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 "ui/facebookloginbrowser.h"
  35 #include "facebookservice/facebookauthentication.h"
  36 #include "gps/gpsposition.h"
  37 #include "map/mapengine.h"
  38 #include "routing/geocodingservice.h"
  39 #include "routing/routingservice.h"
  40 #include "mce.h"
  41 #include "network/networkaccessmanager.h"
  42 #include "situareservice/situareservice.h"
  43 #include "ui/mainwindow.h"
  44
  45 #include "engine.h"
  46
  47 const QString SETTINGS_GPS_ENABLED = "GPS_ENABLED"; ///< GPS setting
  48 const QString SETTINGS_AUTO_CENTERING_ENABLED = "AUTO_CENTERING_ENABLED";///< Auto centering setting
  49 const int DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE = 12;  ///< Default zoom level when GPS available
  50 const qreal USER_MOVEMENT_MINIMUM_LONGITUDE_DIFFERENCE = 0.003;///< Min value for user move latitude
  51 const qreal USER_MOVEMENT_MINIMUM_LATITUDE_DIFFERENCE = 0.001;///< Min value for user move longitude
  52 const int MIN_UPDATE_INTERVAL_MSECS = 5*60*1000;
  53
  54 SituareEngine::SituareEngine()
  55     : m_autoCenteringEnabled(false),
  56       m_automaticUpdateFirstStart(true),
  57       m_automaticUpdateRequest(false),
  58       m_userMoved(false),
  59       m_automaticUpdateIntervalTimer(0),
  60       m_lastUpdatedGPSPosition(GeoCoordinate())
  61 {
  62     qDebug() << __PRETTY_FUNCTION__;
  63
  64     m_ui = new MainWindow;
  65     m_ui->updateItemVisibility();
  66
  67     Application *application = static_cast<Application *>(qApp);
  68     application->registerWindow(m_ui->winId());
  69
  70     connect(application, SIGNAL(topmostWindowChanged(bool)),
  71             this, SLOT(topmostWindowChanged(bool)));
  72
  73     m_networkAccessManager = new NetworkAccessManager(this);
  74
  75     // build MapEngine
  76     m_mapEngine = new MapEngine(this);
  77     m_ui->setMapViewScene(m_mapEngine->scene());
  78
  79     // build GPS
  80     m_gps = new GPSPosition(this);
  81
  82     // build SituareService
  83     m_situareService = new SituareService(this);
  84
  85     // build FacebookAuthenticator
  86     m_facebookAuthenticator = new FacebookAuthentication(this);
  87
  88     // build routing service
  89     m_routingService = new RoutingService(this); // create this when needed, not in constructor!
  90
  91     // build geocoding service
  92     m_geocodingService = new GeocodingService(this);
  93
  94     // connect signals
  95     signalsFromMapEngine();
  96     signalsFromGeocodingService();
  97     signalsFromGPS();
  98     signalsFromRoutingService();
  99     signalsFromSituareService();
 100     signalsFromMainWindow();
 101     signalsFromFacebookAuthenticator();
 102
 103     connect(this, SIGNAL(userLocationReady(User*)),
 104             m_ui, SIGNAL(userLocationReady(User*)));
 105
 106     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
 107             m_ui, SIGNAL(friendsLocationsReady(QList<User*>&)));
 108
 109     connect(this, SIGNAL(userLocationReady(User*)),
 110             m_mapEngine, SLOT(receiveOwnLocation(User*)));
 111
 112     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
 113             m_mapEngine, SIGNAL(friendsLocationsReady(QList<User*>&)));
 114
 115     connect(this, SIGNAL(friendImageReady(User*)),
 116             m_ui, SIGNAL(friendImageReady(User*)));
 117
 118     connect(this, SIGNAL(friendImageReady(User*)),
 119             m_mapEngine, SIGNAL(friendImageReady(User*)));
 120
 121     m_automaticUpdateIntervalTimer = new QTimer(this);
 122     connect(m_automaticUpdateIntervalTimer, SIGNAL(timeout()),
 123             this, SLOT(startAutomaticUpdate()));
 124
 125     // signals connected, now it's time to show the main window
 126     // but init the MapEngine before so starting location is set
 127     m_mapEngine->init();
 128     m_ui->show();
 129
 130 //    m_facebookAuthenticator->start();
 131
 132     m_gps->setMode(GPSPosition::Default);
 133     initializeGpsAndAutocentering();
 134
 135     m_mce = new MCE(this);
 136     connect(m_mce, SIGNAL(displayOff(bool)), this, SLOT(setPowerSaving(bool)));
 137
 138     m_contactManager = new ContactManager(this);
 139     m_contactManager->requestContactGuids();
 140
 141     ///< @todo just for testing the login browser
 142     login();
 143 }
 144
 145 SituareEngine::~SituareEngine()
 146 {
 147     qDebug() << __PRETTY_FUNCTION__;
 148
 149     delete m_ui;
 150
 151     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 152     settings.setValue(SETTINGS_GPS_ENABLED, m_gps->isRunning());
 153     settings.setValue(SETTINGS_AUTO_CENTERING_ENABLED, m_autoCenteringEnabled);
 154 }
 155
 156 void SituareEngine::changeAutoCenteringSetting(bool enabled)
 157 {
 158     qDebug() << __PRETTY_FUNCTION__ << enabled;
 159
 160     m_autoCenteringEnabled = enabled;
 161     setAutoCentering(enabled);
 162 }
 163
 164 void SituareEngine::disableAutoCentering()
 165 {
 166     qDebug() << __PRETTY_FUNCTION__;
 167
 168     changeAutoCenteringSetting(false);
 169 }
 170
 171 void SituareEngine::draggingModeTriggered()
 172 {
 173     qDebug() << __PRETTY_FUNCTION__;
 174
 175     if (m_mce)
 176         m_mce->vibrationFeedback();
 177 }
 178
 179 void SituareEngine::enableAutomaticLocationUpdate(bool enabled, int updateIntervalMsecs)
 180 {
 181     qDebug() << __PRETTY_FUNCTION__;
 182
 183     //Show automatic update confirmation dialog
 184     if (m_automaticUpdateFirstStart && m_gps->isRunning() && enabled) {
 185         m_ui->showEnableAutomaticUpdateLocationDialog(
 186                 tr("Do you want to enable automatic location update with %1 min update interval?")
 187                 .arg(updateIntervalMsecs/1000/60));
 188         m_automaticUpdateFirstStart = false;
 189     } else {
 190         if (enabled && m_gps->isRunning()) {
 191             m_ui->buildInformationBox(tr("Automatic location update enabled"));
 192             if (updateIntervalMsecs < MIN_UPDATE_INTERVAL_MSECS)
 193                 m_automaticUpdateIntervalTimer->setInterval(MIN_UPDATE_INTERVAL_MSECS);
 194             else
 195                 m_automaticUpdateIntervalTimer->setInterval(updateIntervalMsecs);
 196
 197             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 198                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 199
 200             m_automaticUpdateIntervalTimer->start();
 201
 202         } else {
 203             disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 204                     this, SLOT(requestAutomaticUpdateIfMoved(GeoCoordinate)));
 205
 206             m_automaticUpdateIntervalTimer->stop();
 207         }
 208     }
 209 }
 210
 211 void SituareEngine::error(const int context, const int error)
 212 {
 213     qDebug() << __PRETTY_FUNCTION__;
 214
 215     switch(error)
 216     {
 217     case SituareError::ERROR_GENERAL:
 218         if(context == ErrorContext::SITUARE) {
 219             m_ui->toggleProgressIndicator(false);
 220             m_ui->buildInformationBox(tr("Unknown server error"), true);
 221         }
 222         break;
 223     case 1: //errors: SituareError::ERROR_MISSING_ARGUMENT and QNetworkReply::ConnectionRefusedError
 224         m_ui->toggleProgressIndicator(false);
 225         if(context == ErrorContext::SITUARE) {
 226             m_ui->buildInformationBox(tr("Missing parameter from request"), true);
 227         } else if(context == ErrorContext::NETWORK) {
 228             m_ui->buildInformationBox(tr("Connection refused by the server"), true);
 229         }
 230         break;
 231     case QNetworkReply::RemoteHostClosedError:
 232         if(context == ErrorContext::NETWORK) {
 233             m_ui->toggleProgressIndicator(false);
 234             m_ui->buildInformationBox(tr("Connection closed by the server"), true);
 235         }
 236         break;
 237     case QNetworkReply::HostNotFoundError:
 238         if(context == ErrorContext::NETWORK) {
 239             m_ui->toggleProgressIndicator(false);
 240             m_ui->buildInformationBox(tr("Remote server not found"), true);
 241         }
 242         break;
 243     case QNetworkReply::TimeoutError:
 244         if(context == ErrorContext::NETWORK) {
 245             m_ui->toggleProgressIndicator(false);
 246             m_ui->buildInformationBox(tr("Connection timed out"), true);
 247         }
 248         break;
 249     case QNetworkReply::UnknownNetworkError:
 250         if(context == ErrorContext::NETWORK) {
 251             m_ui->toggleProgressIndicator(false);
 252             m_ui->buildInformationBox(tr("No network connection"), true);
 253         }
 254         break;
 255     case SituareError::SESSION_EXPIRED:
 256         m_ui->buildInformationBox(tr("Session expired. Please login again"), true);
 257         m_facebookAuthenticator->clearAccountInformation(true); // keep username = true
 258         m_situareService->clearUserData();
 259         m_ui->loggedIn(false);
 260         m_ui->loginFailed();
 261         break;
 262     case SituareError::LOGIN_FAILED:
 263         m_ui->toggleProgressIndicator(false);
 264         m_ui->buildInformationBox(tr("Invalid E-mail address or password"), true);
 265         m_ui->loginFailed();
 266         break;
 267     case SituareError::UPDATE_FAILED:
 268         m_ui->toggleProgressIndicator(false);
 269         m_ui->buildInformationBox(tr("Update failed, please try again"), true);
 270         break;
 271     case SituareError::DATA_RETRIEVAL_FAILED:
 272         m_ui->toggleProgressIndicator(false);
 273         m_ui->buildInformationBox(tr("Data retrieval failed, please try again"), true);
 274         break;
 275     case SituareError::ADDRESS_RETRIEVAL_FAILED:
 276         m_ui->toggleProgressIndicator(false);
 277         m_ui->buildInformationBox(tr("Address retrieval failed"), true);
 278         break;
 279     case SituareError::IMAGE_DOWNLOAD_FAILED:
 280         m_ui->buildInformationBox(tr("Image download failed"), true);
 281         break;
 282     case SituareError::MAP_IMAGE_DOWNLOAD_FAILED:
 283         m_ui->buildInformationBox(tr("Map image download failed"), true);
 284         break;
 285     case SituareError::GPS_INITIALIZATION_FAILED:
 286         setGPS(false);
 287         m_ui->buildInformationBox(tr("GPS initialization failed"), true);
 288         break;
 289     case SituareError::INVALID_JSON:
 290         m_ui->buildInformationBox(tr("Malformatted reply from server"), true);
 291         m_ui->loggedIn(false);
 292         m_facebookAuthenticator->clearAccountInformation(false); // clean all
 293         break;
 294     case SituareError::ERROR_ROUTING_FAILED:
 295         m_ui->toggleProgressIndicator(false);
 296         m_ui->buildInformationBox(tr("Routing failed"), true);
 297         break;
 298     case SituareError::ERROR_LOCATION_SEARCH_FAILED:
 299         m_ui->buildInformationBox(tr("No results found"), true);
 300         break;
 301     default:
 302         m_ui->toggleProgressIndicator(false);
 303         if(context == ErrorContext::NETWORK)
 304             qCritical() << __PRETTY_FUNCTION__ << "QNetworkReply::NetworkError: " << error;
 305         else
 306             qCritical() << __PRETTY_FUNCTION__ << "Unknown error: " << error;
 307         break;
 308     }
 309 }
 310
 311 void SituareEngine::imageReady(User *user)
 312 {
 313     qDebug() << __PRETTY_FUNCTION__;
 314
 315     if(user->type())
 316         emit userLocationReady(user);
 317     else
 318         emit friendImageReady(user);
 319 }
 320
 321 void SituareEngine::initializeGpsAndAutocentering()
 322 {
 323     qDebug() << __PRETTY_FUNCTION__;
 324
 325     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 326     QVariant gpsEnabled = settings.value(SETTINGS_GPS_ENABLED);
 327     QVariant autoCenteringEnabled = settings.value(SETTINGS_AUTO_CENTERING_ENABLED);
 328
 329     if (m_gps->isInitialized()) {
 330
 331         if (gpsEnabled.toString().isEmpty()) { // First start. Situare.conf file does not exists
 332
 333             connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 334                     this, SLOT(setFirstStartZoomLevel()));
 335
 336             changeAutoCenteringSetting(true);
 337             setGPS(true);
 338
 339             m_ui->buildInformationBox(tr("GPS enabled"));
 340
 341         } else { // Normal start
 342             changeAutoCenteringSetting(autoCenteringEnabled.toBool());
 343             setGPS(gpsEnabled.toBool());
 344
 345             if (gpsEnabled.toBool())
 346                 m_ui->buildInformationBox(tr("GPS enabled"));
 347         }
 348     } else {
 349         setGPS(false);
 350     }
 351 }
 352
 353 void SituareEngine::locationSearch(QString location)
 354 {
 355     qDebug() << __PRETTY_FUNCTION__;
 356
 357     if(!location.isEmpty())
 358         m_geocodingService->requestLocation(location);
 359 }
 360
 361 void SituareEngine::login()
 362 {
 363     qWarning() << __PRETTY_FUNCTION__;
 364
 365     FacebookLoginBrowser *browser = m_ui->buildFacebookLoginBrowser();
 366
 367     connect(browser, SIGNAL(loadFinished(bool)),
 368             m_facebookAuthenticator, SLOT(loadFinished(bool)));
 369
 370     connect(browser, SIGNAL(urlChanged(QUrl)),
 371             m_facebookAuthenticator, SLOT(urlChanged(QUrl)));
 372
 373 //    browser->load(QUrl("https://graph.facebook.com/oauth/authorize?client_id=4197c64da2fb6b927236feaea32d7d81&redirect_uri=http://www.facebook.com/connect/login_success.html&display=touch&type=user_agent"));
 374
 375     QString url = "https://www.facebook.com/login.php?";
 376     url.append("api_key=cf77865a5070f2c2ba3b52cbf3371579&"); ///< @todo hard coded test server api key
 377     url.append("cancel_url=http://www.facebook.com/connect/login_failure.html&");
 378     url.append("display=touch&");
 379     url.append("fbconnect=1&");
 380     url.append("next=http://www.facebook.com/connect/login_success.html&");
 381     url.append("return_session=1&");
 382     url.append("session_version=3&");
 383     url.append("v=1.0&");
 384     url.append("req_perms=publish_stream");
 385
 386     browser->load(QUrl(url));
 387 }
 388
 389 void SituareEngine::loggedIn()
 390 {
 391     qWarning() << __PRETTY_FUNCTION__;
 392
 393     m_ui->destroyFacebookLoginBrowser();
 394
 395     loginOk();
 396 }
 397
 398 void SituareEngine::loginActionPressed()
 399 {
 400     qDebug() << __PRETTY_FUNCTION__;
 401
 402     if (m_networkAccessManager->isConnected()) {
 403         if(m_ui->loginState()) {
 404             logout();
 405             m_situareService->clearUserData();
 406         } else {
 407             login();
 408         }
 409     }
 410     else {
 411         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 412     }
 413 }
 414
 415 void SituareEngine::loginOk()
 416 {
 417     qDebug() << __PRETTY_FUNCTION__;
 418
 419     m_ui->loggedIn(true);
 420
 421     m_ui->show();
 422     m_situareService->fetchLocations(); // request user locations
 423
 424     if (m_gps->isRunning())
 425         m_ui->readAutomaticLocationUpdateSettings();
 426 }
 427
 428 void SituareEngine::loginProcessCancelled()
 429 {
 430     qDebug() << __PRETTY_FUNCTION__;
 431
 432     m_ui->toggleProgressIndicator(false);
 433     m_ui->updateItemVisibility();
 434 }
 435
 436 void SituareEngine::logout()
 437 {
 438     qDebug() << __PRETTY_FUNCTION__;
 439
 440     m_ui->loggedIn(false);
 441
 442     // signal to clear locationUpdateDialog's data
 443     connect(this, SIGNAL(clearUpdateLocationDialogData()),
 444             m_ui, SIGNAL(clearUpdateLocationDialogData()));
 445     emit clearUpdateLocationDialogData();
 446
 447     m_facebookAuthenticator->clearAccountInformation(); // clear all
 448     m_automaticUpdateFirstStart = true;
 449 }
 450
 451 void SituareEngine::refreshUserData()
 452 {
 453     qDebug() << __PRETTY_FUNCTION__;
 454
 455     if (m_networkAccessManager->isConnected()) {
 456         m_ui->toggleProgressIndicator(true);
 457         m_situareService->fetchLocations();
 458     }
 459     else {
 460         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 461     }
 462 }
 463
 464 void SituareEngine::requestAddress()
 465 {
 466     qDebug() << __PRETTY_FUNCTION__;
 467
 468     if (m_networkAccessManager->isConnected()) {
 469         if (m_gps->isRunning())
 470             m_situareService->reverseGeo(m_gps->lastPosition());
 471         else
 472             m_situareService->reverseGeo(m_mapEngine->centerGeoCoordinate());
 473     }
 474     else {
 475         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 476     }
 477 }
 478
 479 void SituareEngine::requestUpdateLocation(const QString &status, bool publish)
 480 {
 481     qDebug() << __PRETTY_FUNCTION__;
 482
 483     if (m_networkAccessManager->isConnected()) {
 484         m_ui->toggleProgressIndicator(true);
 485
 486         if (m_gps->isRunning())
 487             m_situareService->updateLocation(m_gps->lastPosition(), status, publish);
 488         else
 489             m_situareService->updateLocation(m_mapEngine->centerGeoCoordinate(), status, publish);
 490     }
 491     else {
 492         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 493     }
 494 }
 495
 496 void SituareEngine::requestAutomaticUpdateIfMoved(GeoCoordinate position)
 497 {
 498     qDebug() << __PRETTY_FUNCTION__;
 499
 500     if ((fabs(m_lastUpdatedGPSPosition.longitude() - position.longitude()) >
 501          USER_MOVEMENT_MINIMUM_LONGITUDE_DIFFERENCE) ||
 502         (fabs(m_lastUpdatedGPSPosition.latitude() - position.latitude()) >
 503          USER_MOVEMENT_MINIMUM_LATITUDE_DIFFERENCE)) {
 504
 505         m_lastUpdatedGPSPosition = position;
 506         m_userMoved = true;
 507     }
 508
 509     if (m_automaticUpdateRequest && m_userMoved) {
 510         requestUpdateLocation(tr("Automatic location update"));
 511         m_automaticUpdateRequest = false;
 512         m_userMoved = false;
 513     }
 514 }
 515
 516 void SituareEngine::routeParsed(Route &route)
 517 {
 518     qDebug() << __PRETTY_FUNCTION__;
 519
 520     Q_UNUSED(route);
 521
 522     m_ui->toggleProgressIndicator(false);
 523 }
 524
 525 void SituareEngine::routeTo(const GeoCoordinate &endPointCoordinates)
 526 {
 527     qDebug() << __PRETTY_FUNCTION__;
 528
 529     m_ui->toggleProgressIndicator(true);
 530
 531     if (m_gps->isRunning())
 532         m_routingService->requestRoute(m_gps->lastPosition(), endPointCoordinates);
 533     else
 534         m_routingService->requestRoute(m_mapEngine->centerGeoCoordinate(), endPointCoordinates);
 535 }
 536
 537 void SituareEngine::routeToCursor()
 538 {
 539     qDebug() << __PRETTY_FUNCTION__;
 540
 541     routeTo(m_mapEngine->centerGeoCoordinate());
 542 }
 543
 544 void SituareEngine::setAutoCentering(bool enabled)
 545 {
 546     qDebug() << __PRETTY_FUNCTION__ << enabled;
 547
 548     m_ui->setIndicatorButtonEnabled(enabled);
 549     m_mapEngine->setAutoCentering(enabled);
 550     m_ui->setCrosshairVisibility(!enabled);
 551
 552     if (enabled) {
 553         setGPS(true);
 554         m_gps->requestLastPosition();
 555     }
 556 }
 557
 558 void SituareEngine::setFirstStartZoomLevel()
 559 {
 560     qDebug() << __PRETTY_FUNCTION__;
 561
 562     if (m_autoCenteringEnabled) // autocentering is disabled when map is scrolled
 563         m_mapEngine->setZoomLevel(DEFAULT_ZOOM_LEVEL_WHEN_GPS_IS_AVAILABLE);
 564
 565     disconnect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 566                this, SLOT(setFirstStartZoomLevel()));
 567 }
 568
 569 void SituareEngine::setGPS(bool enabled)
 570 {
 571     qDebug() << __PRETTY_FUNCTION__ << enabled;
 572
 573     if (m_gps->isInitialized()) {
 574         m_ui->setGPSButtonEnabled(enabled);
 575         m_mapEngine->setGPSEnabled(enabled);
 576
 577         if (enabled && !m_gps->isRunning()) {
 578             m_gps->start();
 579             m_gps->requestLastPosition();
 580
 581             if(m_ui->loginState())
 582                 m_ui->readAutomaticLocationUpdateSettings();
 583         }
 584         else if (!enabled && m_gps->isRunning()) {
 585             m_gps->stop();
 586             changeAutoCenteringSetting(false);
 587             enableAutomaticLocationUpdate(false);
 588         }
 589     }
 590     else {
 591         if (enabled)
 592             m_ui->buildInformationBox(tr("Unable to start GPS"));
 593         m_ui->setGPSButtonEnabled(false);
 594         m_mapEngine->setGPSEnabled(false);
 595     }
 596 }
 597
 598 void SituareEngine::setPowerSaving(bool enabled)
 599 {
 600     qDebug() << __PRETTY_FUNCTION__ << enabled;
 601
 602     m_gps->enablePowerSave(enabled);
 603
 604     if(m_autoCenteringEnabled)
 605         m_mapEngine->setAutoCentering(!enabled);
 606 }
 607
 608 void SituareEngine::showContactDialog(const QString &facebookId)
 609 {
 610     qDebug() << __PRETTY_FUNCTION__;
 611
 612     QString guid = m_contactManager->contactGuid(facebookId);
 613
 614     if (!guid.isEmpty())
 615         m_ui->showContactDialog(guid);
 616     else
 617         m_ui->buildInformationBox(tr("Unable to find contact.\nAdd Facebook IM "
 618                                      "account from Conversations to use this feature."), true);
 619 }
 620
 621 void SituareEngine::signalsFromFacebookAuthenticator()
 622 {
 623     qDebug() << __PRETTY_FUNCTION__;
 624
 625     connect(m_facebookAuthenticator, SIGNAL(error(int, int)),
 626             this, SLOT(error(int, int)));
 627
 628     connect(m_facebookAuthenticator, SIGNAL(credentialsReady(FacebookCredentials)),
 629             m_situareService, SLOT(credentialsReady(FacebookCredentials)));
 630
 631     connect(m_facebookAuthenticator, SIGNAL(credentialsReady(FacebookCredentials)),
 632             this, SLOT(loginOk()));
 633
 634     connect(m_facebookAuthenticator, SIGNAL(newLoginRequest()),
 635             m_ui, SLOT(startLoginProcess()));
 636
 637     connect(m_facebookAuthenticator, SIGNAL(saveCookiesRequest()),
 638             m_ui, SLOT(saveCookies()));
 639
 640     connect(m_facebookAuthenticator, SIGNAL(loginUsingCookies()),
 641             m_ui, SLOT(loginUsingCookies()));
 642
 643     connect(m_facebookAuthenticator, SIGNAL(loggedIn(QString)),
 644             m_situareService, SLOT(updateAccessToken(QString)));
 645
 646     connect(m_facebookAuthenticator, SIGNAL(loggedIn(QString)),
 647             this, SLOT(loggedIn()));
 648 }
 649
 650 void SituareEngine::signalsFromGeocodingService()
 651 {
 652     qDebug() << __PRETTY_FUNCTION__;
 653
 654     connect(m_geocodingService, SIGNAL(locationDataParsed(const QList<Location>&)),
 655             m_ui, SIGNAL(locationDataParsed(const QList<Location>&)));
 656
 657     connect(m_geocodingService, SIGNAL(error(int, int)),
 658             this, SLOT(error(int, int)));
 659 }
 660
 661 void SituareEngine::signalsFromGPS()
 662 {
 663     qDebug() << __PRETTY_FUNCTION__;
 664
 665     connect(m_gps, SIGNAL(position(GeoCoordinate, qreal)),
 666             m_mapEngine, SLOT(gpsPositionUpdate(GeoCoordinate, qreal)));
 667
 668     connect(m_gps, SIGNAL(timeout()),
 669             m_ui, SLOT(gpsTimeout()));
 670
 671     connect(m_gps, SIGNAL(error(int, int)),
 672             this, SLOT(error(int, int)));
 673 }
 674
 675 void SituareEngine::signalsFromMainWindow()
 676 {
 677     qDebug() << __PRETTY_FUNCTION__;
 678
 679     connect(m_ui, SIGNAL(error(int, int)),
 680             this, SLOT(error(int, int)));
 681
 682     connect(m_ui, SIGNAL(fetchUsernameFromSettings()),
 683             this, SLOT(fetchUsernameFromSettings()));
 684
 685     connect(m_ui, SIGNAL(loginActionPressed()),
 686             this, SLOT(loginActionPressed()));
 687
 688     connect(m_ui, SIGNAL(saveUsername(QString)),
 689             m_facebookAuthenticator, SLOT(saveUsername(QString)));
 690
 691     connect(m_ui, SIGNAL(updateCredentials(QUrl)),
 692             m_facebookAuthenticator, SLOT(updateCredentials(QUrl)));
 693
 694     // signals from map view
 695     connect(m_ui, SIGNAL(mapViewScrolled(SceneCoordinate)),
 696             m_mapEngine, SLOT(setCenterPosition(SceneCoordinate)));
 697
 698     connect(m_ui, SIGNAL(mapViewResized(QSize)),
 699             m_mapEngine, SLOT(viewResized(QSize)));
 700
 701     connect(m_ui, SIGNAL(viewZoomFinished()),
 702             m_mapEngine, SLOT(viewZoomFinished()));
 703
 704     // signals from zoom buttons (zoom panel and volume buttons)
 705     connect(m_ui, SIGNAL(zoomIn()),
 706             m_mapEngine, SLOT(zoomIn()));
 707
 708     connect(m_ui, SIGNAL(zoomOut()),
 709             m_mapEngine, SLOT(zoomOut()));
 710
 711     // signals from menu buttons
 712     connect(m_ui, SIGNAL(gpsTriggered(bool)),
 713             this, SLOT(setGPS(bool)));
 714
 715     //signals from dialogs
 716     connect(m_ui, SIGNAL(cancelLoginProcess()),
 717             this, SLOT(loginProcessCancelled()));
 718
 719     connect(m_ui, SIGNAL(requestReverseGeo()),
 720             this, SLOT(requestAddress()));
 721
 722     connect(m_ui, SIGNAL(statusUpdate(QString,bool)),
 723             this, SLOT(requestUpdateLocation(QString,bool)));
 724
 725     connect(m_ui, SIGNAL(enableAutomaticLocationUpdate(bool, int)),
 726             this, SLOT(enableAutomaticLocationUpdate(bool, int)));
 727
 728     // signals from user info tab
 729     connect(m_ui, SIGNAL(refreshUserData()),
 730             this, SLOT(refreshUserData()));
 731
 732     connect(m_ui, SIGNAL(centerToCoordinates(GeoCoordinate)),
 733             m_mapEngine, SLOT(centerToCoordinates(GeoCoordinate)));
 734
 735     // routing signal from friend list tab & search location tab
 736     connect(m_ui, SIGNAL(routeTo(const GeoCoordinate&)),
 737             this, SLOT(routeTo(const GeoCoordinate&)));
 738
 739     // signals from location search panel
 740     connect(m_ui,
 741             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
 742             m_mapEngine,
 743             SLOT(showMapArea(const GeoCoordinate&, const GeoCoordinate&)));
 744
 745     connect(m_ui, SIGNAL(searchHistoryItemClicked(QString)),
 746             this, SLOT(locationSearch(QString)));
 747
 748     // signals from routing tab
 749     connect(m_ui, SIGNAL(clearRoute()),
 750             m_mapEngine, SLOT(clearRoute()));
 751
 752     connect(m_ui, SIGNAL(routeToCursor()),
 753             this, SLOT(routeToCursor()));
 754
 755     // signals from distance indicator button
 756     connect(m_ui, SIGNAL(autoCenteringTriggered(bool)),
 757             this, SLOT(changeAutoCenteringSetting(bool)));
 758
 759     connect(m_ui, SIGNAL(draggingModeTriggered()),
 760             this, SLOT(draggingModeTriggered()));
 761
 762     // signal from search location dialog
 763     connect(m_ui, SIGNAL(searchForLocation(QString)),
 764             this, SLOT(locationSearch(QString)));
 765
 766     // signal from friend list panel
 767     connect(m_ui, SIGNAL(requestContactDialog(const QString &)),
 768             this, SLOT(showContactDialog(const QString &)));
 769 }
 770
 771 void SituareEngine::signalsFromMapEngine()
 772 {
 773     qDebug() << __PRETTY_FUNCTION__;
 774
 775     connect(m_mapEngine, SIGNAL(error(int, int)),
 776             this, SLOT(error(int, int)));
 777
 778     connect(m_mapEngine, SIGNAL(locationChanged(SceneCoordinate)),
 779             m_ui, SIGNAL(centerToSceneCoordinates(SceneCoordinate)));
 780
 781     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
 782             m_ui, SIGNAL(zoomLevelChanged(int)));
 783
 784     connect(m_mapEngine, SIGNAL(mapScrolledManually()),
 785             this, SLOT(disableAutoCentering()));
 786
 787     connect(m_mapEngine, SIGNAL(maxZoomLevelReached()),
 788             m_ui, SIGNAL(maxZoomLevelReached()));
 789
 790     connect(m_mapEngine, SIGNAL(minZoomLevelReached()),
 791             m_ui, SIGNAL(minZoomLevelReached()));
 792
 793     connect(m_mapEngine, SIGNAL(locationItemClicked(QList<QString>)),
 794             m_ui, SIGNAL(locationItemClicked(QList<QString>)));
 795
 796     connect(m_mapEngine, SIGNAL(newMapResolution(qreal)),
 797             m_ui, SIGNAL(newMapResolution(qreal)));
 798
 799     connect(m_mapEngine, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)),
 800             m_ui, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)));
 801 }
 802
 803 void SituareEngine::signalsFromRoutingService()
 804 {
 805     qDebug() << __PRETTY_FUNCTION__;
 806
 807     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 808             this, SLOT(routeParsed(Route&)));
 809
 810     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 811             m_mapEngine, SLOT(setRoute(Route&)));
 812
 813     connect(m_routingService, SIGNAL(routeParsed(Route&)),
 814             m_ui, SIGNAL(routeParsed(Route&)));
 815
 816     connect(m_routingService, SIGNAL(error(int, int)),
 817             this, SLOT(error(int, int)));
 818 }
 819
 820 void SituareEngine::signalsFromSituareService()
 821 {
 822     qDebug() << __PRETTY_FUNCTION__;
 823
 824     connect(m_situareService, SIGNAL(error(int, int)),
 825             this, SLOT(error(int, int)));
 826
 827     connect(m_situareService, SIGNAL(imageReady(User*)),
 828             this, SLOT(imageReady(User*)));
 829
 830     connect(m_situareService, SIGNAL(reverseGeoReady(QString)),
 831             m_ui, SIGNAL(reverseGeoReady(QString)));
 832
 833     connect(m_situareService, SIGNAL(userDataChanged(User*, QList<User*>&)),
 834             this, SLOT(userDataChanged(User*, QList<User*>&)));
 835
 836     connect(m_situareService, SIGNAL(updateWasSuccessful()),
 837             this, SLOT(updateWasSuccessful()));
 838
 839     connect(m_situareService, SIGNAL(updateWasSuccessful()),
 840             m_ui, SIGNAL(clearUpdateLocationDialogData()));
 841 }
 842
 843 void SituareEngine::startAutomaticUpdate()
 844 {
 845     qDebug() << __PRETTY_FUNCTION__;
 846
 847     m_gps->requestUpdate();
 848     m_automaticUpdateRequest = true;
 849 }
 850
 851 void SituareEngine::topmostWindowChanged(bool isMainWindow)
 852 {
 853     qDebug() << __PRETTY_FUNCTION__;
 854
 855     setPowerSaving(!isMainWindow);
 856 }
 857
 858 void SituareEngine::updateWasSuccessful()
 859 {
 860     qDebug() << __PRETTY_FUNCTION__;
 861
 862     if (m_networkAccessManager->isConnected())
 863         m_situareService->fetchLocations();
 864     else
 865         error(ErrorContext::NETWORK, QNetworkReply::UnknownNetworkError);
 866 }
 867
 868 void SituareEngine::userDataChanged(User *user, QList<User *> &friendsList)
 869 {
 870     qDebug() << __PRETTY_FUNCTION__;
 871
 872     m_ui->toggleProgressIndicator(false);
 873
 874     emit userLocationReady(user);
 875     emit friendsLocationsReady(friendsList);
 876 }