lircinputhandler.h

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2003 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 INPUT_LIRCINPUTHANDLER_H
#define INPUT_LIRCINPUTHANDLER_H
//------------------------------------------------------------------------------

#include "CommandInputHandler.h"

#include "sched/Schedulable.h"
#include "sched/FDWaitCondition.h"

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

struct lirc_config;

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

namespace input {

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

class InputListener;

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

/**
 * Input handler for LIRC.
 */
class LIRCInputHandler : public sched::Schedulable,
                         public CommandInputHandler
{
private:
    /**
     * The length of the input buffer.
     */
    static const size_t bufferLength = 64;

    /**
     * Condition for input being available on the lirc socket
     * (/dev/lircd).
     */
    sched::FDReadableWaitCondition inputReadable;

    /**
     * The LIRC configuration
     */
    struct lirc_config* config;

    /**
     * The code buffer.
     */
    char codeBuffer[bufferLength];

    /**
     * The code length.
     */
    size_t codeLength;

public:
    /**
     * Construct the LIRC input handler.
     */
    LIRCInputHandler(InputListener& listener);

    /**
     * Destroy the LIRC input handler.
     */
    ~LIRCInputHandler();

    /**
     * @see sched::Schedulable::run
     */
    virtual void run();

private:
    /**
     * Add the given character to the buffer.
     */
    void add(char c);
};

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

} /* namespace input */

//------------------------------------------------------------------------------
#endif // INPUT_LIRCINPUTHANDLER_H

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