1 files changed, 149 insertions, 0 deletions
diff --git a/connectivity/source/inc/calc/CConnection.hxx b/connectivity/source/inc/calc/CConnection.hxx
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+++ b/connectivity/source/inc/calc/CConnection.hxx
@@ -0,0 +1,149 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <memory>
+#include <file/FConnection.hxx>
+#include <com/sun/star/frame/XDesktop2.hpp>
+#include <com/sun/star/frame/XTerminateListener.hpp>
+#include <rtl/ref.hxx>
+#include <unotools/closeveto.hxx>
+
+namespace com::sun::star {
+    namespace sheet { class XSpreadsheetDocument; }
+}
+
+namespace utl { class CloseVeto; }
+
+
+namespace connectivity::calc
+    {
+        class ODriver;
+        class OCalcConnection : public file::OConnection
+        {
+            // the spreadsheet document:
+            css::uno::Reference< css::sheet::XSpreadsheetDocument > m_xDoc;
+            OUString m_sPassword;
+            OUString m_aFileName;
+            oslInterlockedCount m_nDocCount;
+
+            class CloseVetoButTerminateListener : public cppu::WeakComponentImplHelper<css::frame::XTerminateListener>
+            {
+            private:
+                /// close listener that vetoes so nobody else disposes m_xDoc
+                std::unique_ptr<utl::CloseVeto> m_pCloseListener;
+                /// but also listen to XDesktop and if app is terminating anyway, dispose m_xDoc while
+                /// its still possible to do so properly
+                css::uno::Reference<css::frame::XDesktop2> m_xDesktop;
+                osl::Mutex m_aMutex;
+            public:
+                CloseVetoButTerminateListener()
+                    : cppu::WeakComponentImplHelper<css::frame::XTerminateListener>(m_aMutex)
+                {
+                }
+
+                void start(const css::uno::Reference<css::uno::XInterface>& rCloseable,
+                           const css::uno::Reference<css::frame::XDesktop2>& rDesktop)
+                {
+                    m_xDesktop = rDesktop;
+                    m_xDesktop->addTerminateListener(this);
+                    m_pCloseListener.reset(new utl::CloseVeto(rCloseable, true));
+                }
+
+                void stop()
+                {
+                    m_pCloseListener.reset();
+                    if (!m_xDesktop.is())
+                        return;
+                    m_xDesktop->removeTerminateListener(this);
+                    m_xDesktop.clear();
+                }
+
+                // XTerminateListener
+                virtual void SAL_CALL queryTermination(const css::lang::EventObject& /*rEvent*/) override
+                {
+                }
+
+                virtual void SAL_CALL notifyTermination(const css::lang::EventObject& /*rEvent*/) override
+                {
+                    stop();
+                }
+
+                virtual void SAL_CALL disposing() override
+                {
+                    stop();
+                    cppu::WeakComponentImplHelperBase::disposing();
+                }
+
+                virtual void SAL_CALL disposing(const css::lang::EventObject& rEvent) override
+                {
+                    const bool bShutDown = (rEvent.Source == m_xDesktop);
+                    if (bShutDown)
+                        stop();
+                }
+            };
+
+            rtl::Reference<CloseVetoButTerminateListener> m_xCloseVetoButTerminateListener;
+
+        public:
+            OCalcConnection(ODriver* _pDriver);
+            virtual ~OCalcConnection() override;
+
+            virtual void construct(const OUString& _rUrl,
+                                   const css::uno::Sequence< css::beans::PropertyValue >& _rInfo ) override;
+
+            // XServiceInfo
+            DECLARE_SERVICE_INFO();
+
+            // OComponentHelper
+            virtual void SAL_CALL disposing() override;
+
+            // XConnection
+            virtual css::uno::Reference< css::sdbc::XDatabaseMetaData > SAL_CALL getMetaData(  ) override;
+            virtual css::uno::Reference< css::sdbcx::XTablesSupplier > createCatalog() override;
+            virtual css::uno::Reference< css::sdbc::XStatement > SAL_CALL createStatement(  ) override;
+            virtual css::uno::Reference< css::sdbc::XPreparedStatement > SAL_CALL prepareStatement( const OUString& sql ) override;
+            virtual css::uno::Reference< css::sdbc::XPreparedStatement > SAL_CALL prepareCall( const OUString& sql ) override;
+
+            // no interface methods
+            css::uno::Reference< css::sheet::XSpreadsheetDocument> const & acquireDoc();
+            void releaseDoc();
+
+            class ODocHolder
+            {
+                OCalcConnection* m_pConnection;
+                css::uno::Reference< css::sheet::XSpreadsheetDocument> m_xDoc;
+            public:
+                ODocHolder(OCalcConnection* _pConnection) : m_pConnection(_pConnection)
+                {
+                    m_xDoc = m_pConnection->acquireDoc();
+                }
+                ~ODocHolder()
+                {
+                    m_xDoc.clear();
+                    m_pConnection->releaseDoc();
+                }
+                const css::uno::Reference< css::sheet::XSpreadsheetDocument>& getDoc() const { return m_xDoc; }
+            };
+        };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */