1 files changed, 86 insertions, 0 deletions
diff --git a/include/connectivity/OSubComponent.hxx b/include/connectivity/OSubComponent.hxx
new file mode 100644
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+++ b/include/connectivity/OSubComponent.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef _CONNECTIVITY_OSUBCOMPONENT_HXX_
+#define _CONNECTIVITY_OSUBCOMPONENT_HXX_
+
+#include <cppuhelper/weak.hxx>
+#include <cppuhelper/interfacecontainer.h>
+#include "connectivity/dbtoolsdllapi.hxx"
+
+namespace com
+{
+    namespace sun
+    {
+        namespace star
+        {
+            namespace lang
+            {
+                class XComponent;
+            }
+        }
+    }
+}
+namespace connectivity
+{
+    OOO_DLLPUBLIC_DBTOOLS
+    void release(oslInterlockedCount& _refCount,
+                 ::cppu::OBroadcastHelper& rBHelper,
+                 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface,
+                 ::com::sun::star::lang::XComponent* _pObject);
+    //************************************************************
+    // OSubComponent
+    //************************************************************
+    template <class SELF, class WEAK> class OSubComponent
+    {
+    protected:
+        // the parent must support the tunnel implementation
+        ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xParent;
+        SELF*   m_pDerivedImplementation;
+
+    public:
+        OSubComponent(
+                const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParent,
+                SELF* _pDerivedImplementation)
+            :m_xParent(_xParent)
+            ,m_pDerivedImplementation(_pDerivedImplementation)
+        {
+        }
+
+    protected:
+        void dispose_ChildImpl()
+        {
+            // avoid ambiguity
+            ::osl::MutexGuard aGuard( m_pDerivedImplementation->WEAK::rBHelper.rMutex );
+        m_xParent.clear();
+        }
+        void relase_ChildImpl()
+        {
+            ::connectivity::release(m_pDerivedImplementation->m_refCount,
+                                    m_pDerivedImplementation->WEAK::rBHelper,
+                                    m_xParent,
+                                    m_pDerivedImplementation);
+
+            m_pDerivedImplementation->WEAK::release();
+        }
+    };
+}
+#endif // _CONNECTIVITY_OSUBCOMPONENT_HXX_
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */