vcs.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     this->toggleProgressIndicator(true);
  99
 100     grabZoomKeys(true);
 101
 102     // Set default screen size
 103     resize(DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT);
 104 #ifdef Q_WS_MAEMO_5
 105     setAttribute(Qt::WA_Maemo5StackedWindow);
 106 #endif
 107 }
 108
 109 MainWindow::~MainWindow()
 110 {
 111     qDebug() << __PRETTY_FUNCTION__;
 112
 113     grabZoomKeys(false);
 114
 115     if(m_webView)
 116         delete m_webView;
 117
 118     qDeleteAll(m_queue.begin(), m_queue.end());
 119     m_queue.clear();
 120
 121     qDeleteAll(m_error_queue.begin(), m_error_queue.end());
 122     m_error_queue.clear();
 123 }
 124
 125 void MainWindow::automaticUpdateDialogFinished(int result)
 126 {
 127     qDebug() << __PRETTY_FUNCTION__;
 128
 129     if (result == QMessageBox::Yes) {
 130         readAutomaticLocationUpdateSettings();
 131     } else {
 132         QSettings settings(DIRECTORY_NAME, FILE_NAME);
 133         settings.setValue(SETTINGS_AUTOMATIC_UPDATE_ENABLED, false);
 134         readAutomaticLocationUpdateSettings();
 135     }
 136
 137     m_automaticUpdateLocationDialog->deleteLater();
 138 }
 139
 140 void MainWindow::buildFullScreenButton()
 141 {
 142     qDebug() << __PRETTY_FUNCTION__;
 143 #ifdef Q_WS_MAEMO_5
 144     m_fullScreenButton = new FullScreenButton(this);
 145     connect(m_fullScreenButton, SIGNAL(clicked()),
 146             this, SLOT(toggleFullScreen()));
 147 #endif // Q_WS_MAEMO_5
 148 }
 149
 150 void MainWindow::buildFriendListPanel()
 151 {
 152     qDebug() << __PRETTY_FUNCTION__;
 153
 154     m_friendsListPanel = new FriendListPanel(this);
 155
 156     m_friendsListPanelSidebar = new PanelSideBar(this, RIGHT);
 157
 158     m_friendsListPanel->stackUnder(m_friendsListPanelSidebar);
 159
 160     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
 161             m_friendsListPanel, SLOT(friendInfoReceived(QList<User*>&)));
 162
 163     connect(this, SIGNAL(locationItemClicked(QList<QString>)),
 164             m_friendsListPanel, SLOT(showFriendsInList(QList<QString>)));
 165
 166     connect(m_mapView, SIGNAL(viewResized(QSize)),
 167             m_friendsListPanel, SLOT(resizePanel(QSize)));
 168
 169     connect(m_mapView, SIGNAL(viewResized(QSize)),
 170             m_friendsListPanelSidebar, SLOT(resizeSideBar(QSize)));
 171
 172     connect(m_friendsListPanel, SIGNAL(findFriend(QPointF)),
 173             this, SIGNAL(findFriend(QPointF)));
 174 }
 175
 176 void MainWindow::buildInformationBox(const QString &message, bool modal)
 177 {
 178     qDebug() << __PRETTY_FUNCTION__;
 179
 180     QString errorMessage = message;
 181
 182 #ifdef Q_WS_MAEMO_5
 183
 184     QMaemo5InformationBox *msgBox = new QMaemo5InformationBox(this);
 185
 186     if(modal) {
 187         msgBox->setTimeout(QMaemo5InformationBox::NoTimeout);
 188         // extra line changes are needed to make error notes broader
 189         errorMessage.prepend("\n");
 190         errorMessage.append("\n");
 191     } else {
 192         msgBox->setTimeout(QMaemo5InformationBox::DefaultTimeout);
 193     }
 194     QLabel *label = new QLabel(msgBox);
 195     label->setAlignment(Qt::AlignCenter);
 196     label->setText(errorMessage);
 197     msgBox->setWidget(label);
 198 #else
 199     QMessageBox *msgBox = new QMessageBox(this);
 200     msgBox->button(QMessageBox::Ok);
 201     msgBox->setText(errorMessage);
 202     msgBox->setModal(modal);
 203 #endif
 204
 205     queueDialog(msgBox);
 206 }
 207
 208 void MainWindow::buildManualLocationCrosshair()
 209 {
 210     qDebug() << __PRETTY_FUNCTION__;
 211
 212     m_ownLocationCrosshair = new QLabel(this);
 213     QPixmap crosshairImage(":/res/images/sight.png");
 214     m_ownLocationCrosshair->setPixmap(crosshairImage);
 215     m_ownLocationCrosshair->setFixedSize(crosshairImage.size());
 216     m_ownLocationCrosshair->hide();
 217     m_ownLocationCrosshair->setAttribute(Qt::WA_TransparentForMouseEvents, true);
 218
 219     connect(m_mapView, SIGNAL(viewResized(QSize)),
 220             this, SLOT(drawOwnLocationCrosshair(QSize)));
 221 }
 222
 223 void MainWindow::buildMap()
 224 {
 225     qDebug() << __PRETTY_FUNCTION__;
 226
 227     m_mapView = new MapView(this);
 228
 229     buildZoomButtonPanel();
 230     buildOsmLicense();
 231     buildManualLocationCrosshair();
 232     buildFullScreenButton();
 233     buildMapScale();
 234
 235     connect(m_mapView, SIGNAL(viewScrolled(QPoint)),
 236             this, SIGNAL(mapViewScrolled(QPoint)));
 237
 238     connect(this, SIGNAL(centerToSceneCoordinates(QPoint)),
 239             m_mapView, SLOT(centerToSceneCoordinates(QPoint)));
 240
 241     connect(m_mapView, SIGNAL(viewResized(QSize)),
 242             this, SIGNAL(mapViewResized(QSize)));
 243
 244     connect(m_mapView, SIGNAL(viewResized(QSize)),
 245             this, SLOT(drawFullScreenButton(QSize)));
 246
 247     connect(m_mapView, SIGNAL(viewResized(QSize)),
 248             this, SLOT(drawMapScale(QSize)));
 249
 250     connect(m_mapView, SIGNAL(viewResized(QSize)),
 251              this, SLOT(setViewPortSize(QSize)));
 252
 253     connect(this, SIGNAL(zoomLevelChanged(int)),
 254             m_mapView, SLOT(setZoomLevel(int)));
 255
 256     connect(m_mapView, SIGNAL(viewZoomFinished()),
 257             this, SIGNAL(viewZoomFinished()));
 258 }
 259
 260 void MainWindow::buildMapScale()
 261 {
 262     m_mapScale = new MapScale(this);
 263     connect(this, SIGNAL(newMapResolution(qreal)),
 264             m_mapScale, SLOT(updateMapResolution(qreal)));
 265 }
 266
 267 void MainWindow::buildOsmLicense()
 268 {
 269     qDebug() << __PRETTY_FUNCTION__;
 270
 271     m_osmLicense = new QLabel(this);
 272     m_osmLicense->setAttribute(Qt::WA_TranslucentBackground, true);
 273     m_osmLicense->setAttribute(Qt::WA_TransparentForMouseEvents, true);
 274     m_osmLicense->setText("<font color='black'>" + OSM_LICENSE + "</font>");
 275     m_osmLicense->setFont(QFont("Nokia Sans", 9));
 276     m_osmLicense->resize(m_osmLicense->fontMetrics().width(OSM_LICENSE),
 277                          m_osmLicense->fontMetrics().height());
 278
 279     connect(m_mapView, SIGNAL(viewResized(QSize)),
 280             this, SLOT(drawOsmLicense(QSize)));
 281 }
 282
 283 void MainWindow::buildUserInfoPanel()
 284 {
 285     qDebug() << __PRETTY_FUNCTION__;
 286
 287     m_userPanel = new UserInfoPanel(this);
 288
 289     m_userPanelSidebar = new PanelSideBar(this, LEFT);
 290
 291     m_userPanelSidebar->stackUnder(m_friendsListPanel);
 292     m_userPanel->stackUnder(m_userPanelSidebar);
 293
 294     connect(this, SIGNAL(userLocationReady(User*)),
 295             m_userPanel, SLOT(userDataReceived(User*)));
 296
 297     connect(this, SIGNAL(reverseGeoReady(QString)),
 298             m_userPanel, SIGNAL(reverseGeoReady(QString)));
 299
 300     connect(this, SIGNAL(clearUpdateLocationDialogData()),
 301             m_userPanel, SIGNAL(clearUpdateLocationDialogData()));
 302
 303     connect(this, SIGNAL(messageSendingFailed(int)),
 304             m_userPanel, SIGNAL(messageSendingFailed(int)));
 305
 306     connect(m_mapView, SIGNAL(viewResized(QSize)),
 307             m_userPanel, SLOT(resizePanel(QSize)));
 308
 309     connect(m_mapView, SIGNAL(viewResized(QSize)),
 310             m_userPanelSidebar, SLOT(resizeSideBar(QSize)));
 311
 312     connect(m_userPanel, SIGNAL(findUser(QPointF)),
 313             this, SIGNAL(findUser(QPointF)));
 314
 315     connect(m_userPanel, SIGNAL(requestReverseGeo()),
 316             this, SIGNAL(requestReverseGeo()));
 317
 318     connect(m_userPanel, SIGNAL(statusUpdate(QString,bool)),
 319             this, SIGNAL(statusUpdate(QString,bool)));
 320
 321     connect(m_userPanel, SIGNAL(refreshUserData()),
 322             this, SIGNAL(refreshUserData()));
 323
 324     connect(m_userPanel, SIGNAL(notificateUpdateFailing(QString, bool)),
 325             this, SLOT(buildInformationBox(QString, bool)));
 326 }
 327
 328 void MainWindow::buildWebView()
 329 {
 330     qDebug() << __PRETTY_FUNCTION__;
 331
 332     if(!m_webView) {
 333         m_webView = new QWebView;
 334
 335         if(!m_cookieJar)
 336             m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
 337
 338         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
 339
 340         connect(m_webView->page()->networkAccessManager(), SIGNAL(finished(QNetworkReply*)),
 341                 this, SLOT(webViewRequestFinished(QNetworkReply*)));
 342         connect(m_webView, SIGNAL(urlChanged(const QUrl &)),
 343                 this, SIGNAL(updateCredentials(QUrl)));
 344         connect(m_webView, SIGNAL(loadFinished(bool)),
 345                 this, SLOT(loadDone(bool)));
 346
 347         m_webView->hide();
 348     }
 349 }
 350
 351 void MainWindow::buildZoomButtonPanel()
 352 {
 353     qDebug() << __PRETTY_FUNCTION__;
 354
 355     m_zoomButtonPanel = new ZoomButtonPanel(this);
 356
 357     connect(m_zoomButtonPanel->zoomInButton(), SIGNAL(clicked()),
 358             this, SIGNAL(zoomIn()));
 359
 360     connect(m_zoomButtonPanel->zoomOutButton(), SIGNAL(clicked()),
 361             this, SIGNAL(zoomOut()));
 362
 363     connect(this, SIGNAL(zoomLevelChanged(int)),
 364             m_zoomButtonPanel, SLOT(resetButtons()));
 365
 366     connect(this, SIGNAL(maxZoomLevelReached()),
 367             m_zoomButtonPanel, SLOT(disableZoomInButton()));
 368
 369     connect(this, SIGNAL(minZoomLevelReached()),
 370             m_zoomButtonPanel, SLOT(disableZoomOutButton()));
 371
 372     connect(m_mapView, SIGNAL(viewResized(QSize)),
 373             m_zoomButtonPanel, SLOT(screenResized(QSize)));
 374 }
 375
 376 void MainWindow::clearCookieJar()
 377 {
 378     qDebug() << __PRETTY_FUNCTION__;
 379
 380     buildWebView();
 381
 382     m_webView->stop();
 383
 384     if(!m_cookieJar) {
 385         m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
 386     }
 387     QList<QNetworkCookie> emptyList;
 388     emptyList.clear();
 389
 390     m_cookieJar->setAllCookies(emptyList);
 391     m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
 392 }
 393
 394 void MainWindow::createMenus()
 395 {
 396     qDebug() << __PRETTY_FUNCTION__;
 397
 398     // login/logout
 399     m_loginAct = new QAction(tr("Login"), this);
 400     connect(m_loginAct, SIGNAL(triggered()),
 401             this, SIGNAL(loginActionPressed()));
 402
 403     // settings
 404     m_toSettingsAct = new QAction(tr("Settings"), this);
 405     connect(m_toSettingsAct, SIGNAL(triggered()),
 406         this, SLOT(openSettingsDialog()));
 407
 408     // GPS
 409     m_gpsToggleAct = new QAction(tr("GPS"), this);
 410     m_gpsToggleAct->setCheckable(true);
 411
 412     connect(m_gpsToggleAct, SIGNAL(triggered(bool)),
 413             this, SIGNAL(gpsTriggered(bool)));
 414
 415     // automatic centering
 416     m_autoCenteringAct = new QAction(tr("Auto centering"), this);
 417     m_autoCenteringAct->setCheckable(true);
 418     connect(m_autoCenteringAct, SIGNAL(triggered(bool)),
 419         this, SIGNAL(autoCenteringTriggered(bool)));
 420
 421     // build the actual menu
 422     m_viewMenu = menuBar()->addMenu(tr("Main"));
 423     m_viewMenu->addAction(m_loginAct);
 424     m_viewMenu->addAction(m_toSettingsAct);
 425     m_viewMenu->addAction(m_gpsToggleAct);
 426     m_viewMenu->addAction(m_autoCenteringAct);
 427     m_viewMenu->setObjectName(tr("Menu"));
 428 }
 429
 430 void MainWindow::dialogFinished(int status)
 431 {
 432     qDebug() << __PRETTY_FUNCTION__;
 433
 434     QDialog *dialog = m_queue.takeFirst();
 435     LoginDialog *loginDialog = qobject_cast<LoginDialog *>(dialog);
 436     if(loginDialog) {
 437         if(status != 0) {
 438             buildWebView();
 439             loginDialog->userInput(m_email, m_password);
 440
 441             QStringList urlParts;
 442             urlParts.append(FACEBOOK_LOGINBASE);
 443             urlParts.append(SITUARE_PUBLIC_FACEBOOKAPI_KEY);
 444             urlParts.append(INTERVAL1);
 445             urlParts.append(SITUARE_LOGIN_SUCCESS);
 446             urlParts.append(INTERVAL2);
 447             urlParts.append(SITUARE_LOGIN_FAILURE);
 448             urlParts.append(FACEBOOK_LOGIN_ENDING);
 449
 450             emit saveUsername(m_email);
 451             m_refresh = true;
 452             m_webView->load(QUrl(urlParts.join(EMPTY)));
 453             toggleProgressIndicator(true);
 454         } else {
 455             emit cancelLoginProcess();
 456         }
 457     }
 458
 459     dialog->deleteLater();
 460
 461     if(!m_error_queue.isEmpty() && m_errorShown == false) {
 462         showErrorInformationBox();
 463     } else {
 464         if(!m_queue.isEmpty()) {
 465             showInformationBox();
 466         }
 467     }
 468 }
 469
 470 void MainWindow::drawFullScreenButton(const QSize &size)
 471 {
 472     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
 473
 474     if(m_fullScreenButton) {
 475         if(m_loggedIn) {
 476             m_fullScreenButton->move(size.width() - m_fullScreenButton->size().width()
 477                                      - PANEL_PEEK_AMOUNT,
 478                                      size.height() - m_fullScreenButton->size().height());
 479         } else {
 480             m_fullScreenButton->move(size.width() - m_fullScreenButton->size().width(),
 481                                      size.height() - m_fullScreenButton->size().height());
 482         }
 483     }
 484 }
 485
 486 void MainWindow::drawMapScale(const QSize &size)
 487 {
 488     const int LEFT_SCALE_MARGIN = 10;
 489     const int BOTTOM_SCALE_MARGIN = 2;
 490     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
 491
 492     m_mapScale->move(PANEL_PEEK_AMOUNT + LEFT_SCALE_MARGIN,
 493                      size.height() - m_mapScale->size().height() - BOTTOM_SCALE_MARGIN);
 494 }
 495
 496 void MainWindow::drawOsmLicense(const QSize &size)
 497 {
 498     qDebug() << __PRETTY_FUNCTION__ << size.width() << "x" << size.height();
 499
 500     m_osmLicense->move(size.width() - m_osmLicense->fontMetrics().width(OSM_LICENSE)
 501                        - PANEL_PEEK_AMOUNT,
 502                        size.height() - m_osmLicense->fontMetrics().height());
 503 }
 504
 505 void MainWindow::drawOwnLocationCrosshair(const QSize &size)
 506 {
 507     qDebug() << __PRETTY_FUNCTION__;
 508
 509     if (m_drawOwnLocationCrosshair && m_ownLocationCrosshair != 0) {
 510         m_ownLocationCrosshair->move(size.width()/2 - m_ownLocationCrosshair->pixmap()->width()/2,
 511                             size.height()/2 - m_ownLocationCrosshair->pixmap()->height()/2);
 512     }
 513 }
 514
 515 void MainWindow::errorDialogFinished(int status)
 516 {
 517     qDebug() << __PRETTY_FUNCTION__;
 518
 519     qDebug() << status;
 520     QDialog *dialog = m_error_queue.takeFirst();
 521
 522     dialog->deleteLater();
 523     m_errorShown = false;
 524
 525     if(!m_error_queue.isEmpty())
 526         showErrorInformationBox();
 527     else if(!m_queue.isEmpty())
 528         showInformationBox();
 529 }
 530
 531 void MainWindow::gpsTimeout()
 532 {
 533     qDebug() << __PRETTY_FUNCTION__;
 534
 535     buildInformationBox(tr("GPS timeout"));
 536 }
 537
 538 void MainWindow::grabZoomKeys(bool grab)
 539 {
 540     qDebug() << __PRETTY_FUNCTION__;
 541
 542 #ifdef Q_WS_MAEMO_5
 543     // Can't grab keys unless we have a window id
 544     if (!winId())
 545         return;
 546
 547     unsigned long val = (grab) ? 1 : 0;
 548     Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
 549     if (!atom)
 550         return;
 551
 552     XChangeProperty (QX11Info::display(),
 553                      winId(),
 554                      atom,
 555                      XA_INTEGER,
 556                      32,
 557                      PropModeReplace,
 558                      reinterpret_cast<unsigned char *>(&val),
 559                      1);
 560 #else
 561     Q_UNUSED(grab);
 562 #endif // Q_WS_MAEMO_5
 563 }
 564
 565 void MainWindow::keyPressEvent(QKeyEvent* event)
 566 {
 567     qDebug() << __PRETTY_FUNCTION__;
 568
 569     switch (event->key()) {
 570     case Qt::Key_F7:
 571         event->accept();
 572         emit zoomIn();
 573         break;
 574
 575     case Qt::Key_F8:
 576         event->accept();
 577         emit zoomOut();
 578         break;
 579     }
 580     QWidget::keyPressEvent(event);
 581 }
 582
 583 void MainWindow::loadCookies()
 584 {
 585     qDebug() << __PRETTY_FUNCTION__;
 586
 587     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 588
 589     QStringList list = settings.value(COOKIES, EMPTY).toStringList();
 590
 591     if(!list.isEmpty()) {
 592         QList<QNetworkCookie> cookieList;
 593         for(int i=0;i<list.count();i++) {
 594             cookieList.append(QNetworkCookie::parseCookies(list.at(i).toAscii()));
 595         }
 596
 597         if(!m_cookieJar)
 598                m_cookieJar = new NetworkCookieJar(new QNetworkCookieJar(this));
 599
 600         m_cookieJar->setAllCookies(cookieList);
 601         m_webView->page()->networkAccessManager()->setCookieJar(m_cookieJar);
 602
 603     }
 604 }
 605
 606 void MainWindow::loadDone(bool done)
 607 {
 608     qDebug() << __PRETTY_FUNCTION__;
 609
 610     // for the first time the login page is opened, we need to refresh it to get cookies working
 611     if(m_refresh) {
 612         m_webView->reload();
 613         m_refresh = false;
 614     }
 615
 616     if (done)
 617     {
 618         QWebFrame* frame = m_webView->page()->currentFrame();
 619         if (frame!=NULL)
 620         {
 621             // set email box
 622             QWebElementCollection emailCollection = frame->findAllElements("input[name=email]");
 623
 624             foreach (QWebElement element, emailCollection) {
 625                 element.setAttribute("value", m_email.toAscii());
 626             }
 627             // set password box
 628             QWebElementCollection passwordCollection = frame->findAllElements("input[name=pass]");
 629             foreach (QWebElement element, passwordCollection) {
 630                 element.setAttribute("value", m_password.toAscii());
 631             }
 632             // find connect button
 633             QWebElementCollection buttonCollection = frame->findAllElements("input[name=login]");
 634             foreach (QWebElement element, buttonCollection)
 635             {
 636                 QPoint pos(element.geometry().center());
 637
 638                 // send a mouse click event to the web page
 639                 QMouseEvent event0(QEvent::MouseButtonPress, pos, Qt::LeftButton, Qt::LeftButton,
 640                                    Qt::NoModifier);
 641                 QApplication::sendEvent(m_webView->page(), &event0);
 642                 QMouseEvent event1(QEvent::MouseButtonRelease, pos, Qt::LeftButton, Qt::LeftButton,
 643                                    Qt::NoModifier);
 644                 QApplication::sendEvent(m_webView->page(), &event1);
 645             }
 646         }
 647     }
 648 }
 649
 650 void MainWindow::loggedIn(bool logged)
 651 {
 652     qDebug() << __PRETTY_FUNCTION__;
 653
 654     m_loggedIn = logged;
 655
 656     if(logged) {
 657         m_loginAct->setText(tr("Logout"));
 658     } else {
 659         clearCookieJar();
 660         m_email.clear();
 661         m_password.clear();
 662
 663         m_loginAct->setText(tr("Login"));
 664     }
 665     updateItemVisibility();
 666 }
 667
 668 void MainWindow::loginFailed()
 669 {
 670     qDebug() << __PRETTY_FUNCTION__;
 671
 672     clearCookieJar();
 673     startLoginProcess();
 674 }
 675
 676 bool MainWindow::loginState()
 677 {
 678     qDebug() << __PRETTY_FUNCTION__;
 679
 680     return m_loggedIn;
 681 }
 682
 683 void MainWindow::loginUsingCookies()
 684 {
 685     qDebug() << __PRETTY_FUNCTION__;
 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     if(m_loggedIn) {
 884         if(!m_friendsListPanel->isVisible()) {
 885             m_friendsListPanel->show();
 886             m_friendsListPanelSidebar->show();
 887         }
 888
 889         if(!m_userPanel->isVisible()) {
 890             m_userPanel->show();
 891             m_userPanelSidebar->show();
 892         }
 893     }
 894 }
 895
 896 void MainWindow::startLoginProcess()
 897 {
 898     qDebug() << __PRETTY_FUNCTION__;
 899
 900     LoginDialog *loginDialog = new LoginDialog();
 901
 902     emit fetchUsernameFromSettings();
 903
 904     loginDialog->clearTextFields();
 905
 906     if(!m_email.isEmpty())
 907         loginDialog->setEmailField(m_email);
 908
 909     queueDialog(loginDialog);
 910 }
 911
 912 void MainWindow::toggleProgressIndicator(bool value)
 913 {
 914     qDebug() << __PRETTY_FUNCTION__;
 915
 916 #ifdef Q_WS_MAEMO_5
 917     if(value) {
 918         m_progressIndicatorCount++;
 919         setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
 920     } else {
 921         if(m_progressIndicatorCount > 0)
 922             m_progressIndicatorCount--;
 923
 924         if(m_progressIndicatorCount == 0)
 925             setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
 926     }
 927 #else
 928     Q_UNUSED(value);
 929 #endif // Q_WS_MAEMO_5
 930 }
 931
 932 void MainWindow::updateItemVisibility()
 933 {
 934     qDebug() << __PRETTY_FUNCTION__;
 935
 936     if(m_loggedIn) {
 937
 938         if(!m_gpsToggleAct->isChecked())
 939             setOwnLocationCrosshairVisibility(true);
 940     } else {
 941         m_friendsListPanel->closePanel();
 942         m_friendsListPanel->hide();
 943         m_friendsListPanelSidebar->hide();
 944         m_userPanel->closePanel();
 945         m_userPanel->hide();
 946         m_userPanelSidebar->hide();
 947         setOwnLocationCrosshairVisibility(false);
 948     }
 949     drawFullScreenButton(m_viewPortSize);
 950 }
 951
 952 const QString MainWindow::username()
 953 {
 954     qDebug() << __PRETTY_FUNCTION__;
 955
 956     return m_email;
 957 }
 958
 959 void MainWindow::webViewRequestFinished(QNetworkReply *reply)
 960 {
 961     qDebug() << __PRETTY_FUNCTION__;
 962
 963     // omit QNetworkReply::OperationCanceledError due to it's nature to be called when ever
 964     // qwebview starts to load a new page while the current page loading is not finished
 965     if(reply->error() != QNetworkReply::OperationCanceledError &&
 966        reply->error() != QNetworkReply::NoError) {
 967         emit error(reply->error());
 968     }
 969 }
 970