sd/source/core/PageListWatcher.hxx

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  30
  31 #ifndef PAGE_LIST_WATCHER_HXX
  32 #define PAGE_LIST_WATCHER_HXX
  33
  34 #include "pres.hxx"
  35 #include <sal/types.h>
  36 #include <vector>
  37
  38 class SdPage;
  39 class SdrModel;
  40
  41 /** Maintain a map of page indices to page objects for faster access that
  42     remains valid during deletions and insertions of pages (#109538#).
  43 */
  44 class ImpPageListWatcher
  45 {
  46 protected:
  47     // typedefs for a vector of SdPages
  48     typedef ::std::vector< SdPage* > SdPageVector;
  49
  50     const SdrModel&                                     mrModel;
  51
  52     SdPageVector                                        maPageVectorStandard;
  53     SdPageVector                                        maPageVectorNotes;
  54     SdPage*                                                     mpHandoutPage;
  55
  56     sal_Bool                                            mbPageListValid;
  57
  58     void ImpRecreateSortedPageListOnDemand();
  59     virtual sal_uInt32 ImpGetPageCount() const = 0;
  60
  61     /** Return the page with the given index.
  62         @param nIndex
  63             When given an invalid index then NULL is returned.
  64     */
  65     virtual SdPage* ImpGetPage (sal_uInt32 nIndex) const = 0;
  66
  67 public:
  68     ImpPageListWatcher(const SdrModel& rModel);
  69     virtual ~ImpPageListWatcher();
  70
  71     void Invalidate() { mbPageListValid = sal_False; }
  72     SdPage* GetSdPage(PageKind ePgKind, sal_uInt32 nPgNum = 0L);
  73     sal_uInt32 GetSdPageCount(PageKind ePgKind);
  74 };
  75
  76 //////////////////////////////////////////////////////////////////////////////
  77
  78 class ImpDrawPageListWatcher : public ImpPageListWatcher
  79 {
  80 protected:
  81     virtual sal_uInt32 ImpGetPageCount() const;
  82     virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const;
  83
  84 public:
  85     ImpDrawPageListWatcher(const SdrModel& rModel);
  86     virtual ~ImpDrawPageListWatcher();
  87 };
  88
  89 //////////////////////////////////////////////////////////////////////////////
  90
  91 class ImpMasterPageListWatcher : public ImpPageListWatcher
  92 {
  93 protected:
  94     virtual sal_uInt32 ImpGetPageCount() const;
  95     virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const;
  96
  97 public:
  98     ImpMasterPageListWatcher(const SdrModel& rModel);
  99     virtual ~ImpMasterPageListWatcher();
 100 };
 101
 102 #endif