/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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 *************************************************************/



#ifndef _SD_SDXFER_HXX
#define _SD_SDXFER_HXX

#include <svtools/transfer.hxx>
#include <vcl/graph.hxx>
#include <sfx2/objsh.hxx>
#include <svl/lstner.hxx>

// ------------------
// - SdTransferable -
// ------------------

class SdDrawDocument;
class SdrObject;
class INetBookmark;
class ImageMap;
class VirtualDevice;

namespace sd {
class DrawDocShell;
class View;
}

class SfxObjectShellRef;
class SdTransferable : public TransferableHelper, public SfxListener
{
public:

									SdTransferable( SdDrawDocument* pSrcDoc, ::sd::View* pWorkView, sal_Bool bInitOnGetData );
									~SdTransferable();

    void                            SetDocShell( const SfxObjectShellRef& rRef ) { maDocShellRef = rRef; }
    const SfxObjectShellRef&        GetDocShell() const { return maDocShellRef; }

    void							SetWorkDocument( const SdDrawDocument* pWorkDoc ) { mpSdDrawDocument = mpSdDrawDocumentIntern = (SdDrawDocument*) pWorkDoc; }
	const SdDrawDocument*			GetWorkDocument() const { return mpSdDrawDocument; }

	void							SetView( const ::sd::View* pView ) { mpSdView = pView; }
	const ::sd::View*					GetView() const { return mpSdView; }

	void							SetObjectDescriptor( const TransferableObjectDescriptor& rObjDesc );

	void							SetStartPos( const Point& rStartPos ) { maStartPos = rStartPos; }
	const Point&					GetStartPos() const { return maStartPos; }

	void							SetInternalMove( sal_Bool bSet ) { mbInternalMove = bSet; }
	sal_Bool							IsInternalMove() const { return mbInternalMove; }

	sal_Bool							HasSourceDoc( const SdDrawDocument* pDoc ) const { return( mpSourceDoc == pDoc ); }

	void							SetPageBookmarks( const List& rPageBookmarks, sal_Bool bPersistent );
    sal_Bool                            IsPageTransferable() const { return mbPageTransferable; }
    sal_Bool                            HasPageBookmarks() const { return( mpPageDocShell && ( maPageBookmarks.Count() > 0 ) ); }
    const List&                     GetPageBookmarks() const { return maPageBookmarks; }
	::sd::DrawDocShell*         		GetPageDocShell() const { return mpPageDocShell; }

	sal_Bool						SetTableRTF( SdDrawDocument*, const ::com::sun::star::datatransfer::DataFlavor& );

	static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();
    static SdTransferable*          getImplementation( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rxData ) throw();

	// SfxListener
	virtual void			Notify( SfxBroadcaster& rBC, const SfxHint& rHint );

    virtual void					DragFinished( sal_Int8 nDropAction );
    SdDrawDocument*					GetSourceDoc (void) const;

    /** User data objects can be used to store information temporarily
        at the transferable.  The slide sorter uses this to store
        previews of the slides that are referenced by the
        transferable.
    */
    class UserData {public:virtual~UserData(){}};

    /** Add a user data object.  When it was added before (and not
        removed) then this call is ignored.
    */
    void AddUserData (const ::boost::shared_ptr<UserData>& rpData);

    /** Remove a previously added user data object.  When the object
        was never added or removed before then this call is ignored.
    */
    void RemoveUserData (const ::boost::shared_ptr<UserData>& rpData);

    /** Return the number of user data objects.
    */
    sal_Int32 GetUserDataCount (void) const;

    /** Return the specified user data object.  When the index is not
        valid, ie not in the range [0,count) then an empty pointer is
        returned.
    */
    ::boost::shared_ptr<UserData> GetUserData (const sal_Int32 nIndex) const;
    
protected:

	virtual void					AddSupportedFormats();
	virtual sal_Bool				GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
	virtual sal_Bool				WriteObject( SotStorageStreamRef& rxOStm, void* pUserObject, sal_uInt32 nUserObjectId, const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
	virtual void					ObjectReleased();

    virtual sal_Int64 SAL_CALL      getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw( ::com::sun::star::uno::RuntimeException );

private:

    SfxObjectShellRef				maDocShellRef;
    ::sd::DrawDocShell*				mpPageDocShell;
    List                            maPageBookmarks;
	TransferableDataHelper*			mpOLEDataHelper;
	TransferableObjectDescriptor*	mpObjDesc;
	const ::sd::View*				mpSdView;
	::sd::View*						mpSdViewIntern;
	SdDrawDocument* 				mpSdDrawDocument;
	SdDrawDocument* 				mpSdDrawDocumentIntern;
	SdDrawDocument* 				mpSourceDoc;
	VirtualDevice*					mpVDev;
	INetBookmark*	  				mpBookmark;
	Graphic*						mpGraphic;
	ImageMap*						mpImageMap;
	Rectangle						maVisArea;
	Point							maStartPos;
	sal_Bool							mbInternalMove               : 1;
	sal_Bool							mbOwnDocument                : 1;
	sal_Bool							mbOwnView                    : 1;
	sal_Bool							mbLateInit                   : 1;
    sal_Bool                            mbPageTransferable           : 1;
    sal_Bool                            mbPageTransferablePersistent : 1;
	bool							mbIsUnoObj					: 1;
    ::std::vector<boost::shared_ptr<UserData> > maUserData;

									// not available
									SdTransferable();
									SdTransferable( const SdTransferable& );
	SdTransferable&					operator=( const SdTransferable& );

	void							CreateObjectReplacement( SdrObject* pObj );
	void							CreateData();

};

#endif // _SD_SDXFER_HXX