git.maemo.org Git - quandoparte/blob - application/app.cpp

   1 /*
   2
   3 Copyright (C) 2011 Luciano Montanaro <mikelima@cirulla.net>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; see the file COPYING.  If not, write to
  17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18 Boston, MA 02110-1301, USA.
  19
  20 */
  21
  22 #include "app.h"
  23 #include "stationview.h"
  24 #include "stationlistmodel.h"
  25 #include "stationlistview.h"
  26 #include "settingsdialog.h"
  27
  28 #include <QDebug>
  29 #include <QMessageBox>
  30 #include <QNetworkAccessManager>
  31 #include <QNetworkReply>
  32 #include <QNetworkRequest>
  33 #include <QObject>
  34 #include <QSettings>
  35 #include <QUrl>
  36
  37 #include <QGeoPositionInfoSource>
  38
  39 // Constants
  40 static const int RECENT_STATIONS_MAX_COUNT = 10;
  41
  42 QTM_USE_NAMESPACE
  43
  44 App::App(QObject *parent) :
  45     QObject(parent),
  46     accessManager(new QNetworkAccessManager(this)),
  47     stationView(new StationView()),
  48     stationListModel(new StationListModel(this)),
  49     stationListView(new StationListView(stationListModel, stationView))
  50 {
  51     stationListModel->load("stations:stations.qpl");
  52
  53     connect(stationListView, SIGNAL(stationSelected(const QString &)),
  54             SLOT(queryStation(const QString &)));
  55
  56     connect(stationListView, SIGNAL(aboutTriggered()),
  57             SLOT(showAboutDialog()));
  58     connect(stationView, SIGNAL(aboutTriggered()),
  59             SLOT(showAboutDialog()));
  60
  61     connect(stationListView, SIGNAL(settingsChangeRequested()),
  62             SLOT(showSettingsDialog()));
  63     connect(stationView, SIGNAL(settingsChangeRequested()),
  64             SLOT(showSettingsDialog()));
  65
  66     connect(stationView, SIGNAL(stationListSelectTriggered()),
  67             SLOT(showStationSelectView()));
  68
  69     readSettings();
  70
  71     qDebug() << "found" << stationListModel->rowCount() << "stations";
  72     stationView->show();
  73     if (recentStations.isEmpty() || !stationViewPreferred) {
  74         stationListView->show();
  75     } else {
  76         queryStation(recentStations.front());
  77     }
  78 }
  79
  80 App::~App()
  81 {
  82     delete stationView;
  83     saveSettings();
  84 }
  85
  86 void App::downloadFinished(void)
  87 {
  88     disconnect(stationQueryReply, SIGNAL(finished()),
  89                this, SLOT(downloadFinished()));
  90     stationView->updateView(stationQueryReply->readAll());
  91     stationListView->hide();
  92     stationQueryReply->deleteLater();
  93     stationQueryReply = 0;
  94 #ifdef Q_WS_MAEMO_5
  95     stationListView->setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
  96 #endif
  97 }
  98
  99 void App::queryStation(const QString &station)
 100 {
 101     QNetworkRequest request;
 102     request.setUrl(queryBaseUrl);
 103     const QString queryString = "stazione=" + station;
 104     const QByteArray query(queryString.toLocal8Bit());
 105     stationQueryReply = accessManager->post(request, query);
 106     connect(stationQueryReply, SIGNAL(finished()),
 107             this, SLOT(downloadFinished()));
 108     recentStations.push_front(station);
 109     recentStations.removeDuplicates();
 110     if (recentStations.count() > RECENT_STATIONS_MAX_COUNT) {
 111         recentStations.pop_back();
 112     }
 113 #ifdef Q_WS_MAEMO_5
 114     stationListView->setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
 115 #endif
 116 }
 117
 118 void App::showSettingsDialog()
 119 {
 120     qDebug() << "Settings Dialog called";
 121
 122     SettingsDialog *dialog = new SettingsDialog(stationView);
 123     if (dialog->exec() == QDialog::Accepted) {
 124         readSettings();
 125     }
 126     delete dialog;
 127 }
 128
 129 void App::showAboutDialog()
 130 {
 131     qDebug() << "About Dialog called";
 132     QString name = QApplication::instance()->applicationName();
 133     QString version = QApplication::instance()->applicationVersion();
 134     QString aboutText = QString(
 135                 tr("<p>%1 version %2</p>"
 136                    "<p>Copyright (c) 2010, 2011</p>"
 137                    "<p>Luciano Montanaro (mikelima@cirulla.net)</p>"
 138                    "<p>Licensed under the GNU Public License v2 or above</p>")).arg(name).arg(version);
 139     QMessageBox::about(stationView, name, aboutText);
 140 }
 141
 142 void App::showStationSelectView(void)
 143 {
 144     stationListView->show();
 145 }
 146
 147 void App::readSettings(void)
 148 {
 149     QSettings settings;
 150     queryBaseUrl = settings.value("QueryURL",
 151                                   "http://mobile.viaggiatreno.it/viaggiatreno/mobile/stazione").toString();
 152     stationView->setBaseUrl(queryBaseUrl);
 153
 154     recentStations = settings.value("RecentStations").toString().split(",");
 155     checkingInterval = settings.value("CheckInterval", 2000).toInt();
 156     stationViewPreferred = settings.value("StationViewPreferred", false).toBool();
 157 }
 158
 159 void App::saveSettings(void)
 160 {
 161     QSettings settings;
 162
 163     qDebug() << "Saving Settings to" << settings.fileName();
 164
 165     settings.setValue("QueryURL", queryBaseUrl);
 166     settings.setValue("RecentStations", recentStations.join(","));
 167     settings.setValue("CheckInterval", checkingInterval);
 168     settings.setValue("StationViewPreferred", stationViewPreferred);
 169 }
 170
 171 QString App::dataDir(void)
 172 {
 173     return QString(DATADIR);
 174 }