src/gui/mainwindow.cpp

   1 /*
   2  * Copyright (C) 2010 Ixonos Plc.
   3  * Copyright (C) 2011-2013 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
  28 #include "sqlengine.h"
  29
  30 #include "track.h"
  31 #include "eventmodel.h"
  32 #include "delegate.h"
  33 #include "room.h"
  34
  35 #include "conference.h"
  36
  37 #include <QDialog>
  38 #include <QMessageBox>
  39
  40 #include "ui_about.h"
  41 #include "eventdialog.h"
  42 #include "daynavigatorwidget.h"
  43 #include "settingsdialog.h"
  44 #include "conferenceeditor.h"
  45 #include "schedulexmlparser.h"
  46 #include "errormessage.h"
  47
  48 #include "tabcontainer.h"
  49 #include "appsettings.h"
  50
  51 const QString PROXY_USERNAME;
  52 const QString PROXY_PASSWD;
  53
  54 MainWindow::MainWindow(QWidget* parent): QMainWindow(parent) {
  55     setupUi(this);
  56
  57     // Open database
  58     sqlEngine = new SqlEngine(this);
  59     searchTabContainer->setSqlEngine(sqlEngine);
  60     connect(sqlEngine, SIGNAL(dbError(QString)), this, SLOT(showError(QString)));
  61     sqlEngine->open();
  62     sqlEngine->createOrUpdateDbSchema();
  63
  64     conferenceModel = new ConferenceModel(this);
  65     mXmlParser = new ScheduleXmlParser(sqlEngine, this);
  66     mNetworkAccessManager = new QNetworkAccessManager(this);
  67     systemTrayIcon = new QSystemTrayIcon(qApp->windowIcon(), this);
  68     alarmTimer = new QTimer(this);
  69
  70     alarmTimer->setInterval(60000);
  71     alarmTimer->start();
  72     saved_title = windowTitle();
  73
  74 #ifdef N810
  75     tabWidget->setTabText(1,"Favs");
  76     //tabWidget->setTabText(2,"Day");
  77 #endif
  78
  79     // first time run aplication: -> let's have it direct connection in this case
  80     if(!AppSettings::contains("proxyIsDirectConnection"))
  81         AppSettings::setDirectConnection(true);
  82
  83     QNetworkProxy proxy(
  84             AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
  85             AppSettings::proxyAddress(),
  86             AppSettings::proxyPort(),
  87             PROXY_USERNAME,
  88             PROXY_PASSWD);
  89     QNetworkProxy::setApplicationProxy(proxy);
  90
  91     // event details have changed
  92     connect(dayTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  93     connect(favsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  94     connect(tracksTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  95     connect(roomsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  96     connect(searchTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  97
  98     // date has changed
  99     connect(dayNavigator, SIGNAL(dateChanged(QDate)), dayTabContainer, SLOT(redisplayDate(QDate)));
 100     connect(dayNavigator, SIGNAL(dateChanged(QDate)), favsTabContainer, SLOT(redisplayDate(QDate)));
 101     connect(dayNavigator, SIGNAL(dateChanged(QDate)), tracksTabContainer, SLOT(redisplayDate(QDate)));
 102     connect(dayNavigator, SIGNAL(dateChanged(QDate)), roomsTabContainer, SLOT(redisplayDate(QDate)));
 103     connect(dayNavigator, SIGNAL(dateChanged(QDate)), searchTabContainer, SLOT(redisplayDate(QDate)));
 104
 105     // search result has changed
 106     connect(searchTabContainer, SIGNAL(searchResultChanged()), SLOT(onSearchResultChanged()));
 107
 108     // systm tray icon
 109     connect(systemTrayIcon, SIGNAL(messageClicked()), SLOT(onSystemTrayMessageClicked()));
 110     connect(systemTrayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), SLOT(onSystemTrayMessageClicked()));
 111
 112     // timer
 113     connect(alarmTimer, SIGNAL(timeout()), SLOT(onAlarmTimerTimeout()));
 114
 115     useConference(Conference::activeConference());
 116     // optimization, see useConference() code
 117     try {
 118         initTabs();
 119     } catch (const OrmException& e) {
 120         qDebug() << "OrmException:" << e.text();
 121         clearTabs();
 122     }
 123
 124     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
 125     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
 126     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), conferenceModel, SLOT(newConferenceEnd(int)));
 127 }
 128
 129
 130 MainWindow::~MainWindow() {
 131     sqlEngine->close();
 132 }
 133
 134
 135 void MainWindow::on_aboutAction_triggered()
 136 {
 137     QDialog dialog(this);
 138     Ui::AboutDialog ui;
 139     ui.setupUi(&dialog);
 140     ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
 141 #ifdef N810
 142     dialog.setFixedWidth(width());
 143 #endif
 144     dialog.exec();
 145 }
 146
 147
 148 void MainWindow::on_reloadAction_triggered() {
 149     int confId = Conference::activeConference();
 150     if (confId== -1) return;
 151     Conference active = Conference::getById(confId);
 152     if (active.url().isEmpty()) return;
 153     importFromNetwork(active.url(), confId);
 154     setEnabled(false);
 155 }
 156
 157
 158 void MainWindow::on_nowAction_triggered() {
 159     int confId = Conference::activeConference();
 160     if (confId== -1) return;
 161     dayNavigator->setCurDate(QDate::currentDate());
 162     dayTabContainer->expandTimeGroup(QTime::currentTime(), confId);
 163 }
 164
 165
 166 void MainWindow::on_searchAction_triggered() {
 167     if (tabWidget->currentWidget() == searchTab)
 168         searchTabContainer->showSearchDialog(!searchTabContainer->searchDialogIsVisible());
 169     else {
 170         tabWidget->setCurrentWidget(searchTab);
 171         searchTabContainer->showSearchDialog();
 172     }
 173 }
 174
 175
 176 void MainWindow::on_expandAllAction_triggered() {
 177     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->expandAll();
 178     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->expandAll();
 179     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->expandAll();
 180     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->expandAll();
 181     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->expandAll();
 182 }
 183
 184
 185 void MainWindow::on_collapseAllAction_triggered() {
 186     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->collapseAll();
 187     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->collapseAll();
 188     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->collapseAll();
 189     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->collapseAll();
 190     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->collapseAll();
 191 }
 192
 193
 194 void MainWindow::onEventChanged(int aEventId, bool favouriteChanged) {
 195     dayTabContainer->redisplayEvent(aEventId);
 196     if (favouriteChanged) favsTabContainer->redisplayDate(dayNavigator->curDate());
 197     else favsTabContainer->redisplayEvent(aEventId);
 198     tracksTabContainer->redisplayEvent(aEventId);
 199     roomsTabContainer->redisplayEvent(aEventId);
 200     searchTabContainer->redisplayEvent(aEventId);
 201 }
 202
 203
 204 void MainWindow::onSearchResultChanged() {
 205     // Are results found on the current date?
 206     QDate date = dayNavigator->curDate();
 207     int count = searchTabContainer->searchResultCount(date);
 208     if (count > 0) {searchTabContainer->redisplayDate(date); return;}
 209
 210     // Are results found in the future?
 211     for (date = date.addDays(1); date <= dayNavigator->endDate(); date = date.addDays(1)) {
 212         int count = searchTabContainer->searchResultCount(date);
 213         if (count > 0) {dayNavigator->setCurDate(date); return;}
 214     }
 215
 216     // Are results found in the past?
 217     for (date = dayNavigator->startDate(); date < dayNavigator->curDate(); date = date.addDays(1)) {
 218         int count = searchTabContainer->searchResultCount(date);
 219         if (count > 0) {dayNavigator->setCurDate(date); return;}
 220     }
 221     // No results were found
 222     searchTabContainer->redisplayDate(dayNavigator->curDate());
 223 }
 224
 225
 226 void MainWindow::onSystemTrayMessageClicked() {
 227     systemTrayIcon->hide();
 228 }
 229
 230
 231 void MainWindow::onAlarmTimerTimeout() {
 232     // determine if an alarm is set on an event that's starting soon
 233     QList<Event> events = Event::getImminentAlarmEvents(AppSettings::preEventAlarmSec(), Conference::activeConference());
 234     if (events.empty()) return;
 235
 236     // build a message string
 237     Event event;
 238     QString title;
 239     QString message;
 240     if (events.size() == 1) {
 241         event = events.first();
 242         title = tr("Next event at %1").arg(event.start().toString("HH:mm"));
 243         message = tr("\"%1\"\n(%2)").arg(event.title()).arg(event.room()->name());
 244     } else {
 245         title = tr("%1 upcoming events").arg(events.size());
 246         QStringList messages;
 247         foreach (event, events) {
 248             messages += tr("%1: \"%2\" (%3)").arg(event.start().toString("HH:mm")).arg(event.title()).arg(event.room()->name());
 249         }
 250         message = messages.join("\n");
 251     }
 252
 253     // and delete the corresponding alarm
 254     foreach (event, events) {
 255         event.setHasAlarm(false);
 256         event.update("alarm");
 257         onEventChanged(event.id(), false);
 258     }
 259
 260     // show message
 261     systemTrayIcon->show();
 262     // The next two lines are to prevent a very strange position of the message box the first time at X11/aweseome (not Win32/XP)
 263     systemTrayIcon->showMessage("ConfClerk", "Your upcoming events", QSystemTrayIcon::Information);
 264     qApp->processEvents();
 265     systemTrayIcon->showMessage(title, message, QSystemTrayIcon::Information, 60*60*24*1000);
 266     QApplication::alert(this);
 267     QApplication::beep();
 268 }
 269
 270
 271 void MainWindow::useConference(int conferenceId)
 272 {
 273     if (conferenceId == -1)  // in case no conference is active
 274     {
 275         unsetConference();
 276         return;
 277     }
 278     try {
 279         int oldActiveConferenceId = Conference::activeConference();
 280         bool switchActiveConference = conferenceId != oldActiveConferenceId;
 281         if (switchActiveConference) Conference::getById(oldActiveConferenceId).update("active", 0);
 282         Conference activeConference = Conference::getById(conferenceId);
 283         if (switchActiveConference) activeConference.update("active",1);
 284
 285         // looks like it does not work at n900
 286         setWindowTitle(activeConference.title());
 287
 288         // optimization.
 289         // dont run initTabs() here
 290         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 291         // and is not seen in maemo WM anyway
 292         // instead run it explicitly
 293         // 1. at startup
 294         // 2. when ConferenceEditor finished
 295         // dont forget to protect the calls by try-catch!
 296
 297         // just in case, clear conference selection instead
 298         clearTabs();
 299
 300         // end of optimization
 301         // initTabs();
 302     } catch (OrmException& e) {
 303         // cannon set an active conference
 304         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 305         return;
 306     }
 307
 308 }
 309
 310 void MainWindow::initTabs()
 311 {
 312     int confId = Conference::activeConference();
 313     if (confId != -1)   // only init tabs if a conference is active
 314     {
 315         Conference active = Conference::getById(confId);
 316         QDate startDate = active.start();
 317         QDate endDate = active.end();
 318
 319         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 320         dayNavigator->setDates(startDate, endDate);
 321         nowAction->trigger();
 322     }
 323 }
 324
 325 void MainWindow::clearTabs()
 326 {
 327     dayTabContainer->clearModel();
 328     tracksTabContainer->clearModel();
 329     roomsTabContainer->clearModel();
 330     favsTabContainer->clearModel();
 331     searchTabContainer->clearModel();
 332 }
 333
 334 void MainWindow::unsetConference()
 335 {
 336     clearTabs();
 337     dayNavigator->unsetDates();
 338     setWindowTitle(saved_title);
 339 }
 340
 341
 342 void MainWindow::showError(const QString& message) {
 343     error_message(message);
 344 }
 345
 346
 347 void MainWindow::on_settingsAction_triggered()
 348 {
 349     SettingsDialog dialog;
 350     dialog.loadDialogData();
 351     if (dialog.exec() == QDialog::Accepted) {
 352         dialog.saveDialogData();
 353         QNetworkProxy proxy(
 354                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 355                 AppSettings::proxyAddress(),
 356                 AppSettings::proxyPort(),
 357                 PROXY_USERNAME,
 358                 PROXY_PASSWD);
 359         QNetworkProxy::setApplicationProxy(proxy);
 360     }
 361 }
 362
 363 /** Create and run ConferenceEditor dialog, making required connections for it.
 364
 365 This method manages, which classes actually perform changes in conference list.
 366
 367 There are several classes that modify the conferences:
 368 this:
 369  deletion and URL update.
 370 this, mXmlParser and mNetworkAccessManager:
 371  addition and refresh.
 372 */
 373 void MainWindow::on_conferencesAction_triggered()
 374 {
 375     ConferenceEditor dialog(conferenceModel, this);
 376
 377     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
 378     connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
 379     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 380     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 381                     SLOT(changeConferenceUrl(int, const QString&)));
 382
 383     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 384     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 385
 386     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 387     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 388     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
 389
 390     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 391
 392     dialog.exec();
 393
 394     // optimization, see useConference() code
 395     try {
 396         initTabs();
 397     } catch (OrmException) {
 398         clearTabs();
 399     }
 400 }
 401
 402 void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
 403     if (aReply->error() != QNetworkReply::NoError) {
 404         error_message(QString("Error occured during download: ") + aReply->errorString());
 405     } else {
 406         QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
 407         if (!redirectUrl.isEmpty()) {
 408             if (redirectUrl != aReply->request().url()) {
 409                 importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
 410                 return; // don't enable controls
 411             } else {
 412                 error_message(QString("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
 413             }
 414         } else {
 415             importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
 416         }
 417     }
 418     setEnabled(true);
 419 }
 420
 421 void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
 422 {
 423     mXmlParser->parseData(aData, url, conferenceId);
 424 }
 425
 426 void MainWindow::importFromNetwork(const QString& url, int conferenceId)
 427 {
 428     QNetworkRequest request;
 429     request.setUrl(QUrl(url));
 430     request.setAttribute(QNetworkRequest::User, conferenceId);
 431
 432     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 433     mNetworkAccessManager->get(request);
 434 }
 435
 436 void MainWindow::importFromFile(const QString& filename, int conferenceId)
 437 {
 438     QFile file(filename);
 439     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 440         static const QString format("Cannot read \"%1\": error %2");
 441         error_message(format.arg(filename, QString::number(file.error())));
 442     }
 443
 444     importData(file.readAll(), "", conferenceId);
 445 }
 446
 447
 448 void MainWindow::removeConference(int id) {
 449     sqlEngine->deleteConference(id);
 450     conferenceModel->conferenceRemoved();
 451     emit conferenceRemoved();
 452 }
 453
 454
 455 void MainWindow::changeConferenceUrl(int id, const QString& url) {
 456     Conference::getById(id).setUrl(url);
 457 }
 458