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/*
* Copyright (C) 2014 Christian Mollekopf <chrigi_1@fastmail.fm>
*
* 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 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 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/>.
*/
#pragma once
#include <QVariant>
#include <QByteArray>
#include <QHash>
namespace Sink {
namespace ApplicationDomain {
/**
* This class has to be implemented by resources and can be used as generic interface to access the buffer properties
*/
class BufferAdaptor {
public:
virtual ~BufferAdaptor() {}
virtual QVariant getProperty(const QByteArray &key) const { return QVariant(); }
virtual void setProperty(const QByteArray &key, const QVariant &value) {}
virtual QList<QByteArray> availableProperties() const { return QList<QByteArray>(); }
};
class MemoryBufferAdaptor : public BufferAdaptor {
public:
MemoryBufferAdaptor()
: BufferAdaptor()
{
}
MemoryBufferAdaptor(const BufferAdaptor &buffer, const QList<QByteArray> &properties)
: BufferAdaptor()
{
if (properties.isEmpty()) {
for(const auto &property : buffer.availableProperties()) {
mValues.insert(property, buffer.getProperty(property));
}
} else {
for(const auto &property : properties) {
mValues.insert(property, buffer.getProperty(property));
}
}
}
virtual ~MemoryBufferAdaptor() {}
virtual QVariant getProperty(const QByteArray &key) const { return mValues.value(key); }
virtual void setProperty(const QByteArray &key, const QVariant &value) { mValues.insert(key, value); }
virtual QByteArrayList availableProperties() const { return mValues.keys(); }
private:
QHash<QByteArray, QVariant> mValues;
};
}
}
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