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00024 #include <tdeabc/addressbook.h>
00025 #include <tdeabc/resource.h>
00026 #include <tdelocale.h>
00027 #include <tdemessagebox.h>
00028 #include <kstaticdeleter.h>
00029
00030 #include "kablock.h"
00031
00032 class AddressBookWrapper : public TDEABC::AddressBook
00033 {
00034 public:
00035 AddressBookWrapper( TDEABC::AddressBook* );
00036
00037 TDEABC::Resource* getStandardResource()
00038 {
00039 return standardResource();
00040 }
00041 };
00042
00043 KABLock *KABLock::mSelf = 0;
00044
00045 static KStaticDeleter<KABLock> kabLockDeleter;
00046
00047 KABLock::KABLock( TDEABC::AddressBook *ab )
00048 : mAddressBook( ab )
00049 {
00050 }
00051
00052 KABLock::~KABLock()
00053 {
00054 }
00055
00056 KABLock *KABLock::self( TDEABC::AddressBook *ab )
00057 {
00058 if ( !mSelf )
00059 kabLockDeleter.setObject( mSelf, new KABLock( ab ) );
00060 else
00061 mSelf->mAddressBook = ab;
00062
00063 return mSelf;
00064 }
00065
00066 bool KABLock::lock( TDEABC::Resource *resource )
00067 {
00068 if ( mLocks.find( resource ) == mLocks.end() ) {
00069 TDEABC::Ticket *ticket = mAddressBook->requestSaveTicket( resource );
00070 if ( !ticket ) {
00071 return false;
00072 } else {
00073 LockEntry entry;
00074 entry.ticket = ticket;
00075 entry.counter = 1;
00076 mLocks.insert( resource, entry );
00077 }
00078 } else {
00079 LockEntry &entry = mLocks[ resource ];
00080 entry.counter++;
00081 }
00082
00083 return true;
00084 }
00085
00086 bool KABLock::unlock( TDEABC::Resource *resource )
00087 {
00088 AddressBookWrapper *wrapper = static_cast<AddressBookWrapper*>( mAddressBook );
00089 if ( resource == 0 )
00090 resource = wrapper->getStandardResource();
00091
00092 if ( mLocks.find( resource ) == mLocks.end() ) {
00093 return false;
00094 } else {
00095 LockEntry &entry = mLocks[ resource ];
00096 entry.counter--;
00097
00098 if ( entry.counter == 0 ) {
00099 mAddressBook->save( entry.ticket );
00100
00101
00102
00103 mLocks.remove( resource );
00104 }
00105 }
00106
00107 return true;
00108 }