Reviewed panels
[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       Katri Kaikkonen - katri.kaikkonen@ixonos.com
11
12    Situare is free software; you can redistribute it and/or
13    modify it under the terms of the GNU General Public License
14    version 2 as published by the Free Software Foundation.
15
16    Situare is distributed in the hope that it will be useful,
17    but WITHOUT ANY WARRANTY; without even the implied warranty of
18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19    GNU General Public License for more details.
20
21    You should have received a copy of the GNU General Public License
22    along with Situare; if not, write to the Free Software
23    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
24    USA.
25 */
26
27 #include <QAction>
28 #include <QApplication>
29 #include <QMenuBar>
30 #include <QMessageBox>
31 #include <QtAlgorithms>
32 #include <QtWebKit>
33
34 ///< @todo sort
35 #include "facebookservice/facebookauthentication.h"
36 #include "map/mapcommon.h"
37 #include "map/mapview.h"
38 #include "common.h"
39 #include "error.h"
40 #include "friendlistpanel.h"
41 #include "fullscreenbutton.h"
42 #include "indicatorbuttonpanel.h"
43 #include "logindialog.h"
44 #include "mapscale.h"
45 #include "panelcommon.h"
46 #include "tabbedpanel.h"
47 #include "searchdialog.h"
48 #include "settingsdialog.h"
49 #include "userinfopanel.h"
50 #include "zoombuttonpanel.h"
51
52 #include "mainwindow.h"
53
54 // These MUST BE HERE, compiling for Maemo fails if moved
55 #ifdef Q_WS_MAEMO_5
56 #include <QtMaemo5/QMaemo5InformationBox>
57 #include <QtGui/QX11Info>
58 #include <X11/Xatom.h>
59 #include <X11/Xlib.h>
60 #endif // Q_WS_MAEMO_5
61
62 MainWindow::MainWindow(QWidget *parent)
63     : QMainWindow(parent),
64       m_errorShown(false),
65       m_loggedIn(false),
66       m_refresh(false),
67       m_progressIndicatorCount(0),
68       m_ownLocationCrosshair(0),
69       m_email(), ///< @todo WTF?!?!?!?
70       m_password(),
71       m_webView(0),
72       m_fullScreenButton(0),
73       m_indicatorButtonPanel(0),
74       m_mapScale(0),
75       m_cookieJar(0)
76 {
77     qDebug() << __PRETTY_FUNCTION__;
78
79     buildMap();
80
81     // build main layout
82     QHBoxLayout *layout = new QHBoxLayout;
83     layout->addWidget(m_mapView);
84     layout->setMargin(0);
85     layout->setSpacing(0);
86
87     setCentralWidget(new QWidget());
88     centralWidget()->setLayout(layout);
89
90     buildPanels();
91
92     createMenus();
93     setWindowTitle(tr("Situare"));
94
95     // set stacking order of widgets
96     m_zoomButtonPanel->stackUnder(m_tabbedPanel);
97     if(m_fullScreenButton) {
98         m_fullScreenButton->stackUnder(m_zoomButtonPanel);
99         m_osmLicense->stackUnder(m_fullScreenButton);
100     } else {
101         m_osmLicense->stackUnder(m_zoomButtonPanel);
102     }
103     m_ownLocationCrosshair->stackUnder(m_osmLicense);
104     m_indicatorButtonPanel->stackUnder(m_ownLocationCrosshair);
105     m_mapScale->stackUnder(m_indicatorButtonPanel);
106     m_mapView->stackUnder(m_mapScale);
107
108     grabZoomKeys(true);
109
110     // Set default screen size
111     resize(DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT);
112 #ifdef Q_WS_MAEMO_5
113     setAttribute(Qt::WA_Maemo5StackedWindow);
114 #endif
115 }
116
117 MainWindow::~MainWindow()
118 {
119     qDebug() << __PRETTY_FUNCTION__;
120
121     grabZoomKeys(false);
122
123     if(m_webView)
124         delete m_webView;
125
126     qDeleteAll(m_queue.begin(), m_queue.end());
127     m_queue.clear();
128
129     qDeleteAll(m_error_queue.begin(), m_error_queue.end());
130     m_error_queue.clear();
131 }
132
133 void MainWindow::automaticUpdateDialogFinished(int result)
134 {
135     qDebug() << __PRETTY_FUNCTION__;
136
137     if (result == QMessageBox::Yes) {
138         readAutomaticLocationUpdateSettings();
139     } else {
140         QSettings settings(DIRECTORY_NAME, FILE_NAME);
141         settings.setValue(SETTINGS_AUTOMATIC_UPDATE_ENABLED, false);
142         readAutomaticLocationUpdateSettings();
143     }
144
145     m_automaticUpdateLocationDialog->deleteLater();
146 }
147
148 void MainWindow::buildFullScreenButton()
149 {
150     qDebug() << __PRETTY_FUNCTION__;
151
152 #ifdef Q_WS_MAEMO_5
153     m_fullScreenButton = new FullScreenButton(this);
154
155     if (m_fullScreenButton) {
156         connect(m_fullScreenButton, SIGNAL(clicked()),
157                 this, SLOT(toggleFullScreen()));
158
159         connect(qApp, SIGNAL(showFullScreenButton()),
160                 m_fullScreenButton, SLOT(invoke()));
161     }
162 #endif // Q_WS_MAEMO_5
163 }
164
165 void MainWindow::buildFriendListPanel()
166 {
167     qDebug() << __PRETTY_FUNCTION__;
168
169     m_friendsListPanel = new FriendListPanel(this);
170
171     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
172             m_friendsListPanel, SLOT(friendInfoReceived(QList<User*>&)));
173
174     connect(this, SIGNAL(locationItemClicked(QList<QString>)),
175             m_friendsListPanel, SLOT(showFriendsInList(QList<QString>)));
176
177     connect(m_friendsListPanel, SIGNAL(findFriend(GeoCoordinate)),
178             this, SIGNAL(findFriend(GeoCoordinate)));
179
180     connect(this, SIGNAL(friendImageReady(User*)),
181             m_friendsListPanel, SLOT(friendImageReady(User*)));
182 }
183
184 void MainWindow::buildIndicatorButtonPanel()
185 {
186     qDebug() << __PRETTY_FUNCTION__;
187
188     m_indicatorButtonPanel = new IndicatorButtonPanel(this);
189
190     connect(m_indicatorButtonPanel, SIGNAL(autoCenteringTriggered(bool)),
191         this, SIGNAL(autoCenteringTriggered(bool)));
192
193     connect(m_mapView, SIGNAL(viewResized(QSize)),
194             m_indicatorButtonPanel, SLOT(screenResized(QSize)));
195
196     connect(this, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)),
197             m_indicatorButtonPanel, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)));
198
199     connect(m_indicatorButtonPanel, SIGNAL(draggingModeTriggered()),
200             this, SIGNAL(draggingModeTriggered()));
201 }
202
203 void MainWindow::buildInformationBox(const QString &message, bool modal)
204 {
205     qDebug() << __PRETTY_FUNCTION__;
206
207     QString errorMessage = message;
208
209 #ifdef Q_WS_MAEMO_5
210
211     QMaemo5InformationBox *msgBox = new QMaemo5InformationBox(this);
212
213     if(modal) {
214         msgBox->setTimeout(QMaemo5InformationBox::NoTimeout);
215         // extra line changes are needed to make error notes broader
216         errorMessage.prepend("\n");
217         errorMessage.append("\n");
218     } else {
219         msgBox->setTimeout(QMaemo5InformationBox::DefaultTimeout);
220     }
221     QLabel *label = new QLabel(msgBox);
222     label->setAlignment(Qt::AlignCenter);
223     label->setText(errorMessage);
224     msgBox->setWidget(label);
225 #else
226     QMessageBox *msgBox = new QMessageBox(this);
227     msgBox->button(QMessageBox::Ok);
228     msgBox->setText(errorMessage);
229     msgBox->setModal(modal);
230 #endif
231
232     queueDialog(msgBox);
233 }
234
235 void MainWindow::buildManualLocationCrosshair()
236 {
237     qDebug() << __PRETTY_FUNCTION__;
238
239     m_ownLocationCrosshair = new QLabel(this);
240     QPixmap crosshairImage(":/res/images/sight.png");
241     m_ownLocationCrosshair->setPixmap(crosshairImage);
242     m_ownLocationCrosshair->setFixedSize(crosshairImage.size());
243     m_ownLocationCrosshair->hide();
244     m_ownLocationCrosshair->setAttribute(Qt::WA_TransparentForMouseEvents, true);
245
246     connect(m_mapView, SIGNAL(viewResized(QSize)),
247             this, SLOT(drawOwnLocationCrosshair(QSize)));
248 }
249
250 void MainWindow::buildMap()
251 {
252     qDebug() << __PRETTY_FUNCTION__;
253
254     m_mapView = new MapView(this);
255
256     buildZoomButtonPanel();
257     buildOsmLicense();
258     buildManualLocationCrosshair();
259     buildFullScreenButton();
260     buildIndicatorButtonPanel();
261     buildMapScale();
262
263     connect(m_mapView, SIGNAL(viewScrolled(SceneCoordinate)),
264             this, SIGNAL(mapViewScrolled(SceneCoordinate)));
265
266     connect(this, SIGNAL(centerToSceneCoordinates(SceneCoordinate)),
267             m_mapView, SLOT(centerToSceneCoordinates(SceneCoordinate)));
268
269     connect(m_mapView, SIGNAL(viewResized(QSize)),
270             this, SIGNAL(mapViewResized(QSize)));
271
272     connect(m_mapView, SIGNAL(viewResized(QSize)),
273             this, SLOT(drawFullScreenButton(QSize)));
274
275     connect(m_mapView, SIGNAL(viewResized(QSize)),
276             this, SLOT(drawMapScale(QSize)));
277
278     connect(m_mapView, SIGNAL(viewResized(QSize)),
279              this, SLOT(setViewPortSize(QSize)));
280
281     connect(this, SIGNAL(zoomLevelChanged(int)),
282             m_mapView, SLOT(setZoomLevel(int)));
283
284     connect(m_mapView, SIGNAL(viewZoomFinished()),
285             this, SIGNAL(viewZoomFinished()));
286
287     connect(m_mapView, SIGNAL(zoomIn()),
288             this, SIGNAL(zoomIn()));
289 }
290
291 void MainWindow::buildMapScale()
292 {
293     m_mapScale = new MapScale(this);
294     connect(this, SIGNAL(newMapResolution(qreal)),
295             m_mapScale, SLOT(updateMapResolution(qreal)));
296 }
297
298 void MainWindow::buildOsmLicense()
299 {
300     qDebug() << __PRETTY_FUNCTION__;
301
302     m_osmLicense = new QLabel(this);
303     m_osmLicense->setAttribute(Qt::WA_TranslucentBackground, true);
304     m_osmLicense->setAttribute(Qt::WA_TransparentForMouseEvents, true);
305     m_osmLicense->setText("<font color='black'>" + OSM_LICENSE + "</font>");
306     m_osmLicense->setFont(QFont("Nokia Sans", 9));
307     m_osmLicense->resize(m_osmLicense->fontMetrics().width(OSM_LICENSE),
308                          m_osmLicense->fontMetrics().height());
309
310     connect(m_mapView, SIGNAL(viewResized(QSize)),
311             this, SLOT(drawOsmLicense(QSize)));
312 }
313
314 void MainWindow::buildPanels()
315 {
316     qDebug() << __PRETTY_FUNCTION__;
317
318     buildUserInfoPanel();
319     buildFriendListPanel();
320
321     m_tabbedPanel = new TabbedPanel(this);
322     m_tabbedPanel->addTab(m_userInfoPanel, QIcon(":/res/images/user_info.png"));
323     m_tabbedPanel->addTab(m_friendsListPanel, QIcon(":/res/images/friend_list.png"));
324
325     connect(m_tabbedPanel, SIGNAL(tabChanged()),
326             m_friendsListPanel, SLOT(clearFriendListFilter()));
327
328     connect(m_mapView, SIGNAL(viewResized(QSize)),
329             m_tabbedPanel, SLOT(resizePanel(QSize)));
330 }
331
332 void MainWindow::buildUserInfoPanel()
333 {
334     qDebug() << __PRETTY_FUNCTION__;
335
336     m_userInfoPanel = new UserInfoPanel(this);
337
338     connect(this, SIGNAL(userLocationReady(User*)),
339             m_userInfoPanel, SLOT(userDataReceived(User*)));
340
341     connect(this, SIGNAL(reverseGeoReady(QString)),
342             m_userInfoPanel, SIGNAL(reverseGeoReady(QString)));
343
344     connect(this, SIGNAL(clearUpdateLocationDialogData()),
345             m_userInfoPanel, SIGNAL(clearUpdateLocationDialogData()));
346
347     connect(m_userInfoPanel, SIGNAL(findUser(GeoCoordinate)),
348             this, SIGNAL(findUser(GeoCoordinate)));
349
350     connect(m_userInfoPanel, SIGNAL(requestReverseGeo()),
351             this, SIGNAL(requestReverseGeo()));
352
353     connect(m_userInfoPanel, SIGNAL(statusUpdate(QString,bool)),
354             this, SIGNAL(statusUpdate(QString,bool)));
355
356     connect(m_userInfoPanel, SIGNAL(refreshUserData()),
357             this, SIGNAL(refreshUserData()));
358
359     connect(m_userInfoPanel, SIGNAL(notificateUpdateFailing(QString, bool)),
360             this, SLOT(buildInformationBox(QString, bool)));
361 }
362
363 void MainWindow::buildWebView()
364 {
365     qDebug() << __PRETTY_FUNCTION__;
366
367     if(!m_webView) {
368         m_webView = new QWebView;
369
370         if(!m_cookieJar)
371             m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
372
373         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
374
375         connect(m_webView->page()->networkAccessManager(), SIGNAL(finished(QNetworkReply*)),
376                 this, SLOT(webViewRequestFinished(QNetworkReply*)));
377         connect(m_webView, SIGNAL(urlChanged(const QUrl &)),
378                 this, SIGNAL(updateCredentials(QUrl)));
379         connect(m_webView, SIGNAL(loadFinished(bool)),
380                 this, SLOT(loadDone(bool)));
381
382         m_webView->hide();
383     }
384 }
385
386 void MainWindow::buildZoomButtonPanel()
387 {
388     qDebug() << __PRETTY_FUNCTION__;
389
390     m_zoomButtonPanel = new ZoomButtonPanel(this);
391
392     connect(m_zoomButtonPanel->zoomInButton(), SIGNAL(clicked()),
393             this, SIGNAL(zoomIn()));
394
395     connect(m_zoomButtonPanel->zoomOutButton(), SIGNAL(clicked()),
396             this, SIGNAL(zoomOut()));
397
398     connect(this, SIGNAL(zoomLevelChanged(int)),
399             m_zoomButtonPanel, SLOT(resetButtons()));
400
401     connect(this, SIGNAL(maxZoomLevelReached()),
402             m_zoomButtonPanel, SLOT(disableZoomInButton()));
403
404     connect(this, SIGNAL(minZoomLevelReached()),
405             m_zoomButtonPanel, SLOT(disableZoomOutButton()));
406
407     connect(m_mapView, SIGNAL(viewResized(QSize)),
408             m_zoomButtonPanel, SLOT(screenResized(QSize)));
409
410     connect(m_zoomButtonPanel, SIGNAL(draggingModeTriggered()),
411             this, SIGNAL(draggingModeTriggered()));
412 }
413
414 void MainWindow::clearCookieJar()
415 {
416     qDebug() << __PRETTY_FUNCTION__;
417
418     buildWebView();
419
420     m_webView->stop();
421
422     if(!m_cookieJar) {
423         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
424     }
425     QList<QNetworkCookie> emptyList;
426     emptyList.clear();
427
428     m_cookieJar->setAllCookies(emptyList);
429     m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
430 }
431
432 void MainWindow::createMenus()
433 {
434     qDebug() << __PRETTY_FUNCTION__;
435
436     // login/logout
437     m_loginAct = new QAction(tr("Login"), this);
438     connect(m_loginAct, SIGNAL(triggered()),
439             this, SIGNAL(loginActionPressed()));
440
441     // settings
442     m_toSettingsAct = new QAction(tr("Settings"), this);
443     connect(m_toSettingsAct, SIGNAL(triggered()),
444         this, SLOT(openSettingsDialog()));
445
446     // GPS
447     m_gpsToggleAct = new QAction(tr("GPS"), this);
448     m_gpsToggleAct->setCheckable(true);
449
450     connect(m_gpsToggleAct, SIGNAL(triggered(bool)),
451             this, SIGNAL(gpsTriggered(bool)));
452
453     /// @todo remove when not needed!
454     m_searchLocationAct = new QAction(tr("Location search"), this);
455     connect(m_searchLocationAct, SIGNAL(triggered()),
456             this, SLOT(startLocationSearch()));
457
458     // build the actual menu
459     m_viewMenu = menuBar()->addMenu(tr("Main"));
460     m_viewMenu->addAction(m_loginAct);
461     m_viewMenu->addAction(m_toSettingsAct);
462     m_viewMenu->addAction(m_gpsToggleAct);
463     m_viewMenu->addAction(m_searchLocationAct); /// @todo remove when not needed!
464     m_viewMenu->setObjectName(tr("Menu"));
465 }
466
467 void MainWindow::dialogFinished(int status)
468 {
469     qDebug() << __PRETTY_FUNCTION__;
470
471     QDialog *dialog = m_queue.takeFirst();
472     LoginDialog *loginDialog = qobject_cast<LoginDialog *>(dialog);
473     SearchDialog *searchDialog = qobject_cast<SearchDialog *>(dialog);
474     if(loginDialog) {
475         if(status != 0) {
476             buildWebView();
477             loginDialog->userInput(m_email, m_password);
478
479             QStringList urlParts;
480             urlParts.append(FACEBOOK_LOGINBASE);
481             urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
482             urlParts.append(INTERVAL1);
483             urlParts.append(SITUARE_LOGIN_SUCCESS);
484             urlParts.append(INTERVAL2);
485             urlParts.append(SITUARE_LOGIN_FAILURE);
486             urlParts.append(FACEBOOK_LOGIN_ENDING);
487
488             emit saveUsername(m_email);
489             m_refresh = true;
490             m_webView->load(QUrl(urlParts.join(EMPTY)));
491             toggleProgressIndicator(true);
492         } else {
493             emit cancelLoginProcess();
494         }
495     } else if(searchDialog) {
496         if(status != 0) {
497             emit searchForLocation(searchDialog->input());
498         }
499     }
500
501     dialog->deleteLater();
502
503     if(!m_error_queue.isEmpty() && m_errorShown == false) {
504         showErrorInformationBox();
505     } else {
506         if(!m_queue.isEmpty()) {
507             showInformationBox();
508         }
509     }
510 }
511
512 void MainWindow::drawFullScreenButton(const QSize &size)
513 {
514     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
515
516     if (m_fullScreenButton) {
517         m_fullScreenButton->move(size.width() - m_fullScreenButton->size().width(),
518                                  size.height() - m_fullScreenButton->size().height());
519     }
520 }
521
522 void MainWindow::drawMapScale(const QSize &size)
523 {
524     qDebug() << __PRETTY_FUNCTION__;
525
526     const int LEFT_SCALE_MARGIN = 10;
527     const int BOTTOM_SCALE_MARGIN = 2;
528
529     m_mapScale->move(LEFT_SCALE_MARGIN,
530                      size.height() - m_mapScale->size().height() - BOTTOM_SCALE_MARGIN);
531 }
532
533 void MainWindow::drawOsmLicense(const QSize &size)
534 {
535     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
536
537     m_osmLicense->move(size.width() - m_osmLicense->fontMetrics().width(OSM_LICENSE)
538                        - PANEL_BAR_WIDTH,
539                        size.height() - m_osmLicense->fontMetrics().height());
540 }
541
542 void MainWindow::drawOwnLocationCrosshair(const QSize &size)
543 {
544     qDebug() << __PRETTY_FUNCTION__;
545
546     if (m_ownLocationCrosshair != 0) {
547         m_ownLocationCrosshair->move(size.width()/2 - m_ownLocationCrosshair->pixmap()->width()/2,
548                             size.height()/2 - m_ownLocationCrosshair->pixmap()->height()/2);
549     }
550 }
551
552 void MainWindow::errorDialogFinished(int status)
553 {
554     qDebug() << __PRETTY_FUNCTION__;
555
556     qDebug() << status;
557     QDialog *dialog = m_error_queue.takeFirst();
558
559     dialog->deleteLater();
560     m_errorShown = false;
561
562     if(!m_error_queue.isEmpty())
563         showErrorInformationBox();
564     else if(!m_queue.isEmpty())
565         showInformationBox();
566 }
567
568 void MainWindow::gpsTimeout()
569 {
570     qDebug() << __PRETTY_FUNCTION__;
571
572     buildInformationBox(tr("GPS timeout"));
573 }
574
575 void MainWindow::grabZoomKeys(bool grab)
576 {
577     qDebug() << __PRETTY_FUNCTION__;
578
579 #ifdef Q_WS_MAEMO_5
580     // Can't grab keys unless we have a window id
581     if (!winId())
582         return;
583
584     unsigned long val = (grab) ? 1 : 0;
585     Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
586     if (!atom)
587         return;
588
589     XChangeProperty (QX11Info::display(),
590                      winId(),
591                      atom,
592                      XA_INTEGER,
593                      32,
594                      PropModeReplace,
595                      reinterpret_cast<unsigned char *>(&val),
596                      1);
597 #else
598     Q_UNUSED(grab);
599 #endif // Q_WS_MAEMO_5
600 }
601
602 void MainWindow::keyPressEvent(QKeyEvent* event)
603 {
604     qDebug() << __PRETTY_FUNCTION__;
605
606     switch (event->key()) {
607     case Qt::Key_F7:
608         event->accept();
609         emit zoomIn();
610         break;
611
612     case Qt::Key_F8:
613         event->accept();
614         emit zoomOut();
615         break;
616     }
617     QWidget::keyPressEvent(event);
618 }
619
620 void MainWindow::loadCookies()
621 {
622     qDebug() << __PRETTY_FUNCTION__;
623
624     QSettings settings(DIRECTORY_NAME, FILE_NAME);
625
626     QStringList list = settings.value(COOKIES, EMPTY).toStringList();
627
628     if(!list.isEmpty()) {
629         QList<QNetworkCookie> cookieList;
630         for(int i=0;i<list.count();i++) {
631             cookieList.append(QNetworkCookie::parseCookies(list.at(i).toAscii()));
632         }
633
634         if(!m_cookieJar)
635                m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
636
637         m_cookieJar->setAllCookies(cookieList);
638         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
639     }
640 }
641
642 void MainWindow::loadDone(bool done)
643 {
644     qDebug() << __PRETTY_FUNCTION__;
645
646     // for the first time the login page is opened, we need to refresh it to get cookies working
647     if(m_refresh) {
648         m_webView->reload();
649         m_refresh = false;
650     }
651
652     if (done)
653     {
654         QWebFrame* frame = m_webView->page()->currentFrame();
655         if (frame!=NULL)
656         {
657             // set email box
658             QWebElementCollection emailCollection = frame->findAllElements("input[name=email]");
659
660             foreach (QWebElement element, emailCollection) {
661                 element.setAttribute("value", m_email.toAscii());
662             }
663             // set password box
664             QWebElementCollection passwordCollection = frame->findAllElements("input[name=pass]");
665             foreach (QWebElement element, passwordCollection) {
666                 element.setAttribute("value", m_password.toAscii());
667             }
668             // find connect button
669             QWebElementCollection buttonCollection = frame->findAllElements("input[name=login]");
670             foreach (QWebElement element, buttonCollection)
671             {
672                 QPoint pos(element.geometry().center());
673
674                 // send a mouse click event to the web page
675                 QMouseEvent event0(QEvent::MouseButtonPress, pos, Qt::LeftButton, Qt::LeftButton,
676                                    Qt::NoModifier);
677                 QApplication::sendEvent(m_webView->page(), &event0);
678                 QMouseEvent event1(QEvent::MouseButtonRelease, pos, Qt::LeftButton, Qt::LeftButton,
679                                    Qt::NoModifier);
680                 QApplication::sendEvent(m_webView->page(), &event1);
681             }
682         }
683     }
684 }
685
686 void MainWindow::loggedIn(bool logged)
687 {
688     qDebug() << __PRETTY_FUNCTION__;
689
690     m_loggedIn = logged;
691
692     if(logged) {
693         m_loginAct->setText(tr("Logout"));
694     } else {
695         clearCookieJar();
696         m_email.clear();
697         m_password.clear();
698
699         m_loginAct->setText(tr("Login"));
700     }
701     updateItemVisibility();
702 }
703
704 void MainWindow::loginFailed()
705 {
706     qDebug() << __PRETTY_FUNCTION__;
707
708     clearCookieJar();
709     startLoginProcess();
710 }
711
712 bool MainWindow::loginState()
713 {
714     qDebug() << __PRETTY_FUNCTION__;
715
716     return m_loggedIn;
717 }
718
719 void MainWindow::loginUsingCookies()
720 {
721     qDebug() << __PRETTY_FUNCTION__;
722
723     toggleProgressIndicator(true);
724
725     buildWebView();
726     loadCookies();
727
728     QStringList urlParts;
729     urlParts.append(FACEBOOK_LOGINBASE);
730     urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
731     urlParts.append(INTERVAL1);
732     urlParts.append(SITUARE_LOGIN_SUCCESS);
733     urlParts.append(INTERVAL2);
734     urlParts.append(SITUARE_LOGIN_FAILURE);
735     urlParts.append(FACEBOOK_LOGIN_ENDING);
736
737     m_webView->load(QUrl(urlParts.join(EMPTY)));
738
739 }
740
741 void MainWindow::openSettingsDialog()
742 {
743     qDebug() << __PRETTY_FUNCTION__;
744
745     SettingsDialog *settingsDialog = new SettingsDialog(this);
746     settingsDialog->enableSituareSettings((m_loggedIn && m_gpsToggleAct->isChecked()));
747     connect(settingsDialog, SIGNAL(accepted()), this, SLOT(settingsDialogAccepted()));
748
749     settingsDialog->show();
750 }
751
752 void MainWindow::readAutomaticLocationUpdateSettings()
753 {
754     qDebug() << __PRETTY_FUNCTION__;
755
756     QSettings settings(DIRECTORY_NAME, FILE_NAME);
757     bool automaticUpdateEnabled = settings.value(SETTINGS_AUTOMATIC_UPDATE_ENABLED, false).toBool();
758     QTime automaticUpdateInterval = settings.value(SETTINGS_AUTOMATIC_UPDATE_INTERVAL, QTime())
759                                       .toTime();
760
761     if (automaticUpdateEnabled && automaticUpdateInterval.isValid()) {
762         QTime time;
763         emit enableAutomaticLocationUpdate(true, time.msecsTo(automaticUpdateInterval));
764     } else {
765         emit enableAutomaticLocationUpdate(false);
766     }
767 }
768
769 void MainWindow::queueDialog(QDialog *dialog)
770 {
771     qDebug() << __PRETTY_FUNCTION__;
772
773     // check is dialog is modal, for now all modal dialogs have hihger priority i.e. errors
774     if(dialog->isModal()) {
775         m_error_queue.append(dialog);
776     } else {
777         m_queue.append(dialog);
778     }
779
780     // show error dialog if there is only one error dialog in the queue and no error dialog is shown
781     if(m_error_queue.count() == 1 && m_errorShown == false)
782         showErrorInformationBox();
783     else if(m_queue.count() == 1 && m_errorShown == false)
784         showInformationBox();
785 }
786
787 void MainWindow::saveCookies()
788 {
789     qDebug() << __PRETTY_FUNCTION__;
790
791     if(!m_cookieJar)
792         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
793
794     QList<QNetworkCookie> cookieList = m_cookieJar->allCookies();
795     QStringList list;
796
797     for(int i=0;i<cookieList.count();i++) {
798         QNetworkCookie cookie = cookieList.at(i);
799         QByteArray byteArray = cookie.toRawForm(QNetworkCookie::Full);
800         list.append(QString(byteArray));
801     }
802     list.removeDuplicates();
803
804     QSettings settings(DIRECTORY_NAME, FILE_NAME);
805     settings.setValue(COOKIES, list);
806 }
807
808 void MainWindow::setGPSButtonEnabled(bool enabled)
809 {
810     qDebug() << __PRETTY_FUNCTION__;
811
812     m_gpsToggleAct->setChecked(enabled);
813 }
814
815 void MainWindow::setIndicatorButtonEnabled(bool enabled)
816 {
817     qDebug() << __PRETTY_FUNCTION__;
818
819     m_indicatorButtonPanel->setIndicatorButtonEnabled(enabled);
820 }
821
822 void MainWindow::setMapViewScene(QGraphicsScene *scene)
823 {
824     qDebug() << __PRETTY_FUNCTION__;
825
826     m_mapView->setScene(scene);
827 }
828
829 void MainWindow::setOwnLocationCrosshairVisibility(bool visibility)
830 {
831     qDebug() << __PRETTY_FUNCTION__;
832
833     if (visibility) {
834         m_ownLocationCrosshair->show();
835         drawOwnLocationCrosshair(m_viewPortSize);
836     } else {
837         m_ownLocationCrosshair->hide();
838     }
839 }
840
841 void MainWindow::settingsDialogAccepted()
842 {
843     qDebug() << __PRETTY_FUNCTION__;
844
845     readAutomaticLocationUpdateSettings();
846 }
847
848 void MainWindow::setUsername(const QString &username)
849 {
850     qDebug() << __PRETTY_FUNCTION__;
851
852     m_email = username;
853 }
854
855 void MainWindow::setViewPortSize(const QSize &size)
856 {
857     qDebug() << __PRETTY_FUNCTION__;
858
859     m_viewPortSize = size;
860 }
861
862 void MainWindow::showEnableAutomaticUpdateLocationDialog(const QString &text)
863 {
864     qDebug() << __PRETTY_FUNCTION__;
865
866     m_automaticUpdateLocationDialog = new QMessageBox(QMessageBox::Question,
867                                                       tr("Automatic location update"), text,
868                                                       QMessageBox::Yes | QMessageBox::No |
869                                                       QMessageBox::Cancel, this);
870     connect(m_automaticUpdateLocationDialog, SIGNAL(finished(int)),
871             this, SLOT(automaticUpdateDialogFinished(int)));
872
873     m_automaticUpdateLocationDialog->show();
874 }
875
876 void MainWindow::toggleFullScreen()
877 {
878     qDebug() << __PRETTY_FUNCTION__;
879
880     if(windowState() == Qt::WindowNoState)
881         showFullScreen();
882     else
883         showNormal();
884 }
885
886 void MainWindow::showErrorInformationBox()
887 {
888     qDebug() << __PRETTY_FUNCTION__;
889
890     if(m_error_queue.count()) {
891         m_errorShown = true;
892         QDialog *dialog = m_error_queue.first();
893         connect(dialog, SIGNAL(finished(int)),
894                 this, SLOT(errorDialogFinished(int)));
895         dialog->show();
896     }
897 }
898
899 void MainWindow::showInformationBox()
900 {
901     qDebug() << __PRETTY_FUNCTION__;
902
903     if(m_queue.count()) {
904         QDialog *dialog = m_queue.first();
905         connect(dialog, SIGNAL(finished(int)),
906                 this, SLOT(dialogFinished(int)));
907         dialog->show();
908     }
909 }
910
911 void MainWindow::showPanels()
912 {
913     qDebug() << __PRETTY_FUNCTION__;
914
915 ///< @todo check how this is called and can this method be removed
916
917     drawFullScreenButton(m_viewPortSize);
918
919 //    if(m_loggedIn) {
920 //        if(!m_friendsListPanel->isVisible()) {
921 //            m_friendsListPanel->show();
922 //            m_friendsListPanelSidebar->show();
923 //        }
924
925 //        if(!m_userPanel->isVisible()) {
926 //            m_userPanel->show();
927 //            m_userPanelSidebar->show();
928 //        }
929 //    }
930 }
931
932 void MainWindow::startLocationSearch()
933 {
934     qDebug() << __PRETTY_FUNCTION__;
935
936     SearchDialog *searchDialog = new SearchDialog();
937     queueDialog(searchDialog);
938 }
939
940 void MainWindow::startLoginProcess()
941 {
942     qDebug() << __PRETTY_FUNCTION__;
943
944     LoginDialog *loginDialog = new LoginDialog();
945
946     emit fetchUsernameFromSettings();
947
948     loginDialog->clearTextFields();
949
950     if(!m_email.isEmpty())
951         loginDialog->setEmailField(m_email);
952
953     queueDialog(loginDialog);
954 }
955
956 void MainWindow::toggleProgressIndicator(bool value)
957 {
958     qDebug() << __PRETTY_FUNCTION__;
959
960 #ifdef Q_WS_MAEMO_5
961     if(value) {
962         m_progressIndicatorCount++;
963         setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
964     } else {
965         if(m_progressIndicatorCount > 0)
966             m_progressIndicatorCount--;
967
968         if(m_progressIndicatorCount == 0)
969             setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
970     }
971 #else
972     Q_UNUSED(value);
973 #endif // Q_WS_MAEMO_5
974 }
975
976 void MainWindow::updateItemVisibility()
977 {
978     qDebug() << __PRETTY_FUNCTION__;
979
980 ///< @todo can this be removed?
981
982 //    if(!m_loggedIn) {
983 //        m_friendsListPanel->closePanel();
984 //        m_friendsListPanel->hide();
985 //        m_friendsListPanelSidebar->hide();
986
987 //        m_userPanel->closePanel();
988 //        m_userPanel->hide();
989 //        m_userPanelSidebar->hide();
990 //    }
991 }
992
993 const QString MainWindow::username()
994 {
995     qDebug() << __PRETTY_FUNCTION__;
996
997     return m_email;
998 }
999
1000 void MainWindow::webViewRequestFinished(QNetworkReply *reply)
1001 {
1002     qDebug() << __PRETTY_FUNCTION__;
1003
1004     // omit QNetworkReply::OperationCanceledError due to it's nature to be called when ever
1005     // qwebview starts to load a new page while the current page loading is not finished
1006     if(reply->error() != QNetworkReply::OperationCanceledError &&
1007        reply->error() != QNetworkReply::NoError) {
1008         emit error(ErrorContext::NETWORK, reply->error());
1009     }
1010 }