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/document/XFilter.hpp>
  22 #include <com/sun/star/lang/XServiceInfo.hpp>
  23 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  24 #include <com/sun/star/uno/XComponentContext.hpp>
  25 #include <com/sun/star/frame/XModel.hpp>
  26 #include <com/sun/star/io/XStream.hpp>
  27
  28 #include <cppuhelper/implbase.hxx>
  29 #include <cppuhelper/supportsservice.hxx>
  30 #include <sfx2/objsh.hxx>
  31
  32 using namespace css;
  33
  34 namespace {
  35
  36 class OwnSubFilterService : public cppu::WeakImplHelper < document::XFilter
  37                                                         ,lang::XServiceInfo >
  38 {
  39     uno::Reference< frame::XModel > m_xModel;
  40     uno::Reference< io::XStream > m_xStream;
  41     SfxObjectShell* m_pObjectShell;
  42
  43 public:
  44     /// @throws css::uno::Exception
  45     /// @throws css::uno::RuntimeException
  46     explicit OwnSubFilterService(const css::uno::Sequence< css::uno::Any >& aArguments);
  47
  48     // XFilter
  49     virtual sal_Bool SAL_CALL filter( const uno::Sequence< beans::PropertyValue >& aDescriptor ) override;
  50     virtual void SAL_CALL cancel() override;
  51
  52     // XServiceInfo
  53     virtual OUString SAL_CALL getImplementationName(  ) override;
  54     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  55     virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
  56 };
  57
  58 OwnSubFilterService::OwnSubFilterService(const css::uno::Sequence< css::uno::Any >& aArguments)
  59     : m_pObjectShell( nullptr )
  60 {
  61     if ( aArguments.getLength() != 2 )
  62         throw lang::IllegalArgumentException();
  63
  64     if ( m_pObjectShell )
  65         throw frame::DoubleInitializationException();
  66
  67     if ( ( aArguments[1] >>= m_xStream ) && m_xStream.is()
  68       && ( aArguments[0] >>= m_xModel ) && m_xModel.is() )
  69     {
  70         m_pObjectShell = SfxObjectShell::GetShellFromComponent(m_xModel);
  71     }
  72
  73     if ( !m_pObjectShell )
  74         throw lang::IllegalArgumentException();
  75 }
  76
  77 sal_Bool SAL_CALL OwnSubFilterService::filter( const uno::Sequence< beans::PropertyValue >& aDescriptor )
  78 {
  79     if ( !m_pObjectShell )
  80         throw uno::RuntimeException();
  81
  82     return m_pObjectShell->ImportFromGeneratedStream_Impl( m_xStream, aDescriptor );
  83 }
  84
  85 void SAL_CALL OwnSubFilterService::cancel()
  86 {
  87     // not implemented
  88 }
  89
  90 OUString SAL_CALL OwnSubFilterService::getImplementationName()
  91 {
  92     return "com.sun.star.comp.document.OwnSubFilter";
  93 }
  94
  95 sal_Bool SAL_CALL OwnSubFilterService::supportsService( const OUString& ServiceName )
  96 {
  97     return cppu::supportsService(this, ServiceName);
  98 }
  99
 100 uno::Sequence< OUString > SAL_CALL OwnSubFilterService::getSupportedServiceNames()
 101 {
 102     return { "com.sun.star.document.OwnSubFilter", "com.sun.star.comp.document.OwnSubFilter" };
 103 }
 104
 105 }
 106
 107 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
 108 com_sun_star_comp_document_OwnSubFilter_get_implementation(
 109     css::uno::XComponentContext *,
 110     css::uno::Sequence<css::uno::Any> const &arguments)
 111 {
 112     return cppu::acquire(new OwnSubFilterService(arguments));
 113 }
 114
 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */