You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
3.3 KiB
135 lines
3.3 KiB
/* This file is part of the KDE project
|
|
*
|
|
* Copyright (C) 2000 Waldo Bastian <bastian@kde.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public License
|
|
* along with this library; see the file COPYING.LIB. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
#ifndef __khtml_pagecache_h__
|
|
#define __khtml_pagecache_h__
|
|
|
|
#include <qobject.h>
|
|
#include <qcstring.h>
|
|
#include <qvaluelist.h>
|
|
#include <qptrlist.h>
|
|
|
|
class KHTMLPageCachePrivate;
|
|
|
|
/**
|
|
* Singleton Object that handles a binary cache on top of
|
|
* the http cache management of kio.
|
|
*
|
|
* A limited number of HTML pages are stored in this cache. This
|
|
* cache is used for the history and operations like "view source".
|
|
* These operations always want to use the original document and
|
|
* don't want to fetch the data from the network again.
|
|
*
|
|
* It operates completely independent from the kio_http cache.
|
|
*/
|
|
class KHTMLPageCache : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
/**
|
|
* static "constructor".
|
|
* @return returns a pointer to the cache, if it exists.
|
|
* creates a new cache otherwise.
|
|
*/
|
|
static KHTMLPageCache *self();
|
|
~KHTMLPageCache();
|
|
|
|
/**
|
|
* Create a new cache entry.
|
|
*
|
|
* @return a cache entry ID is returned.
|
|
*/
|
|
long createCacheEntry();
|
|
|
|
/**
|
|
* Add @p data to the cache entry with id @p id.
|
|
*/
|
|
void addData(long id, const QByteArray &data);
|
|
|
|
/**
|
|
* Signal end of data for the cache entry with id @p id.
|
|
* After calling this the entry is marked complete
|
|
*/
|
|
void endData(long id);
|
|
|
|
/**
|
|
* Cancel the entry.
|
|
*/
|
|
void cancelEntry(long id);
|
|
|
|
/**
|
|
* @return true when the cache entry with id @p is still valid,
|
|
* and at least some of the data is available for reading (the
|
|
* complete data may not yet be loaded)
|
|
*/
|
|
bool isValid(long id);
|
|
|
|
/**
|
|
* @return true when the cache entry with id @p is still valid,
|
|
* and the complete data is available for reading
|
|
*/
|
|
bool isComplete(long id);
|
|
|
|
/**
|
|
* Fetch data for cache entry @p id and send it to slot @p recvSlot
|
|
* in the object @p recvObj
|
|
*/
|
|
void fetchData(long id, QObject *recvObj, const char *recvSlot);
|
|
|
|
/**
|
|
* Cancel sending data to @p recvObj
|
|
*/
|
|
void cancelFetch(QObject *recvObj);
|
|
|
|
/**
|
|
* Save the data of cache entry @p id to the datastream @p str
|
|
*/
|
|
void saveData(long id, QDataStream *str);
|
|
|
|
private slots:
|
|
void sendData();
|
|
|
|
private:
|
|
KHTMLPageCache();
|
|
|
|
static KHTMLPageCache *_self;
|
|
|
|
KHTMLPageCachePrivate *d;
|
|
};
|
|
|
|
class KHTMLPageCacheDelivery : public QObject
|
|
{
|
|
friend class KHTMLPageCache;
|
|
Q_OBJECT
|
|
public:
|
|
KHTMLPageCacheDelivery(int _fd)
|
|
: fd(_fd) { }
|
|
~KHTMLPageCacheDelivery();
|
|
|
|
signals:
|
|
void emitData(const QByteArray &data);
|
|
|
|
public:
|
|
QObject *recvObj;
|
|
int fd;
|
|
};
|
|
|
|
|
|
#endif
|