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#ifndef _XMLEOHLP_HXX
#define _XMLEOHLP_HXX

#include <cppuhelper/compbase2.hxx>
#include <osl/mutex.hxx>
#include <sot/storage.hxx>
#include <map>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/document/XEmbeddedObjectResolver.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/embed/XEmbeddedObject.hpp>
#include "svx/svxdllapi.h"

// -----------------------------
// - SvXMLEmbeddedObjectHelper -
// -----------------------------

enum SvXMLEmbeddedObjectHelperMode
{
    EMBEDDEDOBJECTHELPER_MODE_READ = 0,
    EMBEDDEDOBJECTHELPER_MODE_WRITE = 1
};

// -----------------------------
// - SvXMLEmbeddedObjectHelper -
// -----------------------------

namespace comphelper {
class IEmbeddedHelper;
}
class SvGlobalName;
struct OUStringLess;
class OutputStorageWrapper_Impl;

class SVX_DLLPUBLIC SvXMLEmbeddedObjectHelper : public ::cppu::WeakComponentImplHelper2<
    ::com::sun::star::document::XEmbeddedObjectResolver,
    ::com::sun::star::container::XNameAccess >
{
    typedef ::std::map< ::rtl::OUString, OutputStorageWrapper_Impl*,
                         OUStringLess > SvXMLEmbeddedObjectHelper_Impl;
private:

    ::osl::Mutex				maMutex;

    const ::rtl::OUString		maReplacementGraphicsContainerStorageName;
    const ::rtl::OUString		maReplacementGraphicsContainerStorageName60;
    ::rtl::OUString				maCurContainerStorageName;


    com::sun::star::uno::Reference < com::sun::star::embed::XStorage > mxRootStorage;  // package
    ::comphelper::IEmbeddedHelper*             mpDocPersist;
    com::sun::star::uno::Reference < com::sun::star::embed::XStorage > mxContainerStorage; // container sub package for
    com::sun::star::uno::Reference < com::sun::star::embed::XStorage > mxTempStorage;  // package
                                                // objects
    SvXMLEmbeddedObjectHelperMode		meCreateMode;
    SvXMLEmbeddedObjectHelper_Impl		*mpStreamMap;

    SVX_DLLPRIVATE sal_Bool					ImplGetStorageNames(
                                    const ::rtl::OUString& rURLStr,
                                    ::rtl::OUString& rContainerStorageName,
                                    ::rtl::OUString& rObjectStorageName,
                                    sal_Bool bInternalToExternal,
                                       sal_Bool *pGraphicRepl=0,
                                    sal_Bool *pOasisFormat=0 ) const;

    SVX_DLLPRIVATE com::sun::star::uno::Reference < com::sun::star::embed::XStorage > ImplGetContainerStorage(
                                    const ::rtl::OUString& rStorageName );

    SVX_DLLPRIVATE String                      ImplGetUniqueName( ::comphelper::IEmbeddedHelper*, const sal_Char* p ) const;
    SVX_DLLPRIVATE sal_Bool					ImplReadObject(
                                    const ::rtl::OUString& rContainerStorageName,
                                    ::rtl::OUString& rObjName,
                                    const SvGlobalName *pClassId,
                                    SvStream* pTemp );

    SVX_DLLPRIVATE ::rtl::OUString				ImplInsertEmbeddedObjectURL(
                                    const ::rtl::OUString& rURLStr );

    SVX_DLLPRIVATE ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > ImplGetReplacementImage(
                                const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XEmbeddedObject >& xObj );

protected:

                                SvXMLEmbeddedObjectHelper();
                                ~SvXMLEmbeddedObjectHelper();
    void                        Init( const com::sun::star::uno::Reference < com::sun::star::embed::XStorage >&,
                                      ::comphelper::IEmbeddedHelper& rDocPersist,
                                      SvXMLEmbeddedObjectHelperMode eCreateMode );

    virtual void SAL_CALL		disposing();

public:
                                SvXMLEmbeddedObjectHelper(
                                    ::comphelper::IEmbeddedHelper& rDocPersist,
                                    SvXMLEmbeddedObjectHelperMode eCreateMode );

    static SvXMLEmbeddedObjectHelper*	Create(
                                    const com::sun::star::uno::Reference < com::sun::star::embed::XStorage >&,
                                    ::comphelper::IEmbeddedHelper& rDocPersist,
                                    SvXMLEmbeddedObjectHelperMode eCreateMode,
                                    sal_Bool bDirect = sal_True );
    static SvXMLEmbeddedObjectHelper*	Create(
                                    ::comphelper::IEmbeddedHelper& rDocPersist,
                                    SvXMLEmbeddedObjectHelperMode eCreateMode );
    static void					Destroy( SvXMLEmbeddedObjectHelper* pSvXMLEmbeddedObjectHelper );

    void						Flush();

    // XEmbeddedObjectResolver
    virtual ::rtl::OUString SAL_CALL resolveEmbeddedObjectURL( const ::rtl::OUString& aURL ) throw(::com::sun::star::uno::RuntimeException);

    // XNameAccess
    virtual ::com::sun::star::uno::Any SAL_CALL getByName( const ::rtl::OUString& aName ) throw (::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getElementNames(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL hasByName( const ::rtl::OUString& aName ) throw (::com::sun::star::uno::RuntimeException);

    // XNameAccess
    virtual ::com::sun::star::uno::Type SAL_CALL getElementType(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL hasElements(  ) throw (::com::sun::star::uno::RuntimeException);
};

#endif

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