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locknull.cpp
1/*
2 This file is part of libkabc.
3
4 Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
15
16 You should have received a copy of the GNU Library General Public License
17 along with this library; see the file COPYING.LIB. If not, write to
18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.
20*/
21
22#include "locknull.h"
23
24#include <klocalizedstring.h>
25#include <kdebug.h>
26
27using namespace KABC;
28
29class LockNull::Private
30{
31 public:
32 Private( bool allowAccess )
33 : mAllowAccess( allowAccess )
34 {
35 }
36
37 bool mAllowAccess;
38};
39
40LockNull::LockNull( bool allowAccess )
41 : Lock( QString() ), d( new Private( allowAccess ) )
42{
43}
44
45LockNull::~LockNull()
46{
47 unlock();
48
49 delete d;
50}
51
52bool LockNull::lock()
53{
54 if ( !d->mAllowAccess ) {
55 return false;
56 }
57
58 kWarning( 5700 ) << "LockNull::lock() force success. Doesn't actually lock.";
59
60 emit locked();
61
62 return true;
63}
64
65bool LockNull::unlock()
66{
67 emit unlocked();
68 return true;
69}
70
71QString LockNull::error() const
72{
73 if ( d->mAllowAccess ) {
74 return i18n( "LockNull: All locks succeed but no actual locking is done." );
75 } else {
76 return i18n( "LockNull: All locks fail." );
77 }
78}
KABC::LockNull::LockNull
LockNull(bool allowAccess)
Creates an instance of the null lock.
Definition: locknull.cpp:40
KABC::LockNull::unlock
bool unlock()
Unlock resource.
Definition: locknull.cpp:65
KABC::LockNull::error
QString error() const
Returns the lastest error message.
Definition: locknull.cpp:71
KABC::LockNull::lock
bool lock()
Lock resource.
Definition: locknull.cpp:52
KABC::Lock
This class provides locking functionality for a file, directory or an arbitrary string-represented re...
Definition: lock.h:35
KABC::Lock::unlocked
void unlocked()
Emitted after the lock has been unlocked.
KABC::Lock::locked
void locked()
Emitted after the lock has been locked.
KABC
Class that holds a Calendar Url (FBURL/CALADRURI/CALURI)
Definition: address.h:29
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