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 Slot to intercept signal when user has cancelled login process
107 void loginProcessCancelled();
110 * @brief Changes application state when logged out
116 * @brief Calls reverseGeo from SituareService to translate coordinates to street address
119 void requestAddress();
122 * @brief Calls updateLocation from SituareService to send the location update to
125 * @param status Status message
126 * @param publish Publish on Facebook
128 void requestUpdateLocation(const QString &status = QString(), bool publish = false);
131 * @brief Slot to refresh user data
133 void refreshUserData();
136 * @brief Slot to intercept signal from successful location update
139 void updateWasSuccessful();
142 * @brief Slot to intercept signal when new user data is available.
143 * Splits User and friendsList data and emits them as two different signals.
145 * @param user instance of User
146 * @param friendsList list of User instances (friends)
148 void userDataChanged(User *user, QList<User *> &friendsList);
152 * @brief Read settings and determine whether to use GPS and autocentering.
153 * When values does not found on the settings, GPS and autocentering are enabled as a default.
155 void initializeGpsAndAutocentering();
158 * @brief Connect signals coming from Facebook authenticator
160 void signalsFromFacebookAuthenticator();
163 * @brief Connect signals coming from GeocodingService
165 void signalsFromGeocodingService();
168 * @brief Connect signals coming from GPS
170 void signalsFromGPS();
173 * @brief Connect signals coming from MainWindow
175 void signalsFromMainWindow();
178 * @brief Connect signals coming from MapEngine
180 void signalsFromMapEngine();
183 * @brief Connect signals coming from MapView
185 void signalsFromMapView();
188 * @brief Connect signals coming from RoutingService
190 void signalsFromRoutingService();
193 * @brief Connect signals coming from Situare
195 void signalsFromSituareService();
199 * @brief Set auto centering feature enabled / disabled
201 * @param enabled true if enabled, false otherwise
203 void changeAutoCenteringSetting(bool enabled);
206 * @brief Slot for disabling automatic centering when map is scrolled manually
208 void disableAutoCentering();
211 * @brief Calls vibration feedback.
213 void draggingModeTriggered();
216 * @brief Enables automatic location update.
218 * @param enabled true if enabled, false otherwise
219 * @param updateIntervalMsecs update interval in milliseconds
221 void enableAutomaticLocationUpdate(bool enabled, int updateIntervalMsecs = 0);
224 * @brief Slot to intercept signal when user's/friend's image is downloaded
226 * @param user Instance of user/friend
228 void imageReady(User *user);
233 * @brief Requests automatic update.
235 * Makes automatic location update request if user has moved enough.
237 * @param position geo coordinates
239 void requestAutomaticUpdateIfMoved(GeoCoordinate position);
242 * @brief Route is parsed and is ready for further processing.
244 * @param route Route item containing parsed route details
246 void routeParsed(Route &route);
249 * @brief Routes to geo coordinates.
251 * Uses map center coordinates as start point.
252 * @param endPointCoordinates end point geo coordinates
254 void routeTo(const GeoCoordinate &endPointCoordinates);
257 * @brief Route to current cursor position
259 void routeToCursor();
262 * @brief Slot for setting auto centering state.
264 * Calls gps to send last known position
266 * @param enabled true if auto centering was enabled, false otherwise
268 void setAutoCentering(bool enabled);
271 * @brief Sets zoom level to default when first GPS location is received if autocentering
274 void setFirstStartZoomLevel();
277 * @brief Slot for setting GPS state.
279 * @param enabled true if gps should be enabled, false otherwise
281 void setGPS(bool enabled);
284 * @brief Slot for setting power saving state.
286 * @param enabled true if enabled, false otherwise
288 void setPowerSaving(bool enabled);
291 * @brief Shows contact dialog.
293 * Calls MainWindow showContactDialog with contact guid defined by contact's Facebook ID.
294 * @param facebookId contact's facebookId
296 void showContactDialog(const QString &facebookId);
299 * @brief Automatic update interval timer timeout.
301 * Requests update location if user has moved.
303 void startAutomaticUpdate();
306 * @brief Called when topmost window is changed
308 * Does set power saving state.
310 * @param isMainWindow True if MainWindow is the topmost one
312 void topmostWindowChanged(bool isMainWindow);
314 /*******************************************************************************
316 ******************************************************************************/
319 * @brief Signals when automatic location update was enabled.
321 * @param enabled true if enabled, false otherwise
323 void automaticLocationUpdateEnabled(bool enabled);
326 * @brief Signal to clear locationUpdateDialog's data
329 void clearUpdateLocationDialogData();
332 * @brief Signal when direction and distance from current map center point to current GPS
333 * location is changed
335 * @param direction Direction in degrees
336 * @param distance Distance in meters
337 * @param draw Should the indicator triangle be drawn or not
339 void directionIndicatorValuesUpdate(qreal direction, qreal distance, bool draw);
342 * @brief Signals when new friends data is ready
344 * @param friendList List of User instances (friends)
346 void friendsLocationsReady(QList<User *> &friendList);
349 * @brief Signals when friend's image is ready
351 * @param user Instance of friend
353 void friendImageReady(User *user);
356 * @brief Emited when location request is parsed and is ready for further processing
358 * @param result List of Location items
360 void locationDataParsed(QList<Location> &result);
363 * @brief Signals when new user data is ready
365 * @param user Instance of User
367 void userLocationReady(User *user);
369 /*******************************************************************************
371 ******************************************************************************/
373 bool m_autoCenteringEnabled; ///< Auto centering flag
374 bool m_automaticUpdateFirstStart; ///< Automatic location update first start flag
375 bool m_automaticUpdateRequest; ///< Flag for automatic update request
376 bool m_userMoved; ///< Flag for user move
378 QTimer *m_automaticUpdateIntervalTimer; ///< Automatic update interval timer
380 ContactManager *m_contactManager; ///< Instance of contact manager
381 FacebookAuthentication *m_facebookAuthenticator; ///< Instance for facebook authenticator
382 GeocodingService *m_geocodingService; ///< Instance of the geocoding service
383 GeoCoordinate m_lastUpdatedGPSPosition; ///< Last updated GPS position
384 GPSPosition *m_gps; ///< Instance of the gps position
385 MainWindow *m_ui; ///< Instance of the MainWindow UI
386 MapEngine *m_mapEngine; ///< MapEngine
387 NetworkAccessManager *m_networkAccessManager; ///< NetworkAccessManager
388 RoutingService *m_routingService; ///< Instance of the routing service
389 SituareService *m_situareService; ///< Instance of the situare server communication service
390 MCE *m_mce; ///< Instance of the MCE