1 files changed, 196 insertions, 0 deletions
diff --git a/src/multimedia/base/qlocalmediaplaylistprovider.cpp b/src/multimedia/base/qlocalmediaplaylistprovider.cpp
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+++ b/src/multimedia/base/qlocalmediaplaylistprovider.cpp
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+/****************************************************************************
+**
+** 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 QtMultimedia module 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 <QtMultimedia/qlocalmediaplaylistprovider.h>
+#include "qmediaplaylistprovider_p.h"
+#include <QtMultimedia/qmediacontent.h>
+
+
+QT_BEGIN_NAMESPACE
+
+class QLocalMediaPlaylistProviderPrivate: public QMediaPlaylistProviderPrivate
+{
+public:
+    QList<QMediaContent> resources;
+};
+
+QLocalMediaPlaylistProvider::QLocalMediaPlaylistProvider(QObject *parent)
+    :QMediaPlaylistProvider(*new QLocalMediaPlaylistProviderPrivate, parent)
+{
+}
+
+QLocalMediaPlaylistProvider::~QLocalMediaPlaylistProvider()
+{
+}
+
+bool QLocalMediaPlaylistProvider::isReadOnly() const
+{
+    return false;
+}
+
+int QLocalMediaPlaylistProvider::mediaCount() const
+{
+    return d_func()->resources.size();
+}
+
+QMediaContent QLocalMediaPlaylistProvider::media(int pos) const
+{
+    return d_func()->resources.value(pos);
+}
+
+bool QLocalMediaPlaylistProvider::addMedia(const QMediaContent &content)
+{
+    Q_D(QLocalMediaPlaylistProvider);
+
+    int pos = d->resources.count();
+
+    emit mediaAboutToBeInserted(pos, pos);
+    d->resources.append(content);
+    emit mediaInserted(pos, pos);
+
+    return true;
+}
+
+bool QLocalMediaPlaylistProvider::addMedia(const QList<QMediaContent> &items)
+{
+    Q_D(QLocalMediaPlaylistProvider);
+
+    if (items.isEmpty())
+        return true;
+
+    int pos = d->resources.count();
+    int end = pos+items.count()-1;
+
+    emit mediaAboutToBeInserted(pos, end);
+    d->resources.append(items);
+    emit mediaInserted(pos, end);
+
+    return true;
+}
+
+
+bool QLocalMediaPlaylistProvider::insertMedia(int pos, const QMediaContent &content)
+{
+    Q_D(QLocalMediaPlaylistProvider);
+
+    emit mediaAboutToBeInserted(pos, pos);
+    d->resources.insert(pos, content);
+    emit mediaInserted(pos,pos);
+
+    return true;
+}
+
+bool QLocalMediaPlaylistProvider::insertMedia(int pos, const QList<QMediaContent> &items)
+{
+    Q_D(QLocalMediaPlaylistProvider);
+
+    if (items.isEmpty())
+        return true;
+
+    const int last = pos+items.count()-1;
+
+    emit mediaAboutToBeInserted(pos, last);
+    for (int i=0; i<items.count(); i++)
+        d->resources.insert(pos+i, items.at(i));
+    emit mediaInserted(pos, last);
+
+    return true;
+}
+
+bool QLocalMediaPlaylistProvider::removeMedia(int fromPos, int toPos)
+{
+    Q_D(QLocalMediaPlaylistProvider);
+
+    Q_ASSERT(fromPos >= 0);
+    Q_ASSERT(fromPos <= toPos);
+    Q_ASSERT(toPos < mediaCount());
+
+    emit mediaAboutToBeRemoved(fromPos, toPos);
+    d->resources.erase(d->resources.begin()+fromPos, d->resources.begin()+toPos+1);
+    emit mediaRemoved(fromPos, toPos);
+
+    return true;
+}
+
+bool QLocalMediaPlaylistProvider::removeMedia(int pos)
+{
+    Q_D(QLocalMediaPlaylistProvider);
+
+    emit mediaAboutToBeRemoved(pos, pos);
+    d->resources.removeAt(pos);
+    emit mediaRemoved(pos, pos);
+
+    return true;
+}
+
+bool QLocalMediaPlaylistProvider::clear()
+{
+    Q_D(QLocalMediaPlaylistProvider);
+    if (!d->resources.isEmpty()) {
+        int lastPos = mediaCount()-1;
+        emit mediaAboutToBeRemoved(0, lastPos);
+        d->resources.clear();
+        emit mediaRemoved(0, lastPos);
+    }
+
+    return true;
+}
+
+void QLocalMediaPlaylistProvider::shuffle()
+{
+    Q_D(QLocalMediaPlaylistProvider);
+    if (!d->resources.isEmpty()) {
+        QList<QMediaContent> resources;
+
+        while (!d->resources.isEmpty()) {
+            resources.append(d->resources.takeAt(qrand() % d->resources.size()));
+        }
+
+        d->resources = resources;
+        emit mediaChanged(0, mediaCount()-1);
+    }
+
+}
+
+#include "moc_qlocalmediaplaylistprovider.cpp"
+
+QT_END_NAMESPACE
+