1 files changed, 131 insertions, 0 deletions
diff --git a/package/inc/mutexholder.hxx b/package/inc/mutexholder.hxx
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+++ b/package/inc/mutexholder.hxx
@@ -0,0 +1,131 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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 __MUTEXHOLDER_HXX_
+#define __MUTEXHOLDER_HXX_
+
+#include <osl/mutex.hxx>
+
+class SotMutexHolder
+{
+    ::osl::Mutex m_aMutex;
+    sal_Int32    m_nRefCount;
+
+    public:
+    SotMutexHolder() : m_nRefCount( 0 ) {}
+
+    void AddRef()
+    {
+        m_nRefCount++;
+    }
+
+    void ReleaseRef()
+    {
+        if ( !--m_nRefCount )
+            delete this;
+    }
+
+    ::osl::Mutex& GetMutex() { return m_aMutex; }
+};
+
+class SotMutexHolderRef
+{
+    SotMutexHolder* m_pHolder;
+
+public:
+    SotMutexHolderRef()
+    : m_pHolder( NULL )
+    {}
+
+    SotMutexHolderRef( SotMutexHolder* pHolder )
+    : m_pHolder( pHolder )
+    {
+        if ( m_pHolder )
+            m_pHolder->AddRef();
+    }
+
+    SotMutexHolderRef( const SotMutexHolderRef& rRef )
+    : m_pHolder( rRef.m_pHolder )
+    {
+        if ( m_pHolder )
+            m_pHolder->AddRef();
+    }
+
+    ~SotMutexHolderRef()
+    {
+        if ( m_pHolder )
+            m_pHolder->ReleaseRef();
+    }
+
+    SotMutexHolderRef& operator =( const SotMutexHolderRef& rRef )
+    {
+        if ( m_pHolder )
+            m_pHolder->ReleaseRef();
+
+        m_pHolder = rRef.m_pHolder;
+
+        if ( m_pHolder )
+            m_pHolder->AddRef();
+
+        return *this;
+    }
+
+    SotMutexHolderRef& operator =( SotMutexHolder* pHolder )
+    {
+        if ( m_pHolder )
+            m_pHolder->ReleaseRef();
+
+        m_pHolder = pHolder;
+
+        if ( m_pHolder )
+            m_pHolder->AddRef();
+        return *this;
+    }
+
+    SotMutexHolder* operator ->() const
+    {
+        return m_pHolder;
+    }
+
+    SotMutexHolder& operator *() const
+    {
+        return *m_pHolder;
+    }
+
+    operator SotMutexHolder*() const
+    {
+        return m_pHolder;
+    }
+
+    sal_Bool Is() const
+    {
+        return m_pHolder != NULL;
+    }
+};
+
+#endif
+