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KParts

historyprovider.cpp

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00001 /* This file is part of the KDE project
00002    Copyright (C) 2001 Carsten Pfeiffer <pfeiffer@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include "historyprovider.h"
00021 
00022 #include <QtCore/QSet>
00023 
00024 #include <kapplication.h>
00025 
00026 using namespace KParts;
00027 
00028 class KParts::HistoryProviderPrivate
00029 {
00030 public:
00031     HistoryProviderPrivate()
00032         : q(0)
00033     {
00034     }
00035 
00036     ~HistoryProviderPrivate()
00037     {
00038         delete q;
00039     }
00040 
00041     QSet<QString> dict;
00042     HistoryProvider *q;
00043 };
00044 
00045 K_GLOBAL_STATIC(HistoryProviderPrivate, historyProviderPrivate)
00046 
00047 HistoryProvider * HistoryProvider::self()
00048 {
00049     if (!historyProviderPrivate->q) {
00050         new HistoryProvider;
00051     }
00052 
00053     return historyProviderPrivate->q;
00054 }
00055 
00056 HistoryProvider::HistoryProvider( QObject *parent )
00057     : QObject( parent ), d(historyProviderPrivate)
00058 {
00059     Q_ASSERT(!historyProviderPrivate->q);
00060     historyProviderPrivate->q = this;
00061     setObjectName("history provider");
00062 }
00063 
00064 HistoryProvider::~HistoryProvider()
00065 {
00066     if (!historyProviderPrivate.isDestroyed() &&
00067         historyProviderPrivate->q == this)
00068         historyProviderPrivate->q = 0;
00069 }
00070 
00071 bool HistoryProvider::contains( const QString& item ) const
00072 {
00073     return d->dict.contains( item );
00074 }
00075 
00076 void HistoryProvider::insert( const QString& item )
00077 {
00078     d->dict.insert( item );
00079     emit inserted( item );
00080 }
00081 
00082 void HistoryProvider::remove( const QString& item )
00083 {
00084     d->dict.remove( item );
00085 }
00086 
00087 void HistoryProvider::clear()
00088 {
00089     d->dict.clear();
00090     emit cleared();
00091 }
00092 
00093 #include "historyprovider.moc"

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