msgreader.h

vncviewer_source_1.0

/* Copyright (C) 2006 Lucas Gomez  All Rights Reserved.
 * 
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This software 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 General Public License
 * along with this software; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
 * USA.
 */

#ifndef __MSGREADER_H__
#define __MSGREADER_H__

// INCLUDES
#include <e32base.h>
#include <e32std.h>

#include "Decoder.h"

// ENUMERATIONS

// CONSTANTES

// CLASS DECLARATION

/**
* CMsgReader application class.
*/
class CMsgReader
{
public: // Constructors and destructor

    /**
    * ~CMsgReader
    * Virtual Destructor.
    */
    virtual ~CMsgReader();

protected: // Constructors
	CMsgReader(CMsgHandler* aHandler,InStream* aIS);
    
public:	// class methods
	virtual void ReadServerInit()=0;
	
    virtual void ReadMsg()=0;
    
    inline InStream* GetInStream() {return iIS;}
    
    void GetImageBuf(TInt aRequired,TInt aRequested,RBuf8& aBuf);
    
    inline TInt GetBpp() {return iHandler->GetCP()->GetPF()->GetBpp();}
    
protected:
	void ReadSetColourMapEntries();
	
	void ReadBell();
	
	void ReadServerCutText();
	
	void EndMsg();
	
	void ReadFramebufferUpdateStart();
	
	void ReadFramebufferUpdateEnd();
	
	void ReadRect(TInt aX,TInt aY,TInt aW,TInt aH,TEncodings aEncoding);
	
	void ReadCopyRect(TInt aX,TInt aY,TInt aW,TInt aH);
	
	void ReadSetCursor(TInt aHotspotX,TInt aHotspotY,TInt aW,TInt aH);
	
    
protected:	// member variables
	CMsgHandler* iHandler;
	
	InStream* iIS;
	
	RArray<MDecoder*> iDecoders;
	
	TInt iImageBufSize;
	TInt iImageBufIdealSize;
	RBuf8 iImageBuf;
};

class CMsgReaderV3 : public CMsgReader
{
public: // Constructors and destructor

    /**
    * ~CMsgReaderV3
    * Virtual Destructor.
    */
    virtual ~CMsgReaderV3();

public: // Constructors
	CMsgReaderV3(CMsgHandler* aHandler,InStream* aIS);
    
public:	// class methods
	void ReadServerInit();
	
    void ReadMsg();
	
	void ReadFramebufferUpdate();
    
private:	// member variables
	TInt iNUpdateRectsLeft;
};

#endif // __MSGREADER_H__