2 Situare - A location system for Facebook
3 Copyright (C) 2010 Ixonos Plc. Authors:
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
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.
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.
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,
32 #include "coordinates/geocoordinate.h"
38 class FacebookAuthentication;
39 class FacebookCredentials;
40 class GeocodingService;
46 class NetworkAccessManager;
53 * @brief Engine class for Situare Application
55 * This class handles all the underlaying login of the Situare
58 class SituareEngine : public QObject
73 /*******************************************************************************
74 * MEMBER FUNCTIONS AND SLOTS
75 ******************************************************************************/
78 * @brief Slot to intercept error signal from ImageFetcher and SituareService
80 * @param context Error context
81 * @param error Error message
83 void error(const int context, const int error);
86 * @brief Slot to intercept signal when username is fetched from settings
89 void fetchUsernameFromSettings();
92 * @brief Slot to intercept signal when location search is issued
94 * @param location QString location
96 void locationSearch(QString location);
101 * @brief Slot to intercept signal when Login/Logout action is pressed
104 void loginActionPressed();
107 * @brief Slot to intercept signal from successful login
113 * @brief Slot to intercept signal when user has cancelled login process
115 void loginProcessCancelled();
118 * @brief Changes application state when logged out
124 * @brief Calls reverseGeo from SituareService to translate coordinates to street address
127 void requestAddress();
130 * @brief Calls updateLocation from SituareService to send the location update to
133 * @param status Status message
134 * @param publish Publish on Facebook
136 void requestUpdateLocation(const QString &status = QString(), bool publish = false);
139 * @brief Slot to refresh user data
141 void refreshUserData();
144 * @brief Slot to intercept signal from successful location update
147 void updateWasSuccessful();
150 * @brief Slot to intercept signal when new user data is available.
151 * Splits User and friendsList data and emits them as two different signals.
153 * @param user instance of User
154 * @param friendsList list of User instances (friends)
156 void userDataChanged(User *user, QList<User *> &friendsList);
160 * @brief Read settings and determine whether to use GPS and autocentering.
161 * When values does not found on the settings, GPS and autocentering are enabled as a default.
163 void initializeGpsAndAutocentering();
166 * @brief Connect signals coming from Facebook authenticator
168 void signalsFromFacebookAuthenticator();
171 * @brief Connect signals coming from GeocodingService
173 void signalsFromGeocodingService();
176 * @brief Connect signals coming from GPS
178 void signalsFromGPS();
181 * @brief Connect signals coming from MainWindow
183 void signalsFromMainWindow();
186 * @brief Connect signals coming from MapEngine
188 void signalsFromMapEngine();
191 * @brief Connect signals coming from MapView
193 void signalsFromMapView();
196 * @brief Connect signals coming from RoutingService
198 void signalsFromRoutingService();
201 * @brief Connect signals coming from Situare
203 void signalsFromSituareService();
207 * @brief Set auto centering feature enabled / disabled
209 * @param enabled true if enabled, false otherwise
211 void changeAutoCenteringSetting(bool enabled);
214 * @brief Slot for disabling automatic centering when map is scrolled manually
216 void disableAutoCentering();
219 * @brief Calls vibration feedback.
221 void draggingModeTriggered();
224 * @brief Enables automatic location update.
226 * @param enabled true if enabled, false otherwise
227 * @param updateIntervalMsecs update interval in milliseconds
229 void enableAutomaticLocationUpdate(bool enabled, int updateIntervalMsecs = 0);
232 * @brief Slot to intercept signal when user's/friend's image is downloaded
234 * @param user Instance of user/friend
236 void imageReady(User *user);
241 * @brief Requests automatic update.
243 * Makes automatic location update request if user has moved enough.
245 * @param position geo coordinates
247 void requestAutomaticUpdateIfMoved(GeoCoordinate position);
250 * @brief Route is parsed and is ready for further processing.
252 * @param route Route item containing parsed route details
254 void routeParsed(Route &route);
257 * @brief Routes to geo coordinates.
259 * Uses map center coordinates as start point.
260 * @param endPointCoordinates end point geo coordinates
262 void routeTo(const GeoCoordinate &endPointCoordinates);
265 * @brief Route to current cursor position
267 void routeToCursor();
270 * @brief Slot for setting auto centering state.
272 * Calls gps to send last known position
274 * @param enabled true if auto centering was enabled, false otherwise
276 void setAutoCentering(bool enabled);
279 * @brief Sets zoom level to default when first GPS location is received if autocentering
282 void setFirstStartZoomLevel();
285 * @brief Slot for setting GPS state.
287 * @param enabled true if gps should be enabled, false otherwise
289 void setGPS(bool enabled);
292 * @brief Slot for setting power saving state.
294 * @param enabled true if enabled, false otherwise
296 void setPowerSaving(bool enabled);
299 * @brief Shows contact dialog.
301 * Calls MainWindow showContactDialog with contact guid defined by contact's Facebook ID.
302 * @param facebookId contact's facebookId
304 void showContactDialog(const QString &facebookId);
307 * @brief Automatic update interval timer timeout.
309 * Requests update location if user has moved.
311 void startAutomaticUpdate();
314 * @brief Called when topmost window is changed
316 * Does set power saving state.
318 * @param isMainWindow True if MainWindow is the topmost one
320 void topmostWindowChanged(bool isMainWindow);
322 /*******************************************************************************
324 ******************************************************************************/
327 * @brief Signals when automatic location update was enabled.
329 * @param enabled true if enabled, false otherwise
331 void automaticLocationUpdateEnabled(bool enabled);
334 * @brief Signal to clear locationUpdateDialog's data
337 void clearUpdateLocationDialogData();
340 * @brief Signal when direction and distance from current map center point to current GPS
341 * location is changed
343 * @param direction Direction in degrees
344 * @param distance Distance in meters
345 * @param draw Should the indicator triangle be drawn or not
347 void directionIndicatorValuesUpdate(qreal direction, qreal distance, bool draw);
350 * @brief Signals when new friends data is ready
352 * @param friendList List of User instances (friends)
354 void friendsLocationsReady(QList<User *> &friendList);
357 * @brief Signals when friend's image is ready
359 * @param user Instance of friend
361 void friendImageReady(User *user);
364 * @brief Emited when location request is parsed and is ready for further processing
366 * @param result List of Location items
368 void locationDataParsed(QList<Location> &result);
371 * @brief Signals when new user data is ready
373 * @param user Instance of User
375 void userLocationReady(User *user);
377 /*******************************************************************************
379 ******************************************************************************/
381 bool m_autoCenteringEnabled; ///< Auto centering flag
382 bool m_automaticUpdateFirstStart; ///< Automatic location update first start flag
383 bool m_automaticUpdateRequest; ///< Flag for automatic update request
384 bool m_userMoved; ///< Flag for user move
386 QTimer *m_automaticUpdateIntervalTimer; ///< Automatic update interval timer
388 ContactManager *m_contactManager; ///< Instance of contact manager
389 FacebookAuthentication *m_facebookAuthenticator; ///< Instance for facebook authenticator
390 GeocodingService *m_geocodingService; ///< Instance of the geocoding service
391 GeoCoordinate m_lastUpdatedGPSPosition; ///< Last updated GPS position
392 GPSPosition *m_gps; ///< Instance of the gps position
393 MainWindow *m_ui; ///< Instance of the MainWindow UI
394 MapEngine *m_mapEngine; ///< MapEngine
395 NetworkAccessManager *m_networkAccessManager; ///< NetworkAccessManager
396 RoutingService *m_routingService; ///< Instance of the routing service
397 SituareService *m_situareService; ///< Instance of the situare server communication service
398 MCE *m_mce; ///< Instance of the MCE