tdeaddons/konq-plugins/sidebar/mediaplayer/engine.h

/*****************************************************************

Copyright (c) 2000-2001 the noatun authors. See file AUTHORS.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIAB\ILITY, WHETHER IN
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******************************************************************/

#ifndef _ENGINE_H
#define _ENGINE_H

#include <tqobject.h>
#include <kmedia2.h>
#include <kmediaplayer/player.h>
#include <kurl.h>

namespace Arts
{
class PlayObject;
class SoundServerV2;
}

/**
 * Handles all playing, connecting to aRts.
 * Does almost everything related to multimedia.
 * Most interfacing should be done with Player
 **/
class Engine : public TQObject
{
Q_OBJECT
  TQ_OBJECT

public:
	Engine(TQObject *parent=0);
	~Engine();

	Arts::PlayObject playObject() const;

public slots:
	/**
	 * Load a file
	 **/
	bool load(const KURL &file);

	/**
	 * Pause while playing
	 **/
	void pause();
	
	/**
	 * Start
	 **/
	void play();
	
	/**
	 * stops, and unloads
	 **/
	void stop();

	/**
	 * skips to a time
	 **/
	void seek(unsigned long msec);

public:
	KMediaPlayer::Player::State state();
	long position(); // NOT unsigned
	unsigned long length();

	/**
	 * returns if the current track is seekable
	 */
	bool seekable(void);

private:
	bool reload(void);
	bool needReload;
	
	class EnginePrivate;
	EnginePrivate *d;
};

#endif