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(false);
  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(m_networkAccessManager,
  83                                           new ImageFetcher(m_networkAccessManager, this), this);
  84
  85     // build FacebookAuthenticator
  86     m_facebookAuthenticator = new FacebookAuthentication(m_ui, 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(userImageReady(QString,QPixmap)),
 116             m_ui, SIGNAL(userImageReady(QString,QPixmap)));
 117
 118     connect(this, SIGNAL(friendImageReady(QString,QPixmap)),
 119             m_ui, SIGNAL(friendImageReady(QString,QPixmap)));
 120
 121     connect(this, SIGNAL(friendImageReady(QString,QPixmap)),
 122             m_mapEngine, SIGNAL(friendImageReady(QString,QPixmap)));
 123
 124     m_automaticUpdateIntervalTimer = new QTimer(this);
 125     connect(m_automaticUpdateIntervalTimer, SIGNAL(timeout()),
 126             this, SLOT(startAutomaticUpdate()));
 127
 128     // signals connected, now it's time to show the main window
 129     // but init the MapEngine before so starting location is set
 130     m_mapEngine->init();
 131     m_ui->show();
 132
 133     m_gps->setMode(GPSPosition::Default);
 134     initializeGpsAndAutocentering();
 135
 136     m_mce = new MCE(this);
 137     connect(m_mce, SIGNAL(displayOff(bool)), this, SLOT(setPowerSaving(bool)));
 138
 139     m_contactManager = new ContactManager(this);
 140     m_contactManager->requestContactGuids();
 141
 142     m_facebookAuthenticator->login();
 143 }
 144
 145 SituareEngine::~SituareEngine()
 146 {
 147     qDebug() << __PRETTY_FUNCTION__;
 148
 149     delete m_ui;
 150
 151     QSettings settings(SETTINGS_ORGANIZATION_NAME, SETTINGS_APPLICATION_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->logOut();
 258         m_facebookAuthenticator->login();
 259         break;
 260     case SituareError::UPDATE_FAILED:
 261         m_ui->toggleProgressIndicator(false);
 262         m_ui->buildInformationBox(tr("Update failed, please try again"), true);
 263         break;
 264     case SituareError::DATA_RETRIEVAL_FAILED:
 265         m_ui->toggleProgressIndicator(false);
 266         m_ui->buildInformationBox(tr("Data retrieval failed, please try again"), true);
 267         break;
 268     case SituareError::ADDRESS_RETRIEVAL_FAILED:
 269         m_ui->toggleProgressIndicator(false);
 270         m_ui->buildInformationBox(tr("Address retrieval failed"), true);
 271         break;
 272     case SituareError::IMAGE_DOWNLOAD_FAILED:
 273         m_ui->buildInformationBox(tr("Image download failed"), true);
 274         break;
 275     case SituareError::MAP_IMAGE_DOWNLOAD_FAILED:
 276         m_ui->buildInformationBox(tr("Map image download failed"), true);
 277         break;
 278     case SituareError::GPS_INITIALIZATION_FAILED:
 279         setGPS(false);
 280         m_ui->buildInformationBox(tr("GPS initialization failed"), true);
 281         break;
 282     case SituareError::INVALID_JSON:
 283         m_ui->buildInformationBox(tr("Malformatted reply from server"), true);
 284         m_ui->loggedIn(false);
 285         m_facebookAuthenticator->clearAccountInformation(false); // clean all
 286         break;
 287     case SituareError::ERROR_ROUTING_FAILED:
 288         m_ui->toggleProgressIndicator(false);
 289         m_ui->buildInformationBox(tr("Routing failed"), true);
 290         break;
 291     case SituareError::ERROR_LOCATION_SEARCH_FAILED:
 292         m_ui->buildInformationBox(tr("No results found"), true);
 293         break;
 294     default:
 295         m_ui->toggleProgressIndicator(false);
 296         if(context == ErrorContext::NETWORK)
 297             qCritical() << __PRETTY_FUNCTION__ << "QNetworkReply::NetworkError: " << error;
 298         else
 299             qCritical() << __PRETTY_FUNCTION__ << "Unknown error: " << error;
 300         break;
 301     }
 302 }
 303
 304 void SituareEngine::imageReady(const QString &id, const QPixmap &image)
 305 {
 306     qDebug() << __PRETTY_FUNCTION__;
 307
 308     if (id.isNull())
 309         emit userImageReady(id, image);
 310     else
 311         emit friendImageReady(id, image);
 312 }
 313
 314 void SituareEngine::initializeGpsAndAutocentering()
 315 {
 316     qDebug() << __PRETTY_FUNCTION__;
 317
 318     QSettings settings(SETTINGS_ORGANIZATION_NAME, SETTINGS_APPLICATION_NAME);
 319     QVariant gpsEnabled = settings.value(SETTINGS_GPS_ENABLED);
 320     QVariant autoCenteringEnabled = settings.value(SETTINGS_AUTO_CENTERING_ENABLED);
 321
 322     if (m_gps->isInitialized()) {
 323
 324         if (gpsEnabled.toString().isEmpty()) { // First start. Situare.conf file does not exists
 325
 326             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 327                     this, SLOT(setFirstStartZoomLevel()));
 328
 329             changeAutoCenteringSetting(true);
 330             setGPS(true);
 331
 332             m_ui->buildInformationBox(tr("GPS enabled"));
 333
 334         } else { // Normal start
 335             changeAutoCenteringSetting(autoCenteringEnabled.toBool());
 336             setGPS(gpsEnabled.toBool());
 337
 338             if (gpsEnabled.toBool())
 339                 m_ui->buildInformationBox(tr("GPS enabled"));
 340         }
 341     } else {
 342         setGPS(false);
 343     }
 344 }
 345
 346 void SituareEngine::locationSearch(QString location)
 347 {
 348     qDebug() << __PRETTY_FUNCTION__;
 349
 350     if(!location.isEmpty())
 351         m_geocodingService->requestLocation(location);
 352 }
 353
 354 void SituareEngine::loginActionPressed()
 355 {
 356     qDebug() << __PRETTY_FUNCTION__;
 357
 358     if (m_facebookAuthenticator->isLoggedIn())
 359         m_facebookAuthenticator->logOut(true);
 360     else if (m_networkAccessManager->isConnected())
 361         m_facebookAuthenticator->login();
 362     else
 363         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 364 }
 365
 366 void SituareEngine::onLogin()
 367 {
 368     qDebug() << __PRETTY_FUNCTION__;
 369
 370     m_ui->loggedIn(true);
 371
 372     m_situareService->fetchLocations();
 373
 374     if (m_gps->isRunning())
 375         m_ui->readAutomaticLocationUpdateSettings();
 376 }
 377
 378 void SituareEngine::onLogout()
 379 {
 380     qDebug() << __PRETTY_FUNCTION__;
 381
 382     m_ui->loggedIn(false);
 383     m_situareService->updateSession(""); // empty session string means logged out
 384     m_automaticUpdateFirstStart = true;
 385 }
 386
 387 void SituareEngine::refreshUserData()
 388 {
 389     qDebug() << __PRETTY_FUNCTION__;
 390
 391     if (m_networkAccessManager->isConnected()) {
 392         m_situareService->fetchLocations();
 393     }
 394     else {
 395         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 396     }
 397 }
 398
 399 void SituareEngine::requestAddress()
 400 {
 401     qDebug() << __PRETTY_FUNCTION__;
 402
 403     if (m_networkAccessManager->isConnected()) {
 404         if (m_gps->isRunning())
 405             m_situareService->reverseGeo(m_gps->lastPosition());
 406         else
 407             m_situareService->reverseGeo(m_mapEngine->centerGeoCoordinate());
 408     }
 409     else {
 410         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 411     }
 412 }
 413
 414 void SituareEngine::requestUpdateLocation(const QString &status, bool publish)
 415 {
 416     qDebug() << __PRETTY_FUNCTION__;
 417
 418     if (m_networkAccessManager->isConnected()) {
 419
 420         if (m_gps->isRunning())
 421             m_situareService->updateLocation(m_gps->lastPosition(), status, publish);
 422         else
 423             m_situareService->updateLocation(m_mapEngine->centerGeoCoordinate(), status, publish);
 424     }
 425     else {
 426         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 427     }
 428 }
 429
 430 void SituareEngine::requestAutomaticUpdateIfMoved(GeoCoordinate position)
 431 {
 432     qDebug() << __PRETTY_FUNCTION__;
 433
 434     if ((fabs(m_lastUpdatedGPSPosition.longitude() - position.longitude()) >
 435          USER_MOVEMENT_MINIMUM_LONGITUDE_DIFFERENCE) ||
 436         (fabs(m_lastUpdatedGPSPosition.latitude() - position.latitude()) >
 437          USER_MOVEMENT_MINIMUM_LATITUDE_DIFFERENCE)) {
 438
 439         m_lastUpdatedGPSPosition = position;
 440         m_userMoved = true;
 441     }
 442
 443     if (m_automaticUpdateRequest && m_userMoved) {
 444         requestUpdateLocation(tr("Automatic location update"));
 445         m_automaticUpdateRequest = false;
 446         m_userMoved = false;
 447     }
 448 }
 449
 450 void SituareEngine::requestInterestingPeople()
 451 {
 452     qDebug() << __PRETTY_FUNCTION__;
 453
 454     QRectF currentSceneRect = m_mapEngine->currentViewSceneRect();
 455     GeoCoordinate centerGeoCoordinate = m_mapEngine->centerGeoCoordinate();
 456     SceneCoordinate topCenterSceneCoordinate(
 457                 currentSceneRect.left() - currentSceneRect.width() / 2, currentSceneRect.top());
 458
 459     m_situareService->fetchPeopleWithSimilarInterest(
 460                 centerGeoCoordinate.distanceTo(GeoCoordinate(topCenterSceneCoordinate)));
 461 }
 462
 463 void SituareEngine::requestSendMessage(const QString &receiverId, const QString &message,
 464                                 bool addCoordinates)
 465 {
 466     qDebug() << __PRETTY_FUNCTION__;
 467
 468     if (addCoordinates)
 469         m_situareService->sendMessage(receiverId, message, m_mapEngine->centerGeoCoordinate());
 470     else
 471         m_situareService->sendMessage(receiverId, message);
 472 }
 473
 474 void SituareEngine::routeParsed(Route &route)
 475 {
 476     qDebug() << __PRETTY_FUNCTION__;
 477
 478     Q_UNUSED(route);
 479 }
 480
 481 void SituareEngine::routeTo(const GeoCoordinate &endPointCoordinates)
 482 {
 483     qDebug() << __PRETTY_FUNCTION__;
 484
 485     if (m_gps->isRunning())
 486         m_routingService->requestRoute(m_gps->lastPosition(), endPointCoordinates);
 487     else
 488         m_routingService->requestRoute(m_mapEngine->centerGeoCoordinate(), endPointCoordinates);
 489 }
 490
 491 void SituareEngine::routeToCursor()
 492 {
 493     qDebug() << __PRETTY_FUNCTION__;
 494
 495     routeTo(m_mapEngine->centerGeoCoordinate());
 496 }
 497
 498 void SituareEngine::setAutoCentering(bool enabled)
 499 {
 500     qDebug() << __PRETTY_FUNCTION__ << enabled;
 501
 502     m_ui->setIndicatorButtonEnabled(enabled);
 503     m_mapEngine->setAutoCentering(enabled);
 504     m_ui->setCrosshairVisibility(!enabled);
 505
 506     if (enabled) {
 507         setGPS(true);
 508         m_gps->requestLastPosition();
 509     }
 510 }
 511
 512 void SituareEngine::setFirstStartZoomLevel()
 513 {
 514     qDebug() << __PRETTY_FUNCTION__;
 515
 516     if (m_autoCenteringEnabled) // autocentering is disabled when map is scrolled
 517         m_mapEngine->setZoomLevel(DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE);
 518
 519     disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 520                this, SLOT(setFirstStartZoomLevel()));
 521 }
 522
 523 void SituareEngine::setGPS(bool enabled)
 524 {
 525     qDebug() << __PRETTY_FUNCTION__ << enabled;
 526
 527     if (m_gps->isInitialized()) {
 528         m_ui->setGPSButtonEnabled(enabled);
 529         m_mapEngine->setGPSEnabled(enabled);
 530
 531         if (enabled && !m_gps->isRunning()) {
 532             m_gps->start();
 533             m_gps->requestLastPosition();
 534
 535             if(m_facebookAuthenticator->isLoggedIn())
 536                 m_ui->readAutomaticLocationUpdateSettings();
 537         }
 538         else if (!enabled && m_gps->isRunning()) {
 539             m_gps->stop();
 540             changeAutoCenteringSetting(false);
 541             enableAutomaticLocationUpdate(false);
 542         }
 543     }
 544     else {
 545         if (enabled)
 546             m_ui->buildInformationBox(tr("Unable to start GPS"));
 547         m_ui->setGPSButtonEnabled(false);
 548         m_mapEngine->setGPSEnabled(false);
 549     }
 550 }
 551
 552 void SituareEngine::setPowerSaving(bool enabled)
 553 {
 554     qDebug() << __PRETTY_FUNCTION__ << enabled;
 555
 556     m_gps->enablePowerSave(enabled);
 557
 558     if(m_autoCenteringEnabled)
 559         m_mapEngine->setAutoCentering(!enabled);
 560 }
 561
 562 void SituareEngine::setProgressIndicatorDisabled()
 563 {
 564     m_ui->toggleProgressIndicator(false);
 565 }
 566
 567 void SituareEngine::setProgressIndicatorEnabled()
 568 {
 569     m_ui->toggleProgressIndicator(true);
 570 }
 571
 572 void SituareEngine::showContactDialog(const QString &facebookId)
 573 {
 574     qDebug() << __PRETTY_FUNCTION__;
 575
 576     QString guid = m_contactManager->contactGuid(facebookId);
 577
 578     if (!guid.isEmpty())
 579         m_ui->showContactDialog(guid);
 580     else
 581         m_ui->buildInformationBox(tr("Unable to find contact.\nAdd Facebook IM "
 582                                      "account from Conversations to use this feature."), true);
 583 }
 584
 585 void SituareEngine::showMessageDialog(const QPair<QString, QString> &receiver)
 586 {
 587     qDebug() << __PRETTY_FUNCTION__;
 588
 589     m_ui->showMessageDialog(receiver);
 590 }
 591
 592 void SituareEngine::signalsFromFacebookAuthenticator()
 593 {
 594     qDebug() << __PRETTY_FUNCTION__;
 595
 596     connect(m_facebookAuthenticator, SIGNAL(error(int, int)),
 597             this, SLOT(error(int, int)));
 598
 599     connect(m_facebookAuthenticator, SIGNAL(loggedIn(QString, bool)),
 600             m_situareService, SLOT(updateSession(QString)));
 601
 602     connect(m_facebookAuthenticator, SIGNAL(loggedIn(QString, bool)),
 603             this, SLOT(onLogin()));
 604
 605     connect(m_facebookAuthenticator, SIGNAL(loggedOut()), this, SLOT(onLogout()));
 606 }
 607
 608 void SituareEngine::signalsFromGeocodingService()
 609 {
 610     qDebug() << __PRETTY_FUNCTION__;
 611
 612     connect(m_geocodingService, SIGNAL(locationDataParsed(const QList<Location>&)),
 613             m_ui, SIGNAL(locationDataParsed(const QList<Location>&)));
 614
 615     connect(m_geocodingService, SIGNAL(error(int, int)),
 616             this, SLOT(error(int, int)));
 617 }
 618
 619 void SituareEngine::signalsFromGPS()
 620 {
 621     qDebug() << __PRETTY_FUNCTION__;
 622
 623     connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 624             m_mapEngine, SLOT(gpsPositionUpdate(GeoCoordinate, qreal)));
 625
 626     connect(m_gps, SIGNAL(timeout()),
 627             m_ui, SLOT(gpsTimeout()));
 628
 629     connect(m_gps, SIGNAL(error(int, int)),
 630             this, SLOT(error(int, int)));
 631 }
 632
 633 void SituareEngine::signalsFromMainWindow()
 634 {
 635     qDebug() << __PRETTY_FUNCTION__;
 636
 637     connect(m_ui, SIGNAL(error(int, int)),
 638             this, SLOT(error(int, int)));
 639
 640     connect(m_ui, SIGNAL(loginActionPressed()),
 641             this, SLOT(loginActionPressed()));
 642
 643     // signals from map view
 644     connect(m_ui, SIGNAL(mapViewScrolled(SceneCoordinate)),
 645             m_mapEngine, SLOT(setCenterPosition(SceneCoordinate)));
 646
 647     connect(m_ui, SIGNAL(mapViewResized(QSize)),
 648             m_mapEngine, SLOT(viewResized(QSize)));
 649
 650     connect(m_ui, SIGNAL(viewZoomFinished()),
 651             m_mapEngine, SLOT(viewZoomFinished()));
 652
 653     // signals from zoom buttons (zoom panel and volume buttons)
 654     connect(m_ui, SIGNAL(zoomIn()),
 655             m_mapEngine, SLOT(zoomIn()));
 656
 657     connect(m_ui, SIGNAL(zoomOut()),
 658             m_mapEngine, SLOT(zoomOut()));
 659
 660     // signals from menu buttons
 661     connect(m_ui, SIGNAL(gpsTriggered(bool)),
 662             this, SLOT(setGPS(bool)));
 663
 664     connect(m_ui, SIGNAL(requestReverseGeo()),
 665             this, SLOT(requestAddress()));
 666
 667     connect(m_ui, SIGNAL(locationUpdate(QString,bool)),
 668             this, SLOT(setProgressIndicatorEnabled()));
 669
 670     connect(m_ui, SIGNAL(locationUpdate(QString,bool)),
 671             this, SLOT(requestUpdateLocation(QString,bool)));
 672
 673     connect(m_ui, SIGNAL(enableAutomaticLocationUpdate(bool, int)),
 674             this, SLOT(enableAutomaticLocationUpdate(bool, int)));
 675
 676     connect(m_ui, SIGNAL(addTags(QStringList)),
 677             this, SLOT(setProgressIndicatorEnabled()));
 678
 679     connect(m_ui, SIGNAL(addTags(QStringList)),
 680             m_situareService, SLOT(addTags(QStringList)));
 681
 682     connect(m_ui, SIGNAL(removeTags(QStringList)),
 683             this, SLOT(setProgressIndicatorEnabled()));
 684
 685     connect(m_ui, SIGNAL(removeTags(QStringList)),
 686             m_situareService, SLOT(removeTags(QStringList)));
 687
 688     // signals from user info tab
 689     connect(m_ui, SIGNAL(refreshUserData()),
 690             this, SLOT(setProgressIndicatorEnabled()));
 691
 692     connect(m_ui, SIGNAL(refreshUserData()),
 693             this, SLOT(refreshUserData()));
 694
 695     connect(m_ui, SIGNAL(centerToCoordinates(GeoCoordinate)),
 696             m_mapEngine, SLOT(centerToCoordinates(GeoCoordinate)));
 697
 698     connect(m_ui, SIGNAL(requestPopularTags()),
 699             this, SLOT(setProgressIndicatorEnabled()));
 700
 701     connect(m_ui, SIGNAL(requestPopularTags()),
 702             m_situareService, SLOT(fetchPopularTags()));
 703
 704     // routing signal from friend list tab & search location tab
 705     connect(m_ui, SIGNAL(routeTo(GeoCoordinate)),
 706             this, SLOT(setProgressIndicatorEnabled()));
 707
 708     connect(m_ui, SIGNAL(routeTo(const GeoCoordinate&)),
 709             this, SLOT(routeTo(const GeoCoordinate&)));
 710
 711     connect(m_ui, SIGNAL(requestContactDialog(const QString &)),
 712             this, SLOT(showContactDialog(const QString &)));
 713
 714     // signals from location search panel
 715     connect(m_ui,
 716             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
 717             m_mapEngine,
 718             SLOT(showMapArea(const GeoCoordinate&, const GeoCoordinate&)));
 719
 720     connect(m_ui, SIGNAL(searchHistoryItemClicked(QString)),
 721             this, SLOT(locationSearch(QString)));
 722
 723     // signals from routing tab
 724     connect(m_ui, SIGNAL(clearRoute()),
 725             m_mapEngine, SLOT(clearRoute()));
 726
 727     connect(m_ui, SIGNAL(routeToCursor()),
 728             this, SLOT(routeToCursor()));
 729
 730     // signals from distance indicator button
 731     connect(m_ui, SIGNAL(autoCenteringTriggered(bool)),
 732             this, SLOT(changeAutoCenteringSetting(bool)));
 733
 734     connect(m_ui, SIGNAL(draggingModeTriggered()),
 735             this, SLOT(draggingModeTriggered()));
 736
 737     // signal from search search dialogs
 738     connect(m_ui, SIGNAL(searchForLocation(QString)),
 739             this, SLOT(locationSearch(QString)));
 740
 741     connect(m_ui, SIGNAL(requestSearchPeopleByTag(QString)),
 742             this, SLOT(setProgressIndicatorEnabled()));
 743
 744     connect(m_ui, SIGNAL(requestSearchPeopleByTag(QString)),
 745             m_situareService, SLOT(searchPeopleByTag(QString)));
 746
 747     // signals from meet people panel
 748     connect(m_ui, SIGNAL(requestInterestingPeople()),
 749             this, SLOT(setProgressIndicatorEnabled()));
 750
 751     connect(m_ui, SIGNAL(requestInterestingPeople()),
 752             this, SLOT(requestInterestingPeople()));
 753
 754     connect(m_ui, SIGNAL(requestMessageDialog(QPair<QString, QString>)),
 755             this, SLOT(showMessageDialog(QPair<QString, QString>)));
 756
 757     connect(m_ui, SIGNAL(sendMessage(QString,QString,bool)),
 758             this, SLOT(setProgressIndicatorEnabled()));
 759
 760     connect(m_ui, SIGNAL(sendMessage(QString,QString,bool)),
 761             this, SLOT(requestSendMessage(QString,QString,bool)));
 762
 763     // signals from message panel
 764     connect(m_ui, SIGNAL(requestMessages()),
 765             this, SLOT(setProgressIndicatorEnabled()));
 766
 767     connect(m_ui, SIGNAL(requestMessages()),
 768             m_situareService, SLOT(fetchMessages()));
 769
 770     connect(m_ui, SIGNAL(requestRemoveMessage(QString)),
 771             this, SLOT(setProgressIndicatorEnabled()));
 772
 773     connect(m_ui, SIGNAL(requestRemoveMessage(QString)),
 774             m_situareService, SLOT(removeMessage(QString)));
 775 }
 776
 777 void SituareEngine::signalsFromMapEngine()
 778 {
 779     qDebug() << __PRETTY_FUNCTION__;
 780
 781     connect(m_mapEngine, SIGNAL(error(int, int)),
 782             this, SLOT(error(int, int)));
 783
 784     connect(m_mapEngine, SIGNAL(locationChanged(SceneCoordinate)),
 785             m_ui, SIGNAL(centerToSceneCoordinates(SceneCoordinate)));
 786
 787     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
 788             m_ui, SIGNAL(zoomLevelChanged(int)));
 789
 790     connect(m_mapEngine, SIGNAL(mapScrolledManually()),
 791             this, SLOT(disableAutoCentering()));
 792
 793     connect(m_mapEngine, SIGNAL(maxZoomLevelReached()),
 794             m_ui, SIGNAL(maxZoomLevelReached()));
 795
 796     connect(m_mapEngine, SIGNAL(minZoomLevelReached()),
 797             m_ui, SIGNAL(minZoomLevelReached()));
 798
 799     connect(m_mapEngine, SIGNAL(locationItemClicked(QList<QString>)),
 800             m_ui, SIGNAL(locationItemClicked(QList<QString>)));
 801
 802     connect(m_mapEngine, SIGNAL(newMapResolution(qreal)),
 803             m_ui, SIGNAL(newMapResolution(qreal)));
 804
 805     connect(m_mapEngine, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)),
 806             m_ui, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)));
 807 }
 808
 809 void SituareEngine::signalsFromRoutingService()
 810 {
 811     qDebug() << __PRETTY_FUNCTION__;
 812
 813     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 814             this, SLOT(setProgressIndicatorDisabled()));
 815
 816     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 817             m_mapEngine, SLOT(setRoute(Route&)));
 818
 819     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 820             m_ui, SIGNAL(routeParsed(Route&)));
 821
 822     connect(m_routingService, SIGNAL(error(int, int)),
 823             this, SLOT(error(int, int)));
 824 }
 825
 826 void SituareEngine::signalsFromSituareService()
 827 {
 828     qDebug() << __PRETTY_FUNCTION__;
 829
 830     connect(m_situareService, SIGNAL(error(int, int)),
 831             this, SLOT(error(int, int)));
 832
 833     connect(m_situareService, SIGNAL(imageReady(QString,QPixmap)),
 834             this, SLOT(imageReady(QString,QPixmap)));
 835
 836     connect(m_situareService, SIGNAL(reverseGeoReady(QString)),
 837             m_ui, SIGNAL(reverseGeoReady(QString)));
 838
 839     connect(m_situareService, SIGNAL(userDataChanged(User*,QList<User*>&)),
 840             this, SLOT(setProgressIndicatorDisabled()));
 841
 842     connect(m_situareService, SIGNAL(userDataChanged(User*, QList<User*>&)),
 843             this, SLOT(userDataChanged(User*, QList<User*>&)));
 844
 845     connect(m_situareService, SIGNAL(updateWasSuccessful(SituareService::SuccessfulMethod)),
 846             this, SLOT(updateWasSuccessful(SituareService::SuccessfulMethod)));
 847
 848     connect(m_situareService, SIGNAL(interestingPeopleReceived(QList<User>&,QList<User>&)),
 849             m_ui, SIGNAL(interestingPeopleReceived(QList<User>&,QList<User>&)));
 850
 851     connect(m_situareService, SIGNAL(interestingPeopleReceived(QList<User>&,QList<User>&)),
 852             this, SLOT(setProgressIndicatorDisabled()));
 853
 854     connect(m_situareService, SIGNAL(messagesReceived(QList<Message>&, QList<Message> &)),
 855             this, SLOT(setProgressIndicatorDisabled()));
 856
 857
 858     connect(m_situareService, SIGNAL(messagesReceived(QList<Message>&, QList<Message> &)),
 859             m_ui, SIGNAL(messagesReceived(QList<Message>&, QList<Message>&)));
 860
 861     connect(m_situareService, SIGNAL(popularTagsReceived(QHash<QString,QString>&)),
 862             this, SLOT(setProgressIndicatorDisabled()));
 863
 864     connect(m_situareService, SIGNAL(popularTagsReceived(QHash<QString,QString>&)),
 865             m_ui, SIGNAL(popularTagsReceived(QHash<QString,QString>&)));
 866 }
 867
 868 void SituareEngine::startAutomaticUpdate()
 869 {
 870     qDebug() << __PRETTY_FUNCTION__;
 871
 872     m_gps->requestUpdate();
 873     m_automaticUpdateRequest = true;
 874 }
 875
 876 void SituareEngine::topmostWindowChanged(bool isMainWindow)
 877 {
 878     qDebug() << __PRETTY_FUNCTION__;
 879
 880     setPowerSaving(!isMainWindow);
 881 }
 882
 883 void SituareEngine::updateWasSuccessful(SituareService::SuccessfulMethod successfulMethod)
 884 {
 885     qDebug() << __PRETTY_FUNCTION__;
 886
 887     if (m_networkAccessManager->isConnected()) {
 888         if (successfulMethod == SituareService::SuccessfulUpdateLocation) {
 889             m_situareService->fetchLocations();
 890         } else  if ((successfulMethod == SituareService::SuccessfulRemoveMessage) ||
 891                     (successfulMethod == SituareService::SuccessfulSendMessage)) {
 892             m_situareService->fetchMessages();
 893         } else if ((successfulMethod == SituareService::SuccessfulAddTags) ||
 894                    (successfulMethod == SituareService::SuccessfulRemoveTags)) {
 895             m_situareService->fetchLocations();
 896         }
 897     } else {
 898         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 899     }
 900 }
 901
 902 void SituareEngine::userDataChanged(User *user, QList<User *> &friendsList)
 903 {
 904     qDebug() << __PRETTY_FUNCTION__;
 905
 906     emit userLocationReady(user);
 907     emit friendsLocationsReady(friendsList);
 908 }