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+/*************************************************************************
+ *
+ *  $RCSfile: moduledbu.hxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: fs $ $Date: 2000-10-05 10:08:51 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc..
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _DBAUI_MODULE_DBU_HXX_
+#define _DBAUI_MODULE_DBU_HXX_
+
+#ifndef _OSL_MUTEX_HXX_
+#include <osl/mutex.hxx>
+#endif
+#ifndef _TOOLS_RESID_HXX
+#include <tools/resid.hxx>
+#endif
+
+class ResMgr;
+
+//.........................................................................
+namespace dbaui
+{
+//.........................................................................
+
+//=========================================================================
+//= OModule
+//=========================================================================
+class OModuleImpl;
+class 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 OModuleClient
+{
+private:
+    class ResId;
+        // with this, nobody derived from this class can use a ResId (without qualifying the global scope explicitly)
+        // if you're derived from this class and want to use ressources, please use ModuleRes (see below)
+
+public:
+    OModuleClient()     { OModule::registerClient(); }
+    ~OModuleClient()    { OModule::revokeClient(); }
+};
+
+//=========================================================================
+//= ModuleRes
+//=========================================================================
+/** specialized ResId, using the ressource manager provided by the global module
+*/
+class ModuleRes : public ::ResId
+{
+public:
+    ModuleRes(USHORT _nId) : ResId(_nId, OModule::getResManager()) { }
+};
+
+//.........................................................................
+}   // namespace dbaui
+//.........................................................................
+
+#endif // _DBAUI_MODULE_DBU_HXX_
+
+/*************************************************************************
+ * history:
+ *  $Log: not supported by cvs2svn $
+ *
+ *  Revision 1.0 20.09.00 15:26:10  fs
+ ************************************************************************/
+