kaddressbook Library API Documentation

kablock.cpp

00001 /* 00002 This file is part of KAddressBook. 00003 Copyright (c) 2003 Tobias Koenig <tokoe@kde.org> 00004 00005 This program is free software; you can redistribute it and/or modify 00006 it under the terms of the GNU General Public License as published by 00007 the Free Software Foundation; either version 2 of the License, or 00008 (at your option) any later version. 00009 00010 This program is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 GNU General Public License for more details. 00014 00015 You should have received a copy of the GNU General Public License 00016 along with this program; if not, write to the Free Software 00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 00019 As a special exception, permission is given to link this program 00020 with any edition of Qt, and distribute the resulting executable, 00021 without including the source code for Qt in the source distribution. 00022 */ 00023 00024 #include <kabc/addressbook.h> 00025 #include <kabc/resource.h> 00026 #include <klocale.h> 00027 #include <kmessagebox.h> 00028 #include <kstaticdeleter.h> 00029 00030 #include "kablock.h" 00031 00032 class AddressBookWrapper : public KABC::AddressBook 00033 { 00034 public: 00035 AddressBookWrapper( KABC::AddressBook* ); 00036 00037 KABC::Resource* getStandardResource() 00038 { 00039 return standardResource(); 00040 } 00041 }; 00042 00043 KABLock *KABLock::mSelf = 0; 00044 00045 static KStaticDeleter<KABLock> kabLockDeleter; 00046 00047 KABLock::KABLock( KABC::AddressBook *ab ) 00048 : mAddressBook( ab ) 00049 { 00050 } 00051 00052 KABLock::~KABLock() 00053 { 00054 } 00055 00056 KABLock *KABLock::self( KABC::AddressBook *ab ) 00057 { 00058 if ( !mSelf ) 00059 kabLockDeleter.setObject( mSelf, new KABLock( ab ) ); 00060 00061 return mSelf; 00062 } 00063 00064 bool KABLock::lock( KABC::Resource *resource ) 00065 { 00066 if ( mLocks.find( resource ) == mLocks.end() ) { // not locked yet 00067 KABC::Ticket *ticket = mAddressBook->requestSaveTicket( resource ); 00068 if ( !ticket ) { 00069 return false; 00070 } else { 00071 LockEntry entry; 00072 entry.ticket = ticket; 00073 entry.counter = 1; 00074 mLocks.insert( resource, entry ); 00075 } 00076 } else { 00077 LockEntry &entry = mLocks[ resource ]; 00078 entry.counter++; 00079 } 00080 00081 return true; 00082 } 00083 00084 bool KABLock::unlock( KABC::Resource *resource ) 00085 { 00086 AddressBookWrapper *wrapper = static_cast<AddressBookWrapper*>( mAddressBook ); 00087 if ( resource == 0 ) 00088 resource = wrapper->getStandardResource(); 00089 00090 if ( mLocks.find( resource ) == mLocks.end() ) { // hmm, not good... 00091 return false; 00092 } else { 00093 LockEntry &entry = mLocks[ resource ]; 00094 entry.counter--; 00095 00096 if ( entry.counter == 0 ) { 00097 mAddressBook->save( entry.ticket ); 00098 // # Activate in KDE 4.0 00099 // mAddressBook->releaseSaveTicket( entry.ticket ); 00100 00101 mLocks.remove( resource ); 00102 } 00103 } 00104 00105 return true; 00106 }
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This file is part of the documentation for kaddressbook Library Version 3.3.0.
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