vcs.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 "facebookservice/facebookauthentication.h"
  35 #include "gps/gpsposition.h"
  36 #include "map/mapengine.h"
  37 #include "routing/geocodingservice.h"
  38 #include "routing/routingservice.h"
  39 #include "mce.h"
  40 #include "network/networkaccessmanager.h"
  41 #include "situareservice/situareservice.h"
  42 #include "ui/mainwindow.h"
  43
  44 #include "engine.h"
  45
  46 const QString SETTINGS_GPS_ENABLED = "GPS_ENABLED"; ///< GPS setting
  47 const QString SETTINGS_AUTO_CENTERING_ENABLED = "AUTO_CENTERING_ENABLED";///< Auto centering setting
  48 const int DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE = 12;  ///< Default zoom level when GPS available
  49 const qreal USER_MOVEMENT_MINIMUM_LONGITUDE_DIFFERENCE = 0.003;///< Min value for user move latitude
  50 const qreal USER_MOVEMENT_MINIMUM_LATITUDE_DIFFERENCE = 0.001;///< Min value for user move longitude
  51 const int MIN_UPDATE_INTERVAL_MSECS = 5*60*1000;
  52
  53 SituareEngine::SituareEngine()
  54     : m_autoCenteringEnabled(false),
  55       m_automaticUpdateFirstStart(true),
  56       m_automaticUpdateRequest(false),
  57       m_userMoved(false),
  58       m_automaticUpdateIntervalTimer(0),
  59       m_lastUpdatedGPSPosition(GeoCoordinate())
  60 {
  61     qDebug() << __PRETTY_FUNCTION__;
  62
  63     m_ui = new MainWindow;
  64     m_ui->updateItemVisibility();
  65
  66     Application *application = static_cast<Application *>(qApp);
  67     application->registerWindow(m_ui->winId());
  68
  69     connect(application, SIGNAL(topmostWindowChanged(bool)),
  70             this, SLOT(topmostWindowChanged(bool)));
  71
  72     m_networkAccessManager = new NetworkAccessManager(this);
  73
  74     // build MapEngine
  75     m_mapEngine = new MapEngine(this);
  76     m_ui->setMapViewScene(m_mapEngine->scene());
  77
  78     // build GPS
  79     m_gps = new GPSPosition(this);
  80
  81     // build SituareService
  82     m_situareService = new SituareService(this);
  83
  84     // build FacebookAuthenticator
  85     m_facebookAuthenticator = new FacebookAuthentication(this);
  86
  87     // build routing service
  88     m_routingService = new RoutingService(this); // create this when needed, not in constructor!
  89
  90     // build geocoding service
  91     m_geocodingService = new GeocodingService(this);
  92
  93     // connect signals
  94     signalsFromMapEngine();
  95     signalsFromGeocodingService();
  96     signalsFromGPS();
  97     signalsFromRoutingService();
  98     signalsFromSituareService();
  99     signalsFromMainWindow();
 100     signalsFromFacebookAuthenticator();
 101
 102     connect(this, SIGNAL(userLocationReady(User*)),
 103             m_ui, SIGNAL(userLocationReady(User*)));
 104
 105     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
 106             m_ui, SIGNAL(friendsLocationsReady(QList<User*>&)));
 107
 108     connect(this, SIGNAL(userLocationReady(User*)),
 109             m_mapEngine, SLOT(receiveOwnLocation(User*)));
 110
 111     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
 112             m_mapEngine, SIGNAL(friendsLocationsReady(QList<User*>&)));
 113
 114     connect(this, SIGNAL(userImageReady(QString,QPixmap)),
 115             m_ui, SIGNAL(userImageReady(QString,QPixmap)));
 116
 117     connect(this, SIGNAL(friendImageReady(QString,QPixmap)),
 118             m_ui, SIGNAL(friendImageReady(QString,QPixmap)));
 119
 120     connect(this, SIGNAL(friendImageReady(QString,QPixmap)),
 121             m_mapEngine, SIGNAL(friendImageReady(QString,QPixmap)));
 122
 123     m_automaticUpdateIntervalTimer = new QTimer(this);
 124     connect(m_automaticUpdateIntervalTimer, SIGNAL(timeout()),
 125             this, SLOT(startAutomaticUpdate()));
 126
 127     // signals connected, now it's time to show the main window
 128     // but init the MapEngine before so starting location is set
 129     m_mapEngine->init();
 130     m_ui->show();
 131
 132     m_facebookAuthenticator->start();
 133
 134     m_gps->setMode(GPSPosition::Default);
 135     initializeGpsAndAutocentering();
 136
 137     m_mce = new MCE(this);
 138     connect(m_mce, SIGNAL(displayOff(bool)), this, SLOT(setPowerSaving(bool)));
 139
 140     m_contactManager = new ContactManager(this);
 141     m_contactManager->requestContactGuids();
 142 }
 143
 144 SituareEngine::~SituareEngine()
 145 {
 146     qDebug() << __PRETTY_FUNCTION__;
 147
 148     delete m_ui;
 149
 150     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 151     settings.setValue(SETTINGS_GPS_ENABLED, m_gps->isRunning());
 152     settings.setValue(SETTINGS_AUTO_CENTERING_ENABLED, m_autoCenteringEnabled);
 153 }
 154
 155 void SituareEngine::changeAutoCenteringSetting(bool enabled)
 156 {
 157     qDebug() << __PRETTY_FUNCTION__ << enabled;
 158
 159     m_autoCenteringEnabled = enabled;
 160     setAutoCentering(enabled);
 161 }
 162
 163 void SituareEngine::disableAutoCentering()
 164 {
 165     qDebug() << __PRETTY_FUNCTION__;
 166
 167     changeAutoCenteringSetting(false);
 168 }
 169
 170 void SituareEngine::draggingModeTriggered()
 171 {
 172     qDebug() << __PRETTY_FUNCTION__;
 173
 174     if (m_mce)
 175         m_mce->vibrationFeedback();
 176 }
 177
 178 void SituareEngine::enableAutomaticLocationUpdate(bool enabled, int updateIntervalMsecs)
 179 {
 180     qDebug() << __PRETTY_FUNCTION__;
 181
 182     //Show automatic update confirmation dialog
 183     if (m_automaticUpdateFirstStart && m_gps->isRunning() && enabled) {
 184         m_ui->showEnableAutomaticUpdateLocationDialog(
 185                 tr("Do you want to enable automatic location update with %1 min update interval?")
 186                 .arg(updateIntervalMsecs/1000/60));
 187         m_automaticUpdateFirstStart = false;
 188     } else {
 189         if (enabled && m_gps->isRunning()) {
 190             m_ui->buildInformationBox(tr("Automatic location update enabled"));
 191             if (updateIntervalMsecs < MIN_UPDATE_INTERVAL_MSECS)
 192                 m_automaticUpdateIntervalTimer->setInterval(MIN_UPDATE_INTERVAL_MSECS);
 193             else
 194                 m_automaticUpdateIntervalTimer->setInterval(updateIntervalMsecs);
 195
 196             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 197                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 198
 199             m_automaticUpdateIntervalTimer->start();
 200
 201         } else {
 202             disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 203                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 204
 205             m_automaticUpdateIntervalTimer->stop();
 206         }
 207     }
 208 }
 209
 210 void SituareEngine::error(const int context, const int error)
 211 {
 212     qDebug() << __PRETTY_FUNCTION__;
 213
 214     switch(error)
 215     {
 216     case SituareError::ERROR_GENERAL:
 217         if(context == ErrorContext::SITUARE) {
 218             m_ui->toggleProgressIndicator(false);
 219             m_ui->buildInformationBox(tr("Unknown server error"), true);
 220         }
 221         break;
 222     case 1: //errors: SituareError::ERROR_MISSING_ARGUMENT and QNetworkReply::ConnectionRefusedError
 223         m_ui->toggleProgressIndicator(false);
 224         if(context == ErrorContext::SITUARE) {
 225             m_ui->buildInformationBox(tr("Missing parameter from request"), true);
 226         } else if(context == ErrorContext::NETWORK) {
 227             m_ui->buildInformationBox(tr("Connection refused by the server"), true);
 228         }
 229         break;
 230     case QNetworkReply::RemoteHostClosedError:
 231         if(context == ErrorContext::NETWORK) {
 232             m_ui->toggleProgressIndicator(false);
 233             m_ui->buildInformationBox(tr("Connection closed by the server"), true);
 234         }
 235         break;
 236     case QNetworkReply::HostNotFoundError:
 237         if(context == ErrorContext::NETWORK) {
 238             m_ui->toggleProgressIndicator(false);
 239             m_ui->buildInformationBox(tr("Remote server not found"), true);
 240         }
 241         break;
 242     case QNetworkReply::TimeoutError:
 243         if(context == ErrorContext::NETWORK) {
 244             m_ui->toggleProgressIndicator(false);
 245             m_ui->buildInformationBox(tr("Connection timed out"), true);
 246         }
 247         break;
 248     case QNetworkReply::UnknownNetworkError:
 249         if(context == ErrorContext::NETWORK) {
 250             m_ui->toggleProgressIndicator(false);
 251             m_ui->buildInformationBox(tr("No network connection"), true);
 252         }
 253         break;
 254     case SituareError::SESSION_EXPIRED:
 255         m_ui->buildInformationBox(tr("Session expired. Please login again"), true);
 256         m_facebookAuthenticator->clearAccountInformation(true); // keep username = true
 257         m_situareService->clearUserData();
 258         m_ui->loggedIn(false);
 259         m_ui->loginFailed();
 260         break;
 261     case SituareError::LOGIN_FAILED:
 262         m_ui->toggleProgressIndicator(false);
 263         m_ui->buildInformationBox(tr("Invalid E-mail address or password"), true);
 264         m_ui->loginFailed();
 265         break;
 266     case SituareError::UPDATE_FAILED:
 267         m_ui->toggleProgressIndicator(false);
 268         m_ui->buildInformationBox(tr("Update failed, please try again"), true);
 269         break;
 270     case SituareError::DATA_RETRIEVAL_FAILED:
 271         m_ui->toggleProgressIndicator(false);
 272         m_ui->buildInformationBox(tr("Data retrieval failed, please try again"), true);
 273         break;
 274     case SituareError::ADDRESS_RETRIEVAL_FAILED:
 275         m_ui->toggleProgressIndicator(false);
 276         m_ui->buildInformationBox(tr("Address retrieval failed"), true);
 277         break;
 278     case SituareError::IMAGE_DOWNLOAD_FAILED:
 279         m_ui->buildInformationBox(tr("Image download failed"), true);
 280         break;
 281     case SituareError::MAP_IMAGE_DOWNLOAD_FAILED:
 282         m_ui->buildInformationBox(tr("Map image download failed"), true);
 283         break;
 284     case SituareError::GPS_INITIALIZATION_FAILED:
 285         setGPS(false);
 286         m_ui->buildInformationBox(tr("GPS initialization failed"), true);
 287         break;
 288     case SituareError::INVALID_JSON:
 289         m_ui->buildInformationBox(tr("Malformatted reply from server"), true);
 290         m_ui->loggedIn(false);
 291         m_facebookAuthenticator->clearAccountInformation(false); // clean all
 292         break;
 293     case SituareError::ERROR_ROUTING_FAILED:
 294         m_ui->toggleProgressIndicator(false);
 295         m_ui->buildInformationBox(tr("Routing failed"), true);
 296         break;
 297     case SituareError::ERROR_LOCATION_SEARCH_FAILED:
 298         m_ui->buildInformationBox(tr("No results found"), true);
 299         break;
 300     default:
 301         m_ui->toggleProgressIndicator(false);
 302         if(context == ErrorContext::NETWORK)
 303             qCritical() << __PRETTY_FUNCTION__ << "QNetworkReply::NetworkError: " << error;
 304         else
 305             qCritical() << __PRETTY_FUNCTION__ << "Unknown error: " << error;
 306         break;
 307     }
 308 }
 309
 310 void SituareEngine::fetchUsernameFromSettings()
 311 {
 312     qDebug() << __PRETTY_FUNCTION__;
 313
 314     m_ui->setUsername(m_facebookAuthenticator->loadUsername());
 315 }
 316
 317 void SituareEngine::imageReady(const QString &id, const QPixmap &image)
 318 {
 319     qDebug() << __PRETTY_FUNCTION__;
 320
 321     if(m_facebookAuthenticator->loginCredentials().userID() == id)
 322         emit userImageReady(id, image);
 323     else
 324         emit friendImageReady(id, image);
 325 }
 326
 327 void SituareEngine::initializeGpsAndAutocentering()
 328 {
 329     qDebug() << __PRETTY_FUNCTION__;
 330
 331     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 332     QVariant gpsEnabled = settings.value(SETTINGS_GPS_ENABLED);
 333     QVariant autoCenteringEnabled = settings.value(SETTINGS_AUTO_CENTERING_ENABLED);
 334
 335     if (m_gps->isInitialized()) {
 336
 337         if (gpsEnabled.toString().isEmpty()) { // First start. Situare.conf file does not exists
 338
 339             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 340                     this, SLOT(setFirstStartZoomLevel()));
 341
 342             changeAutoCenteringSetting(true);
 343             setGPS(true);
 344
 345             m_ui->buildInformationBox(tr("GPS enabled"));
 346
 347         } else { // Normal start
 348             changeAutoCenteringSetting(autoCenteringEnabled.toBool());
 349             setGPS(gpsEnabled.toBool());
 350
 351             if (gpsEnabled.toBool())
 352                 m_ui->buildInformationBox(tr("GPS enabled"));
 353         }
 354     } else {
 355         setGPS(false);
 356     }
 357 }
 358
 359 void SituareEngine::locationSearch(QString location)
 360 {
 361     qDebug() << __PRETTY_FUNCTION__;
 362
 363     if(!location.isEmpty())
 364         m_geocodingService->requestLocation(location);
 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->start();
 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::requestInterestingPeople()
 486 {
 487     qDebug() << __PRETTY_FUNCTION__;
 488
 489     QRectF currentSceneRect = m_mapEngine->currentViewSceneRect();
 490     SceneCoordinate bottomLeftSceneCoordinate(currentSceneRect.left(), currentSceneRect.bottom());
 491     SceneCoordinate topRightSceneCoordinate(currentSceneRect.right(), currentSceneRect.top());
 492
 493     m_situareService->fetchPeopleWithSimilarInterest(GeoCoordinate(bottomLeftSceneCoordinate),
 494                                                      GeoCoordinate(topRightSceneCoordinate));
 495 }
 496
 497 void SituareEngine::routeParsed(Route &route)
 498 {
 499     qDebug() << __PRETTY_FUNCTION__;
 500
 501     Q_UNUSED(route);
 502
 503     m_ui->toggleProgressIndicator(false);
 504 }
 505
 506 void SituareEngine::routeTo(const GeoCoordinate &endPointCoordinates)
 507 {
 508     qDebug() << __PRETTY_FUNCTION__;
 509
 510     m_ui->toggleProgressIndicator(true);
 511
 512     if (m_gps->isRunning())
 513         m_routingService->requestRoute(m_gps->lastPosition(), endPointCoordinates);
 514     else
 515         m_routingService->requestRoute(m_mapEngine->centerGeoCoordinate(), endPointCoordinates);
 516 }
 517
 518 void SituareEngine::routeToCursor()
 519 {
 520     qDebug() << __PRETTY_FUNCTION__;
 521
 522     routeTo(m_mapEngine->centerGeoCoordinate());
 523 }
 524
 525 void SituareEngine::setAutoCentering(bool enabled)
 526 {
 527     qDebug() << __PRETTY_FUNCTION__ << enabled;
 528
 529     m_ui->setIndicatorButtonEnabled(enabled);
 530     m_mapEngine->setAutoCentering(enabled);
 531     m_ui->setCrosshairVisibility(!enabled);
 532
 533     if (enabled) {
 534         setGPS(true);
 535         m_gps->requestLastPosition();
 536     }
 537 }
 538
 539 void SituareEngine::setFirstStartZoomLevel()
 540 {
 541     qDebug() << __PRETTY_FUNCTION__;
 542
 543     if (m_autoCenteringEnabled) // autocentering is disabled when map is scrolled
 544         m_mapEngine->setZoomLevel(DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE);
 545
 546     disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 547                this, SLOT(setFirstStartZoomLevel()));
 548 }
 549
 550 void SituareEngine::setGPS(bool enabled)
 551 {
 552     qDebug() << __PRETTY_FUNCTION__ << enabled;
 553
 554     if (m_gps->isInitialized()) {
 555         m_ui->setGPSButtonEnabled(enabled);
 556         m_mapEngine->setGPSEnabled(enabled);
 557
 558         if (enabled && !m_gps->isRunning()) {
 559             m_gps->start();
 560             m_gps->requestLastPosition();
 561
 562             if(m_ui->loginState())
 563                 m_ui->readAutomaticLocationUpdateSettings();
 564         }
 565         else if (!enabled && m_gps->isRunning()) {
 566             m_gps->stop();
 567             changeAutoCenteringSetting(false);
 568             enableAutomaticLocationUpdate(false);
 569         }
 570     }
 571     else {
 572         if (enabled)
 573             m_ui->buildInformationBox(tr("Unable to start GPS"));
 574         m_ui->setGPSButtonEnabled(false);
 575         m_mapEngine->setGPSEnabled(false);
 576     }
 577 }
 578
 579 void SituareEngine::setPowerSaving(bool enabled)
 580 {
 581     qDebug() << __PRETTY_FUNCTION__ << enabled;
 582
 583     m_gps->enablePowerSave(enabled);
 584
 585     if(m_autoCenteringEnabled)
 586         m_mapEngine->setAutoCentering(!enabled);
 587 }
 588
 589 void SituareEngine::showContactDialog(const QString &facebookId)
 590 {
 591     qDebug() << __PRETTY_FUNCTION__;
 592
 593     QString guid = m_contactManager->contactGuid(facebookId);
 594
 595     if (!guid.isEmpty())
 596         m_ui->showContactDialog(guid);
 597     else
 598         m_ui->buildInformationBox(tr("Unable to find contact.\nAdd Facebook IM "
 599                                      "account from Conversations to use this feature."), true);
 600 }
 601
 602 void SituareEngine::signalsFromFacebookAuthenticator()
 603 {
 604     qDebug() << __PRETTY_FUNCTION__;
 605
 606     connect(m_facebookAuthenticator, SIGNAL(error(int, int)),
 607             this, SLOT(error(int, int)));
 608
 609     connect(m_facebookAuthenticator, SIGNAL(credentialsReady(FacebookCredentials)),
 610             m_situareService, SLOT(credentialsReady(FacebookCredentials)));
 611
 612     connect(m_facebookAuthenticator, SIGNAL(credentialsReady(FacebookCredentials)),
 613             this, SLOT(loginOk()));
 614
 615     connect(m_facebookAuthenticator, SIGNAL(newLoginRequest()),
 616             m_ui, SLOT(startLoginProcess()));
 617
 618     connect(m_facebookAuthenticator, SIGNAL(saveCookiesRequest()),
 619             m_ui, SLOT(saveCookies()));
 620
 621     connect(m_facebookAuthenticator, SIGNAL(loginUsingCookies()),
 622             m_ui, SLOT(loginUsingCookies()));
 623 }
 624
 625 void SituareEngine::signalsFromGeocodingService()
 626 {
 627     qDebug() << __PRETTY_FUNCTION__;
 628
 629     connect(m_geocodingService, SIGNAL(locationDataParsed(const QList<Location>&)),
 630             m_ui, SIGNAL(locationDataParsed(const QList<Location>&)));
 631
 632     connect(m_geocodingService, SIGNAL(error(int, int)),
 633             this, SLOT(error(int, int)));
 634 }
 635
 636 void SituareEngine::signalsFromGPS()
 637 {
 638     qDebug() << __PRETTY_FUNCTION__;
 639
 640     connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 641             m_mapEngine, SLOT(gpsPositionUpdate(GeoCoordinate, qreal)));
 642
 643     connect(m_gps, SIGNAL(timeout()),
 644             m_ui, SLOT(gpsTimeout()));
 645
 646     connect(m_gps, SIGNAL(error(int, int)),
 647             this, SLOT(error(int, int)));
 648 }
 649
 650 void SituareEngine::signalsFromMainWindow()
 651 {
 652     qDebug() << __PRETTY_FUNCTION__;
 653
 654     connect(m_ui, SIGNAL(error(int, int)),
 655             this, SLOT(error(int, int)));
 656
 657     connect(m_ui, SIGNAL(fetchUsernameFromSettings()),
 658             this, SLOT(fetchUsernameFromSettings()));
 659
 660     connect(m_ui, SIGNAL(loginActionPressed()),
 661             this, SLOT(loginActionPressed()));
 662
 663     connect(m_ui, SIGNAL(saveUsername(QString)),
 664             m_facebookAuthenticator, SLOT(saveUsername(QString)));
 665
 666     connect(m_ui, SIGNAL(updateCredentials(QUrl)),
 667             m_facebookAuthenticator, SLOT(updateCredentials(QUrl)));
 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     connect(m_ui, SIGNAL(requestContactDialog(const QString &)),
 715             this, SLOT(showContactDialog(const QString &)));
 716
 717     // signals from location search panel
 718     connect(m_ui,
 719             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
 720             m_mapEngine,
 721             SLOT(showMapArea(const GeoCoordinate&, const GeoCoordinate&)));
 722
 723     connect(m_ui, SIGNAL(searchHistoryItemClicked(QString)),
 724             this, SLOT(locationSearch(QString)));
 725
 726     // signals from routing tab
 727     connect(m_ui, SIGNAL(clearRoute()),
 728             m_mapEngine, SLOT(clearRoute()));
 729
 730     connect(m_ui, SIGNAL(routeToCursor()),
 731             this, SLOT(routeToCursor()));
 732
 733     // signals from distance indicator button
 734     connect(m_ui, SIGNAL(autoCenteringTriggered(bool)),
 735             this, SLOT(changeAutoCenteringSetting(bool)));
 736
 737     connect(m_ui, SIGNAL(draggingModeTriggered()),
 738             this, SLOT(draggingModeTriggered()));
 739
 740     // signal from search location dialog
 741     connect(m_ui, SIGNAL(searchForLocation(QString)),
 742             this, SLOT(locationSearch(QString)));
 743
 744     // signals from meet people panel
 745     connect(m_ui, SIGNAL(requestInterestingPeople()),
 746             this, SLOT(requestInterestingPeople()));
 747
 748     // signals from notifications panel
 749     connect(m_ui, SIGNAL(requestNotifications()),
 750             m_situareService, SLOT(fetchNotifications()));
 751 }
 752
 753 void SituareEngine::signalsFromMapEngine()
 754 {
 755     qDebug() << __PRETTY_FUNCTION__;
 756
 757     connect(m_mapEngine, SIGNAL(error(int, int)),
 758             this, SLOT(error(int, int)));
 759
 760     connect(m_mapEngine, SIGNAL(locationChanged(SceneCoordinate)),
 761             m_ui, SIGNAL(centerToSceneCoordinates(SceneCoordinate)));
 762
 763     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
 764             m_ui, SIGNAL(zoomLevelChanged(int)));
 765
 766     connect(m_mapEngine, SIGNAL(mapScrolledManually()),
 767             this, SLOT(disableAutoCentering()));
 768
 769     connect(m_mapEngine, SIGNAL(maxZoomLevelReached()),
 770             m_ui, SIGNAL(maxZoomLevelReached()));
 771
 772     connect(m_mapEngine, SIGNAL(minZoomLevelReached()),
 773             m_ui, SIGNAL(minZoomLevelReached()));
 774
 775     connect(m_mapEngine, SIGNAL(locationItemClicked(QList<QString>)),
 776             m_ui, SIGNAL(locationItemClicked(QList<QString>)));
 777
 778     connect(m_mapEngine, SIGNAL(newMapResolution(qreal)),
 779             m_ui, SIGNAL(newMapResolution(qreal)));
 780
 781     connect(m_mapEngine, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)),
 782             m_ui, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)));
 783 }
 784
 785 void SituareEngine::signalsFromRoutingService()
 786 {
 787     qDebug() << __PRETTY_FUNCTION__;
 788
 789     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 790             this, SLOT(routeParsed(Route&)));
 791
 792     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 793             m_mapEngine, SLOT(setRoute(Route&)));
 794
 795     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 796             m_ui, SIGNAL(routeParsed(Route&)));
 797
 798     connect(m_routingService, SIGNAL(error(int, int)),
 799             this, SLOT(error(int, int)));
 800 }
 801
 802 void SituareEngine::signalsFromSituareService()
 803 {
 804     qDebug() << __PRETTY_FUNCTION__;
 805
 806     connect(m_situareService, SIGNAL(error(int, int)),
 807             this, SLOT(error(int, int)));
 808
 809     connect(m_situareService, SIGNAL(imageReady(QString,QPixmap)),
 810             this, SLOT(imageReady(QString,QPixmap)));
 811
 812     connect(m_situareService, SIGNAL(reverseGeoReady(QString)),
 813             m_ui, SIGNAL(reverseGeoReady(QString)));
 814
 815     connect(m_situareService, SIGNAL(userDataChanged(User*, QList<User*>&)),
 816             this, SLOT(userDataChanged(User*, QList<User*>&)));
 817
 818     connect(m_situareService, SIGNAL(updateWasSuccessful()),
 819             this, SLOT(updateWasSuccessful()));
 820
 821     connect(m_situareService, SIGNAL(updateWasSuccessful()),
 822             m_ui, SIGNAL(clearUpdateLocationDialogData()));
 823
 824     connect(m_situareService, SIGNAL(interestingPeopleReceived(QList<User>&)),
 825             m_ui, SIGNAL(interestingPeopleReceived(QList<User>&)));
 826
 827     connect(m_situareService, SIGNAL(notificationsReceived(QList<Notification>&)),
 828             m_ui, SIGNAL(notificationsReceived(QList<Notification>&)));
 829 }
 830
 831 void SituareEngine::startAutomaticUpdate()
 832 {
 833     qDebug() << __PRETTY_FUNCTION__;
 834
 835     m_gps->requestUpdate();
 836     m_automaticUpdateRequest = true;
 837 }
 838
 839 void SituareEngine::topmostWindowChanged(bool isMainWindow)
 840 {
 841     qDebug() << __PRETTY_FUNCTION__;
 842
 843     setPowerSaving(!isMainWindow);
 844 }
 845
 846 void SituareEngine::updateWasSuccessful()
 847 {
 848     qDebug() << __PRETTY_FUNCTION__;
 849
 850     if (m_networkAccessManager->isConnected())
 851         m_situareService->fetchLocations();
 852     else
 853         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 854 }
 855
 856 void SituareEngine::userDataChanged(User *user, QList<User *> &friendsList)
 857 {
 858     qDebug() << __PRETTY_FUNCTION__;
 859
 860     m_ui->toggleProgressIndicator(false);
 861
 862     emit userLocationReady(user);
 863     emit friendsLocationsReady(friendsList);
 864 }