString &)),
 743             this, SLOT(showContactDialog(const QString &)));
 744 }
 745
 746 void SituareEngine::signalsFromMapEngine()
 747 {
 748     qDebug() << __PRETTY_FUNCTION__;
 749
 750     connect(m_mapEngine, SIGNAL(error(int, int)),
 751             this, SLOT(error(int, int)));
 752
 753     connect(m_mapEngine, SIGNAL(locationChanged(SceneCoordinate)),
 754             m_ui, SIGNAL(centerToSceneCoordinates(SceneCoordinate)));
 755
 756     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
 757             m_ui, SIGNAL(zoomLevelChanged(int)));
 758
 759     connect(m_mapEngine, SIGNAL(mapScrolledManually()),
 760             this, SLOT(disableAutoCentering()));
 761
 762     connect(m_mapEngine, SIGNAL(maxZoomLevelReached()),
 763             m_ui, SIGNAL(maxZoomLevelReached()));
 764
 765     connect(m_mapEngine, SIGNAL(minZoomLevelReached()),
 766             m_ui, SIGNAL(minZoomLevelReached()));
 767
 768     connect(m_mapEngine, SIGNAL(locationItemClicked(QList<QString>)),
 769             m_ui, SIGNAL(locationItemClicked(QList<QString>)));
 770
 771     connect(m_mapEngine, SIGNAL(newMapResolution(qreal)),
 772             m_ui, SIGNAL(newMapResolution(qreal)));
 773
 774     connect(m_mapEngine, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)),
 775             m_ui, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)));
 776 }
 777
 778 void SituareEngine::signalsFromRoutingService()
 779 {
 780     qDebug() << __PRETTY_FUNCTION__;
 781
 782     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 783             this, SLOT(routeParsed(Route&)));
 784
 785     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 786             m_mapEngine, SLOT(setRoute(Route&)));
 787
 788     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 789             m_ui, SIGNAL(routeParsed(Route&)));
 790
 791     connect(m_routingService, SIGNAL(error(int, int)),
 792             this, SLOT(error(int, int)));
 793 }
 794
 795 void SituareEngine::signalsFromSituareService()
 796 {
 797     qDebug() << __PRETTY_FUNCTION__;
 798
 799     connect(m_situareService, SIGNAL(error(int, int)),
 800             this, SLOT(error(int, int)));
 801
 802     connect(m_situareService, SIGNAL(imageReady(User*)),
 803             this, SLOT(imageReady(User*)));
 804
 805     connect(m_situareService, SIGNAL(reverseGeoReady(QString)),
 806             m_ui, SIGNAL(reverseGeoReady(QString)));
 807
 808     connect(m_situareService, SIGNAL(userDataChanged(User*, QList<User*>&)),
 809             this, SLOT(userDataChanged(User*, QList<User*>&)));
 810
 811     connect(m_situareService, SIGNAL(updateWasSuccessful()),
 812             this, SLOT(updateWasSuccessful()));
 813
 814     connect(m_situareService, SIGNAL(updateWasSuccessful()),
 815             m_ui, SIGNAL(clearUpdateLocationDialogData()));
 816 }
 817
 818 void SituareEngine::startAutomaticUpdate()
 819 {
 820     qDebug() << __PRETTY_FUNCTION__;
 821
 822     m_gps->requestUpdate();
 823     m_automaticUpdateRequest = true;
 824 }
 825
 826 void SituareEngine::topmostWindowChanged(bool isMainWindow)
 827 {
 828     qDebug() << __PRETTY_FUNCTION__;
 829
 830     setPowerSaving(!isMainWindow);
 831 }
 832
 833 void SituareEngine::updateWasSuccessful()
 834 {
 835     qDebug() << __PRETTY_FUNCTION__;
 836
 837     if (m_networkAccessManager->isConnected())
 838         m_situareService->fetchLocations();
 839     else
 840         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 841 }
 842
 843 void SituareEngine::userDataChanged(User *user, QList<User *> &friendsList)
 844 {
 845     qDebug() << __PRETTY_FUNCTION__;
 846
 847     m_ui->toggleProgressIndicator(false);
 848
 849     emit userLocationReady(user);
 850     emit friendsLocationsReady(friendsList);
 851 }