xref: /aoo42x/main/sot/source/base/object.cxx (revision 046d9d1f)
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_sot.hxx"
26 
27 #define _SOT_OBJECT_CXX
28 
29 #include <tools/debug.hxx>
30 #include <sot/object.hxx>
31 #include <sot/factory.hxx>
32 #include <sot/agg.hxx>
33 
34 /************** class SotObject ******************************************/
35 class SotObjectFactory : public SotFactory
36 {
37 public:
38  		TYPEINFO();
SotObjectFactory(const SvGlobalName & rName,const String & rClassName,CreateInstanceType pCreateFuncP)39 		SotObjectFactory( const SvGlobalName & rName,
40 					  		const String & rClassName,
41 					  		CreateInstanceType pCreateFuncP )
42 			: SotFactory( rName, rClassName, pCreateFuncP )
43 		{}
44 };
45 TYPEINIT1(SotObjectFactory,SotFactory);
46 
47 
48 SO2_IMPL_BASIC_CLASS_DLL(SotObject,SotObjectFactory,
49 					SvGlobalName( 0xf44b7830, 0xf83c, 0x11d0,
50 							0xaa, 0xa1, 0x0, 0xa0, 0x24, 0x9d, 0x55, 0x90 ) )
SO2_IMPL_INVARIANT(SotObject)51 SO2_IMPL_INVARIANT(SotObject)
52 
53 /*************************************************************************
54 |*  SotObject::TestMemberObjRef()
55 |*
56 |*	Beschreibung:
57 *************************************************************************/
58 void SotObject::TestMemberObjRef( sal_Bool /*bFree*/ )
59 {
60 }
61 
62 /*************************************************************************
63 |*  SotObject::TestMemberObjRef()
64 |*
65 |*	Beschreibung:
66 *************************************************************************/
67 #ifdef TEST_INVARIANT
TestMemberInvariant(sal_Bool)68 void SotObject::TestMemberInvariant( sal_Bool /*bPrint*/ )
69 {
70 }
71 #endif
72 
73 /*************************************************************************
74 |*    SotObject::SotObject()
75 |*
76 |*    Beschreibung
77 *************************************************************************/
SotObject()78 SotObject::SotObject()
79     : nStrongLockCount( 0 )
80 	, nOwnerLockCount( 0 )
81     , bOwner      ( sal_True )
82     , bSVObject   ( sal_False )
83     , bInClose	  ( sal_False )
84 {
85 	SotFactory::IncSvObjectCount( this );
86 }
87 
88 /*************************************************************************
89 |*
90 |*    SotObject::~SotObject()
91 |*
92 |*    Beschreibung
93 |*    Ersterstellung    MM 05.06.94
94 |*    Letzte Aenderung  MM 05.06.94
95 |*
96 *************************************************************************/
~SotObject()97 SotObject::~SotObject()
98 {
99 	SotFactory::DecSvObjectCount( this );
100 }
101 
102 /*************************************************************************
103 |*    SotObject::GetInterface()
104 |*
105 |*    Beschreibung: Um so3 zu helfen
106 *************************************************************************/
GetInterface(const SvGlobalName &)107 IUnknown * SotObject::GetInterface( const SvGlobalName & )
108 {
109 	return NULL;
110 }
111 
112 /*************************************************************************
113 |*    SotObject::CastAndAddRef()
114 |*
115 |*    Beschreibung
116 *************************************************************************/
CastAndAddRef(const SotFactory * pFact)117 void* SotObject::CastAndAddRef( const SotFactory * pFact )
118 {
119 	void * pCast = Cast( pFact );
120 	if( pCast )
121 		AddRef();
122 	return pCast;
123 }
124 
125 //=========================================================================
Lock(sal_Bool bLock)126 sal_uInt16 SotObject::Lock( sal_Bool bLock )
127 {
128 	SotObjectRef xHoldAlive( this );
129 	sal_uInt16 nRet;
130 	if( bLock )
131 	{
132 		AddRef();
133 		nRet = ++nStrongLockCount;
134 	}
135 	else
136 	{
137 		nRet = --nStrongLockCount;
138 		ReleaseRef();
139 	}
140 
141 	if( !nRet && !nOwnerLockCount )
142 		DoClose();
143 
144 	return nRet;
145 }
146 
147 //=========================================================================
OwnerLock(sal_Bool bLock)148 void SotObject::OwnerLock
149 (
150 	sal_Bool bLock		/* sal_True, lock. sal_False, unlock. */
151 )
152 /*	[Beschreibung]
153 
154 	Wenn der OwnerLock auf Null dekrementiert, dann wird die Methode
155 	DoClose gerufen. Dies geschieht unabh"angig vom Lock. bzw. RefCount.
156 	Ist der OwnerLock-Z"ahler != Null, dann wird kein DoClose durch
157 	<SotObject::FuzzyLock> gerufen.
158 */
159 {
160 	if( bLock )
161 	{
162 		nOwnerLockCount++;
163 		AddRef();
164 	}
165 	else if ( nOwnerLockCount )
166 	{
167 		if( 0 == --nOwnerLockCount )
168 			DoClose();
169 		ReleaseRef();
170 	}
171 }
172 
RemoveOwnerLock()173 void SotObject::RemoveOwnerLock()
174 {
175 	if ( nOwnerLockCount )
176 	{
177 		--nOwnerLockCount;
178 		ReleaseRef();
179 	}
180 	else {
181 		DBG_ERROR("OwnerLockCount underflow!");
182     }
183 }
184 
185 //=========================================================================
DoClose()186 sal_Bool SotObject::DoClose()
187 {
188 	sal_Bool bRet = sal_False;
189 	if( !bInClose )
190 	{
191 		SotObjectRef xHoldAlive( this );
192 		bInClose = sal_True;
193 		bRet = Close();
194 		bInClose = sal_False;
195 	}
196 	return bRet;
197 }
198 
199 //=========================================================================
Close()200 sal_Bool SotObject::Close()
201 {
202 	return sal_True;
203 }
204 
205 
206