inputlistener.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 DXR3PLAYER_INPUT_INPUTLISTENER_H
#define DXR3PLAYER_INPUT_INPUTLISTENER_H
//------------------------------------------------------------------------------

namespace input {

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

/**
 * Abstract base class for input listener.
 */
class InputListener
{
public:
    /**
     * The operations.
     */
    typedef enum operation_t {
        /// Up
        UP,

        /// Down
        DOWN,

        /// Left
        LEFT,

        /// Right
        RIGHT,

        /// Activate
        ACTIVATE,

        /// Go to title menu
        MENU_TITLE,

        /// Go to root menu
        MENU_ROOT,

        /// Go to root menu, and try to find it even if it does not
        /// exist for the current VTS.
        MENU_ROOT_FORCED,

        /// Go to subpicture menu
        MENU_SUBPICTURE,

        /// Go to audio menu
        MENU_AUDIO,

        /// Go to angle menu
        MENU_ANGLE,

        /// Go to part (chapter) menu
        MENU_PART,

        /// Jump to previous chapter
        PREVIOUS_CHAPTER,

        /// Jump to next chapter
        NEXT_CHAPTER,

        /// Reset volume
        VOLUME_RESET,

        /// Increase volume
        VOLUME_UP,

        /// Decrease volume
        VOLUME_DOWN,

        /// Toggle audio
        TOGGLE_AUDIO,

        /// Increase the brightness
        INCREASE_BRIGHTNESS,

        /// Decrease the brightness
        DECREASE_BRIGHTNESS,

        /// Increase the contrast
        INCREASE_CONTRAST,

        /// Decrease the contrast
        DECREASE_CONTRAST,

        /// Increase the saturation
        INCREASE_SATURATION,

        /// Decrease the saturation
        DECREASE_SATURATION,

        /// Change angle
        CHANGE_ANGLE,

        /// Select the next audio stream
        NEXT_AUDIO_STREAM,

        /// Select the previous audio stream
        PREVIOUS_AUDIO_STREAM,

        /// Select the next SPU stream
        NEXT_SPU_STREAM,

        /// Select the previous SPU stream
        PREVIOUS_SPU_STREAM,

        /// Start/resume playing at normal speed
        PLAY,

        /// Pause playback
        PAUSE,

        /// Fast forward playback
        PLAY_FAST_FORWARD,

        /// Fast backward playback
        PLAY_FAST_BACKWARD,

        /// Eject DVD
        EJECT,

        /// Toggle output mode
        TOGGLE_OUTPUT,

        /// Resynchronize streams
        RESYNCHRONIZE,

        /// Resynchronize streams even harder
        RESYNCHRONIZE_ALL,

        /// Toggle extra subtitle
        TOGGLE_EXTRA_SUBTITLE,
        
        /// Print the status
        PRINT_STATUS,

        /// Save the current state of the DVD
        SAVE_DVD_STATE,

        /// Resume the saved state of the DVD
        RESUME_DVD_STATE,

        // Quit the program
        QUIT,

        // No operation
        NONE
    };

    /**
     * Virtual destructor.
     */
    virtual ~InputListener() {}

    /**
     * Handle the given operation.
     */
    virtual void handleOperation(operation_t operation) = 0;
};

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

} /* namespace input */

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_INPUT_INPUTLISTENER_H

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