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 : #include "vcl/vclevent.hxx"
21 :
22 : #include "svdata.hxx"
23 :
24 : #include <com/sun/star/accessibility/XAccessible.hpp>
25 :
26 : using ::com::sun::star::uno::Reference;
27 : using ::com::sun::star::accessibility::XAccessible;
28 :
29 47180 : TYPEINIT0(VclSimpleEvent);
30 89514990 : TYPEINIT1(VclWindowEvent, VclSimpleEvent);
31 164922 : TYPEINIT1(VclMenuEvent, VclSimpleEvent);
32 :
33 0 : VclAccessibleEvent::VclAccessibleEvent( sal_uLong n, const Reference<XAccessible>& rxAccessible ) :
34 : VclSimpleEvent(n),
35 0 : mxAccessible(rxAccessible)
36 : {
37 0 : }
38 :
39 0 : VclAccessibleEvent::~VclAccessibleEvent()
40 : {
41 0 : }
42 :
43 :
44 44250613 : void VclEventListeners::Call( VclSimpleEvent* pEvent ) const
45 : {
46 44250613 : if ( m_aListeners.empty() )
47 75309935 : return;
48 :
49 : // Copy the list, because this can be destroyed when calling a Link...
50 13191291 : std::list<Link> aCopy( m_aListeners );
51 13191291 : std::list<Link>::iterator aIter( aCopy.begin() );
52 13191291 : std::list<Link>::const_iterator aEnd( aCopy.end() );
53 13191291 : if( pEvent->IsA( VclWindowEvent::StaticType() ) )
54 : {
55 13167701 : VclWindowEvent* pWinEvent = static_cast<VclWindowEvent*>(pEvent);
56 13167701 : ImplDelData aDel( pWinEvent->GetWindow() );
57 46163894 : while ( aIter != aEnd && ! aDel.IsDead() )
58 : {
59 19828492 : Link &rLink = *aIter;
60 : // check this hasn't been removed in some re-enterancy scenario fdo#47368
61 19828492 : if( std::find(m_aListeners.begin(), m_aListeners.end(), rLink) != m_aListeners.end() )
62 19828492 : rLink.Call( pEvent );
63 19828492 : ++aIter;
64 13167701 : }
65 : }
66 : else
67 : {
68 70822 : while ( aIter != aEnd )
69 : {
70 23642 : Link &rLink = *aIter;
71 23642 : if( std::find(m_aListeners.begin(), m_aListeners.end(), rLink) != m_aListeners.end() )
72 23642 : rLink.Call( pEvent );
73 23642 : ++aIter;
74 : }
75 13191291 : }
76 : }
77 :
78 0 : bool VclEventListeners::Process( VclSimpleEvent* pEvent ) const
79 : {
80 0 : if ( m_aListeners.empty() )
81 0 : return false;
82 :
83 0 : bool bProcessed = false;
84 : // Copy the list, because this can be destroyed when calling a Link...
85 0 : std::list<Link> aCopy( m_aListeners );
86 0 : std::list<Link>::iterator aIter( aCopy.begin() );
87 0 : std::list<Link>::const_iterator aEnd( aCopy.end() );
88 0 : while ( aIter != aEnd )
89 : {
90 0 : if( (*aIter).Call( pEvent ) != 0 )
91 : {
92 0 : bProcessed = true;
93 0 : break;
94 : }
95 0 : ++aIter;
96 : }
97 0 : return bProcessed;
98 : }
99 :
100 239807 : void VclEventListeners::addListener( const Link& rListener )
101 : {
102 239807 : m_aListeners.push_back( rListener );
103 239807 : }
104 :
105 317670 : void VclEventListeners::removeListener( const Link& rListener )
106 : {
107 317670 : m_aListeners.remove( rListener );
108 317670 : }
109 :
110 2 : VclEventListeners2::VclEventListeners2()
111 : {
112 2 : }
113 :
114 0 : VclEventListeners2::~VclEventListeners2()
115 : {
116 0 : }
117 :
118 0 : void VclEventListeners2::addListener( const Link& i_rLink )
119 : {
120 : // ensure uniqueness
121 0 : for( std::list< Link >::const_iterator it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
122 : {
123 0 : if( *it == i_rLink )
124 0 : return;
125 : }
126 0 : m_aListeners.push_back( i_rLink );
127 : }
128 :
129 0 : void VclEventListeners2::removeListener( const Link& i_rLink )
130 : {
131 0 : size_t n = m_aIterators.size();
132 0 : for( size_t i = 0; i < n; i++ )
133 : {
134 0 : if( m_aIterators[i].m_aIt != m_aListeners.end() && *m_aIterators[i].m_aIt == i_rLink )
135 : {
136 0 : m_aIterators[i].m_bWasInvalidated = true;
137 0 : ++m_aIterators[i].m_aIt;
138 : }
139 : }
140 0 : m_aListeners.remove( i_rLink );
141 0 : }
142 :
143 556 : void VclEventListeners2::callListeners( VclSimpleEvent* i_pEvent )
144 : {
145 556 : vcl::DeletionListener aDel( this );
146 :
147 556 : m_aIterators.push_back(ListenerIt(m_aListeners.begin()));
148 556 : size_t nIndex = m_aIterators.size() - 1;
149 1112 : while( ! aDel.isDeleted() && m_aIterators[ nIndex ].m_aIt != m_aListeners.end() )
150 : {
151 0 : m_aIterators[ nIndex ].m_aIt->Call( i_pEvent );
152 0 : if( m_aIterators[ nIndex ].m_bWasInvalidated )
153 : // check if the current element was removed and the iterator increased in the meantime
154 0 : m_aIterators[ nIndex ].m_bWasInvalidated = false;
155 : else
156 0 : ++m_aIterators[ nIndex ].m_aIt;
157 : }
158 556 : m_aIterators.pop_back();
159 1789 : }
160 :
161 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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