abdc5935be
It handles exit() properly, calling the handler also when the plugin returns normally (also it makes exit() more standard compliant while at it). It also holds PLUGIN_HEADER, so that it doesn't need to be in each plugin anymore. To work better together with callbacks passed to rb->default_event_handler_ex introduce exit_on_usb() which will call the exit handler before showing the usb screen and exit() after it. In most cases it was passed a callback which was manually called at all other return points. This can now be done via atexit(). In future plugin_crt0.c could also handle clearing bss, initializing iram and more. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27862 a1c6a512-1295-4272-9138-f99709370657
367 lines
12 KiB
C
367 lines
12 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Peter D'Hoye
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "plugin.h"
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bool its_a_dir = false;
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char str_filename[MAX_PATH];
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char str_dirname[MAX_PATH];
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char str_size[64];
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char str_dircount[64];
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char str_filecount[64];
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char str_date[64];
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char str_time[64];
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char str_title[MAX_PATH];
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char str_artist[MAX_PATH];
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char str_album[MAX_PATH];
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char str_duration[32];
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int num_properties;
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static char* filesize2string(long long size, char* pstr, int len)
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{
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/* margin set at 10K boundary: 10239 B +1 => 10 KB
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routine below is 200 bytes smaller than cascaded if/else :)
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not using build-in function because of huge values (long long) */
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const char* kgb[4] = { "B", "KB", "MB", "GB" };
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int i = 0;
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while(true)
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{
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if((size < 10240) || (i > 2))
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{
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/* depends on the order in the above array */
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rb->snprintf(pstr, len, "%ld %s", (long)size, kgb[i]);
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break;
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}
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size >>= 10; /* div by 1024 */
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i++;
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}
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return pstr;
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}
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static bool file_properties(char* selected_file)
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{
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bool found = false;
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char tstr[MAX_PATH];
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DIR* dir;
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struct dirent* entry;
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struct mp3entry id3;
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char* ptr = rb->strrchr(selected_file, '/') + 1;
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int dirlen = (ptr - selected_file);
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rb->strlcpy(tstr, selected_file, dirlen + 1);
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dir = rb->opendir(tstr);
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if (dir)
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{
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while(0 != (entry = rb->readdir(dir)))
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{
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if(!rb->strcmp(entry->d_name, selected_file+dirlen))
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{
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rb->snprintf(str_dirname, sizeof str_dirname, "Path: %s",
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tstr);
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rb->snprintf(str_filename, sizeof str_filename, "Name: %s",
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selected_file+dirlen);
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rb->snprintf(str_size, sizeof str_size, "Size: %s",
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filesize2string(entry->size, tstr, sizeof tstr));
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rb->snprintf(str_date, sizeof str_date, "Date: %04d/%02d/%02d",
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((entry->wrtdate >> 9 ) & 0x7F) + 1980, /* year */
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((entry->wrtdate >> 5 ) & 0x0F), /* month */
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((entry->wrtdate ) & 0x1F)); /* day */
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rb->snprintf(str_time, sizeof str_time, "Time: %02d:%02d",
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((entry->wrttime >> 11) & 0x1F), /* hour */
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((entry->wrttime >> 5 ) & 0x3F)); /* minutes */
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num_properties = 5;
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#if (CONFIG_CODEC == SWCODEC)
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int fd = rb->open(selected_file, O_RDONLY);
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if (fd >= 0 &&
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rb->get_metadata(&id3, fd, selected_file))
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#else
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if (!rb->mp3info(&id3, selected_file))
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#endif
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{
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long dur = id3.length / 1000; /* seconds */
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rb->snprintf(str_artist, sizeof str_artist,
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"Artist: %s", id3.artist ? id3.artist : "");
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rb->snprintf(str_title, sizeof str_title,
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"Title: %s", id3.title ? id3.title : "");
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rb->snprintf(str_album, sizeof str_album,
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"Album: %s", id3.album ? id3.album : "");
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num_properties += 3;
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if (dur > 0)
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{
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if (dur < 3600)
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rb->snprintf(str_duration, sizeof str_duration,
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"Duration: %d:%02d", (int)(dur / 60),
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(int)(dur % 60));
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else
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rb->snprintf(str_duration, sizeof str_duration,
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"Duration: %d:%02d:%02d",
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(int)(dur / 3600),
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(int)(dur % 3600 / 60),
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(int)(dur % 60));
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num_properties++;
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}
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}
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#if (CONFIG_CODEC == SWCODEC)
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rb->close(fd);
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#endif
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found = true;
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break;
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}
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}
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rb->closedir(dir);
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}
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return found;
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}
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typedef struct {
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char dirname[MAX_PATH];
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int len;
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unsigned int dc;
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unsigned int fc;
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long long bc;
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char tstr[64];
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char tstr2[64];
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} DPS;
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static bool _dir_properties(DPS* dps)
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{
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/* recursively scan directories in search of files
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and informs the user of the progress */
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bool result;
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int dirlen;
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DIR* dir;
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struct dirent* entry;
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result = true;
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dirlen = rb->strlen(dps->dirname);
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dir = rb->opendir(dps->dirname);
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if (!dir)
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return false; /* open error */
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/* walk through the directory content */
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while(result && (0 != (entry = rb->readdir(dir))))
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{
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/* append name to current directory */
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rb->snprintf(dps->dirname+dirlen, dps->len-dirlen, "/%s",
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entry->d_name);
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if (entry->attribute & ATTR_DIRECTORY)
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{
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if (!rb->strcmp((char *)entry->d_name, ".") ||
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!rb->strcmp((char *)entry->d_name, ".."))
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continue; /* skip these */
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dps->dc++; /* new directory */
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rb->lcd_clear_display();
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rb->lcd_puts(0,0,"SCANNING...");
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rb->lcd_puts(0,1,dps->dirname);
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rb->lcd_puts(0,2,entry->d_name);
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rb->snprintf(dps->tstr, 64, "Directories: %d", dps->dc);
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rb->lcd_puts(0,3,dps->tstr);
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rb->snprintf(dps->tstr, 64, "Files: %d", dps->fc);
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rb->lcd_puts(0,4,dps->tstr);
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rb->snprintf(dps->tstr, 64, "Size: %s",
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filesize2string(dps->bc, dps->tstr2, 64));
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rb->lcd_puts(0,5,dps->tstr);
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rb->lcd_update();
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/* recursion */
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result = _dir_properties(dps);
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}
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else
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{
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dps->fc++; /* new file */
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dps->bc += entry->size;
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}
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if(ACTION_STD_CANCEL == rb->get_action(CONTEXT_STD,TIMEOUT_NOBLOCK))
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result = false;
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rb->yield();
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}
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rb->closedir(dir);
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return result;
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}
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static bool dir_properties(char* selected_file)
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{
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DPS dps;
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char tstr[64];
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rb->strlcpy(dps.dirname, selected_file, MAX_PATH);
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dps.len = MAX_PATH;
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dps.dc = 0;
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dps.fc = 0;
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dps.bc = 0;
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if(false == _dir_properties(&dps))
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return false;
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rb->strlcpy(str_dirname, selected_file, MAX_PATH);
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rb->snprintf(str_dircount, sizeof str_dircount, "Subdirs: %d", dps.dc);
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rb->snprintf(str_filecount, sizeof str_filecount, "Files: %d", dps.fc);
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rb->snprintf(str_size, sizeof str_size, "Size: %s",
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filesize2string(dps.bc, tstr, sizeof tstr));
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num_properties = 4;
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return true;
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}
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static const char * get_props(int selected_item, void* data,
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char *buffer, size_t buffer_len)
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{
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(void)data;
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switch(selected_item)
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{
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case 0:
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rb->strlcpy(buffer, str_dirname, buffer_len);
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break;
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case 1:
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rb->strlcpy(buffer, its_a_dir ? str_dircount : str_filename,
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buffer_len);
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break;
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case 2:
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rb->strlcpy(buffer, its_a_dir ? str_filecount : str_size, buffer_len);
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break;
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case 3:
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rb->strlcpy(buffer, its_a_dir ? str_size : str_date, buffer_len);
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break;
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case 4:
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rb->strlcpy(buffer, its_a_dir ? "" : str_time, buffer_len);
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break;
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case 5:
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rb->strlcpy(buffer, its_a_dir ? "" : str_artist, buffer_len);
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break;
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case 6:
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rb->strlcpy(buffer, its_a_dir ? "" : str_title, buffer_len);
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break;
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case 7:
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rb->strlcpy(buffer, its_a_dir ? "" : str_album, buffer_len);
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break;
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case 8:
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rb->strlcpy(buffer, its_a_dir ? "" : str_duration, buffer_len);
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break;
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default:
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return "ERROR";
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}
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return buffer;
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}
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enum plugin_status plugin_start(const void* parameter)
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{
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struct gui_synclist properties_lists;
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#ifdef HAVE_LCD_BITMAP
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int i;
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#endif
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int button;
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bool quit = false, usb = false;
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char file[MAX_PATH];
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if(!parameter) return PLUGIN_ERROR;
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rb->strcpy(file, (const char *) parameter);
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/* determine if it's a file or a directory */
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bool found = false;
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DIR* dir;
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struct dirent* entry;
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char* ptr = rb->strrchr(file, '/') + 1;
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int dirlen = (ptr - file);
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rb->strlcpy(str_dirname, file, dirlen + 1);
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dir = rb->opendir(str_dirname);
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if (dir)
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{
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while(0 != (entry = rb->readdir(dir)))
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{
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if(!rb->strcmp(entry->d_name, file+dirlen))
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{
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its_a_dir = entry->attribute & ATTR_DIRECTORY ? true : false;
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found = true;
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break;
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}
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}
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rb->closedir(dir);
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}
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/* now we know if it's a file or a dir or maybe something failed */
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if(!found)
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{
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/* weird: we couldn't find the entry. This Should Never Happen (TM) */
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rb->splashf(0, "File/Dir not found: %s", file);
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rb->action_userabort(TIMEOUT_BLOCK);
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return PLUGIN_OK;
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}
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/* get the info depending on its_a_dir */
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if(!(its_a_dir ? dir_properties(file) : file_properties(file)))
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{
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/* something went wrong (to do: tell user what it was (nesting,...) */
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rb->splash(0, "Failed to gather information");
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rb->action_userabort(TIMEOUT_BLOCK);
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return PLUGIN_OK;
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}
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#ifdef HAVE_LCD_BITMAP
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FOR_NB_SCREENS(i)
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rb->viewportmanager_theme_enable(i, true, NULL);
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#endif
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rb->gui_synclist_init(&properties_lists, &get_props, file, false, 1, NULL);
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rb->gui_synclist_set_title(&properties_lists, its_a_dir ?
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"Directory properties" :
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"File properties", NOICON);
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rb->gui_synclist_set_icon_callback(&properties_lists, NULL);
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rb->gui_synclist_set_nb_items(&properties_lists, num_properties);
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rb->gui_synclist_limit_scroll(&properties_lists, true);
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rb->gui_synclist_select_item(&properties_lists, 0);
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rb->gui_synclist_draw(&properties_lists);
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while(!quit)
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{
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button = rb->get_action(CONTEXT_LIST, HZ);
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/* HZ so the status bar redraws corectly */
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if (rb->gui_synclist_do_button(&properties_lists,&button,LIST_WRAP_ON))
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continue;
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switch(button)
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{
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case ACTION_STD_CANCEL:
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quit = true;
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break;
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default:
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if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
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{
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quit = true;
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usb = true;
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}
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break;
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}
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}
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#ifdef HAVE_LCD_BITMAP
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FOR_NB_SCREENS(i)
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rb->viewportmanager_theme_undo(i, false);
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#endif
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return usb? PLUGIN_USB_CONNECTED: PLUGIN_OK;
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}
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