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 location search is issued
88 * @param location QString location
90 void locationSearch(QString location);
93 * @brief Slot to intercept signal when Login/Logout action is pressed
96 void loginActionPressed();
99 * @brief Slot to intercept signal from successful login
105 * @brief Changes application state when logged out
111 * @brief Calls reverseGeo from SituareService to translate coordinates to street address
114 void requestAddress();
117 * @brief Calls updateLocation from SituareService to send the location update to
120 * @param status Status message
121 * @param publish Publish on Facebook
123 void requestUpdateLocation(const QString &status = QString(), bool publish = false);
126 * @brief Slot to refresh user data
128 void refreshUserData();
131 * @brief Slot to intercept signal from successful location update
134 void updateWasSuccessful();
137 * @brief Slot to intercept signal when new user data is available.
138 * Splits User and friendsList data and emits them as two different signals.
140 * @param user instance of User
141 * @param friendsList list of User instances (friends)
143 void userDataChanged(User *user, QList<User *> &friendsList);
147 * @brief Read settings and determine whether to use GPS and autocentering.
148 * When values does not found on the settings, GPS and autocentering are enabled as a default.
150 void initializeGpsAndAutocentering();
153 * @brief Connect signals coming from Facebook authenticator
155 void signalsFromFacebookAuthenticator();
158 * @brief Connect signals coming from GeocodingService
160 void signalsFromGeocodingService();
163 * @brief Connect signals coming from GPS
165 void signalsFromGPS();
168 * @brief Connect signals coming from MainWindow
170 void signalsFromMainWindow();
173 * @brief Connect signals coming from MapEngine
175 void signalsFromMapEngine();
178 * @brief Connect signals coming from MapView
180 void signalsFromMapView();
183 * @brief Connect signals coming from RoutingService
185 void signalsFromRoutingService();
188 * @brief Connect signals coming from Situare
190 void signalsFromSituareService();
194 * @brief Set auto centering feature enabled / disabled
196 * @param enabled true if enabled, false otherwise
198 void changeAutoCenteringSetting(bool enabled);
201 * @brief Slot for disabling automatic centering when map is scrolled manually
203 void disableAutoCentering();
206 * @brief Calls vibration feedback.
208 void draggingModeTriggered();
211 * @brief Enables automatic location update.
213 * @param enabled true if enabled, false otherwise
214 * @param updateIntervalMsecs update interval in milliseconds
216 void enableAutomaticLocationUpdate(bool enabled, int updateIntervalMsecs = 0);
219 * @brief Slot to intercept signal when user's/friend's image is downloaded
221 * @param user Instance of user/friend
223 void imageReady(User *user);
226 * @brief Requests automatic update.
228 * Makes automatic location update request if user has moved enough.
230 * @param position geo coordinates
232 void requestAutomaticUpdateIfMoved(GeoCoordinate position);
235 * @brief Route is parsed and is ready for further processing.
237 * @param route Route item containing parsed route details
239 void routeParsed(Route &route);
242 * @brief Routes to geo coordinates.
244 * Uses map center coordinates as start point.
245 * @param endPointCoordinates end point geo coordinates
247 void routeTo(const GeoCoordinate &endPointCoordinates);
250 * @brief Route to current cursor position
252 void routeToCursor();
255 * @brief Slot for setting auto centering state.
257 * Calls gps to send last known position
259 * @param enabled true if auto centering was enabled, false otherwise
261 void setAutoCentering(bool enabled);
264 * @brief Sets zoom level to default when first GPS location is received if autocentering
267 void setFirstStartZoomLevel();
270 * @brief Slot for setting GPS state.
272 * @param enabled true if gps should be enabled, false otherwise
274 void setGPS(bool enabled);
277 * @brief Slot for setting power saving state.
279 * @param enabled true if enabled, false otherwise
281 void setPowerSaving(bool enabled);
284 * @brief Shows contact dialog.
286 * Calls MainWindow showContactDialog with contact guid defined by contact's Facebook ID.
287 * @param facebookId contact's facebookId
289 void showContactDialog(const QString &facebookId);
292 * @brief Automatic update interval timer timeout.
294 * Requests update location if user has moved.
296 void startAutomaticUpdate();
299 * @brief Called when topmost window is changed
301 * Does set power saving state.
303 * @param isMainWindow True if MainWindow is the topmost one
305 void topmostWindowChanged(bool isMainWindow);
307 /*******************************************************************************
309 ******************************************************************************/
312 * @brief Signals when automatic location update was enabled.
314 * @param enabled true if enabled, false otherwise
316 void automaticLocationUpdateEnabled(bool enabled);
319 * @brief Signal when direction and distance from current map center point to current GPS
320 * location is changed
322 * @param direction Direction in degrees
323 * @param distance Distance in meters
324 * @param draw Should the indicator triangle be drawn or not
326 void directionIndicatorValuesUpdate(qreal direction, qreal distance, bool draw);
329 * @brief Signals when new friends data is ready
331 * @param friendList List of User instances (friends)
333 void friendsLocationsReady(QList<User *> &friendList);
336 * @brief Signals when friend's image is ready
338 * @param user Instance of friend
340 void friendImageReady(User *user);
343 * @brief Emited when location request is parsed and is ready for further processing
345 * @param result List of Location items
347 void locationDataParsed(QList<Location> &result);
350 * @brief Signals when new user data is ready
352 * @param user Instance of User
354 void userLocationReady(User *user);
356 /*******************************************************************************
358 ******************************************************************************/
360 bool m_autoCenteringEnabled; ///< Auto centering flag
361 bool m_automaticUpdateFirstStart; ///< Automatic location update first start flag
362 bool m_automaticUpdateRequest; ///< Flag for automatic update request
363 bool m_userMoved; ///< Flag for user move
365 QTimer *m_automaticUpdateIntervalTimer; ///< Automatic update interval timer
367 ContactManager *m_contactManager; ///< Instance of contact manager
368 FacebookAuthentication *m_facebookAuthenticator; ///< Instance for facebook authenticator
369 GeocodingService *m_geocodingService; ///< Instance of the geocoding service
370 GeoCoordinate m_lastUpdatedGPSPosition; ///< Last updated GPS position
371 GPSPosition *m_gps; ///< Instance of the gps position
372 MainWindow *m_ui; ///< Instance of the MainWindow UI
373 MapEngine *m_mapEngine; ///< MapEngine
374 NetworkAccessManager *m_networkAccessManager; ///< NetworkAccessManager
375 RoutingService *m_routingService; ///< Instance of the routing service
376 SituareService *m_situareService; ///< Instance of the situare server communication service
377 MCE *m_mce; ///< Instance of the MCE