git.maemo.org Git - situare/blob - 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(m_mapView, SIGNAL(viewResized(QSize)),
 305             m_userPanel, SLOT(resizePanel(QSize)));
 306
 307     connect(m_mapView, SIGNAL(viewResized(QSize)),
 308             m_userPanelSidebar, SLOT(resizeSideBar(QSize)));
 309
 310     connect(m_userPanel, SIGNAL(findUser(QPointF)),
 311             this, SIGNAL(findUser(QPointF)));
 312
 313     connect(m_userPanel, SIGNAL(requestReverseGeo()),
 314             this, SIGNAL(requestReverseGeo()));
 315
 316     connect(m_userPanel, SIGNAL(statusUpdate(QString,bool)),
 317             this, SIGNAL(statusUpdate(QString,bool)));
 318
 319     connect(m_userPanel, SIGNAL(refreshUserData()),
 320             this, SIGNAL(refreshUserData()));
 321
 322     connect(m_userPanel, SIGNAL(notificateUpdateFailing(QString, bool)),
 323             this, SLOT(buildInformationBox(QString, bool)));
 324 }
 325
 326 void MainWindow::buildWebView()
 327 {
 328     qDebug() << __PRETTY_FUNCTION__;
 329
 330     if(!m_webView) {
 331         m_webView = new QWebView;
 332
 333         if(!m_cookieJar)
 334             m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
 335
 336         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
 337
 338         connect(m_webView->page()->networkAccessManager(), SIGNAL(finished(QNetworkReply*)),
 339                 this, SLOT(webViewRequestFinished(QNetworkReply*)));
 340         connect(m_webView, SIGNAL(urlChanged(const QUrl &)),
 341                 this, SIGNAL(updateCredentials(QUrl)));
 342         connect(m_webView, SIGNAL(loadFinished(bool)),
 343                 this, SLOT(loadDone(bool)));
 344
 345         m_webView->hide();
 346     }
 347 }
 348
 349 void MainWindow::buildZoomButtonPanel()
 350 {
 351     qDebug() << __PRETTY_FUNCTION__;
 352
 353     m_zoomButtonPanel = new ZoomButtonPanel(this);
 354
 355     connect(m_zoomButtonPanel->zoomInButton(), SIGNAL(clicked()),
 356             this, SIGNAL(zoomIn()));
 357
 358     connect(m_zoomButtonPanel->zoomOutButton(), SIGNAL(clicked()),
 359             this, SIGNAL(zoomOut()));
 360
 361     connect(this, SIGNAL(zoomLevelChanged(int)),
 362             m_zoomButtonPanel, SLOT(resetButtons()));
 363
 364     connect(this, SIGNAL(maxZoomLevelReached()),
 365             m_zoomButtonPanel, SLOT(disableZoomInButton()));
 366
 367     connect(this, SIGNAL(minZoomLevelReached()),
 368             m_zoomButtonPanel, SLOT(disableZoomOutButton()));
 369
 370     connect(m_mapView, SIGNAL(viewResized(QSize)),
 371             m_zoomButtonPanel, SLOT(screenResized(QSize)));
 372 }
 373
 374 void MainWindow::clearCookieJar()
 375 {
 376     qDebug() << __PRETTY_FUNCTION__;
 377
 378     buildWebView();
 379
 380     m_webView->stop();
 381
 382     if(!m_cookieJar) {
 383         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
 384     }
 385     QList<QNetworkCookie> emptyList;
 386     emptyList.clear();
 387
 388     m_cookieJar->setAllCookies(emptyList);
 389     m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
 390 }
 391
 392 void MainWindow::createMenus()
 393 {
 394     qDebug() << __PRETTY_FUNCTION__;
 395
 396     // login/logout
 397     m_loginAct = new QAction(tr("Login"), this);
 398     connect(m_loginAct, SIGNAL(triggered()),
 399             this, SIGNAL(loginActionPressed()));
 400
 401     // settings
 402     m_toSettingsAct = new QAction(tr("Settings"), this);
 403     connect(m_toSettingsAct, SIGNAL(triggered()),
 404         this, SLOT(openSettingsDialog()));
 405
 406     // GPS
 407     m_gpsToggleAct = new QAction(tr("GPS"), this);
 408     m_gpsToggleAct->setCheckable(true);
 409
 410     connect(m_gpsToggleAct, SIGNAL(triggered(bool)),
 411             this, SIGNAL(gpsTriggered(bool)));
 412
 413     // automatic centering
 414     m_autoCenteringAct = new QAction(tr("Auto centering"), this);
 415     m_autoCenteringAct->setCheckable(true);
 416     connect(m_autoCenteringAct, SIGNAL(triggered(bool)),
 417         this, SIGNAL(autoCenteringTriggered(bool)));
 418
 419     // build the actual menu
 420     m_viewMenu = menuBar()->addMenu(tr("Main"));
 421     m_viewMenu->addAction(m_loginAct);
 422     m_viewMenu->addAction(m_toSettingsAct);
 423     m_viewMenu->addAction(m_gpsToggleAct);
 424     m_viewMenu->addAction(m_autoCenteringAct);
 425     m_viewMenu->setObjectName(tr("Menu"));
 426 }
 427
 428 void MainWindow::dialogFinished(int status)
 429 {
 430     qDebug() << __PRETTY_FUNCTION__;
 431
 432     QDialog *dialog = m_queue.takeFirst();
 433     LoginDialog *loginDialog = qobject_cast<LoginDialog *>(dialog);
 434     if(loginDialog) {
 435         if(status != 0) {
 436             buildWebView();
 437             loginDialog->userInput(m_email, m_password);
 438
 439             QStringList urlParts;
 440             urlParts.append(FACEBOOK_LOGINBASE);
 441             urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
 442             urlParts.append(INTERVAL1);
 443             urlParts.append(SITUARE_LOGIN_SUCCESS);
 444             urlParts.append(INTERVAL2);
 445             urlParts.append(SITUARE_LOGIN_FAILURE);
 446             urlParts.append(FACEBOOK_LOGIN_ENDING);
 447
 448             emit saveUsername(m_email);
 449             m_refresh = true;
 450             m_webView->load(QUrl(urlParts.join(EMPTY)));
 451             toggleProgressIndicator(true);
 452         } else {
 453             emit cancelLoginProcess();
 454         }
 455     }
 456
 457     dialog->deleteLater();
 458
 459     if(!m_error_queue.isEmpty() && m_errorShown == false) {
 460         showErrorInformationBox();
 461     } else {
 462         if(!m_queue.isEmpty()) {
 463             showInformationBox();
 464         }
 465     }
 466 }
 467
 468 void MainWindow::drawFullScreenButton(const QSize &size)
 469 {
 470     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
 471
 472     if(m_fullScreenButton) {
 473         if(m_loggedIn) {
 474             m_fullScreenButton->move(size.width() - m_fullScreenButton->size().width()
 475                                      - PANEL_PEEK_AMOUNT,
 476                                      size.height() - m_fullScreenButton->size().height());
 477         } else {
 478             m_fullScreenButton->move(size.width() - m_fullScreenButton->size().width(),
 479                                      size.height() - m_fullScreenButton->size().height());
 480         }
 481     }
 482 }
 483
 484 void MainWindow::drawMapScale(const QSize &size)
 485 {
 486     const int LEFT_SCALE_MARGIN = 10;
 487     const int BOTTOM_SCALE_MARGIN = 2;
 488     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
 489
 490     m_mapScale->move(PANEL_PEEK_AMOUNT + LEFT_SCALE_MARGIN,
 491                      size.height() - m_mapScale->size().height() - BOTTOM_SCALE_MARGIN);
 492 }
 493
 494 void MainWindow::drawOsmLicense(const QSize &size)
 495 {
 496     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
 497
 498     m_osmLicense->move(size.width() - m_osmLicense->fontMetrics().width(OSM_LICENSE)
 499                        - PANEL_PEEK_AMOUNT,
 500                        size.height() - m_osmLicense->fontMetrics().height());
 501 }
 502
 503 void MainWindow::drawOwnLocationCrosshair(const QSize &size)
 504 {
 505     qDebug() << __PRETTY_FUNCTION__;
 506
 507     if (m_drawOwnLocationCrosshair && m_ownLocationCrosshair != 0) {
 508         m_ownLocationCrosshair->move(size.width()/2 - m_ownLocationCrosshair->pixmap()->width()/2,
 509                             size.height()/2 - m_ownLocationCrosshair->pixmap()->height()/2);
 510     }
 511 }
 512
 513 void MainWindow::errorDialogFinished(int status)
 514 {
 515     qDebug() << __PRETTY_FUNCTION__;
 516
 517     qDebug() << status;
 518     QDialog *dialog = m_error_queue.takeFirst();
 519
 520     dialog->deleteLater();
 521     m_errorShown = false;
 522
 523     if(!m_error_queue.isEmpty())
 524         showErrorInformationBox();
 525     else if(!m_queue.isEmpty())
 526         showInformationBox();
 527 }
 528
 529 void MainWindow::gpsTimeout()
 530 {
 531     qDebug() << __PRETTY_FUNCTION__;
 532
 533     buildInformationBox(tr("GPS timeout"));
 534 }
 535
 536 void MainWindow::grabZoomKeys(bool grab)
 537 {
 538     qDebug() << __PRETTY_FUNCTION__;
 539
 540 #ifdef Q_WS_MAEMO_5
 541     // Can't grab keys unless we have a window id
 542     if (!winId())
 543         return;
 544
 545     unsigned long val = (grab) ? 1 : 0;
 546     Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
 547     if (!atom)
 548         return;
 549
 550     XChangeProperty (QX11Info::display(),
 551                      winId(),
 552                      atom,
 553                      XA_INTEGER,
 554                      32,
 555                      PropModeReplace,
 556                      reinterpret_cast<unsigned char *>(&val),
 557                      1);
 558 #else
 559     Q_UNUSED(grab);
 560 #endif // Q_WS_MAEMO_5
 561 }
 562
 563 void MainWindow::keyPressEvent(QKeyEvent* event)
 564 {
 565     qDebug() << __PRETTY_FUNCTION__;
 566
 567     switch (event->key()) {
 568     case Qt::Key_F7:
 569         event->accept();
 570         emit zoomIn();
 571         break;
 572
 573     case Qt::Key_F8:
 574         event->accept();
 575         emit zoomOut();
 576         break;
 577     }
 578     QWidget::keyPressEvent(event);
 579 }
 580
 581 void MainWindow::loadCookies()
 582 {
 583     qDebug() << __PRETTY_FUNCTION__;
 584
 585     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 586
 587     QStringList list = settings.value(COOKIES, EMPTY).toStringList();
 588
 589     if(!list.isEmpty()) {
 590         QList<QNetworkCookie> cookieList;
 591         for(int i=0;i<list.count();i++) {
 592             cookieList.append(QNetworkCookie::parseCookies(list.at(i).toAscii()));
 593         }
 594
 595         if(!m_cookieJar)
 596                m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
 597
 598         m_cookieJar->setAllCookies(cookieList);
 599         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
 600
 601     }
 602 }
 603
 604 void MainWindow::loadDone(bool done)
 605 {
 606     qDebug() << __PRETTY_FUNCTION__;
 607
 608     // for the first time the login page is opened, we need to refresh it to get cookies working
 609     if(m_refresh) {
 610         m_webView->reload();
 611         m_refresh = false;
 612     }
 613
 614     if (done)
 615     {
 616         QWebFrame* frame = m_webView->page()->currentFrame();
 617         if (frame!=NULL)
 618         {
 619             // set email box
 620             QWebElementCollection emailCollection = frame->findAllElements("input[name=email]");
 621
 622             foreach (QWebElement element, emailCollection) {
 623                 element.setAttribute("value", m_email.toAscii());
 624             }
 625             // set password box
 626             QWebElementCollection passwordCollection = frame->findAllElements("input[name=pass]");
 627             foreach (QWebElement element, passwordCollection) {
 628                 element.setAttribute("value", m_password.toAscii());
 629             }
 630             // find connect button
 631             QWebElementCollection buttonCollection = frame->findAllElements("input[name=login]");
 632             foreach (QWebElement element, buttonCollection)
 633             {
 634                 QPoint pos(element.geometry().center());
 635
 636                 // send a mouse click event to the web page
 637                 QMouseEvent event0(QEvent::MouseButtonPress, pos, Qt::LeftButton, Qt::LeftButton,
 638                                    Qt::NoModifier);
 639                 QApplication::sendEvent(m_webView->page(), &event0);
 640                 QMouseEvent event1(QEvent::MouseButtonRelease, pos, Qt::LeftButton, Qt::LeftButton,
 641                                    Qt::NoModifier);
 642                 QApplication::sendEvent(m_webView->page(), &event1);
 643             }
 644         }
 645     }
 646 }
 647
 648 void MainWindow::loggedIn(bool logged)
 649 {
 650     qDebug() << __PRETTY_FUNCTION__;
 651
 652     m_loggedIn = logged;
 653
 654     if(logged) {
 655         m_loginAct->setText(tr("Logout"));
 656     } else {
 657         clearCookieJar();
 658         m_email.clear();
 659         m_password.clear();
 660
 661         m_loginAct->setText(tr("Login"));
 662     }
 663     updateItemVisibility();
 664 }
 665
 666 void MainWindow::loginFailed()
 667 {
 668     qDebug() << __PRETTY_FUNCTION__;
 669
 670     clearCookieJar();
 671     startLoginProcess();
 672 }
 673
 674 bool MainWindow::loginState()
 675 {
 676     qDebug() << __PRETTY_FUNCTION__;
 677
 678     return m_loggedIn;
 679 }
 680
 681 void MainWindow::loginUsingCookies()
 682 {
 683     qDebug() << __PRETTY_FUNCTION__;
 684
 685     toggleProgressIndicator(true);
 686
 687     buildWebView();
 688     loadCookies();
 689
 690     QStringList urlParts;
 691     urlParts.append(FACEBOOK_LOGINBASE);
 692     urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
 693     urlParts.append(INTERVAL1);
 694     urlParts.append(SITUARE_LOGIN_SUCCESS);
 695     urlParts.append(INTERVAL2);
 696     urlParts.append(SITUARE_LOGIN_FAILURE);
 697     urlParts.append(FACEBOOK_LOGIN_ENDING);
 698
 699     m_webView->load(QUrl(urlParts.join(EMPTY)));
 700
 701 }
 702
 703 void MainWindow::openSettingsDialog()
 704 {
 705     qDebug() << __PRETTY_FUNCTION__;
 706
 707     SettingsDialog *settingsDialog = new SettingsDialog(this);
 708     settingsDialog->enableSituareSettings((m_loggedIn && m_gpsToggleAct->isChecked()));
 709     connect(settingsDialog, SIGNAL(accepted()), this, SLOT(settingsDialogAccepted()));
 710
 711     settingsDialog->show();
 712 }
 713
 714 void MainWindow::readAutomaticLocationUpdateSettings()
 715 {
 716     qDebug() << __PRETTY_FUNCTION__;
 717
 718     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 719     bool automaticUpdateEnabled = settings.value(SETTINGS_AUTOMATIC_UPDATE_ENABLED, false).toBool();
 720     QTime automaticUpdateInterval = settings.value(SETTINGS_AUTOMATIC_UPDATE_INTERVAL, QTime())
 721                                       .toTime();
 722
 723     if (automaticUpdateEnabled && automaticUpdateInterval.isValid()) {
 724         QTime time;
 725         emit enableAutomaticLocationUpdate(true, time.msecsTo(automaticUpdateInterval));
 726     } else {
 727         emit enableAutomaticLocationUpdate(false);
 728     }
 729 }
 730
 731 void MainWindow::queueDialog(QDialog *dialog)
 732 {
 733     qDebug() << __PRETTY_FUNCTION__;
 734
 735     // check is dialog is modal, for now all modal dialogs have hihger priority i.e. errors
 736     if(dialog->isModal()) {
 737         m_error_queue.append(dialog);
 738     } else {
 739         m_queue.append(dialog);
 740     }
 741
 742     // show error dialog if there is only one error dialog in the queue and no error dialog is shown
 743     if(m_error_queue.count() == 1 && m_errorShown == false)
 744         showErrorInformationBox();
 745     else if(m_queue.count() == 1 && m_errorShown == false)
 746         showInformationBox();
 747 }
 748
 749 void MainWindow::saveCookies()
 750 {
 751     qDebug() << __PRETTY_FUNCTION__;
 752
 753     if(!m_cookieJar)
 754         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
 755
 756     QList<QNetworkCookie> cookieList = m_cookieJar->allCookies();
 757     QStringList list;
 758
 759     for(int i=0;i<cookieList.count();i++) {
 760         QNetworkCookie cookie = cookieList.at(i);
 761         QByteArray byteArray = cookie.toRawForm(QNetworkCookie::Full);
 762         list.append(QString(byteArray));
 763     }
 764     list.removeDuplicates();
 765
 766     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 767     settings.setValue(COOKIES, list);
 768 }
 769
 770 void MainWindow::setAutoCenteringButtonEnabled(bool enabled)
 771 {
 772     qDebug() << __PRETTY_FUNCTION__;
 773
 774     m_autoCenteringAct->setChecked(enabled);
 775 }
 776
 777 void MainWindow::setGPSButtonEnabled(bool enabled)
 778 {
 779     qDebug() << __PRETTY_FUNCTION__;
 780
 781     m_gpsToggleAct->setChecked(enabled);
 782
 783     setOwnLocationCrosshairVisibility(!enabled);
 784
 785     m_autoCenteringAct->setVisible(enabled);
 786 }
 787
 788 void MainWindow::setMapViewScene(QGraphicsScene *scene)
 789 {
 790     qDebug() << __PRETTY_FUNCTION__;
 791
 792     m_mapView->setScene(scene);
 793 }
 794
 795 void MainWindow::setOwnLocationCrosshairVisibility(bool visibility)
 796 {
 797     qDebug() << __PRETTY_FUNCTION__;
 798
 799     if (visibility && m_loggedIn) {
 800         m_ownLocationCrosshair->show();
 801         m_drawOwnLocationCrosshair = true;
 802         drawOwnLocationCrosshair(m_viewPortSize);
 803     } else {
 804         m_ownLocationCrosshair->hide();
 805         m_drawOwnLocationCrosshair = false;
 806     }
 807 }
 808
 809 void MainWindow::settingsDialogAccepted()
 810 {
 811     qDebug() << __PRETTY_FUNCTION__;
 812
 813     readAutomaticLocationUpdateSettings();
 814 }
 815
 816 void MainWindow::setUsername(const QString &username)
 817 {
 818     qDebug() << __PRETTY_FUNCTION__;
 819
 820     m_email = username;
 821 }
 822
 823 void MainWindow::setViewPortSize(const QSize &size)
 824 {
 825     qDebug() << __PRETTY_FUNCTION__;
 826
 827     m_viewPortSize = size;
 828 }
 829
 830 void MainWindow::showEnableAutomaticUpdateLocationDialog(const QString &text)
 831 {
 832     qDebug() << __PRETTY_FUNCTION__;
 833
 834     m_automaticUpdateLocationDialog = new QMessageBox(QMessageBox::Question,
 835                                                       tr("Automatic location update"), text,
 836                                                       QMessageBox::Yes | QMessageBox::No |
 837                                                       QMessageBox::Cancel, this);
 838     connect(m_automaticUpdateLocationDialog, SIGNAL(finished(int)),
 839             this, SLOT(automaticUpdateDialogFinished(int)));
 840
 841     m_automaticUpdateLocationDialog->show();
 842 }
 843
 844 void MainWindow::toggleFullScreen()
 845 {
 846     qDebug() << __PRETTY_FUNCTION__;
 847
 848     if(windowState() == Qt::WindowNoState)
 849         showFullScreen();
 850     else
 851         showNormal();
 852 }
 853
 854 void MainWindow::showErrorInformationBox()
 855 {
 856     qDebug() << __PRETTY_FUNCTION__;
 857
 858     if(m_error_queue.count()) {
 859         m_errorShown = true;
 860         QDialog *dialog = m_error_queue.first();
 861         connect(dialog, SIGNAL(finished(int)),
 862                 this, SLOT(errorDialogFinished(int)));
 863         dialog->show();
 864     }
 865 }
 866
 867 void MainWindow::showInformationBox()
 868 {
 869     qDebug() << __PRETTY_FUNCTION__;
 870
 871     if(m_queue.count()) {
 872         QDialog *dialog = m_queue.first();
 873         connect(dialog, SIGNAL(finished(int)),
 874                 this, SLOT(dialogFinished(int)));
 875         dialog->show();
 876     }
 877 }
 878
 879 void MainWindow::showPanels()
 880 {
 881     qDebug() << __PRETTY_FUNCTION__;
 882
 883     drawFullScreenButton(m_viewPortSize);
 884
 885     if(m_loggedIn) {
 886         if(!m_friendsListPanel->isVisible()) {
 887             m_friendsListPanel->show();
 888             m_friendsListPanelSidebar->show();
 889         }
 890
 891         if(!m_userPanel->isVisible()) {
 892             m_userPanel->show();
 893             m_userPanelSidebar->show();
 894         }
 895     }
 896 }
 897
 898 void MainWindow::startLoginProcess()
 899 {
 900     qDebug() << __PRETTY_FUNCTION__;
 901
 902     LoginDialog *loginDialog = new LoginDialog();
 903
 904     emit fetchUsernameFromSettings();
 905
 906     loginDialog->clearTextFields();
 907
 908     if(!m_email.isEmpty())
 909         loginDialog->setEmailField(m_email);
 910
 911     queueDialog(loginDialog);
 912 }
 913
 914 void MainWindow::toggleProgressIndicator(bool value)
 915 {
 916     qDebug() << __PRETTY_FUNCTION__;
 917
 918 #ifdef Q_WS_MAEMO_5
 919     if(value) {
 920         m_progressIndicatorCount++;
 921         setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
 922     } else {
 923         if(m_progressIndicatorCount > 0)
 924             m_progressIndicatorCount--;
 925
 926         if(m_progressIndicatorCount == 0)
 927             setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
 928     }
 929 #else
 930     Q_UNUSED(value);
 931 #endif // Q_WS_MAEMO_5
 932 }
 933
 934 void MainWindow::updateItemVisibility()
 935 {
 936     qDebug() << __PRETTY_FUNCTION__;
 937
 938     if(m_loggedIn) {
 939
 940         if(!m_gpsToggleAct->isChecked())
 941             setOwnLocationCrosshairVisibility(true);
 942     } else {
 943         m_friendsListPanel->closePanel();
 944         m_friendsListPanel->hide();
 945         m_friendsListPanelSidebar->hide();
 946         m_userPanel->closePanel();
 947         m_userPanel->hide();
 948         m_userPanelSidebar->hide();
 949         setOwnLocationCrosshairVisibility(false);
 950     }
 951 }
 952
 953 const QString MainWindow::username()
 954 {
 955     qDebug() << __PRETTY_FUNCTION__;
 956
 957     return m_email;
 958 }
 959
 960 void MainWindow::webViewRequestFinished(QNetworkReply *reply)
 961 {
 962     qDebug() << __PRETTY_FUNCTION__;
 963
 964     // omit QNetworkReply::OperationCanceledError due to it's nature to be called when ever
 965     // qwebview starts to load a new page while the current page loading is not finished
 966     if(reply->error() != QNetworkReply::OperationCanceledError &&
 967        reply->error() != QNetworkReply::NoError) {
 968         emit error(ErrorContext::NETWORK, reply->error());
 969     }
 970 }
 971