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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2009-2019 Pierre Ossman for Cendio AB
*
* 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.
*/
//
// CMsgReader - class for reading RFB messages on the server side
// (i.e. messages from client to server).
//
#ifndef __RFB_CMSGREADER_H__
#define __RFB_CMSGREADER_H__
#include <stdint.h>
#include <rfb/Rect.h>
#include <rfb/encodings.h>
namespace rdr { class InStream; }
namespace rfb {
class CMsgHandler;
struct Rect;
class CMsgReader {
public:
CMsgReader(CMsgHandler* handler, rdr::InStream* is);
virtual ~CMsgReader();
bool readServerInit();
// readMsg() reads a message, calling the handler as appropriate.
bool readMsg();
rdr::InStream* getInStream() { return is; }
int imageBufIdealSize;
protected:
bool readSetColourMapEntries();
bool readBell();
bool readServerCutText();
bool readExtendedClipboard(int32_t len);
bool readFence();
bool readEndOfContinuousUpdates();
bool readFramebufferUpdate();
bool readRect(const Rect& r, int encoding);
bool readSetXCursor(int width, int height, const Point& hotspot);
bool readSetCursor(int width, int height, const Point& hotspot);
bool readSetCursorWithAlpha(int width, int height, const Point& hotspot);
bool readSetVMwareCursor(int width, int height, const Point& hotspot);
bool readSetDesktopName(int x, int y, int w, int h);
bool readExtendedDesktopSize(int x, int y, int w, int h);
bool readLEDState();
bool readVMwareLEDState();
private:
CMsgHandler* handler;
rdr::InStream* is;
enum stateEnum {
MSGSTATE_IDLE,
MSGSTATE_MESSAGE,
MSGSTATE_RECT_HEADER,
MSGSTATE_RECT_DATA,
};
stateEnum state;
uint8_t currentMsgType;
int nUpdateRectsLeft;
Rect dataRect;
int rectEncoding;
int cursorEncoding;
static const int maxCursorSize = 256;
};
}
#endif
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