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, 154 insertions, 0 deletions

diff --git a/connectivity/source/inc/writer/WConnection.hxx b/connectivity/source/inc/writer/WConnection.hxx
new file mode 100644
index 000000000..768518a97
--- /dev/null
+++ b/connectivity/source/inc/writer/WConnection.hxx
@@ -0,0 +1,154 @@
+/* -*- 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::text
+{
+class XTextDocument;
+}
+namespace utl
+{
+class CloseVeto;
+}
+
+namespace connectivity::writer
+{
+class ODriver;
+class OWriterConnection : public file::OConnection
+{
+    // the spreadsheet document:
+    css::uno::Reference<css::text::XTextDocument> 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 = std::make_unique<utl::CloseVeto>(rCloseable, true);
+        }
+
+        void stop()
+        {
+            m_pCloseListener.reset();
+            if (!m_xDesktop.is())
+                return;
+            m_xDesktop->removeTerminateListener(this);
+            m_xDesktop.clear();
+        }
+
+        // XTerminateListener
+        void SAL_CALL queryTermination(const css::lang::EventObject& /*rEvent*/) override {}
+
+        void SAL_CALL notifyTermination(const css::lang::EventObject& /*rEvent*/) override
+        {
+            stop();
+        }
+
+        void SAL_CALL disposing() override
+        {
+            stop();
+            cppu::WeakComponentImplHelperBase::disposing();
+        }
+
+        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:
+    OWriterConnection(ODriver* _pDriver);
+    ~OWriterConnection() override;
+
+    void construct(const OUString& rURL,
+                   const css::uno::Sequence<css::beans::PropertyValue>& rInfo) override;
+
+    // XServiceInfo
+    DECLARE_SERVICE_INFO();
+
+    // OComponentHelper
+    void SAL_CALL disposing() override;
+
+    // XConnection
+    css::uno::Reference<css::sdbc::XDatabaseMetaData> SAL_CALL getMetaData() override;
+    css::uno::Reference<css::sdbcx::XTablesSupplier> createCatalog() override;
+    css::uno::Reference<css::sdbc::XStatement> SAL_CALL createStatement() override;
+    css::uno::Reference<css::sdbc::XPreparedStatement>
+        SAL_CALL prepareStatement(const OUString& sql) override;
+    css::uno::Reference<css::sdbc::XPreparedStatement>
+        SAL_CALL prepareCall(const OUString& sql) override;
+
+    // no interface methods
+    css::uno::Reference<css::text::XTextDocument> const& acquireDoc();
+    void releaseDoc();
+
+    class ODocHolder
+    {
+        OWriterConnection* m_pConnection;
+        css::uno::Reference<css::text::XTextDocument> m_xDoc;
+
+    public:
+        ODocHolder(OWriterConnection* _pConnection)
+            : m_pConnection(_pConnection)
+        {
+            m_xDoc = m_pConnection->acquireDoc();
+        }
+        ~ODocHolder()
+        {
+            m_xDoc.clear();
+            m_pConnection->releaseDoc();
+        }
+        const css::uno::Reference<css::text::XTextDocument>& getDoc() const { return m_xDoc; }
+    };
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */