xref: /trunk/main/svl/source/items/poolcach.cxx (revision cdf0e10c)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_svl.hxx"
30 
31 #include <limits.h>
32 
33 #ifndef GCC
34 #endif
35 
36 #include <svl/itempool.hxx>
37 #include <svl/itemset.hxx>
38 #include <svl/poolcach.hxx>
39 
40 // STATIC DATA -----------------------------------------------------------
41 
42 DBG_NAME(SfxItemPoolCache)
43 
44 //------------------------------------------------------------------------
45 
46 SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool,
47 									const SfxPoolItem *pPutItem ):
48 	pPool(pItemPool),
49 	pCache(new SfxItemModifyArr_Impl),
50 	pSetToPut( 0 ),
51 	pItemToPut( &pItemPool->Put(*pPutItem) )
52 {
53 	DBG_CTOR(SfxItemPoolCache, 0);
54 	DBG_ASSERT(pItemPool, "kein Pool angegeben");
55 }
56 
57 //------------------------------------------------------------------------
58 
59 SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool,
60 									const SfxItemSet *pPutSet ):
61 	pPool(pItemPool),
62 	pCache(new SfxItemModifyArr_Impl),
63 	pSetToPut( pPutSet ),
64 	pItemToPut( 0 )
65 {
66 	DBG_CTOR(SfxItemPoolCache, 0);
67 	DBG_ASSERT(pItemPool, "kein Pool angegeben");
68 }
69 
70 //------------------------------------------------------------------------
71 
72 SfxItemPoolCache::~SfxItemPoolCache()
73 {
74 	DBG_DTOR(SfxItemPoolCache, 0);
75 	for ( size_t nPos = 0; nPos < pCache->size(); ++nPos ) {
76 		pPool->Remove( *(*pCache)[nPos].pPoolItem );
77 		pPool->Remove( *(*pCache)[nPos].pOrigItem );
78 	}
79 	delete pCache; pCache = 0;
80 
81 	if ( pItemToPut )
82 		pPool->Remove( *pItemToPut );
83 }
84 
85 //------------------------------------------------------------------------
86 
87 const SfxSetItem& SfxItemPoolCache::ApplyTo( const SfxSetItem &rOrigItem, sal_Bool bNew )
88 {
89 	DBG_CHKTHIS(SfxItemPoolCache, 0);
90 	DBG_ASSERT( pPool == rOrigItem.GetItemSet().GetPool(), "invalid Pool" );
91 	DBG_ASSERT( IsDefaultItem( &rOrigItem ) || IsPooledItem( &rOrigItem ),
92 				"original not in pool" );
93 
94 	// Find whether this Transformations ever occurred
95 	for ( size_t nPos = 0; nPos < pCache->size(); ++nPos )
96 	{
97 		SfxItemModifyImpl &rMapEntry = (*pCache)[nPos];
98 		if ( rMapEntry.pOrigItem == &rOrigItem )
99 		{
100 			// aendert sich ueberhaupt etwas?
101 			if ( rMapEntry.pPoolItem != &rOrigItem )
102 			{
103 				rMapEntry.pPoolItem->AddRef(2); // einen davon fuer den Cache
104 				if ( bNew )
105 					pPool->Put( rOrigItem );	//! AddRef??
106 			}
107 			return *rMapEntry.pPoolItem;
108 		}
109 	}
110 
111 	// die neue Attributierung in einem neuen Set eintragen
112 	SfxSetItem *pNewItem = (SfxSetItem *)rOrigItem.Clone();
113 	if ( pItemToPut )
114 	{
115 		pNewItem->GetItemSet().PutDirect( *pItemToPut );
116 		DBG_ASSERT( &pNewItem->GetItemSet().Get( pItemToPut->Which() ) == pItemToPut,
117 					"wrong item in temporary set" );
118 	}
119 	else
120 		pNewItem->GetItemSet().Put( *pSetToPut );
121 	const SfxSetItem* pNewPoolItem = (const SfxSetItem*) &pPool->Put( *pNewItem );
122 	DBG_ASSERT( pNewPoolItem != pNewItem, "Pool: rein == raus?" );
123 	delete pNewItem;
124 
125 	// Refernzzaehler anpassen, je einen davon fuer den Cache
126 	pNewPoolItem->AddRef( pNewPoolItem != &rOrigItem ? 2 : 1 );
127 	if ( bNew )
128 		pPool->Put( rOrigItem );	//! AddRef??
129 
130 	// die Transformation im Cache eintragen
131 	SfxItemModifyImpl aModify;
132 	aModify.pOrigItem = &rOrigItem;
133 	aModify.pPoolItem = (SfxSetItem*) pNewPoolItem;
134 	pCache->push_back( aModify );
135 
136 	DBG_ASSERT( !pItemToPut ||
137 				&pNewPoolItem->GetItemSet().Get( pItemToPut->Which() ) == pItemToPut,
138 				"wrong item in resulting set" );
139 
140 	return *pNewPoolItem;
141 }
142 
143 
144 
145