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k3staticdeleter.cpp
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1/*
2 * This file is part of the KDE Libraries
3 * Copyright (C) 2000 Stephan Kulow <coolo@kde.org>
4 * 2001 KDE Team
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23#include "k3staticdeleter.h"
24#include <kglobal.h>
25
26#include <QtCore/QList>
27#include <QtCore/QCoreApplication>
28
29typedef QList<K3StaticDeleterBase *> K3StaticDeleterList;
30
31struct K3StaticDeleterPrivate
32{
33 K3StaticDeleterPrivate()
34 {
35 qAddPostRoutine(deleteStaticDeleters);
36 }
37 ~K3StaticDeleterPrivate()
38 {
39 qRemovePostRoutine(deleteStaticDeleters);
40 deleteStaticDeleters();
41 }
42 static void deleteStaticDeleters();
43
44 K3StaticDeleterList staticDeleters;
45};
46
47K_GLOBAL_STATIC(K3StaticDeleterPrivate, staticDeleterPrivate)
48
49void K3StaticDeleterPrivate::deleteStaticDeleters()
50{
51 if (staticDeleterPrivate.isDestroyed()) {
52 return;
53 }
54 K3StaticDeleterPrivate *d = staticDeleterPrivate;
55 while (!d->staticDeleters.isEmpty()) {
56 d->staticDeleters.takeLast()->destructObject();
57 }
58}
59
60void K3StaticDeleterHelpers::registerStaticDeleter(K3StaticDeleterBase *obj)
61{
62 K3StaticDeleterPrivate *d = staticDeleterPrivate;
63 if (d->staticDeleters.indexOf(obj) == -1) {
64 d->staticDeleters.append(obj);
65 }
66}
67
68void K3StaticDeleterHelpers::unregisterStaticDeleter(K3StaticDeleterBase *obj)
69{
70 if (staticDeleterPrivate.isDestroyed()) {
71 return;
72 }
73 staticDeleterPrivate->staticDeleters.removeAll(obj);
74}
75
76void K3StaticDeleterHelpers::deleteStaticDeleters()
77{
78 staticDeleterPrivate->deleteStaticDeleters();
79}
80
81// this helps gcc to emit the vtbl for K3StaticDeleterBase
82// only once, here in this file, not every time it's
83// used, says Seli and thiago.
84K3StaticDeleterBase::~K3StaticDeleterBase()
85{
86}
87
88void K3StaticDeleterBase::destructObject()
89{
90}
91
K3StaticDeleterBase
Base class for K3StaticDeleter.
Definition: k3staticdeleter.h:68
K3StaticDeleterBase::~K3StaticDeleterBase
virtual ~K3StaticDeleterBase()
Definition: k3staticdeleter.cpp:84
K3StaticDeleterBase::destructObject
virtual void destructObject()
Should destruct the resources managed by this K3StaticDeleterBase.
Definition: k3staticdeleter.cpp:88
QList
K_GLOBAL_STATIC
#define K_GLOBAL_STATIC(TYPE, NAME)
K3StaticDeleterList
QList< K3StaticDeleterBase * > K3StaticDeleterList
Definition: k3staticdeleter.cpp:29
k3staticdeleter.h
kglobal.h
K3StaticDeleterHelpers::deleteStaticDeleters
void deleteStaticDeleters()
Calls K3StaticDeleterBase::destructObject() on all registered static deleters and unregisters them al...
Definition: k3staticdeleter.cpp:76
K3StaticDeleterHelpers::registerStaticDeleter
void registerStaticDeleter(K3StaticDeleterBase *d)
Registers a static deleter.
Definition: k3staticdeleter.cpp:60
K3StaticDeleterHelpers::unregisterStaticDeleter
void unregisterStaticDeleter(K3StaticDeleterBase *d)
Unregisters a static deleter.
Definition: k3staticdeleter.cpp:68
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