Set some SSL parameters for network request.
[toast/confclerk.git] / src / gui / mainwindow.cpp
index 6dee041..a2e28d1 100644 (file)
+/*
+ * Copyright (C) 2010 Ixonos Plc.
+ * Copyright (C) 2011-2017 Philipp Spitzer, gregor herrmann, Stefan Stahl
+ *
+ * This file is part of ConfClerk.
+ *
+ * ConfClerk is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * ConfClerk is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include "mainwindow.h"
 
 #include <QTreeView>
 #include <QFile>
+#include <QNetworkProxy>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QSslConfiguration>
 
-#include <sqlengine.h>
+#include "sqlengine.h"
 
-#include <track.h>
-#include <eventmodel.h>
-#include <delegate.h>
+#include "track.h"
+#include "eventmodel.h"
+#include "delegate.h"
+#include "room.h"
 
-#include <conference.h>
+#include "conference.h"
 
 #include <QDialog>
 #include <QMessageBox>
+
 #include "ui_about.h"
-#include <eventdialog.h>
+#include "eventdialog.h"
 #include "daynavigatorwidget.h"
-#include "importschedulewidget.h"
-#include "mapwindow.h"
+#include "settingsdialog.h"
+#include "conferenceeditor.h"
+#include "schedulexmlparser.h"
+#include "errormessage.h"
 
-#include <tabcontainer.h>
+#include "tabcontainer.h"
+#include "appsettings.h"
 
-MainWindow::MainWindow(int aEventId, QWidget *aParent)
-    : QMainWindow(aParent)
-{
+const QString PROXY_USERNAME;
+const QString PROXY_PASSWD;
+
+MainWindow::MainWindow(QWidget* parent): QMainWindow(parent) {
     setupUi(this);
 
+    // Open database
+    sqlEngine = new SqlEngine(this);
+    searchTabContainer->setSqlEngine(sqlEngine);
+    connect(sqlEngine, SIGNAL(dbError(QString)), this, SLOT(showError(QString)));
+    sqlEngine->open();
+    sqlEngine->createOrUpdateDbSchema();
+
+    conferenceModel = new ConferenceModel(this);
+    mXmlParser = new ScheduleXmlParser(sqlEngine, this);
+    mNetworkAccessManager = new QNetworkAccessManager(this);
+    systemTrayIcon = new QSystemTrayIcon(qApp->windowIcon(), this);
+    alarmTimer = new QTimer(this);
+
+    alarmTimer->setInterval(60000);
+    alarmTimer->start();
+    saved_title = windowTitle();
+
+#ifdef N810
+    tabWidget->setTabText(1,"Favs");
+    //tabWidget->setTabText(2,"Day");
+#endif
+
+    // first time run aplication: -> let's have it direct connection in this case
+    if(!AppSettings::contains("proxyIsDirectConnection"))
+        AppSettings::setDirectConnection(true);
+
+    QNetworkProxy proxy(
+            AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
+            AppSettings::proxyAddress(),
+            AppSettings::proxyPort(),
+            PROXY_USERNAME,
+            PROXY_PASSWD);
+    QNetworkProxy::setApplicationProxy(proxy);
+
+    // event details have changed
+    connect(dayTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+    connect(favsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+    connect(tracksTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+    connect(roomsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+    connect(searchTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+
+    // date has changed
+    connect(dayNavigator, SIGNAL(dateChanged(QDate)), dayTabContainer, SLOT(redisplayDate(QDate)));
+    connect(dayNavigator, SIGNAL(dateChanged(QDate)), favsTabContainer, SLOT(redisplayDate(QDate)));
+    connect(dayNavigator, SIGNAL(dateChanged(QDate)), tracksTabContainer, SLOT(redisplayDate(QDate)));
+    connect(dayNavigator, SIGNAL(dateChanged(QDate)), roomsTabContainer, SLOT(redisplayDate(QDate)));
+    connect(dayNavigator, SIGNAL(dateChanged(QDate)), searchTabContainer, SLOT(redisplayDate(QDate)));
+
+    // search result has changed
+    connect(searchTabContainer, SIGNAL(searchResultChanged()), SLOT(onSearchResultChanged()));
+
+    // systm tray icon
+    connect(systemTrayIcon, SIGNAL(messageClicked()), SLOT(onSystemTrayMessageClicked()));
+    connect(systemTrayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), SLOT(onSystemTrayMessageClicked()));
+
+    // timer
+    connect(alarmTimer, SIGNAL(timeout()), SLOT(onAlarmTimerTimeout()));
+
+    // add the actions from the main menu to the window, otherwise the shortcuts don't work on MAEMO
+    addAction(conferencesAction);
+    addAction(settingsAction);
+    addAction(quitAction);
+
+    // make it impossible to hide the toolbar by disallowing its context menu
+    toolBar->setContextMenuPolicy(Qt::PreventContextMenu);
+
+    // open conference
+    useConference(Conference::activeConference());
+    // optimization, see useConference() code
+    try {
+        initTabs();
+    } catch (const OrmException& e) {
+        qDebug() << "OrmException:" << e.text();
+        clearTabs();
+    }
+
+    connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
+    connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
+    connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), conferenceModel, SLOT(newConferenceEnd(int)));
+}
+
+
+MainWindow::~MainWindow() {
+    sqlEngine->close();
+}
+
+
+void MainWindow::on_aboutAction_triggered()
+{
+    QDialog dialog(this);
+    Ui::AboutDialog ui;
+    ui.setupUi(&dialog);
+    ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
+#ifdef N810
+    dialog.setFixedWidth(width());
+#endif
+    dialog.exec();
+}
+
+
+void MainWindow::on_reloadAction_triggered() {
     int confId = Conference::activeConference();
+    if (confId== -1) return;
+    Conference active = Conference::getById(confId);
+    if (active.url().isEmpty()) return;
+    importFromNetwork(active.url(), confId);
+    setEnabled(false);
+}
 
-    QList<Conference> confs = Conference::getAll();
-    if(confs.count())
-    {
-        setWindowTitle(confs[0].title());
+
+void MainWindow::on_nowAction_triggered() {
+    int confId = Conference::activeConference();
+    if (confId== -1) return;
+    dayNavigator->setCurDate(QDate::currentDate());
+    dayTabContainer->expandTimeGroup(QTime::currentTime(), confId);
+}
+
+
+void MainWindow::on_searchAction_triggered() {
+    if (tabWidget->currentWidget() == searchTab)
+        searchTabContainer->showSearchDialog(!searchTabContainer->searchDialogIsVisible());
+    else {
+        tabWidget->setCurrentWidget(searchTab);
+        searchTabContainer->showSearchDialog();
     }
+}
 
-    connect(importScheduleWidget, SIGNAL(scheduleImported(int)), SLOT(scheduleImported(int)));
 
-    // event details have changed
-    connect(dayTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
-    connect(favsTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
-    connect(tracksTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
-    connect(roomsTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
-    connect(nowTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
-    connect(searchTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
+void MainWindow::on_expandAllAction_triggered() {
+    if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->expandAll();
+    if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->expandAll();
+    if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->expandAll();
+    if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->expandAll();
+    if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->expandAll();
+}
 
 
-    // event conference map button clicked
-    connect(showMapButton, SIGNAL(clicked()), SLOT(conferenceMapClicked()));
+void MainWindow::on_collapseAllAction_triggered() {
+    if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->collapseAll();
+    if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->collapseAll();
+    if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->collapseAll();
+    if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->collapseAll();
+    if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->collapseAll();
+}
 
-    connect(tabWidget, SIGNAL(infoIconClicked()), SLOT(aboutApp()));
 
-    if(Conference::getAll().count()) // no conference(s) in the DB
-    {
-        QDate startDate = Conference::getById(confId).start();
-        QDate endDate = Conference::getById(confId).end();
-        //
-        dayTabContainer->setDates(startDate, endDate);
-        tracksTabContainer->setDates(startDate, endDate);
-        roomsTabContainer->setDates(startDate, endDate);
-        favsTabContainer->setDates(startDate, endDate);
-        searchTabContainer->setDates(startDate, endDate);
-        //
-        conferenceTitle->setText(Conference::getById(confId).title());
-        conferenceSubtitle->setText(Conference::getById(confId).subtitle());
-        conferenceWhere->setText(Conference::getById(confId).city() + ", " + Conference::getById(confId).venue());
-        conferenceWhen->setText(
-                Conference::getById(confId).start().toString("dd-MM-yyyy")
-                + ", " +
-                Conference::getById(confId).end().toString("dd-MM-yyyy"));
+void MainWindow::onEventChanged(int aEventId, bool favouriteChanged) {
+    dayTabContainer->redisplayEvent(aEventId);
+    if (favouriteChanged) favsTabContainer->redisplayDate(dayNavigator->curDate());
+    else favsTabContainer->redisplayEvent(aEventId);
+    tracksTabContainer->redisplayEvent(aEventId);
+    roomsTabContainer->redisplayEvent(aEventId);
+    searchTabContainer->redisplayEvent(aEventId);
+}
+
+
+void MainWindow::onSearchResultChanged() {
+    // Are results found on the current date?
+    QDate date = dayNavigator->curDate();
+    int count = searchTabContainer->searchResultCount(date);
+    if (count > 0) {searchTabContainer->redisplayDate(date); return;}
+
+    // Are results found in the future?
+    for (date = date.addDays(1); date <= dayNavigator->endDate(); date = date.addDays(1)) {
+        int count = searchTabContainer->searchResultCount(date);
+        if (count > 0) {dayNavigator->setCurDate(date); return;}
     }
 
-    // open dialog for given Event ID
-    // this is used in case Alarm Dialog request application to start
-    if(aEventId)
-    {
-        try
-        {
-            EventDialog dialog(aEventId,this);
-            dialog.exec();
+    // Are results found in the past?
+    for (date = dayNavigator->startDate(); date < dayNavigator->curDate(); date = date.addDays(1)) {
+        int count = searchTabContainer->searchResultCount(date);
+        if (count > 0) {dayNavigator->setCurDate(date); return;}
+    }
+    // No results were found
+    searchTabContainer->redisplayDate(dayNavigator->curDate());
+}
+
+
+void MainWindow::onSystemTrayMessageClicked() {
+    systemTrayIcon->hide();
+}
+
+
+void MainWindow::onAlarmTimerTimeout() {
+    // determine if an alarm is set on an event that's starting soon
+    QList<Event> events = Event::getImminentAlarmEvents(AppSettings::preEventAlarmSec(), Conference::activeConference());
+    if (events.empty()) return;
+
+    // build a message string
+    Event event;
+    QString title;
+    QString message;
+    if (events.size() == 1) {
+        event = events.first();
+        title = tr("Next event at %1").arg(event.start().toString("HH:mm"));
+        message = tr("\"%1\"\n(%2)").arg(event.title()).arg(event.room()->name());
+    } else {
+        title = tr("%1 upcoming events").arg(events.size());
+        QStringList messages;
+        foreach (event, events) {
+            messages += tr("%1: \"%2\" (%3)").arg(event.start().toString("HH:mm")).arg(event.title()).arg(event.room()->name());
         }
-        catch(OrmNoObjectException&) {} // just start application
-        catch(...) {} // just start application
+        message = messages.join("\n");
+    }
+
+    // and delete the corresponding alarm
+    foreach (event, events) {
+        event.setHasAlarm(false);
+        event.update("alarm");
+        onEventChanged(event.id(), false);
     }
+
+    // show message
+    systemTrayIcon->show();
+    // The next two lines are to prevent a very strange position of the message box the first time at X11/aweseome (not Win32/XP)
+    systemTrayIcon->showMessage("ConfClerk", "Your upcoming events", QSystemTrayIcon::Information);
+    qApp->processEvents();
+    systemTrayIcon->showMessage(title, message, QSystemTrayIcon::Information, 60*60*24*1000);
+    QApplication::alert(this);
+    QApplication::beep();
 }
 
-void MainWindow::scheduleImported(int aConfId)
+
+void MainWindow::useConference(int conferenceId)
 {
-    Q_UNUSED(aConfId);
+    if (conferenceId == -1)  // in case no conference is active
+    {
+        unsetConference();
+        return;
+    }
+    try {
+        int oldActiveConferenceId = Conference::activeConference();
+        bool switchActiveConference = conferenceId != oldActiveConferenceId;
+        if (switchActiveConference) Conference::getById(oldActiveConferenceId).update("active", 0);
+        Conference activeConference = Conference::getById(conferenceId);
+        if (switchActiveConference) activeConference.update("active",1);
+
+        // looks like it does not work at n900
+        setWindowTitle(activeConference.title());
 
-    QList<Conference> confs = Conference::getAll();
-    if(confs.count())
+        // optimization.
+        // dont run initTabs() here
+        // it takes much CPU, making travelling between conferences in ConferenceEditor longer
+        // and is not seen in maemo WM anyway
+        // instead run it explicitly
+        // 1. at startup
+        // 2. when ConferenceEditor finished
+        // dont forget to protect the calls by try-catch!
+
+        // just in case, clear conference selection instead
+        clearTabs();
+
+        // end of optimization
+        // initTabs();
+    } catch (OrmException& e) {
+        // cannon set an active conference
+        unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
+        return;
+    }
+
+}
+
+void MainWindow::initTabs()
+{
+    int confId = Conference::activeConference();
+    if (confId != -1)   // only init tabs if a conference is active
     {
+        Conference active = Conference::getById(confId);
+        QDate startDate = active.start();
+        QDate endDate = active.end();
+
         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
-        QDate startDate = Conference::getById(Conference::activeConference()).start();
-        QDate endDate = Conference::getById(Conference::activeConference()).end();
-        dayTabContainer->setDates(startDate, endDate);
-        tracksTabContainer->setDates(startDate, endDate);
-        roomsTabContainer->setDates(startDate, endDate);
-        favsTabContainer->setDates(startDate, endDate);
+        dayNavigator->setDates(startDate, endDate);
+        nowAction->trigger();
     }
 }
 
-void MainWindow::aboutApp()
+void MainWindow::clearTabs()
 {
-    QDialog dialog(this);
-    Ui::AboutDialog ui;
-    ui.setupUi(&dialog);
+    dayTabContainer->clearModel();
+    tracksTabContainer->clearModel();
+    roomsTabContainer->clearModel();
+    favsTabContainer->clearModel();
+    searchTabContainer->clearModel();
+}
+
+void MainWindow::unsetConference()
+{
+    clearTabs();
+    dayNavigator->unsetDates();
+    setWindowTitle(saved_title);
+}
+
+
+void MainWindow::showError(const QString& message) {
+    error_message(message);
+}
+
+
+void MainWindow::on_settingsAction_triggered()
+{
+    SettingsDialog dialog;
+    dialog.loadDialogData();
+    if (dialog.exec() == QDialog::Accepted) {
+        dialog.saveDialogData();
+        QNetworkProxy proxy(
+                AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
+                AppSettings::proxyAddress(),
+                AppSettings::proxyPort(),
+                PROXY_USERNAME,
+                PROXY_PASSWD);
+        QNetworkProxy::setApplicationProxy(proxy);
+    }
+}
+
+/** Create and run ConferenceEditor dialog, making required connections for it.
+
+This method manages, which classes actually perform changes in conference list.
+
+There are several classes that modify the conferences:
+this:
+ deletion and URL update.
+this, mXmlParser and mNetworkAccessManager:
+ addition and refresh.
+*/
+void MainWindow::on_conferencesAction_triggered()
+{
+    ConferenceEditor dialog(conferenceModel, this);
+
+    connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
+    connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
+    connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
+    connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
+                    SLOT(changeConferenceUrl(int, const QString&)));
+
+    connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
+    connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
+
+    connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
+    connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
+    connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
+
+    connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
+
     dialog.exec();
+
+    // optimization, see useConference() code
+    try {
+        initTabs();
+    } catch (OrmException) {
+        clearTabs();
+    }
 }
 
-void MainWindow::conferenceMapClicked()
+void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
+    if (aReply->error() != QNetworkReply::NoError) {
+        error_message(QString("Error occurred during download: ") + aReply->errorString());
+    } else {
+        QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
+        if (!redirectUrl.isEmpty()) {
+            if (redirectUrl != aReply->request().url()) {
+                importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
+                return; // don't enable controls
+            } else {
+                error_message(QString("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
+            }
+        } else {
+            importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
+        }
+    }
+    setEnabled(true);
+}
+
+void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
 {
-    QString mapPath = QString(":/maps/campus.png");
-    if(!QFile::exists(mapPath))
-        mapPath = QString(":/maps/rooms/not-available.png");
+    mXmlParser->parseData(aData, url, conferenceId);
+}
 
-    QString roomName;
+void MainWindow::importFromNetwork(const QString& url, int conferenceId)
+{
+    QNetworkRequest request;
+    QSslConfiguration qSslConfiguration = request.sslConfiguration();
+    qSslConfiguration.setProtocol(QSsl::AnyProtocol);
+    qSslConfiguration.setPeerVerifyMode(QSslSocket::QueryPeer);
+    request.setUrl(QUrl(url));
+    request.setSslConfiguration(qSslConfiguration);
+    request.setAttribute(QNetworkRequest::User, conferenceId);
 
-    QPixmap map(mapPath);
-    MapWindow window(map,roomName,this);
-    window.exec();
+    mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
+    mNetworkAccessManager->get(request);
 }
 
-void MainWindow::eventHasChanged(int aEventId)
+void MainWindow::importFromFile(const QString& filename, int conferenceId)
 {
-    dayTabContainer->updateTreeViewModel(aEventId);
-    favsTabContainer->updateTreeViewModel(aEventId);
-    tracksTabContainer->updateTreeViewModel(aEventId);
-    nowTabContainer->updateTreeViewModel(aEventId);
-    roomsTabContainer->updateTreeViewModel(aEventId);
-    searchTabContainer->updateTreeViewModel(aEventId);
+    QFile file(filename);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {    
+        static const QString format("Cannot read \"%1\": error %2");
+        error_message(format.arg(filename, QString::number(file.error())));
+    }
+
+    importData(file.readAll(), "", conferenceId);
+}
+
+
+void MainWindow::removeConference(int id) {
+    sqlEngine->deleteConference(id);
+    conferenceModel->conferenceRemoved();
+    emit conferenceRemoved();
+}
+
+
+void MainWindow::changeConferenceUrl(int id, const QString& url) {
+    Conference::getById(id).setUrl(url);
 }