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     SceneCoordinate bottomLeftSceneCoordinate(currentSceneRect.left(), currentSceneRect.bottom());
 456     SceneCoordinate topRightSceneCoordinate(currentSceneRect.right(), currentSceneRect.top());
 457
 458     m_situareService->fetchPeopleWithSimilarInterest(GeoCoordinate(bottomLeftSceneCoordinate),
 459                                                      GeoCoordinate(topRightSceneCoordinate));
 460 }
 461
 462 void SituareEngine::requestSendMessage(const QString &receiverId, const QString &message,
 463                                 bool addCoordinates)
 464 {
 465     qDebug() << __PRETTY_FUNCTION__;
 466
 467     if (addCoordinates)
 468         m_situareService->sendMessage(receiverId, message, m_mapEngine->centerGeoCoordinate());
 469     else
 470         m_situareService->sendMessage(receiverId, message);
 471 }
 472
 473 void SituareEngine::routeParsed(Route &route)
 474 {
 475     qDebug() << __PRETTY_FUNCTION__;
 476
 477     Q_UNUSED(route);
 478 }
 479
 480 void SituareEngine::routeTo(const GeoCoordinate &endPointCoordinates)
 481 {
 482     qDebug() << __PRETTY_FUNCTION__;
 483
 484     if (m_gps->isRunning())
 485         m_routingService->requestRoute(m_gps->lastPosition(), endPointCoordinates);
 486     else
 487         m_routingService->requestRoute(m_mapEngine->centerGeoCoordinate(), endPointCoordinates);
 488 }
 489
 490 void SituareEngine::routeToCursor()
 491 {
 492     qDebug() << __PRETTY_FUNCTION__;
 493
 494     routeTo(m_mapEngine->centerGeoCoordinate());
 495 }
 496
 497 void SituareEngine::setAutoCentering(bool enabled)
 498 {
 499     qDebug() << __PRETTY_FUNCTION__ << enabled;
 500
 501     m_ui->setIndicatorButtonEnabled(enabled);
 502     m_mapEngine->setAutoCentering(enabled);
 503     m_ui->setCrosshairVisibility(!enabled);
 504
 505     if (enabled) {
 506         setGPS(true);
 507         m_gps->requestLastPosition();
 508     }
 509 }
 510
 511 void SituareEngine::setFirstStartZoomLevel()
 512 {
 513     qDebug() << __PRETTY_FUNCTION__;
 514
 515     if (m_autoCenteringEnabled) // autocentering is disabled when map is scrolled
 516         m_mapEngine->setZoomLevel(DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE);
 517
 518     disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 519                this, SLOT(setFirstStartZoomLevel()));
 520 }
 521
 522 void SituareEngine::setGPS(bool enabled)
 523 {
 524     qDebug() << __PRETTY_FUNCTION__ << enabled;
 525
 526     if (m_gps->isInitialized()) {
 527         m_ui->setGPSButtonEnabled(enabled);
 528         m_mapEngine->setGPSEnabled(enabled);
 529
 530         if (enabled && !m_gps->isRunning()) {
 531             m_gps->start();
 532             m_gps->requestLastPosition();
 533
 534             if(m_facebookAuthenticator->isLoggedIn())
 535                 m_ui->readAutomaticLocationUpdateSettings();
 536         }
 537         else if (!enabled && m_gps->isRunning()) {
 538             m_gps->stop();
 539             changeAutoCenteringSetting(false);
 540             enableAutomaticLocationUpdate(false);
 541         }
 542     }
 543     else {
 544         if (enabled)
 545             m_ui->buildInformationBox(tr("Unable to start GPS"));
 546         m_ui->setGPSButtonEnabled(false);
 547         m_mapEngine->setGPSEnabled(false);
 548     }
 549 }
 550
 551 void SituareEngine::setPowerSaving(bool enabled)
 552 {
 553     qDebug() << __PRETTY_FUNCTION__ << enabled;
 554
 555     m_gps->enablePowerSave(enabled);
 556
 557     if(m_autoCenteringEnabled)
 558         m_mapEngine->setAutoCentering(!enabled);
 559 }
 560
 561 void SituareEngine::setProgressIndicatorDisabled()
 562 {
 563     m_ui->toggleProgressIndicator(false);
 564 }
 565
 566 void SituareEngine::setProgressIndicatorEnabled()
 567 {
 568     m_ui->toggleProgressIndicator(true);
 569 }
 570
 571 void SituareEngine::showContactDialog(const QString &facebookId)
 572 {
 573     qDebug() << __PRETTY_FUNCTION__;
 574
 575     QString guid = m_contactManager->contactGuid(facebookId);
 576
 577     if (!guid.isEmpty())
 578         m_ui->showContactDialog(guid);
 579     else
 580         m_ui->buildInformationBox(tr("Unable to find contact.\nAdd Facebook IM "
 581                                      "account from Conversations to use this feature."), true);
 582 }
 583
 584 void SituareEngine::showMessageDialog(const QPair<QString, QString> &receiver)
 585 {
 586     qDebug() << __PRETTY_FUNCTION__;
 587
 588     m_ui->showMessageDialog(receiver);
 589 }
 590
 591 void SituareEngine::signalsFromFacebookAuthenticator()
 592 {
 593     qDebug() << __PRETTY_FUNCTION__;
 594
 595     connect(m_facebookAuthenticator, SIGNAL(error(int, int)),
 596             this, SLOT(error(int, int)));
 597
 598     connect(m_facebookAuthenticator, SIGNAL(loggedIn(QString, bool)),
 599             m_situareService, SLOT(updateSession(QString)));
 600
 601     connect(m_facebookAuthenticator, SIGNAL(loggedIn(QString, bool)),
 602             this, SLOT(onLogin()));
 603
 604     connect(m_facebookAuthenticator, SIGNAL(loggedOut()), this, SLOT(onLogout()));
 605 }
 606
 607 void SituareEngine::signalsFromGeocodingService()
 608 {
 609     qDebug() << __PRETTY_FUNCTION__;
 610
 611     connect(m_geocodingService, SIGNAL(locationDataParsed(const QList<Location>&)),
 612             m_ui, SIGNAL(locationDataParsed(const QList<Location>&)));
 613
 614     connect(m_geocodingService, SIGNAL(error(int, int)),
 615             this, SLOT(error(int, int)));
 616 }
 617
 618 void SituareEngine::signalsFromGPS()
 619 {
 620     qDebug() << __PRETTY_FUNCTION__;
 621
 622     connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 623             m_mapEngine, SLOT(gpsPositionUpdate(GeoCoordinate, qreal)));
 624
 625     connect(m_gps, SIGNAL(timeout()),
 626             m_ui, SLOT(gpsTimeout()));
 627
 628     connect(m_gps, SIGNAL(error(int, int)),
 629             this, SLOT(error(int, int)));
 630 }
 631
 632 void SituareEngine::signalsFromMainWindow()
 633 {
 634     qDebug() << __PRETTY_FUNCTION__;
 635
 636     connect(m_ui, SIGNAL(error(int, int)),
 637             this, SLOT(error(int, int)));
 638
 639     connect(m_ui, SIGNAL(loginActionPressed()),
 640             this, SLOT(loginActionPressed()));
 641
 642     // signals from map view
 643     connect(m_ui, SIGNAL(mapViewScrolled(SceneCoordinate)),
 644             m_mapEngine, SLOT(setCenterPosition(SceneCoordinate)));
 645
 646     connect(m_ui, SIGNAL(mapViewResized(QSize)),
 647             m_mapEngine, SLOT(viewResized(QSize)));
 648
 649     connect(m_ui, SIGNAL(viewZoomFinished()),
 650             m_mapEngine, SLOT(viewZoomFinished()));
 651
 652     // signals from zoom buttons (zoom panel and volume buttons)
 653     connect(m_ui, SIGNAL(zoomIn()),
 654             m_mapEngine, SLOT(zoomIn()));
 655
 656     connect(m_ui, SIGNAL(zoomOut()),
 657             m_mapEngine, SLOT(zoomOut()));
 658
 659     // signals from menu buttons
 660     connect(m_ui, SIGNAL(gpsTriggered(bool)),
 661             this, SLOT(setGPS(bool)));
 662
 663     connect(m_ui, SIGNAL(requestReverseGeo()),
 664             this, SLOT(requestAddress()));
 665
 666     connect(m_ui, SIGNAL(locationUpdate(QString,bool)),
 667             this, SLOT(setProgressIndicatorEnabled()));
 668
 669     connect(m_ui, SIGNAL(locationUpdate(QString,bool)),
 670             this, SLOT(requestUpdateLocation(QString,bool)));
 671
 672     connect(m_ui, SIGNAL(enableAutomaticLocationUpdate(bool, int)),
 673             this, SLOT(enableAutomaticLocationUpdate(bool, int)));
 674
 675     connect(m_ui, SIGNAL(addTags(QStringList)),
 676             this, SLOT(setProgressIndicatorEnabled()));
 677
 678     connect(m_ui, SIGNAL(addTags(QStringList)),
 679             m_situareService, SLOT(addTags(QStringList)));
 680
 681     connect(m_ui, SIGNAL(removeTags(QStringList)),
 682             this, SLOT(setProgressIndicatorEnabled()));
 683
 684     connect(m_ui, SIGNAL(removeTags(QStringList)),
 685             m_situareService, SLOT(removeTags(QStringList)));
 686
 687     // signals from user info tab
 688     connect(m_ui, SIGNAL(refreshUserData()),
 689             this, SLOT(setProgressIndicatorEnabled()));
 690
 691     connect(m_ui, SIGNAL(refreshUserData()),
 692             this, SLOT(refreshUserData()));
 693
 694     connect(m_ui, SIGNAL(centerToCoordinates(GeoCoordinate)),
 695             m_mapEngine, SLOT(centerToCoordinates(GeoCoordinate)));
 696
 697     connect(m_ui, SIGNAL(requestPopularTags()),
 698             this, SLOT(setProgressIndicatorEnabled()));
 699
 700     connect(m_ui, SIGNAL(requestPopularTags()),
 701             m_situareService, SLOT(fetchPopularTags()));
 702
 703     // routing signal from friend list tab & search location tab
 704     connect(m_ui, SIGNAL(routeTo(GeoCoordinate)),
 705             this, SLOT(setProgressIndicatorEnabled()));
 706
 707     connect(m_ui, SIGNAL(routeTo(const GeoCoordinate&)),
 708             this, SLOT(routeTo(const GeoCoordinate&)));
 709
 710     connect(m_ui, SIGNAL(requestContactDialog(const QString &)),
 711             this, SLOT(showContactDialog(const QString &)));
 712
 713     // signals from location search panel
 714     connect(m_ui,
 715             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
 716             m_mapEngine,
 717             SLOT(showMapArea(const GeoCoordinate&, const GeoCoordinate&)));
 718
 719     connect(m_ui, SIGNAL(searchHistoryItemClicked(QString)),
 720             this, SLOT(locationSearch(QString)));
 721
 722     // signals from routing tab
 723     connect(m_ui, SIGNAL(clearRoute()),
 724             m_mapEngine, SLOT(clearRoute()));
 725
 726     connect(m_ui, SIGNAL(routeToCursor()),
 727             this, SLOT(routeToCursor()));
 728
 729     // signals from distance indicator button
 730     connect(m_ui, SIGNAL(autoCenteringTriggered(bool)),
 731             this, SLOT(changeAutoCenteringSetting(bool)));
 732
 733     connect(m_ui, SIGNAL(draggingModeTriggered()),
 734             this, SLOT(draggingModeTriggered()));
 735
 736     // signal from search search dialogs
 737     connect(m_ui, SIGNAL(searchForLocation(QString)),
 738             this, SLOT(locationSearch(QString)));
 739
 740     connect(m_ui, SIGNAL(requestSearchPeopleByTag(QString)),
 741             this, SLOT(setProgressIndicatorEnabled()));
 742
 743     connect(m_ui, SIGNAL(requestSearchPeopleByTag(QString)),
 744             m_situareService, SLOT(searchPeopleByTag(QString)));
 745
 746     // signals from meet people panel
 747     connect(m_ui, SIGNAL(requestInterestingPeople()),
 748             this, SLOT(setProgressIndicatorEnabled()));
 749
 750     connect(m_ui, SIGNAL(requestInterestingPeople()),
 751             this, SLOT(requestInterestingPeople()));
 752
 753     connect(m_ui, SIGNAL(requestMessageDialog(QPair<QString, QString>)),
 754             this, SLOT(showMessageDialog(QPair<QString, QString>)));
 755
 756     connect(m_ui, SIGNAL(sendMessage(QString,QString,bool)),
 757             this, SLOT(setProgressIndicatorEnabled()));
 758
 759     connect(m_ui, SIGNAL(sendMessage(QString,QString,bool)),
 760             this, SLOT(requestSendMessage(QString,QString,bool)));
 761
 762     // signals from message panel
 763     connect(m_ui, SIGNAL(requestMessages()),
 764             this, SLOT(setProgressIndicatorEnabled()));
 765
 766     connect(m_ui, SIGNAL(requestMessages()),
 767             m_situareService, SLOT(fetchMessages()));
 768
 769     connect(m_ui, SIGNAL(requestRemoveMessage(QString)),
 770             this, SLOT(setProgressIndicatorEnabled()));
 771
 772     connect(m_ui, SIGNAL(requestRemoveMessage(QString)),
 773             m_situareService, SLOT(removeMessage(QString)));
 774 }
 775
 776 void SituareEngine::signalsFromMapEngine()
 777 {
 778     qDebug() << __PRETTY_FUNCTION__;
 779
 780     connect(m_mapEngine, SIGNAL(error(int, int)),
 781             this, SLOT(error(int, int)));
 782
 783     connect(m_mapEngine, SIGNAL(locationChanged(SceneCoordinate)),
 784             m_ui, SIGNAL(centerToSceneCoordinates(SceneCoordinate)));
 785
 786     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
 787             m_ui, SIGNAL(zoomLevelChanged(int)));
 788
 789     connect(m_mapEngine, SIGNAL(mapScrolledManually()),
 790             this, SLOT(disableAutoCentering()));
 791
 792     connect(m_mapEngine, SIGNAL(maxZoomLevelReached()),
 793             m_ui, SIGNAL(maxZoomLevelReached()));
 794
 795     connect(m_mapEngine, SIGNAL(minZoomLevelReached()),
 796             m_ui, SIGNAL(minZoomLevelReached()));
 797
 798     connect(m_mapEngine, SIGNAL(locationItemClicked(QList<QString>)),
 799             m_ui, SIGNAL(locationItemClicked(QList<QString>)));
 800
 801     connect(m_mapEngine, SIGNAL(newMapResolution(qreal)),
 802             m_ui, SIGNAL(newMapResolution(qreal)));
 803
 804     connect(m_mapEngine, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)),
 805             m_ui, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)));
 806 }
 807
 808 void SituareEngine::signalsFromRoutingService()
 809 {
 810     qDebug() << __PRETTY_FUNCTION__;
 811
 812     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 813             this, SLOT(setProgressIndicatorDisabled()));
 814
 815     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 816             m_mapEngine, SLOT(setRoute(Route&)));
 817
 818     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 819             m_ui, SIGNAL(routeParsed(Route&)));
 820
 821     connect(m_routingService, SIGNAL(error(int, int)),
 822             this, SLOT(error(int, int)));
 823 }
 824
 825 void SituareEngine::signalsFromSituareService()
 826 {
 827     qDebug() << __PRETTY_FUNCTION__;
 828
 829     connect(m_situareService, SIGNAL(error(int, int)),
 830             this, SLOT(error(int, int)));
 831
 832     connect(m_situareService, SIGNAL(imageReady(QString,QPixmap)),
 833             this, SLOT(imageReady(QString,QPixmap)));
 834
 835     connect(m_situareService, SIGNAL(reverseGeoReady(QString)),
 836             m_ui, SIGNAL(reverseGeoReady(QString)));
 837
 838     connect(m_situareService, SIGNAL(userDataChanged(User*,QList<User*>&)),
 839             this, SLOT(setProgressIndicatorDisabled()));
 840
 841     connect(m_situareService, SIGNAL(userDataChanged(User*, QList<User*>&)),
 842             this, SLOT(userDataChanged(User*, QList<User*>&)));
 843
 844     connect(m_situareService, SIGNAL(updateWasSuccessful(SituareService::SuccessfulMethod)),
 845             this, SLOT(updateWasSuccessful(SituareService::SuccessfulMethod)));
 846
 847     connect(m_situareService, SIGNAL(interestingPeopleReceived(QList<User>&,QList<User>&)),
 848             m_ui, SIGNAL(interestingPeopleReceived(QList<User>&,QList<User>&)));
 849
 850     connect(m_situareService, SIGNAL(interestingPeopleReceived(QList<User>&,QList<User>&)),
 851             this, SLOT(setProgressIndicatorDisabled()));
 852
 853     connect(m_situareService, SIGNAL(messagesReceived(QList<Message>&, QList<Message> &)),
 854             this, SLOT(setProgressIndicatorDisabled()));
 855
 856
 857     connect(m_situareService, SIGNAL(messagesReceived(QList<Message>&, QList<Message> &)),
 858             m_ui, SIGNAL(messagesReceived(QList<Message>&, QList<Message>&)));
 859
 860     connect(m_situareService, SIGNAL(popularTagsReceived(QHash<QString,QString>&)),
 861             this, SLOT(setProgressIndicatorDisabled()));
 862
 863     connect(m_situareService, SIGNAL(popularTagsReceived(QHash<QString,QString>&)),
 864             m_ui, SIGNAL(popularTagsReceived(QHash<QString,QString>&)));
 865 }
 866
 867 void SituareEngine::startAutomaticUpdate()
 868 {
 869     qDebug() << __PRETTY_FUNCTION__;
 870
 871     m_gps->requestUpdate();
 872     m_automaticUpdateRequest = true;
 873 }
 874
 875 void SituareEngine::topmostWindowChanged(bool isMainWindow)
 876 {
 877     qDebug() << __PRETTY_FUNCTION__;
 878
 879     setPowerSaving(!isMainWindow);
 880 }
 881
 882 void SituareEngine::updateWasSuccessful(SituareService::SuccessfulMethod successfulMethod)
 883 {
 884     qDebug() << __PRETTY_FUNCTION__;
 885
 886     if (m_networkAccessManager->isConnected()) {
 887         if (successfulMethod == SituareService::SuccessfulUpdateLocation) {
 888             m_situareService->fetchLocations();
 889         } else  if ((successfulMethod == SituareService::SuccessfulRemoveMessage) ||
 890                     (successfulMethod == SituareService::SuccessfulSendMessage)) {
 891             m_situareService->fetchMessages();
 892         } else if ((successfulMethod == SituareService::SuccessfulAddTags) ||
 893                    (successfulMethod == SituareService::SuccessfulRemoveTags)) {
 894             m_situareService->fetchLocations();
 895         }
 896     } else {
 897         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 898     }
 899 }
 900
 901 void SituareEngine::userDataChanged(User *user, QList<User *> &friendsList)
 902 {
 903     qDebug() << __PRETTY_FUNCTION__;
 904
 905     emit userLocationReady(user);
 906     emit friendsLocationsReady(friendsList);
 907 }