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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef _XMLGRHLP_HXX
#define _XMLGRHLP_HXX
#include <cppuhelper/compbase2.hxx>
#include <osl/mutex.hxx>
#include <svtools/GraphicObject.hxx>
#include <vector>
#include <set>
#include <utility>
#include <com/sun/star/document/XGraphicObjectResolver.hpp>
#include <com/sun/star/document/XBinaryStreamResolver.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include "svx/svxdllapi.h"
// ----------------------
// - SvXMLGraphicHelper -
// ----------------------
enum SvXMLGraphicHelperMode
{
GRAPHICHELPER_MODE_READ = 0,
GRAPHICHELPER_MODE_WRITE = 1
};
// ----------------------
// - SvXMLGraphicHelper -
// ----------------------
struct SvxGraphicHelperStream_Impl
{
::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage > xStorage;
::com::sun::star::uno::Reference < ::com::sun::star::io::XStream > xStream;
};
class SVX_DLLPUBLIC SvXMLGraphicHelper : public ::cppu::WeakComponentImplHelper2< ::com::sun::star::document::XGraphicObjectResolver,
::com::sun::star::document::XBinaryStreamResolver >
{
private:
typedef ::std::pair< OUString, OUString > URLPair;
typedef ::std::vector< URLPair > URLPairVector;
typedef ::std::vector< GraphicObject > GraphicObjectVector;
typedef ::std::set< OUString > URLSet;
typedef ::std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > > GraphicOutputStreamVector;
::osl::Mutex maMutex;
::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage > mxRootStorage;
OUString maCurStorageName;
URLPairVector maGrfURLs;
GraphicObjectVector maGrfObjs;
GraphicOutputStreamVector maGrfStms;
URLSet maURLSet;
SvXMLGraphicHelperMode meCreateMode;
sal_Bool mbDirect;
SVX_DLLPRIVATE sal_Bool ImplGetStreamNames( const OUString& rURLStr,
OUString& rPictureStorageName,
OUString& rPictureStreamName );
SVX_DLLPRIVATE ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage > ImplGetGraphicStorage( const OUString& rPictureStorageName );
SVX_DLLPRIVATE SvxGraphicHelperStream_Impl ImplGetGraphicStream( const OUString& rPictureStorageName,
const OUString& rPictureStreamName,
sal_Bool bTruncate );
SVX_DLLPRIVATE String ImplGetGraphicMimeType( const String& rFileName ) const;
SVX_DLLPRIVATE Graphic ImplReadGraphic( const OUString& rPictureStorageName,
const OUString& rPictureStreamName );
SVX_DLLPRIVATE sal_Bool ImplWriteGraphic( const OUString& rPictureStorageName,
const OUString& rPictureStreamName,
const OUString& rGraphicId,
bool bUseGfxLink );
SVX_DLLPRIVATE void ImplInsertGraphicURL( const OUString& rURLStr, sal_uInt32 nInsertPos, OUString& rRequestedFileName );
protected:
SvXMLGraphicHelper();
~SvXMLGraphicHelper();
void Init( const ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage >& xXMLStorage,
SvXMLGraphicHelperMode eCreateMode,
sal_Bool bDirect );
virtual void SAL_CALL disposing();
public:
SvXMLGraphicHelper( SvXMLGraphicHelperMode eCreateMode );
static SvXMLGraphicHelper* Create( const ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage >& rXMLStorage,
SvXMLGraphicHelperMode eCreateMode,
sal_Bool bDirect = sal_True );
static SvXMLGraphicHelper* Create( SvXMLGraphicHelperMode eCreateMode );
static void Destroy( SvXMLGraphicHelper* pSvXMLGraphicHelper );
public:
// XGraphicObjectResolver
virtual OUString SAL_CALL resolveGraphicObjectURL( const OUString& aURL ) throw(::com::sun::star::uno::RuntimeException);
// XBinaryStreamResolver
virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream( const OUString& rURL ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL createOutputStream( ) throw (::com::sun::star::uno::RuntimeException);
virtual OUString SAL_CALL resolveOutputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& rxBinaryStream ) throw (::com::sun::star::uno::RuntimeException);
};
// for instantiation via service manager
namespace svx
{
/** Create this with createInstanceWithArguments. service name
"com.sun.star.comp.Svx.GraphicImportHelper", one argument which is the
XStorage. Without arguments no helper class is created. With an empty
argument the helper class is created and initialized like in the CTOR to
SvXMLGraphicHelper that only gets the create mode.
You should call dispose after you no longer need this component.
uses eCreateMode == GRAPHICHELPER_MODE_READ, bDirect == sal_True in
SvXMLGraphicHelper
*/
SVX_DLLPUBLIC ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL SvXMLGraphicImportHelper_createInstance(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > & rSMgr) throw( ::com::sun::star::uno::Exception );
SVX_DLLPUBLIC ::com::sun::star::uno::Sequence< OUString > SAL_CALL SvXMLGraphicImportHelper_getSupportedServiceNames() throw();
SVX_DLLPUBLIC OUString SAL_CALL SvXMLGraphicImportHelper_getImplementationName() throw();
/** Create this with createInstanceWithArguments. service name
"com.sun.star.comp.Svx.GraphicExportHelper", one argument which is the
XStorage. Without arguments no helper class is created. With an empty
argument the helper class is created and initialized like in the CTOR to
SvXMLGraphicHelper that only gets the create mode
To write the Pictures stream, you have to call dispose at this component.
Make sure you call dipose before you commit the parent storage.
uses eCreateMode == GRAPHICHELPER_MODE_WRITE, bDirect == sal_True in
SvXMLGraphicHelper
*/
SVX_DLLPUBLIC ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL SvXMLGraphicExportHelper_createInstance(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > & rSMgr) throw( ::com::sun::star::uno::Exception );
SVX_DLLPUBLIC ::com::sun::star::uno::Sequence< OUString > SAL_CALL SvXMLGraphicExportHelper_getSupportedServiceNames() throw();
SVX_DLLPUBLIC OUString SAL_CALL SvXMLGraphicExportHelper_getImplementationName() throw();
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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