office-gobmx/sd/source/core/PageListWatcher.hxx
2010-10-28 15:50:10 +01:00

102 lines
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef PAGE_LIST_WATCHER_HXX
#define PAGE_LIST_WATCHER_HXX
#include "pres.hxx"
#include <sal/types.h>
#include <vector>
class SdPage;
class SdrModel;
/** Maintain a map of page indices to page objects for faster access that
remains valid during deletions and insertions of pages (#109538#).
*/
class ImpPageListWatcher
{
protected:
// typedefs for a vector of SdPages
typedef ::std::vector< SdPage* > SdPageVector;
const SdrModel& mrModel;
SdPageVector maPageVectorStandard;
SdPageVector maPageVectorNotes;
SdPage* mpHandoutPage;
sal_Bool mbPageListValid;
void ImpRecreateSortedPageListOnDemand();
virtual sal_uInt32 ImpGetPageCount() const = 0;
/** Return the page with the given index.
@param nIndex
When given an invalid index then NULL is returned.
*/
virtual SdPage* ImpGetPage (sal_uInt32 nIndex) const = 0;
public:
ImpPageListWatcher(const SdrModel& rModel);
virtual ~ImpPageListWatcher();
void Invalidate() { mbPageListValid = sal_False; }
SdPage* GetSdPage(PageKind ePgKind, sal_uInt32 nPgNum = 0L);
sal_uInt32 GetSdPageCount(PageKind ePgKind);
};
//////////////////////////////////////////////////////////////////////////////
class ImpDrawPageListWatcher : public ImpPageListWatcher
{
protected:
virtual sal_uInt32 ImpGetPageCount() const;
virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const;
public:
ImpDrawPageListWatcher(const SdrModel& rModel);
virtual ~ImpDrawPageListWatcher();
};
//////////////////////////////////////////////////////////////////////////////
class ImpMasterPageListWatcher : public ImpPageListWatcher
{
protected:
virtual sal_uInt32 ImpGetPageCount() const;
virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const;
public:
ImpMasterPageListWatcher(const SdrModel& rModel);
virtual ~ImpMasterPageListWatcher();
};
#endif
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