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/*
This file is part of KAddressBook.
Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
As a special exception, permission is given to link this program
with any edition of TQt, and distribute the resulting executable,
without including the source code for TQt in the source distribution.
*/
#include <kabc/addressbook.h>
#include <kabc/resource.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kstaticdeleter.h>
#include "kablock.h"
class AddressBookWrapper : public KABC::AddressBook
{
public:
AddressBookWrapper( KABC::AddressBook* );
KABC::Resource* getStandardResource()
{
return standardResource();
}
};
KABLock *KABLock::mSelf = 0;
static KStaticDeleter<KABLock> kabLockDeleter;
KABLock::KABLock( KABC::AddressBook *ab )
: mAddressBook( ab )
{
}
KABLock::~KABLock()
{
}
KABLock *KABLock::self( KABC::AddressBook *ab )
{
if ( !mSelf )
kabLockDeleter.setObject( mSelf, new KABLock( ab ) );
else
mSelf->mAddressBook = ab;
return mSelf;
}
bool KABLock::lock( KABC::Resource *resource )
{
if ( mLocks.tqfind( resource ) == mLocks.end() ) { // not locked yet
KABC::Ticket *ticket = mAddressBook->requestSaveTicket( resource );
if ( !ticket ) {
return false;
} else {
LockEntry entry;
entry.ticket = ticket;
entry.counter = 1;
mLocks.insert( resource, entry );
}
} else {
LockEntry &entry = mLocks[ resource ];
entry.counter++;
}
return true;
}
bool KABLock::unlock( KABC::Resource *resource )
{
AddressBookWrapper *wrapper = static_cast<AddressBookWrapper*>( mAddressBook );
if ( resource == 0 )
resource = wrapper->getStandardResource();
if ( mLocks.tqfind( resource ) == mLocks.end() ) { // hmm, not good...
return false;
} else {
LockEntry &entry = mLocks[ resource ];
entry.counter--;
if ( entry.counter == 0 ) {
mAddressBook->save( entry.ticket );
// # Activate in KDE 4.0
// mAddressBook->releaseSaveTicket( entry.ticket );
mLocks.remove( resource );
}
}
return true;
}
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