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       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             : #ifndef INCLUDED_SVX_XMLGRHLP_HXX
      21             : #define INCLUDED_SVX_XMLGRHLP_HXX
      22             : 
      23             : #include <cppuhelper/compbase2.hxx>
      24             : #include <osl/mutex.hxx>
      25             : #include <svtools/grfmgr.hxx>
      26             : #include <vector>
      27             : #include <set>
      28             : #include <utility>
      29             : #include <com/sun/star/document/XGraphicObjectResolver.hpp>
      30             : #include <com/sun/star/document/XBinaryStreamResolver.hpp>
      31             : #include <com/sun/star/embed/XStorage.hpp>
      32             : #include <svx/svxdllapi.h>
      33             : 
      34             : enum SvXMLGraphicHelperMode
      35             : {
      36             :     GRAPHICHELPER_MODE_READ = 0,
      37             :     GRAPHICHELPER_MODE_WRITE = 1
      38             : };
      39             : 
      40           0 : struct SvxGraphicHelperStream_Impl
      41             : {
      42             :     ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage > xStorage;
      43             :     ::com::sun::star::uno::Reference < ::com::sun::star::io::XStream > xStream;
      44             : };
      45             : 
      46             : class SVX_DLLPUBLIC SvXMLGraphicHelper : public ::cppu::WeakComponentImplHelper2<   ::com::sun::star::document::XGraphicObjectResolver,
      47             :                                                                     ::com::sun::star::document::XBinaryStreamResolver >
      48             : {
      49             : private:
      50             : 
      51             :     typedef ::std::pair< OUString, OUString >                                             URLPair;
      52             :     typedef ::std::vector< URLPair >                                                                    URLPairVector;
      53             :     typedef ::std::vector< GraphicObject >                                                              GraphicObjectVector;
      54             :     typedef ::std::set< OUString >                                                               URLSet;
      55             :     typedef ::std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > >    GraphicOutputStreamVector;
      56             : 
      57             :     ::osl::Mutex                maMutex;
      58             :     ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage > mxRootStorage;
      59             :     OUString             maCurStorageName;
      60             :     URLPairVector               maGrfURLs;
      61             :     GraphicObjectVector         maGrfObjs;
      62             :     GraphicOutputStreamVector   maGrfStms;
      63             :     URLSet                      maURLSet;
      64             :     SvXMLGraphicHelperMode      meCreateMode;
      65             :     bool                        mbDirect;
      66             : 
      67             :     SVX_DLLPRIVATE bool                 ImplGetStreamNames( const OUString& rURLStr,
      68             :                                                     OUString& rPictureStorageName,
      69             :                                                     OUString& rPictureStreamName );
      70             :     SVX_DLLPRIVATE css::uno::Reference < css::embed::XStorage >
      71             :                                             ImplGetGraphicStorage( const OUString& rPictureStorageName );
      72             :     SVX_DLLPRIVATE SvxGraphicHelperStream_Impl
      73             :                                             ImplGetGraphicStream( const OUString& rPictureStorageName,
      74             :                                                       const OUString& rPictureStreamName,
      75             :                                                       bool bTruncate );
      76             :     SVX_DLLPRIVATE OUString                 ImplGetGraphicMimeType( const OUString& rFileName ) const;
      77             :     SVX_DLLPRIVATE Graphic                  ImplReadGraphic( const OUString& rPictureStorageName,
      78             :                                                  const OUString& rPictureStreamName );
      79             :     SVX_DLLPRIVATE bool                 ImplWriteGraphic( const OUString& rPictureStorageName,
      80             :                                                   const OUString& rPictureStreamName,
      81             :                                                   const OUString& rGraphicId,
      82             :                                                   bool bUseGfxLink );
      83             :     SVX_DLLPRIVATE void                     ImplInsertGraphicURL( const OUString& rURLStr, sal_uInt32 nInsertPos, OUString& rRequestedFileName );
      84             : 
      85             : protected:
      86             :                                 SvXMLGraphicHelper();
      87             :                                 virtual ~SvXMLGraphicHelper();
      88             :     void                        Init( const ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage >& xXMLStorage,
      89             :                                       SvXMLGraphicHelperMode eCreateMode,
      90             :                                       bool bDirect );
      91             : 
      92             :     virtual void SAL_CALL       disposing() SAL_OVERRIDE;
      93             : 
      94             : public:
      95             :                                 SvXMLGraphicHelper( SvXMLGraphicHelperMode eCreateMode );
      96             : 
      97             :     static SvXMLGraphicHelper*  Create( const ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage >& rXMLStorage,
      98             :                                         SvXMLGraphicHelperMode eCreateMode,
      99             :                                         bool bDirect = true );
     100             :     static SvXMLGraphicHelper*  Create( SvXMLGraphicHelperMode eCreateMode );
     101             : 
     102             :     static void                 Destroy( SvXMLGraphicHelper* pSvXMLGraphicHelper );
     103             : 
     104             : public:
     105             : 
     106             :     // XGraphicObjectResolver
     107             :     virtual OUString SAL_CALL resolveGraphicObjectURL( const OUString& aURL ) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
     108             : 
     109             :     // XBinaryStreamResolver
     110             :     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream( const OUString& rURL ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
     111             :     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL createOutputStream(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
     112             :     virtual OUString SAL_CALL resolveOutputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& rxBinaryStream ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
     113             : };
     114             : 
     115             : #endif
     116             : 
     117             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */