sfx2/source/doc/ownsubfilterservice.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <com/sun/star/frame/DoubleInitializationException.hpp>
  21 #include <com/sun/star/lang/XUnoTunnel.hpp>
  22 #include <com/sun/star/document/XFilter.hpp>
  23 #include <com/sun/star/lang/XServiceInfo.hpp>
  24 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  25 #include <com/sun/star/uno/XComponentContext.hpp>
  26 #include <com/sun/star/frame/XModel.hpp>
  27 #include <com/sun/star/io/XStream.hpp>
  28
  29 #include <cppuhelper/implbase.hxx>
  30 #include <cppuhelper/supportsservice.hxx>
  31 #include <sfx2/objsh.hxx>
  32
  33 using namespace css;
  34
  35 namespace {
  36
  37 class OwnSubFilterService : public cppu::WeakImplHelper < document::XFilter
  38                                                         ,lang::XServiceInfo >
  39 {
  40     uno::Reference< frame::XModel > m_xModel;
  41     uno::Reference< io::XStream > m_xStream;
  42     SfxObjectShell* m_pObjectShell;
  43
  44 public:
  45     /// @throws css::uno::Exception
  46     /// @throws css::uno::RuntimeException
  47     explicit OwnSubFilterService(const css::uno::Sequence< css::uno::Any >& aArguments);
  48
  49     // XFilter
  50     virtual sal_Bool SAL_CALL filter( const uno::Sequence< beans::PropertyValue >& aDescriptor ) override;
  51     virtual void SAL_CALL cancel() override;
  52
  53     // XServiceInfo
  54     virtual OUString SAL_CALL getImplementationName(  ) override;
  55     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  56     virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
  57 };
  58
  59 OwnSubFilterService::OwnSubFilterService(const css::uno::Sequence< css::uno::Any >& aArguments)
  60     : m_pObjectShell( nullptr )
  61 {
  62     if ( aArguments.getLength() != 2 )
  63         throw lang::IllegalArgumentException();
  64
  65     if ( m_pObjectShell )
  66         throw frame::DoubleInitializationException();
  67
  68     if ( ( aArguments[1] >>= m_xStream ) && m_xStream.is()
  69       && ( aArguments[0] >>= m_xModel ) && m_xModel.is() )
  70     {
  71         m_pObjectShell = SfxObjectShell::GetShellFromComponent(m_xModel);
  72     }
  73
  74     if ( !m_pObjectShell )
  75         throw lang::IllegalArgumentException();
  76 }
  77
  78 sal_Bool SAL_CALL OwnSubFilterService::filter( const uno::Sequence< beans::PropertyValue >& aDescriptor )
  79 {
  80     if ( !m_pObjectShell )
  81         throw uno::RuntimeException();
  82
  83     return m_pObjectShell->ImportFromGeneratedStream_Impl( m_xStream, aDescriptor );
  84 }
  85
  86 void SAL_CALL OwnSubFilterService::cancel()
  87 {
  88     // not implemented
  89 }
  90
  91 OUString SAL_CALL OwnSubFilterService::getImplementationName()
  92 {
  93     return "com.sun.star.comp.document.OwnSubFilter";
  94 }
  95
  96 sal_Bool SAL_CALL OwnSubFilterService::supportsService( const OUString& ServiceName )
  97 {
  98     return cppu::supportsService(this, ServiceName);
  99 }
 100
 101 uno::Sequence< OUString > SAL_CALL OwnSubFilterService::getSupportedServiceNames()
 102 {
 103     return { "com.sun.star.document.OwnSubFilter", "com.sun.star.comp.document.OwnSubFilter" };
 104 }
 105
 106 }
 107
 108 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
 109 com_sun_star_comp_document_OwnSubFilter_get_implementation(
 110     css::uno::XComponentContext *,
 111     css::uno::Sequence<css::uno::Any> const &arguments)
 112 {
 113     return cppu::acquire(new OwnSubFilterService(arguments));
 114 }
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */