Line data Source code
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 :
21 : #include "vcl/vclevent.hxx"
22 :
23 : #include "svdata.hxx"
24 :
25 : #include <com/sun/star/accessibility/XAccessible.hpp>
26 :
27 : using ::com::sun::star::uno::Reference;
28 : using ::com::sun::star::accessibility::XAccessible;
29 :
30 0 : TYPEINIT0(VclSimpleEvent);
31 1261968 : TYPEINIT1(VclWindowEvent, VclSimpleEvent);
32 0 : TYPEINIT1(VclMenuEvent, VclSimpleEvent);
33 :
34 0 : VclAccessibleEvent::VclAccessibleEvent( sal_uLong n, const Reference<XAccessible>& rxAccessible ) :
35 : VclSimpleEvent(n),
36 0 : mxAccessible(rxAccessible)
37 : {
38 0 : }
39 :
40 0 : VclAccessibleEvent::~VclAccessibleEvent()
41 : {
42 0 : }
43 :
44 0 : Reference<XAccessible> VclAccessibleEvent::GetAccessible() const
45 : {
46 0 : return mxAccessible;
47 : }
48 :
49 393289 : void VclEventListeners::Call( VclSimpleEvent* pEvent ) const
50 : {
51 393289 : if ( m_aListeners.empty() )
52 393289 : return;
53 :
54 : // Copy the list, because this can be destroyed when calling a Link...
55 187171 : std::list<Link> aCopy( m_aListeners );
56 187171 : std::list<Link>::iterator aIter( aCopy.begin() );
57 187171 : if( pEvent->IsA( VclWindowEvent::StaticType() ) )
58 : {
59 187171 : VclWindowEvent* pWinEvent = static_cast<VclWindowEvent*>(pEvent);
60 187171 : ImplDelData aDel( pWinEvent->GetWindow() );
61 1967832 : while ( aIter != aCopy.end() && ! aDel.IsDead() )
62 : {
63 1593490 : Link &rLink = *aIter;
64 : // check this hasn't been removed in some re-enterancy scenario fdo#47368
65 1593490 : if( std::find(m_aListeners.begin(), m_aListeners.end(), rLink) != m_aListeners.end() )
66 1593490 : rLink.Call( pEvent );
67 1593490 : aIter++;
68 187171 : }
69 : }
70 : else
71 : {
72 0 : while ( aIter != aCopy.end() )
73 : {
74 0 : Link &rLink = *aIter;
75 0 : if( std::find(m_aListeners.begin(), m_aListeners.end(), rLink) != m_aListeners.end() )
76 0 : rLink.Call( pEvent );
77 0 : aIter++;
78 : }
79 187171 : }
80 : }
81 :
82 0 : sal_Bool VclEventListeners::Process( VclSimpleEvent* pEvent ) const
83 : {
84 0 : if ( m_aListeners.empty() )
85 0 : return sal_False;
86 :
87 0 : sal_Bool bProcessed = sal_False;
88 : // Copy the list, because this can be destroyed when calling a Link...
89 0 : std::list<Link> aCopy( m_aListeners );
90 0 : std::list<Link>::iterator aIter( aCopy.begin() );
91 0 : while ( aIter != aCopy.end() )
92 : {
93 0 : if( (*aIter).Call( pEvent ) != 0 )
94 : {
95 0 : bProcessed = sal_True;
96 0 : break;
97 : }
98 0 : aIter++;
99 : }
100 0 : return bProcessed;
101 : }
102 :
103 5248 : void VclEventListeners::addListener( const Link& rListener )
104 : {
105 5248 : m_aListeners.push_back( rListener );
106 5248 : }
107 :
108 2605 : void VclEventListeners::removeListener( const Link& rListener )
109 : {
110 2605 : m_aListeners.remove( rListener );
111 2605 : }
112 :
113 0 : VclEventListeners2::VclEventListeners2()
114 : {
115 0 : }
116 :
117 0 : VclEventListeners2::~VclEventListeners2()
118 : {
119 0 : }
120 :
121 0 : void VclEventListeners2::addListener( const Link& i_rLink )
122 : {
123 : // ensure uniqueness
124 0 : for( std::list< Link >::const_iterator it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
125 : {
126 0 : if( *it == i_rLink )
127 0 : return;
128 : }
129 0 : m_aListeners.push_back( i_rLink );
130 : }
131 :
132 0 : void VclEventListeners2::removeListener( const Link& i_rLink )
133 : {
134 0 : size_t n = m_aIterators.size();
135 0 : for( size_t i = 0; i < n; i++ )
136 : {
137 0 : if( m_aIterators[i].m_aIt != m_aListeners.end() && *m_aIterators[i].m_aIt == i_rLink )
138 : {
139 0 : m_aIterators[i].m_bWasInvalidated = true;
140 0 : ++m_aIterators[i].m_aIt;
141 : }
142 : }
143 0 : m_aListeners.remove( i_rLink );
144 0 : }
145 :
146 0 : void VclEventListeners2::callListeners( VclSimpleEvent* i_pEvent )
147 : {
148 0 : vcl::DeletionListener aDel( this );
149 :
150 0 : m_aIterators.push_back(ListenerIt(m_aListeners.begin()));
151 0 : size_t nIndex = m_aIterators.size() - 1;
152 0 : while( ! aDel.isDeleted() && m_aIterators[ nIndex ].m_aIt != m_aListeners.end() )
153 : {
154 0 : m_aIterators[ nIndex ].m_aIt->Call( i_pEvent );
155 0 : if( m_aIterators[ nIndex ].m_bWasInvalidated )
156 : // check if the current element was removed and the iterator increased in the meantime
157 0 : m_aIterators[ nIndex ].m_bWasInvalidated = false;
158 : else
159 0 : ++m_aIterators[ nIndex ].m_aIt;
160 : }
161 0 : m_aIterators.pop_back();
162 0 : }
163 :
164 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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