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k3b/libk3b/core/k3bcore.h

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/*
*
* $Id: k3bcore.h 733470 2007-11-06 12:10:29Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* 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.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_CORE_H_
#define _K3B_CORE_H_
#include <tqobject.h>
#include <tqvaluelist.h>
#include "k3b_export.h"
#define LIBK3B_VERSION "1.0.5"
#define k3bcore K3bCore::k3bCore()
class K3bExternalBinManager;
class K3bVersion;
class KConfig;
class TDEAboutData;
class K3bJob;
class K3bBurnJob;
class K3bGlobalSettings;
class K3bPluginManager;
class TQCustomEvent;
namespace K3bDevice {
class DeviceManager;
class Device;
}
/**
* The K3b core takes care of the managers.
* This has been separated from K3bApplication to
* make creating a K3bPart easy.
* This is the heart of the K3b system. Every plugin may use this
* to get the information it needs.
*/
class LIBK3B_EXPORT K3bCore : public TQObject
{
Q_OBJECT
public:
/**
* Although K3bCore is a singlelton it's constructor is not private to make inheritance
* possible. Just make sure to only create one instance.
*/
K3bCore( TQObject* parent = 0, const char* name = 0 );
virtual ~K3bCore();
const TQValueList<K3bJob*>& runningJobs() const;
/**
* Equals to !runningJobs().isEmpty()
*/
bool jobsRunning() const;
/**
* The default implementation calls add four initXXX() methods,
* scans for devices, applications, and reads the global settings.
*/
virtual void init();
/**
* @param c if 0 K3bCore uses the K3b configuration
*/
virtual void readSettings( KConfig* c = 0 );
/**
* @param c if 0 K3bCore uses the K3b configuration
*/
virtual void saveSettings( KConfig* c = 0 );
/**
* If this is reimplemented it is recommended to also reimplement
* init().
*/
virtual K3bDevice::DeviceManager* deviceManager() const;
/**
* Returns the external bin manager from K3bCore.
*
* By default K3bCore only adds the default programs:
* cdrecord, cdrdao, growisofs, mkisofs, dvd+rw-format, readcd
*
* If you need other programs you have to add them manually like this:
* <pre>externalBinManager()->addProgram( new K3bNormalizeProgram() );</pre>
*/
K3bExternalBinManager* externalBinManager() const;
K3bPluginManager* pluginManager() const;
/**
* Global settings used throughout libk3b. Change the settings directly in the
* K3bGlobalSettings object. They will be saved by K3bCore::saveSettings
*/
K3bGlobalSettings* globalSettings() const;
/**
* returns the version of the library as defined by LIBK3B_VERSION
*/
const K3bVersion& version() const;
/**
* Default implementation returns the K3b configuration from k3brc.
* Normally this should not be used.
*/
virtual KConfig* config() const;
/**
* Used by the writing jobs to block a device.
* This makes sure no device is used twice within libk3b
*
* When using this method in a job be aware that reimplementations might
* open dialogs and resulting in a blocking call.
*
* This method calls internalBlockDevice() to do the actual work.
*/
bool blockDevice( K3bDevice::Device* );
void unblockDevice( K3bDevice::Device* );
static K3bCore* k3bCore() { return s_k3bCore; }
signals:
/**
* Emitted once a new job has been started. This includes burn jobs.
*/
void jobStarted( K3bJob* );
void burnJobStarted( K3bBurnJob* );
void jobFinished( K3bJob* );
void burnJobFinished( K3bBurnJob* );
public slots:
/**
* Every running job registers itself with the core.
* For now this is only used to determine if some job
* is running.
*/
void registerJob( K3bJob* job );
void unregisterJob( K3bJob* job );
protected:
/**
* Reimplement this to add additonal checks.
*
* This method is thread safe. blockDevice makes sure
* it is only executed in the GUI thread.
*/
virtual bool internalBlockDevice( K3bDevice::Device* );
virtual void internalUnblockDevice( K3bDevice::Device* );
virtual void initGlobalSettings();
virtual void initExternalBinManager();
virtual void initDeviceManager();
virtual void initPluginManager();
virtual void customEvent( TQCustomEvent* e );
private:
class Private;
Private* d;
static K3bCore* s_k3bCore;
};
#endif