/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: http://www.qt-project.org/
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**************************************************************************/

#ifndef NODEINSTANCECLIENTPROXY_H
#define NODEINSTANCECLIENTPROXY_H

#include "nodeinstanceclientinterface.h"

#include <QObject>
#include <QHash>
#include <QWeakPointer>

QT_BEGIN_NAMESPACE
class QLocalSocket;
QT_END_NAMESPACE

namespace QmlDesigner {

class NodeInstanceServerInterface;
class CreateSceneCommand;
class CreateInstancesCommand;
class ClearSceneCommand;
class ReparentInstancesCommand;
class ChangeFileUrlCommand;
class ChangeValuesCommand;
class ChangeAuxiliaryCommand;
class ChangeBindingsCommand;
class ChangeIdsCommand;
class RemoveInstancesCommand;
class RemovePropertiesCommand;
class CompleteComponentCommand;
class ChangeStateCommand;
class ChangeNodeSourceCommand;


class NodeInstanceClientProxy : public QObject, public NodeInstanceClientInterface
{
    Q_OBJECT

public:
    NodeInstanceClientProxy(QObject *parent = 0);

    void informationChanged(const InformationChangedCommand &command);
    void valuesChanged(const ValuesChangedCommand &command);
    void pixmapChanged(const PixmapChangedCommand &command);
    void childrenChanged(const ChildrenChangedCommand &command);
    void statePreviewImagesChanged(const StatePreviewImageChangedCommand &command);
    void componentCompleted(const ComponentCompletedCommand &command);    
    void token(const TokenCommand &command);

    void flush();
    void synchronizeWithClientProcess();
    qint64 bytesToWrite() const;

protected:
    void initializeSocket();
    void writeCommand(const QVariant &command);
    void dispatchCommand(const QVariant &command);
    NodeInstanceServerInterface *nodeInstanceServer() const;
    void setNodeInstanceServer(NodeInstanceServerInterface *nodeInstanceServer);

    void createInstances(const CreateInstancesCommand &command);
    void changeFileUrl(const ChangeFileUrlCommand &command);
    void createScene(const CreateSceneCommand &command);
    void clearScene(const ClearSceneCommand &command);
    void removeInstances(const RemoveInstancesCommand &command);
    void removeProperties(const RemovePropertiesCommand &command);
    void changePropertyBindings(const ChangeBindingsCommand &command);
    void changePropertyValues(const ChangeValuesCommand &command);
    void changeAuxiliaryValues(const ChangeAuxiliaryCommand &command);
    void reparentInstances(const ReparentInstancesCommand &command);
    void changeIds(const ChangeIdsCommand &command);
    void changeState(const ChangeStateCommand &command);
    void completeComponent(const CompleteComponentCommand &command);
    void changeNodeSource(const ChangeNodeSourceCommand &command);
    void removeSharedMemory(const RemoveSharedMemoryCommand &command);
    void redirectToken(const TokenCommand &command);

private slots:
    void readDataStream();

private:
    QLocalSocket *m_socket;
    NodeInstanceServerInterface *m_nodeInstanceServer;
    quint32 m_blockSize;
    quint32 m_writeCommandCounter;
    quint32 m_lastReadCommandCounter;
    int m_synchronizeId;
};

} // namespace QmlDesigner

#endif // NODEINSTANCECLIENTPROXY_H