xref: /aoo42x/main/sw/inc/ndgrf.hxx (revision cdf0e10c)

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#ifndef _NDGRF_HXX
#define _NDGRF_HXX
#include <sfx2/lnkbase.hxx>
#include <svtools/grfmgr.hxx>
#include <ndnotxt.hxx>
// --> OD, MAV 2005-08-17 #i53025#
#include <com/sun/star/embed/XStorage.hpp>
// <--
// --> OD 2007-03-28 #i73788#
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
class SwAsyncRetrieveInputStreamThreadConsumer;
// <--

class SwGrfFmtColl;
class SwDoc;
class GraphicAttr;
class SvStorage;
// --------------------
// SwGrfNode
// --------------------
class SW_DLLPUBLIC SwGrfNode: public SwNoTxtNode
{
	friend class SwNodes;

	GraphicObject aGrfObj;
    ::sfx2::SvBaseLinkRef refLink;       // falls Grafik nur als Link, dann Pointer gesetzt
	Size nGrfSize;
//	String aStrmName;			// SW3: Name des Storage-Streams fuer Embedded
	String aNewStrmName;		// SW3/XML: new stream name (either SW3 stream
								// name or package url)
	String aLowResGrf;			// HTML: LowRes Grafik (Ersatzdarstellung bis
								// 		die normale (HighRes) geladen ist.
	sal_Bool bTransparentFlagValid	:1;
	sal_Bool bInSwapIn				:1;

	sal_Bool bGrafikArrived			:1;
	sal_Bool bChgTwipSize			:1;
	sal_Bool bChgTwipSizeFromPixel	:1;
	sal_Bool bLoadLowResGrf			:1;
	sal_Bool bFrameInPaint			:1;	//Um Start-/EndActions im Paint (ueber
									//SwapIn zu verhindern.
	sal_Bool bScaleImageMap	 		:1; //Image-Map in SetTwipSize skalieren

    // --> OD 2007-01-19 #i73788#
    boost::shared_ptr< SwAsyncRetrieveInputStreamThreadConsumer > mpThreadConsumer;
    bool mbLinkedInputStreamReady;
    com::sun::star::uno::Reference<com::sun::star::io::XInputStream> mxInputStream;
    sal_Bool mbIsStreamReadOnly;
    // <--

	SwGrfNode( const SwNodeIndex& rWhere,
			   const String& rGrfName, const String& rFltName,
			   const Graphic* pGraphic,
			   SwGrfFmtColl* pGrfColl,
			   SwAttrSet* pAutoAttr = 0 );
	// Ctor fuer Einlesen (SW/G) ohne Grafik
	SwGrfNode( const SwNodeIndex& rWhere,
			   const String& rGrfName, const String& rFltName,
			   SwGrfFmtColl* pGrfColl,
			   SwAttrSet* pAutoAttr = 0 );
	SwGrfNode( const SwNodeIndex& rWhere,
			   const GraphicObject& rGrfObj,
			   SwGrfFmtColl* pGrfColl,
			   SwAttrSet* pAutoAttr = 0 );

	void InsertLink( const String& rGrfName, const String& rFltName );
	sal_Bool ImportGraphic( SvStream& rStrm );
	sal_Bool HasStreamName() const { return aGrfObj.HasUserData(); }
    // --> OD 2005-05-04 #i48434# - adjust return type and rename method to
    // indicate that its an private one.
    // --> OD 2005-08-17 #i53025#
    // embedded graphic stream couldn't be inside a 3.1 - 5.2 storage any more.
    // Thus, return value isn't needed any more.
    void _GetStreamStorageNames( String& rStrmName, String& rStgName ) const;
    // <--
	void DelStreamName();
	DECL_LINK( SwapGraphic, GraphicObject* );

    /** helper method to determine stream for the embedded graphic.

        OD 2005-05-04 #i48434#
        Important note: caller of this method has to handle the thrown exceptions
        OD, MAV 2005-08-17 #i53025#
        Storage, which should contain the stream of the embedded graphic, is
        provided via parameter. Otherwise the returned stream will be closed
        after the the method returns, because its parent stream is closed and deleted.
        Proposed name of embedded graphic stream is also provided by parameter.

        @author OD

        @param _refPics
        input parameter - reference to storage, which should contain the
        embedded graphic stream.

        @param _aStrmName
        input parameter - proposed name of the embedded graphic stream.

        @return SvStream*
        new created stream of the embedded graphic, which has to be destroyed
        after its usage. Could be NULL, if the stream isn't found.
    */
    SvStream* _GetStreamForEmbedGrf(
            const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& _refPics,
            String& _aStrmName ) const;

    /** helper method to get a substorage of the document storage for readonly access.

        OD, MAV 2005-08-17 #i53025#
        A substorage with the specified name will be opened readonly. If the provided
        name is empty the root storage will be returned.

        @param _aStgName
        input parameter - name of substorage. Can be empty.

        @return XStorage
        reference to substorage or the root storage
    */
    ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage > _GetDocSubstorageOrRoot(
                                                const String& aStgName ) const;

public:
	virtual ~SwGrfNode();
	const Graphic& 			GetGrf() const  	{ return aGrfObj.GetGraphic(); }
	const GraphicObject&	GetGrfObj() const  	{ return aGrfObj; }
		  GraphicObject&	GetGrfObj() 		{ return aGrfObj; }

    virtual SwCntntNode *SplitCntntNode( const SwPosition & );

	virtual Size GetTwipSize() const;
#ifndef _FESHVIEW_ONLY_INLINE_NEEDED
	void SetTwipSize( const Size& rSz );

	sal_Bool IsTransparent() const;

	inline sal_Bool IsAnimated() const				{ return aGrfObj.IsAnimated(); }

	inline sal_Bool IsChgTwipSize() const			{ return bChgTwipSize; }
	inline sal_Bool IsChgTwipSizeFromPixel() const	{ return bChgTwipSizeFromPixel; }
	inline void SetChgTwipSize( sal_Bool b, sal_Bool bFromPx=sal_False ) 		{ bChgTwipSize = b; bChgTwipSizeFromPixel = bFromPx; }

	inline sal_Bool IsGrafikArrived() const			{ return bGrafikArrived; }
	inline void SetGrafikArrived( sal_Bool b ) 		{ bGrafikArrived = b; }

	inline sal_Bool IsFrameInPaint() const			{ return bFrameInPaint; }
	inline void SetFrameInPaint( sal_Bool b )		{ bFrameInPaint = b; }

	inline sal_Bool IsScaleImageMap() const			{ return bScaleImageMap; }
	inline void SetScaleImageMap( sal_Bool b )		{ bScaleImageMap = b; }
#endif
		// steht in ndcopy.cxx
	virtual SwCntntNode* MakeCopy( SwDoc*, const SwNodeIndex& ) const;
#ifndef _FESHVIEW_ONLY_INLINE_NEEDED

    // erneutes Einlesen, falls Graphic nicht Ok ist. Die
    // aktuelle wird durch die neue ersetzt.
	sal_Bool ReRead( const String& rGrfName, const String& rFltName,
                 const Graphic* pGraphic = 0,
                 const GraphicObject* pGrfObj = 0,
                 sal_Bool bModify = sal_True );
    // Laden der Grafik unmittelbar vor der Anzeige
	short SwapIn( sal_Bool bWaitForData = sal_False );
		// Entfernen der Grafik, um Speicher freizugeben
	short SwapOut();
		// Zugriff auf den Storage-Streamnamen
	void SetStreamName( const String& r ) { aGrfObj.SetUserData( r ); }
	void SetNewStreamName( const String& r ) { aNewStrmName = r; }
	// is this node selected by any shell?
	sal_Bool IsSelected() const;
#endif

		// Der Grafik sagen, dass sich der Node im Undobereich befindet
	virtual sal_Bool SavePersistentData();
	virtual sal_Bool RestorePersistentData();

#ifndef _FESHVIEW_ONLY_INLINE_NEEDED
		// Abfrage der Link-Daten
	sal_Bool IsGrfLink() const 					{ return refLink.Is(); }
	inline sal_Bool IsLinkedFile() const;
	inline sal_Bool IsLinkedDDE() const;
    ::sfx2::SvBaseLinkRef GetLink() const    { return refLink; }
	sal_Bool GetFileFilterNms( String* pFileNm, String* pFilterNm ) const;
	void ReleaseLink();

	// Skalieren einer Image-Map: Die Image-Map wird um den Faktor
	// zwischen Grafik-Groesse und Rahmen-Groesse vergroessert/verkleinert
	void ScaleImageMap();

	// returns the with our graphic attributes filled Graphic-Attr-Structure
	GraphicAttr& GetGraphicAttr( GraphicAttr&, const SwFrm* pFrm ) const;

#endif
    // --> OD 2007-01-18 #i73788#
    boost::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > GetThreadConsumer();
    bool IsLinkedInputStreamReady() const;
    void TriggerAsyncRetrieveInputStream();
    void ApplyInputStream(
        com::sun::star::uno::Reference<com::sun::star::io::XInputStream> xInputStream,
        const sal_Bool bIsStreamReadOnly );
    void UpdateLinkWithInputStream();
    // <--
    // --> OD 2008-07-21 #i90395#
    bool IsAsyncRetrieveInputStreamPossible() const;
    // <--
};


// ----------------------------------------------------------------------
// Inline Metoden aus Node.hxx - erst hier ist der TxtNode bekannt !!
inline       SwGrfNode	 *SwNode::GetGrfNode()
{
	 return ND_GRFNODE == nNodeType ? (SwGrfNode*)this : 0;
}
inline const SwGrfNode   *SwNode::GetGrfNode() const
{
	 return ND_GRFNODE == nNodeType ? (const SwGrfNode*)this : 0;
}

#ifndef _FESHVIEW_ONLY_INLINE_NEEDED
inline sal_Bool SwGrfNode::IsLinkedFile() const
{
	return refLink.Is() && OBJECT_CLIENT_GRF == refLink->GetObjType();
}
inline sal_Bool SwGrfNode::IsLinkedDDE() const
{
	return refLink.Is() && OBJECT_CLIENT_DDE == refLink->GetObjType();
}
#endif


#endif