1 files changed, 156 insertions, 0 deletions
diff --git a/examples/downloadspeed/main.cpp b/examples/downloadspeed/main.cpp
new file mode 100644
index 000000000..789d30f66
--- /dev/null
+++ b/examples/downloadspeed/main.cpp
@@ -0,0 +1,156 @@
+/****************************************************************************
+** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
+**
+** This file is part of the KD Tools library.
+**
+** Licensees holding valid commercial KD Tools licenses may use this file in
+** accordance with the KD Tools Commercial License Agreement provided with
+** the Software.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU Lesser General Public License version 2 and version 3 as published by the
+** Free Software Foundation and appearing in the file LICENSE.LGPL included.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact info@kdab.com if any conditions of this licensing are not
+** clear to you.
+**
+**********************************************************************/
+#include <KDUpdater/FileDownloader>
+#include <KDUpdater/FileDownloaderFactory>
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+#include <QtCore/QObject>
+#include <QtCore/QUrl>
+
+static QString format(double data)
+{
+    if (data < 1024.0)
+        return QString::fromLatin1("%L1 B").arg(data);
+    data /= 1024.0;
+    if (data < 1024.0)
+        return QString::fromLatin1("%L1 KB").arg(data, 0, 'f', 2);
+    data /= 1024.0;
+    if (data < 1024.0)
+        return QString::fromLatin1("%L1 MB").arg(data, 0, 'f', 2);
+    data /= 1024.0;
+    return QString::fromLatin1("%L1 GB").arg(data, 0, 'f', 2);
+}
+
+
+// -- Receiver
+
+class Receiver : public QObject
+{
+    Q_OBJECT
+
+public:
+    Receiver() : QObject(), m_downloadFinished(false) {}
+    ~Receiver() {}
+
+    inline bool downloaded() { return m_downloadFinished; }
+
+public slots:
+    void downloadStarted() { m_downloadFinished = false; }
+    void downloadFinished() { m_downloadFinished = true; }
+    void downloadAborted(const QString &error) { m_downloadFinished = true; qDebug() << "Error:" << error; }
+
+    void downloadSpeed(qint64 speed)
+    {
+        qDebug() << "Download speed: " << format(speed) + "/sec";
+    }
+
+    void downloadProgress(double progress)
+    {
+        qDebug() << "Progress: " << progress;
+    }
+
+    void estimatedDownloadTime(int time)
+    {
+        if (time <= 0) {
+            qDebug() << "Unknown time remaining.";
+            return;
+        }
+
+        const int d = time / 86400;
+        const int h = (time / 3600) - (d * 24);
+        const int m = (time / 60) - (d * 1440) - (h * 60);
+        const int s = time % 60;
+
+        QString days;
+        if (d > 0)
+            days = QString::number(d) + (d < 2 ? " day" : " days") + QLatin1String(", ");
+
+        QString hours;
+        if (h > 0)
+            hours = QString::number(h) + (h < 2 ? " hour" : " hours") + QLatin1String(", ");
+
+        QString minutes;
+        if (m > 0)
+            minutes = QString::number(m) + (m < 2 ? " minute" : " minutes");
+
+        QString seconds;
+        if (s >= 0 && minutes.isEmpty())
+            seconds = QString::number(s) + (s < 2 ? " second" : " seconds");
+
+        qDebug() << days + hours + minutes + seconds + tr(" remaining.");
+    }
+
+    void downloadStatus(const QString &status)
+    {
+        qDebug() << status;
+    }
+
+    void downloadProgress(qint64 bytesReceived, qint64 bytesToReceive)
+    {
+        qDebug() << "Bytes received: " << bytesReceived << ", Bytes to receive: " << bytesToReceive;
+    }
+
+private:
+    volatile bool m_downloadFinished;
+};
+
+
+// http://get.qt.nokia.com/qt/source/qt-mac-opensource-4.7.4.dmg
+// ftp://ftp.trolltech.com/qt/source/qt-mac-opensource-4.7.4.dmg
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication a(argc, argv);
+
+    if (a.arguments().count() < 2)
+        return EXIT_FAILURE;
+
+    const QUrl url(a.arguments().value(1));
+    qDebug() << url.toString();
+    KDUpdater::FileDownloader *loader = KDUpdater::FileDownloaderFactory::instance().create(url.scheme());
+    if (loader) {
+        loader->setUrl(url);
+
+        Receiver r;
+        r.connect(loader, SIGNAL(downloadStarted()), &r, SLOT(downloadStarted()));
+        r.connect(loader, SIGNAL(downloadCanceled()), &r, SLOT(downloadFinished()));
+        r.connect(loader, SIGNAL(downloadCompleted()), &r, SLOT(downloadFinished()));
+        r.connect(loader, SIGNAL(downloadAborted(QString)), &r, SLOT(downloadAborted(QString)));
+
+        r.connect(loader, SIGNAL(downloadSpeed(qint64)), &r, SLOT(downloadSpeed(qint64)));
+        r.connect(loader, SIGNAL(downloadStatus(QString)), &r, SLOT(downloadStatus(QString)));
+        r.connect(loader, SIGNAL(downloadProgress(double)), &r, SLOT(downloadProgress(double)));
+        r.connect(loader, SIGNAL(estimatedDownloadTime(int)), &r, SLOT(destimatedDownloadTime(int)));
+        r.connect(loader, SIGNAL(downloadProgress(qint64, qint64)), &r, SLOT(downloadProgress(qint64, qint64)));
+
+        loader->download();
+        while (!r.downloaded())
+            QCoreApplication::processEvents();
+
+        delete loader;
+    }
+
+    return EXIT_SUCCESS;
+}
+
+#include "main.moc"