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::HttpProxy,
  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 (OrmException& e) {
 314         // cannon set an active conference
 315         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 316         return;
 317     }
 318
 319 }
 320
 321 void MainWindow::initTabs()
 322 {
 323     int confId = Conference::activeConference();
 324     if (confId != -1)   // only init tabs if a conference is active
 325     {
 326         Conference active = Conference::getById(confId);
 327         QDate startDate = active.start();
 328         QDate endDate = active.end();
 329
 330         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 331         dayNavigator->setDates(startDate, endDate);
 332         nowAction->trigger();
 333     }
 334 }
 335
 336 void MainWindow::clearTabs()
 337 {
 338     dayTabContainer->clearModel();
 339     tracksTabContainer->clearModel();
 340     roomsTabContainer->clearModel();
 341     favsTabContainer->clearModel();
 342     searchTabContainer->clearModel();
 343 }
 344
 345 void MainWindow::unsetConference()
 346 {
 347     clearTabs();
 348     dayNavigator->unsetDates();
 349     setWindowTitle(saved_title);
 350 }
 351
 352
 353 void MainWindow::showError(const QString& message) {
 354     error_message(message);
 355 }
 356
 357
 358 void MainWindow::on_settingsAction_triggered()
 359 {
 360     SettingsDialog dialog;
 361     dialog.loadDialogData();
 362     if (dialog.exec() == QDialog::Accepted) {
 363         dialog.saveDialogData();
 364         QNetworkProxy proxy(
 365                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 366                 AppSettings::proxyAddress(),
 367                 AppSettings::proxyPort(),
 368                 PROXY_USERNAME,
 369                 PROXY_PASSWD);
 370         QNetworkProxy::setApplicationProxy(proxy);
 371     }
 372 }
 373
 374 /** Create and run ConferenceEditor dialog, making required connections for it.
 375
 376 This method manages, which classes actually perform changes in conference list.
 377
 378 There are several classes that modify the conferences:
 379 this:
 380  deletion and URL update.
 381 this, mXmlParser and mNetworkAccessManager:
 382  addition and refresh.
 383 */
 384 void MainWindow::on_conferencesAction_triggered()
 385 {
 386     ConferenceEditor dialog(conferenceModel, this);
 387
 388     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
 389     connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
 390     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 391     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 392                     SLOT(changeConferenceUrl(int, const QString&)));
 393
 394     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 395     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 396
 397     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 398     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 399     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
 400
 401     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 402
 403     dialog.exec();
 404
 405     // optimization, see useConference() code
 406     try {
 407         initTabs();
 408     } catch (OrmException) {
 409         clearTabs();
 410     }
 411 }
 412
 413 void MainWindow::sslErrors(QNetworkReply *aReply, const QList<QSslError> &errors) {
 414     QString errorString;
 415     foreach (const QSslError &error, errors) {
 416         if (!errorString.isEmpty()) {
 417             errorString += ", ";
 418         }
 419         errorString += error.errorString();
 420     }
 421
 422     if (QMessageBox::warning(
 423                 this,
 424                 tr("SSL errors"),
 425                 tr("One or more SSL errors have occurred: %1", 0, errors.size()).arg(errorString),
 426                 QMessageBox::Ignore | QMessageBox::Cancel) == QMessageBox::Ignore) {
 427         aReply->ignoreSslErrors();
 428     } else {
 429         aReply->abort();
 430     }
 431 }
 432
 433 void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
 434     if (aReply->error() != QNetworkReply::NoError) {
 435         error_message(tr("Error occurred during download: %1").arg(aReply->errorString()));
 436     } else {
 437         QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
 438         if (!redirectUrl.isEmpty()) {
 439             if (redirectUrl != aReply->request().url()) {
 440                 importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
 441                 return; // don't enable controls
 442             } else {
 443                 error_message(tr("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
 444             }
 445         } else {
 446             importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
 447         }
 448     }
 449     setEnabled(true);
 450 }
 451
 452 void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
 453 {
 454     mXmlParser->parseData(aData, url, conferenceId);
 455 }
 456
 457 void MainWindow::importFromNetwork(const QString& url, int conferenceId)
 458 {
 459     QNetworkRequest request;
 460     QSslConfiguration qSslConfiguration = request.sslConfiguration();
 461     qSslConfiguration.setProtocol(QSsl::AnyProtocol);
 462     qSslConfiguration.setPeerVerifyMode(QSslSocket::QueryPeer);
 463     request.setUrl(QUrl(url));
 464     request.setSslConfiguration(qSslConfiguration);
 465     request.setAttribute(QNetworkRequest::User, conferenceId);
 466
 467     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 468     mNetworkAccessManager->get(request);
 469 }
 470
 471 void MainWindow::importFromFile(const QString& filename, int conferenceId)
 472 {
 473     QFile file(filename);
 474     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 475         static const QString format("Cannot read \"%1\": error %2");
 476         error_message(format.arg(filename, QString::number(file.error())));
 477     }
 478
 479     importData(file.readAll(), "", conferenceId);
 480 }
 481
 482
 483 void MainWindow::removeConference(int id) {
 484     sqlEngine->deleteConference(id);
 485     conferenceModel->conferenceRemoved();
 486     emit conferenceRemoved();
 487 }
 488
 489
 490 void MainWindow::changeConferenceUrl(int id, const QString& url) {
 491     Conference::getById(id).setUrl(url);
 492 }
 493