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     // add the actions from the main menu to the window, otherwise the shortcuts don't work on MAEMO
 116     addAction(conferencesAction);
 117     addAction(settingsAction);
 118     addAction(quitAction);
 119
 120     // open conference
 121     useConference(Conference::activeConference());
 122     // optimization, see useConference() code
 123     try {
 124         initTabs();
 125     } catch (const OrmException& e) {
 126         qDebug() << "OrmException:" << e.text();
 127         clearTabs();
 128     }
 129
 130     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
 131     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
 132     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), conferenceModel, SLOT(newConferenceEnd(int)));
 133 }
 134
 135
 136 MainWindow::~MainWindow() {
 137     sqlEngine->close();
 138 }
 139
 140
 141 void MainWindow::on_aboutAction_triggered()
 142 {
 143     QDialog dialog(this);
 144     Ui::AboutDialog ui;
 145     ui.setupUi(&dialog);
 146     ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
 147 #ifdef N810
 148     dialog.setFixedWidth(width());
 149 #endif
 150     dialog.exec();
 151 }
 152
 153
 154 void MainWindow::on_reloadAction_triggered() {
 155     int confId = Conference::activeConference();
 156     if (confId== -1) return;
 157     Conference active = Conference::getById(confId);
 158     if (active.url().isEmpty()) return;
 159     importFromNetwork(active.url(), confId);
 160     setEnabled(false);
 161 }
 162
 163
 164 void MainWindow::on_nowAction_triggered() {
 165     int confId = Conference::activeConference();
 166     if (confId== -1) return;
 167     dayNavigator->setCurDate(QDate::currentDate());
 168     dayTabContainer->expandTimeGroup(QTime::currentTime(), confId);
 169 }
 170
 171
 172 void MainWindow::on_searchAction_triggered() {
 173     if (tabWidget->currentWidget() == searchTab)
 174         searchTabContainer->showSearchDialog(!searchTabContainer->searchDialogIsVisible());
 175     else {
 176         tabWidget->setCurrentWidget(searchTab);
 177         searchTabContainer->showSearchDialog();
 178     }
 179 }
 180
 181
 182 void MainWindow::on_expandAllAction_triggered() {
 183     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->expandAll();
 184     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->expandAll();
 185     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->expandAll();
 186     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->expandAll();
 187     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->expandAll();
 188 }
 189
 190
 191 void MainWindow::on_collapseAllAction_triggered() {
 192     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->collapseAll();
 193     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->collapseAll();
 194     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->collapseAll();
 195     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->collapseAll();
 196     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->collapseAll();
 197 }
 198
 199
 200 void MainWindow::onEventChanged(int aEventId, bool favouriteChanged) {
 201     dayTabContainer->redisplayEvent(aEventId);
 202     if (favouriteChanged) favsTabContainer->redisplayDate(dayNavigator->curDate());
 203     else favsTabContainer->redisplayEvent(aEventId);
 204     tracksTabContainer->redisplayEvent(aEventId);
 205     roomsTabContainer->redisplayEvent(aEventId);
 206     searchTabContainer->redisplayEvent(aEventId);
 207 }
 208
 209
 210 void MainWindow::onSearchResultChanged() {
 211     // Are results found on the current date?
 212     QDate date = dayNavigator->curDate();
 213     int count = searchTabContainer->searchResultCount(date);
 214     if (count > 0) {searchTabContainer->redisplayDate(date); return;}
 215
 216     // Are results found in the future?
 217     for (date = date.addDays(1); date <= dayNavigator->endDate(); date = date.addDays(1)) {
 218         int count = searchTabContainer->searchResultCount(date);
 219         if (count > 0) {dayNavigator->setCurDate(date); return;}
 220     }
 221
 222     // Are results found in the past?
 223     for (date = dayNavigator->startDate(); date < dayNavigator->curDate(); date = date.addDays(1)) {
 224         int count = searchTabContainer->searchResultCount(date);
 225         if (count > 0) {dayNavigator->setCurDate(date); return;}
 226     }
 227     // No results were found
 228     searchTabContainer->redisplayDate(dayNavigator->curDate());
 229 }
 230
 231
 232 void MainWindow::onSystemTrayMessageClicked() {
 233     systemTrayIcon->hide();
 234 }
 235
 236
 237 void MainWindow::onAlarmTimerTimeout() {
 238     // determine if an alarm is set on an event that's starting soon
 239     QList<Event> events = Event::getImminentAlarmEvents(AppSettings::preEventAlarmSec(), Conference::activeConference());
 240     if (events.empty()) return;
 241
 242     // build a message string
 243     Event event;
 244     QString title;
 245     QString message;
 246     if (events.size() == 1) {
 247         event = events.first();
 248         title = tr("Next event at %1").arg(event.start().toString("HH:mm"));
 249         message = tr("\"%1\"\n(%2)").arg(event.title()).arg(event.room()->name());
 250     } else {
 251         title = tr("%1 upcoming events").arg(events.size());
 252         QStringList messages;
 253         foreach (event, events) {
 254             messages += tr("%1: \"%2\" (%3)").arg(event.start().toString("HH:mm")).arg(event.title()).arg(event.room()->name());
 255         }
 256         message = messages.join("\n");
 257     }
 258
 259     // and delete the corresponding alarm
 260     foreach (event, events) {
 261         event.setHasAlarm(false);
 262         event.update("alarm");
 263         onEventChanged(event.id(), false);
 264     }
 265
 266     // show message
 267     systemTrayIcon->show();
 268     // The next two lines are to prevent a very strange position of the message box the first time at X11/aweseome (not Win32/XP)
 269     systemTrayIcon->showMessage("ConfClerk", "Your upcoming events", QSystemTrayIcon::Information);
 270     qApp->processEvents();
 271     systemTrayIcon->showMessage(title, message, QSystemTrayIcon::Information, 60*60*24*1000);
 272     QApplication::alert(this);
 273     QApplication::beep();
 274 }
 275
 276
 277 void MainWindow::useConference(int conferenceId)
 278 {
 279     if (conferenceId == -1)  // in case no conference is active
 280     {
 281         unsetConference();
 282         return;
 283     }
 284     try {
 285         int oldActiveConferenceId = Conference::activeConference();
 286         bool switchActiveConference = conferenceId != oldActiveConferenceId;
 287         if (switchActiveConference) Conference::getById(oldActiveConferenceId).update("active", 0);
 288         Conference activeConference = Conference::getById(conferenceId);
 289         if (switchActiveConference) activeConference.update("active",1);
 290
 291         // looks like it does not work at n900
 292         setWindowTitle(activeConference.title());
 293
 294         // optimization.
 295         // dont run initTabs() here
 296         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 297         // and is not seen in maemo WM anyway
 298         // instead run it explicitly
 299         // 1. at startup
 300         // 2. when ConferenceEditor finished
 301         // dont forget to protect the calls by try-catch!
 302
 303         // just in case, clear conference selection instead
 304         clearTabs();
 305
 306         // end of optimization
 307         // initTabs();
 308     } catch (OrmException& e) {
 309         // cannon set an active conference
 310         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 311         return;
 312     }
 313
 314 }
 315
 316 void MainWindow::initTabs()
 317 {
 318     int confId = Conference::activeConference();
 319     if (confId != -1)   // only init tabs if a conference is active
 320     {
 321         Conference active = Conference::getById(confId);
 322         QDate startDate = active.start();
 323         QDate endDate = active.end();
 324
 325         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 326         dayNavigator->setDates(startDate, endDate);
 327         nowAction->trigger();
 328     }
 329 }
 330
 331 void MainWindow::clearTabs()
 332 {
 333     dayTabContainer->clearModel();
 334     tracksTabContainer->clearModel();
 335     roomsTabContainer->clearModel();
 336     favsTabContainer->clearModel();
 337     searchTabContainer->clearModel();
 338 }
 339
 340 void MainWindow::unsetConference()
 341 {
 342     clearTabs();
 343     dayNavigator->unsetDates();
 344     setWindowTitle(saved_title);
 345 }
 346
 347
 348 void MainWindow::showError(const QString& message) {
 349     error_message(message);
 350 }
 351
 352
 353 void MainWindow::on_settingsAction_triggered()
 354 {
 355     SettingsDialog dialog;
 356     dialog.loadDialogData();
 357     if (dialog.exec() == QDialog::Accepted) {
 358         dialog.saveDialogData();
 359         QNetworkProxy proxy(
 360                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 361                 AppSettings::proxyAddress(),
 362                 AppSettings::proxyPort(),
 363                 PROXY_USERNAME,
 364                 PROXY_PASSWD);
 365         QNetworkProxy::setApplicationProxy(proxy);
 366     }
 367 }
 368
 369 /** Create and run ConferenceEditor dialog, making required connections for it.
 370
 371 This method manages, which classes actually perform changes in conference list.
 372
 373 There are several classes that modify the conferences:
 374 this:
 375  deletion and URL update.
 376 this, mXmlParser and mNetworkAccessManager:
 377  addition and refresh.
 378 */
 379 void MainWindow::on_conferencesAction_triggered()
 380 {
 381     ConferenceEditor dialog(conferenceModel, this);
 382
 383     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
 384     connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
 385     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 386     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 387                     SLOT(changeConferenceUrl(int, const QString&)));
 388
 389     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 390     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 391
 392     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 393     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 394     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
 395
 396     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 397
 398     dialog.exec();
 399
 400     // optimization, see useConference() code
 401     try {
 402         initTabs();
 403     } catch (OrmException) {
 404         clearTabs();
 405     }
 406 }
 407
 408 void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
 409     if (aReply->error() != QNetworkReply::NoError) {
 410         error_message(QString("Error occured during download: ") + aReply->errorString());
 411     } else {
 412         QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
 413         if (!redirectUrl.isEmpty()) {
 414             if (redirectUrl != aReply->request().url()) {
 415                 importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
 416                 return; // don't enable controls
 417             } else {
 418                 error_message(QString("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
 419             }
 420         } else {
 421             importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
 422         }
 423     }
 424     setEnabled(true);
 425 }
 426
 427 void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
 428 {
 429     mXmlParser->parseData(aData, url, conferenceId);
 430 }
 431
 432 void MainWindow::importFromNetwork(const QString& url, int conferenceId)
 433 {
 434     QNetworkRequest request;
 435     request.setUrl(QUrl(url));
 436     request.setAttribute(QNetworkRequest::User, conferenceId);
 437
 438     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 439     mNetworkAccessManager->get(request);
 440 }
 441
 442 void MainWindow::importFromFile(const QString& filename, int conferenceId)
 443 {
 444     QFile file(filename);
 445     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 446         static const QString format("Cannot read \"%1\": error %2");
 447         error_message(format.arg(filename, QString::number(file.error())));
 448     }
 449
 450     importData(file.readAll(), "", conferenceId);
 451 }
 452
 453
 454 void MainWindow::removeConference(int id) {
 455     sqlEngine->deleteConference(id);
 456     conferenceModel->conferenceRemoved();
 457     emit conferenceRemoved();
 458 }
 459
 460
 461 void MainWindow::changeConferenceUrl(int id, const QString& url) {
 462     Conference::getById(id).setUrl(url);
 463 }
 464