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Diffstat (limited to 'kresources/egroupware/synchronizer.h')
-rw-r--r-- | kresources/egroupware/synchronizer.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/kresources/egroupware/synchronizer.h b/kresources/egroupware/synchronizer.h new file mode 100644 index 000000000..feac6bf31 --- /dev/null +++ b/kresources/egroupware/synchronizer.h @@ -0,0 +1,72 @@ +/* + This file is part of kdepim. + + Copyright (c) 2005 Tobias Koenig <tokoe@kde.org> + + 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 <qobject.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, SIGNAL( result( KIO::Job * ) ), + 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 + |