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