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