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 void MainWindow::on_aboutAction_triggered()
 131 {
 132     QDialog dialog(this);
 133     Ui::AboutDialog ui;
 134     ui.setupUi(&dialog);
 135     ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
 136 #ifdef N810
 137     dialog.setFixedWidth(width());
 138 #endif
 139     dialog.exec();
 140 }
 141
 142
 143 void MainWindow::on_reloadAction_triggered() {
 144     int confId = Conference::activeConference();
 145     if (confId== -1) return;
 146     Conference active = Conference::getById(confId);
 147     if (active.url().isEmpty()) return;
 148     importFromNetwork(active.url(), confId);
 149     setEnabled(false);
 150 }
 151
 152
 153 void MainWindow::on_nowAction_triggered() {
 154     int confId = Conference::activeConference();
 155     if (confId== -1) return;
 156     dayNavigator->setCurDate(QDate::currentDate());
 157     dayTabContainer->expandTimeGroup(QTime::currentTime(), confId);
 158 }
 159
 160
 161 void MainWindow::on_searchAction_triggered() {
 162     if (tabWidget->currentWidget() == searchTab)
 163         searchTabContainer->showSearchDialog(!searchTabContainer->searchDialogIsVisible());
 164     else {
 165         tabWidget->setCurrentWidget(searchTab);
 166         searchTabContainer->showSearchDialog();
 167     }
 168 }
 169
 170
 171 void MainWindow::on_expandAllAction_triggered() {
 172     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->expandAll();
 173     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->expandAll();
 174     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->expandAll();
 175     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->expandAll();
 176     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->expandAll();
 177 }
 178
 179
 180 void MainWindow::on_collapseAllAction_triggered() {
 181     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->collapseAll();
 182     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->collapseAll();
 183     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->collapseAll();
 184     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->collapseAll();
 185     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->collapseAll();
 186 }
 187
 188
 189 void MainWindow::onEventChanged(int aEventId, bool favouriteChanged) {
 190     dayTabContainer->redisplayEvent(aEventId);
 191     if (favouriteChanged) favsTabContainer->redisplayDate(dayNavigator->curDate());
 192     else favsTabContainer->redisplayEvent(aEventId);
 193     tracksTabContainer->redisplayEvent(aEventId);
 194     roomsTabContainer->redisplayEvent(aEventId);
 195     searchTabContainer->redisplayEvent(aEventId);
 196 }
 197
 198
 199 void MainWindow::onSearchResultChanged() {
 200     // Are results found on the current date?
 201     QDate date = dayNavigator->curDate();
 202     int count = searchTabContainer->searchResultCount(date);
 203     if (count > 0) {searchTabContainer->redisplayDate(date); return;}
 204
 205     // Are results found in the future?
 206     for (date = date.addDays(1); date <= dayNavigator->endDate(); date = date.addDays(1)) {
 207         int count = searchTabContainer->searchResultCount(date);
 208         if (count > 0) {dayNavigator->setCurDate(date); return;}
 209     }
 210
 211     // Are results found in the past?
 212     for (date = dayNavigator->startDate(); date < dayNavigator->curDate(); date = date.addDays(1)) {
 213         int count = searchTabContainer->searchResultCount(date);
 214         if (count > 0) {dayNavigator->setCurDate(date); return;}
 215     }
 216     // No results were found
 217     searchTabContainer->redisplayDate(dayNavigator->curDate());
 218 }
 219
 220
 221 void MainWindow::onSystemTrayMessageClicked() {
 222     systemTrayIcon->hide();
 223 }
 224
 225
 226 void MainWindow::onAlarmTimerTimeout() {
 227     // determine if an alarm is set on an event that's starting soon
 228     QList<Event> events = Event::getImminentAlarmEvents(AppSettings::preEventAlarmSec(), Conference::activeConference());
 229     if (events.empty()) return;
 230
 231     // build a message string
 232     Event event;
 233     QString title;
 234     QString message;
 235     if (events.size() == 1) {
 236         event = events.first();
 237         title = tr("Next event at %1").arg(event.start().toString("HH:mm"));
 238         message = tr("\"%1\"\n(%2)").arg(event.title()).arg(event.room()->name());
 239     } else {
 240         title = tr("%1 upcoming events").arg(events.size());
 241         QStringList messages;
 242         foreach (event, events) {
 243             messages += tr("%1: \"%2\" (%3)").arg(event.start().toString("HH:mm")).arg(event.title()).arg(event.room()->name());
 244         }
 245         message = messages.join("\n");
 246     }
 247
 248     // and delete the corresponding alarm
 249     foreach (event, events) {
 250         event.setHasAlarm(false);
 251         event.update("alarm");
 252         onEventChanged(event.id(), false);
 253     }
 254
 255     // show message
 256     systemTrayIcon->show();
 257     // The next two lines are to prevent a very strange position of the message box the first time at X11/aweseome (not Win32/XP)
 258     systemTrayIcon->showMessage("ConfClerk", "Your upcoming events", QSystemTrayIcon::Information);
 259     qApp->processEvents();
 260     systemTrayIcon->showMessage(title, message, QSystemTrayIcon::Information, 60*60*24*1000);
 261     QApplication::alert(this);
 262     QApplication::beep();
 263 }
 264
 265
 266 void MainWindow::useConference(int conferenceId)
 267 {
 268     if (conferenceId == -1)  // in case no conference is active
 269     {
 270         unsetConference();
 271         return;
 272     }
 273     try {
 274         int oldActiveConferenceId = Conference::activeConference();
 275         bool switchActiveConference = conferenceId != oldActiveConferenceId;
 276         if (switchActiveConference) Conference::getById(oldActiveConferenceId).update("active", 0);
 277         Conference activeConference = Conference::getById(conferenceId);
 278         if (switchActiveConference) activeConference.update("active",1);
 279
 280         // looks like it does not work at n900
 281         setWindowTitle(activeConference.title());
 282
 283         // optimization.
 284         // dont run initTabs() here
 285         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 286         // and is not seen in maemo WM anyway
 287         // instead run it explicitly
 288         // 1. at startup
 289         // 2. when ConferenceEditor finished
 290         // dont forget to protect the calls by try-catch!
 291
 292         // just in case, clear conference selection instead
 293         clearTabs();
 294
 295         // end of optimization
 296         // initTabs();
 297     } catch (OrmException& e) {
 298         // cannon set an active conference
 299         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 300         return;
 301     }
 302
 303 }
 304
 305 void MainWindow::initTabs()
 306 {
 307     int confId = Conference::activeConference();
 308     if (confId != -1)   // only init tabs if a conference is active
 309     {
 310         Conference active = Conference::getById(confId);
 311         QDate startDate = active.start();
 312         QDate endDate = active.end();
 313
 314         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 315         dayNavigator->setDates(startDate, endDate);
 316         nowAction->trigger();
 317     }
 318 }
 319
 320 void MainWindow::clearTabs()
 321 {
 322     dayTabContainer->clearModel();
 323     tracksTabContainer->clearModel();
 324     roomsTabContainer->clearModel();
 325     favsTabContainer->clearModel();
 326     searchTabContainer->clearModel();
 327 }
 328
 329 void MainWindow::unsetConference()
 330 {
 331     clearTabs();
 332     dayNavigator->unsetDates();
 333     setWindowTitle(saved_title);
 334 }
 335
 336
 337 void MainWindow::showError(const QString& message) {
 338     error_message(message);
 339 }
 340
 341
 342 void MainWindow::on_settingsAction_triggered()
 343 {
 344     SettingsDialog dialog;
 345     dialog.loadDialogData();
 346     if (dialog.exec() == QDialog::Accepted) {
 347         dialog.saveDialogData();
 348         QNetworkProxy proxy(
 349                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 350                 AppSettings::proxyAddress(),
 351                 AppSettings::proxyPort(),
 352                 PROXY_USERNAME,
 353                 PROXY_PASSWD);
 354         QNetworkProxy::setApplicationProxy(proxy);
 355     }
 356 }
 357
 358 /** Create and run ConferenceEditor dialog, making required connections for it.
 359
 360 This method manages, which classes actually perform changes in conference list.
 361
 362 There are several classes that modify the conferences:
 363 this:
 364  deletion and URL update.
 365 this, mXmlParser and mNetworkAccessManager:
 366  addition and refresh.
 367 */
 368 void MainWindow::on_conferencesAction_triggered()
 369 {
 370     ConferenceEditor dialog(conferenceModel, this);
 371
 372     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
 373     connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
 374     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 375     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 376                     SLOT(changeConferenceUrl(int, const QString&)));
 377
 378     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 379     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 380
 381     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 382     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 383     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
 384
 385     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 386
 387     dialog.exec();
 388
 389     // optimization, see useConference() code
 390     try {
 391         initTabs();
 392     } catch (OrmException) {
 393         clearTabs();
 394     }
 395 }
 396
 397 void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
 398     if (aReply->error() != QNetworkReply::NoError) {
 399         error_message(QString("Error occured during download: ") + aReply->errorString());
 400     } else {
 401         QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
 402         if (!redirectUrl.isEmpty()) {
 403             if (redirectUrl != aReply->request().url()) {
 404                 importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
 405                 return; // don't enable controls
 406             } else {
 407                 error_message(QString("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
 408             }
 409         } else {
 410             importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
 411         }
 412     }
 413     setEnabled(true);
 414 }
 415
 416 void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
 417 {
 418     mXmlParser->parseData(aData, url, conferenceId);
 419 }
 420
 421 void MainWindow::importFromNetwork(const QString& url, int conferenceId)
 422 {
 423     QNetworkRequest request;
 424     request.setUrl(QUrl(url));
 425     request.setAttribute(QNetworkRequest::User, conferenceId);
 426
 427     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 428     mNetworkAccessManager->get(request);
 429 }
 430
 431 void MainWindow::importFromFile(const QString& filename, int conferenceId)
 432 {
 433     QFile file(filename);
 434     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 435         static const QString format("Cannot read \"%1\": error %2");
 436         error_message(format.arg(filename, QString::number(file.error())));
 437     }
 438
 439     importData(file.readAll(), "", conferenceId);
 440 }
 441
 442
 443 void MainWindow::removeConference(int id) {
 444     sqlEngine->deleteConference(id);
 445     conferenceModel->conferenceRemoved();
 446     emit conferenceRemoved();
 447 }
 448
 449
 450 void MainWindow::changeConferenceUrl(int id, const QString& url) {
 451     Conference::getById(id).setUrl(url);
 452 }
 453