rockbox/apps/plugins/properties.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

344 lines
11 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"
PLUGIN_HEADER
static const struct plugin_api* rb;
MEM_FUNCTION_WRAPPERS(rb);
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];
int num_properties;
static char* filesize2string(long long size, char* pstr, int len)
{
/* margin set at 10K boundary: 10239 B +1 => 10 KB
routine below is 200 bytes smaller than cascaded if/else :)
not using build-in function because of huge values (long long) */
const char* kgb[4] = { "B", "KB", "MB", "GB" };
int i = 0;
while(true)
{
if((size < 10240) || (i > 2))
{
/* depends on the order in the above array */
rb->snprintf(pstr, len, "%ld %s", (long)size, kgb[i]);
break;
}
size >>= 10; /* div by 1024 */
i++;
}
return pstr;
}
static bool file_properties(char* selected_file)
{
bool found = false;
char tstr[MAX_PATH];
DIR* dir;
struct dirent* entry;
struct mp3entry id3;
char* ptr = rb->strrchr(selected_file, '/') + 1;
int dirlen = (ptr - selected_file);
rb->strncpy(tstr, selected_file, dirlen);
tstr[dirlen] = 0;
dir = rb->opendir(tstr);
if (dir)
{
while(0 != (entry = rb->readdir(dir)))
{
if(!rb->strcmp(entry->d_name, selected_file+dirlen))
{
rb->snprintf(str_dirname, sizeof str_dirname, "Path: %s",
tstr);
rb->snprintf(str_filename, sizeof str_filename, "Name: %s",
selected_file+dirlen);
rb->snprintf(str_size, sizeof str_size, "Size: %s",
filesize2string(entry->size, tstr, sizeof tstr));
rb->snprintf(str_date, sizeof str_date, "Date: %04d/%02d/%02d",
((entry->wrtdate >> 9 ) & 0x7F) + 1980, /* year */
((entry->wrtdate >> 5 ) & 0x0F), /* month */
((entry->wrtdate ) & 0x1F)); /* day */
rb->snprintf(str_time, sizeof str_time, "Time: %02d:%02d",
((entry->wrttime >> 11) & 0x1F), /* hour */
((entry->wrttime >> 5 ) & 0x3F)); /* minutes */
num_properties = 5;
#if (CONFIG_CODEC == SWCODEC)
int fd = rb->open(selected_file, O_RDONLY);
if (fd >= 0 &&
rb->get_metadata(&id3, fd, selected_file))
#else
if (!rb->mp3info(&id3, selected_file))
#endif
{
rb->snprintf(str_artist, sizeof str_artist,
"Artist: %s", id3.artist ? id3.artist : "");
rb->snprintf(str_title, sizeof str_title,
"Title: %s", id3.title ? id3.title : "");
rb->snprintf(str_album, sizeof str_album,
"Album: %s", id3.album ? id3.album : "");
num_properties += 3;
}
#if (CONFIG_CODEC == SWCODEC)
rb->close(fd);
#endif
found = true;
break;
}
}
rb->closedir(dir);
}
return found;
}
typedef struct {
char dirname[MAX_PATH];
int len;
unsigned int dc;
unsigned int fc;
long long bc;
char tstr[64];
char tstr2[64];
} DPS;
static bool _dir_properties(DPS* dps)
{
/* recursively scan directories in search of files
and informs the user of the progress */
bool result;
int dirlen;
DIR* dir;
struct dirent* entry;
result = true;
dirlen = rb->strlen(dps->dirname);
dir = rb->opendir(dps->dirname);
if (!dir)
return false; /* open error */
/* walk through the directory content */
while(result && (0 != (entry = rb->readdir(dir))))
{
/* append name to current directory */
rb->snprintf(dps->dirname+dirlen, dps->len-dirlen, "/%s",
entry->d_name);
if (entry->attribute & ATTR_DIRECTORY)
{
if (!rb->strcmp((char *)entry->d_name, ".") ||
!rb->strcmp((char *)entry->d_name, ".."))
continue; /* skip these */
dps->dc++; /* new directory */
rb->lcd_clear_display();
rb->lcd_puts(0,0,"SCANNING...");
rb->lcd_puts(0,1,dps->dirname);
rb->lcd_puts(0,2,entry->d_name);
rb->snprintf(dps->tstr, 64, "Directories: %d", dps->dc);
rb->lcd_puts(0,3,dps->tstr);
rb->snprintf(dps->tstr, 64, "Files: %d", dps->fc);
rb->lcd_puts(0,4,dps->tstr);
rb->snprintf(dps->tstr, 64, "Size: %s",
filesize2string(dps->bc, dps->tstr2, 64));
rb->lcd_puts(0,5,dps->tstr);
rb->lcd_update();
/* recursion */
result = _dir_properties(dps);
}
else
{
dps->fc++; /* new file */
dps->bc += entry->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(char* selected_file)
{
DPS dps;
char tstr[64];
rb->strncpy(dps.dirname, selected_file, MAX_PATH);
dps.len = MAX_PATH;
dps.dc = 0;
dps.fc = 0;
dps.bc = 0;
if(false == _dir_properties(&dps))
return false;
rb->snprintf(str_dirname, MAX_PATH, selected_file);
rb->snprintf(str_dircount, sizeof str_dircount, "Subdirs: %d", dps.dc);
rb->snprintf(str_filecount, sizeof str_filecount, "Files: %d", dps.fc);
rb->snprintf(str_size, sizeof str_size, "Size: %s",
filesize2string(dps.bc, tstr, sizeof tstr));
num_properties = 4;
return true;
}
char * get_props(int selected_item, void* data, char *buffer, size_t buffer_len)
{
(void)data;
switch(selected_item)
{
case 0:
rb->strncpy(buffer, str_dirname, buffer_len);
break;
case 1:
rb->strncpy(buffer, its_a_dir ? str_dircount : str_filename,
buffer_len);
break;
case 2:
rb->strncpy(buffer, its_a_dir ? str_filecount : str_size, buffer_len);
break;
case 3:
rb->strncpy(buffer, its_a_dir ? str_size : str_date, buffer_len);
break;
case 4:
rb->strncpy(buffer, its_a_dir ? "" : str_time, buffer_len);
break;
case 5:
rb->strncpy(buffer, its_a_dir ? "" : str_artist, buffer_len);
break;
case 6:
rb->strncpy(buffer, its_a_dir ? "" : str_title, buffer_len);
break;
case 7:
rb->strncpy(buffer, its_a_dir ? "" : str_album, buffer_len);
break;
default:
rb->strncpy(buffer, "ERROR", buffer_len);
break;
}
return buffer;
}
enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
{
rb = api;
struct gui_synclist properties_lists;
int button;
bool prev_show_statusbar;
bool quit = false;
char file[MAX_PATH];
rb->strcpy(file, (const char *) parameter);
/* 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->strncpy(str_dirname, file, dirlen);
str_dirname[dirlen] = 0;
dir = rb->opendir(str_dirname);
if (dir)
{
while(0 != (entry = rb->readdir(dir)))
{
if(!rb->strcmp(entry->d_name, file+dirlen))
{
its_a_dir = entry->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->splash(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) : file_properties(file)))
{
/* something went wrong (to do: tell user what it was (nesting,...) */
rb->splash(0, "Failed to gather information");
rb->action_userabort(TIMEOUT_BLOCK);
return PLUGIN_OK;
}
/* prepare the list for the user */
prev_show_statusbar = rb->global_settings->statusbar;
rb->global_settings->statusbar = false;
rb->gui_synclist_init(&properties_lists, &get_props, file, false, 1, NULL);
rb->gui_synclist_set_title(&properties_lists, its_a_dir ?
"Directory properties" :
"File properties", NOICON);
rb->gui_synclist_set_icon_callback(&properties_lists, NULL);
rb->gui_synclist_set_nb_items(&properties_lists, num_properties);
rb->gui_synclist_limit_scroll(&properties_lists, true);
rb->gui_synclist_select_item(&properties_lists, 0);
rb->gui_synclist_draw(&properties_lists);
while(!quit)
{
button = rb->get_action(CONTEXT_LIST,TIMEOUT_BLOCK);
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)
{
rb->global_settings->statusbar = prev_show_statusbar;
return PLUGIN_USB_CONNECTED;
}
}
}
rb->global_settings->statusbar = prev_show_statusbar;
return PLUGIN_OK;
}