office-gobmx/reportdesign/inc/ModuleHelper.hxx

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#ifndef _RPTUI_MODULE_HELPER_RPT_HXX_
#define _RPTUI_MODULE_HELPER_RPT_HXX_

#include "dllapi.h"
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <tools/resmgr.hxx>

//.........................................................................
namespace rptui
{
//.........................................................................
    //=========================================================================
    //= OModule
    //=========================================================================
    class OModuleImpl;
    class REPORTDESIGN_DLLPUBLIC OModule
    {
        friend class OModuleClient;

    private:
        OModule();
            // not implemented. OModule is a static class

    protected:
        static ::osl::Mutex s_aMutex;       /// access safety
        static sal_Int32    s_nClients;     /// number of registered clients
        static OModuleImpl* s_pImpl;        /// impl class. lives as long as at least one client for the module is registered

    public:
        /// get the vcl res manager of the module
        static ResMgr*  getResManager();
    protected:
        /// register a client for the module
        static void registerClient();
        /// revoke a client for the module
        static void revokeClient();

    private:
        /** ensure that the impl class exists
            @precond m_aMutex is guarded when this method gets called
        */
        static void ensureImpl();
    };

    //=========================================================================
    //= OModuleClient
    //=========================================================================
    /** base class for objects which uses any global module-specific ressources
    */
    class REPORTDESIGN_DLLPUBLIC OModuleClient
    {
    public:
        inline OModuleClient()      { OModule::registerClient(); }
        inline ~OModuleClient() { OModule::revokeClient(); }
    };

    //=========================================================================
    //= ModuleRes
    //=========================================================================
    /** specialized ResId, using the ressource manager provided by the global module
    */
    class REPORTDESIGN_DLLPUBLIC ModuleRes : public ::ResId
    {
    public:
        inline ModuleRes(sal_uInt16 _nId) : ResId(_nId, *OModule::getResManager()) { }
    };
//.........................................................................
}   // namespace rptui
//.........................................................................

#endif // _RPTUI_MODULE_HELPER_RPT_HXX_


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