oox/source/ole/axcontrolfragment.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 <oox/ole/axcontrolfragment.hxx>
  21
  22 #include <oox/core/xmlfilterbase.hxx>
  23 #include <oox/helper/attributelist.hxx>
  24 #include <oox/helper/binaryinputstream.hxx>
  25 #include <oox/helper/binaryoutputstream.hxx>
  26 #include <oox/ole/axcontrol.hxx>
  27 #include <oox/ole/olehelper.hxx>
  28 #include <oox/ole/olestorage.hxx>
  29 #include <oox/token/namespaces.hxx>
  30 #include <oox/token/tokens.hxx>
  31
  32 #include <osl/diagnose.h>
  33
  34 namespace oox {
  35 namespace ole {
  36
  37 using namespace ::com::sun::star::io;
  38 using namespace ::com::sun::star::uno;
  39
  40 using ::oox::core::ContextHandler2;
  41 using ::oox::core::ContextHandlerRef;
  42 using ::oox::core::FragmentHandler2;
  43 using ::oox::core::XmlFilterBase;
  44
  45 AxControlPropertyContext::AxControlPropertyContext( FragmentHandler2 const & rFragment, ControlModelBase& rModel ) :
  46     ContextHandler2( rFragment ),
  47     mrModel( rModel ),
  48     mnPropId( XML_TOKEN_INVALID )
  49 {
  50 }
  51
  52 ContextHandlerRef AxControlPropertyContext::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )
  53 {
  54     switch( getCurrentElement() )
  55     {
  56         case AX_TOKEN( ocx ):
  57             if( nElement == AX_TOKEN( ocxPr ) )
  58             {
  59                 mnPropId = rAttribs.getToken( AX_TOKEN( name ), XML_TOKEN_INVALID );
  60                 switch( mnPropId )
  61                 {
  62                     case XML_TOKEN_INVALID:
  63                         return nullptr;
  64                     case XML_Picture:
  65                     case XML_MouseIcon:
  66                         return this;        // import picture path from ax:picture child element
  67                     default:
  68                         mrModel.importProperty( mnPropId, rAttribs.getString( AX_TOKEN( value ), OUString() ) );
  69                 }
  70             }
  71         break;
  72
  73         case AX_TOKEN( ocxPr ):
  74             if( nElement == AX_TOKEN( picture ) )
  75             {
  76                 OUString aPicturePath = getFragmentPathFromRelId( rAttribs.getString( R_TOKEN( id ), OUString() ) );
  77                 if( !aPicturePath.isEmpty() )
  78                 {
  79                     BinaryXInputStream aInStrm( getFilter().openInputStream( aPicturePath ), true );
  80                     mrModel.importPictureData( mnPropId, aInStrm );
  81                 }
  82             }
  83         break;
  84     }
  85     return nullptr;
  86 }
  87
  88 AxControlFragment::AxControlFragment( XmlFilterBase& rFilter, const OUString& rFragmentPath, EmbeddedControl& rControl ) :
  89     FragmentHandler2( rFilter, rFragmentPath, true ),
  90     mrControl( rControl )
  91 {
  92 }
  93
  94 ContextHandlerRef AxControlFragment::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )
  95 {
  96     if( isRootElement() && (nElement == AX_TOKEN( ocx )) )
  97     {
  98         OUString aClassId = rAttribs.getString( AX_TOKEN( classid ), OUString() );
  99         switch( rAttribs.getToken( AX_TOKEN( persistence ), XML_TOKEN_INVALID ) )
 100         {
 101             case XML_persistPropertyBag:
 102                 if( ControlModelBase* pModel = mrControl.createModelFromGuid( aClassId ) )
 103                     return new AxControlPropertyContext( *this, *pModel );
 104             break;
 105
 106             case XML_persistStreamInit:
 107             {
 108                 OUString aFragmentPath = getFragmentPathFromRelId( rAttribs.getString( R_TOKEN( id ), OUString() ) );
 109                 if( !aFragmentPath.isEmpty() )
 110                 {
 111                     BinaryXInputStream aInStrm( getFilter().openInputStream( aFragmentPath ), true );
 112                     if( !aInStrm.isEof() )
 113                     {
 114                         // binary stream contains a copy of the class ID, must be equal to attribute value
 115                         OUString aStrmClassId = OleHelper::importGuid( aInStrm );
 116                         OSL_ENSURE( aClassId.equalsIgnoreAsciiCase( aStrmClassId ),
 117                             "AxControlFragment::importBinaryControl - form control class ID mismatch" );
 118                         if( ControlModelBase* pModel = mrControl.createModelFromGuid( aStrmClassId ) )
 119                             pModel->importBinaryModel( aInStrm );
 120                     }
 121                 }
 122             }
 123             break;
 124
 125             case XML_persistStorage:
 126             {
 127                 OUString aFragmentPath = getFragmentPathFromRelId( rAttribs.getString( R_TOKEN( id ), OUString() ) );
 128                 if( !aFragmentPath.isEmpty() )
 129                 {
 130                     Reference< XInputStream > xStrgStrm = getFilter().openInputStream( aFragmentPath );
 131                     if( xStrgStrm.is() )
 132                     {
 133                         // Try to import as a parent control
 134                         bool bImportedAsParent = false;
 135                         OleStorage aStorage( getFilter().getComponentContext(), xStrgStrm, false );
 136                         BinaryXInputStream aInStrm( aStorage.openInputStream( "f" ), true );
 137                         if( !aInStrm.isEof() )
 138                         {
 139                             if( AxContainerModelBase* pModel = dynamic_cast< AxContainerModelBase* >( mrControl.createModelFromGuid( aClassId ) ) )
 140                             {
 141                                 pModel->importBinaryModel( aInStrm );
 142                                 bImportedAsParent = true;
 143                             }
 144                         }
 145                         // Import it as a non-parent control
 146                         if(!bImportedAsParent)
 147                         {
 148                             BinaryXInputStream aInStrm2(aStorage.openInputStream("contents"), true);
 149                             if (!aInStrm2.isEof())
 150                             {
 151                                 if (ControlModelBase* pModel = mrControl.createModelFromGuid(aClassId))
 152                                 {
 153                                     pModel->importBinaryModel(aInStrm2);
 154                                 }
 155                             }
 156                         }
 157                     }
 158                 }
 159             }
 160             break;
 161         }
 162     }
 163     return nullptr;
 164 }
 165
 166 } // namespace ole
 167 } // namespace oox
 168
 169 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */