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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _PRODUCE_HXX
#define _PRODUCE_HXX

#include <tools/link.hxx>
#include <tools/string.hxx>
#include <tools/list.hxx>
#include <com/sun/star/awt/ImageStatus.hpp>
#include <com/sun/star/awt/XImageConsumer.hpp>
#include <com/sun/star/awt/XImageProducer.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <cppuhelper/weak.hxx>


// -----------------
// - ImageProducer -
// -----------------



class SvStream;
class ImageConsumer;
class Graphic;
class GraphicFilter;

namespace com { namespace sun { namespace star { namespace io {
    class XInputStream;
}}}}


class ImageProducer :	public ::com::sun::star::awt::XImageProducer, 
                        public ::com::sun::star::lang::XInitialization, 
                        public ::cppu::OWeakObject
{
private:

    ::rtl::OUString	maURL;
    List			maConsList;
    Graphic*		mpGraphic;
    SvStream*		mpStm;
    sal_uInt32		mnTransIndex;
    sal_Bool		mbConsInit;
    Link            maDoneHdl;

    sal_Bool		ImplImportGraphic( Graphic& rGraphic );
    void			ImplUpdateData( const Graphic& rGraphic );
    void			ImplInitConsumer( const Graphic& rGraphic );
    void			ImplUpdateConsumer( const Graphic& rGraphic );

public:

                    ImageProducer();
                    ~ImageProducer();

    void			SetImage( const ::rtl::OUString& rPath );
    void			SetImage( SvStream& rStm );

    void			NewDataAvailable();

    void            SetDoneHdl( const Link& i_rHdl ) { maDoneHdl = i_rHdl; }
    const Link&     GetDoneHdl() const { return maDoneHdl; }

    // ::com::sun::star::uno::XInterface
    ::com::sun::star::uno::Any					SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException);
    void										SAL_CALL acquire() throw()	{ OWeakObject::acquire(); }
    void										SAL_CALL release() throw()	{ OWeakObject::release(); }
    
    // MT: ???
    void			setImage( ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > & rStmRef );

    // ::com::sun::star::awt::XImageProducer
    void SAL_CALL addConsumer( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageConsumer >& rxConsumer ) throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL removeConsumer( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageConsumer >& rxConsumer ) throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL startProduction(  ) throw(::com::sun::star::uno::RuntimeException);

    // ::com::sun::star::lang::XInitialization
    void SAL_CALL initialize( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments ) throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);

};

#endif // _PRODUCE_HXX