binfilter/inc/bf_sc/scdll.hxx

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  30
  31 #ifndef SC_SCDLL_HXX
  32 #define SC_SCDLL_HXX
  33
  34 class ResMgr;
  35 class SvFactory;
  36 class SotFactory;
  37 class StatusBar;
  38 class SfxMedium;
  39 class SfxFilter;
  40
  41 #ifndef _SFXDEFS_HXX //autogen
  42 #include <bf_sfx2/sfxdefs.hxx>
  43 #endif
  44 #ifndef _SFXMODULE_HXX //autogen
  45 #include <bf_sfx2/module.hxx>
  46 #endif
  47 #ifndef _SFX_OBJFAC_HXX
  48 #include <bf_sfx2/docfac.hxx>
  49 #endif
  50 namespace binfilter {
  51
  52 //-------------------------------------------------------------------------
  53
  54 class ScDLL
  55
  56 /*      [Description]
  57
  58     This class is a wrapper for a Load-On-Demand-DLL. One instance
  59     per SfxApplication will be created for the runtime of
  60     SfxApplication-subclass::Main().
  61
  62     Remember: Do export this class! It is used by the application.
  63 */
  64
  65 {
  66 public:
  67                     // Ctor/Dtor must be linked to the application
  68                     ScDLL();
  69                     ~ScDLL();
  70
  71                     // static-init/exit-code must be linked to the application
  72     static void         LibInit();      // called from SfxApplication-subclass::Init()
  73     static void         LibExit();      // called from SfxApplication-subclass::Exit()
  74     static void         PreExit();      // muss vor LibExit gerufen werden
  75
  76                     // DLL-init/exit-code must be linked to the DLL only
  77     static void         Init();         // called directly after loading the DLL
  78     static void         Exit();         // called directly befor unloading the DLL
  79
  80
  81     static ULONG        DetectFilter( SfxMedium& rMedium, const SfxFilter** ppFilter,
  82                                     SfxFilterFlags nMust, SfxFilterFlags nDont );
  83 };
  84
  85 //-------------------------------------------------------------------------
  86
  87 class ScModuleDummy: public SfxModule
  88
  89 /*      [Description]
  90
  91     This tricky class keeps pointers to the SvFactories while
  92     the DLL isn`t loaded. A pointer to the one instance is available
  93     through SXX_MOD() (shared-lib-app-data).
  94 */
  95
  96 {
  97 public:
  98                     // SvFactory name convention:
  99                     // 'p' + SfxObjectShell-subclass + 'Factory'
 100     SotFactory*         pScDocShellFactory;
 101
 102                     ScModuleDummy( ResMgr *pResMgr, BOOL bDummy, SfxObjectFactory* pFact )
 103                     :   SfxModule(pResMgr, bDummy, pFact, NULL),
 104                         pScDocShellFactory(pFact)
 105                     {}
 106
 107     virtual SfxModule* Load();
 108 };
 109
 110 //-------------------------------------------------------------------------
 111
 112 #define SC_DLL() ( *(ScModuleDummy**) GetAppData(BF_SHL_CALC) )
 113
 114 } //namespace binfilter
 115 #endif
 116