/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"

#include <unistd.h>
#include <sys/stat.h>
#include <sys/wait.h>

#include "vcl/svapp.hxx"
#include "vcl/timer.hxx"
#include "vcl/printerinfomanager.hxx"

#include "jobset.h"
#include "print.h"
#include "salptype.hxx"

#include "svpprn.hxx"
#include "svppspgraphics.hxx"
#include "svpinst.hxx"

using namespace psp;
using namespace rtl;

/*
 *	static helpers
 */

static String getPdfDir( const PrinterInfo& rInfo )
{
	String aDir;
    sal_Int32 nIndex = 0;
    while( nIndex != -1 )
	{
		OUString aToken( rInfo.m_aFeatures.getToken( 0, ',', nIndex ) );
		if( ! aToken.compareToAscii( "pdf=", 4 ) )
		{
            sal_Int32 nPos = 0;
			aDir = aToken.getToken( 1, '=', nPos );
			if( ! aDir.Len() )
				aDir = String( ByteString( getenv( "HOME" ) ), osl_getThreadTextEncoding() );
			break;
		}
	}
	return aDir;
}

inline int PtTo10Mu( int nPoints ) { return (int)((((double)nPoints)*35.27777778)+0.5); }

inline int TenMuToPt( int nUnits ) { return (int)((((double)nUnits)/35.27777778)+0.5); }

static void copyJobDataToJobSetup( ImplJobSetup* pJobSetup, JobData& rData )
{
	pJobSetup->meOrientation	= (Orientation)(rData.m_eOrientation == orientation::Landscape ? ORIENTATION_LANDSCAPE : ORIENTATION_PORTRAIT);

	// copy page size
	String aPaper;
	int width, height;

	rData.m_aContext.getPageSize( aPaper, width, height );
	pJobSetup->mePaperFormat	= PaperInfo::fromPSName(OUStringToOString( aPaper, RTL_TEXTENCODING_ISO_8859_1 ));
	pJobSetup->mnPaperWidth		= 0;
	pJobSetup->mnPaperHeight	= 0;
	if( pJobSetup->mePaperFormat == PAPER_USER )
	{
		// transform to 100dth mm
		width				= PtTo10Mu( width );
		height				= PtTo10Mu( height );

        if( rData.m_eOrientation == psp::orientation::Portrait )
        {
            pJobSetup->mnPaperWidth	= width;
            pJobSetup->mnPaperHeight= height;
        }
        else
        {
            pJobSetup->mnPaperWidth	= height;
            pJobSetup->mnPaperHeight= width;
        }
	}

	// copy input slot
	const PPDKey* pKey = NULL;
	const PPDValue* pValue = NULL;

    pJobSetup->mnPaperBin = 0xffff;
    if( rData.m_pParser )
	    pKey					= rData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "InputSlot" ) ) );
    if( pKey )
        pValue					= rData.m_aContext.getValue( pKey );
    if( pKey && pValue )
    {
        for( pJobSetup->mnPaperBin = 0;
             pValue != pKey->getValue( pJobSetup->mnPaperBin ) &&
                 pJobSetup->mnPaperBin < pKey->countValues();
             pJobSetup->mnPaperBin++ )
            ;
        if( pJobSetup->mnPaperBin >= pKey->countValues() || pValue == pKey->getDefaultValue() )
            pJobSetup->mnPaperBin = 0xffff;
    }

    // copy duplex
    pKey = NULL;
    pValue = NULL;
	
    pJobSetup->meDuplexMode = DUPLEX_UNKNOWN;
    if( rData.m_pParser )
        pKey = rData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "Duplex" ) ) );
    if( pKey )
        pValue = rData.m_aContext.getValue( pKey );
    if( pKey && pValue )
    {
        if( pValue->m_aOption.EqualsIgnoreCaseAscii( "None" ) ||
            pValue->m_aOption.EqualsIgnoreCaseAscii( "Simplex", 0, 7 )
           )
        {
            pJobSetup->meDuplexMode = DUPLEX_OFF;
        }
        else if( pValue->m_aOption.EqualsIgnoreCaseAscii( "DuplexNoTumble" ) )
        {
            pJobSetup->meDuplexMode = DUPLEX_LONGEDGE;
        }
        else if( pValue->m_aOption.EqualsIgnoreCaseAscii( "DuplexTumble" ) )
        {
            pJobSetup->meDuplexMode = DUPLEX_SHORTEDGE;
        }
    }

	// copy the whole context
	if( pJobSetup->mpDriverData )
		rtl_freeMemory( pJobSetup->mpDriverData );

	int nBytes;
	void* pBuffer = NULL;
	if( rData.getStreamBuffer( pBuffer, nBytes ) )
	{
		pJobSetup->mnDriverDataLen = nBytes;
		pJobSetup->mpDriverData = (sal_uInt8*)pBuffer;
	}
	else
	{
		pJobSetup->mnDriverDataLen = 0;
		pJobSetup->mpDriverData = NULL;
	}
}

static bool passFileToCommandLine( const String& rFilename, const String& rCommandLine, bool bRemoveFile = true )
{
	bool bSuccess = false;

	rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
	ByteString aCmdLine( rCommandLine, aEncoding );
	ByteString aFilename( rFilename, aEncoding );

	bool bPipe = aCmdLine.Search( "(TMP)" ) != STRING_NOTFOUND ? false : true;

	// setup command line for exec
	if( ! bPipe )
		while( aCmdLine.SearchAndReplace( "(TMP)", aFilename ) != STRING_NOTFOUND )
			;

#if OSL_DEBUG_LEVEL > 1
	fprintf( stderr, "%s commandline: \"%s\"\n",
			 bPipe ? "piping to" : "executing",
			 aCmdLine.GetBuffer() );
    struct stat aStat;
    if( stat( aFilename.GetBuffer(), &aStat ) )
        fprintf( stderr, "stat( %s ) failed\n", aFilename.GetBuffer() );
    fprintf( stderr, "Tmp file %s has modes: 0%03lo\n", aFilename.GetBuffer(), (long)aStat.st_mode );
#endif
	const char* argv[4];
	if( ! ( argv[ 0 ] = getenv( "SHELL" ) ) )
		argv[ 0 ] = "/bin/sh";
	argv[ 1 ] = "-c";
	argv[ 2 ] = aCmdLine.GetBuffer();
	argv[ 3 ] = 0;

	bool bHavePipes = false;
	int pid, fd[2];

	if( bPipe )
		bHavePipes = pipe( fd ) ? false : true;
	if( ( pid = fork() ) > 0 )
	{
		if( bPipe && bHavePipes )
		{
			close( fd[0] );
			char aBuffer[ 2048 ];
			FILE* fp = fopen( aFilename.GetBuffer(), "r" );
			while( fp && ! feof( fp ) )
			{
				int nBytes = fread( aBuffer, 1, sizeof( aBuffer ), fp );
				if( nBytes )
					write( fd[ 1 ], aBuffer, nBytes );
			}
			fclose( fp );
			close( fd[ 1 ] );
		}
		int status = 0;
		waitpid( pid, &status, 0 );
		if( ! status )
			bSuccess = true;
	}
	else if( ! pid )
	{
		if( bPipe && bHavePipes )
		{
			close( fd[1] );
			if( fd[0] != STDIN_FILENO ) // not probable, but who knows :)
				dup2( fd[0], STDIN_FILENO );
		}
		execv( argv[0], const_cast<char**>(argv) );
		fprintf( stderr, "failed to execute \"%s\"\n", aCmdLine.GetBuffer() );
		_exit( 1 );
	}
	else
		fprintf( stderr, "failed to fork\n" );

	// clean up the mess
    if( bRemoveFile )
        unlink( aFilename.GetBuffer() );

	return bSuccess;
}

static bool sendAFax( const String& rFaxNumber, const String& rFileName, const String& rCommand )
{
    std::list< OUString > aFaxNumbers;

	if( ! rFaxNumber.Len() )
        return false;

    sal_Int32 nIndex = 0;
    OUString aFaxes( rFaxNumber );
    OUString aBeginToken( RTL_CONSTASCII_USTRINGPARAM("<Fax#>") );
    OUString aEndToken( RTL_CONSTASCII_USTRINGPARAM("</Fax#>") );
    while( nIndex != -1 )
    {
        nIndex = aFaxes.indexOf( aBeginToken, nIndex );
        if( nIndex != -1 )
        {
            sal_Int32 nBegin = nIndex + aBeginToken.getLength();
            nIndex = aFaxes.indexOf( aEndToken, nIndex );
            if( nIndex != -1 )
            {
                aFaxNumbers.push_back( aFaxes.copy( nBegin, nIndex-nBegin ) );
                nIndex += aEndToken.getLength();
            }
        }
    }

    bool bSuccess = true;
    if( aFaxNumbers.begin() != aFaxNumbers.end() )
	{
        while( aFaxNumbers.begin() != aFaxNumbers.end() && bSuccess )
        {
            String aCmdLine( rCommand );
            String aFaxNumber( aFaxNumbers.front() );
            aFaxNumbers.pop_front();
            while( aCmdLine.SearchAndReplace( String( RTL_CONSTASCII_USTRINGPARAM( "(PHONE)" ) ), aFaxNumber ) != STRING_NOTFOUND )
                ;
#if OSL_DEBUG_LEVEL > 1
            fprintf( stderr, "sending fax to \"%s\"\n", OUStringToOString( aFaxNumber, osl_getThreadTextEncoding() ).getStr() );
#endif
            bSuccess = passFileToCommandLine( rFileName, aCmdLine, false );
        }
	}
    else
        bSuccess = false;

    // clean up temp file
    unlink( ByteString( rFileName, osl_getThreadTextEncoding() ).GetBuffer() );

    return bSuccess;
}

static bool createPdf( const String& rToFile, const String& rFromFile, const String& rCommandLine )
{
	String aCommandLine( rCommandLine );
	while( aCommandLine.SearchAndReplace( String( RTL_CONSTASCII_USTRINGPARAM( "(OUTFILE)" ) ), rToFile ) != STRING_NOTFOUND )
		;
	return passFileToCommandLine( rFromFile, aCommandLine );
}

/*
 *	SalInstance
 */

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

SalInfoPrinter* SvpSalInstance::CreateInfoPrinter( SalPrinterQueueInfo*	pQueueInfo,
                                                   ImplJobSetup*			pJobSetup )
{
	// create and initialize SalInfoPrinter
	PspSalInfoPrinter* pPrinter = new PspSalInfoPrinter;

	if( pJobSetup )
	{
		PrinterInfoManager& rManager( PrinterInfoManager::get() );
		PrinterInfo aInfo( rManager.getPrinterInfo( pQueueInfo->maPrinterName ) );
		pPrinter->m_aJobData = aInfo;
		pPrinter->m_aPrinterGfx.Init( pPrinter->m_aJobData );

		if( pJobSetup->mpDriverData )
			JobData::constructFromStreamBuffer( pJobSetup->mpDriverData, pJobSetup->mnDriverDataLen, aInfo );

		pJobSetup->mnSystem			= JOBSETUP_SYSTEM_UNIX;
		pJobSetup->maPrinterName	= pQueueInfo->maPrinterName;
		pJobSetup->maDriver			= aInfo.m_aDriverName;
		copyJobDataToJobSetup( pJobSetup, aInfo );

        // set/clear backwards compatibility flag
        bool bStrictSO52Compatibility = false;
        std::hash_map<rtl::OUString, rtl::OUString, rtl::OUStringHash >::const_iterator compat_it =
            pJobSetup->maValueMap.find( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "StrictSO52Compatibility" ) ) );
        if( compat_it != pJobSetup->maValueMap.end() )
        {
            if( compat_it->second.equalsIgnoreAsciiCaseAscii( "true" ) )
                bStrictSO52Compatibility = true;
        }
        pPrinter->m_aPrinterGfx.setStrictSO52Compatibility( bStrictSO52Compatibility );
	}


	return pPrinter;
}

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

void SvpSalInstance::DestroyInfoPrinter( SalInfoPrinter* pPrinter )
{
	delete pPrinter;
}

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

SalPrinter* SvpSalInstance::CreatePrinter( SalInfoPrinter* pInfoPrinter )
{
	// create and initialize SalPrinter
	PspSalPrinter* pPrinter = new PspSalPrinter( pInfoPrinter );
	pPrinter->m_aJobData = static_cast<PspSalInfoPrinter*>(pInfoPrinter)->m_aJobData;

	return pPrinter;
}

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

void SvpSalInstance::DestroyPrinter( SalPrinter* pPrinter )
{
	delete pPrinter;
}

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

void SvpSalInstance::GetPrinterQueueInfo( ImplPrnQueueList* pList )
{
	PrinterInfoManager& rManager( PrinterInfoManager::get() );
    static const char* pNoSyncDetection = getenv( "SAL_DISABLE_SYNCHRONOUS_PRINTER_DETECTION" );
    if( ! pNoSyncDetection || ! *pNoSyncDetection )
    {
        // #i62663# synchronize possible asynchronouse printer detection now
        rManager.checkPrintersChanged( true );
    }
	::std::list< OUString > aPrinters;
	rManager.listPrinters( aPrinters );

	for( ::std::list< OUString >::iterator it = aPrinters.begin(); it != aPrinters.end(); ++it )
	{
		const PrinterInfo& rInfo( rManager.getPrinterInfo( *it ) );
		// Neuen Eintrag anlegen
		SalPrinterQueueInfo* pInfo = new SalPrinterQueueInfo;
		pInfo->maPrinterName	= *it;
		pInfo->maDriver			= rInfo.m_aDriverName;
		pInfo->maLocation		= rInfo.m_aLocation;
		pInfo->maComment      	= rInfo.m_aComment;
		pInfo->mpSysData		= NULL;

        sal_Int32 nIndex = 0;
        while( nIndex != -1 )
		{
			String aToken( rInfo.m_aFeatures.getToken( 0, ',', nIndex ) );
			if( aToken.CompareToAscii( "pdf=", 4 ) == COMPARE_EQUAL )
			{
				pInfo->maLocation = getPdfDir( rInfo );
				break;
			}
		}

		pList->Add( pInfo );
	}
}

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

void SvpSalInstance::DeletePrinterQueueInfo( SalPrinterQueueInfo* pInfo )
{
	delete pInfo;
}

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

void SvpSalInstance::GetPrinterQueueState( SalPrinterQueueInfo* )
{
}

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

String SvpSalInstance::GetDefaultPrinter()
{
	PrinterInfoManager& rManager( PrinterInfoManager::get() );
	return rManager.getDefaultPrinter();
}

// =======================================================================

PspSalInfoPrinter::PspSalInfoPrinter()
{
	m_pGraphics = NULL;
    m_bPapersInit = false;
}

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

PspSalInfoPrinter::~PspSalInfoPrinter()
{
	if( m_pGraphics )
	{
		delete m_pGraphics;
		m_pGraphics = NULL;
	}
}

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

void PspSalInfoPrinter::InitPaperFormats( const ImplJobSetup* )
{
    m_aPaperFormats.clear();
    m_bPapersInit = true;

    if( m_aJobData.m_pParser )
    {
        const PPDKey* pKey = m_aJobData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "PageSize" ) ) );
        if( pKey )
        {
            int nValues = pKey->countValues();
            for( int i = 0; i < nValues; i++ )
            {
                const PPDValue* pValue = pKey->getValue( i );
                int nWidth = 0, nHeight = 0;
                m_aJobData.m_pParser->getPaperDimension( pValue->m_aOption, nWidth, nHeight );
                PaperInfo aInfo(PtTo10Mu( nWidth ), PtTo10Mu( nHeight ));
                m_aPaperFormats.push_back( aInfo );
            }
        }
    }
}

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

int PspSalInfoPrinter::GetLandscapeAngle( const ImplJobSetup* )
{
    return 900;
}

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

SalGraphics* PspSalInfoPrinter::GetGraphics()
{
	// return a valid pointer only once
	// the reasoning behind this is that we could have different
	// SalGraphics that can run in multiple threads
	// (future plans)
	SalGraphics* pRet = NULL;
	if( ! m_pGraphics )
	{
		m_pGraphics = new PspGraphics( &m_aJobData, &m_aPrinterGfx, NULL, false, this );
        m_pGraphics->SetLayout( 0 );
		pRet = m_pGraphics;
	}
	return pRet;
}

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

void PspSalInfoPrinter::ReleaseGraphics( SalGraphics* pGraphics )
{
	if( pGraphics == m_pGraphics )
	{
		delete pGraphics;
		m_pGraphics = NULL;
	}
	return;
}

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

sal_Bool PspSalInfoPrinter::Setup( SalFrame*, ImplJobSetup* )
{
	return sal_False;
}

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

// This function gets the driver data and puts it into pJobSetup
// If pJobSetup->mpDriverData is NOT NULL, then the independend
// data should be merged into the driver data
// If pJobSetup->mpDriverData IS NULL, then the driver defaults
// should be merged into the independent data
sal_Bool PspSalInfoPrinter::SetPrinterData( ImplJobSetup* pJobSetup )
{
	if( pJobSetup->mpDriverData )
		return SetData( ~0, pJobSetup );

	copyJobDataToJobSetup( pJobSetup, m_aJobData );

    // set/clear backwards compatibility flag
    bool bStrictSO52Compatibility = false;
    std::hash_map<rtl::OUString, rtl::OUString, rtl::OUStringHash >::const_iterator compat_it =
        pJobSetup->maValueMap.find( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "StrictSO52Compatibility" ) ) );
    if( compat_it != pJobSetup->maValueMap.end() )
    {
        if( compat_it->second.equalsIgnoreAsciiCaseAscii( "true" ) )
            bStrictSO52Compatibility = true;
    }
    m_aPrinterGfx.setStrictSO52Compatibility( bStrictSO52Compatibility );

	return sal_True;
}

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

// This function merges the independ driver data
// and sets the new independ data in pJobSetup
// Only the data must be changed, where the bit
// in nGetDataFlags is set
sal_Bool PspSalInfoPrinter::SetData(
	sal_uLong nSetDataFlags,
	ImplJobSetup* pJobSetup )
{
	JobData aData;
	JobData::constructFromStreamBuffer( pJobSetup->mpDriverData, pJobSetup->mnDriverDataLen, aData );

	if( aData.m_pParser )
	{
		const PPDKey* pKey;
		const PPDValue* pValue;

		// merge papersize if necessary
		if( nSetDataFlags & SAL_JOBSET_PAPERSIZE )
		{
            int nWidth, nHeight;
            if( pJobSetup->meOrientation == ORIENTATION_PORTRAIT )
            {
                nWidth	= pJobSetup->mnPaperWidth;
                nHeight	= pJobSetup->mnPaperHeight;
            }
            else
            {
                nWidth	= pJobSetup->mnPaperHeight;
                nHeight	= pJobSetup->mnPaperWidth;
            }
			String aPaper;

            if( pJobSetup->mePaperFormat == PAPER_USER )
                aPaper = aData.m_pParser->matchPaper(
                    TenMuToPt( pJobSetup->mnPaperWidth ),
                    TenMuToPt( pJobSetup->mnPaperHeight ) );
            else
				aPaper = rtl::OStringToOUString(PaperInfo::toPSName(pJobSetup->mePaperFormat), RTL_TEXTENCODING_ISO_8859_1);

			pKey = aData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "PageSize" ) ) );
			pValue = pKey ? pKey->getValue( aPaper ) : NULL;
			if( ! ( pKey && pValue && aData.m_aContext.setValue( pKey, pValue, false ) == pValue ) )
				return sal_False;
		}

		// merge paperbin if necessary
		if( nSetDataFlags & SAL_JOBSET_PAPERBIN )
		{
			pKey = aData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "InputSlot" ) ) );
			if( pKey )
			{
				int nPaperBin = pJobSetup->mnPaperBin;
				if( nPaperBin == 0xffff )
					pValue = pKey->getDefaultValue();
				else
                    pValue = pKey->getValue( pJobSetup->mnPaperBin );

                // may fail due to constraints;
                // real paper bin is copied back to jobsetup in that case
				aData.m_aContext.setValue( pKey, pValue );
			}
			// if printer has no InputSlot key simply ignore this setting
			// (e.g. SGENPRT has no InputSlot)
		}

		// merge orientation if necessary
		if( nSetDataFlags & SAL_JOBSET_ORIENTATION )
			aData.m_eOrientation = pJobSetup->meOrientation == ORIENTATION_LANDSCAPE ? orientation::Landscape : orientation::Portrait;
        
        // merge duplex if necessary
        if( nSetDataFlags & SAL_JOBSET_DUPLEXMODE )
        {
            pKey = aData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "Duplex" ) ) );
            if( pKey )
            {
                pValue = NULL;
                switch( pJobSetup->meDuplexMode )
                {
                case DUPLEX_OFF:
                    pValue = pKey->getValue( String( RTL_CONSTASCII_USTRINGPARAM( "None" ) ) );
                    if( pValue == NULL )
                        pValue = pKey->getValue( String( RTL_CONSTASCII_USTRINGPARAM( "SimplexNoTumble" ) ) );
                    break;
                case DUPLEX_SHORTEDGE:
                    pValue = pKey->getValue( String( RTL_CONSTASCII_USTRINGPARAM( "DuplexTumble" ) ) );
                    break;
                case DUPLEX_LONGEDGE:
                    pValue = pKey->getValue( String( RTL_CONSTASCII_USTRINGPARAM( "DuplexNoTumble" ) ) );
                    break;
                case DUPLEX_UNKNOWN:
                default:
                    pValue = 0;
                    break;
                }
                if( ! pValue )
                    pValue = pKey->getDefaultValue();
                aData.m_aContext.setValue( pKey, pValue );
            }
        }

		m_aJobData = aData;
		copyJobDataToJobSetup( pJobSetup, aData );
		return sal_True;
	}

	return sal_False;
}

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

void PspSalInfoPrinter::GetPageInfo(
	const ImplJobSetup* pJobSetup,
	long& rOutWidth, long& rOutHeight,
	long& rPageOffX, long& rPageOffY,
	long& rPageWidth, long& rPageHeight )
{
	if( ! pJobSetup )
		return;

	JobData aData;
	JobData::constructFromStreamBuffer( pJobSetup->mpDriverData, pJobSetup->mnDriverDataLen, aData );

	// get the selected page size
	if( aData.m_pParser )
	{

		String aPaper;
		int width, height;
		int left = 0, top = 0, right = 0, bottom = 0;
		int nDPI = aData.m_aContext.getRenderResolution();


        if( aData.m_eOrientation == psp::orientation::Portrait )
        {
            aData.m_aContext.getPageSize( aPaper, width, height );
            aData.m_pParser->getMargins( aPaper, left, right, top, bottom );
        }
        else
        {
            aData.m_aContext.getPageSize( aPaper, height, width );
            aData.m_pParser->getMargins( aPaper, top, bottom, right, left );
        }

		rPageWidth	= width * nDPI / 72;
		rPageHeight	= height * nDPI / 72;
		rPageOffX	= left * nDPI / 72;
		rPageOffY	= top * nDPI / 72;
		rOutWidth	= ( width  - left - right ) * nDPI / 72;
		rOutHeight	= ( height - top  - bottom ) * nDPI / 72;
	}
}

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

sal_uLong PspSalInfoPrinter::GetPaperBinCount( const ImplJobSetup* pJobSetup )
{
	if( ! pJobSetup )
		return 0;

	JobData aData;
	JobData::constructFromStreamBuffer( pJobSetup->mpDriverData, pJobSetup->mnDriverDataLen, aData );

	const PPDKey* pKey = aData.m_pParser ? aData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "InputSlot" ) ) ): NULL;
    return pKey ? pKey->countValues() : 0;
}

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

String PspSalInfoPrinter::GetPaperBinName( const ImplJobSetup* pJobSetup, sal_uLong nPaperBin )
{
	JobData aData;
	JobData::constructFromStreamBuffer( pJobSetup->mpDriverData, pJobSetup->mnDriverDataLen, aData );

	String aRet;
	if( aData.m_pParser )
	{
		const PPDKey* pKey = aData.m_pParser ? aData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "InputSlot" ) ) ): NULL;
		if( nPaperBin == 0xffff || ! pKey )
			aRet = aData.m_pParser->getDefaultInputSlot();
		else
        {
            const PPDValue* pValue = pKey->getValue( nPaperBin );
            if( pValue )
                aRet = aData.m_pParser->translateOption( pKey->getKey(), pValue->m_aOption );
        }
	}

	return aRet;
}

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

sal_uLong PspSalInfoPrinter::GetCapabilities( const ImplJobSetup* pJobSetup, sal_uInt16 nType )
{
	switch( nType )
	{
		case PRINTER_CAPABILITIES_SUPPORTDIALOG:
			return 1;
		case PRINTER_CAPABILITIES_COPIES:
			return 0xffff;
		case PRINTER_CAPABILITIES_COLLATECOPIES:
        {
            // see if the PPD contains a value to set Collate to True
            JobData aData;
            JobData::constructFromStreamBuffer( pJobSetup->mpDriverData, pJobSetup->mnDriverDataLen, aData );

            const PPDKey* pKey = aData.m_pParser ? aData.m_pParser->getKey( String( RTL_CONSTASCII_USTRINGPARAM( "Collate" ) ) ) : NULL;
            const PPDValue* pVal = pKey ? pKey->getValue( String( RTL_CONSTASCII_USTRINGPARAM( "True" ) ) ) : NULL;

            // PPDs don't mention the number of possible collated copies.
            // so let's guess as many as we want ?
			return pVal ? 0xffff : 0;
        }
		case PRINTER_CAPABILITIES_SETORIENTATION:
			return 1;
		case PRINTER_CAPABILITIES_SETDUPLEX:
			return 1;
		case PRINTER_CAPABILITIES_SETPAPERBIN:
			return 1;
		case PRINTER_CAPABILITIES_SETPAPERSIZE:
			return 1;
		case PRINTER_CAPABILITIES_SETPAPER:
			return 0;
		case PRINTER_CAPABILITIES_FAX:
		{
			PrinterInfoManager& rManager = PrinterInfoManager::get();
			PrinterInfo aInfo( rManager.getPrinterInfo( pJobSetup->maPrinterName ) );
			String aFeatures( aInfo.m_aFeatures );
			int nTokenCount = aFeatures.GetTokenCount( ',' );
			for( int i = 0; i < nTokenCount; i++ )
			{
				if( aFeatures.GetToken( i ).CompareToAscii( "fax", 3 ) == COMPARE_EQUAL )
					return 1;
			}
			return 0;
		}
		case PRINTER_CAPABILITIES_PDF:
		{
			PrinterInfoManager& rManager = PrinterInfoManager::get();
			PrinterInfo aInfo( rManager.getPrinterInfo( pJobSetup->maPrinterName ) );
			String aFeatures( aInfo.m_aFeatures );
			int nTokenCount = aFeatures.GetTokenCount( ',' );
			for( int i = 0; i < nTokenCount; i++ )
			{
				if( aFeatures.GetToken( i ).CompareToAscii( "pdf=", 4 ) == COMPARE_EQUAL )
					return 1;
			}
			return 0;
		}
		default: break;
	};
	return 0;
}

// =======================================================================

/*
 *	SalPrinter
 */

PspSalPrinter::PspSalPrinter( SalInfoPrinter* pInfoPrinter )
 : m_bFax( false ),
   m_bPdf( false ),
   m_bSwallowFaxNo( false ),
   m_pGraphics( NULL ),
   m_nCopies( 1 ),
   m_bCollate( false ),
   m_pInfoPrinter( pInfoPrinter )
{
}

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

PspSalPrinter::~PspSalPrinter()
{
}

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

static String getTmpName()
{
    rtl::OUString aTmp, aSys;
    osl_createTempFile( NULL, NULL, &aTmp.pData );
    osl_getSystemPathFromFileURL( aTmp.pData, &aSys.pData );

    return aSys;
}

sal_Bool PspSalPrinter::StartJob(
	const XubString* pFileName,
	const XubString& rJobName,
	const XubString& rAppName,
	sal_uLong nCopies,
    bool bCollate,
    bool /*bDirect*/,
	ImplJobSetup* pJobSetup )
{
    vcl_sal::PrinterUpdate::jobStarted();

	m_bFax		= false;
	m_bPdf		= false;
	m_aFileName	= pFileName ? *pFileName : String();
	m_aTmpFile	= String();
    m_nCopies   = nCopies;
    m_bCollate  = bCollate;

	JobData::constructFromStreamBuffer( pJobSetup->mpDriverData, pJobSetup->mnDriverDataLen, m_aJobData );
    if( m_nCopies > 1 )
    {
        // in case user did not do anything (m_nCopies=1)
        // take the default from jobsetup
        m_aJobData.m_nCopies = m_nCopies;
        m_aJobData.setCollate( bCollate );
    }

	// check whether this printer is configured as fax
    int nMode = 0;
	const PrinterInfo& rInfo( PrinterInfoManager::get().getPrinterInfo( m_aJobData.m_aPrinterName ) );
    sal_Int32 nIndex = 0;
    while( nIndex != -1 )
	{
		OUString aToken( rInfo.m_aFeatures.getToken( 0, ',', nIndex ) );
		if( ! aToken.compareToAscii( "fax", 3 ) )
		{
			m_bFax = true;
			m_aTmpFile = getTmpName();
            nMode = S_IRUSR | S_IWUSR;

			::std::hash_map< ::rtl::OUString, ::rtl::OUString, ::rtl::OUStringHash >::const_iterator it;
			it = pJobSetup->maValueMap.find( ::rtl::OUString::createFromAscii( "FAX#" ) );
			if( it != pJobSetup->maValueMap.end() )
				m_aFaxNr = it->second;

            sal_Int32 nPos = 0;
			m_bSwallowFaxNo = ! aToken.getToken( 1, '=', nPos ).compareToAscii( "swallow", 7 ) ? true : false;

			break;
		}
		if( ! aToken.compareToAscii( "pdf=", 4 ) )
		{
			m_bPdf = true;
			m_aTmpFile = getTmpName();
            nMode = S_IRUSR | S_IWUSR;

			if( ! m_aFileName.Len() )
			{
				m_aFileName = getPdfDir( rInfo );
				m_aFileName.Append( '/' );
				m_aFileName.Append( rJobName );
				m_aFileName.AppendAscii( ".pdf" );
			}
			break;
		}
	}
	m_aPrinterGfx.Init( m_aJobData );

    // set/clear backwards compatibility flag
    bool bStrictSO52Compatibility = false;
    std::hash_map<rtl::OUString, rtl::OUString, rtl::OUStringHash >::const_iterator compat_it =
        pJobSetup->maValueMap.find( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "StrictSO52Compatibility" ) ) );
    if( compat_it != pJobSetup->maValueMap.end() )
    {
        if( compat_it->second.equalsIgnoreAsciiCaseAscii( "true" ) )
            bStrictSO52Compatibility = true;
    }
    m_aPrinterGfx.setStrictSO52Compatibility( bStrictSO52Compatibility );

	return m_aPrintJob.StartJob( m_aTmpFile.Len() ? m_aTmpFile : m_aFileName, nMode, rJobName, rAppName, m_aJobData, &m_aPrinterGfx, false ) ? sal_True : sal_False;
}

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

sal_Bool PspSalPrinter::EndJob()
{
	sal_Bool bSuccess = m_aPrintJob.EndJob();

	if( bSuccess )
	{
		// check for fax
		if( m_bFax )
		{

			const PrinterInfo& rInfo( PrinterInfoManager::get().getPrinterInfo( m_aJobData.m_aPrinterName ) );
			// sendAFax removes the file after use
			bSuccess = sendAFax( m_aFaxNr, m_aTmpFile, rInfo.m_aCommand );
		}
		else if( m_bPdf )
		{
			const PrinterInfo& rInfo( PrinterInfoManager::get().getPrinterInfo( m_aJobData.m_aPrinterName ) );
			bSuccess = createPdf( m_aFileName, m_aTmpFile, rInfo.m_aCommand );
		}
	}
    vcl_sal::PrinterUpdate::jobEnded();
	return bSuccess;
}

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

sal_Bool PspSalPrinter::AbortJob()
{
    sal_Bool bAbort = m_aPrintJob.AbortJob() ? sal_True : sal_False;
    vcl_sal::PrinterUpdate::jobEnded();
	return bAbort;
}

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

SalGraphics* PspSalPrinter::StartPage( ImplJobSetup* pJobSetup, sal_Bool )
{
	JobData::constructFromStreamBuffer( pJobSetup->mpDriverData, pJobSetup->mnDriverDataLen, m_aJobData );
	m_pGraphics = new PspGraphics( &m_aJobData, &m_aPrinterGfx, m_bFax ? &m_aFaxNr : NULL, m_bSwallowFaxNo, m_pInfoPrinter  );
    m_pGraphics->SetLayout( 0 );
    if( m_nCopies > 1 )
    {
        // in case user did not do anything (m_nCopies=1)
        // take the default from jobsetup
        m_aJobData.m_nCopies = m_nCopies;
        m_aJobData.setCollate( m_nCopies > 1 && m_bCollate );
    }

	m_aPrintJob.StartPage( m_aJobData );
	m_aPrinterGfx.Init( m_aPrintJob );

	return m_pGraphics;
}

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

sal_Bool PspSalPrinter::EndPage()
{
	sal_Bool bResult = m_aPrintJob.EndPage();
	m_aPrinterGfx.Clear();
	return bResult ? sal_True : sal_False;
}

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

sal_uLong PspSalPrinter::GetErrorCode()
{
	return 0;
}

/*
 *  vcl::PrinterUpdate
 */

Timer* vcl_sal::PrinterUpdate::pPrinterUpdateTimer = NULL;
int vcl_sal::PrinterUpdate::nActiveJobs = 0;

void vcl_sal::PrinterUpdate::doUpdate()
{
    ::psp::PrinterInfoManager& rManager( ::psp::PrinterInfoManager::get() );
    if( rManager.checkPrintersChanged( false ) && SvpSalInstance::s_pDefaultInstance )
    {
        const std::list< SalFrame* >& rList = SvpSalInstance::s_pDefaultInstance->getFrames();
        for( std::list< SalFrame* >::const_iterator it = rList.begin();
             it != rList.end(); ++it )
             SvpSalInstance::s_pDefaultInstance->PostEvent( *it, NULL, SALEVENT_PRINTERCHANGED );
    }
}

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

IMPL_STATIC_LINK_NOINSTANCE( vcl_sal::PrinterUpdate, UpdateTimerHdl, void*, )
{
    if( nActiveJobs < 1 )
    {
        doUpdate();
        delete pPrinterUpdateTimer;
        pPrinterUpdateTimer = NULL;
    }
    else
        pPrinterUpdateTimer->Start();

    return 0;
}

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

void vcl_sal::PrinterUpdate::update()
{
    if( Application::GetSettings().GetMiscSettings().GetDisablePrinting() )
        return;

    static bool bOnce = false;    
    if( ! bOnce )
    {
        bOnce = true;
        // start background printer detection
        psp::PrinterInfoManager::get();
        return;
    }
    
    if( nActiveJobs < 1 )
        doUpdate();
    else if( ! pPrinterUpdateTimer )
    {
        pPrinterUpdateTimer = new Timer();
        pPrinterUpdateTimer->SetTimeout( 500 );
        pPrinterUpdateTimer->SetTimeoutHdl( STATIC_LINK( NULL, vcl_sal::PrinterUpdate, UpdateTimerHdl ) );
        pPrinterUpdateTimer->Start();
    }
}

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

void vcl_sal::PrinterUpdate::jobEnded()
{
    nActiveJobs--;
    if( nActiveJobs < 1 )
    {
        if( pPrinterUpdateTimer )
        {
            pPrinterUpdateTimer->Stop();
            delete pPrinterUpdateTimer;
            pPrinterUpdateTimer = NULL;
            doUpdate();
        }
    }
}