1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_svl.hxx"
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski #ifndef GCC
28*b1cdbd2cSJim Jagielski #endif
29*b1cdbd2cSJim Jagielski #include <tools/debug.hxx>
30*b1cdbd2cSJim Jagielski
31*b1cdbd2cSJim Jagielski #include <svl/listener.hxx>
32*b1cdbd2cSJim Jagielski #include <svl/listeneriter.hxx>
33*b1cdbd2cSJim Jagielski #include <svl/broadcast.hxx>
34*b1cdbd2cSJim Jagielski #include <svl/smplhint.hxx>
35*b1cdbd2cSJim Jagielski
36*b1cdbd2cSJim Jagielski
37*b1cdbd2cSJim Jagielski //====================================================================
38*b1cdbd2cSJim Jagielski TYPEINIT0(SvtBroadcaster);
39*b1cdbd2cSJim Jagielski
40*b1cdbd2cSJim Jagielski //====================================================================
41*b1cdbd2cSJim Jagielski
42*b1cdbd2cSJim Jagielski // simple ctor of class SvtBroadcaster
43*b1cdbd2cSJim Jagielski
SvtBroadcaster()44*b1cdbd2cSJim Jagielski SvtBroadcaster::SvtBroadcaster()
45*b1cdbd2cSJim Jagielski : pRoot( 0 )
46*b1cdbd2cSJim Jagielski {
47*b1cdbd2cSJim Jagielski }
48*b1cdbd2cSJim Jagielski
49*b1cdbd2cSJim Jagielski //--------------------------------------------------------------------
50*b1cdbd2cSJim Jagielski
51*b1cdbd2cSJim Jagielski // copy ctor of class SvtBroadcaster
52*b1cdbd2cSJim Jagielski
SvtBroadcaster(const SvtBroadcaster & rBC)53*b1cdbd2cSJim Jagielski SvtBroadcaster::SvtBroadcaster( const SvtBroadcaster &rBC )
54*b1cdbd2cSJim Jagielski : pRoot( 0 )
55*b1cdbd2cSJim Jagielski {
56*b1cdbd2cSJim Jagielski SvtListenerIter aIter( (SvtBroadcaster&)rBC );
57*b1cdbd2cSJim Jagielski SvtListener* pLast = aIter.GoStart();
58*b1cdbd2cSJim Jagielski if( pLast )
59*b1cdbd2cSJim Jagielski do {
60*b1cdbd2cSJim Jagielski pLast->StartListening( *this );
61*b1cdbd2cSJim Jagielski } while( 0 != ( pLast = aIter.GoNext() ));
62*b1cdbd2cSJim Jagielski }
63*b1cdbd2cSJim Jagielski
64*b1cdbd2cSJim Jagielski //--------------------------------------------------------------------
65*b1cdbd2cSJim Jagielski
66*b1cdbd2cSJim Jagielski // unregister all listeners
67*b1cdbd2cSJim Jagielski
~SvtBroadcaster()68*b1cdbd2cSJim Jagielski SvtBroadcaster::~SvtBroadcaster()
69*b1cdbd2cSJim Jagielski {
70*b1cdbd2cSJim Jagielski Broadcast( SfxSimpleHint(SFX_HINT_DYING) );
71*b1cdbd2cSJim Jagielski
72*b1cdbd2cSJim Jagielski SvtListenerIter aIter( *this );
73*b1cdbd2cSJim Jagielski SvtListener* pLast = aIter.GoStart();
74*b1cdbd2cSJim Jagielski if( pLast )
75*b1cdbd2cSJim Jagielski do {
76*b1cdbd2cSJim Jagielski pLast->EndListening( *this );
77*b1cdbd2cSJim Jagielski if( !HasListeners() ) // all gone ??
78*b1cdbd2cSJim Jagielski break;
79*b1cdbd2cSJim Jagielski } while( 0 != ( pLast = aIter.GoNext() ));
80*b1cdbd2cSJim Jagielski }
81*b1cdbd2cSJim Jagielski
82*b1cdbd2cSJim Jagielski //--------------------------------------------------------------------
83*b1cdbd2cSJim Jagielski
84*b1cdbd2cSJim Jagielski // broadcast immedeately
85*b1cdbd2cSJim Jagielski
Broadcast(const SfxHint & rHint)86*b1cdbd2cSJim Jagielski void SvtBroadcaster::Broadcast( const SfxHint &rHint )
87*b1cdbd2cSJim Jagielski {
88*b1cdbd2cSJim Jagielski // is anybody to notify?
89*b1cdbd2cSJim Jagielski if( HasListeners() /* && !IsModifyLocked()*/ )
90*b1cdbd2cSJim Jagielski {
91*b1cdbd2cSJim Jagielski // LockModify();
92*b1cdbd2cSJim Jagielski // bInModify = sal_True;
93*b1cdbd2cSJim Jagielski
94*b1cdbd2cSJim Jagielski SvtListenerIter aIter( *this );
95*b1cdbd2cSJim Jagielski SvtListener* pLast = aIter.GoStart();
96*b1cdbd2cSJim Jagielski if( pLast )
97*b1cdbd2cSJim Jagielski do {
98*b1cdbd2cSJim Jagielski pLast->Notify( *this, rHint );
99*b1cdbd2cSJim Jagielski if( !HasListeners() ) // all gone ??
100*b1cdbd2cSJim Jagielski break;
101*b1cdbd2cSJim Jagielski } while( 0 != ( pLast = aIter.GoNext() ));
102*b1cdbd2cSJim Jagielski
103*b1cdbd2cSJim Jagielski // bInModify = sal_False;
104*b1cdbd2cSJim Jagielski // UnlockModify();
105*b1cdbd2cSJim Jagielski }
106*b1cdbd2cSJim Jagielski }
107*b1cdbd2cSJim Jagielski
108*b1cdbd2cSJim Jagielski //--------------------------------------------------------------------
109*b1cdbd2cSJim Jagielski
110*b1cdbd2cSJim Jagielski
111*b1cdbd2cSJim Jagielski // called, if no more listeners exists
112*b1cdbd2cSJim Jagielski
ListenersGone()113*b1cdbd2cSJim Jagielski void SvtBroadcaster::ListenersGone()
114*b1cdbd2cSJim Jagielski {
115*b1cdbd2cSJim Jagielski }
116*b1cdbd2cSJim Jagielski
117*b1cdbd2cSJim Jagielski //--------------------------------------------------------------------
118*b1cdbd2cSJim Jagielski
119*b1cdbd2cSJim Jagielski // forward a notification to all registered listeners
120*b1cdbd2cSJim Jagielski
Forward(SvtBroadcaster & rBC,const SfxHint & rHint)121*b1cdbd2cSJim Jagielski void SvtBroadcaster::Forward( SvtBroadcaster& rBC, const SfxHint& rHint )
122*b1cdbd2cSJim Jagielski {
123*b1cdbd2cSJim Jagielski // is anybody to notify?
124*b1cdbd2cSJim Jagielski if( rBC.HasListeners() /* && !IsModifyLocked()*/ )
125*b1cdbd2cSJim Jagielski {
126*b1cdbd2cSJim Jagielski // LockModify();
127*b1cdbd2cSJim Jagielski // bInModify = sal_True;
128*b1cdbd2cSJim Jagielski
129*b1cdbd2cSJim Jagielski SvtListenerIter aIter( rBC );
130*b1cdbd2cSJim Jagielski SvtListener* pLast = aIter.GoStart();
131*b1cdbd2cSJim Jagielski if( pLast )
132*b1cdbd2cSJim Jagielski do {
133*b1cdbd2cSJim Jagielski pLast->Notify( rBC, rHint );
134*b1cdbd2cSJim Jagielski if( !rBC.HasListeners() ) // all gone ??
135*b1cdbd2cSJim Jagielski break;
136*b1cdbd2cSJim Jagielski } while( 0 != ( pLast = aIter.GoNext() ));
137*b1cdbd2cSJim Jagielski
138*b1cdbd2cSJim Jagielski // bInModify = sal_False;
139*b1cdbd2cSJim Jagielski // UnlockModify();
140*b1cdbd2cSJim Jagielski }
141*b1cdbd2cSJim Jagielski }
142*b1cdbd2cSJim Jagielski
143*b1cdbd2cSJim Jagielski
144*b1cdbd2cSJim Jagielski
145