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/* This file is part of the KDE Project
Copyright (c) 2001 Malte Starostik <malte@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 version 2 as published by the Free Software Foundation.
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 _FAVICONS_H_
#define _FAVICONS_H_
#include <kdedmodule.h>
#include <kurl.h>
namespace TDEIO { class Job; }
/**
* KDED Module to handle shortcut icons ("favicons")
* FaviconsModule implements a KDED Module that handles the association of
* URLs and hosts with shortcut icons and the icons' downloads in a central
* place.
*
* After a successful download, the DCOP signal iconChanged() is emitted.
* It has the signature void iconChanged(bool, TQString, TQString);
* The first parameter is true if the icon is a "host" icon, that is it is
* the default icon for all URLs on the given host. In this case, the
* second parameter is a host name, otherwise the second parameter is the
* URL which is associated with the icon. The third parameter is the
* @ref TDEIconLoader friendly name of the downloaded icon, the same as
* @ref iconForURL will from now on return for any matching URL.
*
* @short KDED Module for favicons
* @author Malte Starostik <malte@kde.org>
*/
class FaviconsModule : public KDEDModule
{
Q_OBJECT
K_DCOP
public:
FaviconsModule(const TQCString &obj);
virtual ~FaviconsModule();
k_dcop:
/**
* Looks up an icon name for a given URL. This function does not
* initiate any download. If no icon for the URL or its host has
* been downloaded yet, TQString::null is returned.
*
* @param url the URL for which the icon is queried
* @return the icon name suitable to pass to @ref TDEIconLoader or
* TQString::null if no icon for this URL was found.
*/
TQString iconForURL(const KURL &url);
/**
* Assiciates an icon with the given URL. If the icon was not
* downloaded before or the downloaded was too long ago, a
* download attempt will be started and the iconChanged() DCOP
* signal is emitted after the download finished successfully.
*
* @param url the URL which will be associated with the icon
* @param iconURL the URL of the icon to be downloaded
*/
ASYNC setIconForURL(const KURL &url, const KURL &iconURL);
/**
* Downloads the icon for a given host if it was not downloaded before
* or the download was too long ago. If the download finishes
* successfully, the iconChanged() DCOP signal is emitted.
*
* @param url any URL on the host for which the icon is to be downloaded
*/
ASYNC downloadHostIcon(const KURL &url);
k_dcop_signals:
void iconChanged(bool isHost, TQString hostOrURL, TQString iconName);
void infoMessage(KURL iconURL, TQString msg);
private:
void startDownload(const TQString &, bool, const KURL &);
TQString simplifyURL(const KURL &);
TQString iconNameFromURL(const KURL &);
bool isIconOld(const TQString &);
private slots:
void slotData(TDEIO::Job *, const TQByteArray &);
void slotResult(TDEIO::Job *);
void slotInfoMessage(TDEIO::Job *, const TQString &);
void slotKill();
private:
struct FaviconsModulePrivate *d;
};
#endif
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