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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <apitools.hxx>
#include <cppuhelper/typeprovider.hxx>
#include <sal/log.hxx>
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace cppu;
using namespace osl;
// various helper functions
// OSubComponent
OSubComponent::OSubComponent(Mutex& _rMutex, const Reference< XInterface > & xParent)
:OComponentHelper(_rMutex)
,m_xParent(xParent)
{
}
OSubComponent::~OSubComponent()
{
m_xParent = nullptr;
}
// css::lang::XTypeProvider
Sequence< Type > OSubComponent::getTypes()
{
OTypeCollection aTypes(cppu::UnoType<XComponent>::get(),
cppu::UnoType<XTypeProvider>::get(),
cppu::UnoType<XWeak>::get());
return aTypes.getTypes();
}
// XInterface
void OSubComponent::release() noexcept
{
Reference< XInterface > x( xDelegator );
if (! x.is())
{
if (osl_atomic_decrement( &m_refCount ) == 0 )
{
if (! rBHelper.bDisposed)
{
// *before* again incrementing our ref count, ensure that our weak connection point
// will not create references to us anymore (via XAdapter::queryAdapted)
disposeWeakConnectionPoint();
Reference< XInterface > xHoldAlive( *this );
// remember the parent
Reference< XInterface > xParent;
{
MutexGuard aGuard( rBHelper.rMutex );
xParent = m_xParent;
m_xParent = nullptr;
}
SAL_WARN_IF( m_refCount != 1, "dbaccess.core", "OSubComponent::release: invalid ref count (before dispose)!" );
// First dispose
dispose();
// only the alive ref holds the object
SAL_WARN_IF( m_refCount != 1, "dbaccess.core", "OSubComponent::release: invalid ref count (after dispose)!" );
// release the parent in the ~
if (xParent.is())
{
MutexGuard aGuard( rBHelper.rMutex );
m_xParent = xParent;
}
// destroy the object if xHoldAlive decrement the refcount to 0
return;
}
}
// restore the reference count
osl_atomic_increment( &m_refCount );
}
// as we cover the job of the componenthelper we use the ...
OWeakAggObject::release();
}
Any OSubComponent::queryInterface( const Type & rType )
{
Any aReturn;
if (!rType.equals(cppu::UnoType<XAggregation>::get()))
aReturn = OComponentHelper::queryInterface(rType);
return aReturn;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
