#ifndef B4_CAR_INCLUDED
	#define B4_CAR_INCLUDED

#include <bncs_script_helper.h>

#ifdef WIN32
	#ifdef DOEXPORT_SCRIPT
		#define EXPORT_SCRIPT __declspec(dllexport) 
	#else
		#define EXPORT_SCRIPT 
	#endif
#else 
	#define EXPORT_SCRIPT
#endif
 
class CAR_B4 : public bncs_script_helper
{
public:
	CAR_B4( bncs_client_callback * parent, const char* path );
	virtual ~CAR_B4();

	void buttonCallback( buttonNotify *b );
	int revertiveCallback( revertiveNotify * r );
	void databaseCallback( revertiveNotify * r );
	bncs_string parentCallback( parentNotify *p );
	void timerCallback( int );
	
private:
	bncs_string destvideo_id;			// Used when fetching video and audio crosspoints from the destination buttons
	bncs_string destaudio_id;
	
	int package_names_id;			// BNCS driver id for package names
	int package_xpts_id;			// BNCS driver id for package crosspoint lists.
	int video_id;					// BNCS driver id for SDI router
	int audio_id;					// BNCS driver id for audio router
	int dest_btn;					// ID for active destination button. 0 means no selection
	int source_pkg;
	int dest_pkg;
	int take_count;
	int dest_vid[5];				// Holds the video crosspoint numbers for the 4 destinations (ignore index 0)
	int dest_aud[5];				// Holds the audio crosspoint numbers for the 4 destinations (ignore index 0)
	int current_vid_src[5];			// Holds the current video source for each of the 4 destinations (ignore index 0)
	int current_aud_src[5];			// Holds the current audio source for each of the 4 destinations (ignore index 0
	int undo_video_source;			// Holds the video source crosspoint for undo operation
	int undo_audio_source;			// Holds the audio source crosspoint for undo operation
	int undo_video_dest;			// Holds the video destination crosspoint for undo operation
	int undo_audio_dest;			// Holds the audio destination crosspoint for undo operation

	bool video_enabled;				// Flag to show if video layer routeing is enabled
	bool audio_enabled;				// Flag to show if audio layer routeing is enabled
	bool take_enabled;				// Set true if the TAKE button is enabled
	bool take_timeout_enabled;		// Set true if the TAKE timer is active
	bool undo_enabled;				// Set true if the UNDO button is enabled

	// Local methods
	void extract_xpts(int pkg_id, int database, int *viddest, int *auddest);
	void clear_selections(void);
	void check_take_enable(void);
	void do_Take(void);
	void do_Undo(void);
	void clear_undo(void);
};


#endif // B4_CAR_INCLUDED