--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/m3u/qm3uhandler.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,205 @@
+/****************************************************************************
+**
+** 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 Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 "qm3uhandler.h"
+#include <qmediaresource.h>
+#include <QtCore/qiodevice.h>
+#include <QtCore/qfileinfo.h>
+#include <QtCore/qtextstream.h>
+#include <QFile>
+#include <QUrl>
+
+
+class QM3uPlaylistReader : public QMediaPlaylistReader
+{
+public:
+    QM3uPlaylistReader(QIODevice *device)
+        :m_ownDevice(false), m_device(device), m_textStream(new QTextStream(m_device))
+    {
+        readItem();
+    }
+
+    QM3uPlaylistReader(const QUrl& location)
+        :m_ownDevice(true)
+    {
+        QFile *f = new QFile(location.toLocalFile());
+        if (f->open(QIODevice::ReadOnly | QIODevice::Text)) {
+            m_device = f;
+            m_textStream = new QTextStream(m_device);
+            readItem();
+        } else {
+            delete f;
+            m_device = 0;
+            m_textStream = 0;
+        }
+    }
+
+    virtual ~QM3uPlaylistReader()
+    {
+        if (m_ownDevice) {
+            delete m_device;
+        }
+        delete m_textStream;
+    }
+
+    virtual bool atEnd() const
+    {
+        //we can't just use m_textStream->atEnd(),
+        //for files with empty lines/comments at end
+        return nextResource.isNull();
+    }
+
+    virtual QMediaContent readItem()
+    {
+        QMediaContent item;
+        if (!nextResource.isNull())
+        item = QMediaContent(nextResource);
+
+        nextResource = QMediaContent();
+
+        while (m_textStream && !m_textStream->atEnd()) {
+            QString line = m_textStream->readLine();
+            if (line.isEmpty() || line[0] == '#')
+                continue;
+
+            nextResource = QMediaContent(QUrl(line));
+            break;
+        }
+
+        return item;
+    }
+
+    virtual void close()
+    {
+    }
+
+private:
+    bool m_ownDevice;
+    QIODevice *m_device;
+    QTextStream *m_textStream;
+    QMediaContent nextResource;
+};
+
+class QM3uPlaylistWriter : public QMediaPlaylistWriter
+{
+public:
+    QM3uPlaylistWriter(QIODevice *device)
+        :m_device(device), m_textStream(new QTextStream(m_device))
+    {
+    }
+
+    virtual ~QM3uPlaylistWriter()
+    {
+        delete m_textStream;
+    }
+
+    virtual bool writeItem(const QMediaContent& item)
+    {
+        *m_textStream << item.canonicalUrl().toString() << endl;
+        return true;
+    }
+
+    virtual void close()
+    {
+    }
+
+private:
+    QIODevice *m_device;
+    QTextStream *m_textStream;
+};
+
+
+QM3uPlaylistPlugin::QM3uPlaylistPlugin(QObject *parent)
+    :QMediaPlaylistIOPlugin(parent)
+{
+}
+
+QM3uPlaylistPlugin::~QM3uPlaylistPlugin()
+{
+}
+
+bool QM3uPlaylistPlugin::canRead(QIODevice *device, const QByteArray &format) const
+{
+    return device->isReadable() && (format == "m3u" || format.isEmpty());
+}
+
+bool QM3uPlaylistPlugin::canRead(const QUrl& location, const QByteArray &format) const
+{
+    if (!QFileInfo(location.toLocalFile()).isReadable())
+        return false;
+
+    if (format == "m3u")
+        return true;
+
+    if (!format.isEmpty())
+        return false;
+    else
+        return location.toLocalFile().toLower().endsWith(QLatin1String("m3u"));
+}
+
+bool QM3uPlaylistPlugin::canWrite(QIODevice *device, const QByteArray &format) const
+{
+    return device->isOpen() && device->isWritable() && format == "m3u";
+}
+
+QStringList QM3uPlaylistPlugin::keys() const
+{
+    return QStringList() << QLatin1String("m3u");
+}
+
+QMediaPlaylistReader *QM3uPlaylistPlugin::createReader(QIODevice *device, const QByteArray &format)
+{
+    Q_UNUSED(format);
+    return new QM3uPlaylistReader(device);
+}
+
+QMediaPlaylistReader *QM3uPlaylistPlugin::createReader(const QUrl& location, const QByteArray &format)
+{
+    Q_UNUSED(format);
+    return new QM3uPlaylistReader(location);
+}
+
+QMediaPlaylistWriter *QM3uPlaylistPlugin::createWriter(QIODevice *device, const QByteArray &format)
+{
+    Q_UNUSED(format);
+    return new QM3uPlaylistWriter(device);
+}
+