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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 : #ifndef SVX_DELAYEDLINK_HXX
21 : #define SVX_DELAYEDLINK_HXX
22 :
23 : #include <tools/link.hxx>
24 :
25 : //........................................................................
26 : namespace svxform
27 : {
28 : //........................................................................
29 :
30 : //====================================================================
31 : //= DelayedEvent
32 : //====================================================================
33 : /** small class which encapsulates posting a Link instance as ApplicationUserEvent
34 :
35 : No thread safety at all here, just a little saving of code to type multiple times
36 : */
37 : class DelayedEvent
38 : {
39 : public:
40 0 : DelayedEvent( const Link& _rHandler )
41 : :m_aHandler( _rHandler )
42 0 : ,m_nEventId( 0 )
43 : {
44 0 : }
45 :
46 0 : ~DelayedEvent()
47 : {
48 0 : CancelPendingCall();
49 0 : }
50 :
51 : /** calls the handler asynchronously
52 :
53 : If there's already a call pending, this previous call is cancelled.
54 : */
55 : void Call( void* _pArg = NULL );
56 :
57 : /** cancels a call which is currently pending
58 :
59 : If no call is currently pending, then this is ignored.
60 : */
61 : void CancelPendingCall();
62 :
63 : private:
64 : Link m_aHandler;
65 : sal_uLong m_nEventId;
66 :
67 : private:
68 : DECL_LINK( OnCall, void* );
69 :
70 : private:
71 : DelayedEvent(); // never implemented
72 : DelayedEvent( const DelayedEvent& ); // never implemented
73 : DelayedEvent& operator=( const DelayedEvent& ); // never implemented
74 : };
75 :
76 : //........................................................................
77 : } // namespace svxform
78 : //........................................................................
79 :
80 : #endif // SVX_DELAYEDLINK_HXX
81 :
82 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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