rockbox/apps/plugins/properties.c

458 lines
14 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Peter D'Hoye
*
* 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.
*
****************************************************************************/
#include "plugin.h"
bool its_a_dir = false;
char str_filename[MAX_PATH];
char str_dirname[MAX_PATH];
char str_size[64];
char str_dircount[64];
char str_filecount[64];
char str_date[64];
char str_time[64];
char str_title[MAX_PATH];
char str_artist[MAX_PATH];
char str_album[MAX_PATH];
char str_duration[32];
unsigned nseconds;
unsigned long nsize;
int32_t size_unit;
struct tm tm;
int num_properties;
static const unsigned char* const props_file[] =
{
ID2P(LANG_PROPERTIES_PATH), str_dirname,
ID2P(LANG_PROPERTIES_FILENAME), str_filename,
ID2P(LANG_PROPERTIES_SIZE), str_size,
ID2P(LANG_PROPERTIES_DATE), str_date,
ID2P(LANG_PROPERTIES_TIME), str_time,
ID2P(LANG_PROPERTIES_ARTIST), str_artist,
ID2P(LANG_PROPERTIES_TITLE), str_title,
ID2P(LANG_PROPERTIES_ALBUM), str_album,
ID2P(LANG_PROPERTIES_DURATION), str_duration,
};
static const unsigned char* const props_dir[] =
{
ID2P(LANG_PROPERTIES_PATH), str_dirname,
ID2P(LANG_PROPERTIES_SUBDIRS), str_dircount,
ID2P(LANG_PROPERTIES_FILES), str_filecount,
ID2P(LANG_PROPERTIES_SIZE), str_size,
};
static const int32_t units[] =
{
LANG_BYTE,
LANG_KIBIBYTE,
LANG_MEBIBYTE,
LANG_GIBIBYTE
};
static unsigned human_size_log(unsigned long long size)
{
const size_t n = sizeof(units)/sizeof(units[0]);
unsigned i;
/* margin set at 10K boundary: 10239 B +1 => 10 KB */
for(i=0; i < n-1 && size >= 10*1024; i++)
size >>= 10; /* div by 1024 */
return i;
}
static bool file_properties(const char* selected_file)
{
bool found = false;
DIR* dir;
struct dirent* entry;
static struct mp3entry id3;
dir = rb->opendir(str_dirname);
if (dir)
{
while(0 != (entry = rb->readdir(dir)))
{
struct dirinfo info = rb->dir_get_info(dir, entry);
if(!rb->strcmp(entry->d_name, str_filename))
{
unsigned log;
log = human_size_log((unsigned long)info.size);
nsize = ((unsigned long)info.size) >> (log*10);
size_unit = units[log];
rb->snprintf(str_size, sizeof str_size, "%lu %s", nsize, rb->str(size_unit));
rb->gmtime_r(&info.mtime, &tm);
rb->snprintf(str_date, sizeof str_date, "%04d/%02d/%02d",
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
rb->snprintf(str_time, sizeof str_time, "%02d:%02d:%02d",
tm.tm_hour, tm.tm_min, tm.tm_sec);
num_properties = 5;
int fd = rb->open(selected_file, O_RDONLY);
if (fd >= 0 &&
rb->get_metadata(&id3, fd, selected_file))
{
long dur = id3.length / 1000; /* seconds */
rb->snprintf(str_artist, sizeof str_artist,
"%s", id3.artist ? id3.artist : "");
rb->snprintf(str_title, sizeof str_title,
"%s", id3.title ? id3.title : "");
rb->snprintf(str_album, sizeof str_album,
"%s", id3.album ? id3.album : "");
num_properties += 3;
if (dur > 0)
{
nseconds = dur;
if (dur < 3600)
rb->snprintf(str_duration, sizeof str_duration,
"%d:%02d", (int)(dur / 60),
(int)(dur % 60));
else
rb->snprintf(str_duration, sizeof str_duration,
"%d:%02d:%02d",
(int)(dur / 3600),
(int)(dur % 3600 / 60),
(int)(dur % 60));
num_properties++;
}
}
rb->close(fd);
found = true;
break;
}
}
rb->closedir(dir);
}
return found;
}
typedef struct {
char dirname[MAX_PATH];
int len;
unsigned int dc;
unsigned int fc;
unsigned long long bc;
} DPS;
static bool _dir_properties(DPS *dps)
{
/* recursively scan directories in search of files
and informs the user of the progress */
bool result;
static long lasttick=0;
int dirlen;
DIR* dir;
struct dirent* entry;
result = true;
dirlen = rb->strlen(dps->dirname);
dir = rb->opendir(dps->dirname);
if (!dir)
{
rb->splashf(HZ*2, "%s", dps->dirname);
return false; /* open error */
}
/* walk through the directory content */
while(result && (0 != (entry = rb->readdir(dir))))
{
struct dirinfo info = rb->dir_get_info(dir, entry);
/* append name to current directory */
rb->snprintf(dps->dirname+dirlen, dps->len-dirlen, "/%s",
entry->d_name);
if (info.attribute & ATTR_DIRECTORY)
{
if (!rb->strcmp((char *)entry->d_name, ".") ||
!rb->strcmp((char *)entry->d_name, ".."))
continue; /* skip these */
dps->dc++; /* new directory */
if (*rb->current_tick - lasttick > (HZ/8))
{
unsigned log = human_size_log(dps->bc);
lasttick = *rb->current_tick;
rb->lcd_clear_display();
rb->lcd_puts(0,0,"SCANNING...");
rb->lcd_puts(0,1,dps->dirname);
rb->lcd_putsf(0,2,"Directories: %d", dps->dc);
rb->lcd_putsf(0,3,"Files: %d", dps->fc);
log = human_size_log(dps->bc);
rb->lcd_putsf(0,4,"Size: %lu %cB", (unsigned long)(dps->bc >> (10*log)),
rb->str(units[log]));
rb->lcd_update();
}
/* recursion */
result = _dir_properties(dps);
}
else
{
dps->fc++; /* new file */
dps->bc += info.size;
}
if(ACTION_STD_CANCEL == rb->get_action(CONTEXT_STD,TIMEOUT_NOBLOCK))
result = false;
rb->yield();
}
rb->closedir(dir);
return result;
}
static bool dir_properties(const char* selected_file, DPS *dps)
{
unsigned log;
rb->strlcpy(dps->dirname, selected_file, MAX_PATH);
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
if (!_dir_properties(dps))
{
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
return false;
}
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
rb->strlcpy(str_dirname, selected_file, MAX_PATH);
rb->snprintf(str_dircount, sizeof str_dircount, "%d", dps->dc);
rb->snprintf(str_filecount, sizeof str_filecount, "%d", dps->fc);
log = human_size_log(dps->bc);
nsize = (long) (dps->bc >> (log*10));
size_unit = units[log];
rb->snprintf(str_size, sizeof str_size, "%ld %s", nsize, rb->str(size_unit));
num_properties = 4;
return true;
}
static const unsigned char* p2str(const unsigned char* p)
{
int id = P2ID(p);
return (id != -1) ? rb->str(id) : p;
}
static const char * get_props(int selected_item, void* data,
char *buffer, size_t buffer_len)
{
(void)data;
if(its_a_dir)
{
if(selected_item >= (int)(sizeof(props_dir) / sizeof(props_dir[0])))
{
rb->strlcpy(buffer, "ERROR", buffer_len);
}
else
{
rb->strlcpy(buffer, p2str(props_dir[selected_item]), buffer_len);
}
}
else
{
if(selected_item >= (int)(sizeof(props_file) / sizeof(props_file[0])))
{
rb->strlcpy(buffer, "ERROR", buffer_len);
}
else
{
rb->strlcpy(buffer, p2str(props_file[selected_item]), buffer_len);
}
}
return buffer;
}
static int speak_property_selection(int selected_item, void *data)
{
DPS *dps = data;
int32_t id = P2ID((its_a_dir ? props_dir : props_file)[selected_item]);
rb->talk_id(id, false);
switch (id)
{
case LANG_PROPERTIES_PATH:
if (str_dirname[0] == '/')
{
char *start = str_dirname;
char *ptr;
while (0 != (ptr = rb->strchr(start, '/')))
{
*ptr = '\0';
rb->talk_dir_or_spell(str_dirname, NULL, true);
*ptr = '/';
rb->talk_id(VOICE_CHAR_SLASH, true);
start = ptr + 1;
}
if (*start)
rb->talk_dir_or_spell(str_dirname, NULL, true);
}
else
{
rb->talk_spell(str_dirname, true);
}
break;
case LANG_PROPERTIES_FILENAME:
rb->talk_file_or_spell(str_dirname, str_filename, NULL, true);
break;
case LANG_PROPERTIES_SIZE:
rb->talk_number(nsize, true);
rb->talk_id(size_unit, true);
break;
case LANG_PROPERTIES_DATE:
rb->talk_date(&tm, true);
break;
case LANG_PROPERTIES_TIME:
rb->talk_time(&tm, true);
break;
case LANG_PROPERTIES_DURATION:
rb->talk_value(nseconds, UNIT_TIME, true);
break;
case LANG_PROPERTIES_SUBDIRS:
rb->talk_number(dps->dc, true);
break;
case LANG_PROPERTIES_FILES:
rb->talk_number(dps->fc, true);
break;
default:
rb->talk_spell(props_file[selected_item + 1], true);
break;
}
return 0;
}
enum plugin_status plugin_start(const void* parameter)
{
struct gui_synclist properties_lists;
int button;
bool quit = false, usb = false;
const char *file = parameter;
if(!parameter) return PLUGIN_ERROR;
#ifdef HAVE_TOUCHSCREEN
rb->touchscreen_set_mode(rb->global_settings->touch_mode);
#endif
static DPS dps = {
.len = MAX_PATH,
.dc = 0,
.fc = 0,
.bc = 0,
};
/* determine if it's a file or a directory */
bool found = false;
DIR* dir;
struct dirent* entry;
char* ptr = rb->strrchr(file, '/') + 1;
int dirlen = (ptr - file);
rb->strlcpy(str_dirname, file, dirlen + 1);
rb->snprintf(str_filename, sizeof str_filename, "%s", file+dirlen);
dir = rb->opendir(str_dirname);
if (dir)
{
while(0 != (entry = rb->readdir(dir)))
{
if(!rb->strcmp(entry->d_name, str_filename))
{
struct dirinfo info = rb->dir_get_info(dir, entry);
its_a_dir = info.attribute & ATTR_DIRECTORY ? true : false;
found = true;
break;
}
}
rb->closedir(dir);
}
/* now we know if it's a file or a dir or maybe something failed */
if(!found)
{
/* weird: we couldn't find the entry. This Should Never Happen (TM) */
rb->splashf(0, "File/Dir not found: %s", file);
rb->action_userabort(TIMEOUT_BLOCK);
return PLUGIN_OK;
}
/* get the info depending on its_a_dir */
if(!(its_a_dir ? dir_properties(file, &dps) : file_properties(file)))
{
/* something went wrong (to do: tell user what it was (nesting,...) */
rb->splash(0, ID2P(LANG_PROPERTIES_FAIL));
rb->action_userabort(TIMEOUT_BLOCK);
return PLUGIN_OK;
}
#ifdef HAVE_LCD_BITMAP
FOR_NB_SCREENS(i)
rb->viewportmanager_theme_enable(i, true, NULL);
#endif
rb->gui_synclist_init(&properties_lists, &get_props, &dps, false, 2, NULL);
rb->gui_synclist_set_title(&properties_lists, rb->str(its_a_dir ? LANG_PROPERTIES_DIRECTORY_PROPERTIES : LANG_PROPERTIES_FILE_PROPERTIES), NOICON);
rb->gui_synclist_set_icon_callback(&properties_lists, NULL);
if (rb->global_settings->talk_menu)
rb->gui_synclist_set_voice_callback(&properties_lists, speak_property_selection);
rb->gui_synclist_set_nb_items(&properties_lists, num_properties * 2);
rb->gui_synclist_limit_scroll(&properties_lists, true);
rb->gui_synclist_select_item(&properties_lists, 0);
rb->gui_synclist_draw(&properties_lists);
rb->gui_synclist_speak_item(&properties_lists);
while(!quit)
{
button = rb->get_action(CONTEXT_LIST, HZ);
/* HZ so the status bar redraws corectly */
if (rb->gui_synclist_do_button(&properties_lists,&button,LIST_WRAP_ON))
continue;
switch(button)
{
case ACTION_STD_CANCEL:
quit = true;
break;
default:
if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
{
quit = true;
usb = true;
}
break;
}
}
#ifdef HAVE_LCD_BITMAP
FOR_NB_SCREENS(i)
rb->viewportmanager_theme_undo(i, false);
#endif
return usb? PLUGIN_USB_CONNECTED: PLUGIN_OK;
}