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/***************************************************************************
 *             __________               __   ___.                  
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___  
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /  
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <   
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \  
 *                     \/            \/     \/    \/            \/ 
 * $Id$
 *
 * Copyright (C) 2002 by Daniel Stenberg
 *
 * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#ifndef MISC_H
#define MISC_H

#include <stdbool.h>
#include <inttypes.h>
#include "config.h"
#include "screen_access.h"

extern const unsigned char * const byte_units[];
extern const unsigned char * const * const kbyte_units;

/* Format a large-range value for output, using the appropriate unit so that
 * the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
 * units) if possible, and 3 significant digits are shown. If a buffer is
 * given, the result is snprintf()'d into that buffer, otherwise the result is
 * voiced.*/
char *output_dyn_value(char *buf, int buf_size, int value,
                      const unsigned char * const *units, bool bin_scale);

/* Format time into buf.
 *
 * buf      - buffer to format to.
 * buf_size - size of buffer.
 * t        - time to format, in milliseconds.
 */
void format_time(char* buf, int buf_size, long t);

/* Ask the user if they really want to erase the current dynamic playlist
 * returns true if the playlist should be replaced */
bool warn_on_pl_erase(void);

/* Read (up to) a line of text from fd into buffer and return number of bytes
 * read (which may be larger than the number of bytes stored in buffer). If 
 * an error occurs, -1 is returned (and buffer contains whatever could be 
 * read). A line is terminated by a LF char. Neither LF nor CR chars are 
 * stored in buffer.
 */
int read_line(int fd, char* buffer, int buffer_size);
int fast_readline(int fd, char *buf, int buf_size, void *parameters,
                  int (*callback)(int n, char *buf, void *parameters));

bool settings_parseline(char* line, char** name, char** value);
long default_event_handler_ex(long event, void (*callback)(void *), void *parameter);
long default_event_handler(long event);
bool list_stop_handler(void);
void car_adapter_mode_init(void);
extern int show_logo(void);

int open_utf8(const char* pathname, int flags);

#ifdef BOOTFILE
#if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF) \
        || defined(HAVE_HOTSWAP_STORAGE_AS_MAIN)
void check_bootfile(bool do_rolo);
#endif
#endif

/* check range, set volume and save settings */
void setvol(void);

#ifdef HAVE_LCD_COLOR
int hex_to_rgb(const char* hex, int* color);
#endif

char* strrsplt(char* str, int c);
char* skip_whitespace(char* const str);

/*
 * removes the extension of filename (if it doesn't start with a .)
 * puts the result in buffer
 */
char *strip_extension(char* buffer, int buffer_size, const char *filename);

#ifdef HAVE_LCD_BITMAP
bool parse_color(enum screen_type screen, char *text, int *value);

/* only used in USB HID and set_time screen */
#if defined(USB_ENABLE_HID) || (CONFIG_RTC != 0)
int clamp_value_wrap(int value, int max, int min);
#endif
#endif

enum current_activity {
    ACTIVITY_UNKNOWN = 0,
    ACTIVITY_MAINMENU,
    ACTIVITY_WPS,
    ACTIVITY_RECORDING,
    ACTIVITY_FM,
    ACTIVITY_PLAYLISTVIEWER,
    ACTIVITY_SETTINGS,
    ACTIVITY_FILEBROWSER,
    ACTIVITY_DATABASEBROWSER,
    ACTIVITY_PLUGINBROWSER,
    ACTIVITY_QUICKSCREEN,
    ACTIVITY_PITCHSCREEN,
    ACTIVITY_OPTIONSELECT,
    ACTIVITY_PLAYLISTBROWSER,
    ACTIVITY_PLUGIN,
    ACTIVITY_CONTEXTMENU,
    ACTIVITY_SYSTEMSCREEN,
    ACTIVITY_TIMEDATESCREEN,
    ACTIVITY_BOOKMARKSLIST
};

#if CONFIG_CODEC == SWCODEC
void beep_play(unsigned int frequency, unsigned int duration,
               unsigned int amplitude);

enum system_sound
{
    SOUND_KEYCLICK = 0,
    SOUND_TRACK_SKIP,
    SOUND_TRACK_NO_MORE,
};

/* Play a standard sound */
void system_sound_play(enum system_sound sound);

/* Produce keyclick based upon button and global settings */
void keyclick_click(int button);
#endif /* CONFIG_CODEC == SWCODEC */

void push_current_activity(enum current_activity screen);
void pop_current_activity(void);
enum current_activity get_current_activity(void);


#endif /* MISC_H */