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Diffstat (limited to 'src/multimediakit/qmediaplaylistsourcecontrol.cpp')
-rw-r--r-- | src/multimediakit/qmediaplaylistsourcecontrol.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/multimediakit/qmediaplaylistsourcecontrol.cpp b/src/multimediakit/qmediaplaylistsourcecontrol.cpp new file mode 100644 index 000000000..e8feaf07b --- /dev/null +++ b/src/multimediakit/qmediaplaylistsourcecontrol.cpp @@ -0,0 +1,128 @@ +/**************************************************************************** +** +** 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 Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <qmediaplaylistsourcecontrol.h> +#include <qmediacontrol_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \class QMediaPlaylistSourceControl + \inmodule QtMultimediaKit + \ingroup multimedia + \since 1.0 + + + \brief The QMediaPlaylistSourceControl class provides access to the playlist playback + functionality of a QMediaService. + + This control allows QMediaPlaylist to be passed directly to the service + instead of playing media sources one by one. This control should be + implemented if backend benefits from knowing the next media source to be + played, for example for preloading, cross fading or gap-less playback. + + If QMediaPlaylistSourceControl is provided, the backend must listen for + current playlist item changes to load corresponding media source and + advance the playlist with QMediaPlaylist::next() when playback of the + current media is finished. + + The interface name of QMediaPlaylistSourceControl is \c com.nokia.Qt.QMediaPlaylistSourceControl/1.0 as + defined in QMediaPlaylistSourceControl_iid. + + \sa QMediaService::requestControl(), QMediaPlayer +*/ + +/*! + \macro QMediaPlaylistSourceControl_iid + + \c com.nokia.Qt.QMediaPlaylistSourceControl/1.0 + + Defines the interface name of the QMediaPlaylistSourceControl class. + + \relates QMediaPlaylistSourceControl +*/ + +/*! + Create a new playlist source control object with the given \a parent. +*/ +QMediaPlaylistSourceControl::QMediaPlaylistSourceControl(QObject *parent): + QMediaControl(*new QMediaControlPrivate, parent) +{ +} + +/*! + Destroys the playlist control. +*/ +QMediaPlaylistSourceControl::~QMediaPlaylistSourceControl() +{ +} + + +/*! + \fn QMediaPlaylistSourceControl::playlist() const + + Returns the current playlist. + Should return a null pointer if no playlist is assigned. + \since 1.0 +*/ + +/*! + \fn QMediaPlaylistSourceControl::setPlaylist(QMediaPlaylist *playlist) + + Set the playlist of this media player to \a playlist. + If a null pointer is passed, the playlist source should be disabled. + + The current media should be replaced with the current item of the media playlist. + \since 1.0 +*/ + + +/*! + \fn QMediaPlaylistSourceControl::playlistChanged(QMediaPlaylist* playlist) + + Signal emitted when the playlist has changed to \a playlist. + \since 1.0 +*/ + +#include "moc_qmediaplaylistsourcecontrol.cpp" +QT_END_NAMESPACE + |