1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_dbaccess.hxx"
26
27 #ifndef _DBASHARED_APITOOLS_HXX_
28 #include "apitools.hxx"
29 #endif
30 #ifndef DBACCESS_SHARED_DBASTRINGS_HRC
31 #include "dbastrings.hrc"
32 #endif
33 #ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
34 #include <cppuhelper/typeprovider.hxx>
35 #endif
36 #include <com/sun/star/lang/XServiceInfo.hpp>
37 #ifndef _OSL_DIAGNOSE_H_
38 #include <osl/diagnose.h>
39 #endif
40 #ifndef _TOOLS_DEBUG_HXX
41 #include <tools/debug.hxx>
42 #endif
43
44 using namespace ::com::sun::star::uno;
45 using namespace ::com::sun::star::lang;
46 using namespace cppu;
47 using namespace osl;
48 using namespace dbaccess;
49
50 //==================================================================================
51 //= various helper functions
52 //==================================================================================
53 //============================================================
54 //= OSubComponent
55 //============================================================
DBG_NAME(OSubComponent)56 DBG_NAME(OSubComponent)
57 //--------------------------------------------------------------------------
58 OSubComponent::OSubComponent(Mutex& _rMutex, const Reference< XInterface > & xParent)
59 :OComponentHelper(_rMutex)
60 ,m_xParent(xParent)
61 {
62 DBG_CTOR(OSubComponent,NULL);
63
64 }
65 // -----------------------------------------------------------------------------
~OSubComponent()66 OSubComponent::~OSubComponent()
67 {
68 m_xParent = NULL;
69
70 DBG_DTOR(OSubComponent,NULL);
71 }
72
73 // com::sun::star::lang::XTypeProvider
74 //--------------------------------------------------------------------------
getTypes()75 Sequence< Type > OSubComponent::getTypes() throw (RuntimeException)
76 {
77 OTypeCollection aTypes(::getCppuType( (const Reference< XComponent > *)0 ),
78 ::getCppuType( (const Reference< XTypeProvider > *)0 ),
79 ::getCppuType( (const Reference< XWeak > *)0 ));
80
81 return aTypes.getTypes();
82 }
83
84 // XInterface
85 //--------------------------------------------------------------------------
acquire()86 void OSubComponent::acquire() throw ( )
87 {
88 OComponentHelper::acquire();
89 }
90
91 //--------------------------------------------------------------------------
release()92 void OSubComponent::release() throw ( )
93 {
94 Reference< XInterface > x( xDelegator );
95 if (! x.is())
96 {
97 if (osl_decrementInterlockedCount( &m_refCount ) == 0 )
98 {
99 if (! rBHelper.bDisposed)
100 {
101 // *before* again incrementing our ref count, ensure that our weak connection point
102 // will not create references to us anymore (via XAdapter::queryAdapted)
103 disposeWeakConnectionPoint();
104
105 Reference< XInterface > xHoldAlive( *this );
106 // remember the parent
107 Reference< XInterface > xParent;
108 {
109 MutexGuard aGuard( rBHelper.rMutex );
110 xParent = m_xParent;
111 m_xParent = NULL;
112 }
113
114 OSL_ENSURE( m_refCount == 1, "OSubComponent::release: invalid ref count (before dispose)!" );
115
116 // First dispose
117 dispose();
118
119 // only the alive ref holds the object
120 OSL_ENSURE( m_refCount == 1, "OSubComponent::release: invalid ref count (after dispose)!" );
121
122 // release the parent in the ~
123 if (xParent.is())
124 {
125 MutexGuard aGuard( rBHelper.rMutex );
126 m_xParent = xParent;
127 }
128
129 // destroy the object if xHoldAlive decrement the refcount to 0
130 return;
131 }
132 }
133 // restore the reference count
134 osl_incrementInterlockedCount( &m_refCount );
135 }
136
137 // as we cover the job of the componenthelper we use the ...
138 OWeakAggObject::release();
139 }
140
141 //--------------------------------------------------------------------------
queryInterface(const Type & rType)142 Any OSubComponent::queryInterface( const Type & rType ) throw(RuntimeException)
143 {
144 Any aReturn;
145 if (!rType.equals(::getCppuType(static_cast< Reference< XAggregation >* >(NULL))))
146 aReturn = OComponentHelper::queryInterface(rType);
147
148 return aReturn;
149 }
150
151
152