kaddressbook/kablock.h

   1 /*
   2     This file is part of KAddressBook.
   3     Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18
  19     As a special exception, permission is given to link this program
  20     with any edition of Qt, and distribute the resulting executable,
  21     without including the source code for Qt in the source distribution.
  22 */
  23
  24 #ifndef KABLOCK_H
  25 #define KABLOCK_H
  26
  27 namespace KABC {
  28 class AddressBook;
  29 class Resource;
  30 class Ticket;
  31 }
  32
  33 typedef struct {
  34   KABC::Ticket *ticket;
  35   uint counter;
  36 } LockEntry;
  37
  38 class KABLock
  39 {
  40   public:
  41     ~KABLock();
  42
  43     static KABLock *self( KABC::AddressBook *ab );
  44
  45     bool lock( KABC::Resource* );
  46     bool unlock( KABC::Resource* );
  47
  48   protected:
  49     KABLock( KABC::AddressBook *ab );
  50
  51   private:
  52     friend class KABLockHelper;
  53
  54     QMap<KABC::Resource*, LockEntry> mLocks;
  55     KABC::AddressBook *mAddressBook;
  56 };
  57
  58 #endif