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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /unotools/source/misc/closeveto.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'unotools/source/misc/closeveto.cxx')
-rw-r--r--unotools/source/misc/closeveto.cxx147
1 files changed, 147 insertions, 0 deletions
diff --git a/unotools/source/misc/closeveto.cxx b/unotools/source/misc/closeveto.cxx
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+++ b/unotools/source/misc/closeveto.cxx
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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 .
+ */
+
+#include <unotools/closeveto.hxx>
+
+#include <com/sun/star/util/CloseVetoException.hpp>
+#include <com/sun/star/util/XCloseable.hpp>
+
+#include <cppuhelper/implbase.hxx>
+#include <rtl/ref.hxx>
+#include <tools/diagnose_ex.h>
+
+namespace utl
+{
+
+ using ::com::sun::star::uno::Reference;
+ using ::com::sun::star::uno::XInterface;
+ using ::com::sun::star::uno::UNO_QUERY;
+ using ::com::sun::star::uno::Exception;
+ using ::com::sun::star::util::XCloseable;
+ using ::com::sun::star::util::XCloseListener;
+ using ::com::sun::star::util::CloseVetoException;
+ using ::com::sun::star::lang::EventObject;
+
+ //= CloseListener_Impl
+
+ typedef ::cppu::WeakImplHelper < XCloseListener
+ > CloseListener_Base;
+
+ namespace {
+
+ class CloseListener_Impl : public CloseListener_Base
+ {
+ public:
+ explicit CloseListener_Impl(bool const bHasOwnership)
+ : m_bHasOwnership(bHasOwnership)
+ {
+ }
+
+ // XCloseListener
+ virtual void SAL_CALL queryClosing( const EventObject& Source, sal_Bool GetsOwnership ) override;
+ virtual void SAL_CALL notifyClosing( const EventObject& Source ) override;
+
+ // XEventListener
+ virtual void SAL_CALL disposing( const EventObject& Source) override;
+
+ bool hasOwnership() const { return m_bHasOwnership; }
+
+ protected:
+ virtual ~CloseListener_Impl() override
+ {
+ }
+
+ private:
+ bool m_bHasOwnership;
+ };
+
+ }
+
+ void SAL_CALL CloseListener_Impl::queryClosing( const EventObject&, sal_Bool i_deliverOwnership )
+ {
+ if ( !m_bHasOwnership )
+ m_bHasOwnership = i_deliverOwnership;
+
+ throw CloseVetoException();
+ }
+
+ void SAL_CALL CloseListener_Impl::notifyClosing( const EventObject& ) {}
+
+ void SAL_CALL CloseListener_Impl::disposing( const EventObject& ) {}
+
+ //= CloseVeto_Data
+
+ struct CloseVeto_Data
+ {
+ Reference< XCloseable > xCloseable;
+ ::rtl::Reference< CloseListener_Impl > pListener;
+ };
+
+ //= operations
+
+ namespace
+ {
+
+ void lcl_init( CloseVeto_Data& i_data, const Reference< XInterface >& i_closeable,
+ bool const hasOwnership)
+ {
+ i_data.xCloseable.set( i_closeable, UNO_QUERY );
+ ENSURE_OR_RETURN_VOID( i_data.xCloseable.is(), "CloseVeto: the component is not closeable!" );
+
+ i_data.pListener = new CloseListener_Impl(hasOwnership);
+ i_data.xCloseable->addCloseListener( i_data.pListener );
+ }
+
+ void lcl_deinit( CloseVeto_Data const & i_data )
+ {
+ if ( !i_data.xCloseable.is() )
+ return;
+
+ i_data.xCloseable->removeCloseListener( i_data.pListener );
+ if ( i_data.pListener->hasOwnership() )
+ {
+ try
+ {
+ i_data.xCloseable->close( true );
+ }
+ catch( const CloseVetoException& ) { }
+ catch( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION("unotools");
+ }
+ }
+ }
+ }
+
+ //= CloseVeto
+ CloseVeto::CloseVeto(const Reference< XInterface >& i_closeable,
+ bool const hasOwnership)
+ : m_xData(new CloseVeto_Data)
+ {
+ lcl_init(*m_xData, i_closeable, hasOwnership);
+ }
+
+ CloseVeto::~CloseVeto()
+ {
+ lcl_deinit(*m_xData);
+ }
+
+} // namespace utl
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */