Merge branch 'master' into network_handler
[situare] / src / ui / mainwindow.cpp
1 /*
2    Situare - A location system for Facebook
3    Copyright (C) 2010  Ixonos Plc. Authors:
4
5       Henri Lampela - henri.lampela@ixonos.com
6       Kaj Wallin - kaj.wallin@ixonos.com
7       Jussi Laitinen jussi.laitinen@ixonos.com
8       Sami Rämö - sami.ramo@ixonos.com
9       Ville Tiensuu - ville.tiensuu@ixonos.com
10
11    Situare is free software; you can redistribute it and/or
12    modify it under the terms of the GNU General Public License
13    version 2 as published by the Free Software Foundation.
14
15    Situare is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License for more details.
19
20    You should have received a copy of the GNU General Public License
21    along with Situare; if not, write to the Free Software
22    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
23    USA.
24 */
25
26 #include <QtGui>
27 #include <QtWebKit>
28 #include <QtAlgorithms>
29
30 #include "facebookservice/facebookauthentication.h"
31 #include "map/mapcommon.h"
32 #include "map/mapview.h"
33 #include "common.h"
34 #include "friendlistpanel.h"
35 #include "fullscreenbutton.h"
36 #include "logindialog.h"
37 #include "mapscale.h"
38 #include "settingsdialog.h"
39 #include "userinfopanel.h"
40 #include "zoombuttonpanel.h"
41
42 #include "mainwindow.h"
43
44 // These MUST BE HERE, compiling for Maemo fails if moved
45 #ifdef Q_WS_MAEMO_5
46 #include <QtMaemo5/QMaemo5InformationBox>
47 #include <QtGui/QX11Info>
48 #include <X11/Xatom.h>
49 #include <X11/Xlib.h>
50 #endif // Q_WS_MAEMO_5
51
52 MainWindow::MainWindow(QWidget *parent)
53     : QMainWindow(parent),
54     m_drawOwnLocationCrosshair(false),
55     m_errorShown(false),
56     m_loggedIn(false),
57     m_refresh(false),
58     m_progressIndicatorCount(0),
59     m_ownLocationCrosshair(0),
60     m_email(),    
61     m_password(),
62     m_fullScreenButton(0),
63     m_webView(0),
64     m_mapScale(0),
65     m_cookieJar(0)
66 {
67     qDebug() << __PRETTY_FUNCTION__;
68
69     buildMap();
70
71     // build main layout
72     QHBoxLayout *layout = new QHBoxLayout;
73     layout->addWidget(m_mapView);
74     layout->setMargin(0);
75     layout->setSpacing(0);
76
77     setCentralWidget(new QWidget());
78     centralWidget()->setLayout(layout);
79
80     buildFriendListPanel();
81     buildUserInfoPanel();
82
83     createMenus();
84     setWindowTitle(tr("Situare"));
85
86     // set stacking order of widgets
87     m_zoomButtonPanel->stackUnder(m_userPanel);
88     if(m_fullScreenButton) {
89         m_fullScreenButton->stackUnder(m_zoomButtonPanel);
90         m_osmLicense->stackUnder(m_fullScreenButton);
91     } else {
92         m_osmLicense->stackUnder(m_zoomButtonPanel);
93     }
94     m_ownLocationCrosshair->stackUnder(m_osmLicense);
95     m_mapScale->stackUnder(m_ownLocationCrosshair);
96     m_mapView->stackUnder(m_mapScale);
97
98     grabZoomKeys(true);
99
100     // Set default screen size
101     resize(DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT);
102 #ifdef Q_WS_MAEMO_5
103     setAttribute(Qt::WA_Maemo5StackedWindow);
104 #endif
105 }
106
107 MainWindow::~MainWindow()
108 {
109     qDebug() << __PRETTY_FUNCTION__;
110
111     grabZoomKeys(false);
112
113     if(m_webView)
114         delete m_webView;
115
116     qDeleteAll(m_queue.begin(), m_queue.end());
117     m_queue.clear();
118
119     qDeleteAll(m_error_queue.begin(), m_error_queue.end());
120     m_error_queue.clear();
121 }
122
123 void MainWindow::automaticUpdateDialogFinished(int result)
124 {
125     qDebug() << __PRETTY_FUNCTION__;
126
127     if (result == QMessageBox::Yes) {
128         readAutomaticLocationUpdateSettings();
129     } else {
130         QSettings settings(DIRECTORY_NAME, FILE_NAME);
131         settings.setValue(SETTINGS_AUTOMATIC_UPDATE_ENABLED, false);
132         readAutomaticLocationUpdateSettings();
133     }
134
135     m_automaticUpdateLocationDialog->deleteLater();
136 }
137
138 void MainWindow::buildFullScreenButton()
139 {
140     qDebug() << __PRETTY_FUNCTION__;
141 #ifdef Q_WS_MAEMO_5
142     m_fullScreenButton = new FullScreenButton(this);
143     connect(m_fullScreenButton, SIGNAL(clicked()),
144             this, SLOT(toggleFullScreen()));
145 #endif // Q_WS_MAEMO_5
146 }
147
148 void MainWindow::buildFriendListPanel()
149 {
150     qDebug() << __PRETTY_FUNCTION__;
151
152     m_friendsListPanel = new FriendListPanel(this);
153
154     m_friendsListPanelSidebar = new PanelSideBar(this, RIGHT);
155
156     m_friendsListPanel->stackUnder(m_friendsListPanelSidebar);
157
158     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
159             m_friendsListPanel, SLOT(friendInfoReceived(QList<User*>&)));
160
161     connect(this, SIGNAL(locationItemClicked(QList<QString>)),
162             m_friendsListPanel, SLOT(showFriendsInList(QList<QString>)));
163
164     connect(m_mapView, SIGNAL(viewResized(QSize)),
165             m_friendsListPanel, SLOT(resizePanel(QSize)));
166
167     connect(m_mapView, SIGNAL(viewResized(QSize)),
168             m_friendsListPanelSidebar, SLOT(resizeSideBar(QSize)));
169
170     connect(m_friendsListPanel, SIGNAL(findFriend(QPointF)),
171             this, SIGNAL(findFriend(QPointF)));
172 }
173
174 void MainWindow::buildInformationBox(const QString &message, bool modal)
175 {
176     qDebug() << __PRETTY_FUNCTION__;
177
178     QString errorMessage = message;
179
180 #ifdef Q_WS_MAEMO_5
181
182     QMaemo5InformationBox *msgBox = new QMaemo5InformationBox(this);
183
184     if(modal) {
185         msgBox->setTimeout(QMaemo5InformationBox::NoTimeout);
186         // extra line changes are needed to make error notes broader
187         errorMessage.prepend("\n");
188         errorMessage.append("\n");
189     } else {
190         msgBox->setTimeout(QMaemo5InformationBox::DefaultTimeout);
191     }
192     QLabel *label = new QLabel(msgBox);
193     label->setAlignment(Qt::AlignCenter);
194     label->setText(errorMessage);
195     msgBox->setWidget(label);
196 #else
197     QMessageBox *msgBox = new QMessageBox(this);
198     msgBox->button(QMessageBox::Ok);
199     msgBox->setText(errorMessage);
200     msgBox->setModal(modal);
201 #endif
202
203     queueDialog(msgBox);
204 }
205
206 void MainWindow::buildManualLocationCrosshair()
207 {
208     qDebug() << __PRETTY_FUNCTION__;
209
210     m_ownLocationCrosshair = new QLabel(this);
211     QPixmap crosshairImage(":/res/images/sight.png");
212     m_ownLocationCrosshair->setPixmap(crosshairImage);
213     m_ownLocationCrosshair->setFixedSize(crosshairImage.size());
214     m_ownLocationCrosshair->hide();
215     m_ownLocationCrosshair->setAttribute(Qt::WA_TransparentForMouseEvents, true);
216
217     connect(m_mapView, SIGNAL(viewResized(QSize)),
218             this, SLOT(drawOwnLocationCrosshair(QSize)));
219 }
220
221 void MainWindow::buildMap()
222 {
223     qDebug() << __PRETTY_FUNCTION__;
224
225     m_mapView = new MapView(this);
226
227     buildZoomButtonPanel();
228     buildOsmLicense();
229     buildManualLocationCrosshair();
230     buildFullScreenButton();
231     buildMapScale();
232
233     connect(m_mapView, SIGNAL(viewScrolled(QPoint)),
234             this, SIGNAL(mapViewScrolled(QPoint)));
235
236     connect(this, SIGNAL(centerToSceneCoordinates(QPoint)),
237             m_mapView, SLOT(centerToSceneCoordinates(QPoint)));
238
239     connect(m_mapView, SIGNAL(viewResized(QSize)),
240             this, SIGNAL(mapViewResized(QSize)));
241
242     connect(m_mapView, SIGNAL(viewResized(QSize)),
243             this, SLOT(drawFullScreenButton(QSize)));
244
245     connect(m_mapView, SIGNAL(viewResized(QSize)),
246             this, SLOT(drawMapScale(QSize)));
247
248     connect(m_mapView, SIGNAL(viewResized(QSize)),
249              this, SLOT(setViewPortSize(QSize)));
250
251     connect(this, SIGNAL(zoomLevelChanged(int)),
252             m_mapView, SLOT(setZoomLevel(int)));
253
254     connect(m_mapView, SIGNAL(viewZoomFinished()),
255             this, SIGNAL(viewZoomFinished()));
256
257     connect(m_mapView, SIGNAL(zoomIn()),
258             this, SIGNAL(zoomIn()));
259 }
260
261 void MainWindow::buildMapScale()
262 {
263     m_mapScale = new MapScale(this);
264     connect(this, SIGNAL(newMapResolution(qreal)),
265             m_mapScale, SLOT(updateMapResolution(qreal)));
266 }
267
268 void MainWindow::buildOsmLicense()
269 {
270     qDebug() << __PRETTY_FUNCTION__;
271
272     m_osmLicense = new QLabel(this);
273     m_osmLicense->setAttribute(Qt::WA_TranslucentBackground, true);
274     m_osmLicense->setAttribute(Qt::WA_TransparentForMouseEvents, true);
275     m_osmLicense->setText("<font color='black'>" + OSM_LICENSE + "</font>");
276     m_osmLicense->setFont(QFont("Nokia Sans", 9));
277     m_osmLicense->resize(m_osmLicense->fontMetrics().width(OSM_LICENSE),
278                          m_osmLicense->fontMetrics().height());
279
280     connect(m_mapView, SIGNAL(viewResized(QSize)),
281             this, SLOT(drawOsmLicense(QSize)));
282 }
283
284 void MainWindow::buildUserInfoPanel()
285 {
286     qDebug() << __PRETTY_FUNCTION__;
287
288     m_userPanel = new UserInfoPanel(this);
289
290     m_userPanelSidebar = new PanelSideBar(this, LEFT);
291
292     m_userPanelSidebar->stackUnder(m_friendsListPanel);
293     m_userPanel->stackUnder(m_userPanelSidebar);
294
295     connect(this, SIGNAL(userLocationReady(User*)),
296             m_userPanel, SLOT(userDataReceived(User*)));
297
298     connect(this, SIGNAL(reverseGeoReady(QString)),
299             m_userPanel, SIGNAL(reverseGeoReady(QString)));
300
301     connect(this, SIGNAL(clearUpdateLocationDialogData()),
302             m_userPanel, SIGNAL(clearUpdateLocationDialogData()));
303
304     connect(this, SIGNAL(messageSendingFailed(int)),
305             m_userPanel, SIGNAL(messageSendingFailed(int)));
306
307     connect(m_mapView, SIGNAL(viewResized(QSize)),
308             m_userPanel, SLOT(resizePanel(QSize)));
309
310     connect(m_mapView, SIGNAL(viewResized(QSize)),
311             m_userPanelSidebar, SLOT(resizeSideBar(QSize)));
312
313     connect(m_userPanel, SIGNAL(findUser(QPointF)),
314             this, SIGNAL(findUser(QPointF)));
315
316     connect(m_userPanel, SIGNAL(requestReverseGeo()),
317             this, SIGNAL(requestReverseGeo()));
318
319     connect(m_userPanel, SIGNAL(statusUpdate(QString,bool)),
320             this, SIGNAL(statusUpdate(QString,bool)));
321
322     connect(m_userPanel, SIGNAL(refreshUserData()),
323             this, SIGNAL(refreshUserData()));
324
325     connect(m_userPanel, SIGNAL(notificateUpdateFailing(QString, bool)),
326             this, SLOT(buildInformationBox(QString, bool)));
327 }
328
329 void MainWindow::buildWebView()
330 {
331     qDebug() << __PRETTY_FUNCTION__;
332
333     if(!m_webView) {
334         m_webView = new QWebView;
335
336         if(!m_cookieJar)
337             m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
338
339         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
340
341         connect(m_webView->page()->networkAccessManager(), SIGNAL(finished(QNetworkReply*)),
342                 this, SLOT(webViewRequestFinished(QNetworkReply*)));
343         connect(m_webView, SIGNAL(urlChanged(const QUrl &)),
344                 this, SIGNAL(updateCredentials(QUrl)));
345         connect(m_webView, SIGNAL(loadFinished(bool)),
346                 this, SLOT(loadDone(bool)));
347
348         m_webView->hide();
349     }
350 }
351
352 void MainWindow::buildZoomButtonPanel()
353 {
354     qDebug() << __PRETTY_FUNCTION__;
355
356     m_zoomButtonPanel = new ZoomButtonPanel(this);
357
358     connect(m_zoomButtonPanel->zoomInButton(), SIGNAL(clicked()),
359             this, SIGNAL(zoomIn()));
360
361     connect(m_zoomButtonPanel->zoomOutButton(), SIGNAL(clicked()),
362             this, SIGNAL(zoomOut()));
363
364     connect(this, SIGNAL(zoomLevelChanged(int)),
365             m_zoomButtonPanel, SLOT(resetButtons()));
366
367     connect(this, SIGNAL(maxZoomLevelReached()),
368             m_zoomButtonPanel, SLOT(disableZoomInButton()));
369
370     connect(this, SIGNAL(minZoomLevelReached()),
371             m_zoomButtonPanel, SLOT(disableZoomOutButton()));
372
373     connect(m_mapView, SIGNAL(viewResized(QSize)),
374             m_zoomButtonPanel, SLOT(screenResized(QSize)));
375 }
376
377 void MainWindow::clearCookieJar()
378 {
379     qDebug() << __PRETTY_FUNCTION__;
380
381     buildWebView();
382
383     m_webView->stop();
384
385     if(!m_cookieJar) {
386         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
387     }
388     QList<QNetworkCookie> emptyList;
389     emptyList.clear();
390
391     m_cookieJar->setAllCookies(emptyList);
392     m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
393 }
394
395 void MainWindow::createMenus()
396 {
397     qDebug() << __PRETTY_FUNCTION__;
398
399     // login/logout
400     m_loginAct = new QAction(tr("Login"), this);
401     connect(m_loginAct, SIGNAL(triggered()),
402             this, SIGNAL(loginActionPressed()));
403
404     // settings
405     m_toSettingsAct = new QAction(tr("Settings"), this);
406     connect(m_toSettingsAct, SIGNAL(triggered()),
407         this, SLOT(openSettingsDialog()));
408
409     // GPS
410     m_gpsToggleAct = new QAction(tr("GPS"), this);
411     m_gpsToggleAct->setCheckable(true);
412
413     connect(m_gpsToggleAct, SIGNAL(triggered(bool)),
414             this, SIGNAL(gpsTriggered(bool)));
415
416     // automatic centering
417     m_autoCenteringAct = new QAction(tr("Auto centering"), this);
418     m_autoCenteringAct->setCheckable(true);
419     connect(m_autoCenteringAct, SIGNAL(triggered(bool)),
420         this, SIGNAL(autoCenteringTriggered(bool)));
421
422     // build the actual menu
423     m_viewMenu = menuBar()->addMenu(tr("Main"));
424     m_viewMenu->addAction(m_loginAct);
425     m_viewMenu->addAction(m_toSettingsAct);
426     m_viewMenu->addAction(m_gpsToggleAct);
427     m_viewMenu->addAction(m_autoCenteringAct);
428     m_viewMenu->setObjectName(tr("Menu"));
429 }
430
431 void MainWindow::dialogFinished(int status)
432 {
433     qDebug() << __PRETTY_FUNCTION__;
434
435     QDialog *dialog = m_queue.takeFirst();
436     LoginDialog *loginDialog = qobject_cast<LoginDialog *>(dialog);
437     if(loginDialog) {
438         if(status != 0) {
439             buildWebView();
440             loginDialog->userInput(m_email, m_password);
441
442             QStringList urlParts;
443             urlParts.append(FACEBOOK_LOGINBASE);
444             urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
445             urlParts.append(INTERVAL1);
446             urlParts.append(SITUARE_LOGIN_SUCCESS);
447             urlParts.append(INTERVAL2);
448             urlParts.append(SITUARE_LOGIN_FAILURE);
449             urlParts.append(FACEBOOK_LOGIN_ENDING);
450
451             emit saveUsername(m_email);
452             m_refresh = true;
453             m_webView->load(QUrl(urlParts.join(EMPTY)));
454             toggleProgressIndicator(true);
455         } else {
456             emit cancelLoginProcess();
457         }
458     }
459
460     dialog->deleteLater();
461
462     if(!m_error_queue.isEmpty() && m_errorShown == false) {
463         showErrorInformationBox();
464     } else {
465         if(!m_queue.isEmpty()) {
466             showInformationBox();
467         }
468     }
469 }
470
471 void MainWindow::drawFullScreenButton(const QSize &size)
472 {
473     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
474
475     if(m_fullScreenButton) {
476         if(m_loggedIn) {
477             m_fullScreenButton->move(size.width() - m_fullScreenButton->size().width()
478                                      - PANEL_PEEK_AMOUNT,
479                                      size.height() - m_fullScreenButton->size().height());
480         } else {
481             m_fullScreenButton->move(size.width() - m_fullScreenButton->size().width(),
482                                      size.height() - m_fullScreenButton->size().height());
483         }
484     }
485 }
486
487 void MainWindow::drawMapScale(const QSize &size)
488 {
489     const int LEFT_SCALE_MARGIN = 10;
490     const int BOTTOM_SCALE_MARGIN = 2;
491     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
492
493     m_mapScale->move(PANEL_PEEK_AMOUNT + LEFT_SCALE_MARGIN,
494                      size.height() - m_mapScale->size().height() - BOTTOM_SCALE_MARGIN);
495 }
496
497 void MainWindow::drawOsmLicense(const QSize &size)
498 {
499     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
500
501     m_osmLicense->move(size.width() - m_osmLicense->fontMetrics().width(OSM_LICENSE)
502                        - PANEL_PEEK_AMOUNT,
503                        size.height() - m_osmLicense->fontMetrics().height());
504 }
505
506 void MainWindow::drawOwnLocationCrosshair(const QSize &size)
507 {
508     qDebug() << __PRETTY_FUNCTION__;
509
510     if (m_drawOwnLocationCrosshair && m_ownLocationCrosshair != 0) {
511         m_ownLocationCrosshair->move(size.width()/2 - m_ownLocationCrosshair->pixmap()->width()/2,
512                             size.height()/2 - m_ownLocationCrosshair->pixmap()->height()/2);
513     }
514 }
515
516 void MainWindow::errorDialogFinished(int status)
517 {
518     qDebug() << __PRETTY_FUNCTION__;
519
520     qDebug() << status;
521     QDialog *dialog = m_error_queue.takeFirst();
522
523     dialog->deleteLater();
524     m_errorShown = false;
525
526     if(!m_error_queue.isEmpty())
527         showErrorInformationBox();
528     else if(!m_queue.isEmpty())
529         showInformationBox();
530 }
531
532 void MainWindow::gpsTimeout()
533 {
534     qDebug() << __PRETTY_FUNCTION__;
535
536     buildInformationBox(tr("GPS timeout"));
537 }
538
539 void MainWindow::grabZoomKeys(bool grab)
540 {
541     qDebug() << __PRETTY_FUNCTION__;
542
543 #ifdef Q_WS_MAEMO_5
544     // Can't grab keys unless we have a window id
545     if (!winId())
546         return;
547
548     unsigned long val = (grab) ? 1 : 0;
549     Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
550     if (!atom)
551         return;
552
553     XChangeProperty (QX11Info::display(),
554                      winId(),
555                      atom,
556                      XA_INTEGER,
557                      32,
558                      PropModeReplace,
559                      reinterpret_cast<unsigned char *>(&val),
560                      1);
561 #else
562     Q_UNUSED(grab);
563 #endif // Q_WS_MAEMO_5
564 }
565
566 void MainWindow::keyPressEvent(QKeyEvent* event)
567 {
568     qDebug() << __PRETTY_FUNCTION__;
569
570     switch (event->key()) {
571     case Qt::Key_F7:
572         event->accept();
573         emit zoomIn();
574         break;
575
576     case Qt::Key_F8:
577         event->accept();
578         emit zoomOut();
579         break;
580     }
581     QWidget::keyPressEvent(event);
582 }
583
584 void MainWindow::loadCookies()
585 {
586     qDebug() << __PRETTY_FUNCTION__;
587
588     QSettings settings(DIRECTORY_NAME, FILE_NAME);
589
590     QStringList list = settings.value(COOKIES, EMPTY).toStringList();
591
592     if(!list.isEmpty()) {
593         QList<QNetworkCookie> cookieList;
594         for(int i=0;i<list.count();i++) {
595             cookieList.append(QNetworkCookie::parseCookies(list.at(i).toAscii()));
596         }
597
598         if(!m_cookieJar)
599                m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
600
601         m_cookieJar->setAllCookies(cookieList);
602         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
603
604     }
605 }
606
607 void MainWindow::loadDone(bool done)
608 {
609     qDebug() << __PRETTY_FUNCTION__;
610
611     // for the first time the login page is opened, we need to refresh it to get cookies working
612     if(m_refresh) {
613         m_webView->reload();
614         m_refresh = false;
615     }
616
617     if (done)
618     {
619         QWebFrame* frame = m_webView->page()->currentFrame();
620         if (frame!=NULL)
621         {
622             // set email box
623             QWebElementCollection emailCollection = frame->findAllElements("input[name=email]");
624
625             foreach (QWebElement element, emailCollection) {
626                 element.setAttribute("value", m_email.toAscii());
627             }
628             // set password box
629             QWebElementCollection passwordCollection = frame->findAllElements("input[name=pass]");
630             foreach (QWebElement element, passwordCollection) {
631                 element.setAttribute("value", m_password.toAscii());
632             }
633             // find connect button
634             QWebElementCollection buttonCollection = frame->findAllElements("input[name=login]");
635             foreach (QWebElement element, buttonCollection)
636             {
637                 QPoint pos(element.geometry().center());
638
639                 // send a mouse click event to the web page
640                 QMouseEvent event0(QEvent::MouseButtonPress, pos, Qt::LeftButton, Qt::LeftButton,
641                                    Qt::NoModifier);
642                 QApplication::sendEvent(m_webView->page(), &event0);
643                 QMouseEvent event1(QEvent::MouseButtonRelease, pos, Qt::LeftButton, Qt::LeftButton,
644                                    Qt::NoModifier);
645                 QApplication::sendEvent(m_webView->page(), &event1);
646             }
647         }
648     }
649 }
650
651 void MainWindow::loggedIn(bool logged)
652 {
653     qDebug() << __PRETTY_FUNCTION__;
654
655     m_loggedIn = logged;
656
657     if(logged) {
658         m_loginAct->setText(tr("Logout"));
659     } else {
660         clearCookieJar();
661         m_email.clear();
662         m_password.clear();
663
664         m_loginAct->setText(tr("Login"));
665     }
666     updateItemVisibility();
667 }
668
669 void MainWindow::loginFailed()
670 {
671     qDebug() << __PRETTY_FUNCTION__;
672
673     clearCookieJar();
674     startLoginProcess();
675 }
676
677 bool MainWindow::loginState()
678 {
679     qDebug() << __PRETTY_FUNCTION__;
680
681     return m_loggedIn;
682 }
683
684 void MainWindow::loginUsingCookies()
685 {
686     qDebug() << __PRETTY_FUNCTION__;
687
688     toggleProgressIndicator(true);
689
690     buildWebView();
691     loadCookies();
692     
693     QStringList urlParts;
694     urlParts.append(FACEBOOK_LOGINBASE);
695     urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
696     urlParts.append(INTERVAL1);
697     urlParts.append(SITUARE_LOGIN_SUCCESS);
698     urlParts.append(INTERVAL2);
699     urlParts.append(SITUARE_LOGIN_FAILURE);
700     urlParts.append(FACEBOOK_LOGIN_ENDING);
701
702     m_webView->load(QUrl(urlParts.join(EMPTY)));
703
704 }
705
706 void MainWindow::openSettingsDialog()
707 {
708     qDebug() << __PRETTY_FUNCTION__;
709
710     SettingsDialog *settingsDialog = new SettingsDialog(this);
711     settingsDialog->enableSituareSettings((m_loggedIn && m_gpsToggleAct->isChecked()));
712     connect(settingsDialog, SIGNAL(accepted()), this, SLOT(settingsDialogAccepted()));
713
714     settingsDialog->show();
715 }
716
717 void MainWindow::readAutomaticLocationUpdateSettings()
718 {
719     qDebug() << __PRETTY_FUNCTION__;
720
721     QSettings settings(DIRECTORY_NAME, FILE_NAME);
722     bool automaticUpdateEnabled = settings.value(SETTINGS_AUTOMATIC_UPDATE_ENABLED, false).toBool();
723     QTime automaticUpdateInterval = settings.value(SETTINGS_AUTOMATIC_UPDATE_INTERVAL, QTime())
724                                       .toTime();
725
726     if (automaticUpdateEnabled && automaticUpdateInterval.isValid()) {
727         QTime time;
728         emit enableAutomaticLocationUpdate(true, time.msecsTo(automaticUpdateInterval));
729     } else {
730         emit enableAutomaticLocationUpdate(false);
731     }
732 }
733
734 void MainWindow::queueDialog(QDialog *dialog)
735 {
736     qDebug() << __PRETTY_FUNCTION__;
737
738     // check is dialog is modal, for now all modal dialogs have hihger priority i.e. errors
739     if(dialog->isModal()) {
740         m_error_queue.append(dialog);
741     } else {
742         m_queue.append(dialog);
743     }
744
745     // show error dialog if there is only one error dialog in the queue and no error dialog is shown
746     if(m_error_queue.count() == 1 && m_errorShown == false)
747         showErrorInformationBox();
748     else if(m_queue.count() == 1 && m_errorShown == false)
749         showInformationBox();
750 }
751
752 void MainWindow::saveCookies()
753 {
754     qDebug() << __PRETTY_FUNCTION__;
755
756     if(!m_cookieJar)
757         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
758
759     QList<QNetworkCookie> cookieList = m_cookieJar->allCookies();
760     QStringList list;
761
762     for(int i=0;i<cookieList.count();i++) {
763         QNetworkCookie cookie = cookieList.at(i);
764         QByteArray byteArray = cookie.toRawForm(QNetworkCookie::Full);
765         list.append(QString(byteArray));
766     }
767     list.removeDuplicates();
768
769     QSettings settings(DIRECTORY_NAME, FILE_NAME);
770     settings.setValue(COOKIES, list);
771 }
772
773 void MainWindow::setAutoCenteringButtonEnabled(bool enabled)
774 {
775     qDebug() << __PRETTY_FUNCTION__;
776
777     m_autoCenteringAct->setChecked(enabled);
778 }
779
780 void MainWindow::setGPSButtonEnabled(bool enabled)
781 {
782     qDebug() << __PRETTY_FUNCTION__;
783
784     m_gpsToggleAct->setChecked(enabled);
785
786     setOwnLocationCrosshairVisibility(!enabled);
787
788     m_autoCenteringAct->setVisible(enabled);
789 }
790
791 void MainWindow::setMapViewScene(QGraphicsScene *scene)
792 {
793     qDebug() << __PRETTY_FUNCTION__;
794
795     m_mapView->setScene(scene);
796 }
797
798 void MainWindow::setOwnLocationCrosshairVisibility(bool visibility)
799 {
800     qDebug() << __PRETTY_FUNCTION__;
801
802     if (visibility && m_loggedIn) {
803         m_ownLocationCrosshair->show();
804         m_drawOwnLocationCrosshair = true;
805         drawOwnLocationCrosshair(m_viewPortSize);
806     } else {
807         m_ownLocationCrosshair->hide();
808         m_drawOwnLocationCrosshair = false;
809     }
810 }
811
812 void MainWindow::settingsDialogAccepted()
813 {
814     qDebug() << __PRETTY_FUNCTION__;
815
816     readAutomaticLocationUpdateSettings();
817 }
818
819 void MainWindow::setUsername(const QString &username)
820 {
821     qDebug() << __PRETTY_FUNCTION__;
822
823     m_email = username;
824 }
825
826 void MainWindow::setViewPortSize(const QSize &size)
827 {
828     qDebug() << __PRETTY_FUNCTION__;
829
830     m_viewPortSize = size;
831 }
832
833 void MainWindow::showEnableAutomaticUpdateLocationDialog(const QString &text)
834 {
835     qDebug() << __PRETTY_FUNCTION__;
836
837     m_automaticUpdateLocationDialog = new QMessageBox(QMessageBox::Question,
838                                                       tr("Automatic location update"), text,
839                                                       QMessageBox::Yes | QMessageBox::No |
840                                                       QMessageBox::Cancel, this);
841     connect(m_automaticUpdateLocationDialog, SIGNAL(finished(int)),
842             this, SLOT(automaticUpdateDialogFinished(int)));
843
844     m_automaticUpdateLocationDialog->show();
845 }
846
847 void MainWindow::toggleFullScreen()
848 {
849     qDebug() << __PRETTY_FUNCTION__;
850
851     if(windowState() == Qt::WindowNoState)
852         showFullScreen();
853     else
854         showNormal();
855 }
856
857 void MainWindow::showErrorInformationBox()
858 {
859     qDebug() << __PRETTY_FUNCTION__;
860
861     if(m_error_queue.count()) {
862         m_errorShown = true;
863         QDialog *dialog = m_error_queue.first();
864         connect(dialog, SIGNAL(finished(int)),
865                 this, SLOT(errorDialogFinished(int)));
866         dialog->show();
867     }
868 }
869
870 void MainWindow::showInformationBox()
871 {
872     qDebug() << __PRETTY_FUNCTION__;
873
874     if(m_queue.count()) {
875         QDialog *dialog = m_queue.first();
876         connect(dialog, SIGNAL(finished(int)),
877                 this, SLOT(dialogFinished(int)));
878         dialog->show();
879     }
880 }
881
882 void MainWindow::showPanels()
883 {
884     qDebug() << __PRETTY_FUNCTION__;
885
886     drawFullScreenButton(m_viewPortSize);
887
888     if(m_loggedIn) {
889         if(!m_friendsListPanel->isVisible()) {
890             m_friendsListPanel->show();
891             m_friendsListPanelSidebar->show();
892         }
893
894         if(!m_userPanel->isVisible()) {
895             m_userPanel->show();
896             m_userPanelSidebar->show();
897         }
898     }
899 }
900
901 void MainWindow::startLoginProcess()
902 {
903     qDebug() << __PRETTY_FUNCTION__;
904
905     LoginDialog *loginDialog = new LoginDialog();
906
907     emit fetchUsernameFromSettings();
908
909     loginDialog->clearTextFields();
910
911     if(!m_email.isEmpty())
912         loginDialog->setEmailField(m_email);
913
914     queueDialog(loginDialog);
915 }
916
917 void MainWindow::toggleProgressIndicator(bool value)
918 {
919     qDebug() << __PRETTY_FUNCTION__;
920
921 #ifdef Q_WS_MAEMO_5
922     if(value) {
923         m_progressIndicatorCount++;
924         setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
925     } else {
926         if(m_progressIndicatorCount > 0)
927             m_progressIndicatorCount--;
928
929         if(m_progressIndicatorCount == 0)
930             setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
931     }
932 #else
933     Q_UNUSED(value);
934 #endif // Q_WS_MAEMO_5
935 }
936
937 void MainWindow::updateItemVisibility()
938 {
939     qDebug() << __PRETTY_FUNCTION__;
940     
941     if(m_loggedIn) {       
942
943         if(!m_gpsToggleAct->isChecked())
944             setOwnLocationCrosshairVisibility(true);
945     } else {
946         m_friendsListPanel->closePanel();
947         m_friendsListPanel->hide();
948         m_friendsListPanelSidebar->hide();
949         m_userPanel->closePanel();
950         m_userPanel->hide();
951         m_userPanelSidebar->hide();
952         setOwnLocationCrosshairVisibility(false);
953     }
954 }
955
956 const QString MainWindow::username()
957 {
958     qDebug() << __PRETTY_FUNCTION__;
959     
960     return m_email;
961 }
962
963 void MainWindow::webViewRequestFinished(QNetworkReply *reply)
964 {
965     qDebug() << __PRETTY_FUNCTION__;
966
967     // omit QNetworkReply::OperationCanceledError due to it's nature to be called when ever
968     // qwebview starts to load a new page while the current page loading is not finished
969     if(reply->error() != QNetworkReply::OperationCanceledError &&
970        reply->error() != QNetworkReply::NoError) {
971         emit error(ErrorContext::NETWORK, reply->error());
972     }
973 }
974