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(friendImageReady(User*)),
 115             m_ui, SIGNAL(friendImageReady(User*)));
 116
 117     connect(this, SIGNAL(friendImageReady(User*)),
 118             m_mapEngine, SIGNAL(friendImageReady(User*)));
 119
 120     m_automaticUpdateIntervalTimer = new QTimer(this);
 121     connect(m_automaticUpdateIntervalTimer, SIGNAL(timeout()),
 122             this, SLOT(startAutomaticUpdate()));
 123
 124     // signals connected, now it's time to show the main window
 125     // but init the MapEngine before so starting location is set
 126     m_mapEngine->init();
 127     m_ui->show();
 128
 129     m_facebookAuthenticator->start();
 130
 131     m_gps->setMode(GPSPosition::Default);
 132     initializeGpsAndAutocentering();
 133
 134     m_mce = new MCE(this);
 135     connect(m_mce, SIGNAL(displayOff(bool)), this, SLOT(setPowerSaving(bool)));
 136
 137     m_contactManager = new ContactManager(this);
 138     m_contactManager->requestContactGuids();
 139 }
 140
 141 SituareEngine::~SituareEngine()
 142 {
 143     qDebug() << __PRETTY_FUNCTION__;
 144
 145     delete m_ui;
 146
 147     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 148     settings.setValue(SETTINGS_GPS_ENABLED, m_gps->isRunning());
 149     settings.setValue(SETTINGS_AUTO_CENTERING_ENABLED, m_autoCenteringEnabled);
 150 }
 151
 152 void SituareEngine::changeAutoCenteringSetting(bool enabled)
 153 {
 154     qDebug() << __PRETTY_FUNCTION__ << enabled;
 155
 156     m_autoCenteringEnabled = enabled;
 157     setAutoCentering(enabled);
 158 }
 159
 160 void SituareEngine::disableAutoCentering()
 161 {
 162     qDebug() << __PRETTY_FUNCTION__;
 163
 164     changeAutoCenteringSetting(false);
 165 }
 166
 167 void SituareEngine::draggingModeTriggered()
 168 {
 169     qDebug() << __PRETTY_FUNCTION__;
 170
 171     if (m_mce)
 172         m_mce->vibrationFeedback();
 173 }
 174
 175 void SituareEngine::enableAutomaticLocationUpdate(bool enabled, int updateIntervalMsecs)
 176 {
 177     qDebug() << __PRETTY_FUNCTION__;
 178
 179     //Show automatic update confirmation dialog
 180     if (m_automaticUpdateFirstStart && m_gps->isRunning() && enabled) {
 181         m_ui->showEnableAutomaticUpdateLocationDialog(
 182                 tr("Do you want to enable automatic location update with %1 min update interval?")
 183                 .arg(updateIntervalMsecs/1000/60));
 184         m_automaticUpdateFirstStart = false;
 185     } else {
 186         if (enabled && m_gps->isRunning()) {
 187             m_ui->buildInformationBox(tr("Automatic location update enabled"));
 188             if (updateIntervalMsecs < MIN_UPDATE_INTERVAL_MSECS)
 189                 m_automaticUpdateIntervalTimer->setInterval(MIN_UPDATE_INTERVAL_MSECS);
 190             else
 191                 m_automaticUpdateIntervalTimer->setInterval(updateIntervalMsecs);
 192
 193             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 194                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 195
 196             m_automaticUpdateIntervalTimer->start();
 197
 198         } else {
 199             disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 200                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 201
 202             m_automaticUpdateIntervalTimer->stop();
 203         }
 204     }
 205 }
 206
 207 void SituareEngine::error(const int context, const int error)
 208 {
 209     qDebug() << __PRETTY_FUNCTION__;
 210
 211     switch(error)
 212     {
 213     case SituareError::ERROR_GENERAL:
 214         if(context == ErrorContext::SITUARE) {
 215             m_ui->toggleProgressIndicator(false);
 216             m_ui->buildInformationBox(tr("Unknown server error"), true);
 217         }
 218         break;
 219     case 1: //errors: SituareError::ERROR_MISSING_ARGUMENT and QNetworkReply::ConnectionRefusedError
 220         m_ui->toggleProgressIndicator(false);
 221         if(context == ErrorContext::SITUARE) {
 222             m_ui->buildInformationBox(tr("Missing parameter from request"), true);
 223         } else if(context == ErrorContext::NETWORK) {
 224             m_ui->buildInformationBox(tr("Connection refused by the server"), true);
 225         }
 226         break;
 227     case QNetworkReply::RemoteHostClosedError:
 228         if(context == ErrorContext::NETWORK) {
 229             m_ui->toggleProgressIndicator(false);
 230             m_ui->buildInformationBox(tr("Connection closed by the server"), true);
 231         }
 232         break;
 233     case QNetworkReply::HostNotFoundError:
 234         if(context == ErrorContext::NETWORK) {
 235             m_ui->toggleProgressIndicator(false);
 236             m_ui->buildInformationBox(tr("Remote server not found"), true);
 237         }
 238         break;
 239     case QNetworkReply::TimeoutError:
 240         if(context == ErrorContext::NETWORK) {
 241             m_ui->toggleProgressIndicator(false);
 242             m_ui->buildInformationBox(tr("Connection timed out"), true);
 243         }
 244         break;
 245     case QNetworkReply::UnknownNetworkError:
 246         if(context == ErrorContext::NETWORK) {
 247             m_ui->toggleProgressIndicator(false);
 248             m_ui->buildInformationBox(tr("No network connection"), true);
 249         }
 250         break;
 251     case SituareError::SESSION_EXPIRED:
 252         m_ui->buildInformationBox(tr("Session expired. Please login again"), true);
 253         m_facebookAuthenticator->clearAccountInformation(true); // keep username = true
 254         m_situareService->clearUserData();
 255         m_ui->loggedIn(false);
 256         m_ui->loginFailed();
 257         break;
 258     case SituareError::LOGIN_FAILED:
 259         m_ui->toggleProgressIndicator(false);
 260         m_ui->buildInformationBox(tr("Invalid E-mail address or password"), true);
 261         m_ui->loginFailed();
 262         break;
 263     case SituareError::UPDATE_FAILED:
 264         m_ui->toggleProgressIndicator(false);
 265         m_ui->buildInformationBox(tr("Update failed, please try again"), true);
 266         break;
 267     case SituareError::DATA_RETRIEVAL_FAILED:
 268         m_ui->toggleProgressIndicator(false);
 269         m_ui->buildInformationBox(tr("Data retrieval failed, please try again"), true);
 270         break;
 271     case SituareError::ADDRESS_RETRIEVAL_FAILED:
 272         m_ui->toggleProgressIndicator(false);
 273         m_ui->buildInformationBox(tr("Address retrieval failed"), true);
 274         break;
 275     case SituareError::IMAGE_DOWNLOAD_FAILED:
 276         m_ui->buildInformationBox(tr("Image download failed"), true);
 277         break;
 278     case SituareError::MAP_IMAGE_DOWNLOAD_FAILED:
 279         m_ui->buildInformationBox(tr("Map image download failed"), true);
 280         break;
 281     case SituareError::GPS_INITIALIZATION_FAILED:
 282         setGPS(false);
 283         m_ui->buildInformationBox(tr("GPS initialization failed"), true);
 284         break;
 285     case SituareError::INVALID_JSON:
 286         m_ui->buildInformationBox(tr("Malformatted reply from server"), true);
 287         m_ui->loggedIn(false);
 288         m_facebookAuthenticator->clearAccountInformation(false); // clean all
 289         break;
 290     case SituareError::ERROR_ROUTING_FAILED:
 291         m_ui->toggleProgressIndicator(false);
 292         m_ui->buildInformationBox(tr("Routing failed"), true);
 293         break;
 294     case SituareError::ERROR_LOCATION_SEARCH_FAILED:
 295         m_ui->buildInformationBox(tr("No results found"), true);
 296         break;
 297     default:
 298         m_ui->toggleProgressIndicator(false);
 299         if(context == ErrorContext::NETWORK)
 300             qCritical() << __PRETTY_FUNCTION__ << "QNetworkReply::NetworkError: " << error;
 301         else
 302             qCritical() << __PRETTY_FUNCTION__ << "Unknown error: " << error;
 303         break;
 304     }
 305 }
 306
 307 void SituareEngine::fetchUsernameFromSettings()
 308 {
 309     qDebug() << __PRETTY_FUNCTION__;
 310
 311     m_ui->setUsername(m_facebookAuthenticator->loadUsername());
 312 }
 313
 314 void SituareEngine::imageReady(User *user)
 315 {
 316     qDebug() << __PRETTY_FUNCTION__;
 317
 318     if(user->type())
 319         emit userLocationReady(user);
 320     else
 321         emit friendImageReady(user);
 322 }
 323
 324 void SituareEngine::initializeGpsAndAutocentering()
 325 {
 326     qDebug() << __PRETTY_FUNCTION__;
 327
 328     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 329     QVariant gpsEnabled = settings.value(SETTINGS_GPS_ENABLED);
 330     QVariant autoCenteringEnabled = settings.value(SETTINGS_AUTO_CENTERING_ENABLED);
 331
 332     if (m_gps->isInitialized()) {
 333
 334         if (gpsEnabled.toString().isEmpty()) { // First start. Situare.conf file does not exists
 335
 336             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 337                     this, SLOT(setFirstStartZoomLevel()));
 338
 339             changeAutoCenteringSetting(true);
 340             setGPS(true);
 341
 342             m_ui->buildInformationBox(tr("GPS enabled"));
 343
 344         } else { // Normal start
 345             changeAutoCenteringSetting(autoCenteringEnabled.toBool());
 346             setGPS(gpsEnabled.toBool());
 347
 348             if (gpsEnabled.toBool())
 349                 m_ui->buildInformationBox(tr("GPS enabled"));
 350         }
 351     } else {
 352         setGPS(false);
 353     }
 354 }
 355
 356 void SituareEngine::locationSearch(QString location)
 357 {
 358     qDebug() << __PRETTY_FUNCTION__;
 359
 360     if(!location.isEmpty())
 361         m_geocodingService->requestLocation(location);
 362 }
 363
 364 void SituareEngine::loginActionPressed()
 365 {
 366     qDebug() << __PRETTY_FUNCTION__;
 367
 368     if (m_networkAccessManager->isConnected()) {
 369         if(m_ui->loginState()) {
 370             logout();
 371             m_situareService->clearUserData();
 372         } else {
 373             m_facebookAuthenticator->start();
 374         }
 375     }
 376     else {
 377         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 378     }
 379 }
 380
 381 void SituareEngine::loginOk()
 382 {
 383     qDebug() << __PRETTY_FUNCTION__;
 384
 385     m_ui->loggedIn(true);
 386
 387     m_ui->show();
 388     m_situareService->fetchLocations(); // request user locations
 389
 390     if (m_gps->isRunning())
 391         m_ui->readAutomaticLocationUpdateSettings();
 392 }
 393
 394 void SituareEngine::loginProcessCancelled()
 395 {
 396     qDebug() << __PRETTY_FUNCTION__;
 397
 398     m_ui->toggleProgressIndicator(false);
 399     m_ui->updateItemVisibility();
 400 }
 401
 402 void SituareEngine::logout()
 403 {
 404     qDebug() << __PRETTY_FUNCTION__;
 405
 406     m_ui->loggedIn(false);
 407
 408     // signal to clear locationUpdateDialog's data
 409     connect(this, SIGNAL(clearUpdateLocationDialogData()),
 410             m_ui, SIGNAL(clearUpdateLocationDialogData()));
 411     emit clearUpdateLocationDialogData();
 412
 413     m_facebookAuthenticator->clearAccountInformation(); // clear all
 414     m_automaticUpdateFirstStart = true;
 415 }
 416
 417 void SituareEngine::refreshUserData()
 418 {
 419     qDebug() << __PRETTY_FUNCTION__;
 420
 421     if (m_networkAccessManager->isConnected()) {
 422         m_ui->toggleProgressIndicator(true);
 423         m_situareService->fetchLocations();
 424     }
 425     else {
 426         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 427     }
 428 }
 429
 430 void SituareEngine::requestAddress()
 431 {
 432     qDebug() << __PRETTY_FUNCTION__;
 433
 434     if (m_networkAccessManager->isConnected()) {
 435         if (m_gps->isRunning())
 436             m_situareService->reverseGeo(m_gps->lastPosition());
 437         else
 438             m_situareService->reverseGeo(m_mapEngine->centerGeoCoordinate());
 439     }
 440     else {
 441         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 442     }
 443 }
 444
 445 void SituareEngine::requestUpdateLocation(const QString &status, bool publish)
 446 {
 447     qDebug() << __PRETTY_FUNCTION__;
 448
 449     if (m_networkAccessManager->isConnected()) {
 450         m_ui->toggleProgressIndicator(true);
 451
 452         if (m_gps->isRunning())
 453             m_situareService->updateLocation(m_gps->lastPosition(), status, publish);
 454         else
 455             m_situareService->updateLocation(m_mapEngine->centerGeoCoordinate(), status, publish);
 456     }
 457     else {
 458         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 459     }
 460 }
 461
 462 void SituareEngine::requestAutomaticUpdateIfMoved(GeoCoordinate position)
 463 {
 464     qDebug() << __PRETTY_FUNCTION__;
 465
 466     if ((fabs(m_lastUpdatedGPSPosition.longitude() - position.longitude()) >
 467          USER_MOVEMENT_MINIMUM_LONGITUDE_DIFFERENCE) ||
 468         (fabs(m_lastUpdatedGPSPosition.latitude() - position.latitude()) >
 469          USER_MOVEMENT_MINIMUM_LATITUDE_DIFFERENCE)) {
 470
 471         m_lastUpdatedGPSPosition = position;
 472         m_userMoved = true;
 473     }
 474
 475     if (m_automaticUpdateRequest && m_userMoved) {
 476         requestUpdateLocation(tr("Automatic location update"));
 477         m_automaticUpdateRequest = false;
 478         m_userMoved = false;
 479     }
 480 }
 481
 482 void SituareEngine::requestInterestingPeople()
 483 {
 484     qWarning() << __PRETTY_FUNCTION__;
 485
 486     QRectF currentSceneRect = m_mapEngine->currentViewSceneRect();
 487     SceneCoordinate bottomLeftSceneCoordinate(currentSceneRect.left(), currentSceneRect.bottom());
 488     SceneCoordinate topRightSceneCoordinate(currentSceneRect.right(), currentSceneRect.top());
 489
 490
 491     qWarning() << GeoCoordinate(bottomLeftSceneCoordinate).latitude() <<
 492             GeoCoordinate(bottomLeftSceneCoordinate).longitude();
 493     qWarning() << GeoCoordinate(topRightSceneCoordinate).latitude() <<
 494             GeoCoordinate(topRightSceneCoordinate).longitude();
 495
 496     m_situareService->fetchPeopleWithSimilarInterest(GeoCoordinate(bottomLeftSceneCoordinate),
 497                                                      GeoCoordinate(topRightSceneCoordinate));
 498 }
 499
 500 void SituareEngine::routeParsed(Route &route)
 501 {
 502     qDebug() << __PRETTY_FUNCTION__;
 503
 504     Q_UNUSED(route);
 505
 506     m_ui->toggleProgressIndicator(false);
 507 }
 508
 509 void SituareEngine::routeTo(const GeoCoordinate &endPointCoordinates)
 510 {
 511     qDebug() << __PRETTY_FUNCTION__;
 512
 513     m_ui->toggleProgressIndicator(true);
 514
 515     if (m_gps->isRunning())
 516         m_routingService->requestRoute(m_gps->lastPosition(), endPointCoordinates);
 517     else
 518         m_routingService->requestRoute(m_mapEngine->centerGeoCoordinate(), endPointCoordinates);
 519 }
 520
 521 void SituareEngine::routeToCursor()
 522 {
 523     qDebug() << __PRETTY_FUNCTION__;
 524
 525     routeTo(m_mapEngine->centerGeoCoordinate());
 526 }
 527
 528 void SituareEngine::setAutoCentering(bool enabled)
 529 {
 530     qDebug() << __PRETTY_FUNCTION__ << enabled;
 531
 532     m_ui->setIndicatorButtonEnabled(enabled);
 533     m_mapEngine->setAutoCentering(enabled);
 534     m_ui->setCrosshairVisibility(!enabled);
 535
 536     if (enabled) {
 537         setGPS(true);
 538         m_gps->requestLastPosition();
 539     }
 540 }
 541
 542 void SituareEngine::setFirstStartZoomLevel()
 543 {
 544     qDebug() << __PRETTY_FUNCTION__;
 545
 546     if (m_autoCenteringEnabled) // autocentering is disabled when map is scrolled
 547         m_mapEngine->setZoomLevel(DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE);
 548
 549     disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 550                this, SLOT(setFirstStartZoomLevel()));
 551 }
 552
 553 void SituareEngine::setGPS(bool enabled)
 554 {
 555     qDebug() << __PRETTY_FUNCTION__ << enabled;
 556
 557     if (m_gps->isInitialized()) {
 558         m_ui->setGPSButtonEnabled(enabled);
 559         m_mapEngine->setGPSEnabled(enabled);
 560
 561         if (enabled && !m_gps->isRunning()) {
 562             m_gps->start();
 563             m_gps->requestLastPosition();
 564
 565             if(m_ui->loginState())
 566                 m_ui->readAutomaticLocationUpdateSettings();
 567         }
 568         else if (!enabled && m_gps->isRunning()) {
 569             m_gps->stop();
 570             changeAutoCenteringSetting(false);
 571             enableAutomaticLocationUpdate(false);
 572         }
 573     }
 574     else {
 575         if (enabled)
 576             m_ui->buildInformationBox(tr("Unable to start GPS"));
 577         m_ui->setGPSButtonEnabled(false);
 578         m_mapEngine->setGPSEnabled(false);
 579     }
 580 }
 581
 582 void SituareEngine::setPowerSaving(bool enabled)
 583 {
 584     qDebug() << __PRETTY_FUNCTION__ << enabled;
 585
 586     m_gps->enablePowerSave(enabled);
 587
 588     if(m_autoCenteringEnabled)
 589         m_mapEngine->setAutoCentering(!enabled);
 590 }
 591
 592 void SituareEngine::showContactDialog(const QString &facebookId)
 593 {
 594     qDebug() << __PRETTY_FUNCTION__;
 595
 596     QString guid = m_contactManager->contactGuid(facebookId);
 597
 598     if (!guid.isEmpty())
 599         m_ui->showContactDialog(guid);
 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     // 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     // signals from meet people panel
 742     connect(m_ui, SIGNAL(requestInterestingPeople()),
 743             this, SLOT(requestInterestingPeople()));
 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     connect(m_situareService, SIGNAL(interestingPeopleReceived(QList<User*>&)),
 818             m_ui, SIGNAL(interestingPeopleReceived(QList<User*>&)));
 819
 820     connect(m_situareService, SIGNAL(messagesReceived(QList<Message>&)),
 821             m_ui, SIGNAL(messagesReceived(QList<Message>&)));
 822 }
 823
 824 void SituareEngine::startAutomaticUpdate()
 825 {
 826     qDebug() << __PRETTY_FUNCTION__;
 827
 828     m_gps->requestUpdate();
 829     m_automaticUpdateRequest = true;
 830 }
 831
 832 void SituareEngine::topmostWindowChanged(bool isMainWindow)
 833 {
 834     qDebug() << __PRETTY_FUNCTION__;
 835
 836     setPowerSaving(!isMainWindow);
 837 }
 838
 839 void SituareEngine::updateWasSuccessful()
 840 {
 841     qDebug() << __PRETTY_FUNCTION__;
 842
 843     if (m_networkAccessManager->isConnected())
 844         m_situareService->fetchLocations();
 845     else
 846         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 847 }
 848
 849 void SituareEngine::userDataChanged(User *user, QList<User *> &friendsList)
 850 {
 851     qDebug() << __PRETTY_FUNCTION__;
 852
 853     m_ui->toggleProgressIndicator(false);
 854
 855     emit userLocationReady(user);
 856     emit friendsLocationsReady(friendsList);
 857 }