/*++
  Copyright (C) 2000  Microsoft Corporation                                   
  All rights reserved.                                                        
                                                                              
  Module Name:                                                                
     prtcfg.cxx                                                             
                                                                              
  Abstract:                                                                   
     This file contains the implementation for the Printer
     and Document Property class                                                                              
  Author:                                                                     
     Khaled Sedky (khaleds) 18-Feb-2000                                        
     
                                                                             
  Revision History:                                                           
                                                                              
--*/
#include "precomp.h"
#pragma hdrstop


#ifndef __LDFUNCS_HPP__
#include "ldfuncs.hpp"
#endif
                
                
#ifndef __LDMGR_HPP__
#include "ldmgr.hpp"
#endif


/* ------------------------------------ */
/* Implemetation of class TPrinterCfgMgr */
/* ------------------------------------ */


/*++
    Function Name:
        TPrintUIMgr :: TPrintUIMgr
     
    Description:
        Contructor of the Printer (Driver) configuration  
        manager 
     
    Parameters:
        None
        
    Return Value:
        None
--*/
TPrinterCfgMgr::
TPrinterCfgMgr(
    TLoad64BitDllsMgr *pIpLdrObj
    ) :
    m_pLdrObj(pIpLdrObj),
    TClassID("TPrinterCfgMgr")
{
    m_pLdrObj->AddRef();
}


/*++
    Function Name:
        TPrintUIMgr :: TPrintUIMgr
     
    Description:
        Destructor of the Printer (Driver) configuration  
        manager 
     
    Parameters:
        None
        
    Return Value:
        None
--*/
TPrinterCfgMgr::
~TPrinterCfgMgr(
    VOID
    )
{
    m_pLdrObj->Release();
}


/*++
    Function Name:
        TPrintUIMgr :: PrinterProperties
     
    Description:
        Displays a Printer-properties property sheet
        for the specific printer
     
    Parameters:
        hWnd        : Parent Window
        Printername : Printer Name
        Flag        : Access permissions
        ErrorCode   : Win32 error in case of failure
        
    Return Value:
        BOOL        : FALSE for failure
                      TRUE  for success
--*/
BOOL
TPrinterCfgMgr ::
PrinterProperties(
    IN  ULONG_PTR   hWnd,
    IN  LPCWSTR     pszPrinterName,
    IN  DWORD       Flag,
    OUT PDWORD      pErrorCode
    )
{
     DEVICEPROPERTYHEADER  DPHdr;
     DWORD                 Result;
     PFNDEVICEPROPSHEETS   pfnDevicePropSheets;
     HANDLE                hPrinter  = NULL;
     HMODULE               hWinSpool = NULL;
     BOOL                  RetVal    = FALSE;
     RPC_STATUS            RpcStatus;


     if((RpcStatus = RpcImpersonateClient(0)) == RPC_S_OK)
     {
         if(hWinSpool = LoadLibrary(L"winspool.drv"))
         {
              if(pfnDevicePropSheets = reinterpret_cast<PFNDEVICEPROPSHEETS>(GetProcAddress(hWinSpool,
                                                                                            "DevicePropertySheets")))
              {
                   if(OpenPrinter(const_cast<LPWSTR>(pszPrinterName),
                                  &hPrinter,NULL))
                   {
                        PFNCALLCOMMONPROPSHEETUI  pfnCallCommonPropSheeUI = NULL;

                        DPHdr.cbSize         = sizeof(DPHdr);
                        DPHdr.hPrinter       = hPrinter;
                        DPHdr.Flags          = (WORD)Flag;
                        DPHdr.pszPrinterName = const_cast<LPWSTR>(pszPrinterName);

                        if(pfnCallCommonPropSheeUI= reinterpret_cast<PFNCALLCOMMONPROPSHEETUI>(GetProcAddress(hWinSpool,
                                                                                                              (LPCSTR) MAKELPARAM(218, 0))))
                        {
                            m_pLdrObj->IncUIRefCnt();
                            {
                                 if(pfnCallCommonPropSheeUI(reinterpret_cast<HWND>(hWnd),
                                                            pfnDevicePropSheets,
                                                            (LPARAM)&DPHdr,
                                                            (LPDWORD)&Result) < 0)
                                 {
                                      RetVal = FALSE;
                                      *pErrorCode = GetLastError();
                                 }
                                 else
                                 {
                                      RetVal = TRUE;
                                 }
                                 PostMessage(reinterpret_cast<HWND>(hWnd),
                                             WM_ENDPRINTERPROPERTIES,
                                             (WPARAM)RetVal,
                                             (LPARAM)*pErrorCode);
                            }
                            m_pLdrObj->DecUIRefCnt();
                        }
                        else
                        {
                             *pErrorCode = GetLastError();
                        }
                        CloseHandle(hPrinter);
                   }
                   else
                   {
                        *pErrorCode = GetLastError();
                   }
              }
              else
              {
                   *pErrorCode = GetLastError();
              }
              FreeLibrary(hWinSpool);
         }
         else
         {
              *pErrorCode = GetLastError();
         }

         RpcStatus = RpcRevertToSelf();
     }
     else
     {
         *pErrorCode = RpcStatus;
     }

     return RetVal;
}