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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "featuredispatcher.hxx"
21 :
22 : //........................................................................
23 : namespace frm
24 : {
25 : //........................................................................
26 :
27 : using namespace ::com::sun::star::uno;
28 : using namespace ::com::sun::star::frame;
29 : using namespace ::com::sun::star::lang;
30 : using namespace ::com::sun::star::util;
31 :
32 : //====================================================================
33 : //= ORichTextFeatureDispatcher
34 : //====================================================================
35 : //--------------------------------------------------------------------
36 0 : ORichTextFeatureDispatcher::ORichTextFeatureDispatcher( EditView& _rView, const URL& _rURL )
37 : :m_aFeatureURL( _rURL )
38 : ,m_aStatusListeners( m_aMutex )
39 : ,m_pEditView( &_rView )
40 0 : ,m_bDisposed( false )
41 : {
42 0 : }
43 :
44 : //--------------------------------------------------------------------
45 0 : ORichTextFeatureDispatcher::~ORichTextFeatureDispatcher( )
46 : {
47 0 : if ( !m_bDisposed )
48 : {
49 0 : acquire();
50 0 : dispose();
51 : }
52 0 : }
53 :
54 : //--------------------------------------------------------------------
55 0 : void ORichTextFeatureDispatcher::dispose()
56 : {
57 0 : EventObject aEvent( *this );
58 0 : m_aStatusListeners.disposeAndClear( aEvent );
59 :
60 0 : ::osl::ClearableMutexGuard aGuard( m_aMutex );
61 0 : m_bDisposed = true;
62 0 : disposing( aGuard );
63 0 : }
64 :
65 : //--------------------------------------------------------------------
66 0 : void ORichTextFeatureDispatcher::disposing( ::osl::ClearableMutexGuard& /*_rClearBeforeNotify*/ )
67 : {
68 0 : m_pEditView = NULL;
69 0 : }
70 :
71 : //--------------------------------------------------------------------
72 0 : void SAL_CALL ORichTextFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
73 : {
74 : OSL_ENSURE( !m_bDisposed, "ORichTextFeatureDispatcher::addStatusListener: already disposed!" );
75 0 : if ( m_bDisposed )
76 0 : throw DisposedException();
77 :
78 : OSL_ENSURE( _rURL.Complete == getFeatureURL().Complete, "ORichTextFeatureDispatcher::addStatusListener: invalid URL!" );
79 0 : if ( _rURL.Complete == getFeatureURL().Complete )
80 0 : if ( _rxControl.is() )
81 : {
82 0 : m_aStatusListeners.addInterface( _rxControl );
83 0 : newStatusListener( _rxControl );
84 : }
85 0 : }
86 :
87 : //--------------------------------------------------------------------
88 0 : void SAL_CALL ORichTextFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& /*_rURL*/ ) throw (RuntimeException)
89 : {
90 0 : m_aStatusListeners.removeInterface( _rxControl );
91 0 : }
92 :
93 : //--------------------------------------------------------------------
94 0 : void ORichTextFeatureDispatcher::invalidate()
95 : {
96 0 : invalidateFeatureState_Broadcast();
97 0 : }
98 :
99 : //--------------------------------------------------------------------
100 0 : FeatureStateEvent ORichTextFeatureDispatcher::buildStatusEvent() const
101 : {
102 0 : FeatureStateEvent aEvent;
103 0 : aEvent.IsEnabled = sal_False;
104 0 : aEvent.Source = *const_cast< ORichTextFeatureDispatcher* >( this );
105 0 : aEvent.FeatureURL = getFeatureURL();
106 0 : aEvent.Requery = sal_False;
107 0 : return aEvent;
108 : }
109 :
110 : //--------------------------------------------------------------------
111 0 : void ORichTextFeatureDispatcher::invalidateFeatureState_Broadcast()
112 : {
113 0 : FeatureStateEvent aEvent( buildStatusEvent() );
114 0 : ::cppu::OInterfaceIteratorHelper aIter( getStatusListeners() );
115 0 : while ( aIter.hasMoreElements() )
116 0 : doNotify( static_cast< XStatusListener* >( aIter.next() ), aEvent );
117 0 : }
118 :
119 : //--------------------------------------------------------------------
120 0 : void ORichTextFeatureDispatcher::newStatusListener( const Reference< XStatusListener >& _rxListener )
121 : {
122 0 : doNotify( _rxListener, buildStatusEvent() );
123 0 : }
124 :
125 : //--------------------------------------------------------------------
126 0 : void ORichTextFeatureDispatcher::doNotify( const Reference< XStatusListener >& _rxListener, const FeatureStateEvent& _rEvent ) const SAL_THROW(())
127 : {
128 : OSL_PRECOND( _rxListener.is(), "ORichTextFeatureDispatcher::doNotify: invalid listener!" );
129 0 : if ( _rxListener.is() )
130 : {
131 : try
132 : {
133 0 : _rxListener->statusChanged( _rEvent );
134 : }
135 0 : catch( const Exception& )
136 : {
137 : OSL_FAIL( "ORichTextFeatureDispatcher::doNotify: caught an exception!" );
138 : }
139 : }
140 0 : }
141 :
142 : //........................................................................
143 : } // namespace frm
144 : //........................................................................
145 :
146 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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