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/binaryinputstream.hxx"
  24 #include "oox/helper/binaryoutputstream.hxx"
  25 #include "oox/ole/axcontrol.hxx"
  26 #include "oox/ole/olehelper.hxx"
  27 #include "oox/ole/olestorage.hxx"
  28
  29 namespace oox {
  30 namespace ole {
  31
  32 // ============================================================================
  33
  34 using namespace ::com::sun::star::io;
  35 using namespace ::com::sun::star::uno;
  36
  37 using ::oox::core::ContextHandler2;
  38 using ::oox::core::ContextHandlerRef;
  39 using ::oox::core::FragmentHandler2;
  40 using ::oox::core::XmlFilterBase;
  41
  42 // ============================================================================
  43
  44 AxControlPropertyContext::AxControlPropertyContext( FragmentHandler2& rFragment, ControlModelBase& rModel ) :
  45     ContextHandler2( rFragment ),
  46     mrModel( rModel ),
  47     mnPropId( XML_TOKEN_INVALID )
  48 {
  49 }
  50
  51 ContextHandlerRef AxControlPropertyContext::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )
  52 {
  53     switch( getCurrentElement() )
  54     {
  55         case AX_TOKEN( ocx ):
  56             if( nElement == AX_TOKEN( ocxPr ) )
  57             {
  58                 mnPropId = rAttribs.getToken( AX_TOKEN( name ), XML_TOKEN_INVALID );
  59                 switch( mnPropId )
  60                 {
  61                     case XML_TOKEN_INVALID:
  62                         return 0;
  63                     case XML_Picture:
  64                     case XML_MouseIcon:
  65                         return this;        // import picture path from ax:picture child element
  66                     default:
  67                         mrModel.importProperty( mnPropId, rAttribs.getString( AX_TOKEN( value ), OUString() ) );
  68                 }
  69             }
  70         break;
  71
  72         case AX_TOKEN( ocxPr ):
  73             if( nElement == AX_TOKEN( picture ) )
  74             {
  75                 OUString aPicturePath = getFragmentPathFromRelId( rAttribs.getString( R_TOKEN( id ), OUString() ) );
  76                 if( !aPicturePath.isEmpty() )
  77                 {
  78                     BinaryXInputStream aInStrm( getFilter().openInputStream( aPicturePath ), true );
  79                     mrModel.importPictureData( mnPropId, aInStrm );
  80                 }
  81             }
  82         break;
  83     }
  84     return 0;
  85 }
  86
  87 // ============================================================================
  88
  89 AxControlFragment::AxControlFragment( XmlFilterBase& rFilter, const OUString& rFragmentPath, EmbeddedControl& rControl ) :
  90     FragmentHandler2( rFilter, rFragmentPath, true ),
  91     mrControl( rControl )
  92 {
  93 }
  94
  95 ContextHandlerRef AxControlFragment::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )
  96 {
  97     if( isRootElement() && (nElement == AX_TOKEN( ocx )) )
  98     {
  99         OUString aClassId = rAttribs.getString( AX_TOKEN( classid ), OUString() );
 100         switch( rAttribs.getToken( AX_TOKEN( persistence ), XML_TOKEN_INVALID ) )
 101         {
 102             case XML_persistPropertyBag:
 103                 if( ControlModelBase* pModel = mrControl.createModelFromGuid( aClassId ) )
 104                     return new AxControlPropertyContext( *this, *pModel );
 105             break;
 106
 107             case XML_persistStreamInit:
 108             {
 109                 OUString aFragmentPath = getFragmentPathFromRelId( rAttribs.getString( R_TOKEN( id ), OUString() ) );
 110                 if( !aFragmentPath.isEmpty() )
 111                 {
 112                     BinaryXInputStream aInStrm( getFilter().openInputStream( aFragmentPath ), true );
 113                     if( !aInStrm.isEof() )
 114                     {
 115                         // binary stream contains a copy of the class ID, must be equal to attribute value
 116                         OUString aStrmClassId = OleHelper::importGuid( aInStrm );
 117                         OSL_ENSURE( aClassId.equalsIgnoreAsciiCase( aStrmClassId ),
 118                             "AxControlFragment::importBinaryControl - form control class ID mismatch" );
 119                         if( ControlModelBase* pModel = mrControl.createModelFromGuid( aStrmClassId ) )
 120                             pModel->importBinaryModel( aInStrm );
 121                     }
 122                 }
 123             }
 124             break;
 125
 126             case XML_persistStorage:
 127             {
 128                 OUString aFragmentPath = getFragmentPathFromRelId( rAttribs.getString( R_TOKEN( id ), OUString() ) );
 129                 if( !aFragmentPath.isEmpty() )
 130                 {
 131                     Reference< XInputStream > xStrgStrm = getFilter().openInputStream( aFragmentPath );
 132                     if( xStrgStrm.is() )
 133                     {
 134                         OleStorage aStorage( getFilter().getComponentContext(), xStrgStrm, false );
 135                         BinaryXInputStream aInStrm( aStorage.openInputStream( "f" ), true );
 136                         if( !aInStrm.isEof() )
 137                             if( AxContainerModelBase* pModel = dynamic_cast< AxContainerModelBase* >( mrControl.createModelFromGuid( aClassId ) ) )
 138                                 pModel->importBinaryModel( aInStrm );
 139                     }
 140                 }
 141             }
 142             break;
 143         }
 144     }
 145     return 0;
 146 }
 147
 148 // ============================================================================
 149
 150 } // namespace ole
 151 } // namespace oox
 152
 153 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */