xref: /trunk/main/svtools/source/misc/itemdel.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_svtools.hxx"
30 
31 #include <svtools/itemdel.hxx>
32 #include <vcl/svapp.hxx>
33 #include <tools/errcode.hxx>
34 #include <limits.h>
35 
36 #include <svtools/svtdata.hxx>
37 #include <svl/svarray.hxx>
38 #include <svl/itempool.hxx>
39 
40 // STATIC DATA -----------------------------------------------------------
41 
42 DBG_NAME(SfxItemDesruptor_Impl);
43 
44 // -----------------------------------------------------------------------
45 
46 class SfxItemDesruptor_Impl
47 {
48     SfxPoolItem *pItem;
49     Link         aLink;
50 
51 private:
52                  DECL_LINK( Delete, void * );
53                  SfxItemDesruptor_Impl( const SfxItemDesruptor_Impl& ); // n.i.
54 
55 public:
56                  SfxItemDesruptor_Impl( SfxPoolItem *pItemToDesrupt );
57                  ~SfxItemDesruptor_Impl();
58 };
59 
60 SV_DECL_PTRARR( SfxItemDesruptorList_Impl, SfxItemDesruptor_Impl*, 4, 4 )
61 
62 // ------------------------------------------------------------------------
63 SfxItemDesruptor_Impl::SfxItemDesruptor_Impl( SfxPoolItem *pItemToDesrupt ):
64     pItem(pItemToDesrupt),
65     aLink( LINK(this, SfxItemDesruptor_Impl, Delete) )
66 {
67     DBG_CTOR(SfxItemDesruptor_Impl, 0);
68 
69     DBG_ASSERT( 0 == pItem->GetRefCount(), "desrupting pooled item" );
70     pItem->SetKind( SFX_ITEMS_DELETEONIDLE );
71 
72     // im Idle abarbeiten
73     GetpApp()->InsertIdleHdl( aLink, 1 );
74 
75     // und in Liste eintragen (damit geflusht werden kann)
76     SfxItemDesruptorList_Impl* &rpList = ImpSvtData::GetSvtData().pItemDesruptList;
77     if ( !rpList )
78         rpList = new SfxItemDesruptorList_Impl;
79     const SfxItemDesruptor_Impl *pThis = this;
80     rpList->Insert( pThis, rpList->Count() );
81 }
82 
83 // ------------------------------------------------------------------------
84 SfxItemDesruptor_Impl::~SfxItemDesruptor_Impl()
85 {
86     DBG_DTOR(SfxItemDesruptor_Impl, 0);
87 
88     // aus Idle-Handler austragen
89     GetpApp()->RemoveIdleHdl( aLink );
90 
91     // und aus Liste austragen
92     SfxItemDesruptorList_Impl* &rpList = ImpSvtData::GetSvtData().pItemDesruptList;
93     DBG_ASSERT( rpList, "no DesruptorList" );
94     const SfxItemDesruptor_Impl *pThis = this;
95     if ( rpList ) HACK(warum?)
96         rpList->Remove( rpList->GetPos(pThis) );
97 
98     // reset RefCount (was set to SFX_ITEMS_SPECIAL before!)
99     pItem->SetRefCount( 0 );
100     //DBG_CHKOBJ( pItem, SfxPoolItem, 0 );
101     delete pItem;
102 }
103 
104 // ------------------------------------------------------------------------
105 IMPL_LINK( SfxItemDesruptor_Impl, Delete, void *, EMPTYARG )
106 {
107     {DBG_CHKTHIS(SfxItemDesruptor_Impl, 0);}
108     delete this;
109     return 0;
110 }
111 
112 // ------------------------------------------------------------------------
113 SfxPoolItem* DeleteItemOnIdle( SfxPoolItem* pItem )
114 {
115     DBG_ASSERT( 0 == pItem->GetRefCount(), "deleting item in use" );
116     new SfxItemDesruptor_Impl( pItem );
117     return pItem;
118 }
119 
120 // ------------------------------------------------------------------------
121 void DeleteOnIdleItems()
122 {
123     SfxItemDesruptorList_Impl* &rpList
124      = ImpSvtData::GetSvtData().pItemDesruptList;
125     if ( rpList )
126     {
127         sal_uInt16 n;
128         while ( 0 != ( n = rpList->Count() ) )
129             // Remove ist implizit im Dtor
130             delete rpList->GetObject( n-1 );
131         DELETEZ(rpList);
132     }
133 }
134 
135 
136