xref: /aoo4110/main/vcl/source/app/idlemgr.cxx (revision b1cdbd2c)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_vcl.hxx"
26 
27 #include <tools/list.hxx>
28 
29 #include <vcl/svapp.hxx>
30 
31 #include <idlemgr.hxx>
32 
33 // =======================================================================
34 
35 struct ImplIdleData
36 {
37     Link        maIdleHdl;
38     sal_uInt16      mnPriority;
39     sal_Bool        mbTimeout;
40 };
41 
DECLARE_LIST(ImplIdleList,ImplIdleData *)42 DECLARE_LIST( ImplIdleList, ImplIdleData* )
43 
44 #define IMPL_IDLETIMEOUT         350
45 
46 // =======================================================================
47 
48 ImplIdleMgr::ImplIdleMgr()
49 {
50     mpIdleList  = new ImplIdleList( 8, 8, 8 );
51 
52     maTimer.SetTimeout( IMPL_IDLETIMEOUT );
53     maTimer.SetTimeoutHdl( LINK( this, ImplIdleMgr, TimeoutHdl ) );
54 }
55 
56 // -----------------------------------------------------------------------
57 
~ImplIdleMgr()58 ImplIdleMgr::~ImplIdleMgr()
59 {
60     // Liste loeschen
61     ImplIdleData* pIdleData = mpIdleList->First();
62     while ( pIdleData )
63     {
64         delete pIdleData;
65         pIdleData = mpIdleList->Next();
66     }
67 
68     delete mpIdleList;
69 }
70 
71 // -----------------------------------------------------------------------
72 
InsertIdleHdl(const Link & rLink,sal_uInt16 nPriority)73 sal_Bool ImplIdleMgr::InsertIdleHdl( const Link& rLink, sal_uInt16 nPriority )
74 {
75     sal_uLong           nPos = LIST_APPEND;
76     ImplIdleData*   pIdleData = mpIdleList->First();
77     while ( pIdleData )
78     {
79         // Wenn Link schon existiert, dann gebe sal_False zurueck
80         if ( pIdleData->maIdleHdl == rLink )
81             return sal_False;
82 
83         // Nach Prioritaet sortieren
84         if ( nPriority <= pIdleData->mnPriority )
85             nPos = mpIdleList->GetCurPos();
86 
87         // Schleife nicht beenden, da noch
88         // geprueft werden muss, ob sich der Link
89         // schon in der Liste befindet
90 
91         pIdleData = mpIdleList->Next();
92     }
93 
94     pIdleData               = new ImplIdleData;
95     pIdleData->maIdleHdl    = rLink;
96     pIdleData->mnPriority   = nPriority;
97     pIdleData->mbTimeout    = sal_False;
98     mpIdleList->Insert( pIdleData, nPos );
99 
100     // Wenn Timer noch nicht gestartet ist, dann starten
101     if ( !maTimer.IsActive() )
102         maTimer.Start();
103 
104     return sal_True;
105 }
106 
107 // -----------------------------------------------------------------------
108 
RemoveIdleHdl(const Link & rLink)109 void ImplIdleMgr::RemoveIdleHdl( const Link& rLink )
110 {
111     ImplIdleData* pIdleData = mpIdleList->First();
112     while ( pIdleData )
113     {
114         if ( pIdleData->maIdleHdl == rLink )
115         {
116             mpIdleList->Remove();
117             delete pIdleData;
118             break;
119         }
120 
121         pIdleData = mpIdleList->Next();
122     }
123 
124     // keine Handdler mehr da
125     if ( !mpIdleList->Count() )
126         maTimer.Stop();
127 }
128 
129 // -----------------------------------------------------------------------
130 
IMPL_LINK(ImplIdleMgr,TimeoutHdl,Timer *,EMPTYARG)131 IMPL_LINK( ImplIdleMgr, TimeoutHdl, Timer*, EMPTYARG )
132 {
133     ImplIdleData* pIdleData = mpIdleList->First();
134     while ( pIdleData )
135     {
136         if ( !pIdleData->mbTimeout )
137         {
138             pIdleData->mbTimeout = sal_True;
139             pIdleData->maIdleHdl.Call( GetpApp() );
140             // Kann im Handler entfernt worden sein
141             if ( mpIdleList->GetPos( pIdleData ) != LIST_ENTRY_NOTFOUND )
142                 pIdleData->mbTimeout = sal_False;
143         }
144 
145         pIdleData = mpIdleList->Next();
146     }
147 
148     return 0;
149 }
150