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transmission/qt/favicon.h
2010-08-01 20:36:13 +00:00

64 lines
1.4 KiB
C++

/*
* This file Copyright (C) Mnemosyne LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* $Id$
*/
#ifndef FAVICON_CACHE_H
#define FAVICON_CACHE_H
class QNetworkAccessManager;
class QNetworkReply;
class QUrl;
#include <QMap>
#include <QString>
#include <QObject>
#include <QPixmap>
class Favicons: public QObject
{
Q_OBJECT;
public:
static QString getHost( const QUrl& url );
public:
Favicons();
virtual ~Favicons();
/* returns a cached pixmap, or a NULL pixmap if there's no match in the cache */
QPixmap find( const QUrl& url );
/* returns a cached pixmap, or a NULL pixmap if there's no match in the cache */
QPixmap findFromHost( const QString& host );
/* this will emit a signal when (if) the icon becomes ready */
void add( const QUrl& url );
signals:
void pixmapReady( const QString& host );
private:
QNetworkAccessManager * myNAM;
QMap<QString,QPixmap> myPixmaps;
QString getCacheDir( );
void ensureCacheDirHasBeenScanned( );
private slots:
void onRequestFinished( QNetworkReply * reply );
};
#endif