<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Qt Mobility 1.2: flickrdemo.cpp Example File (flickrdemo/flickrdemo.cpp)</title>
<link rel="stylesheet" type="text/css" href="style/offline.css" />
</head>
<body>
<div class="header" id="qtdocheader">
<div class="content">
<a href="index.html" class="qtref"><span>QtMobility Reference Documentation</span></a>
</div>
<div class="breadcrumb toolblock">
<ul>
<li class="first"><a href="index.html">Home</a></li>
<!-- Breadcrumbs go here -->
</ul>
</div>
</div>
<div class="content mainContent">
<h1 class="title">flickrdemo.cpp Example File</h1>
<span class="small-subtitle">flickrdemo/flickrdemo.cpp</span>
<!-- $$$flickrdemo/flickrdemo.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include "flickrdemo.h"</span>
<span class="preprocessor">#include <QDomDocument></span>
<span class="preprocessor">#include <qnmeapositioninfosource.h></span>
<span class="preprocessor">#include <qgeopositioninfosource.h></span>
<span class="preprocessor">#include <qgeosatelliteinfosource.h></span>
<span class="preprocessor">#include <qgeopositioninfo.h></span>
<span class="preprocessor">#include <qgeosatelliteinfo.h></span>
<span class="preprocessor">#include <qnetworkconfigmanager.h></span>
<span class="preprocessor">#include <qnetworksession.h></span>
<span class="preprocessor">#include <QAction></span>
<span class="preprocessor">#include <QApplication></span>
<span class="preprocessor">#include <QDialogButtonBox></span>
<span class="preprocessor">#include <QDir></span>
<span class="preprocessor">#include <QFile></span>
<span class="preprocessor">#include <QLabel></span>
<span class="preprocessor">#include <QMenuBar></span>
<span class="preprocessor">#include <QMessageBox></span>
<span class="preprocessor">#include <QNetworkAccessManager></span>
<span class="preprocessor">#include <QNetworkRequest></span>
<span class="preprocessor">#include <QProgressDialog></span>
<span class="preprocessor">#include <QPushButton></span>
<span class="preprocessor">#include <QTimer></span>
<span class="preprocessor">#include <QVBoxLayout></span>
<span class="preprocessor">#include <QWidget></span>
<span class="comment">// static constant initialization</span>
<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsize.html">QSize</a></span> FlickrDemo<span class="operator">::</span>gridSize <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsize.html">QSize</a></span>(<span class="number">52</span><span class="operator">,</span> <span class="number">52</span>);
<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsize.html">QSize</a></span> FlickrDemo<span class="operator">::</span>thumbnailSize <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsize.html">QSize</a></span>(<span class="number">50</span><span class="operator">,</span> <span class="number">50</span>);
<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsize.html">QSize</a></span> FlickrDemo<span class="operator">::</span>imageSize <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsize.html">QSize</a></span>(<span class="number">150</span><span class="operator">,</span> <span class="number">150</span>);
<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> FlickrDemo<span class="operator">::</span>apikey <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span>(<span class="string">"e36784df8a03fea04c22ed93318b291c"</span>);
FlickrDemo<span class="operator">::</span>FlickrDemo(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qwidget.html">QWidget</a></span><span class="operator">*</span> parent) :
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmainwindow.html">QMainWindow</a></span>(parent)<span class="operator">,</span>
m_logfileInUse(<span class="keyword">false</span>)<span class="operator">,</span>
m_session(<span class="number">0</span>)<span class="operator">,</span>
m_pictureListReply(<span class="number">0</span>)<span class="operator">,</span>
m_thumbnailReply(<span class="number">0</span>)<span class="operator">,</span>
m_pictureReply(<span class="number">0</span>)<span class="operator">,</span>
m_pages(<span class="number">0</span>)<span class="operator">,</span>
m_page(<span class="number">1</span>)<span class="operator">,</span>
m_satellitesInView(<span class="number">0</span>)<span class="operator">,</span>
m_satellitesUsed(<span class="number">0</span>)<span class="operator">,</span>
m_latitude(<span class="operator">-</span><span class="number">1000</span>)<span class="operator">,</span>
m_longitude(<span class="operator">-</span><span class="number">1000</span>)<span class="operator">,</span>
m_downloadPictureList(<span class="keyword">true</span>)<span class="operator">,</span>
m_shuttingDown(<span class="keyword">false</span>)
{
resize(<span class="number">252</span><span class="operator">,</span> <span class="number">344</span>);
locationLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlabel.html">QLabel</a></span>(tr(<span class="string">"Lat: Long:"</span>));
satellitesLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlabel.html">QLabel</a></span>(tr(<span class="string">"Using 0 of 0 satellites"</span>));
listWidget <span class="operator">=</span> <span class="keyword">new</span> XQListWidget();
downloadButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Download Picture List"</span>));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>verticalLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qvboxlayout.html">QVBoxLayout</a></span>();
verticalLayout<span class="operator">-</span><span class="operator">></span>addWidget(locationLabel);
verticalLayout<span class="operator">-</span><span class="operator">></span>addWidget(satellitesLabel);
verticalLayout<span class="operator">-</span><span class="operator">></span>addWidget(listWidget);
verticalLayout<span class="operator">-</span><span class="operator">></span>addWidget(downloadButton);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qwidget.html">QWidget</a></span> <span class="operator">*</span>centralWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qwidget.html">QWidget</a></span>;
centralWidget<span class="operator">-</span><span class="operator">></span>setLayout(verticalLayout);
setCentralWidget(centralWidget);
createMenus();
listWidget<span class="operator">-</span><span class="operator">></span>setGridSize(gridSize);
listWidget<span class="operator">-</span><span class="operator">></span>setIconSize(thumbnailSize);
m_progressDialog <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qprogressdialog.html">QProgressDialog</a></span>(<span class="keyword">this</span>);
m_progressDialog<span class="operator">-</span><span class="operator">></span>setModal(<span class="keyword">true</span>);
connect(m_progressDialog<span class="operator">,</span> SIGNAL(canceled())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(cancelDownload()));
setWindowTitle(tr(<span class="string">"Flickr Demo"</span>));
<span class="comment">// QGeoPositionInfoSource</span>
m_location <span class="operator">=</span> <span class="type"><a href="qgeopositioninfosource.html">QGeoPositionInfoSource</a></span><span class="operator">::</span>createDefaultSource(<span class="keyword">this</span>);
<span class="keyword">if</span> (m_location <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) {
<span class="type"><a href="qnmeapositioninfosource.html">QNmeaPositionInfoSource</a></span> <span class="operator">*</span>nmeaLocation <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qnmeapositioninfosource.html">QNmeaPositionInfoSource</a></span>(<span class="type"><a href="qnmeapositioninfosource.html">QNmeaPositionInfoSource</a></span><span class="operator">::</span>SimulationMode<span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qfile.html">QFile</a></span> <span class="operator">*</span>logFile <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qfile.html">QFile</a></span>(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qapplication.html">QApplication</a></span><span class="operator">::</span>applicationDirPath()
<span class="operator">+</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qdir.html">QDir</a></span><span class="operator">::</span>separator() <span class="operator">+</span> <span class="string">"nmealog.txt"</span><span class="operator">,</span> <span class="keyword">this</span>);
nmeaLocation<span class="operator">-</span><span class="operator">></span>setDevice(logFile);
m_location <span class="operator">=</span> nmeaLocation;
m_logfileInUse <span class="operator">=</span> <span class="keyword">true</span>;
}
<span class="comment">// Listen gps position changes</span>
connect(m_location<span class="operator">,</span> SIGNAL(positionUpdated(<span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(positionUpdated(<span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span>)));
<span class="comment">// QGeoSatelliteInfoSource</span>
m_satellite <span class="operator">=</span> <span class="type"><a href="qgeosatelliteinfosource.html">QGeoSatelliteInfoSource</a></span><span class="operator">::</span>createDefaultSource(<span class="keyword">this</span>);
<span class="comment">// Listen satellite status changes</span>
<span class="keyword">if</span> (m_satellite <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span>) {
connect(m_satellite<span class="operator">,</span> SIGNAL(satellitesInViewUpdated(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qgeosatelliteinfo.html">QGeoSatelliteInfo</a></span><span class="operator">></span><span class="operator">&</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(satellitesInViewUpdated(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qgeosatelliteinfo.html">QGeoSatelliteInfo</a></span><span class="operator">></span><span class="operator">&</span>)));
connect(m_satellite<span class="operator">,</span> SIGNAL(satellitesInUseUpdated(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qgeosatelliteinfo.html">QGeoSatelliteInfo</a></span><span class="operator">></span><span class="operator">&</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(satellitesInUseUpdated(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qgeosatelliteinfo.html">QGeoSatelliteInfo</a></span><span class="operator">></span><span class="operator">&</span>)));
}
m_nam <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkaccessmanager.html">QNetworkAccessManager</a></span>(<span class="keyword">this</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(delayedInit()));
}
FlickrDemo<span class="operator">::</span><span class="operator">~</span>FlickrDemo()
{
m_shuttingDown <span class="operator">=</span> <span class="keyword">true</span>;
m_location<span class="operator">-</span><span class="operator">></span>stopUpdates();
<span class="keyword">if</span> (m_satellite)
m_satellite<span class="operator">-</span><span class="operator">></span>stopUpdates();
<span class="keyword">if</span> (m_pictureListReply) {
m_pictureListReply<span class="operator">-</span><span class="operator">></span>abort();
<span class="keyword">delete</span> m_pictureListReply;
}
<span class="keyword">if</span> (m_thumbnailReply) {
m_thumbnailReply<span class="operator">-</span><span class="operator">></span>abort();
<span class="keyword">delete</span> m_thumbnailReply;
}
<span class="keyword">if</span> (m_pictureReply) {
m_pictureReply<span class="operator">-</span><span class="operator">></span>abort();
<span class="keyword">delete</span> m_pictureReply;
}
<span class="keyword">if</span> (m_session)
m_session<span class="operator">-</span><span class="operator">></span>close();
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>delayedInit()
{
<span class="keyword">if</span> (m_logfileInUse) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span>
tr(<span class="string">"No GPS support detected, using GPS data from a sample log file instead."</span>));
}
<span class="preprocessor">#ifdef BEARER_IN_QTNETWORK</span>
<span class="type"><a href="qnetworkconfigurationmanager.html">QNetworkConfigurationManager</a></span> manager;
<span class="keyword">const</span> <span class="type">bool</span> canStartIAP <span class="operator">=</span> (manager<span class="operator">.</span>capabilities()
<span class="operator">&</span> <span class="type"><a href="qnetworkconfigurationmanager.html">QNetworkConfigurationManager</a></span><span class="operator">::</span>CanStartAndStopInterfaces);
<span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span> cfg <span class="operator">=</span> manager<span class="operator">.</span>defaultConfiguration();
<span class="keyword">if</span> (<span class="operator">!</span>cfg<span class="operator">.</span>isValid() <span class="operator">|</span><span class="operator">|</span> (<span class="operator">!</span>canStartIAP <span class="operator">&</span><span class="operator">&</span> cfg<span class="operator">.</span>state() <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span><span class="operator">::</span>Active)) {
<span class="preprocessor">#else</span>
QTM_PREPEND_NAMESPACE(<span class="type"><a href="qnetworkconfigurationmanager.html">QNetworkConfigurationManager</a></span>) manager;
<span class="keyword">const</span> <span class="type">bool</span> canStartIAP <span class="operator">=</span> (manager<span class="operator">.</span>capabilities()
<span class="operator">&</span> QTM_PREPEND_NAMESPACE(<span class="type"><a href="qnetworkconfigurationmanager.html">QNetworkConfigurationManager</a></span>)<span class="operator">::</span>CanStartAndStopInterfaces);
QTM_PREPEND_NAMESPACE(<span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span>) cfg <span class="operator">=</span> manager<span class="operator">.</span>defaultConfiguration();
<span class="keyword">if</span> (<span class="operator">!</span>cfg<span class="operator">.</span>isValid() <span class="operator">|</span><span class="operator">|</span> (<span class="operator">!</span>canStartIAP <span class="operator">&</span><span class="operator">&</span> cfg<span class="operator">.</span>state() <span class="operator">!</span><span class="operator">=</span> QTM_PREPEND_NAMESPACE(<span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span>)<span class="operator">::</span>Active)) {
<span class="preprocessor">#endif</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span> tr(<span class="string">"Available Access Points not found."</span>));
qApp<span class="operator">-</span><span class="operator">></span>quit();
}
m_session <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qnetworksession.html">QNetworkSession</a></span>(cfg<span class="operator">,</span> <span class="keyword">this</span>);
m_connectivityHelper <span class="operator">=</span> <span class="keyword">new</span> ConnectivityHelper(m_session<span class="operator">,</span> <span class="keyword">this</span>);
connect(m_session<span class="operator">,</span> SIGNAL(opened())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(networkSessionOpened()));
connect(m_connectivityHelper<span class="operator">,</span> SIGNAL(networkingCancelled())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit()));
m_session<span class="operator">-</span><span class="operator">></span>open();
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>networkSessionOpened()
{
connect(downloadButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(downloadButtonClicked()));
<span class="comment">// Start listening GPS position updates</span>
m_location<span class="operator">-</span><span class="operator">></span>startUpdates();
<span class="comment">// Start listening GPS satellite status changes</span>
<span class="keyword">if</span> (m_satellite <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span>) {
m_satellite<span class="operator">-</span><span class="operator">></span>startUpdates();
} <span class="keyword">else</span> {
satellitesLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"GPS not detected, replaying coordinates from sample log file."</span>));
}
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>createMenus()
{
m_downloadAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(tr(<span class="string">"Download Picture List"</span>)<span class="operator">,</span> <span class="keyword">this</span>);
<span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM) || defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)</span>
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(m_downloadAct);
<span class="preprocessor">#endif</span>
connect(m_downloadAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(downloadButtonClicked()));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span><span class="operator">*</span> exitAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(tr(<span class="string">"Exit"</span>)<span class="operator">,</span> <span class="keyword">this</span>);
<span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM) || defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)</span>
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(exitAct);
<span class="preprocessor">#endif</span>
connect(exitAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(close()));
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>positionUpdated(<span class="keyword">const</span> <span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span> <span class="operator">&</span>gpsPos)
{
<span class="keyword">if</span> (gpsPos<span class="operator">.</span>isValid()) {
<span class="type"><a href="qgeocoordinate.html">QGeoCoordinate</a></span> coord <span class="operator">=</span> gpsPos<span class="operator">.</span>coordinate();
m_latitude <span class="operator">=</span> coord<span class="operator">.</span>latitude();
m_longitude <span class="operator">=</span> coord<span class="operator">.</span>longitude();
locationLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Lat: %1 Long: %2"</span>)<span class="operator">.</span>arg(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_latitude)<span class="operator">,</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_longitude)));
}
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>satellitesInViewUpdated(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qgeosatelliteinfo.html">QGeoSatelliteInfo</a></span><span class="operator">></span> <span class="operator">&</span>satellites)
{
m_satellitesInView <span class="operator">=</span> satellites<span class="operator">.</span>count();
viewSatelliteInfo();
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>satellitesInUseUpdated(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qgeosatelliteinfo.html">QGeoSatelliteInfo</a></span><span class="operator">></span> <span class="operator">&</span>satellites)
{
m_satellitesUsed <span class="operator">=</span> satellites<span class="operator">.</span>count();
viewSatelliteInfo();
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>viewSatelliteInfo()
{
<span class="keyword">if</span> (m_satellite <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span>) {
satellitesLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Using %1 of %2 satellites"</span>)<span class="operator">.</span>arg(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_satellitesUsed)<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_satellitesInView)));
} <span class="keyword">else</span> {
satellitesLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"GPS not detected, replaying coordinates from sample log file."</span>));
}
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>downloadButtonClicked()
{
<span class="keyword">if</span> (m_downloadPictureList) {
downloadFlickerPictureList();
} <span class="keyword">else</span> {
downloadPictureFromFlickr();
}
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>downloadFlickerPictureList()
{
<span class="keyword">if</span> (m_latitude <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1000</span> <span class="operator">|</span><span class="operator">|</span> m_longitude <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1000</span>) {
<span class="keyword">if</span> (<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>question(<span class="keyword">this</span><span class="operator">,</span>
tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span>
tr(<span class="string">"No satellite connection.\n"</span><span class="string">"Use hard coded coordinates?"</span>)<span class="operator">,</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>Ok <span class="operator">|</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>Cancel<span class="operator">,</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>Cancel)
<span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>Cancel) {
<span class="keyword">return</span>;
}
<span class="comment">// If GPS signal is not detected, Tampere area is used as default location</span>
m_latitude <span class="operator">=</span> <span class="number">61.4500</span>;
m_longitude <span class="operator">=</span> <span class="number">23.8502</span>;
}
<span class="comment">// Set IAP name</span>
satellitesLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Access Point: %1"</span>)<span class="operator">.</span>arg(m_session<span class="operator">-</span><span class="operator">></span>configuration()<span class="operator">.</span>name()));
locationLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Lat: %1 Long: %2"</span>)<span class="operator">.</span>arg(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_latitude)<span class="operator">,</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_longitude)));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span>
urlstring <span class="operator">=</span>
<span class="string">"http://api.flickr.com/services/rest/?min_taken_date=2000-01-01+0:00:00&extras=date_taken&method=flickr.photos.search&per_page=30&sort=date-taken-desc"</span>;
urlstring<span class="operator">.</span>append(<span class="string">"&api_key="</span>);
urlstring<span class="operator">.</span>append(apikey);
urlstring<span class="operator">.</span>append(<span class="string">"&lat="</span>);
urlstring<span class="operator">.</span>append(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_latitude));
urlstring<span class="operator">.</span>append(<span class="string">"&lon="</span>);
urlstring<span class="operator">.</span>append(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_longitude));
urlstring<span class="operator">.</span>append(<span class="string">"&page="</span>);
urlstring<span class="operator">.</span>append(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(m_page));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qurl.html">QUrl</a></span> url(urlstring);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkrequest.html">QNetworkRequest</a></span> req(url);
m_pictureListReply <span class="operator">=</span> m_nam<span class="operator">-</span><span class="operator">></span>get(req);
connect(m_pictureListReply<span class="operator">,</span>
SIGNAL(downloadProgress(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(pictureListDownloadProgress(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span>)));
connect(m_pictureListReply<span class="operator">,</span>
SIGNAL(finished())<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(pictureListFinished()));
connect(m_pictureListReply<span class="operator">,</span>
SIGNAL(error(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(pictureListError(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError)));
m_progressDialog<span class="operator">-</span><span class="operator">></span>setWindowTitle(tr(<span class="string">"FlickrDemo"</span>));
m_progressDialog<span class="operator">-</span><span class="operator">></span>setLabelText(tr(<span class="string">"Downloading\nPicture List."</span>));
m_progressDialog<span class="operator">-</span><span class="operator">></span>setMaximum(<span class="number">10</span>);
m_progressDialog<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span>);
m_progressDialog<span class="operator">-</span><span class="operator">></span>show();
}
<span class="type">bool</span> FlickrDemo<span class="operator">::</span>parsePictureList(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> xmlString)
{
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> errorStr;
<span class="type">int</span> errorLine;
<span class="type">int</span> errorColumn;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdomdocument.html">QDomDocument</a></span> domDocument;
<span class="keyword">if</span> (<span class="operator">!</span>domDocument<span class="operator">.</span>setContent(xmlString<span class="operator">,</span> <span class="keyword">true</span><span class="operator">,</span> <span class="operator">&</span>errorStr<span class="operator">,</span> <span class="operator">&</span>errorLine<span class="operator">,</span> <span class="operator">&</span>errorColumn)) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(window()<span class="operator">,</span>
tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span>
tr(<span class="string">"XML Parse error at line %1, column %2:\n%3"</span>)<span class="operator">.</span>arg(errorLine)<span class="operator">.</span>arg(errorColumn)<span class="operator">.</span>arg(errorStr));
<span class="keyword">return</span> <span class="keyword">false</span>;
}
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdomelement.html">QDomElement</a></span> root <span class="operator">=</span> domDocument<span class="operator">.</span>documentElement();
<span class="keyword">if</span> (root<span class="operator">.</span>tagName() <span class="operator">!</span><span class="operator">=</span> <span class="string">"rsp"</span>) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(window()<span class="operator">,</span> tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span> tr(<span class="string">"Invalid XML format."</span>));
<span class="keyword">return</span> <span class="keyword">false</span>;
}
<span class="keyword">if</span> (root<span class="operator">.</span>attribute(<span class="string">"stat"</span>) <span class="operator">!</span><span class="operator">=</span> <span class="string">"ok"</span>) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(window()<span class="operator">,</span> tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span> tr(<span class="string">"Query failed."</span>));
<span class="keyword">return</span> <span class="keyword">false</span>;
}
listWidget<span class="operator">-</span><span class="operator">></span>clear();
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qlistwidgetitem.html">QListWidgetItem</a></span><span class="operator">*</span> listItem;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdomelement.html">QDomElement</a></span> photosElement <span class="operator">=</span> root<span class="operator">.</span>firstChildElement(<span class="string">"photos"</span>);
<span class="keyword">if</span> (<span class="operator">!</span>photosElement<span class="operator">.</span>isNull()) {
m_pages <span class="operator">=</span> (photosElement<span class="operator">.</span>attribute(<span class="string">"pages"</span>))<span class="operator">.</span>toInt();
m_page <span class="operator">=</span> (photosElement<span class="operator">.</span>attribute(<span class="string">"page"</span>))<span class="operator">.</span>toInt();
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdomelement.html">QDomElement</a></span> child <span class="operator">=</span> photosElement<span class="operator">.</span>firstChildElement(<span class="string">"photo"</span>);
<span class="keyword">while</span> (<span class="operator">!</span>child<span class="operator">.</span>isNull()) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> url <span class="operator">=</span> <span class="string">"http://farm"</span>;
url<span class="operator">.</span>append(child<span class="operator">.</span>attribute(<span class="string">"farm"</span>));
url<span class="operator">.</span>append(<span class="string">".static.flickr.com/"</span>);
url<span class="operator">.</span>append(child<span class="operator">.</span>attribute(<span class="string">"server"</span>));
url<span class="operator">.</span>append(<span class="string">"/"</span>);
url<span class="operator">.</span>append(child<span class="operator">.</span>attribute(<span class="string">"id"</span>));
url<span class="operator">.</span>append(<span class="string">"_"</span>);
url<span class="operator">.</span>append(child<span class="operator">.</span>attribute(<span class="string">"secret"</span>));
m_names <span class="operator"><</span><span class="operator"><</span> url;
listItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlistwidgetitem.html">QListWidgetItem</a></span>(child<span class="operator">.</span>attribute(<span class="string">"title"</span>));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qimage.html">QImage</a></span> image(thumbnailSize<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qimage.html">QImage</a></span><span class="operator">::</span>Format_Mono);
image<span class="operator">.</span>fill(<span class="number">1</span>);
listItem<span class="operator">-</span><span class="operator">></span>setIcon(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span><span class="operator">::</span>fromImage(image));
listItem<span class="operator">-</span><span class="operator">></span>setData(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>UserRole<span class="operator">,</span> url);
listWidget<span class="operator">-</span><span class="operator">></span>addItem(listItem);
child <span class="operator">=</span> child<span class="operator">.</span>nextSiblingElement(<span class="string">"photo"</span>);
}
} <span class="keyword">else</span> {
<span class="keyword">return</span> <span class="keyword">false</span>;
}
m_nameCounter <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>;
downloadNextThumbnail();
<span class="keyword">return</span> <span class="keyword">true</span>;
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>downloadPictureFromFlickr()
{
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qlistwidgetitem.html">QListWidgetItem</a></span><span class="operator">*</span> item <span class="operator">=</span> listWidget<span class="operator">-</span><span class="operator">></span>currentItem();
<span class="keyword">if</span> (<span class="operator">!</span>item) {
<span class="keyword">return</span>;
}
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> pictureUrl <span class="operator">=</span> item<span class="operator">-</span><span class="operator">></span>data(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>UserRole)<span class="operator">.</span>toString();
pictureUrl<span class="operator">.</span>append(<span class="string">"_m.jpg"</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qurl.html">QUrl</a></span> url(pictureUrl);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkrequest.html">QNetworkRequest</a></span> req(url);
m_pictureReply <span class="operator">=</span> m_nam<span class="operator">-</span><span class="operator">></span>get(req);
connect(m_pictureReply<span class="operator">,</span>
SIGNAL(downloadProgress(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(pictureDownloadProgress(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span>)));
connect(m_pictureReply<span class="operator">,</span>
SIGNAL(finished())<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(pictureFinished()));
connect(m_pictureReply<span class="operator">,</span>
SIGNAL(error(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(pictureError(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError)));
m_progressDialog<span class="operator">-</span><span class="operator">></span>setWindowTitle(tr(<span class="string">"Flickr Demo"</span>));
m_progressDialog<span class="operator">-</span><span class="operator">></span>setLabelText(tr(<span class="string">"Downloading:\n%1"</span>)<span class="operator">.</span>arg(pictureUrl));
m_progressDialog<span class="operator">-</span><span class="operator">></span>setMaximum(<span class="number">10</span>);
m_progressDialog<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span>);
m_progressDialog<span class="operator">-</span><span class="operator">></span>show();
downloadButton<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>);
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>cancelDownload()
{
<span class="keyword">if</span> (m_pictureListReply) {
m_pictureListReply<span class="operator">-</span><span class="operator">></span>abort();
<span class="keyword">delete</span> m_pictureListReply;
m_pictureListReply <span class="operator">=</span> <span class="number">0</span>;
}
<span class="keyword">if</span> (m_pictureReply) {
m_pictureReply<span class="operator">-</span><span class="operator">></span>abort();
<span class="keyword">delete</span> m_pictureReply;
m_pictureReply <span class="operator">=</span> <span class="number">0</span>;
}
downloadButton<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>);
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>pictureListDownloadProgress(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span> bytesReceived<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span> bytesTotal)
{
m_progressDialog<span class="operator">-</span><span class="operator">></span>setMaximum(bytesTotal);
m_progressDialog<span class="operator">-</span><span class="operator">></span>setValue(bytesReceived);
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>pictureListFinished()
{
m_progressDialog<span class="operator">-</span><span class="operator">></span>hide();
<span class="keyword">if</span> (parsePictureList(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>fromUtf8(m_pictureListReply<span class="operator">-</span><span class="operator">></span>readAll()))) {
m_downloadPictureList <span class="operator">=</span> <span class="keyword">false</span>;
downloadButton<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Download Selected Picture"</span>));
m_downloadAct<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Download Selected Picture"</span>));
}
downloadButton<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(clearPictureListRequest()));
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>pictureListError(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError <span class="comment">/*code*/</span>)
{
<span class="keyword">if</span> (m_shuttingDown)
<span class="keyword">return</span>;
m_progressDialog<span class="operator">-</span><span class="operator">></span>hide();
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span>
tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span>
tr(<span class="string">"Error downloading picture list: %1."</span>)<span class="operator">.</span>arg(m_pictureListReply<span class="operator">-</span><span class="operator">></span>errorString()));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(clearPictureListRequest()));
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>clearPictureListRequest()
{
<span class="keyword">delete</span> m_pictureListReply;
m_pictureListReply <span class="operator">=</span> <span class="number">0</span>;
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>thumbnailFinished()
{
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qbytearray.html">QByteArray</a></span> picture <span class="operator">=</span> m_thumbnailReply<span class="operator">-</span><span class="operator">></span>readAll();
<span class="keyword">if</span> (<span class="operator">!</span>picture<span class="operator">.</span>isNull() <span class="operator">&</span><span class="operator">&</span> picture<span class="operator">.</span>size() <span class="operator">></span> <span class="number">0</span>) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qlistwidgetitem.html">QListWidgetItem</a></span><span class="operator">*</span> item <span class="operator">=</span> listWidget<span class="operator">-</span><span class="operator">></span>item(m_nameCounter);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qimage.html">QImage</a></span> image;
<span class="keyword">if</span> (image<span class="operator">.</span>loadFromData(picture<span class="operator">,</span> <span class="string">"jpg"</span>)) {
item<span class="operator">-</span><span class="operator">></span>setIcon(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span><span class="operator">::</span>fromImage(
image<span class="operator">.</span>scaled(thumbnailSize<span class="operator">,</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>KeepAspectRatio<span class="operator">,</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>SmoothTransformation)));
listWidget<span class="operator">-</span><span class="operator">></span>update();
}
}
downloadNextThumbnail();
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>thumbnailError(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError <span class="comment">/*code*/</span>)
{
<span class="keyword">if</span> (m_shuttingDown)
<span class="keyword">return</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span>
tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span>
tr(<span class="string">"Error downloading thumbnails: %1."</span>)<span class="operator">.</span>arg(m_thumbnailReply<span class="operator">-</span><span class="operator">></span>errorString()));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(clearThumbnailRequest()));
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>clearThumbnailRequest()
{
<span class="keyword">delete</span> m_thumbnailReply;
m_thumbnailReply <span class="operator">=</span> <span class="number">0</span>;
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>pictureDownloadProgress(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span> bytesReceived<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qint64-typedef">qint64</a></span> bytesTotal)
{
m_progressDialog<span class="operator">-</span><span class="operator">></span>setMaximum(bytesTotal);
m_progressDialog<span class="operator">-</span><span class="operator">></span>setValue(bytesReceived);
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>pictureFinished()
{
m_progressDialog<span class="operator">-</span><span class="operator">></span>hide();
downloadButton<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qbytearray.html">QByteArray</a></span> picture <span class="operator">=</span> m_pictureReply<span class="operator">-</span><span class="operator">></span>readAll();
<span class="keyword">if</span> (picture<span class="operator">.</span>isNull() <span class="operator">|</span><span class="operator">|</span> picture<span class="operator">.</span>size() <span class="operator"><</span><span class="operator">=</span> <span class="number">0</span>)
<span class="keyword">return</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qimage.html">QImage</a></span> image;
<span class="keyword">if</span> (<span class="operator">!</span>image<span class="operator">.</span>loadFromData(picture<span class="operator">,</span> <span class="string">"jpg"</span>))
<span class="keyword">return</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span> pixmap <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span><span class="operator">::</span>fromImage(
image<span class="operator">.</span>scaled(imageSize<span class="operator">,</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>KeepAspectRatio<span class="operator">,</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>SmoothTransformation));
displayImage(pixmap);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(clearPictureRequest()));
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>pictureError(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError <span class="comment">/*code*/</span>)
{
<span class="keyword">if</span> (m_shuttingDown)
<span class="keyword">return</span>;
m_progressDialog<span class="operator">-</span><span class="operator">></span>hide();
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span>
tr(<span class="string">"Flickr Demo"</span>)<span class="operator">,</span>
tr(<span class="string">"Error downloading picture: %1."</span>)<span class="operator">.</span>arg(m_pictureReply<span class="operator">-</span><span class="operator">></span>errorString()));
downloadButton<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(clearPictureRequest()));
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>clearPictureRequest()
{
<span class="keyword">delete</span> m_pictureReply;
m_pictureReply <span class="operator">=</span> <span class="number">0</span>;
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>displayImage(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span> <span class="operator">&</span>pixmap)
{
PictureDialog dialog(pixmap<span class="operator">,</span> listWidget<span class="operator">-</span><span class="operator">></span>currentItem()<span class="operator">-</span><span class="operator">></span>text()<span class="operator">,</span> <span class="keyword">this</span>);
<span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM) || defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)</span>
dialog<span class="operator">.</span>showMaximized();
<span class="preprocessor">#endif</span>
dialog<span class="operator">.</span>exec();
}
<span class="type">void</span> FlickrDemo<span class="operator">::</span>downloadNextThumbnail()
{
m_nameCounter<span class="operator">+</span><span class="operator">+</span>;
<span class="keyword">if</span> (m_nameCounter <span class="operator"><</span> m_names<span class="operator">.</span>count()) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> pictureUrl <span class="operator">=</span> m_names<span class="operator">[</span>m_nameCounter<span class="operator">]</span>;
pictureUrl<span class="operator">.</span>append(<span class="string">"_s.jpg"</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qurl.html">QUrl</a></span> url(pictureUrl);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkrequest.html">QNetworkRequest</a></span> req(url);
m_thumbnailReply <span class="operator">=</span> m_nam<span class="operator">-</span><span class="operator">></span>get(req);
connect(m_thumbnailReply<span class="operator">,</span>
SIGNAL(finished())<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(thumbnailFinished()));
connect(m_thumbnailReply<span class="operator">,</span>
SIGNAL(error(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(thumbnailError(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">::</span>NetworkError)));
} <span class="keyword">else</span> {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(clearThumbnailRequest()));
}
}
PictureDialog<span class="operator">::</span>PictureDialog(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span><span class="operator">&</span> pixmap<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">&</span> pictureName<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qwidget.html">QWidget</a></span><span class="operator">*</span> parent) :
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdialog.html">QDialog</a></span>(parent)
{
resize(<span class="number">252</span><span class="operator">,</span> <span class="number">361</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>verticalLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qvboxlayout.html">QVBoxLayout</a></span>();
verticalLayout<span class="operator">-</span><span class="operator">></span>setSpacing(<span class="number">6</span>);
verticalLayout<span class="operator">-</span><span class="operator">></span>setContentsMargins(<span class="number">11</span><span class="operator">,</span> <span class="number">11</span><span class="operator">,</span> <span class="number">11</span><span class="operator">,</span> <span class="number">11</span>);
label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlabel.html">QLabel</a></span>();
label<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Downloaded:\n%1"</span>)<span class="operator">.</span>arg(pictureName));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizepolicy.html">QSizePolicy</a></span> sizePolicy(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Ignored<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Preferred);
sizePolicy<span class="operator">.</span>setHorizontalStretch(<span class="number">0</span>);
sizePolicy<span class="operator">.</span>setVerticalStretch(<span class="number">0</span>);
sizePolicy<span class="operator">.</span>setHeightForWidth(label<span class="operator">-</span><span class="operator">></span>sizePolicy()<span class="operator">.</span>hasHeightForWidth());
label<span class="operator">-</span><span class="operator">></span>setSizePolicy(sizePolicy);
verticalLayout<span class="operator">-</span><span class="operator">></span>addWidget(label);
imageLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qlabel.html">QLabel</a></span>();
imageLabel<span class="operator">-</span><span class="operator">></span>setPixmap(pixmap);
verticalLayout<span class="operator">-</span><span class="operator">></span>addWidget(imageLabel);
buttonBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qdialogbuttonbox.html">QDialogButtonBox</a></span>();
buttonBox<span class="operator">-</span><span class="operator">></span>setStandardButtons(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>Close);
connect(buttonBox<span class="operator">,</span> SIGNAL(rejected())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(accept()));
verticalLayout<span class="operator">-</span><span class="operator">></span>addWidget(buttonBox);
setLayout(verticalLayout);
setWindowTitle(tr(<span class="string">"Flickr Demo"</span>));
}</pre>
</div>
<!-- @@@flickrdemo/flickrdemo.cpp -->
<div class="ft">
<span></span>
</div>
</div>
<div class="footer">
<p>
<acronym title="Copyright">©</acronym> 2008-2011 Nokia Corporation and/or its
subsidiaries. Nokia, Qt and their respective logos are trademarks of Nokia Corporation
in Finland and/or other countries worldwide.</p>
<p>
All other trademarks are property of their respective owners. <a title="Privacy Policy"
href="http://qt.nokia.com/about/privacy-policy">Privacy Policy</a></p>
<br />
<p>
Licensees holding valid Qt Commercial licenses may use this document in accordance with the Qt Commercial License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Nokia.</p>
<p>
Alternatively, this document may be used under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU
Free Documentation License version 1.3</a>
as published by the Free Software Foundation.</p>
</div>
</body>
</html>
distrib
>
Mageia
>
5
>
i586
>
media
>
core-release
>
by-pkgid
>
50facae208d4a6f280e44a513b104320
>
files
>
326
