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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
/* */
/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#ifndef CorePoller_H
#define CorePoller_H
#include <stdio.h>
#include "Logger.h"
#include "Regions.h"
#include "Input.h"
typedef enum{
LINE_HAS_CHANGED,
LINE_NOT_CHECKED,
LINE_NOT_CHANGED
} LineStatus;
typedef enum{
HIGHEST_PRIORITY = 0,
PRIORITY = 30,
NOT_PRIORITY = 90
} LinePriority;
class CorePoller
{
public:
CorePoller(Input*, Display*);
virtual ~CorePoller();
virtual int init();
unsigned int width() const;
unsigned int height() const;
unsigned char depth() const;
int isChanged(int (*)(void*), void *, int *);
char *getFrameBuffer() const;
void destroyFrameBuffer();
void createFrameBuffer();
Region lastUpdatedRegion();
Region getLastUpdatedRegion();
void handleInput();
void handleEvent(Display *, XEvent *);
Display *getShadowDisplay();
void setShadowDisplay(Display *shadowDisplay);
protected:
unsigned int bpp_;
unsigned int bpl_;
unsigned int width_;
unsigned int height_;
int depth_;
char *buffer_;
unsigned long redMask_;
unsigned long greenMask_;
unsigned long blueMask_;
unsigned long colorMask_[3];
char mirror_;
char mirrorChanges_;
virtual int updateShadowFrameBuffer(void) = 0;
virtual char *getRect(XRectangle r) = 0;
int imageByteOrder_;
#ifdef __CYGWIN32__
virtual char checkDesktop(void) = 0;
#endif
Display *shadowDisplay_;
void update(char *src, XRectangle r);
Region lastUpdatedRegion_;
private:
virtual void handleKeyboardEvent(Display *, XEvent *) = 0;
virtual void handleMouseEvent(Display *, XEvent *) = 0;
Input *input_;
static const int maxSliceHeight_;
static const int minSliceHeight_;
LineStatus *lineStatus_;
int *linePriority_;
static const char interlace_[];
int *lefts_;
int *rights_;
// FIXME: Make them friend.
int differ(char *src, XRectangle r);
};
inline unsigned int CorePoller::width() const
{
return width_;
}
inline unsigned int CorePoller::height() const
{
return height_;
}
inline unsigned char CorePoller::depth() const
{
return depth_;
}
inline char *CorePoller::getFrameBuffer() const
{
return buffer_;
}
inline void CorePoller::destroyFrameBuffer()
{
if (buffer_ != NULL)
{
delete[] buffer_;
buffer_ = NULL;
}
}
inline Region CorePoller::lastUpdatedRegion()
{
Region region = lastUpdatedRegion_;
lastUpdatedRegion_ = XCreateRegion();
if (lastUpdatedRegion_ == NULL)
{
logError("CorePoller::lastUpdatedRegion", ESET(ENOMEM));
lastUpdatedRegion_ = region;
return NULL;
}
return region;
}
inline Region CorePoller::getLastUpdatedRegion()
{
return lastUpdatedRegion_;
}
inline Display *CorePoller::getShadowDisplay()
{
return shadowDisplay_ ;
}
inline void CorePoller::setShadowDisplay(Display *shadowDisplay)
{
shadowDisplay_ = shadowDisplay;
}
#endif /* CorePoller_H */
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