sfx2/source/doc/sfxmodelfactory.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.
   4  *
   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 <sfx2/sfxmodelfactory.hxx>
  21
  22 #include <com/sun/star/beans/NamedValue.hpp>
  23 #include <com/sun/star/lang/XInitialization.hpp>
  24
  25 #include <comphelper/namedvaluecollection.hxx>
  26
  27 #include <osl/diagnose.h>
  28
  29 #include <algorithm>
  30
  31
  32 namespace sfx2
  33 {
  34
  35
  36     using ::com::sun::star::uno::Reference;
  37     using ::com::sun::star::uno::XInterface;
  38     using ::com::sun::star::uno::UNO_QUERY;
  39     using ::com::sun::star::uno::Any;
  40     using ::com::sun::star::uno::Sequence;
  41     using ::com::sun::star::beans::NamedValue;
  42     using ::com::sun::star::beans::PropertyValue;
  43     using ::com::sun::star::lang::XInitialization;
  44
  45
  46
  47     namespace
  48     {
  49         struct IsSpecialArgument
  50         {
  51             static bool isSpecialArgumentName( std::u16string_view _rValueName )
  52             {
  53                 return  _rValueName == u"EmbeddedObject" || _rValueName == u"EmbeddedScriptSupport" || _rValueName == u"DocumentRecoverySupport";
  54             }
  55
  56             bool operator()( const Any& _rArgument ) const
  57             {
  58                 NamedValue aNamedValue;
  59                 if ( ( _rArgument >>= aNamedValue ) && isSpecialArgumentName( aNamedValue.Name ) )
  60                     return true;
  61                 PropertyValue aPropertyValue;
  62                 return ( _rArgument >>= aPropertyValue ) && isSpecialArgumentName( aPropertyValue.Name );
  63             }
  64         };
  65     }
  66
  67
  68     css::uno::Reference<css::uno::XInterface> createSfxModelInstance(
  69         const css::uno::Sequence<css::uno::Any> & _rArguments,
  70         std::function<css::uno::Reference<css::uno::XInterface>(SfxModelFlags)> creationFunc)
  71     {
  72         ::comphelper::NamedValueCollection aArgs( _rArguments );
  73         const bool bEmbeddedObject = aArgs.getOrDefault( "EmbeddedObject", false );
  74         const bool bScriptSupport = aArgs.getOrDefault( "EmbeddedScriptSupport", true );
  75         const bool bDocRecoverySupport = aArgs.getOrDefault( "DocumentRecoverySupport", true );
  76
  77         SfxModelFlags nCreationFlags =
  78                 ( bEmbeddedObject ? SfxModelFlags::EMBEDDED_OBJECT : SfxModelFlags::NONE )
  79             |   ( bScriptSupport ? SfxModelFlags::NONE : SfxModelFlags::DISABLE_EMBEDDED_SCRIPTS )
  80             |   ( bDocRecoverySupport ? SfxModelFlags::NONE : SfxModelFlags::DISABLE_DOCUMENT_RECOVERY );
  81
  82         Reference< XInterface > xInstance( creationFunc(nCreationFlags ) );
  83
  84         // to mimic the behaviour of the default factory's createInstanceWithArguments, we initialize
  85         // the object with the given arguments, stripped by the three special ones
  86         Sequence< Any > aStrippedArguments( _rArguments.getLength() );
  87         Any* pStrippedArgs = aStrippedArguments.getArray();
  88         Any* pStrippedArgsEnd = ::std::remove_copy_if(
  89             _rArguments.begin(),
  90             _rArguments.end(),
  91             pStrippedArgs,
  92             IsSpecialArgument()
  93         );
  94         aStrippedArguments.realloc( pStrippedArgsEnd - pStrippedArgs );
  95
  96         if ( aStrippedArguments.hasElements() )
  97         {
  98             Reference< XInitialization > xModelInit( xInstance, UNO_QUERY );
  99             OSL_ENSURE( xModelInit.is(), "SfxModelFactory::createInstanceWithArguments: no XInitialization!" );
 100             if ( xModelInit.is() )
 101                 xModelInit->initialize( aStrippedArguments );
 102         }
 103
 104         return xInstance;
 105     }
 106
 107
 108 } // namespace sfx2
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */