1 files changed, 71 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/ds9/volumeeffect.h b/src/3rdparty/phonon/ds9/volumeeffect.h
new file mode 100644
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+++ b/src/3rdparty/phonon/ds9/volumeeffect.h
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+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PHONON_VOLUMEEFFECT_H
+#define PHONON_VOLUMEEFFECT_H
+
+#include "effect.h"
+#include <phonon/volumefaderinterface.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_PHONON_VOLUMEFADEREFFECT
+
+namespace Phonon
+{
+    namespace DS9
+    {
+        class VolumeEffectFilter;
+        class VolumeEffect : public Effect, public Phonon::VolumeFaderInterface
+        {
+            Q_OBJECT
+                Q_INTERFACES(Phonon::VolumeFaderInterface)
+        public:
+            VolumeEffect(QObject *parent);
+
+            //reimplementation
+            virtual float volume() const;
+            virtual void setVolume(float);
+            virtual Phonon::VolumeFaderEffect::FadeCurve fadeCurve() const;
+            virtual void setFadeCurve(Phonon::VolumeFaderEffect::FadeCurve);
+            virtual void fadeTo(float, int);
+
+        private:
+            float m_volume;
+
+            //paramaters used to fade
+            Phonon::VolumeFaderEffect::FadeCurve m_fadeCurve;
+
+            bool m_fading; //determines if we should be fading.
+            float m_initialVolume;  
+            float m_targetVolume;
+            int m_fadeDuration;
+            int m_fadeSamplePosition;
+            qreal (*m_fadeCurveFn)(const qreal, const qreal, const qreal);
+
+            //allow the filter to get access to that
+            friend class VolumeEffectFilter;
+
+        };
+    }
+}
+
+#endif //QT_NO_PHONON_VOLUMEFADEREFFECT
+
+QT_END_NAMESPACE
+
+#endif