xref: /aoo41x/main/sc/source/core/tool/addinlis.cxx (revision b3f79822)
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_sc.hxx"
26 
27 
28 
29 #include <tools/debug.hxx>
30 #include <sfx2/objsh.hxx>
31 
32 
33 #include "addinlis.hxx"
34 #include "miscuno.hxx"		// SC_IMPL_SERVICE_INFO
35 #include "document.hxx"
36 #include "brdcst.hxx"
37 #include "unoguard.hxx"
38 #include "sc.hrc"
39 
40 using namespace com::sun::star;
41 
42 //------------------------------------------------------------------------
43 
44 //SMART_UNO_IMPLEMENTATION( ScAddInListener, UsrObject );
45 
46 SC_SIMPLE_SERVICE_INFO( ScAddInListener, "ScAddInListener", "stardiv.one.sheet.AddInListener" )
47 
48 //------------------------------------------------------------------------
49 
50 List ScAddInListener::aAllListeners;
51 
52 //------------------------------------------------------------------------
53 
54 //	static
CreateListener(uno::Reference<sheet::XVolatileResult> xVR,ScDocument * pDoc)55 ScAddInListener* ScAddInListener::CreateListener(
56 						uno::Reference<sheet::XVolatileResult> xVR, ScDocument* pDoc )
57 {
58 	ScAddInListener* pNew = new ScAddInListener( xVR, pDoc );
59 
60 	pNew->acquire();								// for aAllListeners
61 	aAllListeners.Insert( pNew, LIST_APPEND );
62 
63 	if ( xVR.is() )
64 		xVR->addResultListener( pNew );				// after at least 1 ref exists!
65 
66 	return pNew;
67 }
68 
ScAddInListener(uno::Reference<sheet::XVolatileResult> xVR,ScDocument * pDoc)69 ScAddInListener::ScAddInListener( uno::Reference<sheet::XVolatileResult> xVR, ScDocument* pDoc ) :
70 	xVolRes( xVR )
71 {
72 	pDocs = new ScAddInDocs( 1, 1 );
73 	pDocs->Insert( pDoc );
74 }
75 
~ScAddInListener()76 ScAddInListener::~ScAddInListener()
77 {
78 	delete pDocs;
79 }
80 
81 // static
Get(uno::Reference<sheet::XVolatileResult> xVR)82 ScAddInListener* ScAddInListener::Get( uno::Reference<sheet::XVolatileResult> xVR )
83 {
84 	sheet::XVolatileResult* pComp = xVR.get();
85 
86 	sal_uLong nCount = aAllListeners.Count();
87 	for (sal_uLong nPos=0; nPos<nCount; nPos++)
88 	{
89 		ScAddInListener* pLst = (ScAddInListener*)aAllListeners.GetObject(nPos);
90 		if ( pComp == (sheet::XVolatileResult*)pLst->xVolRes.get() )
91 			return pLst;
92 	}
93 	return NULL;		// not found
94 }
95 
96 //!	move to some container object?
97 // static
RemoveDocument(ScDocument * pDocumentP)98 void ScAddInListener::RemoveDocument( ScDocument* pDocumentP )
99 {
100 	sal_uLong nPos = aAllListeners.Count();
101 	while (nPos)
102 	{
103 		//	loop backwards because elements are removed
104 		--nPos;
105 		ScAddInListener* pLst = (ScAddInListener*)aAllListeners.GetObject(nPos);
106 		ScAddInDocs* p = pLst->pDocs;
107 		sal_uInt16 nFoundPos;
108 		if ( p->Seek_Entry( pDocumentP, &nFoundPos ) )
109 		{
110 			p->Remove( nFoundPos );
111 			if ( p->Count() == 0 )
112 			{
113 				// this AddIn is no longer used
114 				//	dont delete, just remove the ref for the list
115 
116 				aAllListeners.Remove( nPos );
117 
118 				if ( pLst->xVolRes.is() )
119 					pLst->xVolRes->removeResultListener( pLst );
120 
121 				pLst->release();	// Ref for aAllListeners - pLst may be deleted here
122 			}
123 		}
124 	}
125 }
126 
127 //------------------------------------------------------------------------
128 
129 // XResultListener
130 
modified(const::com::sun::star::sheet::ResultEvent & aEvent)131 void SAL_CALL ScAddInListener::modified( const ::com::sun::star::sheet::ResultEvent& aEvent )
132 								throw(::com::sun::star::uno::RuntimeException)
133 {
134 	ScUnoGuard aGuard;			//! or generate a UserEvent
135 
136 	aResult = aEvent.Value;		// store result
137 
138 	if ( !HasListeners() )
139 	{
140 		//!	remove from list and removeListener, as in RemoveDocument ???
141 
142 #if 0
143 		//!	this will crash if called before first StartListening !!!
144 		aAllListeners.Remove( this );
145 		if ( xVolRes.is() )
146 			xVolRes->removeResultListener( this );
147 		release();	// Ref for aAllListeners - this may be deleted here
148 		return;
149 #endif
150 	}
151 
152 	//	notify document of changes
153 
154 	Broadcast( ScHint( SC_HINT_DATACHANGED, ScAddress(), NULL ) );
155 
156 	const ScDocument** ppDoc = (const ScDocument**) pDocs->GetData();
157 	sal_uInt16 nCount = pDocs->Count();
158 	for ( sal_uInt16 j=0; j<nCount; j++, ppDoc++ )
159 	{
160 		ScDocument* pDoc = (ScDocument*)*ppDoc;
161 		pDoc->TrackFormulas();
162 		pDoc->GetDocumentShell()->Broadcast( SfxSimpleHint( FID_DATACHANGED ) );
163 		pDoc->ResetChanged( ScRange(0,0,0,MAXCOL,MAXROW,MAXTAB) );
164 	}
165 }
166 
167 // XEventListener
168 
disposing(const::com::sun::star::lang::EventObject &)169 void SAL_CALL ScAddInListener::disposing( const ::com::sun::star::lang::EventObject& /* Source */ )
170 								throw(::com::sun::star::uno::RuntimeException)
171 {
172 	// hold a ref so this is not deleted at removeResultListener
173 	uno::Reference<sheet::XResultListener> xRef( this );
174 
175 	if ( xVolRes.is() )
176 	{
177 		xVolRes->removeResultListener( this );
178 		xVolRes = NULL;
179 	}
180 }
181 
182 
183 //------------------------------------------------------------------------
184 
185 
186 
187