--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/mmf/backend.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,212 @@
+/*  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/>.
+
+*/
+
+#include <QStringList>
+#include <QtPlugin>
+
+#include <apgcli.h> // for RApaLsSession
+#include <apmrec.h> // for CDataTypeArray
+#include <apmstd.h> // for TDataType
+
+#include "abstractaudioeffect.h"
+#include "audiooutput.h"
+#include "audioplayer.h"
+#include "backend.h"
+#include "effectfactory.h"
+#include "mediaobject.h"
+#include "utils.h"
+#include "videowidget.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace Phonon;
+using namespace Phonon::MMF;
+
+/*! \class MMF::VolumeObserver
+  \internal
+*/
+
+/*! \class MMF::Backend
+  \internal
+*/
+
+Backend::Backend(QObject *parent)   : QObject(parent)
+{
+    TRACE_CONTEXT(Backend::Backend, EBackend);
+    TRACE_ENTRY_0();
+
+    setProperty("identifier",     QLatin1String("phonon_mmf"));
+    setProperty("backendName",    QLatin1String("MMF"));
+    setProperty("backendComment", QLatin1String("Backend using Symbian Multimedia Framework (MMF)"));
+    setProperty("backendVersion", QLatin1String("0.1"));
+    setProperty("backendWebsite", QLatin1String("http://qt.nokia.com/"));
+
+    TRACE_EXIT_0();
+}
+
+QObject *Backend::createObject(BackendInterface::Class c, QObject *parent, const QList<QVariant> &args)
+{
+    TRACE_CONTEXT(Backend::createObject, EBackend);
+    TRACE_ENTRY("class %d", c);
+
+    QObject* result = 0;
+
+    switch (c) {
+    case AudioOutputClass:
+        result = new AudioOutput(this, parent);
+        break;
+
+    case MediaObjectClass:
+        result = new MediaObject(parent);
+        break;
+
+    case VolumeFaderEffectClass:
+    case VisualizationClass:
+    case VideoDataOutputClass:
+    case EffectClass:
+    {
+        Q_ASSERT(args.count() == 1);
+        Q_ASSERT(args.first().type() == QVariant::Int);
+        const AbstractAudioEffect::Type effect = AbstractAudioEffect::Type(args.first().toInt());
+
+        return EffectFactory::createAudioEffect(effect, parent);
+    }
+    case VideoWidgetClass:
+        result = new VideoWidget(qobject_cast<QWidget *>(parent));
+        break;
+
+    default:
+        TRACE_PANIC(InvalidBackendInterfaceClass);
+    }
+
+    TRACE_RETURN("0x%08x", result);
+}
+
+QList<int> Backend::objectDescriptionIndexes(ObjectDescriptionType type) const
+{
+    TRACE_CONTEXT(Backend::objectDescriptionIndexes, EAudioApi);
+    TRACE_ENTRY_0();
+    QList<int> retval;
+
+    switch(type)
+    {
+        case EffectType:
+            retval.append(EffectFactory::effectIndexes());
+            break;
+        case AudioOutputDeviceType:
+            // We only have one possible output device, but we need at least
+            // one.
+            retval.append(AudioOutput::AudioOutputDeviceID);
+            break;
+        default:
+            ;
+    }
+
+    TRACE_EXIT_0();
+    return retval;
+}
+
+QHash<QByteArray, QVariant> Backend::objectDescriptionProperties(ObjectDescriptionType type, int index) const
+{
+    TRACE_CONTEXT(Backend::connectNodes, EBackend);
+
+    switch (type) {
+        case EffectType:
+            return EffectFactory::audioEffectDescriptions(AbstractAudioEffect::Type(index));
+        case AudioOutputDeviceType:
+            return AudioOutput::audioOutputDescription(index);
+        default:
+            return QHash<QByteArray, QVariant>();
+    }
+}
+
+bool Backend::startConnectionChange(QSet<QObject *>)
+{
+    return true;
+}
+
+bool Backend::connectNodes(QObject *source, QObject *target)
+{
+    TRACE_CONTEXT(Backend::connectNodes, EBackend);
+    TRACE_ENTRY("source 0x%08x target 0x%08x", source, target);
+    Q_ASSERT(qobject_cast<MediaNode *>(source));
+    Q_ASSERT(qobject_cast<MediaNode *>(target));
+
+    MediaNode *const mediaSource = static_cast<MediaNode *>(source);
+    MediaNode *const mediaTarget = static_cast<MediaNode *>(target);
+
+    return mediaSource->connectMediaNode(mediaTarget);
+}
+
+bool Backend::disconnectNodes(QObject *source, QObject *target)
+{
+    TRACE_CONTEXT(Backend::disconnectNodes, EBackend);
+    TRACE_ENTRY("source 0x%08x target 0x%08x", source, target);
+    Q_ASSERT(qobject_cast<MediaNode *>(source));
+    Q_ASSERT(qobject_cast<MediaNode *>(target));
+
+    const bool result = static_cast<MediaNode *>(source)->disconnectMediaNode(static_cast<MediaNode *>(target));
+
+    TRACE_RETURN("%d", result);
+}
+
+bool Backend::endConnectionChange(QSet<QObject *>)
+{
+    return true;
+}
+
+void getAvailableMimeTypesL(QStringList& result)
+{
+    RApaLsSession apaSession;
+    User::LeaveIfError(apaSession.Connect());
+    CleanupClosePushL(apaSession);
+
+    static const TInt DataTypeArrayGranularity = 8;
+    CDataTypeArray* array = new(ELeave) CDataTypeArray(DataTypeArrayGranularity);
+    CleanupStack::PushL(array);
+
+    apaSession.GetSupportedDataTypesL(*array);
+
+    for (TInt i = 0; i < array->Count(); ++i) {
+        const TPtrC mimeType = array->At(i).Des();
+        const MediaType mediaType = Utils::mimeTypeToMediaType(mimeType);
+        if (MediaTypeAudio == mediaType or MediaTypeVideo == mediaType) {
+            result.append(qt_TDesC2QString(mimeType));
+        }
+    }
+
+    CleanupStack::PopAndDestroy(2); // apaSession, array
+}
+
+QStringList Backend::availableMimeTypes() const
+{
+    QStringList result;
+
+    // There is no way to return an error from this function, so we just
+    // have to trap and ignore exceptions...
+    TRAP_IGNORE(getAvailableMimeTypesL(result));
+
+    result.sort();
+
+    return result;
+}
+
+Q_EXPORT_PLUGIN2(phonon_mmf, Phonon::MMF::Backend);
+
+QT_END_NAMESPACE
+