Merge branch 'new_panels' into locationlistview
[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 "routingpanel.h"
47 #include "tabbedpanel.h"
48 #include "searchdialog.h"
49 #include "settingsdialog.h"
50 #include "userinfopanel.h"
51 #include "zoombuttonpanel.h"
52
53 #include "mainwindow.h"
54
55 // These MUST BE HERE, compiling for Maemo fails if moved
56 #ifdef Q_WS_MAEMO_5
57 #include <QtMaemo5/QMaemo5InformationBox>
58 #include <QtGui/QX11Info>
59 #include <X11/Xatom.h>
60 #include <X11/Xlib.h>
61 #endif // Q_WS_MAEMO_5
62
63 MainWindow::MainWindow(QWidget *parent)
64     : QMainWindow(parent),
65       m_errorShown(false),
66       m_loggedIn(false),
67       m_refresh(false),
68       m_progressIndicatorCount(0),
69       m_ownLocationCrosshair(0),
70       m_email(), ///< @todo WTF?!?!?!?
71       m_password(),
72       m_webView(0),
73       m_fullScreenButton(0),
74       m_indicatorButtonPanel(0),
75       m_mapScale(0),
76       m_cookieJar(0)
77 {
78     qDebug() << __PRETTY_FUNCTION__;
79
80     buildMap();
81
82     // build main layout
83     QHBoxLayout *layout = new QHBoxLayout;
84     layout->addWidget(m_mapView);
85     layout->setMargin(0);
86     layout->setSpacing(0);
87
88     setCentralWidget(new QWidget());
89     centralWidget()->setLayout(layout);
90
91     buildPanels();
92
93     createMenus();
94     setWindowTitle(tr("Situare"));
95
96     // set stacking order of widgets
97     m_zoomButtonPanel->stackUnder(m_tabbedPanel);
98     if(m_fullScreenButton) {
99         m_fullScreenButton->stackUnder(m_zoomButtonPanel);
100         m_osmLicense->stackUnder(m_fullScreenButton);
101     } else {
102         m_osmLicense->stackUnder(m_zoomButtonPanel);
103     }
104     m_ownLocationCrosshair->stackUnder(m_osmLicense);
105     m_indicatorButtonPanel->stackUnder(m_ownLocationCrosshair);
106     m_mapScale->stackUnder(m_indicatorButtonPanel);
107     m_mapView->stackUnder(m_mapScale);
108
109     grabZoomKeys(true);
110
111     // Set default screen size
112     resize(DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT);
113 #ifdef Q_WS_MAEMO_5
114     setAttribute(Qt::WA_Maemo5StackedWindow);
115 #endif
116 }
117
118 MainWindow::~MainWindow()
119 {
120     qDebug() << __PRETTY_FUNCTION__;
121
122     grabZoomKeys(false);
123
124     if(m_webView)
125         delete m_webView;
126
127     qDeleteAll(m_queue.begin(), m_queue.end());
128     m_queue.clear();
129
130     qDeleteAll(m_error_queue.begin(), m_error_queue.end());
131     m_error_queue.clear();
132 }
133
134 void MainWindow::automaticUpdateDialogFinished(int result)
135 {
136     qDebug() << __PRETTY_FUNCTION__;
137
138     if (result == QMessageBox::Yes) {
139         readAutomaticLocationUpdateSettings();
140     } else {
141         QSettings settings(DIRECTORY_NAME, FILE_NAME);
142         settings.setValue(SETTINGS_AUTOMATIC_UPDATE_ENABLED, false);
143         readAutomaticLocationUpdateSettings();
144     }
145
146     m_automaticUpdateLocationDialog->deleteLater();
147 }
148
149 void MainWindow::buildFullScreenButton()
150 {
151     qDebug() << __PRETTY_FUNCTION__;
152
153 #ifdef Q_WS_MAEMO_5
154     m_fullScreenButton = new FullScreenButton(this);
155
156     if (m_fullScreenButton) {
157         connect(m_fullScreenButton, SIGNAL(clicked()),
158                 this, SLOT(toggleFullScreen()));
159
160         connect(qApp, SIGNAL(showFullScreenButton()),
161                 m_fullScreenButton, SLOT(invoke()));
162     }
163 #endif // Q_WS_MAEMO_5
164 }
165
166 void MainWindow::buildFriendListPanel()
167 {
168     qDebug() << __PRETTY_FUNCTION__;
169
170     m_friendsListPanel = new FriendListPanel(this);
171
172     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
173             m_friendsListPanel, SLOT(friendInfoReceived(QList<User*>&)));
174
175     connect(this, SIGNAL(locationItemClicked(QList<QString>)),
176             m_friendsListPanel, SLOT(showFriendsInList(QList<QString>)));
177
178     connect(m_friendsListPanel, SIGNAL(findFriend(GeoCoordinate)),
179             this, SIGNAL(centerToCoordinates(GeoCoordinate)));
180
181     connect(this, SIGNAL(friendImageReady(User*)),
182             m_friendsListPanel, SLOT(friendImageReady(User*)));
183
184     connect(m_friendsListPanel, SIGNAL(routeToFriend(const GeoCoordinate&)),
185             this, SIGNAL(routeTo(const GeoCoordinate&)));
186 }
187
188 void MainWindow::buildIndicatorButtonPanel()
189 {
190     qDebug() << __PRETTY_FUNCTION__;
191
192     m_indicatorButtonPanel = new IndicatorButtonPanel(this);
193
194     connect(m_indicatorButtonPanel, SIGNAL(autoCenteringTriggered(bool)),
195         this, SIGNAL(autoCenteringTriggered(bool)));
196
197     connect(m_mapView, SIGNAL(viewResized(QSize)),
198             m_indicatorButtonPanel, SLOT(screenResized(QSize)));
199
200     connect(this, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)),
201             m_indicatorButtonPanel, SIGNAL(directionIndicatorValuesUpdate(qreal, qreal, bool)));
202
203     connect(m_indicatorButtonPanel, SIGNAL(draggingModeTriggered()),
204             this, SIGNAL(draggingModeTriggered()));
205 }
206
207 void MainWindow::buildInformationBox(const QString &message, bool modal)
208 {
209     qDebug() << __PRETTY_FUNCTION__;
210
211     QString errorMessage = message;
212
213 #ifdef Q_WS_MAEMO_5
214
215     QMaemo5InformationBox *msgBox = new QMaemo5InformationBox(this);
216
217     if(modal) {
218         msgBox->setTimeout(QMaemo5InformationBox::NoTimeout);
219         // extra line changes are needed to make error notes broader
220         errorMessage.prepend("\n");
221         errorMessage.append("\n");
222     } else {
223         msgBox->setTimeout(QMaemo5InformationBox::DefaultTimeout);
224     }
225     QLabel *label = new QLabel(msgBox);
226     label->setAlignment(Qt::AlignCenter);
227     label->setText(errorMessage);
228     msgBox->setWidget(label);
229 #else
230     QMessageBox *msgBox = new QMessageBox(this);
231     msgBox->button(QMessageBox::Ok);
232     msgBox->setText(errorMessage);
233     msgBox->setModal(modal);
234 #endif
235
236     queueDialog(msgBox);
237 }
238
239 void MainWindow::buildManualLocationCrosshair()
240 {
241     qDebug() << __PRETTY_FUNCTION__;
242
243     m_ownLocationCrosshair = new QLabel(this);
244     QPixmap crosshairImage(":/res/images/sight.png");
245     m_ownLocationCrosshair->setPixmap(crosshairImage);
246     m_ownLocationCrosshair->setFixedSize(crosshairImage.size());
247     m_ownLocationCrosshair->hide();
248     m_ownLocationCrosshair->setAttribute(Qt::WA_TransparentForMouseEvents, true);
249
250     connect(m_mapView, SIGNAL(viewResized(QSize)),
251             this, SLOT(drawOwnLocationCrosshair(QSize)));
252 }
253
254 void MainWindow::buildMap()
255 {
256     qDebug() << __PRETTY_FUNCTION__;
257
258     m_mapView = new MapView(this);
259
260     buildZoomButtonPanel();
261     buildOsmLicense();
262     buildManualLocationCrosshair();
263     buildFullScreenButton();
264     buildIndicatorButtonPanel();
265     buildMapScale();
266
267     connect(m_mapView, SIGNAL(viewScrolled(SceneCoordinate)),
268             this, SIGNAL(mapViewScrolled(SceneCoordinate)));
269
270     connect(this, SIGNAL(centerToSceneCoordinates(SceneCoordinate)),
271             m_mapView, SLOT(centerToSceneCoordinates(SceneCoordinate)));
272
273     connect(m_mapView, SIGNAL(viewResized(QSize)),
274             this, SIGNAL(mapViewResized(QSize)));
275
276     connect(m_mapView, SIGNAL(viewResized(QSize)),
277             this, SLOT(drawFullScreenButton(QSize)));
278
279     connect(m_mapView, SIGNAL(viewResized(QSize)),
280             this, SLOT(drawMapScale(QSize)));
281
282     connect(m_mapView, SIGNAL(viewResized(QSize)),
283              this, SLOT(setViewPortSize(QSize)));
284
285     connect(this, SIGNAL(zoomLevelChanged(int)),
286             m_mapView, SLOT(setZoomLevel(int)));
287
288     connect(m_mapView, SIGNAL(viewZoomFinished()),
289             this, SIGNAL(viewZoomFinished()));
290
291     connect(m_mapView, SIGNAL(zoomIn()),
292             this, SIGNAL(zoomIn()));
293 }
294
295 void MainWindow::buildMapScale()
296 {
297     m_mapScale = new MapScale(this);
298     connect(this, SIGNAL(newMapResolution(qreal)),
299             m_mapScale, SLOT(updateMapResolution(qreal)));
300 }
301
302 void MainWindow::buildOsmLicense()
303 {
304     qDebug() << __PRETTY_FUNCTION__;
305
306     m_osmLicense = new QLabel(this);
307     m_osmLicense->setAttribute(Qt::WA_TranslucentBackground, true);
308     m_osmLicense->setAttribute(Qt::WA_TransparentForMouseEvents, true);
309     m_osmLicense->setText("<font color='black'>" + OSM_LICENSE + "</font>");
310     m_osmLicense->setFont(QFont("Nokia Sans", 9));
311     m_osmLicense->resize(m_osmLicense->fontMetrics().width(OSM_LICENSE),
312                          m_osmLicense->fontMetrics().height());
313
314     connect(m_mapView, SIGNAL(viewResized(QSize)),
315             this, SLOT(drawOsmLicense(QSize)));
316 }
317
318 void MainWindow::buildPanels()
319 {
320     qDebug() << __PRETTY_FUNCTION__;
321
322     buildUserInfoPanel();
323     buildFriendListPanel();
324     buildRoutingPanel();
325
326     m_tabbedPanel = new TabbedPanel(this);
327     m_tabbedPanel->addTab(m_userInfoPanel, QIcon(":/res/images/user_info.png"));
328     m_tabbedPanel->addTab(m_friendsListPanel, QIcon(":/res/images/friend_list.png"));
329     m_tabbedPanel->addTab(m_routingPanel, QIcon(":/res/images/routing.png"));
330
331     connect(m_tabbedPanel, SIGNAL(panelClosed()),
332             m_friendsListPanel, SLOT(clearFriendListFilter()));
333
334     connect(m_mapView, SIGNAL(viewResized(QSize)),
335             m_tabbedPanel, SLOT(resizePanel(QSize)));
336
337     connect(m_friendsListPanel, SIGNAL(showPanelRequested(QWidget*)),
338             m_tabbedPanel, SLOT(showPanel(QWidget*)));
339 }
340
341 void MainWindow::buildRoutingPanel()
342 {
343     qDebug() << __PRETTY_FUNCTION__;
344
345     m_routingPanel = new RoutingPanel(this);
346
347     connect(this, SIGNAL(locationDataParsed(const QList<Location>&)),
348             m_routingPanel, SLOT(populateLocationListView(const QList<Location>&)));
349
350     connect(m_routingPanel,
351             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
352             this,
353             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)));
354
355     connect(m_routingPanel, SIGNAL(routeToLocation(const GeoCoordinate&)),
356             this, SIGNAL(routeTo(const GeoCoordinate&)));
357
358     connect(this, SIGNAL(routeParsed(Route&)),
359             m_routingPanel, SLOT(setRoute(Route&)));
360
361     connect(m_routingPanel, SIGNAL(routeWaypointItemClicked(GeoCoordinate)),
362             this, SIGNAL(centerToCoordinates(GeoCoordinate)));
363
364     connect(m_routingPanel, SIGNAL(requestSearchLocation()),
365             this, SLOT(startLocationSearch()));
366 }
367
368 void MainWindow::buildUserInfoPanel()
369 {
370     qDebug() << __PRETTY_FUNCTION__;
371
372     m_userInfoPanel = new UserInfoPanel(this);
373
374     connect(this, SIGNAL(userLocationReady(User*)),
375             m_userInfoPanel, SLOT(userDataReceived(User*)));
376
377     connect(this, SIGNAL(reverseGeoReady(QString)),
378             m_userInfoPanel, SIGNAL(reverseGeoReady(QString)));
379
380     connect(this, SIGNAL(clearUpdateLocationDialogData()),
381             m_userInfoPanel, SIGNAL(clearUpdateLocationDialogData()));
382
383     connect(m_userInfoPanel, SIGNAL(findUser(GeoCoordinate)),
384             this, SIGNAL(centerToCoordinates(GeoCoordinate)));
385
386     connect(m_userInfoPanel, SIGNAL(requestReverseGeo()),
387             this, SIGNAL(requestReverseGeo()));
388
389     connect(m_userInfoPanel, SIGNAL(statusUpdate(QString,bool)),
390             this, SIGNAL(statusUpdate(QString,bool)));
391
392     connect(m_userInfoPanel, SIGNAL(refreshUserData()),
393             this, SIGNAL(refreshUserData()));
394
395     connect(m_userInfoPanel, SIGNAL(notificateUpdateFailing(QString, bool)),
396             this, SLOT(buildInformationBox(QString, bool)));
397 }
398
399 void MainWindow::buildWebView()
400 {
401     qDebug() << __PRETTY_FUNCTION__;
402
403     if(!m_webView) {
404         m_webView = new QWebView;
405
406         if(!m_cookieJar)
407             m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
408
409         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
410
411         connect(m_webView->page()->networkAccessManager(), SIGNAL(finished(QNetworkReply*)),
412                 this, SLOT(webViewRequestFinished(QNetworkReply*)));
413         connect(m_webView, SIGNAL(urlChanged(const QUrl &)),
414                 this, SIGNAL(updateCredentials(QUrl)));
415         connect(m_webView, SIGNAL(loadFinished(bool)),
416                 this, SLOT(loadDone(bool)));
417
418         m_webView->hide();
419     }
420 }
421
422 void MainWindow::buildZoomButtonPanel()
423 {
424     qDebug() << __PRETTY_FUNCTION__;
425
426     m_zoomButtonPanel = new ZoomButtonPanel(this);
427
428     connect(m_zoomButtonPanel->zoomInButton(), SIGNAL(clicked()),
429             this, SIGNAL(zoomIn()));
430
431     connect(m_zoomButtonPanel->zoomOutButton(), SIGNAL(clicked()),
432             this, SIGNAL(zoomOut()));
433
434     connect(this, SIGNAL(zoomLevelChanged(int)),
435             m_zoomButtonPanel, SLOT(resetButtons()));
436
437     connect(this, SIGNAL(maxZoomLevelReached()),
438             m_zoomButtonPanel, SLOT(disableZoomInButton()));
439
440     connect(this, SIGNAL(minZoomLevelReached()),
441             m_zoomButtonPanel, SLOT(disableZoomOutButton()));
442
443     connect(m_mapView, SIGNAL(viewResized(QSize)),
444             m_zoomButtonPanel, SLOT(screenResized(QSize)));
445
446     connect(m_zoomButtonPanel, SIGNAL(draggingModeTriggered()),
447             this, SIGNAL(draggingModeTriggered()));
448 }
449
450 void MainWindow::clearCookieJar()
451 {
452     qDebug() << __PRETTY_FUNCTION__;
453
454     buildWebView();
455
456     m_webView->stop();
457
458     if(!m_cookieJar) {
459         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
460     }
461     QList<QNetworkCookie> emptyList;
462     emptyList.clear();
463
464     m_cookieJar->setAllCookies(emptyList);
465     m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
466 }
467
468 void MainWindow::createMenus()
469 {
470     qDebug() << __PRETTY_FUNCTION__;
471
472     // login/logout
473     m_loginAct = new QAction(tr("Login"), this);
474     connect(m_loginAct, SIGNAL(triggered()),
475             this, SIGNAL(loginActionPressed()));
476
477     // settings
478     m_toSettingsAct = new QAction(tr("Settings"), this);
479     connect(m_toSettingsAct, SIGNAL(triggered()),
480         this, SLOT(openSettingsDialog()));
481
482     // GPS
483     m_gpsToggleAct = new QAction(tr("GPS"), this);
484     m_gpsToggleAct->setCheckable(true);
485
486     connect(m_gpsToggleAct, SIGNAL(triggered(bool)),
487             this, SIGNAL(gpsTriggered(bool)));
488
489     // build the actual menu
490     m_viewMenu = menuBar()->addMenu(tr("Main"));
491     m_viewMenu->addAction(m_loginAct);
492     m_viewMenu->addAction(m_toSettingsAct);
493     m_viewMenu->addAction(m_gpsToggleAct);
494     m_viewMenu->setObjectName(tr("Menu"));
495 }
496
497 void MainWindow::dialogFinished(int status)
498 {
499     qDebug() << __PRETTY_FUNCTION__;
500
501     QDialog *dialog = m_queue.takeFirst();
502     LoginDialog *loginDialog = qobject_cast<LoginDialog *>(dialog);
503     SearchDialog *searchDialog = qobject_cast<SearchDialog *>(dialog);
504     if(loginDialog) {
505         if(status != 0) {
506             buildWebView();
507             loginDialog->userInput(m_email, m_password);
508
509             QStringList urlParts;
510             urlParts.append(FACEBOOK_LOGINBASE);
511             urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
512             urlParts.append(INTERVAL1);
513             urlParts.append(SITUARE_LOGIN_SUCCESS);
514             urlParts.append(INTERVAL2);
515             urlParts.append(SITUARE_LOGIN_FAILURE);
516             urlParts.append(FACEBOOK_LOGIN_ENDING);
517
518             emit saveUsername(m_email);
519             m_refresh = true;
520             m_webView->load(QUrl(urlParts.join(EMPTY)));
521             toggleProgressIndicator(true);
522         } else {
523             emit cancelLoginProcess();
524         }
525     } else if(searchDialog) {
526         if(status != 0) {
527             emit searchForLocation(searchDialog->input());
528         }
529     }
530
531     dialog->deleteLater();
532
533     if(!m_error_queue.isEmpty() && m_errorShown == false) {
534         showErrorInformationBox();
535     } else {
536         if(!m_queue.isEmpty()) {
537             showInformationBox();
538         }
539     }
540 }
541
542 void MainWindow::drawFullScreenButton(const QSize &size)
543 {
544     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
545
546     if (m_fullScreenButton) {
547         m_fullScreenButton->move(size.width() - m_fullScreenButton->size().width(),
548                                  size.height() - m_fullScreenButton->size().height());
549     }
550 }
551
552 void MainWindow::drawMapScale(const QSize &size)
553 {
554     qDebug() << __PRETTY_FUNCTION__;
555
556     const int LEFT_SCALE_MARGIN = 10;
557     const int BOTTOM_SCALE_MARGIN = 2;
558
559     m_mapScale->move(LEFT_SCALE_MARGIN,
560                      size.height() - m_mapScale->size().height() - BOTTOM_SCALE_MARGIN);
561 }
562
563 void MainWindow::drawOsmLicense(const QSize &size)
564 {
565     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
566
567     m_osmLicense->move(size.width() - m_osmLicense->fontMetrics().width(OSM_LICENSE)
568                        - PANEL_BAR_WIDTH,
569                        size.height() - m_osmLicense->fontMetrics().height());
570 }
571
572 void MainWindow::drawOwnLocationCrosshair(const QSize &size)
573 {
574     qDebug() << __PRETTY_FUNCTION__;
575
576     if (m_ownLocationCrosshair != 0) {
577         m_ownLocationCrosshair->move(size.width()/2 - m_ownLocationCrosshair->pixmap()->width()/2,
578                             size.height()/2 - m_ownLocationCrosshair->pixmap()->height()/2);
579     }
580 }
581
582 void MainWindow::errorDialogFinished(int status)
583 {
584     qDebug() << __PRETTY_FUNCTION__;
585
586     qDebug() << status;
587     QDialog *dialog = m_error_queue.takeFirst();
588
589     dialog->deleteLater();
590     m_errorShown = false;
591
592     if(!m_error_queue.isEmpty())
593         showErrorInformationBox();
594     else if(!m_queue.isEmpty())
595         showInformationBox();
596 }
597
598 void MainWindow::gpsTimeout()
599 {
600     qDebug() << __PRETTY_FUNCTION__;
601
602     buildInformationBox(tr("GPS timeout"));
603 }
604
605 void MainWindow::grabZoomKeys(bool grab)
606 {
607     qDebug() << __PRETTY_FUNCTION__;
608
609 #ifdef Q_WS_MAEMO_5
610     // Can't grab keys unless we have a window id
611     if (!winId())
612         return;
613
614     unsigned long val = (grab) ? 1 : 0;
615     Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
616     if (!atom)
617         return;
618
619     XChangeProperty (QX11Info::display(),
620                      winId(),
621                      atom,
622                      XA_INTEGER,
623                      32,
624                      PropModeReplace,
625                      reinterpret_cast<unsigned char *>(&val),
626                      1);
627 #else
628     Q_UNUSED(grab);
629 #endif // Q_WS_MAEMO_5
630 }
631
632 void MainWindow::keyPressEvent(QKeyEvent* event)
633 {
634     qDebug() << __PRETTY_FUNCTION__;
635
636     switch (event->key()) {
637     case Qt::Key_F7:
638         event->accept();
639         emit zoomIn();
640         break;
641
642     case Qt::Key_F8:
643         event->accept();
644         emit zoomOut();
645         break;
646     }
647     QWidget::keyPressEvent(event);
648 }
649
650 void MainWindow::loadCookies()
651 {
652     qDebug() << __PRETTY_FUNCTION__;
653
654     QSettings settings(DIRECTORY_NAME, FILE_NAME);
655
656     QStringList list = settings.value(COOKIES, EMPTY).toStringList();
657
658     if(!list.isEmpty()) {
659         QList<QNetworkCookie> cookieList;
660         for(int i=0;i<list.count();i++) {
661             cookieList.append(QNetworkCookie::parseCookies(list.at(i).toAscii()));
662         }
663
664         if(!m_cookieJar)
665                m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
666
667         m_cookieJar->setAllCookies(cookieList);
668         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
669     }
670 }
671
672 void MainWindow::loadDone(bool done)
673 {
674     qDebug() << __PRETTY_FUNCTION__;
675
676     // for the first time the login page is opened, we need to refresh it to get cookies working
677     if(m_refresh) {
678         m_webView->reload();
679         m_refresh = false;
680     }
681
682     if (done)
683     {
684         QWebFrame* frame = m_webView->page()->currentFrame();
685         if (frame!=NULL)
686         {
687             // set email box
688             QWebElementCollection emailCollection = frame->findAllElements("input[name=email]");
689
690             foreach (QWebElement element, emailCollection) {
691                 element.setAttribute("value", m_email.toAscii());
692             }
693             // set password box
694             QWebElementCollection passwordCollection = frame->findAllElements("input[name=pass]");
695             foreach (QWebElement element, passwordCollection) {
696                 element.setAttribute("value", m_password.toAscii());
697             }
698             // find connect button
699             QWebElementCollection buttonCollection = frame->findAllElements("input[name=login]");
700             foreach (QWebElement element, buttonCollection)
701             {
702                 QPoint pos(element.geometry().center());
703
704                 // send a mouse click event to the web page
705                 QMouseEvent event0(QEvent::MouseButtonPress, pos, Qt::LeftButton, Qt::LeftButton,
706                                    Qt::NoModifier);
707                 QApplication::sendEvent(m_webView->page(), &event0);
708                 QMouseEvent event1(QEvent::MouseButtonRelease, pos, Qt::LeftButton, Qt::LeftButton,
709                                    Qt::NoModifier);
710                 QApplication::sendEvent(m_webView->page(), &event1);
711             }
712         }
713     }
714 }
715
716 void MainWindow::loggedIn(bool logged)
717 {
718     qDebug() << __PRETTY_FUNCTION__;
719
720     m_loggedIn = logged;
721
722     if(logged) {
723         m_loginAct->setText(tr("Logout"));
724     } else {
725         clearCookieJar();
726         m_email.clear();
727         m_password.clear();
728
729         m_loginAct->setText(tr("Login"));
730     }
731     updateItemVisibility();
732 }
733
734 void MainWindow::loginFailed()
735 {
736     qDebug() << __PRETTY_FUNCTION__;
737
738     clearCookieJar();
739     startLoginProcess();
740 }
741
742 bool MainWindow::loginState()
743 {
744     qDebug() << __PRETTY_FUNCTION__;
745
746     return m_loggedIn;
747 }
748
749 void MainWindow::loginUsingCookies()
750 {
751     qDebug() << __PRETTY_FUNCTION__;
752
753     toggleProgressIndicator(true);
754
755     buildWebView();
756     loadCookies();
757
758     QStringList urlParts;
759     urlParts.append(FACEBOOK_LOGINBASE);
760     urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
761     urlParts.append(INTERVAL1);
762     urlParts.append(SITUARE_LOGIN_SUCCESS);
763     urlParts.append(INTERVAL2);
764     urlParts.append(SITUARE_LOGIN_FAILURE);
765     urlParts.append(FACEBOOK_LOGIN_ENDING);
766
767     m_webView->load(QUrl(urlParts.join(EMPTY)));
768
769 }
770
771 void MainWindow::openSettingsDialog()
772 {
773     qDebug() << __PRETTY_FUNCTION__;
774
775     SettingsDialog *settingsDialog = new SettingsDialog(this);
776     settingsDialog->enableSituareSettings((m_loggedIn && m_gpsToggleAct->isChecked()));
777     connect(settingsDialog, SIGNAL(accepted()), this, SLOT(settingsDialogAccepted()));
778
779     settingsDialog->show();
780 }
781
782 void MainWindow::readAutomaticLocationUpdateSettings()
783 {
784     qDebug() << __PRETTY_FUNCTION__;
785
786     QSettings settings(DIRECTORY_NAME, FILE_NAME);
787     bool automaticUpdateEnabled = settings.value(SETTINGS_AUTOMATIC_UPDATE_ENABLED, false).toBool();
788     QTime automaticUpdateInterval = settings.value(SETTINGS_AUTOMATIC_UPDATE_INTERVAL, QTime())
789                                       .toTime();
790
791     if (automaticUpdateEnabled && automaticUpdateInterval.isValid()) {
792         QTime time;
793         emit enableAutomaticLocationUpdate(true, time.msecsTo(automaticUpdateInterval));
794     } else {
795         emit enableAutomaticLocationUpdate(false);
796     }
797 }
798
799 void MainWindow::queueDialog(QDialog *dialog)
800 {
801     qDebug() << __PRETTY_FUNCTION__;
802
803     // check is dialog is modal, for now all modal dialogs have hihger priority i.e. errors
804     if(dialog->isModal()) {
805         m_error_queue.append(dialog);
806     } else {
807         m_queue.append(dialog);
808     }
809
810     // show error dialog if there is only one error dialog in the queue and no error dialog is shown
811     if(m_error_queue.count() == 1 && m_errorShown == false)
812         showErrorInformationBox();
813     else if(m_queue.count() == 1 && m_errorShown == false)
814         showInformationBox();
815 }
816
817 void MainWindow::saveCookies()
818 {
819     qDebug() << __PRETTY_FUNCTION__;
820
821     if(!m_cookieJar)
822         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
823
824     QList<QNetworkCookie> cookieList = m_cookieJar->allCookies();
825     QStringList list;
826
827     for(int i=0;i<cookieList.count();i++) {
828         QNetworkCookie cookie = cookieList.at(i);
829         QByteArray byteArray = cookie.toRawForm(QNetworkCookie::Full);
830         list.append(QString(byteArray));
831     }
832     list.removeDuplicates();
833
834     QSettings settings(DIRECTORY_NAME, FILE_NAME);
835     settings.setValue(COOKIES, list);
836 }
837
838 void MainWindow::setGPSButtonEnabled(bool enabled)
839 {
840     qDebug() << __PRETTY_FUNCTION__;
841
842     m_gpsToggleAct->setChecked(enabled);
843 }
844
845 void MainWindow::setIndicatorButtonEnabled(bool enabled)
846 {
847     qDebug() << __PRETTY_FUNCTION__;
848
849     m_indicatorButtonPanel->setIndicatorButtonEnabled(enabled);
850 }
851
852 void MainWindow::setMapViewScene(QGraphicsScene *scene)
853 {
854     qDebug() << __PRETTY_FUNCTION__;
855
856     m_mapView->setScene(scene);
857 }
858
859 void MainWindow::setOwnLocationCrosshairVisibility(bool visibility)
860 {
861     qDebug() << __PRETTY_FUNCTION__;
862
863     if (visibility) {
864         m_ownLocationCrosshair->show();
865         drawOwnLocationCrosshair(m_viewPortSize);
866     } else {
867         m_ownLocationCrosshair->hide();
868     }
869 }
870
871 void MainWindow::settingsDialogAccepted()
872 {
873     qDebug() << __PRETTY_FUNCTION__;
874
875     readAutomaticLocationUpdateSettings();
876 }
877
878 void MainWindow::setUsername(const QString &username)
879 {
880     qDebug() << __PRETTY_FUNCTION__;
881
882     m_email = username;
883 }
884
885 void MainWindow::setViewPortSize(const QSize &size)
886 {
887     qDebug() << __PRETTY_FUNCTION__;
888
889     m_viewPortSize = size;
890 }
891
892 void MainWindow::showEnableAutomaticUpdateLocationDialog(const QString &text)
893 {
894     qDebug() << __PRETTY_FUNCTION__;
895
896     m_automaticUpdateLocationDialog = new QMessageBox(QMessageBox::Question,
897                                                       tr("Automatic location update"), text,
898                                                       QMessageBox::Yes | QMessageBox::No |
899                                                       QMessageBox::Cancel, this);
900     connect(m_automaticUpdateLocationDialog, SIGNAL(finished(int)),
901             this, SLOT(automaticUpdateDialogFinished(int)));
902
903     m_automaticUpdateLocationDialog->show();
904 }
905
906 void MainWindow::toggleFullScreen()
907 {
908     qDebug() << __PRETTY_FUNCTION__;
909
910     if(windowState() == Qt::WindowNoState)
911         showFullScreen();
912     else
913         showNormal();
914 }
915
916 void MainWindow::showErrorInformationBox()
917 {
918     qDebug() << __PRETTY_FUNCTION__;
919
920     if(m_error_queue.count()) {
921         m_errorShown = true;
922         QDialog *dialog = m_error_queue.first();
923         connect(dialog, SIGNAL(finished(int)),
924                 this, SLOT(errorDialogFinished(int)));
925         dialog->show();
926     }
927 }
928
929 void MainWindow::showInformationBox()
930 {
931     qDebug() << __PRETTY_FUNCTION__;
932
933     if(m_queue.count()) {
934         QDialog *dialog = m_queue.first();
935         connect(dialog, SIGNAL(finished(int)),
936                 this, SLOT(dialogFinished(int)));
937         dialog->show();
938     }
939 }
940
941 void MainWindow::showPanels()
942 {
943     qDebug() << __PRETTY_FUNCTION__;
944
945 ///< @todo check how this is called and can this method be removed
946
947     drawFullScreenButton(m_viewPortSize);
948
949 //    if(m_loggedIn) {
950 //        if(!m_friendsListPanel->isVisible()) {
951 //            m_friendsListPanel->show();
952 //            m_friendsListPanelSidebar->show();
953 //        }
954
955 //        if(!m_userPanel->isVisible()) {
956 //            m_userPanel->show();
957 //            m_userPanelSidebar->show();
958 //        }
959 //    }
960 }
961
962 void MainWindow::startLocationSearch()
963 {
964     qDebug() << __PRETTY_FUNCTION__;
965
966     SearchDialog *searchDialog = new SearchDialog();
967     queueDialog(searchDialog);
968 }
969
970 void MainWindow::startLoginProcess()
971 {
972     qDebug() << __PRETTY_FUNCTION__;
973
974     LoginDialog *loginDialog = new LoginDialog();
975
976     emit fetchUsernameFromSettings();
977
978     loginDialog->clearTextFields();
979
980     if(!m_email.isEmpty())
981         loginDialog->setEmailField(m_email);
982
983     queueDialog(loginDialog);
984 }
985
986 void MainWindow::toggleProgressIndicator(bool value)
987 {
988     qDebug() << __PRETTY_FUNCTION__;
989
990 #ifdef Q_WS_MAEMO_5
991     if(value) {
992         m_progressIndicatorCount++;
993         setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
994     } else {
995         if(m_progressIndicatorCount > 0)
996             m_progressIndicatorCount--;
997
998         if(m_progressIndicatorCount == 0)
999             setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
1000     }
1001 #else
1002     Q_UNUSED(value);
1003 #endif // Q_WS_MAEMO_5
1004 }
1005
1006 void MainWindow::updateItemVisibility()
1007 {
1008     qDebug() << __PRETTY_FUNCTION__;
1009
1010 ///< @todo can this be removed?
1011
1012 //    if(!m_loggedIn) {
1013 //        m_friendsListPanel->closePanel();
1014 //        m_friendsListPanel->hide();
1015 //        m_friendsListPanelSidebar->hide();
1016
1017 //        m_userPanel->closePanel();
1018 //        m_userPanel->hide();
1019 //        m_userPanelSidebar->hide();
1020 //    }
1021 }
1022
1023 const QString MainWindow::username()
1024 {
1025     qDebug() << __PRETTY_FUNCTION__;
1026
1027     return m_email;
1028 }
1029
1030 void MainWindow::webViewRequestFinished(QNetworkReply *reply)
1031 {
1032     qDebug() << __PRETTY_FUNCTION__;
1033
1034     // omit QNetworkReply::OperationCanceledError due to it's nature to be called when ever
1035     // qwebview starts to load a new page while the current page loading is not finished
1036     if(reply->error() != QNetworkReply::OperationCanceledError &&
1037        reply->error() != QNetworkReply::NoError) {
1038         emit error(ErrorContext::NETWORK, reply->error());
1039     }
1040 }