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# backendinterface.h

Go to the documentation of this file.

    00001 /*  This file is part of the KDE project
    00002     Copyright (C) 2006-2007 Matthias Kretz <kretz@kde.org>
    00003
    00004     This library is free software; you can redistribute it and/or
    00005     modify it under the terms of the GNU Lesser General Public
    00006     License as published by the Free Software Foundation; either
    00007     version 2.1 of the License, or (at your option) version 3, or any
    00008     later version accepted by the membership of KDE e.V. (or its
    00009     successor approved by the membership of KDE e.V.), Nokia Corporation
    00010     (or its successors, if any) and the KDE Free Qt Foundation, which shall
    00011     act as a proxy defined in Section 6 of version 3 of the license.
    00012
    00013     This library is distributed in the hope that it will be useful,
    00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00016     Lesser General Public License for more details.
    00017
    00018     You should have received a copy of the GNU Lesser General Public
    00019     License along with this library.  If not, see <http://www.gnu.org/licenses/>.
    00020
    00021 */
    00022
    00023 #ifndef PHONON_BACKENDINTERFACE_H
    00024 #define PHONON_BACKENDINTERFACE_H
    00025
    00026 #include "phonon_export.h"
    00027 #include "objectdescription.h"
    00028
    00029 #include <QtCore/QtGlobal>
    00030 #include <QtCore/QSet>
    00031
    00032 QT_BEGIN_HEADER
    00033 QT_BEGIN_NAMESPACE
    00034
    00035 class QVariant;
    00036
    00037 namespace Phonon
    00038 {
    00039
    00168 class BackendInterface
    00169 {
    00170     public:
    00176         virtual ~BackendInterface() {}
    00177
    00181         enum Class {
    00185             MediaObjectClass,
    00189             VolumeFaderEffectClass,
    00193             AudioOutputClass,
    00197             AudioDataOutputClass,
    00201             VisualizationClass,
    00205             VideoDataOutputClass,
    00211             EffectClass,
    00215             VideoWidgetClass
    00216         };
    00217
    00225         virtual QObject *createObject(Class c, QObject *parent, const QList<QVariant> &args = QList<QVariant>()) = 0;
    00226
    00232         virtual QList<int> objectDescriptionIndexes(ObjectDescriptionType type) const = 0;
    00233
    00250         virtual QHash<QByteArray, QVariant> objectDescriptionProperties(ObjectDescriptionType type, int index) const = 0;
    00251
    00256         virtual bool startConnectionChange(QSet<QObject *>) = 0;
    00257
    00261         virtual bool connectNodes(QObject *, QObject *) = 0;
    00262
    00266         virtual bool disconnectNodes(QObject *, QObject *) = 0;
    00267
    00272         virtual bool endConnectionChange(QSet<QObject *>) = 0;
    00273
    00277         virtual QStringList availableMimeTypes() const = 0;
    00278
    00279 };
    00280 } // namespace Phonon
    00281
    00282 Q_DECLARE_INTERFACE(Phonon::BackendInterface, "BackendInterface3.phonon.kde.org")
    00283
    00284 QT_END_NAMESPACE
    00285 QT_END_HEADER
    00286
    00287 #endif // PHONON_BACKENDINTERFACE_H