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 * Copyright 2008 by Sun Microsystems, Inc.
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 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: chartlis.hxx,v $
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#ifndef SC_CHARTLIS_HXX
#define SC_CHARTLIS_HXX


#include <vcl/timer.hxx>
#include <svl/listener.hxx>
#include "collect.hxx"
#include "rangelst.hxx"
#include "token.hxx"
#include "externalrefmgr.hxx"

#include <memory>
#include <vector>
#include <list>
#include <hash_set>

class ScDocument;
class ScChartUnoData;
#include <com/sun/star/chart/XChartData.hpp>
#include <com/sun/star/chart/XChartDataChangeEventListener.hpp>

class ScChartListener : public StrData, public SvtListener
{
public:
    class ExternalRefListener : public ScExternalRefManager::LinkListener
    {
    public:
        ExternalRefListener(ScChartListener& rParent, ScDocument* pDoc);
        virtual ~ExternalRefListener();
        virtual void notify(sal_uInt16 nFileId, ScExternalRefManager::LinkUpdateType eType);
        void addFileId(sal_uInt16 nFileId);
        void removeFileId(sal_uInt16 nFileId);
        ::std::hash_set<sal_uInt16>& getAllFileIds();

    private:
        ExternalRefListener();
        ExternalRefListener(const ExternalRefListener& r);

        ScChartListener& mrParent;
        ::std::hash_set<sal_uInt16> maFileIds;
        ScDocument*                 mpDoc;
    };

private:

    ::std::auto_ptr<ExternalRefListener>                mpExtRefListener;
    ::std::auto_ptr< ::std::vector<ScSharedTokenRef> >  mpTokens;

    ScChartUnoData* pUnoData;
    ScDocument*     pDoc;
    BOOL            bUsed;  // fuer ScChartListenerCollection::FreeUnused
    BOOL            bDirty;
    BOOL            bSeriesRangesScheduled;

                    // not implemented
    ScChartListener& operator=( const ScChartListener& );

public:
                    ScChartListener( const String& rName, ScDocument* pDoc,
                                     const ScRange& rRange );
                    ScChartListener( const String& rName, ScDocument* pDoc,
                                     const ScRangeListRef& rRangeListRef );
                    ScChartListener( const String& rName, ScDocument* pDoc,
                                     ::std::vector<ScSharedTokenRef>* pTokens );
                    ScChartListener( const ScChartListener& );
    virtual         ~ScChartListener();
    virtual ScDataObject*   Clone() const;

    void            SetUno( const com::sun::star::uno::Reference< com::sun::star::chart::XChartDataChangeEventListener >& rListener,
                            const com::sun::star::uno::Reference< com::sun::star::chart::XChartData >& rSource );
    com::sun::star::uno::Reference< com::sun::star::chart::XChartDataChangeEventListener >  GetUnoListener() const;
    com::sun::star::uno::Reference< com::sun::star::chart::XChartData >                     GetUnoSource() const;

    BOOL            IsUno() const   { return (pUnoData != NULL); }

    virtual void    Notify( SvtBroadcaster& rBC, const SfxHint& rHint );
    void            StartListeningTo();
    void            EndListeningTo();
    void            ChangeListening( const ScRangeListRef& rRangeListRef,
                                    BOOL bDirty = FALSE );
    void            Update();
    ScRangeListRef  GetRangeList() const;
    void            SetRangeList( const ScRangeListRef& rNew );
    void            SetRangeList( const ScRange& rNew );
    BOOL            IsUsed() const { return bUsed; }
    void            SetUsed( BOOL bFlg ) { bUsed = bFlg; }
    BOOL            IsDirty() const { return bDirty; }
    void            SetDirty( BOOL bFlg ) { bDirty = bFlg; }

    void            UpdateChartIntersecting( const ScRange& rRange );

    // if chart series ranges are to be updated later on (e.g. DeleteTab, InsertTab)
    void            ScheduleSeriesRanges()      { bSeriesRangesScheduled = TRUE; }
    void            UpdateScheduledSeriesRanges();
    void            UpdateSeriesRanges();

    ExternalRefListener* GetExtRefListener();
    void            SetUpdateQueue();

    BOOL            operator==( const ScChartListener& );
    BOOL            operator!=( const ScChartListener& r )
                        { return !operator==( r ); }
};

// ============================================================================

class ScChartHiddenRangeListener
{
public:
    ScChartHiddenRangeListener();
    virtual ~ScChartHiddenRangeListener();
    virtual void notify() = 0;
};

// ============================================================================

class ScChartListenerCollection : public ScStrCollection
{
public:
    struct RangeListenerItem
    {
        ScRange                     maRange;
        ScChartHiddenRangeListener* mpListener;
        explicit RangeListenerItem(const ScRange& rRange, ScChartHiddenRangeListener* p);
    };

private:
    ::std::list<RangeListenerItem> maHiddenListeners;

    Timer           aTimer;
    ScDocument*     pDoc;

                    DECL_LINK( TimerHdl, Timer* );

                    // not implemented
    ScChartListenerCollection& operator=( const ScChartListenerCollection& );

    using ScStrCollection::operator==;

public:
                    ScChartListenerCollection( ScDocument* pDoc );
                    ScChartListenerCollection( const ScChartListenerCollection& );
    virtual ScDataObject*   Clone() const;

    virtual         ~ScChartListenerCollection();

                    // nur nach copy-ctor noetig, wenn neu ins Dok gehaengt
    void            StartAllListeners();

    void            ChangeListening( const String& rName,
                                    const ScRangeListRef& rRangeListRef,
                                    BOOL bDirty = FALSE );
    // FreeUnused nur wie in ScDocument::UpdateChartListenerCollection verwenden!
    void            FreeUnused();
    void            FreeUno( const com::sun::star::uno::Reference< com::sun::star::chart::XChartDataChangeEventListener >& rListener,
                             const com::sun::star::uno::Reference< com::sun::star::chart::XChartData >& rSource );
    void            StartTimer();
    void            UpdateDirtyCharts();
    void            SetDirty();
    void            SetDiffDirty( const ScChartListenerCollection&,
                        BOOL bSetChartRangeLists = FALSE );

    void            SetRangeDirty( const ScRange& rRange );     // z.B. Zeilen/Spalten

    void            UpdateScheduledSeriesRanges();
    void            UpdateChartsContainingTab( SCTAB nTab );

    BOOL            operator==( const ScChartListenerCollection& );

    /**
     * Start listening on hide/show change within specified cell range.  A
     * single listener may listen on multiple ranges when the caller passes
     * the same pointer multiple times with different ranges.
     *
     * Note that the caller is responsible for managing the life-cycle of the
     * listener instance.
     */
    void            StartListeningHiddenRange( const ScRange& rRange,
                                               ScChartHiddenRangeListener* pListener );

    /**
     * Remove all ranges associated with passed listener instance from the
     * list of hidden range listeners.  This does not delete the passed
     * listener instance.
     */
    void            EndListeningHiddenRange( ScChartHiddenRangeListener* pListener );
};


#endif