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Commit d9484e4e authored by Matthias Kretz's avatar Matthias Kretz
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svn merge didn't merge correctly it seems. factory.h -> factory_p.h

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/* This file is part of the KDE project
Copyright (C) 2004-2007 Matthias Kretz <kretz@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef PHONON_FACTORY_H
#define PHONON_FACTORY_H
#include "phonon/phonon_export.h"
#include <QtCore/QObject>
#include <QtCore/QStringList>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QUrl;
class QIcon;
namespace Phonon
{
class PlatformPlugin;
class MediaNodePrivate;
class AbstractMediaStream;
/**
* \internal
* \brief Factory to access the preferred Backend.
*
* This class is used internally to get the backend's implementation.
* It keeps track of the objects that were created. When a
* request for a backend change comes, it asks all frontend objects to delete
* their backend objects and then checks whether they were all deleted. Only
* then the old backend is unloaded and the new backend is loaded.
*
* \author Matthias Kretz <kretz@kde.org>
*/
namespace Factory
{
/**
* Emits signals for Phonon::Factory.
*/
class Sender : public QObject
{
Q_OBJECT
Q_SIGNALS:
/**
* Emitted after the backend has successfully been changed.
*/
void backendChanged();
/**
* \copydoc BackendCapabilities::Notifier::availableAudioOutputDevicesChanged
*/
void availableAudioOutputDevicesChanged();
};
/**
* Returns a pointer to the object emitting the signals.
*
* \see Sender::backendChanged()
*/
PHONON_EXPORT Sender *sender();
/**
* Create a new backend object for a MediaObject.
*
* \return a pointer to the MediaObject the backend provides.
*/
QObject *createMediaObject(QObject *parent = 0);
/**
* Create a new backend object for a Effect.
*
* \return a pointer to the Effect the backend provides.
*/
QObject *createEffect(int effectId, QObject *parent = 0);
/**
* Create a new backend object for a VolumeFaderEffect.
*
* \return a pointer to the VolumeFaderEffect the backend provides.
*/
QObject *createVolumeFaderEffect(QObject *parent = 0);
/**
* Create a new backend object for a AudioOutput.
*
* \return a pointer to the AudioOutput the backend provides.
*/
QObject *createAudioOutput(QObject *parent = 0);
/**
* Create a new backend object for a AudioDataOutput.
*
* \return a pointer to the AudioDataOutput the backend provides.
*/
PHONON_EXPORT QObject *createAudioDataOutput(QObject *parent = 0);
/**
* Create a new backend object for a Visualization.
*
* \return a pointer to the Visualization the backend provides.
*/
PHONON_EXPORT QObject *createVisualization(QObject *parent = 0);
/**
* Create a new backend object for a VideoDataOutput.
*
* \return a pointer to the VideoDataOutput the backend provides.
*/
PHONON_EXPORT QObject *createVideoDataOutput(QObject *parent = 0);
/**
* Create a new backend object for a VideoWidget.
*
* \return a pointer to the VideoWidget the backend provides.
*/
QObject *createVideoWidget(QObject *parent = 0);
/**
* \return a pointer to the backend interface.
*/
PHONON_EXPORT QObject *backend(bool createWhenNull = true);
/**
* Unique identifier for the Backend. Can be used in configuration files
* for example.
*/
QString identifier();
/**
* Get the name of the Backend. It's the name from the .desktop file.
*/
PHONON_EXPORT QString backendName();
/**
* Get the comment of the Backend. It's the comment from the .desktop file.
*/
QString backendComment();
/**
* Get the version of the Backend. It's the version from the .desktop file.
*
* The version is especially interesting if there are several versions
* available for binary incompatible versions of the backend's media
* framework.
*/
QString backendVersion();
/**
* Get the icon (name) of the Backend. It's the icon from the .desktop file.
*/
QString backendIcon();
/**
* Get the website of the Backend. It's the website from the .desktop file.
*/
QString backendWebsite();
/**
* registers the backend object
*/
PHONON_EXPORT QObject *registerQObject(QObject *o);
bool isMimeTypeAvailable(const QString &mimeType);
PHONON_EXPORT void registerFrontendObject(MediaNodePrivate *);
PHONON_EXPORT void deregisterFrontendObject(MediaNodePrivate *);
PHONON_EXPORT void setBackend(QObject *);
//PHONON_EXPORT void createBackend(const QString &library, const QString &version = QString());
PlatformPlugin *platformPlugin();
//X It is probably better if we can get away with internal handling of
//X freeing the soundcard device when it's not needed anymore and
//X providing an IPC method to stop all MediaObjects -> free all
//X devices
//X /**
//X * \internal
//X * This is called when the application needs to free the soundcard
//X * device(s).
//X */
//X void freeSoundcardDevices();
} // namespace Factory
} // namespace Phonon
QT_END_NAMESPACE
QT_END_HEADER
#endif // PHONON_FACTORY_H
// vim: sw=4 ts=4
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