1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
This file is part of kdepim.
Copyright (c) 2005 Tobias Koenig <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef SYNCHRONIZER_H
#define SYNCHRONIZER_H
#include <tqobject.h>
/**
A small helper class which blocks an asynchronous operation (e.g. a KIO request)
so that it can be used in a synchronous environment.
Example:
...
Synchronizer mSynchronizer;
...
job = KIO::file_copy( url, file, -1, true );
connect( job, TQT_SIGNAL( result( KIO::Job * ) ),
TQT_SLOT( slotResult( KIO::Job * ) ) );
mSynchronizer.start(); // will block here until the slot was called
...
void slotResult( KIO::Job* )
{
mSynchronizer.stop();
}
*/
class Synchronizer
{
public:
Synchronizer();
/**
Blocks the execution until @ref stop() is called.
*/
void start();
/**
Unblocks the execution.
*/
void stop();
private:
bool mBlocked;
};
#endif
|