forked from qt-creator/qt-creator
		
	Because of the asynchronous nature of the formeditor the item can be between to states. This looks like the item is hoping around. To prevent this a token is sent to the instances and back. For the time frame the painting is disabled. Change-Id: If7e937cba8171248464ad350bb14438c020b25f9 Reviewed-on: http://codereview.qt.nokia.com/1189 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Alessandro Portale <alessandro.portale@nokia.com>
		
			
				
	
	
		
			122 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#ifndef NODEINSTANCECLIENTPROXY_H
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#define NODEINSTANCECLIENTPROXY_H
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#include "nodeinstanceclientinterface.h"
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#include <QObject>
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#include <QHash>
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#include <QWeakPointer>
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QT_BEGIN_NAMESPACE
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class QLocalSocket;
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QT_END_NAMESPACE
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namespace QmlDesigner {
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class NodeInstanceServerInterface;
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class CreateSceneCommand;
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class CreateInstancesCommand;
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class ClearSceneCommand;
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class ReparentInstancesCommand;
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class ChangeFileUrlCommand;
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class ChangeValuesCommand;
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class ChangeAuxiliaryCommand;
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class ChangeBindingsCommand;
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class ChangeIdsCommand;
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class RemoveInstancesCommand;
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class RemovePropertiesCommand;
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class CompleteComponentCommand;
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class ChangeStateCommand;
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class ChangeNodeSourceCommand;
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class NodeInstanceClientProxy : public QObject, public NodeInstanceClientInterface
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{
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    Q_OBJECT
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public:
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    NodeInstanceClientProxy(QObject *parent = 0);
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    void informationChanged(const InformationChangedCommand &command);
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    void valuesChanged(const ValuesChangedCommand &command);
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    void pixmapChanged(const PixmapChangedCommand &command);
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    void childrenChanged(const ChildrenChangedCommand &command);
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    void statePreviewImagesChanged(const StatePreviewImageChangedCommand &command);
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    void componentCompleted(const ComponentCompletedCommand &command);    
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    void token(const TokenCommand &command);
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    void flush();
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    void synchronizeWithClientProcess();
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    qint64 bytesToWrite() const;
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protected:
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    void initializeSocket();
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    void writeCommand(const QVariant &command);
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    void dispatchCommand(const QVariant &command);
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    NodeInstanceServerInterface *nodeInstanceServer() const;
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    void setNodeInstanceServer(NodeInstanceServerInterface *nodeInstanceServer);
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    void createInstances(const CreateInstancesCommand &command);
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    void changeFileUrl(const ChangeFileUrlCommand &command);
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    void createScene(const CreateSceneCommand &command);
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    void clearScene(const ClearSceneCommand &command);
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    void removeInstances(const RemoveInstancesCommand &command);
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    void removeProperties(const RemovePropertiesCommand &command);
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    void changePropertyBindings(const ChangeBindingsCommand &command);
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    void changePropertyValues(const ChangeValuesCommand &command);
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    void changeAuxiliaryValues(const ChangeAuxiliaryCommand &command);
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    void reparentInstances(const ReparentInstancesCommand &command);
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    void changeIds(const ChangeIdsCommand &command);
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    void changeState(const ChangeStateCommand &command);
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    void completeComponent(const CompleteComponentCommand &command);
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    void changeNodeSource(const ChangeNodeSourceCommand &command);
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    void redirectToken(const TokenCommand &command);
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private slots:
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    void readDataStream();
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private:
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    QLocalSocket *m_socket;
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    NodeInstanceServerInterface *m_nodeInstanceServer;
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    quint32 m_blockSize;
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    quint32 m_writeCommandCounter;
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    quint32 m_lastReadCommandCounter;
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    int m_synchronizeId;
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};
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} // namespace QmlDesigner
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#endif // NODEINSTANCECLIENTPROXY_H
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