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-rw-r--r--kaddressbook/kablock.cpp108
1 files changed, 108 insertions, 0 deletions
diff --git a/kaddressbook/kablock.cpp b/kaddressbook/kablock.cpp
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+++ b/kaddressbook/kablock.cpp
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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 Qt, and distribute the resulting executable,
+ without including the source code for Qt 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.find( 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.find( 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;
+}