commandhandler.h

来自「Linux下比较早的基于命令行的DVD播放器」· C头文件 代码 · 共 88 行

//
// Copyright (c) 2005 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef DXR3PLAYER_OUTPUT_OSD_COMMANDHANDLER_H
#define DXR3PLAYER_OUTPUT_OSD_COMMANDHANDLER_H
//------------------------------------------------------------------------------

#include "SimpleCommand.h"

//------------------------------------------------------------------------------

namespace output { namespace osd {

//------------------------------------------------------------------------------

class DVDPosition;

//------------------------------------------------------------------------------

/**
 * Interface for handlers of OSD commands.
 */
class CommandHandler
{
public:
    /**
     * Virtual destructor.
     */
    virtual ~CommandHandler();

    /**
     * Handle a DVD position update.
     */
    virtual void handleUpdateDVDPosition(const DVDPosition& dvdPosition) = 0;

    /**
     * Handle a DVD languages update.
     */
    virtual void handleUpdateDVDLanguages(unsigned audioLanguageCode,
                                          unsigned spuLanguageCode) = 0;

    /**
     * Handle a volume update.
     */
    virtual void handleUpdateVolume(unsigned volume) = 0;

    /**
     * Handle a simple command.
     */
    virtual void handleSimpleCommand(SimpleCommand::type_t type) = 0;
};

//------------------------------------------------------------------------------
// Inline definitions
//------------------------------------------------------------------------------

inline CommandHandler::~CommandHandler()
{
}

//------------------------------------------------------------------------------

} /* namespace output::osd */  } /* namespace output */

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_OUTPUT_OSD_COMMANDHANDLER_H

// Local variables:
// mode: c++
// End: