napipriv.h

CD_高级PALM编程

/********************************************************************
* FILE:				WWWpriv.h
*
* DESCRIPTION:	INetLib Wrapper Private definitions Header
*
* VERSION:		1.0
**********************************************************************/

typedef enum {MESG_GET = 1, MESG_SET, MESG_INVALID} Mesg;

typedef struct
{
    UInt16  inetRefNum;
    Handle  inetHan;
    Handle  inetSockH;
    UInt32  downloadSize;
    UInt32  requestSize;
    UInt32  inetLowConvAlgorithm;
    UInt32  includeHeaders;
} INetLowInfoType;

typedef INetLowInfoType* INetLowInfoPtr;


#define wwwCreatorID ( 'PAKA' )
#define	wwwPrefsVersion ((Int16) 1)
#define wwwPrefsID		((UInt16) 0)

// Config Dialog options.
//   List items for Connect Via choice
#define wwwConfigWireless ( 0 )
#define wwwConfigWireline ( 1 )

// Progress stuff
#define	NUM_ICONS		( 4 )
#define	FORWARDS		( 1 )
#define	BACKWARDS		( -1 )

#define	DIALOG_MSG_X	( 50 )
#define	DIALOG_MSG_Y	( 20 )
#define	DIALOG_PIC_X	( 10 )
#define	DIALOG_PIC_Y	( 20 )
#define DIALOG_WIN_X	( 130 )
#define DIALOG_WIN_Y	( 20 )
#define ticksPerIcon	( 5 )

#define MAX_RESPONSE_SIZE ( 4096 )
#define wwwContentTimeoutSecs ( 30 )
#define wwwContentTimeoutTicks ( 5 )
#define wwwContentEvtWaitTicks ( 30 )

// Connection type enum
typedef enum _WWWConnectionType
{
	wwwConnectionINetLib = 1
} WWWConnectionType;

// Status enum. 
typedef enum _WWWStatusEnum
{
	wwwStatusNone = 0,
	wwwStatusOpening, 
	wwwStatusConnecting, 
	wwwStatusDownloading, 
	wwwStatusCompleted, 
	wwwStatusError 
} WWWStatusEnum;

// Our prefs
typedef struct _WWWPrefs
{
	UInt16 version;
	UInt16 inetConfigIndex;
	UInt32 inetCompression;

} WWWPrefsType, *WWWPrefsTypePtr;

// Our state information
struct _WWWinstance
{
	WWWConnectionType conType;

	INetLowInfoType inetInfo;
	WWWPrefsType prefs;

	UInt32 progressThenTicks;
	
	FormPtr saveFrmP;
	
	MemHandle contentHandle;
	UInt8 *contentP;
	UInt32 contentSz;
	
	Boolean socketReadyToRead;
	WWWStatusEnum socketStatus;
};


Err INetStart(void);
Err INetInit(UInt16  libRefNum, Handle* inetHP);
Err INetInfo(INetLowInfoPtr  inetInfoP, Mesg         message);
Err INetGo(CharPtr urlP, CharPtr dataP, Int32   timeout);
Boolean INetConnectionEventHandler(	INetEventType 	*eventP );
void INGetEvent( EventType *eventP, Int32 timeout );
Err INetSubTask( void );
Err INetEndTransaction(void);
Err INetEnd(void);

static Boolean WWWAntennaDialogFormHandler
(
	EventPtr eventP		// Pointer to an EventType that contains the event to handle
);
Boolean WWWUseWireline( void );
void WWWDisplayConnectionDialogMsg( Char * );
void WWWSetSocketStatus( WWWStatusEnum status );
void WWWSetSocketReady(	Boolean isReady	);
Boolean WWWIsSocketReady( void );
MemHandle WWWGetContentHandle( void );
void WWWSetContentSize( UInt32 newSz );
UInt32 WWWGetContentSize( void );
Boolean WWWIsSocketReady( void );
Err WWWOpen( void );
Err WWWClose( void );
void INetShowIndicator(void);
void	WWWShowIndicator( void );
void	WWWHideIndicator( void );
void INetHideIndicator(void);