<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US"> <head> <title>kaddressbook: kablock.cpp Source File (kaddressbook)</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" comment "ICRAonline DE v2.0" l gen true for "http://www.kde.org" r (nz 1 vz 1 lz 1 oz 1 cb 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.kde.org" r (n 0 s 0 v 0 l 0))' /> <meta name="trademark" content="KDE e.V." /> <meta name="description" content="K Desktop Environment Homepage, KDE.org" /> <meta name="MSSmartTagsPreventParsing" content="true" /> <meta name="robots" content="all" /> <link rel="shortcut icon" href="../../favicon.ico" /> <link rel="stylesheet" media="screen" type="text/css" title="APIDOX" href="doxygen.css" /> <style type="text/css"> <!-- hr { display: none; } #content h2 { margin-left: 0px; } table.mdTable { background-color: #f8f8f8; border: .2em solid #d7d7d7; } td.mdRow { padding: 8px 20px; } td.md { font-weight: bold; } td.mdname1 { font-weight: bold; color: #602020; } td.mdname { font-weight: bold; color: #602020; } --> </style> </head> <body> <div id="nav_header_top" align="right"> <a href="#content" class="doNotDisplay" accesskey="2">Skip to main content ::</a> <a href="../.."><img id="nav_header_logo" alt="Home" align="left" src="../../kde_gear_64.png" border="0" /></a> <span class="doNotDisplay">::</span> <img id="nav_header_logo_right" alt="" align="right" src="../../pimlogo.png" border="0" /> <div id="nav_header_title" align="left">KDE PIM API Reference</div> </div> <div id="nav_header_bottom" align="right"> <span class="doNotDisplay">:: <a href="#navigation" accesskey="5">Skip to Link Menu</a><br/></span> <div id="nav_header_bottom_left" style="text-align: left;"> / <a href="../../">API Reference</a> / <a href=".">kaddressbook</a> </div> </div> <table id="main" border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td valign="top" class="menuheader" height="0"></td> <td id="contentcolumn" valign="top" rowspan="2" > <div id="content" style="padding-top: 0px;"><div style="width:100%; margin: 0px; padding: 0px;"> <h2><a name="content"></a>kaddressbook</h2> <!-- Generated by Doxygen 1.5.5 --> <h1>kablock.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> This file is part of KAddressBook.</span> <a name="l00003"></a>00003 <span class="comment"> Copyright (c) 2003 Tobias Koenig <tokoe@kde.org></span> <a name="l00004"></a>00004 <span class="comment"></span> <a name="l00005"></a>00005 <span class="comment"> This program is free software; you can redistribute it and/or modify</span> <a name="l00006"></a>00006 <span class="comment"> it under the terms of the GNU General Public License as published by</span> <a name="l00007"></a>00007 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span> <a name="l00008"></a>00008 <span class="comment"> (at your option) any later version.</span> <a name="l00009"></a>00009 <span class="comment"></span> <a name="l00010"></a>00010 <span class="comment"> This program is distributed in the hope that it will be useful,</span> <a name="l00011"></a>00011 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00012"></a>00012 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> <a name="l00013"></a>00013 <span class="comment"> GNU General Public License for more details.</span> <a name="l00014"></a>00014 <span class="comment"></span> <a name="l00015"></a>00015 <span class="comment"> You should have received a copy of the GNU General Public License</span> <a name="l00016"></a>00016 <span class="comment"> along with this program; if not, write to the Free Software</span> <a name="l00017"></a>00017 <span class="comment"> Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span> <a name="l00018"></a>00018 <span class="comment"></span> <a name="l00019"></a>00019 <span class="comment"> As a special exception, permission is given to link this program</span> <a name="l00020"></a>00020 <span class="comment"> with any edition of Qt, and distribute the resulting executable,</span> <a name="l00021"></a>00021 <span class="comment"> without including the source code for Qt in the source distribution.</span> <a name="l00022"></a>00022 <span class="comment">*/</span> <a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="preprocessor">#include <kabc/addressbook.h></span> <a name="l00025"></a>00025 <span class="preprocessor">#include <kabc/resource.h></span> <a name="l00026"></a>00026 <span class="preprocessor">#include <klocale.h></span> <a name="l00027"></a>00027 <span class="preprocessor">#include <kmessagebox.h></span> <a name="l00028"></a>00028 <span class="preprocessor">#include <kstaticdeleter.h></span> <a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="preprocessor">#include "kablock.h"</span> <a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="keyword">class </span>AddressBookWrapper : <span class="keyword">public</span> KABC::AddressBook <a name="l00033"></a>00033 { <a name="l00034"></a>00034 <span class="keyword">public</span>: <a name="l00035"></a>00035 AddressBookWrapper( KABC::AddressBook* ); <a name="l00036"></a>00036 <a name="l00037"></a>00037 KABC::Resource* getStandardResource() <a name="l00038"></a>00038 { <a name="l00039"></a>00039 <span class="keywordflow">return</span> standardResource(); <a name="l00040"></a>00040 } <a name="l00041"></a>00041 }; <a name="l00042"></a>00042 <a name="l00043"></a>00043 KABLock *KABLock::mSelf = 0; <a name="l00044"></a>00044 <a name="l00045"></a>00045 <span class="keyword">static</span> KStaticDeleter<KABLock> kabLockDeleter; <a name="l00046"></a>00046 <a name="l00047"></a>00047 KABLock::KABLock( KABC::AddressBook *ab ) <a name="l00048"></a>00048 : mAddressBook( ab ) <a name="l00049"></a>00049 { <a name="l00050"></a>00050 } <a name="l00051"></a>00051 <a name="l00052"></a>00052 KABLock::~KABLock() <a name="l00053"></a>00053 { <a name="l00054"></a>00054 } <a name="l00055"></a>00055 <a name="l00056"></a>00056 KABLock *KABLock::self( KABC::AddressBook *ab ) <a name="l00057"></a>00057 { <a name="l00058"></a>00058 <span class="keywordflow">if</span> ( !mSelf ) <a name="l00059"></a>00059 kabLockDeleter.setObject( mSelf, <span class="keyword">new</span> KABLock( ab ) ); <a name="l00060"></a>00060 <span class="keywordflow">else</span> <a name="l00061"></a>00061 mSelf->mAddressBook = ab; <a name="l00062"></a>00062 <a name="l00063"></a>00063 <span class="keywordflow">return</span> mSelf; <a name="l00064"></a>00064 } <a name="l00065"></a>00065 <a name="l00066"></a>00066 <span class="keywordtype">bool</span> KABLock::lock( KABC::Resource *resource ) <a name="l00067"></a>00067 { <a name="l00068"></a>00068 <span class="keywordflow">if</span> ( mLocks.find( resource ) == mLocks.end() ) { <span class="comment">// not locked yet</span> <a name="l00069"></a>00069 KABC::Ticket *ticket = mAddressBook->requestSaveTicket( resource ); <a name="l00070"></a>00070 <span class="keywordflow">if</span> ( !ticket ) { <a name="l00071"></a>00071 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00072"></a>00072 } <span class="keywordflow">else</span> { <a name="l00073"></a>00073 LockEntry entry; <a name="l00074"></a>00074 entry.ticket = ticket; <a name="l00075"></a>00075 entry.counter = 1; <a name="l00076"></a>00076 mLocks.insert( resource, entry ); <a name="l00077"></a>00077 } <a name="l00078"></a>00078 } <span class="keywordflow">else</span> { <a name="l00079"></a>00079 LockEntry &entry = mLocks[ resource ]; <a name="l00080"></a>00080 entry.counter++; <a name="l00081"></a>00081 } <a name="l00082"></a>00082 <a name="l00083"></a>00083 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00084"></a>00084 } <a name="l00085"></a>00085 <a name="l00086"></a>00086 <span class="keywordtype">bool</span> KABLock::unlock( KABC::Resource *resource ) <a name="l00087"></a>00087 { <a name="l00088"></a>00088 AddressBookWrapper *wrapper = <span class="keyword">static_cast<</span>AddressBookWrapper*<span class="keyword">></span>( mAddressBook ); <a name="l00089"></a>00089 <span class="keywordflow">if</span> ( resource == 0 ) <a name="l00090"></a>00090 resource = wrapper->getStandardResource(); <a name="l00091"></a>00091 <a name="l00092"></a>00092 <span class="keywordflow">if</span> ( mLocks.find( resource ) == mLocks.end() ) { <span class="comment">// hmm, not good...</span> <a name="l00093"></a>00093 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00094"></a>00094 } <span class="keywordflow">else</span> { <a name="l00095"></a>00095 LockEntry &entry = mLocks[ resource ]; <a name="l00096"></a>00096 entry.counter--; <a name="l00097"></a>00097 <a name="l00098"></a>00098 <span class="keywordflow">if</span> ( entry.counter == 0 ) { <a name="l00099"></a>00099 mAddressBook->save( entry.ticket ); <a name="l00100"></a>00100 <span class="comment">// # Activate in KDE 4.0</span> <a name="l00101"></a>00101 <span class="comment">// mAddressBook->releaseSaveTicket( entry.ticket );</span> <a name="l00102"></a>00102 <a name="l00103"></a>00103 mLocks.remove( resource ); <a name="l00104"></a>00104 } <a name="l00105"></a>00105 } <a name="l00106"></a>00106 <a name="l00107"></a>00107 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00108"></a>00108 } </pre></div></div> </div></div> </td> </tr> <tr> <td valign="top" id="leftmenu" width="25%"> <a name="navigation"></a> <div class="menu_box"><h2>kaddressbook</h2> <div class="nav_list"> <ul><li><a href="index.html">Main Page</a></li><li><a href="hierarchy.html">Class Hierarchy</a></li><li><a href="classes.html">Alphabetical List</a></li><li><a href="annotated.html">Class List</a></li><li><a href="files.html">File List</a></li><li><a href="functions.html">Class Members</a></li><li><a href="pages.html">Related Pages</a></li></ul> <!-- <h2>Class Picker</h2> <div style="text-align: center;"> <form name="guideform"> <select name="guidelinks" style="width:100%;" 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