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_facebookAuthenticator->start();
 131
 132     m_gps->setMode(GPSPosition::Default);
 133     initializeGpsAndAutocentering();
 134
 135     m_mce = new MCE(this);
 136     connect(m_mce, SIGNAL(displayOff(bool)), this, SLOT(setPowerSaving(bool)));
 137
 138     m_contactManager = new ContactManager(this);
 139     m_contactManager->requestContactGuids();
 140
 141     ///< @todo just for testing the login browser
 142     login();
 143 }
 144
 145 SituareEngine::~SituareEngine()
 146 {
 147     qDebug() << __PRETTY_FUNCTION__;
 148
 149     delete m_ui;
 150
 151     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 152     settings.setValue(SETTINGS_GPS_ENABLED, m_gps->isRunning());
 153     settings.setValue(SETTINGS_AUTO_CENTERING_ENABLED, m_autoCenteringEnabled);
 154 }
 155
 156 void SituareEngine::changeAutoCenteringSetting(bool enabled)
 157 {
 158     qDebug() << __PRETTY_FUNCTION__ << enabled;
 159
 160     m_autoCenteringEnabled = enabled;
 161     setAutoCentering(enabled);
 162 }
 163
 164 void SituareEngine::disableAutoCentering()
 165 {
 166     qDebug() << __PRETTY_FUNCTION__;
 167
 168     changeAutoCenteringSetting(false);
 169 }
 170
 171 void SituareEngine::draggingModeTriggered()
 172 {
 173     qDebug() << __PRETTY_FUNCTION__;
 174
 175     if (m_mce)
 176         m_mce->vibrationFeedback();
 177 }
 178
 179 void SituareEngine::enableAutomaticLocationUpdate(bool enabled, int updateIntervalMsecs)
 180 {
 181     qDebug() << __PRETTY_FUNCTION__;
 182
 183     //Show automatic update confirmation dialog
 184     if (m_automaticUpdateFirstStart && m_gps->isRunning() && enabled) {
 185         m_ui->showEnableAutomaticUpdateLocationDialog(
 186                 tr("Do you want to enable automatic location update with %1 min update interval?")
 187                 .arg(updateIntervalMsecs/1000/60));
 188         m_automaticUpdateFirstStart = false;
 189     } else {
 190         if (enabled && m_gps->isRunning()) {
 191             m_ui->buildInformationBox(tr("Automatic location update enabled"));
 192             if (updateIntervalMsecs < MIN_UPDATE_INTERVAL_MSECS)
 193                 m_automaticUpdateIntervalTimer->setInterval(MIN_UPDATE_INTERVAL_MSECS);
 194             else
 195                 m_automaticUpdateIntervalTimer->setInterval(updateIntervalMsecs);
 196
 197             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 198                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 199
 200             m_automaticUpdateIntervalTimer->start();
 201
 202         } else {
 203             disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 204                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 205
 206             m_automaticUpdateIntervalTimer->stop();
 207         }
 208     }
 209 }
 210
 211 void SituareEngine::error(const int context, const int error)
 212 {
 213     qDebug() << __PRETTY_FUNCTION__;
 214
 215     switch(error)
 216     {
 217     case SituareError::ERROR_GENERAL:
 218         if(context == ErrorContext::SITUARE) {
 219             m_ui->toggleProgressIndicator(false);
 220             m_ui->buildInformationBox(tr("Unknown server error"), true);
 221         }
 222         break;
 223     case 1: //errors: SituareError::ERROR_MISSING_ARGUMENT and QNetworkReply::ConnectionRefusedError
 224         m_ui->toggleProgressIndicator(false);
 225         if(context == ErrorContext::SITUARE) {
 226             m_ui->buildInformationBox(tr("Missing parameter from request"), true);
 227         } else if(context == ErrorContext::NETWORK) {
 228             m_ui->buildInformationBox(tr("Connection refused by the server"), true);
 229         }
 230         break;
 231     case QNetworkReply::RemoteHostClosedError:
 232         if(context == ErrorContext::NETWORK) {
 233             m_ui->toggleProgressIndicator(false);
 234             m_ui->buildInformationBox(tr("Connection closed by the server"), true);
 235         }
 236         break;
 237     case QNetworkReply::HostNotFoundError:
 238         if(context == ErrorContext::NETWORK) {
 239             m_ui->toggleProgressIndicator(false);
 240             m_ui->buildInformationBox(tr("Remote server not found"), true);
 241         }
 242         break;
 243     case QNetworkReply::TimeoutError:
 244         if(context == ErrorContext::NETWORK) {
 245             m_ui->toggleProgressIndicator(false);
 246             m_ui->buildInformationBox(tr("Connection timed out"), true);
 247         }
 248         break;
 249     case QNetworkReply::UnknownNetworkError:
 250         if(context == ErrorContext::NETWORK) {
 251             m_ui->toggleProgressIndicator(false);
 252             m_ui->buildInformationBox(tr("No network connection"), true);
 253         }
 254         break;
 255     case SituareError::SESSION_EXPIRED:
 256         m_ui->buildInformationBox(tr("Session expired. Please login again"), true);
 257         m_facebookAuthenticator->clearAccountInformation(true); // keep username = true
 258         m_situareService->clearUserData();
 259         m_ui->loggedIn(false);
 260         m_ui->loginFailed();
 261         break;
 262     case SituareError::LOGIN_FAILED:
 263         m_ui->toggleProgressIndicator(false);
 264         m_ui->buildInformationBox(tr("Invalid E-mail address or password"), true);
 265         m_ui->loginFailed();
 266         break;
 267     case SituareError::UPDATE_FAILED:
 268         m_ui->toggleProgressIndicator(false);
 269         m_ui->buildInformationBox(tr("Update failed, please try again"), true);
 270         break;
 271     case SituareError::DATA_RETRIEVAL_FAILED:
 272         m_ui->toggleProgressIndicator(false);
 273         m_ui->buildInformationBox(tr("Data retrieval failed, please try again"), true);
 274         break;
 275     case SituareError::ADDRESS_RETRIEVAL_FAILED:
 276         m_ui->toggleProgressIndicator(false);
 277         m_ui->buildInformationBox(tr("Address retrieval failed"), true);
 278         break;
 279     case SituareError::IMAGE_DOWNLOAD_FAILED:
 280         m_ui->buildInformationBox(tr("Image download failed"), true);
 281         break;
 282     case SituareError::MAP_IMAGE_DOWNLOAD_FAILED:
 283         m_ui->buildInformationBox(tr("Map image download failed"), true);
 284         break;
 285     case SituareError::GPS_INITIALIZATION_FAILED:
 286         setGPS(false);
 287         m_ui->buildInformationBox(tr("GPS initialization failed"), true);
 288         break;
 289     case SituareError::INVALID_JSON:
 290         m_ui->buildInformationBox(tr("Malformatted reply from server"), true);
 291         m_ui->loggedIn(false);
 292         m_facebookAuthenticator->clearAccountInformation(false); // clean all
 293         break;
 294     case SituareError::ERROR_ROUTING_FAILED:
 295         m_ui->toggleProgressIndicator(false);
 296         m_ui->buildInformationBox(tr("Routing failed"), true);
 297         break;
 298     case SituareError::ERROR_LOCATION_SEARCH_FAILED:
 299         m_ui->buildInformationBox(tr("No results found"), true);
 300         break;
 301     default:
 302         m_ui->toggleProgressIndicator(false);
 303         if(context == ErrorContext::NETWORK)
 304             qCritical() << __PRETTY_FUNCTION__ << "QNetworkReply::NetworkError: " << error;
 305         else
 306             qCritical() << __PRETTY_FUNCTION__ << "Unknown error: " << error;
 307         break;
 308     }
 309 }
 310
 311 void SituareEngine::fetchUsernameFromSettings()
 312 {
 313     qDebug() << __PRETTY_FUNCTION__;
 314
 315     m_ui->setUsername(m_facebookAuthenticator->loadUsername());
 316 }
 317
 318 void SituareEngine::imageReady(User *user)
 319 {
 320     qDebug() << __PRETTY_FUNCTION__;
 321
 322     if(user->type())
 323         emit userLocationReady(user);
 324     else
 325         emit friendImageReady(user);
 326 }
 327
 328 void SituareEngine::initializeGpsAndAutocentering()
 329 {
 330     qDebug() << __PRETTY_FUNCTION__;
 331
 332     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 333     QVariant gpsEnabled = settings.value(SETTINGS_GPS_ENABLED);
 334     QVariant autoCenteringEnabled = settings.value(SETTINGS_AUTO_CENTERING_ENABLED);
 335
 336     if (m_gps->isInitialized()) {
 337
 338         if (gpsEnabled.toString().isEmpty()) { // First start. Situare.conf file does not exists
 339
 340             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 341                     this, SLOT(setFirstStartZoomLevel()));
 342
 343             changeAutoCenteringSetting(true);
 344             setGPS(true);
 345
 346             m_ui->buildInformationBox(tr("GPS enabled"));
 347
 348         } else { // Normal start
 349             changeAutoCenteringSetting(autoCenteringEnabled.toBool());
 350             setGPS(gpsEnabled.toBool());
 351
 352             if (gpsEnabled.toBool())
 353                 m_ui->buildInformationBox(tr("GPS enabled"));
 354         }
 355     } else {
 356         setGPS(false);
 357     }
 358 }
 359
 360 void SituareEngine::locationSearch(QString location)
 361 {
 362     qDebug() << __PRETTY_FUNCTION__;
 363
 364     if(!location.isEmpty())
 365         m_geocodingService->requestLocation(location);
 366 }
 367
 368 void SituareEngine::login()
 369 {
 370     qWarning() << __PRETTY_FUNCTION__;
 371
 372     FacebookLoginBrowser *browser = m_ui->buildFacebookLoginBrowser();
 373
 374     connect(browser, SIGNAL(loadFinished(bool)),
 375             m_facebookAuthenticator, SLOT(loadFinished(bool)));
 376
 377     connect(browser, SIGNAL(urlChanged(QUrl)),
 378             m_facebookAuthenticator, SLOT(urlChanged(QUrl)));
 379
 380     browser->load(QUrl("https://graph.facebook.com/oauth/authorize?client_id=4197c64da2fb6b927236feaea32d7d81&redirect_uri=http://www.facebook.com/connect/login_success.html&display=touch&type=user_agent"));
 381 }
 382
 383 void SituareEngine::loginActionPressed()
 384 {
 385     qDebug() << __PRETTY_FUNCTION__;
 386
 387     if (m_networkAccessManager->isConnected()) {
 388         if(m_ui->loginState()) {
 389             logout();
 390             m_situareService->clearUserData();
 391         } else {
 392             m_facebookAuthenticator->start();
 393         }
 394     }
 395     else {
 396         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 397     }
 398 }
 399
 400 void SituareEngine::loginOk()
 401 {
 402     qDebug() << __PRETTY_FUNCTION__;
 403
 404     m_ui->loggedIn(true);
 405
 406     m_ui->show();
 407     m_situareService->fetchLocations(); // request user locations
 408
 409     if (m_gps->isRunning())
 410         m_ui->readAutomaticLocationUpdateSettings();
 411 }
 412
 413 void SituareEngine::loginProcessCancelled()
 414 {
 415     qDebug() << __PRETTY_FUNCTION__;
 416
 417     m_ui->toggleProgressIndicator(false);
 418     m_ui->updateItemVisibility();
 419 }
 420
 421 void SituareEngine::logout()
 422 {
 423     qDebug() << __PRETTY_FUNCTION__;
 424
 425     m_ui->loggedIn(false);
 426
 427     // signal to clear locationUpdateDialog's data
 428     connect(this, SIGNAL(clearUpdateLocationDialogData()),
 429             m_ui, SIGNAL(clearUpdateLocationDialogData()));
 430     emit clearUpdateLocationDialogData();
 431
 432     m_facebookAuthenticator->clearAccountInformation(); // clear all
 433     m_automaticUpdateFirstStart = true;
 434 }
 435
 436 void SituareEngine::refreshUserData()
 437 {
 438     qDebug() << __PRETTY_FUNCTION__;
 439
 440     if (m_networkAccessManager->isConnected()) {
 441         m_ui->toggleProgressIndicator(true);
 442         m_situareService->fetchLocations();
 443     }
 444     else {
 445         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 446     }
 447 }
 448
 449 void SituareEngine::requestAddress()
 450 {
 451     qDebug() << __PRETTY_FUNCTION__;
 452
 453     if (m_networkAccessManager->isConnected()) {
 454         if (m_gps->isRunning())
 455             m_situareService->reverseGeo(m_gps->lastPosition());
 456         else
 457             m_situareService->reverseGeo(m_mapEngine->centerGeoCoordinate());
 458     }
 459     else {
 460         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 461     }
 462 }
 463
 464 void SituareEngine::requestUpdateLocation(const QString &status, bool publish)
 465 {
 466     qDebug() << __PRETTY_FUNCTION__;
 467
 468     if (m_networkAccessManager->isConnected()) {
 469         m_ui->toggleProgressIndicator(true);
 470
 471         if (m_gps->isRunning())
 472             m_situareService->updateLocation(m_gps->lastPosition(), status, publish);
 473         else
 474             m_situareService->updateLocation(m_mapEngine->centerGeoCoordinate(), status, publish);
 475     }
 476     else {
 477         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 478     }
 479 }
 480
 481 void SituareEngine::requestAutomaticUpdateIfMoved(GeoCoordinate position)
 482 {
 483     qDebug() << __PRETTY_FUNCTION__;
 484
 485     if ((fabs(m_lastUpdatedGPSPosition.longitude() - position.longitude()) >
 486          USER_MOVEMENT_MINIMUM_LONGITUDE_DIFFERENCE) ||
 487         (fabs(m_lastUpdatedGPSPosition.latitude() - position.latitude()) >
 488          USER_MOVEMENT_MINIMUM_LATITUDE_DIFFERENCE)) {
 489
 490         m_lastUpdatedGPSPosition = position;
 491         m_userMoved = true;
 492     }
 493
 494     if (m_automaticUpdateRequest && m_userMoved) {
 495         requestUpdateLocation(tr("Automatic location update"));
 496         m_automaticUpdateRequest = false;
 497         m_userMoved = false;
 498     }
 499 }
 500
 501 void SituareEngine::routeParsed(Route &route)
 502 {
 503     qDebug() << __PRETTY_FUNCTION__;
 504
 505     Q_UNUSED(route);
 506
 507     m_ui->toggleProgressIndicator(false);
 508 }
 509
 510 void SituareEngine::routeTo(const GeoCoordinate &endPointCoordinates)
 511 {
 512     qDebug() << __PRETTY_FUNCTION__;
 513
 514     m_ui->toggleProgressIndicator(true);
 515
 516     if (m_gps->isRunning())
 517         m_routingService->requestRoute(m_gps->lastPosition(), endPointCoordinates);
 518     else
 519         m_routingService->requestRoute(m_mapEngine->centerGeoCoordinate(), endPointCoordinates);
 520 }
 521
 522 void SituareEngine::routeToCursor()
 523 {
 524     qDebug() << __PRETTY_FUNCTION__;
 525
 526     routeTo(m_mapEngine->centerGeoCoordinate());
 527 }
 528
 529 void SituareEngine::setAutoCentering(bool enabled)
 530 {
 531     qDebug() << __PRETTY_FUNCTION__ << enabled;
 532
 533     m_ui->setIndicatorButtonEnabled(enabled);
 534     m_mapEngine->setAutoCentering(enabled);
 535     m_ui->setCrosshairVisibility(!enabled);
 536
 537     if (enabled) {
 538         setGPS(true);
 539         m_gps->requestLastPosition();
 540     }
 541 }
 542
 543 void SituareEngine::setFirstStartZoomLevel()
 544 {
 545     qDebug() << __PRETTY_FUNCTION__;
 546
 547     if (m_autoCenteringEnabled) // autocentering is disabled when map is scrolled
 548         m_mapEngine->setZoomLevel(DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE);
 549
 550     disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 551                this, SLOT(setFirstStartZoomLevel()));
 552 }
 553
 554 void SituareEngine::setGPS(bool enabled)
 555 {
 556     qDebug() << __PRETTY_FUNCTION__ << enabled;
 557
 558     if (m_gps->isInitialized()) {
 559         m_ui->setGPSButtonEnabled(enabled);
 560         m_mapEngine->setGPSEnabled(enabled);
 561
 562         if (enabled && !m_gps->isRunning()) {
 563             m_gps->start();
 564             m_gps->requestLastPosition();
 565
 566             if(m_ui->loginState())
 567                 m_ui->readAutomaticLocationUpdateSettings();
 568         }
 569         else if (!enabled && m_gps->isRunning()) {
 570             m_gps->stop();
 571             changeAutoCenteringSetting(false);
 572             enableAutomaticLocationUpdate(false);
 573         }
 574     }
 575     else {
 576         if (enabled)
 577             m_ui->buildInformationBox(tr("Unable to start GPS"));
 578         m_ui->setGPSButtonEnabled(false);
 579         m_mapEngine->setGPSEnabled(false);
 580     }
 581 }
 582
 583 void SituareEngine::setPowerSaving(bool enabled)
 584 {
 585     qDebug() << __PRETTY_FUNCTION__ << enabled;
 586
 587     m_gps->enablePowerSave(enabled);
 588
 589     if(m_autoCenteringEnabled)
 590         m_mapEngine->setAutoCentering(!enabled);
 591 }
 592
 593 void SituareEngine::showContactDialog(const QString &facebookId)
 594 {
 595     qDebug() << __PRETTY_FUNCTION__;
 596
 597     QString guid = m_contactManager->contactGuid(facebookId);
 598
 599     if (!guid.isEmpty())
 600         m_ui->showContactDialog(guid);
 601     else
 602         m_ui->buildInformationBox(tr("Unable to find contact.\nAdd Facebook IM "
 603                                      "account from Conversations to use this feature."), true);
 604 }
 605
 606 void SituareEngine::signalsFromFacebookAuthenticator()
 607 {
 608     qDebug() << __PRETTY_FUNCTION__;
 609
 610     connect(m_facebookAuthenticator, SIGNAL(error(int, int)),
 611             this, SLOT(error(int, int)));
 612
 613     connect(m_facebookAuthenticator, SIGNAL(credentialsReady(FacebookCredentials)),
 614             m_situareService, SLOT(credentialsReady(FacebookCredentials)));
 615
 616     connect(m_facebookAuthenticator, SIGNAL(credentialsReady(FacebookCredentials)),
 617             this, SLOT(loginOk()));
 618
 619     connect(m_facebookAuthenticator, SIGNAL(newLoginRequest()),
 620             m_ui, SLOT(startLoginProcess()));
 621
 622     connect(m_facebookAuthenticator, SIGNAL(saveCookiesRequest()),
 623             m_ui, SLOT(saveCookies()));
 624
 625     connect(m_facebookAuthenticator, SIGNAL(loginUsingCookies()),
 626             m_ui, SLOT(loginUsingCookies()));
 627 }
 628
 629 void SituareEngine::signalsFromGeocodingService()
 630 {
 631     qDebug() << __PRETTY_FUNCTION__;
 632
 633     connect(m_geocodingService, SIGNAL(locationDataParsed(const QList<Location>&)),
 634             m_ui, SIGNAL(locationDataParsed(const QList<Location>&)));
 635
 636     connect(m_geocodingService, SIGNAL(error(int, int)),
 637             this, SLOT(error(int, int)));
 638 }
 639
 640 void SituareEngine::signalsFromGPS()
 641 {
 642     qDebug() << __PRETTY_FUNCTION__;
 643
 644     connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 645             m_mapEngine, SLOT(gpsPositionUpdate(GeoCoordinate, qreal)));
 646
 647     connect(m_gps, SIGNAL(timeout()),
 648             m_ui, SLOT(gpsTimeout()));
 649
 650     connect(m_gps, SIGNAL(error(int, int)),
 651             this, SLOT(error(int, int)));
 652 }
 653
 654 void SituareEngine::signalsFromMainWindow()
 655 {
 656     qDebug() << __PRETTY_FUNCTION__;
 657
 658     connect(m_ui, SIGNAL(error(int, int)),
 659             this, SLOT(error(int, int)));
 660
 661     connect(m_ui, SIGNAL(fetchUsernameFromSettings()),
 662             this, SLOT(fetchUsernameFromSettings()));
 663
 664     connect(m_ui, SIGNAL(loginActionPressed()),
 665             this, SLOT(loginActionPressed()));
 666
 667     connect(m_ui, SIGNAL(saveUsername(QString)),
 668             m_facebookAuthenticator, SLOT(saveUsername(QString)));
 669
 670     connect(m_ui, SIGNAL(updateCredentials(QUrl)),
 671             m_facebookAuthenticator, SLOT(updateCredentials(QUrl)));
 672
 673     // signals from map view
 674     connect(m_ui, SIGNAL(mapViewScrolled(SceneCoordinate)),
 675             m_mapEngine, SLOT(setCenterPosition(SceneCoordinate)));
 676
 677     connect(m_ui, SIGNAL(mapViewResized(QSize)),
 678             m_mapEngine, SLOT(viewResized(QSize)));
 679
 680     connect(m_ui, SIGNAL(viewZoomFinished()),
 681             m_mapEngine, SLOT(viewZoomFinished()));
 682
 683     // signals from zoom buttons (zoom panel and volume buttons)
 684     connect(m_ui, SIGNAL(zoomIn()),
 685             m_mapEngine, SLOT(zoomIn()));
 686
 687     connect(m_ui, SIGNAL(zoomOut()),
 688             m_mapEngine, SLOT(zoomOut()));
 689
 690     // signals from menu buttons
 691     connect(m_ui, SIGNAL(gpsTriggered(bool)),
 692             this, SLOT(setGPS(bool)));
 693
 694     //signals from dialogs
 695     connect(m_ui, SIGNAL(cancelLoginProcess()),
 696             this, SLOT(loginProcessCancelled()));
 697
 698     connect(m_ui, SIGNAL(requestReverseGeo()),
 699             this, SLOT(requestAddress()));
 700
 701     connect(m_ui, SIGNAL(statusUpdate(QString,bool)),
 702             this, SLOT(requestUpdateLocation(QString,bool)));
 703
 704     connect(m_ui, SIGNAL(enableAutomaticLocationUpdate(bool, int)),
 705             this, SLOT(enableAutomaticLocationUpdate(bool, int)));
 706
 707     // signals from user info tab
 708     connect(m_ui, SIGNAL(refreshUserData()),
 709             this, SLOT(refreshUserData()));
 710
 711     connect(m_ui, SIGNAL(centerToCoordinates(GeoCoordinate)),
 712             m_mapEngine, SLOT(centerToCoordinates(GeoCoordinate)));
 713
 714     // routing signal from friend list tab & search location tab
 715     connect(m_ui, SIGNAL(routeTo(const GeoCoordinate&)),
 716             this, SLOT(routeTo(const GeoCoordinate&)));
 717
 718     // signals from location search panel
 719     connect(m_ui,
 720             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
 721             m_mapEngine,
 722             SLOT(showMapArea(const GeoCoordinate&, const GeoCoordinate&)));
 723
 724     connect(m_ui, SIGNAL(searchHistoryItemClicked(QString)),
 725             this, SLOT(locationSearch(QString)));
 726
 727     // signals from routing tab
 728     connect(m_ui, SIGNAL(clearRoute()),
 729             m_mapEngine, SLOT(clearRoute()));
 730
 731     connect(m_ui, SIGNAL(routeToCursor()),
 732             this, SLOT(routeToCursor()));
 733
 734     // signals from distance indicator button
 735     connect(m_ui, SIGNAL(autoCenteringTriggered(bool)),
 736             this, SLOT(changeAutoCenteringSetting(bool)));
 737
 738     connect(m_ui, SIGNAL(draggingModeTriggered()),
 739             this, SLOT(draggingModeTriggered()));
 740
 741     // signal from search location dialog
 742     connect(m_ui, SIGNAL(searchForLocation(QString)),
 743             this, SLOT(locationSearch(QString)));
 744
 745     // signal from friend list panel
 746     connect(m_ui, SIGNAL(requestContactDialog(const QString &)),
 747             this, SLOT(showContactDialog(const QString &)));
 748 }
 749
 750 void SituareEngine::signalsFromMapEngine()
 751 {
 752     qDebug() << __PRETTY_FUNCTION__;
 753
 754     connect(m_mapEngine, SIGNAL(error(int, int)),
 755             this, SLOT(error(int, int)));
 756
 757     connect(m_mapEngine, SIGNAL(locationChanged(SceneCoordinate)),
 758             m_ui, SIGNAL(centerToSceneCoordinates(SceneCoordinate)));
 759
 760     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
 761             m_ui, SIGNAL(zoomLevelChanged(int)));
 762
 763     connect(m_mapEngine, SIGNAL(mapScrolledManually()),
 764             this, SLOT(disableAutoCentering()));
 765
 766     connect(m_mapEngine, SIGNAL(maxZoomLevelReached()),
 767             m_ui, SIGNAL(maxZoomLevelReached()));
 768
 769     connect(m_mapEngine, SIGNAL(minZoomLevelReached()),
 770             m_ui, SIGNAL(minZoomLevelReached()));
 771
 772     connect(m_mapEngine, SIGNAL(locationItemClicked(QList<QString>)),
 773             m_ui, SIGNAL(locationItemClicked(QList<QString>)));
 774
 775     connect(m_mapEngine, SIGNAL(newMapResolution(qreal)),
 776             m_ui, SIGNAL(newMapResolution(qreal)));
 777
 778     connect(m_mapEngine, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)),
 779             m_ui, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)));
 780 }
 781
 782 void SituareEngine::signalsFromRoutingService()
 783 {
 784     qDebug() << __PRETTY_FUNCTION__;
 785
 786     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 787             this, SLOT(routeParsed(Route&)));
 788
 789     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 790             m_mapEngine, SLOT(setRoute(Route&)));
 791
 792     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 793             m_ui, SIGNAL(routeParsed(Route&)));
 794
 795     connect(m_routingService, SIGNAL(error(int, int)),
 796             this, SLOT(error(int, int)));
 797 }
 798
 799 void SituareEngine::signalsFromSituareService()
 800 {
 801     qDebug() << __PRETTY_FUNCTION__;
 802
 803     connect(m_situareService, SIGNAL(error(int, int)),
 804             this, SLOT(error(int, int)));
 805
 806     connect(m_situareService, SIGNAL(imageReady(User*)),
 807             this, SLOT(imageReady(User*)));
 808
 809     connect(m_situareService, SIGNAL(reverseGeoReady(QString)),
 810             m_ui, SIGNAL(reverseGeoReady(QString)));
 811
 812     connect(m_situareService, SIGNAL(userDataChanged(User*, QList<User*>&)),
 813             this, SLOT(userDataChanged(User*, QList<User*>&)));
 814
 815     connect(m_situareService, SIGNAL(updateWasSuccessful()),
 816             this, SLOT(updateWasSuccessful()));
 817
 818     connect(m_situareService, SIGNAL(updateWasSuccessful()),
 819             m_ui, SIGNAL(clearUpdateLocationDialogData()));
 820 }
 821
 822 void SituareEngine::startAutomaticUpdate()
 823 {
 824     qDebug() << __PRETTY_FUNCTION__;
 825
 826     m_gps->requestUpdate();
 827     m_automaticUpdateRequest = true;
 828 }
 829
 830 void SituareEngine::topmostWindowChanged(bool isMainWindow)
 831 {
 832     qDebug() << __PRETTY_FUNCTION__;
 833
 834     setPowerSaving(!isMainWindow);
 835 }
 836
 837 void SituareEngine::updateWasSuccessful()
 838 {
 839     qDebug() << __PRETTY_FUNCTION__;
 840
 841     if (m_networkAccessManager->isConnected())
 842         m_situareService->fetchLocations();
 843     else
 844         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 845 }
 846
 847 void SituareEngine::userDataChanged(User *user, QList<User *> &friendsList)
 848 {
 849     qDebug() << __PRETTY_FUNCTION__;
 850
 851     m_ui->toggleProgressIndicator(false);
 852
 853     emit userLocationReady(user);
 854     emit friendsLocationsReady(friendsList);
 855 }