--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/embedded/flightinfo/flightinfo.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,415 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore>
+#include <QtGui>
+#include <QtNetwork>
+
+#if defined (Q_OS_SYMBIAN)
+#include "sym_iap_util.h"
+#endif
+
+#include "ui_form.h"
+
+#define FLIGHTVIEW_URL "http://mobile.flightview.com/TrackByFlight.aspx"
+#define FLIGHTVIEW_RANDOM "http://mobile.flightview.com/TrackSampleFlight.aspx"
+
+// strips all invalid constructs that might trip QXmlStreamReader
+static QString sanitized(const QString &xml)
+{
+ QString data = xml;
+
+ // anything up to the html tag
+ int i = data.indexOf("<html");
+ if (i > 0)
+ data.remove(0, i - 1);
+
+ // everything inside the head tag
+ i = data.indexOf("<head");
+ if (i > 0)
+ data.remove(i, data.indexOf("</head>") - i + 7);
+
+ // invalid link for JavaScript code
+ while (true) {
+ i = data.indexOf("onclick=\"gotoUrl(");
+ if (i < 0)
+ break;
+ data.remove(i, data.indexOf('\"', i + 9) - i + 1);
+ }
+
+ // all inline frames
+ while (true) {
+ i = data.indexOf("<iframe");
+ if (i < 0)
+ break;
+ data.remove(i, data.indexOf("</iframe>") - i + 8);
+ }
+
+ // entities
+ data.remove(" ");
+ data.remove("©");
+
+ return data;
+}
+
+class FlightInfo : public QMainWindow
+{
+ Q_OBJECT
+
+private:
+
+ Ui_Form ui;
+ QUrl m_url;
+ QDate m_searchDate;
+ QPixmap m_map;
+
+public:
+
+ FlightInfo(QMainWindow *parent = 0): QMainWindow(parent) {
+
+ QWidget *w = new QWidget(this);
+ ui.setupUi(w);
+ setCentralWidget(w);
+
+ ui.searchBar->hide();
+ ui.infoBox->hide();
+ connect(ui.searchButton, SIGNAL(clicked()), SLOT(startSearch()));
+ connect(ui.flightEdit, SIGNAL(returnPressed()), SLOT(startSearch()));
+
+ setWindowTitle("Flight Info");
+ QTimer::singleShot(0, this, SLOT(delayedInit()));
+
+ // Rendered from the public-domain vectorized aircraft
+ // http://openclipart.org/media/people/Jarno
+ m_map = QPixmap(":/aircraft.png");
+
+ QAction *searchTodayAction = new QAction("Today's Flight", this);
+ QAction *searchYesterdayAction = new QAction("Yesterday's Flight", this);
+ QAction *randomAction = new QAction("Random Flight", this);
+ connect(searchTodayAction, SIGNAL(triggered()), SLOT(today()));
+ connect(searchYesterdayAction, SIGNAL(triggered()), SLOT(yesterday()));
+ connect(randomAction, SIGNAL(triggered()), SLOT(randomFlight()));
+#if defined(Q_OS_SYMBIAN)
+ menuBar()->addAction(searchTodayAction);
+ menuBar()->addAction(searchYesterdayAction);
+ menuBar()->addAction(randomAction);
+#else
+ addAction(searchTodayAction);
+ addAction(searchYesterdayAction);
+ addAction(randomAction);
+ setContextMenuPolicy(Qt::ActionsContextMenu);
+#endif
+ }
+
+private slots:
+ void delayedInit() {
+#if defined(Q_OS_SYMBIAN)
+ qt_SetDefaultIap();
+#endif
+ }
+
+
+ void handleNetworkData(QNetworkReply *networkReply) {
+ if (!networkReply->error()) {
+ // Assume UTF-8 encoded
+ QByteArray data = networkReply->readAll();
+ QString xml = QString::fromUtf8(data);
+ digest(xml);
+ }
+ networkReply->deleteLater();
+ networkReply->manager()->deleteLater();
+ }
+
+ void handleMapData(QNetworkReply *networkReply) {
+ if (!networkReply->error()) {
+ m_map.loadFromData(networkReply->readAll());
+ update();
+ }
+ networkReply->deleteLater();
+ networkReply->manager()->deleteLater();
+ }
+
+ void today() {
+ QDateTime timestamp = QDateTime::currentDateTime();
+ m_searchDate = timestamp.date();
+ searchFlight();
+ }
+
+ void yesterday() {
+ QDateTime timestamp = QDateTime::currentDateTime();
+ timestamp = timestamp.addDays(-1);
+ m_searchDate = timestamp.date();
+ searchFlight();
+ }
+
+ void searchFlight() {
+ ui.searchBar->show();
+ ui.infoBox->hide();
+ ui.flightStatus->hide();
+ ui.flightName->setText("Enter flight number");
+ m_map = QPixmap();
+ update();
+ }
+
+ void startSearch() {
+ ui.searchBar->hide();
+ QString flight = ui.flightEdit->text().simplified();
+ if (!flight.isEmpty())
+ request(flight, m_searchDate);
+ }
+
+ void randomFlight() {
+ request(QString(), QDate::currentDate());
+ }
+
+public slots:
+
+ void request(const QString &flightCode, const QDate &date) {
+
+ setWindowTitle("Loading...");
+
+ QString code = flightCode.simplified();
+ QString airlineCode = code.left(2).toUpper();
+ QString flightNumber = code.mid(2, code.length());
+
+ ui.flightName->setText("Searching for " + code);
+
+ m_url = QUrl(FLIGHTVIEW_URL);
+ m_url.addEncodedQueryItem("view", "detail");
+ m_url.addEncodedQueryItem("al", QUrl::toPercentEncoding(airlineCode));
+ m_url.addEncodedQueryItem("fn", QUrl::toPercentEncoding(flightNumber));
+ m_url.addEncodedQueryItem("dpdat", QUrl::toPercentEncoding(date.toString("yyyyMMdd")));
+
+ if (code.isEmpty()) {
+ // random flight as sample
+ m_url = QUrl(FLIGHTVIEW_RANDOM);
+ ui.flightName->setText("Getting a random flight...");
+ }
+
+ QNetworkAccessManager *manager = new QNetworkAccessManager(this);
+ connect(manager, SIGNAL(finished(QNetworkReply*)),
+ this, SLOT(handleNetworkData(QNetworkReply*)));
+ manager->get(QNetworkRequest(m_url));
+ }
+
+
+private:
+
+ void digest(const QString &content) {
+
+ setWindowTitle("Flight Info");
+ QString data = sanitized(content);
+
+ // do we only get the flight list?
+ // we grab the first leg in the flight list
+ // then fetch another URL for the real flight info
+ int i = data.indexOf("a href=\"?view=detail");
+ if (i > 0) {
+ QString href = data.mid(i, data.indexOf('\"', i + 8) - i + 1);
+ QRegExp regex("dpap=([A-Za-z0-9]+)");
+ regex.indexIn(href);
+ QString airport = regex.cap(1);
+ m_url.addEncodedQueryItem("dpap", QUrl::toPercentEncoding(airport));
+ QNetworkAccessManager *manager = new QNetworkAccessManager(this);
+ connect(manager, SIGNAL(finished(QNetworkReply*)),
+ this, SLOT(handleNetworkData(QNetworkReply*)));
+ manager->get(QNetworkRequest(m_url));
+ return;
+ }
+
+ QXmlStreamReader xml(data);
+ bool inFlightName = false;
+ bool inFlightStatus = false;
+ bool inFlightMap = false;
+ bool inFieldName = false;
+ bool inFieldValue = false;
+
+ QString flightName;
+ QString flightStatus;
+ QStringList fieldNames;
+ QStringList fieldValues;
+
+ while (!xml.atEnd()) {
+ xml.readNext();
+
+ if (xml.tokenType() == QXmlStreamReader::StartElement) {
+ QStringRef className = xml.attributes().value("class");
+ inFlightName |= xml.name() == "h1";
+ inFlightStatus |= className == "FlightDetailHeaderStatus";
+ inFlightMap |= className == "flightMap";
+ if (xml.name() == "td" && !className.isEmpty()) {
+ QString cn = className.toString();
+ if (cn.contains("fieldTitle")) {
+ inFieldName = true;
+ fieldNames += QString();
+ fieldValues += QString();
+ }
+ if (cn.contains("fieldValue"))
+ inFieldValue = true;
+ }
+ if (xml.name() == "img" && inFlightMap) {
+ QString src = xml.attributes().value("src").toString();
+ src.prepend("http://mobile.flightview.com");
+ QUrl url = QUrl::fromPercentEncoding(src.toAscii());
+ QNetworkAccessManager *manager = new QNetworkAccessManager(this);
+ connect(manager, SIGNAL(finished(QNetworkReply*)),
+ this, SLOT(handleMapData(QNetworkReply*)));
+ manager->get(QNetworkRequest(url));
+ }
+ }
+
+ if (xml.tokenType() == QXmlStreamReader::EndElement) {
+ inFlightName &= xml.name() != "h1";
+ inFlightStatus &= xml.name() != "div";
+ inFlightMap &= xml.name() != "div";
+ inFieldName &= xml.name() != "td";
+ inFieldValue &= xml.name() != "td";
+ }
+
+ if (xml.tokenType() == QXmlStreamReader::Characters) {
+ if (inFlightName)
+ flightName += xml.text();
+ if (inFlightStatus)
+ flightStatus += xml.text();
+ if (inFieldName)
+ fieldNames.last() += xml.text();
+ if (inFieldValue)
+ fieldValues.last() += xml.text();
+ }
+ }
+
+ if (fieldNames.isEmpty()) {
+ QString code = ui.flightEdit->text().simplified().left(10);
+ QString msg = QString("Flight %1 is not found").arg(code);
+ ui.flightName->setText(msg);
+ return;
+ }
+
+ ui.flightName->setText(flightName);
+ flightStatus.remove("Status: ");
+ ui.flightStatus->setText(flightStatus);
+ ui.flightStatus->show();
+
+ QStringList whiteList;
+ whiteList << "Departure";
+ whiteList << "Arrival";
+ whiteList << "Scheduled";
+ whiteList << "Takeoff";
+ whiteList << "Estimated";
+ whiteList << "Term-Gate";
+
+ QString text;
+ text = QString("<table width=%1>").arg(width() - 25);
+ for (int i = 0; i < fieldNames.count(); i++) {
+ QString fn = fieldNames[i].simplified();
+ if (fn.endsWith(':'))
+ fn = fn.left(fn.length() - 1);
+ if (!whiteList.contains(fn))
+ continue;
+
+ QString fv = fieldValues[i].simplified();
+ bool special = false;
+ special |= fn.startsWith("Departure");
+ special |= fn.startsWith("Arrival");
+ text += "<tr>";
+ if (special) {
+ text += "<td align=center colspan=2>";
+ text += "<b><font size=+1>" + fv + "</font></b>";
+ text += "</td>";
+ } else {
+ text += "<td align=right>";
+ text += fn;
+ text += " : ";
+ text += " ";
+ text += "</td>";
+ text += "<td>";
+ text += fv;
+ text += "</td>";
+ }
+ text += "</tr>";
+ }
+ text += "</table>";
+ ui.detailedInfo->setText(text);
+ ui.infoBox->show();
+ }
+
+ void resizeEvent(QResizeEvent *event) {
+ Q_UNUSED(event);
+ ui.detailedInfo->setMaximumWidth(width() - 25);
+ }
+
+ void paintEvent(QPaintEvent *event) {
+ QMainWindow::paintEvent(event);
+ QPainter p(this);
+ p.fillRect(rect(), QColor(131, 171, 210));
+ if (!m_map.isNull()) {
+ int x = (width() - m_map.width()) / 2;
+ int space = ui.infoBox->pos().y();
+ if (!ui.infoBox->isVisible())
+ space = height();
+ int top = ui.titleBox->height();
+ int y = qMax(top, (space - m_map.height()) / 2);
+ p.drawPixmap(x, y, m_map);
+ }
+ p.end();
+ }
+
+};
+
+
+#include "flightinfo.moc"
+
+int main(int argc, char **argv)
+{
+ Q_INIT_RESOURCE(flightinfo);
+
+ QApplication app(argc, argv);
+
+ FlightInfo w;
+#if defined(Q_OS_SYMBIAN)
+ w.showMaximized();
+#else
+ w.resize(360, 504);
+ w.show();
+#endif
+
+ return app.exec();
+}