xref: /AOO41X/main/sd/source/core/PageListWatcher.hxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 #ifndef PAGE_LIST_WATCHER_HXX
29 #define PAGE_LIST_WATCHER_HXX
30 
31 #include "pres.hxx"
32 #include <sal/types.h>
33 #include <vector>
34 
35 class SdPage;
36 class SdrModel;
37 
38 /** Maintain a map of page indices to page objects for faster access that
39     remains valid during deletions and insertions of pages (#109538#).
40 */
41 class ImpPageListWatcher
42 {
43 protected:
44 	// typedefs for a vector of SdPages
45 	typedef ::std::vector< SdPage* > SdPageVector;
46 
47 	const SdrModel&					mrModel;
48 
49 	SdPageVector					maPageVectorStandard;
50 	SdPageVector					maPageVectorNotes;
51 	SdPage*							mpHandoutPage;
52 
53 	sal_Bool						mbPageListValid;
54 
55 	void ImpRecreateSortedPageListOnDemand();
56 	virtual sal_uInt32 ImpGetPageCount() const = 0;
57 
58     /** Return the page with the given index.
59         @param nIndex
60             When given an invalid index then NULL is returned.
61     */
62 	virtual SdPage* ImpGetPage (sal_uInt32 nIndex) const = 0;
63 
64 public:
65 	ImpPageListWatcher(const SdrModel& rModel);
66 	virtual ~ImpPageListWatcher();
67 
68 	void Invalidate() { mbPageListValid = sal_False; }
69 	SdPage* GetSdPage(PageKind ePgKind, sal_uInt32 nPgNum = 0L);
70 	sal_uInt32 GetSdPageCount(PageKind ePgKind);
71 };
72 
73 //////////////////////////////////////////////////////////////////////////////
74 
75 class ImpDrawPageListWatcher : public ImpPageListWatcher
76 {
77 protected:
78 	virtual sal_uInt32 ImpGetPageCount() const;
79 	virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const;
80 
81 public:
82 	ImpDrawPageListWatcher(const SdrModel& rModel);
83 	virtual ~ImpDrawPageListWatcher();
84 };
85 
86 //////////////////////////////////////////////////////////////////////////////
87 
88 class ImpMasterPageListWatcher : public ImpPageListWatcher
89 {
90 protected:
91 	virtual sal_uInt32 ImpGetPageCount() const;
92 	virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const;
93 
94 public:
95 	ImpMasterPageListWatcher(const SdrModel& rModel);
96 	virtual ~ImpMasterPageListWatcher();
97 };
98 
99 #endif
100