1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svl.hxx"
#define _SFX_CANCEL_CXX
#include <svl/cancel.hxx>
#include <vos/mutex.hxx>
#include <tools/debug.hxx>
#include <svl/smplhint.hxx>
#include <svl/cnclhint.hxx>
#include <rtl/instance.hxx>
namespace { struct lclMutex : public rtl::Static< ::vos::OMutex, lclMutex >{}; }
//=========================================================================
SfxCancelManager::SfxCancelManager( SfxCancelManager *pParent )
: _pParent( pParent )
{
}
//-------------------------------------------------------------------------
SfxCancelManager::~SfxCancelManager()
{
DBG_ASSERT( _pParent || !_aJobs.Count(), "deleting SfxCancelManager in use" );
for ( USHORT n = _aJobs.Count(); n--; )
_aJobs.GetObject(n)->SetManager( _pParent );
}
//-------------------------------------------------------------------------
BOOL SfxCancelManager::CanCancel() const
/* [Beschreibung]
Liefert TRUE wenn an diesem CancelManager oder an einem Parent
ein Job l"auft.
*/
{
::vos::OGuard aGuard( lclMutex::get() );
return _aJobs.Count() > 0 || ( _pParent && _pParent->CanCancel() );
}
//-------------------------------------------------------------------------
void SfxCancelManager::Cancel( BOOL bDeep )
/* [Beschreibung]
Diese Methode markiert alle angemeldeten <SfxCancellable>-Instanzen
als suspendiert.
*/
{
::vos::OGuard aGuard( lclMutex::get() );
SfxCancelManagerWeak xWeak( this );
for ( USHORT n = _aJobs.Count(); n-- && xWeak.Is(); )
if ( n < _aJobs.Count() )
_aJobs.GetObject(n)->Cancel();
if ( xWeak.Is() && _pParent )
_pParent->Cancel( bDeep );
}
//-------------------------------------------------------------------------
void SfxCancelManager::InsertCancellable( SfxCancellable *pJob )
/* [Beschreibung]
Diese interne Methode tr"agt 'pJob' in die Liste der unterbrechbaren
Jobs ein und Broadcastet dies. Jeder <SfxCancellable> darf nur
maximal einmal angemeldet sein, dies geschiet in seinem Ctor.
*/
{
#ifdef GPF_ON_EMPTY_TITLE
if ( !pJob->GetTitle() )
{
DBG_ERROR( "SfxCancellable: empty titles not allowed (Vermummungsverbot)" )
*(int*)0 = 0;
}
#endif
::vos::OClearableGuard aGuard( lclMutex::get() );
_aJobs.C40_INSERT( SfxCancellable, pJob, _aJobs.Count() );
aGuard.clear();
Broadcast( SfxSimpleHint( SFX_HINT_CANCELLABLE ) );
}
//-------------------------------------------------------------------------
void SfxCancelManager::RemoveCancellable( SfxCancellable *pJob )
/* [Beschreibung]
Diese interne Methode tr"agt 'pJob' aus die Liste der unterbrechbaren
Jobs aus und Broadcastet dies. Dieser Aufruf mu\s paarig nach einem
<InsertCancellable> erfolgen und wird im Dtor des <SfxCancellable>
ausgel"ost.
*/
{
::vos::OClearableGuard aGuard( lclMutex::get() );
const SfxCancellable *pTmp = pJob;
USHORT nPos = _aJobs.GetPos( pTmp );
if ( nPos != 0xFFFF )
{
_aJobs.Remove( nPos , 1 );
aGuard.clear();
Broadcast( SfxSimpleHint( SFX_HINT_CANCELLABLE ) );
Broadcast( SfxCancelHint( pJob, SFXCANCELHINT_REMOVED ) );
}
}
//-------------------------------------------------------------------------
SfxCancellable::~SfxCancellable()
{
SfxCancelManager* pMgr = _pMgr;
if ( pMgr )
pMgr->RemoveCancellable( this );
}
//-------------------------------------------------------------------------
void SfxCancellable::Cancel()
/* [Description]
This virtual function is called when the user hits the cancel-button.
If you overload it, you can stop your activities. Please always call
'SfxCancellable::Cancel()'.
*/
{
#ifdef GFP_ON_NO_CANCEL
if ( _bCancelled < 5 )
++_bCancelled;
else
{
delete this;
}
#else
_bCancelled = TRUE;
#endif
}
//-------------------------------------------------------------------------
void SfxCancellable::SetManager( SfxCancelManager *pMgr )
{
SfxCancelManager* pTmp = _pMgr;
if ( pTmp )
pTmp->RemoveCancellable( this );
_pMgr = pMgr;
if ( pMgr )
pMgr->InsertCancellable( this );
}
//-------------------------------------------------------------------------
TYPEINIT1(SfxCancelHint, SfxHint);
SfxCancelHint::SfxCancelHint( SfxCancellable* pJob, USHORT _nAction )
{
pCancellable = pJob;
nAction = _nAction;
}
|
