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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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.
*
************************************************************************/
//______________________________________________________________________________________________________________
// my own include
//______________________________________________________________________________________________________________
#include "OConnectionPointHelper.hxx"
//______________________________________________________________________________________________________________
// includes of other projects
//______________________________________________________________________________________________________________
//______________________________________________________________________________________________________________
// include of my own project
//______________________________________________________________________________________________________________
#include "OConnectionPointContainerHelper.hxx"
//______________________________________________________________________________________________________________
// namespaces
//______________________________________________________________________________________________________________
using namespace ::rtl ;
using namespace ::osl ;
using namespace ::cppu ;
using namespace ::com::sun::star::uno ;
using namespace ::com::sun::star::lang ;
namespace unocontrols{
//______________________________________________________________________________________________________________
// construct/destruct
//______________________________________________________________________________________________________________
OConnectionPointHelper::OConnectionPointHelper(
Mutex& aMutex ,
OConnectionPointContainerHelper* pContainerImplementation ,
Type aType
) : m_aSharedMutex ( aMutex )
, m_oContainerWeakReference ( pContainerImplementation )
, m_pContainerImplementation ( pContainerImplementation )
, m_aInterfaceType ( aType )
{
}
OConnectionPointHelper::~OConnectionPointHelper()
{
}
//____________________________________________________________________________________________________________
// XInterface
//____________________________________________________________________________________________________________
Any SAL_CALL OConnectionPointHelper::queryInterface( const Type& aType ) throw( RuntimeException )
{
// Attention:
// Don't use mutex or guard in this method!!! Is a method of XInterface.
// Ask for my own supported interfaces ...
Any aReturn ( ::cppu::queryInterface( aType ,
static_cast< XConnectionPoint* > ( this )
)
);
// If searched interface not supported by this class ...
if ( aReturn.hasValue() == sal_False )
{
// ... ask baseclasses.
aReturn = OWeakObject::queryInterface( aType );
}
return aReturn ;
}
//____________________________________________________________________________________________________________
// XInterface
//____________________________________________________________________________________________________________
void SAL_CALL OConnectionPointHelper::acquire() throw()
{
// Attention:
// Don't use mutex or guard in this method!!! Is a method of XInterface.
// Forward to baseclass
OWeakObject::acquire();
}
//____________________________________________________________________________________________________________
// XInterface
//____________________________________________________________________________________________________________
void SAL_CALL OConnectionPointHelper::release() throw()
{
// Attention:
// Don't use mutex or guard in this method!!! Is a method of XInterface.
// Forward to baseclass
OWeakObject::release();
}
//______________________________________________________________________________________________________________
// XConnectionPoint
//______________________________________________________________________________________________________________
Type SAL_CALL OConnectionPointHelper::getConnectionType() throw( RuntimeException )
{
// Ready for multithreading
MutexGuard aGuard( m_aSharedMutex );
// Set default return value, if method failed.
if ( impl_LockContainer() == sal_False )
{
// Container not exist! Its an runtime error.
throw RuntimeException();
}
// If container reference valid, return right type of supported interfaces of THIS connectionpoint.
Type aReturnType = m_aInterfaceType ;
// Don't forget this!
impl_UnlockContainer();
return aReturnType;
}
//______________________________________________________________________________________________________________
// XConnectionPoint
//______________________________________________________________________________________________________________
Reference< XConnectionPointContainer > SAL_CALL OConnectionPointHelper::getConnectionPointContainer() throw( RuntimeException )
{
// Ready for multithreading
MutexGuard aGuard( m_aSharedMutex );
// Convert weakreference to correct uno3-reference and return value. It can be NULL, if container destroyed!
return Reference< XConnectionPointContainer >( m_oContainerWeakReference.get(), UNO_QUERY );
}
//______________________________________________________________________________________________________________
// XConnectionPoint
//______________________________________________________________________________________________________________
void SAL_CALL OConnectionPointHelper::advise( const Reference< XInterface >& xListener ) throw( ListenerExistException ,
InvalidListenerException ,
RuntimeException )
{
// Ready for multithreading
MutexGuard aGuard( m_aSharedMutex );
// If type of listener not the same for this special container ...
Any aCheckType = xListener->queryInterface( m_aInterfaceType );
if ( aCheckType.hasValue() )
{
// ... throw an exception.
throw InvalidListenerException();
}
// ListenerExistException is obsolete!?
// Its the same container for XConnectionPointContainer and XConnectionPoint. But only here we must control, if a listener already exist!?
// You can add a listener more then one time at XConnectionPointContainer, but here only one ...
// Operation is permitted only, if reference to container is valid!
if ( impl_LockContainer() == sal_False )
{
// Container not exist! Its an runtime error.
throw RuntimeException();
}
// Forward it to OConnectionPointHelperContainer!
m_pContainerImplementation->advise( m_aInterfaceType, xListener );
// Don't forget this!
impl_UnlockContainer();
}
//______________________________________________________________________________________________________________
// XConnectionPoint
//______________________________________________________________________________________________________________
void SAL_CALL OConnectionPointHelper::unadvise( const Reference< XInterface >& xListener ) throw( RuntimeException )
{
// Ready for multithreading
MutexGuard aGuard( m_aSharedMutex );
// Operation is permitted only, if reference to container is valid!
if ( impl_LockContainer() == sal_False )
{
// Container not exist! Its an runtime error.
throw RuntimeException();
}
// Forward it to OConnectionPointHelperContainer!
m_pContainerImplementation->unadvise( m_aInterfaceType, xListener );
// Don't forget this!
impl_UnlockContainer();
}
//______________________________________________________________________________________________________________
// XConnectionPoint
//______________________________________________________________________________________________________________
Sequence< Reference< XInterface > > SAL_CALL OConnectionPointHelper::getConnections() throw( RuntimeException )
{
// Ready for multithreading
MutexGuard aGuard( m_aSharedMutex );
// Operation is permitted only, if reference to container is valid!
if ( impl_LockContainer() == sal_False )
{
// Container not exist! Its an runtime error.
throw RuntimeException();
}
// Set default return value, if method failed.
Sequence< Reference< XInterface > > seqReturnConnections = Sequence< Reference< XInterface > >();
// Get reference to private member of OConnectionPointHelperContainer!
OMultiTypeInterfaceContainerHelper& aSharedContainer = m_pContainerImplementation->impl_getMultiTypeContainer();
// Get pointer to specialized container which hold all interfaces of searched type.
OInterfaceContainerHelper* pSpecialContainer = aSharedContainer.getContainer( m_aInterfaceType );
// Get elements of searched type, if somelse exist.
if ( pSpecialContainer != NULL )
{
seqReturnConnections = pSpecialContainer->getElements();
}
// Don't forget this!
impl_UnlockContainer();
return seqReturnConnections;
}
//______________________________________________________________________________________________________________
// private method
//______________________________________________________________________________________________________________
sal_Bool OConnectionPointHelper::impl_LockContainer()
{
// Convert weakreference to hard uno3-reference and return state.
// If this reference different from NULL, there exist a hard reference to container. Container-instance can't be destroyed.
// Don't forget to "unlock" this reference!
m_xLock = m_oContainerWeakReference.get();
return m_xLock.is();
}
//______________________________________________________________________________________________________________
// private method
//______________________________________________________________________________________________________________
void OConnectionPointHelper::impl_UnlockContainer()
{
// Free hard uno3-reference to container.
// see also "impl_LockContainer()"
m_xLock = Reference< XInterface >();
}
} // namespace unocontrols
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
