blob: 0b12c370345699b2d034b0df7f72205f9be91615 (
plain)
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
|
/*
safedelete.cpp - Kopete Groupwise Protocol
Copyright (c) 2004 SUSE Linux AG http://www.suse.com
Based on Iris, Copyright (C) 2003 Justin Karneges <[email protected]>
Kopete (c) 2002-2004 by the Kopete developers <[email protected]>
*************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
*************************************************************************
*/
#include "safedelete.h"
#include <tqtimer.h>
//----------------------------------------------------------------------------
// SafeDelete
//----------------------------------------------------------------------------
SafeDelete::SafeDelete()
{
lock = 0;
}
SafeDelete::~SafeDelete()
{
if(lock)
lock->dying();
}
void SafeDelete::deleteLater(TQObject *o)
{
if(!lock)
deleteSingle(o);
else
list.append(o);
}
void SafeDelete::unlock()
{
lock = 0;
deleteAll();
}
void SafeDelete::deleteAll()
{
if(list.isEmpty())
return;
TQObjectListIt it(list);
for(TQObject *o; (o = it.current()); ++it)
deleteSingle(o);
list.clear();
}
void SafeDelete::deleteSingle(TQObject *o)
{
#if QT_VERSION < 0x030000
// roll our own TQObject::deleteLater()
SafeDeleteLater *sdl = SafeDeleteLater::ensureExists();
sdl->deleteItLater(o);
#else
o->deleteLater();
#endif
}
//----------------------------------------------------------------------------
// SafeDeleteLock
//----------------------------------------------------------------------------
SafeDeleteLock::SafeDeleteLock(SafeDelete *sd)
{
own = false;
if(!sd->lock) {
_sd = sd;
_sd->lock = this;
}
else
_sd = 0;
}
SafeDeleteLock::~SafeDeleteLock()
{
if(_sd) {
_sd->unlock();
if(own)
delete _sd;
}
}
void SafeDeleteLock::dying()
{
_sd = new SafeDelete(*_sd);
own = true;
}
//----------------------------------------------------------------------------
// SafeDeleteLater
//----------------------------------------------------------------------------
SafeDeleteLater *SafeDeleteLater::self = 0;
SafeDeleteLater *SafeDeleteLater::ensureExists()
{
if(!self)
new SafeDeleteLater();
return self;
}
SafeDeleteLater::SafeDeleteLater()
{
list.setAutoDelete(true);
self = this;
TQTimer::singleShot(0, this, TQT_SLOT(explode()));
}
SafeDeleteLater::~SafeDeleteLater()
{
list.clear();
self = 0;
}
void SafeDeleteLater::deleteItLater(TQObject *o)
{
list.append(o);
}
void SafeDeleteLater::explode()
{
delete this;
}
#include "safedelete.moc"
|
