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khtml_pagecache.h

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00001 /* This file is part of the KDE project
00002  *
00003  * Copyright (C) 2000  Waldo Bastian <bastian@kde.org>
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library 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 GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public License
00016  * along with this library; see the file COPYING.LIB.  If not, write to
00017  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019  */
00020 #ifndef __khtml_pagecache_h__
00021 #define __khtml_pagecache_h__
00022 
00023 #include <QtCore/QObject>
00024 
00025 class KHTMLPageCachePrivate;
00026 
00038 class KHTMLPageCache : public QObject
00039 {
00040   Q_OBJECT
00041 public:
00047   static KHTMLPageCache *self();
00048   ~KHTMLPageCache();
00049   
00055   long createCacheEntry();
00056 
00060   void addData(long id, const QByteArray &data);
00061 
00066   void endData(long id);
00067 
00071   void cancelEntry(long id);
00072 
00078   bool isValid(long id);
00079 
00084   bool isComplete(long id);
00085   
00090   void fetchData(long id, QObject *recvObj, const char *recvSlot);
00091 
00095   void cancelFetch(QObject *recvObj);
00096 
00097 public Q_SLOTS:
00101   void saveData(long id, QDataStream *str);
00102 
00103 private Q_SLOTS:
00104   void sendData();
00105 
00106 private:
00107   KHTMLPageCache();
00108 
00109   KHTMLPageCachePrivate* const d;
00110 };
00111 
00112 class QIODevice;
00113 class KHTMLPageCacheDelivery : public QObject
00114 {
00115    friend class KHTMLPageCache;
00116 Q_OBJECT
00117 public:
00118    KHTMLPageCacheDelivery(QIODevice *_file): file(_file) {}
00119    ~KHTMLPageCacheDelivery();
00120 
00121 Q_SIGNALS:
00122    void emitData(const QByteArray &data);
00123 
00124 public: 
00125    QObject *recvObj;
00126    QIODevice *file;
00127 };
00128 
00129 
00130 #endif

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