1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_vcl.hxx" 30 31 #include <tools/list.hxx> 32 33 #include <vcl/svapp.hxx> 34 35 #include <idlemgr.hxx> 36 37 // ======================================================================= 38 39 struct ImplIdleData 40 { 41 Link maIdleHdl; 42 sal_uInt16 mnPriority; 43 sal_Bool mbTimeout; 44 }; 45 46 DECLARE_LIST( ImplIdleList, ImplIdleData* ) 47 48 #define IMPL_IDLETIMEOUT 350 49 50 // ======================================================================= 51 52 ImplIdleMgr::ImplIdleMgr() 53 { 54 mpIdleList = new ImplIdleList( 8, 8, 8 ); 55 56 maTimer.SetTimeout( IMPL_IDLETIMEOUT ); 57 maTimer.SetTimeoutHdl( LINK( this, ImplIdleMgr, TimeoutHdl ) ); 58 } 59 60 // ----------------------------------------------------------------------- 61 62 ImplIdleMgr::~ImplIdleMgr() 63 { 64 // Liste loeschen 65 ImplIdleData* pIdleData = mpIdleList->First(); 66 while ( pIdleData ) 67 { 68 delete pIdleData; 69 pIdleData = mpIdleList->Next(); 70 } 71 72 delete mpIdleList; 73 } 74 75 // ----------------------------------------------------------------------- 76 77 sal_Bool ImplIdleMgr::InsertIdleHdl( const Link& rLink, sal_uInt16 nPriority ) 78 { 79 sal_uLong nPos = LIST_APPEND; 80 ImplIdleData* pIdleData = mpIdleList->First(); 81 while ( pIdleData ) 82 { 83 // Wenn Link schon existiert, dann gebe sal_False zurueck 84 if ( pIdleData->maIdleHdl == rLink ) 85 return sal_False; 86 87 // Nach Prioritaet sortieren 88 if ( nPriority <= pIdleData->mnPriority ) 89 nPos = mpIdleList->GetCurPos(); 90 91 // Schleife nicht beenden, da noch 92 // geprueft werden muss, ob sich der Link 93 // schon in der Liste befindet 94 95 pIdleData = mpIdleList->Next(); 96 } 97 98 pIdleData = new ImplIdleData; 99 pIdleData->maIdleHdl = rLink; 100 pIdleData->mnPriority = nPriority; 101 pIdleData->mbTimeout = sal_False; 102 mpIdleList->Insert( pIdleData, nPos ); 103 104 // Wenn Timer noch nicht gestartet ist, dann starten 105 if ( !maTimer.IsActive() ) 106 maTimer.Start(); 107 108 return sal_True; 109 } 110 111 // ----------------------------------------------------------------------- 112 113 void ImplIdleMgr::RemoveIdleHdl( const Link& rLink ) 114 { 115 ImplIdleData* pIdleData = mpIdleList->First(); 116 while ( pIdleData ) 117 { 118 if ( pIdleData->maIdleHdl == rLink ) 119 { 120 mpIdleList->Remove(); 121 delete pIdleData; 122 break; 123 } 124 125 pIdleData = mpIdleList->Next(); 126 } 127 128 // keine Handdler mehr da 129 if ( !mpIdleList->Count() ) 130 maTimer.Stop(); 131 } 132 133 // ----------------------------------------------------------------------- 134 135 IMPL_LINK( ImplIdleMgr, TimeoutHdl, Timer*, EMPTYARG ) 136 { 137 ImplIdleData* pIdleData = mpIdleList->First(); 138 while ( pIdleData ) 139 { 140 if ( !pIdleData->mbTimeout ) 141 { 142 pIdleData->mbTimeout = sal_True; 143 pIdleData->maIdleHdl.Call( GetpApp() ); 144 // Kann im Handler entfernt worden sein 145 if ( mpIdleList->GetPos( pIdleData ) != LIST_ENTRY_NOTFOUND ) 146 pIdleData->mbTimeout = sal_False; 147 } 148 149 pIdleData = mpIdleList->Next(); 150 } 151 152 return 0; 153 } 154