src/gui/mainwindow.cpp

   1 /*
   2  * Copyright (C) 2010 Ixonos Plc.
   3  * Copyright (C) 2011-2017 Philipp Spitzer, gregor herrmann, Stefan Stahl
   4  *
   5  * This file is part of ConfClerk.
   6  *
   7  * ConfClerk is free software: you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation, either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * ConfClerk is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20 #include "mainwindow.h"
  21
  22 #include <QTreeView>
  23 #include <QFile>
  24 #include <QNetworkProxy>
  25 #include <QNetworkAccessManager>
  26 #include <QNetworkReply>
  27 #include <QSslConfiguration>
  28
  29 #include "sqlengine.h"
  30
  31 #include "track.h"
  32 #include "eventmodel.h"
  33 #include "delegate.h"
  34 #include "room.h"
  35
  36 #include "conference.h"
  37
  38 #include <QDialog>
  39 #include <QMessageBox>
  40
  41 #include "ui_about.h"
  42 #include "eventdialog.h"
  43 #include "daynavigatorwidget.h"
  44 #include "settingsdialog.h"
  45 #include "conferenceeditor.h"
  46 #include "schedulexmlparser.h"
  47 #include "errormessage.h"
  48
  49 #include "tabcontainer.h"
  50 #include "appsettings.h"
  51
  52 const QString PROXY_USERNAME;
  53 const QString PROXY_PASSWD;
  54
  55 MainWindow::MainWindow(QWidget* parent): QMainWindow(parent) {
  56     setupUi(this);
  57
  58     // Open database
  59     sqlEngine = new SqlEngine(this);
  60     searchTabContainer->setSqlEngine(sqlEngine);
  61     connect(sqlEngine, SIGNAL(dbError(QString)), this, SLOT(showError(QString)));
  62     sqlEngine->open();
  63     sqlEngine->createOrUpdateDbSchema();
  64
  65     conferenceModel = new ConferenceModel(this);
  66     mXmlParser = new ScheduleXmlParser(sqlEngine, this);
  67     mNetworkAccessManager = new QNetworkAccessManager(this);
  68     systemTrayIcon = new QSystemTrayIcon(qApp->windowIcon(), this);
  69     alarmTimer = new QTimer(this);
  70
  71     alarmTimer->setInterval(60000);
  72     alarmTimer->start();
  73     saved_title = windowTitle();
  74
  75 #ifdef N810
  76     tabWidget->setTabText(1,"Favs");
  77     //tabWidget->setTabText(2,"Day");
  78 #endif
  79
  80     // first time run aplication: -> let's have it direct connection in this case
  81     if(!AppSettings::contains("proxyIsDirectConnection"))
  82         AppSettings::setDirectConnection(true);
  83
  84     QNetworkProxy proxy(
  85             AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : (QNetworkProxy::ProxyType)AppSettings::proxyType(),
  86             AppSettings::proxyAddress(),
  87             AppSettings::proxyPort(),
  88             PROXY_USERNAME,
  89             PROXY_PASSWD);
  90     QNetworkProxy::setApplicationProxy(proxy);
  91
  92     // event details have changed
  93     connect(dayTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  94     connect(favsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  95     connect(tracksTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  96     connect(roomsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  97     connect(searchTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  98
  99     // date has changed
 100     connect(dayNavigator, SIGNAL(dateChanged(QDate)), dayTabContainer, SLOT(redisplayDate(QDate)));
 101     connect(dayNavigator, SIGNAL(dateChanged(QDate)), favsTabContainer, SLOT(redisplayDate(QDate)));
 102     connect(dayNavigator, SIGNAL(dateChanged(QDate)), tracksTabContainer, SLOT(redisplayDate(QDate)));
 103     connect(dayNavigator, SIGNAL(dateChanged(QDate)), roomsTabContainer, SLOT(redisplayDate(QDate)));
 104     connect(dayNavigator, SIGNAL(dateChanged(QDate)), searchTabContainer, SLOT(redisplayDate(QDate)));
 105
 106     // search result has changed
 107     connect(searchTabContainer, SIGNAL(searchResultChanged()), SLOT(onSearchResultChanged()));
 108
 109     // systm tray icon
 110     connect(systemTrayIcon, SIGNAL(messageClicked()), SLOT(onSystemTrayMessageClicked()));
 111     connect(systemTrayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), SLOT(onSystemTrayMessageClicked()));
 112
 113     // timer
 114     connect(alarmTimer, SIGNAL(timeout()), SLOT(onAlarmTimerTimeout()));
 115
 116     // add the actions from the main menu to the window, otherwise the shortcuts don't work on MAEMO
 117     addAction(conferencesAction);
 118     addAction(settingsAction);
 119     addAction(quitAction);
 120
 121     // make it impossible to hide the toolbar by disallowing its context menu
 122     toolBar->setContextMenuPolicy(Qt::PreventContextMenu);
 123
 124     // open conference
 125     useConference(Conference::activeConference());
 126     // optimization, see useConference() code
 127     try {
 128         initTabs();
 129     } catch (const OrmException& e) {
 130         qDebug() << "OrmException:" << e.text();
 131         clearTabs();
 132     }
 133
 134     connect(mNetworkAccessManager, SIGNAL(sslErrors(QNetworkReply*, QList<QSslError>)), SLOT(sslErrors(QNetworkReply*, QList<QSslError>)));
 135     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
 136     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
 137     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), conferenceModel, SLOT(newConferenceEnd(int)));
 138 }
 139
 140
 141 MainWindow::~MainWindow() {
 142     sqlEngine->close();
 143 }
 144
 145
 146 void MainWindow::on_aboutAction_triggered()
 147 {
 148     QDialog dialog(this);
 149     Ui::AboutDialog ui;
 150     ui.setupUi(&dialog);
 151     ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
 152 #ifdef N810
 153     dialog.setFixedWidth(width());
 154 #endif
 155     dialog.exec();
 156 }
 157
 158
 159 void MainWindow::on_reloadAction_triggered() {
 160     int confId = Conference::activeConference();
 161     if (confId== -1) return;
 162     Conference active = Conference::getById(confId);
 163     if (active.url().isEmpty()) return;
 164     importFromNetwork(active.url(), confId);
 165     setEnabled(false);
 166 }
 167
 168
 169 void MainWindow::on_nowAction_triggered() {
 170     int confId = Conference::activeConference();
 171     if (confId== -1) return;
 172     dayNavigator->setCurDate(QDate::currentDate());
 173     dayTabContainer->expandTimeGroup(QTime::currentTime(), confId);
 174 }
 175
 176
 177 void MainWindow::on_searchAction_triggered() {
 178     if (tabWidget->currentWidget() == searchTab)
 179         searchTabContainer->showSearchDialog(!searchTabContainer->searchDialogIsVisible());
 180     else {
 181         tabWidget->setCurrentWidget(searchTab);
 182         searchTabContainer->showSearchDialog();
 183     }
 184 }
 185
 186
 187 void MainWindow::on_expandAllAction_triggered() {
 188     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->expandAll();
 189     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->expandAll();
 190     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->expandAll();
 191     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->expandAll();
 192     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->expandAll();
 193 }
 194
 195
 196 void MainWindow::on_collapseAllAction_triggered() {
 197     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->collapseAll();
 198     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->collapseAll();
 199     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->collapseAll();
 200     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->collapseAll();
 201     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->collapseAll();
 202 }
 203
 204
 205 void MainWindow::onEventChanged(int aEventId, bool favouriteChanged) {
 206     dayTabContainer->redisplayEvent(aEventId);
 207     if (favouriteChanged) favsTabContainer->redisplayDate(dayNavigator->curDate());
 208     else favsTabContainer->redisplayEvent(aEventId);
 209     tracksTabContainer->redisplayEvent(aEventId);
 210     roomsTabContainer->redisplayEvent(aEventId);
 211     searchTabContainer->redisplayEvent(aEventId);
 212 }
 213
 214
 215 void MainWindow::onSearchResultChanged() {
 216     // Are results found on the current date?
 217     QDate date = dayNavigator->curDate();
 218     int count = searchTabContainer->searchResultCount(date);
 219     if (count > 0) {searchTabContainer->redisplayDate(date); return;}
 220
 221     // Are results found in the future?
 222     for (date = date.addDays(1); date <= dayNavigator->endDate(); date = date.addDays(1)) {
 223         int count = searchTabContainer->searchResultCount(date);
 224         if (count > 0) {dayNavigator->setCurDate(date); return;}
 225     }
 226
 227     // Are results found in the past?
 228     for (date = dayNavigator->startDate(); date < dayNavigator->curDate(); date = date.addDays(1)) {
 229         int count = searchTabContainer->searchResultCount(date);
 230         if (count > 0) {dayNavigator->setCurDate(date); return;}
 231     }
 232     // No results were found
 233     searchTabContainer->redisplayDate(dayNavigator->curDate());
 234 }
 235
 236
 237 void MainWindow::onSystemTrayMessageClicked() {
 238     systemTrayIcon->hide();
 239 }
 240
 241
 242 void MainWindow::onAlarmTimerTimeout() {
 243     // determine if an alarm is set on an event that's starting soon
 244     QList<Event> events = Event::getImminentAlarmEvents(AppSettings::preEventAlarmSec(), Conference::activeConference());
 245     if (events.empty()) return;
 246
 247     // build a message string
 248     Event event;
 249     QString title;
 250     QString message;
 251     if (events.size() == 1) {
 252         event = events.first();
 253         title = tr("Next event at %1").arg(event.start().toString("HH:mm"));
 254         message = tr("\"%1\"\n(%2)").arg(event.title()).arg(event.room()->name());
 255     } else {
 256         title = tr("%1 upcoming events").arg(events.size());
 257         QStringList messages;
 258         foreach (event, events) {
 259             messages += tr("%1: \"%2\" (%3)").arg(event.start().toString("HH:mm")).arg(event.title()).arg(event.room()->name());
 260         }
 261         message = messages.join("\n");
 262     }
 263
 264     // and delete the corresponding alarm
 265     foreach (event, events) {
 266         event.setHasAlarm(false);
 267         event.update("alarm");
 268         onEventChanged(event.id(), false);
 269     }
 270
 271     // show message
 272     systemTrayIcon->show();
 273     // The next two lines are to prevent a very strange position of the message box the first time at X11/aweseome (not Win32/XP)
 274     systemTrayIcon->showMessage("ConfClerk", tr("Your upcoming events"), QSystemTrayIcon::Information);
 275     qApp->processEvents();
 276     systemTrayIcon->showMessage(title, message, QSystemTrayIcon::Information, 60*60*24*1000);
 277     QApplication::alert(this);
 278     QApplication::beep();
 279 }
 280
 281
 282 void MainWindow::useConference(int conferenceId)
 283 {
 284     if (conferenceId == -1)  // in case no conference is active
 285     {
 286         unsetConference();
 287         return;
 288     }
 289     try {
 290         int oldActiveConferenceId = Conference::activeConference();
 291         bool switchActiveConference = conferenceId != oldActiveConferenceId;
 292         if (switchActiveConference) Conference::getById(oldActiveConferenceId).update("active", 0);
 293         Conference activeConference = Conference::getById(conferenceId);
 294         if (switchActiveConference) activeConference.update("active",1);
 295
 296         // looks like it does not work at n900
 297         setWindowTitle(activeConference.title());
 298
 299         // optimization.
 300         // dont run initTabs() here
 301         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 302         // and is not seen in maemo WM anyway
 303         // instead run it explicitly
 304         // 1. at startup
 305         // 2. when ConferenceEditor finished
 306         // dont forget to protect the calls by try-catch!
 307
 308         // just in case, clear conference selection instead
 309         clearTabs();
 310
 311         // end of optimization
 312         // initTabs();
 313     } catch (const OrmException& e) {
 314         qDebug() << "OrmException:" << e.text();
 315         // cannon set an active conference
 316         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 317         return;
 318     }
 319
 320 }
 321
 322 void MainWindow::initTabs()
 323 {
 324     int confId = Conference::activeConference();
 325     if (confId != -1)   // only init tabs if a conference is active
 326     {
 327         Conference active = Conference::getById(confId);
 328         QDate startDate = active.start();
 329         QDate endDate = active.end();
 330
 331         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 332         dayNavigator->setDates(startDate, endDate);
 333         nowAction->trigger();
 334     }
 335 }
 336
 337 void MainWindow::clearTabs()
 338 {
 339     dayTabContainer->clearModel();
 340     tracksTabContainer->clearModel();
 341     roomsTabContainer->clearModel();
 342     favsTabContainer->clearModel();
 343     searchTabContainer->clearModel();
 344 }
 345
 346 void MainWindow::unsetConference()
 347 {
 348     clearTabs();
 349     dayNavigator->unsetDates();
 350     setWindowTitle(saved_title);
 351 }
 352
 353
 354 void MainWindow::showError(const QString& message) {
 355     error_message(message);
 356 }
 357
 358
 359 void MainWindow::on_settingsAction_triggered()
 360 {
 361     SettingsDialog dialog;
 362     dialog.loadDialogData();
 363     if (dialog.exec() == QDialog::Accepted) {
 364         dialog.saveDialogData();
 365         QNetworkProxy proxy(
 366                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : (QNetworkProxy::ProxyType)AppSettings::proxyType(),
 367                 AppSettings::proxyAddress(),
 368                 AppSettings::proxyPort(),
 369                 PROXY_USERNAME,
 370                 PROXY_PASSWD);
 371         QNetworkProxy::setApplicationProxy(proxy);
 372     }
 373 }
 374
 375 /** Create and run ConferenceEditor dialog, making required connections for it.
 376
 377 This method manages, which classes actually perform changes in conference list.
 378
 379 There are several classes that modify the conferences:
 380 this:
 381  deletion and URL update.
 382 this, mXmlParser and mNetworkAccessManager:
 383  addition and refresh.
 384 */
 385 void MainWindow::on_conferencesAction_triggered()
 386 {
 387     ConferenceEditor dialog(conferenceModel, this);
 388
 389     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
 390     connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
 391     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 392     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 393                     SLOT(changeConferenceUrl(int, const QString&)));
 394
 395     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 396     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 397
 398     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 399     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 400     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
 401
 402     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 403
 404     dialog.exec();
 405
 406     // optimization, see useConference() code
 407     try {
 408         initTabs();
 409     } catch (const OrmException& e) {
 410         qDebug() << "OrmException:" << e.text();
 411         clearTabs();
 412     }
 413 }
 414
 415 void MainWindow::sslErrors(QNetworkReply *aReply, const QList<QSslError> &errors) {
 416     QString errorString;
 417     foreach (const QSslError &error, errors) {
 418         if (!errorString.isEmpty()) {
 419             errorString += ", ";
 420         }
 421         errorString += error.errorString();
 422     }
 423
 424     if (QMessageBox::warning(
 425                 this,
 426                 tr("SSL errors"),
 427                 tr("One or more SSL errors have occurred: %1", 0, errors.size()).arg(errorString),
 428                 QMessageBox::Ignore | QMessageBox::Cancel) == QMessageBox::Ignore) {
 429         aReply->ignoreSslErrors();
 430     } else {
 431         aReply->abort();
 432     }
 433 }
 434
 435 void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
 436     if (aReply->error() != QNetworkReply::NoError) {
 437         error_message(tr("Error occurred during download: %1").arg(aReply->errorString()));
 438     } else {
 439         QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
 440         if (!redirectUrl.isEmpty()) {
 441             if (redirectUrl != aReply->request().url()) {
 442                 importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
 443                 return; // don't enable controls
 444             } else {
 445                 error_message(tr("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
 446             }
 447         } else {
 448             importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
 449         }
 450     }
 451     setEnabled(true);
 452 }
 453
 454 void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
 455 {
 456     mXmlParser->parseData(aData, url, conferenceId);
 457 }
 458
 459 void MainWindow::importFromNetwork(const QString& url, int conferenceId)
 460 {
 461     QNetworkRequest request;
 462     QSslConfiguration qSslConfiguration = request.sslConfiguration();
 463     qSslConfiguration.setProtocol(QSsl::AnyProtocol);
 464     qSslConfiguration.setPeerVerifyMode(QSslSocket::QueryPeer);
 465     request.setUrl(QUrl(url));
 466     request.setSslConfiguration(qSslConfiguration);
 467     request.setAttribute(QNetworkRequest::User, conferenceId);
 468
 469     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 470     mNetworkAccessManager->get(request);
 471 }
 472
 473 void MainWindow::importFromFile(const QString& filename, int conferenceId)
 474 {
 475     QFile file(filename);
 476     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 477         static const QString format("Cannot read \"%1\": error %2");
 478         error_message(format.arg(filename, QString::number(file.error())));
 479     }
 480
 481     importData(file.readAll(), "", conferenceId);
 482 }
 483
 484
 485 void MainWindow::removeConference(int id) {
 486     sqlEngine->deleteConference(id);
 487     conferenceModel->conferenceRemoved();
 488     emit conferenceRemoved();
 489 }
 490
 491
 492 void MainWindow::changeConferenceUrl(int id, const QString& url) {
 493     Conference::getById(id).setUrl(url);
 494 }
 495