Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 90 insertions, 0 deletions

diff --git a/include/connectivity/conncleanup.hxx b/include/connectivity/conncleanup.hxx
new file mode 100644
index 000000000..d243e3842
--- /dev/null
+++ b/include/connectivity/conncleanup.hxx
@@ -0,0 +1,90 @@
+/* -*- 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 INCLUDED_CONNECTIVITY_CONNCLEANUP_HXX
+#define INCLUDED_CONNECTIVITY_CONNCLEANUP_HXX
+
+#include <cppuhelper/implbase.hxx>
+#include <com/sun/star/beans/XPropertyChangeListener.hpp>
+#include <com/sun/star/sdbc/XRowSetListener.hpp>
+#include <connectivity/dbtoolsdllapi.hxx>
+
+
+namespace com::sun::star::beans { class XPropertySet; }
+namespace com::sun::star::sdbc { class XRowSet; }
+namespace com::sun::star::sdbc { class XConnection; }
+
+namespace dbtools
+{
+
+
+    //= OAutoConnectionDisposer
+
+    typedef ::cppu::WeakImplHelper <   css::beans::XPropertyChangeListener,
+                                       css::sdbc::XRowSetListener
+                                   >   OAutoConnectionDisposer_Base;
+
+    class OOO_DLLPUBLIC_DBTOOLS OAutoConnectionDisposer final : public OAutoConnectionDisposer_Base
+    {
+        css::uno::Reference< css::sdbc::XConnection >
+                    m_xOriginalConnection;
+        css::uno::Reference< css::sdbc::XRowSet > m_xRowSet; // needed to add as listener
+        bool    m_bRSListening          : 1; // true when we're listening on rowset
+        bool    m_bPropertyListening    : 1; // true when we're listening for property changes
+
+    public:
+        /** constructs an object
+            <p>The connection given will be set on the rowset (as ActiveConnection), and the object adds itself as property
+            change listener for the connection. Once somebody sets a new ActiveConnection, the old one (the one given
+            here) will be disposed.</p>
+        */
+        OAutoConnectionDisposer(
+            const css::uno::Reference< css::sdbc::XRowSet >& _rxRowSet,
+            const css::uno::Reference< css::sdbc::XConnection >& _rxConnection
+            );
+
+    private:
+        // XPropertyChangeListener
+        virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& _rEvent ) override;
+
+        // XEventListener
+        virtual void SAL_CALL disposing( const css::lang::EventObject& _rSource ) override;
+
+        // XRowSetListener
+        virtual void SAL_CALL cursorMoved( const css::lang::EventObject& event ) override;
+        virtual void SAL_CALL rowChanged( const css::lang::EventObject& event ) override;
+        virtual void SAL_CALL rowSetChanged( const css::lang::EventObject& event ) override;
+
+        void clearConnection();
+
+        void        startRowSetListening();
+        void        stopRowSetListening();
+        bool        isRowSetListening() const { return m_bRSListening; }
+
+        void        startPropertyListening( const css::uno::Reference< css::beans::XPropertySet >& _rxProps );
+        void        stopPropertyListening( const css::uno::Reference< css::beans::XPropertySet >& _rxEventSource );
+    };
+
+
+}   // namespace dbtools
+
+
+#endif // INCLUDED_CONNECTIVITY_CONNCLEANUP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */