1 files changed, 118 insertions, 0 deletions
diff --git a/sd/inc/helper/simplereferencecomponent.hxx b/sd/inc/helper/simplereferencecomponent.hxx
new file mode 100644
index 000000000000..0c3f4f4b97bb
--- /dev/null
+++ b/sd/inc/helper/simplereferencecomponent.hxx
@@ -0,0 +1,118 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: simplereferencecomponent.hxx,v $
+ * $Revision: 1.3 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _SD_SIMPLEREFERENCECOMPONENT_HXX_
+#define _SD_SIMPLEREFERENCECOMPONENT_HXX_
+
+#include "osl/interlck.h"
+#include "sal/types.h"
+
+#include <cstddef>
+#include <new>
+
+#include <sddllapi.h>
+
+namespace sd {
+
+/** A simple base implementation for reference-counted components.
+    acts like sal::SimpleReferenceObject but calls the virtual disposing()
+    methods before the ref count switches from 1 to zero.
+ */
+class SimpleReferenceComponent
+{
+public:
+    SimpleReferenceComponent();
+
+    /** @ATTENTION
+        The results are undefined if, for any individual instance of
+        SimpleReferenceComponent, the total number of calls to acquire() exceeds
+        the total number of calls to release() by a plattform dependent amount
+        (which, hopefully, is quite large).
+     */
+    SD_DLLPUBLIC void acquire();
+    SD_DLLPUBLIC void release();
+
+    void Dispose();
+
+    bool isDisposed() const { return mbDisposed; }
+
+    /** see general class documentation
+     */
+    static void * operator new(std::size_t nSize) SAL_THROW((std::bad_alloc));
+
+    /** see general class documentation
+     */
+    static void * operator new(std::size_t nSize,
+                               std::nothrow_t const & rNothrow)
+       ;
+
+    /** see general class documentation
+     */
+    static void operator delete(void * pPtr);
+
+    /** see general class documentation
+     */
+    static void operator delete(void * pPtr, std::nothrow_t const & rNothrow)
+       ;
+
+protected:
+    virtual void disposing();
+
+    virtual ~SimpleReferenceComponent();
+
+private:
+    oslInterlockedCount m_nCount;
+
+    /** not implemented
+        @internal
+     */
+    SimpleReferenceComponent(SimpleReferenceComponent &);
+
+    /** not implemented
+        @internal
+     */
+    void operator =(SimpleReferenceComponent);
+
+    /** not implemented (see general class documentation)
+        @internal
+     */
+    static void * operator new[](std::size_t);
+
+    /** not implemented (see general class documentation)
+        @internal
+     */
+    static void operator delete[](void * pPtr);
+
+    bool mbDisposed;
+};
+
+}
+
+#endif // _SALHELPER_SimpleReferenceComponent_HXX_