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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* [email protected] *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef KTPLUGIN_H
#define KTPLUGIN_H
#include <ktversion.h>
#include <kparts/plugin.h>
namespace bt
{
class WaitJob;
}
namespace kt
{
class CoreInterface;
class GUIInterface;
/**
* @author Joris Guisson
* @brief Base class for all plugins
*
* This is the base class for all plugins. Plugins should implement
* the load and unload methods, any changes made in load must be undone in
* unload.
*
* It's also absolutely forbidden to do any complex initialization in the constructor
* (setting an int to 0 is ok, creating widgets isn't).
* Only the name, author and description may be set in the constructor.
*/
class Plugin : public KParts::Plugin
{
Q_OBJECT
public:
/**
* Constructor, set the name of the plugin, the name and e-mail of the author and
* a short description of the plugin.
* @param name Name of plugin
* @param gui_name Name to display in GUI (i18n version of name)
* @param author Author of plugin
* @param mail E-mail address of author
* @param description What does the plugin do
* @param icon Name of the plugin's icon
*/
Plugin(QObject *parent,const char* qt_name,const QStringList & args,
const QString & name,const QString & gui_name,const QString & author,
const QString & email,const QString & description,
const QString & icon);
virtual ~Plugin();
/**
* This gets called, when the plugin gets loaded by KTorrent.
* Any changes made here must be later made undone, when unload is
* called.
* Upon error a bt::Error should be thrown. And the plugin should remain
* in an uninitialized state. The Error contains an error message, which will
* get show to the user.
*/
virtual void load() = 0;
/**
* Gets called when the plugin gets unloaded.
* Should undo anything load did.
*/
virtual void unload() = 0;
/**
* For plugins who need to update something, the same time as the
* GUI updates.
*/
virtual void guiUpdate();
/**
* This should be implemented by plugins who need finish of some stuff which might take some time.
* These operations must be finished or killed by a timeout before we can proceed with unloading the plugin.
* @param job The WaitJob which monitors the plugin
*/
virtual void shutdown(bt::WaitJob* job);
const QString & getName() const {return name;}
const QString & getAuthor() const {return author;}
const QString & getEMailAddress() const {return email;}
const QString & getDescription() const {return description;}
const QString & getIcon() const {return icon;}
const QString & getGuiName() const {return gui_name;}
/// Get a pointer to the CoreInterface
CoreInterface* getCore() {return core;}
/// Get a const pointer to the CoreInterface
const CoreInterface* getCore() const {return core;}
/**
* Set the core, used by PluginManager to set the pointer
* to the core.
* @param c Pointer to the core
*/
void setCore(CoreInterface* c) {core = c;}
/// Get a pointer to the CoreInterface
GUIInterface* getGUI() {return gui;}
/// Get a const pointer to the CoreInterface
const GUIInterface* getGUI() const {return gui;}
/**
* Set the core, used by PluginManager to set the pointer
* to the core.
* @param c Pointer to the core
*/
void setGUI(GUIInterface* c) {gui = c;}
/// See if the plugin is loaded
bool isLoaded() const {return loaded;}
/// Check wether the plugin matches the version of KT
virtual bool versionCheck(const QString & version) const = 0;
private:
QString name;
QString author;
QString email;
QString description;
QString icon;
QString gui_name;
CoreInterface* core;
GUIInterface* gui;
bool loaded;
friend class PluginManager;
};
}
#endif
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