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2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
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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
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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.
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20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_dbaccess.hxx"
26 
27 #ifndef _DBAUI_MODULE_DBU_HXX_
28 #include "moduledbu.hxx"
29 #endif
30 
31 #ifndef _TOOLS_RESMGR_HXX
32 #include <tools/resmgr.hxx>
33 #endif
34 #ifndef _SOLAR_HRC
35 #include <svl/solar.hrc>
36 #endif
37 #ifndef _TOOLS_DEBUG_HXX
38 #include <tools/debug.hxx>
39 #endif
40 
41 #define ENTER_MOD_METHOD()	\
42 	::osl::MutexGuard aGuard(s_aMutex);	\
43 	ensureImpl()
44 
45 //.........................................................................
46 namespace dbaui
47 {
48 //.........................................................................
49 
50 //=========================================================================
51 //= OModuleImpl
52 //=========================================================================
53 /** implementation for <type>OModule</type>. not threadsafe, has to be guarded by it's owner
54 */
55 class OModuleImpl
56 {
57 	ResMgr*	m_pRessources;
58 
59 public:
60 	/// ctor
61 	OModuleImpl();
62 	~OModuleImpl();
63 
64 	/// get the manager for the ressources of the module
65 	ResMgr*	getResManager();
66 };
67 
68 DBG_NAME(OModuleImpl)
69 //-------------------------------------------------------------------------
70 OModuleImpl::OModuleImpl()
71 	:m_pRessources(NULL)
72 {
73     DBG_CTOR(OModuleImpl,NULL);
74 
75 }
76 
77 //-------------------------------------------------------------------------
78 OModuleImpl::~OModuleImpl()
79 {
80 	if (m_pRessources)
81 		delete m_pRessources;
82 
83     DBG_DTOR(OModuleImpl,NULL);
84 }
85 
86 //-------------------------------------------------------------------------
87 ResMgr*	OModuleImpl::getResManager()
88 {
89 	// note that this method is not threadsafe, which counts for the whole class !
90 
91 	if (!m_pRessources)
92 	{
93 		// create a manager with a fixed prefix
94 		ByteString aMgrName = ByteString( "dbu" );
95 		m_pRessources = ResMgr::CreateResMgr(aMgrName.GetBuffer());
96 	}
97 	return m_pRessources;
98 }
99 
100 //=========================================================================
101 //= OModule
102 //=========================================================================
103 ::osl::Mutex	OModule::s_aMutex;
104 sal_Int32		OModule::s_nClients = 0;
105 OModuleImpl*	OModule::s_pImpl = NULL;
106 //-------------------------------------------------------------------------
107 ResMgr*	OModule::getResManager()
108 {
109 	ENTER_MOD_METHOD();
110 	return s_pImpl->getResManager();
111 }
112 
113 //-------------------------------------------------------------------------
114 void OModule::registerClient()
115 {
116 	::osl::MutexGuard aGuard(s_aMutex);
117 	++s_nClients;
118 }
119 
120 //-------------------------------------------------------------------------
121 void OModule::revokeClient()
122 {
123 	::osl::MutexGuard aGuard(s_aMutex);
124 	if (!--s_nClients && s_pImpl)
125 	{
126 		delete s_pImpl;
127 		s_pImpl = NULL;
128 	}
129 }
130 
131 //-------------------------------------------------------------------------
132 void OModule::ensureImpl()
133 {
134 	if (s_pImpl)
135 		return;
136 	s_pImpl = new OModuleImpl();
137 }
138 
139 //.........................................................................
140 }	// namespace dbaui
141 //.........................................................................
142 
143