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