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 * $RCSfile: unoedprx.hxx,v $
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#ifndef _SVX_UNOEDPRX_HXX
#define _SVX_UNOEDPRX_HXX

#include <memory>
#include <svl/brdcst.hxx>
#include <editeng/unoedsrc.hxx>

#include <editeng/editdata.hxx>


class SvxAccessibleTextAdapter : public SvxTextForwarder
{
public:
    SvxAccessibleTextAdapter();
    virtual	~SvxAccessibleTextAdapter();

    virtual USHORT			GetParagraphCount() const;
    virtual USHORT			GetTextLen( USHORT nParagraph ) const;
    virtual String			GetText( const ESelection& rSel ) const;
    virtual SfxItemSet		GetAttribs( const ESelection& rSel, BOOL bOnlyHardAttrib = 0 ) const;
    virtual	SfxItemSet		GetParaAttribs( USHORT nPara ) const;
    virtual void			SetParaAttribs( USHORT nPara, const SfxItemSet& rSet );
    virtual void            RemoveAttribs( const ESelection& rSelection, sal_Bool bRemoveParaAttribs, sal_uInt16 nWhich );
    virtual void            GetPortions( USHORT nPara, SvUShorts& rList ) const;

    virtual USHORT			GetItemState( const ESelection& rSel, USHORT nWhich ) const;
    virtual USHORT			GetItemState( USHORT nPara, USHORT nWhich ) const;

    virtual void			QuickInsertText( const String& rText, const ESelection& rSel );
    virtual void			QuickInsertField( const SvxFieldItem& rFld, const ESelection& rSel );
    virtual void			QuickSetAttribs( const SfxItemSet& rSet, const ESelection& rSel );
    virtual void			QuickInsertLineBreak( const ESelection& rSel );

    virtual SfxItemPool* 	GetPool() const;

    virtual XubString    	CalcFieldValue( const SvxFieldItem& rField, USHORT nPara, USHORT nPos, Color*& rpTxtColor, Color*& rpFldColor );
    virtual BOOL			IsValid() const;

    virtual LanguageType 	GetLanguage( USHORT, USHORT ) const;
    virtual USHORT			GetFieldCount( USHORT nPara ) const;
    virtual EFieldInfo		GetFieldInfo( USHORT nPara, USHORT nField ) const;
    virtual EBulletInfo     GetBulletInfo( USHORT nPara ) const;
    virtual Rectangle		GetCharBounds( USHORT nPara, USHORT nIndex ) const;
    virtual Rectangle		GetParaBounds( USHORT nPara ) const;
    virtual MapMode			GetMapMode() const;
    virtual OutputDevice*	GetRefDevice() const;
    virtual sal_Bool		GetIndexAtPoint( const Point&, USHORT& nPara, USHORT& nIndex ) const;
    virtual sal_Bool		GetWordIndices( USHORT nPara, USHORT nIndex, USHORT& nStart, USHORT& nEnd ) const;
    virtual sal_Bool 		GetAttributeRun( USHORT& nStartIndex, USHORT& nEndIndex, USHORT nPara, USHORT nIndex ) const;
    virtual USHORT			GetLineCount( USHORT nPara ) const;
    virtual USHORT			GetLineLen( USHORT nPara, USHORT nLine ) const;
    virtual void            GetLineBoundaries( /*out*/USHORT &rStart, /*out*/USHORT &rEnd, USHORT nParagraph, USHORT nLine ) const;
    virtual USHORT          GetLineNumberAtIndex( USHORT nPara, USHORT nIndex ) const;
    
    virtual sal_Bool        Delete( const ESelection& );
    virtual sal_Bool		InsertText( const String&, const ESelection& );
    virtual sal_Bool		QuickFormatDoc( BOOL bFull=FALSE );
    virtual sal_Int16		GetDepth( USHORT nPara ) const;
    virtual sal_Bool		SetDepth( USHORT nPara, sal_Int16 nNewDepth );

    virtual const SfxItemSet*   GetEmptyItemSetPtr();

    // implementation functions for XParagraphAppend and XTextPortionAppend
    // (not needed for accessibility, only for new import API)
    virtual void        AppendParagraph();
    virtual xub_StrLen  AppendTextPortion( USHORT nPara, const String &rText, const SfxItemSet &rSet );

    //XTextCopy
    virtual void        CopyText(const SvxTextForwarder& rSource); 
    
    void                    SetForwarder( SvxTextForwarder& );
    sal_Bool			  	HaveImageBullet( USHORT nPara ) const;
    sal_Bool			  	HaveTextBullet( USHORT nPara ) const;

    /** Query whether all text in given selection is editable

        @return sal_True if every character in the given selection can
        be changed, and sal_False if e.g. a field or a bullet is
        contained therein.
     */
    sal_Bool				IsEditable( const ESelection& rSelection );

private:
    SvxTextForwarder* mrTextForwarder;
};

class SvxAccessibleTextEditViewAdapter : public SvxEditViewForwarder
{
public:

                        SvxAccessibleTextEditViewAdapter();
    virtual				~SvxAccessibleTextEditViewAdapter();

    // SvxViewForwarder interface
    virtual BOOL		IsValid() const;
    virtual Rectangle	GetVisArea() const;
    virtual Point		LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const;
    virtual Point		PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const;

    // SvxEditViewForwarder interface
    virtual sal_Bool	GetSelection( ESelection& rSelection ) const;
    virtual sal_Bool	SetSelection( const ESelection& rSelection );
    virtual sal_Bool	Copy();
    virtual sal_Bool	Cut();
    virtual sal_Bool    Paste();

    void 				SetForwarder( SvxEditViewForwarder&, SvxAccessibleTextAdapter& );

private:
    SvxEditViewForwarder* 		mrViewForwarder;
    SvxAccessibleTextAdapter*	mrTextForwarder;
};

class SvxEditSourceAdapter : public SvxEditSource
{
public:
    SvxEditSourceAdapter();
    ~SvxEditSourceAdapter();

    virtual SvxEditSource*						Clone() const;
    virtual SvxTextForwarder*					GetTextForwarder();
    SvxAccessibleTextAdapter*					GetTextForwarderAdapter(); // covariant return types don't work on MSVC
     virtual SvxViewForwarder*					GetViewForwarder();
     virtual SvxEditViewForwarder*				GetEditViewForwarder( sal_Bool bCreate = sal_False );
     SvxAccessibleTextEditViewAdapter*			GetEditViewForwarderAdapter( sal_Bool bCreate = sal_False ); // covariant return types don't work on MSVC
    virtual void								UpdateData();
    virtual SfxBroadcaster&						GetBroadcaster() const;

    void		SetEditSource( ::std::auto_ptr< SvxEditSource > pAdaptee );
    sal_Bool	IsValid() const;

private:
    // declared, but not defined
    SvxEditSourceAdapter( const SvxEditSourceAdapter& );
    SvxEditSourceAdapter& operator= ( const SvxEditSourceAdapter& );

    ::std::auto_ptr< SvxEditSource > 	mpAdaptee;

    SvxAccessibleTextAdapter			maTextAdapter;
    SvxAccessibleTextEditViewAdapter 	maEditViewAdapter;

    mutable SfxBroadcaster				maDummyBroadcaster;

    sal_Bool							mbEditSourceValid;
};

#endif