/*
	File:		ClickMove.cpp

	Contains:	If the document is in full screen mode then a single click will advance
						the page and a double click will step back through pages.

	Written by:	Mark Gavin
							Appligent, Inc.
							22 East Baltimore Avenue
							Lansdowne, PA 19050
							( 610 ) 284-4006

	Copyright:	©1997-2007 by Appligent, Inc.

	Change History (most recent first):


*/

#include "CorCalls.h"
#include "AVCalls.h"
#include "PDCalls.h"
#include "CosCalls.h"
#include "ASCalls.h"

#if MAC_PLATFORM

#include "SafeResources.h"

#include "PIQuickdraw.h"
#include "MacCalls.h"
#include "stdio.h"
#include "string.h"
#include "Types.h"

#endif // MAC_PLATFORM

#if WIN_ENV
#include "resource.h"
extern HINSTANCE gHINSTANCE ;
#endif

#include "TASUtils.h"
#include "TAVUtils.h"

// --------------------------
// Display the About box for the ClickMove plug-in

static ACCB1 void ACCB2 DoAboutClickMove( void * data )
	{

		TAVUtils::SimpleAlert( 27336 ) ;
		
		return ;

	}	// end DoAboutClickMove

// --------------------------

static ACCB1 ASBool ACCB2 DoAVPageViewClickProc ( AVPageView inAVPageView, ASInt16 x, ASInt16 y, 
																									ASInt16 inFlags, ASInt16 inClickNumber, void * data )
	{
		AVDoc					theAVDoc ;
		PDDoc					thePDDoc ;
		ASInt32				thePageNumber ;
		ASInt32				theTotalPages ;
		ASBool				bResult ;
		
		if ( inAVPageView == NULL )
			return false ;
		
		DURING
		
			bResult = AVAppDoingFullScreen() ;
			if ( bResult == false )
				E_RETURN( false ) ;
				
			thePageNumber = AVPageViewGetPageNum ( inAVPageView ) ;
			
			theAVDoc = AVPageViewGetAVDoc ( inAVPageView ) ;
			thePDDoc = AVDocGetPDDoc( theAVDoc ) ;
			
			theTotalPages = PDDocGetNumPages ( thePDDoc ) ;
			
			switch ( inClickNumber )
				{
					case 1 :
						if ( inFlags & AV_SHIFT )
							AVPageViewGoForward ( inAVPageView ) ;
						else
							{
								if ( thePageNumber + 1 == theTotalPages )
									thePageNumber = 0 ;
								else
									thePageNumber += 1 ;
								AVPageViewGoTo ( inAVPageView, thePageNumber ) ;
							}
						E_RETURN( true ) ;
						break ;
			
					case 2 :
						if ( inFlags & AV_SHIFT )
							AVPageViewGoBack ( inAVPageView ) ;
						else
							{
								if ( thePageNumber == 0 )
									thePageNumber = theTotalPages - 1 ;
								else
									thePageNumber -= 1 ;
								AVPageViewGoTo ( inAVPageView, thePageNumber ) ;
							}
						E_RETURN( true ) ;
						break ;
						
					case 3 :
						if ( inFlags & AV_SHIFT )
							AVPageViewGoTo ( inAVPageView, 0 ) ;
						else
							AVPageViewGoTo ( inAVPageView, theTotalPages - 1 ) ;
						E_RETURN( true ) ;
						break ;

				} // end switch

		HANDLER
			TASUtils::DisplayErrorAlert( ERRORCODE ) ;
		END_HANDLER
	
		return false ;
		
	}	// end DoAVPageViewClickProc

// -------------------------
#pragma mark -- init
// -------------------------

static ACCB1 boolean ACCB2 InitPlugInMenus( void )
	{
		AVMenubar			theAVMenubar ;
		
		DURING
		
			theAVMenubar	= AVAppGetMenubar() ;		// get the main menu
			if ( ! theAVMenubar ) 
				E_RETURN( false ) ;
				
			TAVUtils::AppendToAboutMenu( "ClickMove...", "DGAP:DoAboutClickMove", &DoAboutClickMove ) ;
			
		HANDLER
			TASUtils::DisplayErrorAlert( ERRORCODE ) ;
		END_HANDLER
		
		return true ;
		
	}	// end InitPlugInMenus

// -------------------------

static ACCB1 boolean ACCB2 InitPlugIn( void )
	{
		boolean		theResult ;
		
		theResult = InitPlugInMenus() ;
		if ( theResult == false )
			return theResult ;
			
		return theResult ;
		
	}	// end InitPlugIn

// -------------------------

static ACCB1 boolean ACCB2 UnloadPlugIn( void )
	{
		return true ;
		
	}	// end UnloadPlugIn

// -------------------------
//	This is the pre-initialization routine for the plug-in.
//	The pre-initialization routine is installed in PIHandshake().  Use the
//	pre-initialization routine to register for any event notifications.
//	This is important in this particular plug-in since the main
//	initialization function itself causes events to occur.  Since this
//	plug-in counts various events, we don't want to miss out on any of the action.

static ACCB1 boolean ACCB2 PreInitPlugIn( void )
	{

		AVAppRegisterForPageViewClicks ( ASCallbackCreateProto( AVPageViewClickProc, ( void * )DoAVPageViewClickProc ), NULL ) ;

		return true ;
		
	}	// end PreInitPlugIn

// -------------------------

ACCB1 boolean ACCB2 PIHandshake( Uns32 handshakeVersion, void *handshakeData )
	{
		if ( handshakeVersion == HANDSHAKE_V0200 )
			{
				PIHandshakeData_V0200 *hsData = ( PIHandshakeData_V0200 * )handshakeData ;
		
				hsData->extensionName = ASAtomFromString( "DGAP:ClickMove" ) ;	
		
				hsData->exportHFTsCallback = NULL ;
				
				hsData->importReplaceAndRegisterCallback = ASCallbackCreateProto( PIImportReplaceAndRegisterProcType, ( void * )PreInitPlugIn ) ;
				
				hsData->initCallback = ASCallbackCreateProto( PIInitProcType, ( void * )InitPlugIn ) ;
			
				hsData->unloadCallback = ASCallbackCreateProto( PIUnloadProcType, ( void * )UnloadPlugIn ) ;
		
				return true ;
			}
		
		return false ;
		
	}	// end PIHandshake


// -------------------------