plasma-framework/scriptengines/javascript/simplebindings/dataengine.h

/*
 *   Copyright 2007 Richard J. Moore <rich@kde.org>
 *
 *   This program 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 program 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 General Public License for more details
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this program; if not, write to the
 *   Free Software Foundation, Inc.,
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef DATAENGINE_H
#define DATAENGINE_H

#include <QtScript/QtScript>
#include <KDebug>

#include <Plasma/DataEngine>
#include <Plasma/Service>
#include <Plasma/ServiceJob>

#include "variant.h"

using namespace Plasma;

Q_DECLARE_METATYPE(DataEngine*)
Q_DECLARE_METATYPE(Service*)
Q_DECLARE_METATYPE(ServiceJob*)
Q_DECLARE_METATYPE(QVariant)
Q_DECLARE_METATYPE(DataEngine::Dict)
Q_DECLARE_METATYPE(DataEngine::Data)

template <class M>
QScriptValue qScriptValueFromMap(QScriptEngine *eng, const M &map)
{
    //kDebug() << "qScriptValueFromMap called";
    QScriptValue obj = eng->newObject();
    typename M::const_iterator begin = map.constBegin();
    typename M::const_iterator end = map.constEnd();
    typename M::const_iterator it;
    for (it = begin; it != end; ++it) {
        obj.setProperty(it.key(), qScriptValueFromValue(eng, it.value()));
    }

    return obj;
}

template <class M>
void qScriptValueToMap(const QScriptValue &value, M &map)
{
    //kDebug() << "qScriptValueToMap called";
    QScriptValueIterator it(value);
    while (it.hasNext()) {
        it.next();
        map[it.name()] = qscriptvalue_cast<typename M::mapped_type>(it.value());
    }
}

template<typename T>
int qScriptRegisterMapMetaType(
    QScriptEngine *engine,
    const QScriptValue &prototype = QScriptValue()
#ifndef qdoc
    , T * /* dummy */ = 0
#endif
)
{
    return qScriptRegisterMetaType<T>(engine, qScriptValueFromMap, qScriptValueToMap, prototype);
}

class DummyService : public Plasma::Service
{
public:
    ServiceJob *createJob(const QString &operation, QMap<QString, QVariant> &parameters)
    {
        Q_UNUSED(operation)
        Q_UNUSED(parameters)
        return 0;
    }
};

#endif // DATAENGINE_H