apps/plugins/properties.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 Peter D'Hoye
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "plugin.h"
  22
  23 PLUGIN_HEADER
  24
  25 bool its_a_dir = false;
  26
  27 char str_filename[MAX_PATH];
  28 char str_dirname[MAX_PATH];
  29 char str_size[64];
  30 char str_dircount[64];
  31 char str_filecount[64];
  32 char str_date[64];
  33 char str_time[64];
  34
  35 char str_title[MAX_PATH];
  36 char str_artist[MAX_PATH];
  37 char str_album[MAX_PATH];
  38 char str_duration[32];
  39
  40 int num_properties;
  41
  42 static char* filesize2string(long long size, char* pstr, int len)
  43 {
  44     /* margin set at 10K boundary: 10239 B +1 => 10 KB
  45        routine below is 200 bytes smaller than cascaded if/else :)
  46        not using build-in function because of huge values (long long) */
  47     const char* kgb[4] = { "B", "KB", "MB", "GB" };
  48     int i = 0;
  49     while(true)
  50     {
  51         if((size < 10240) || (i > 2))
  52         {
  53             /* depends on the order in the above array */
  54             rb->snprintf(pstr, len, "%ld %s", (long)size, kgb[i]);
  55             break;
  56         }
  57         size >>= 10; /* div by 1024 */
  58         i++;
  59     }
  60     return pstr;
  61 }
  62
  63 static bool file_properties(char* selected_file)
  64 {
  65     bool found = false;
  66     char tstr[MAX_PATH];
  67     DIR* dir;
  68     struct dirent* entry;
  69     struct mp3entry id3;
  70
  71     char* ptr = rb->strrchr(selected_file, '/') + 1;
  72     int dirlen = (ptr - selected_file);
  73     rb->strncpy(tstr, selected_file, dirlen);
  74     tstr[dirlen] = 0;
  75
  76     dir = rb->opendir(tstr);
  77     if (dir)
  78     {
  79         while(0 != (entry = rb->readdir(dir)))
  80         {
  81             if(!rb->strcmp(entry->d_name, selected_file+dirlen))
  82             {
  83                 rb->snprintf(str_dirname, sizeof str_dirname, "Path: %s",
  84                              tstr);
  85                 rb->snprintf(str_filename, sizeof str_filename, "Name: %s",
  86                              selected_file+dirlen);
  87                 rb->snprintf(str_size, sizeof str_size, "Size: %s",
  88                              filesize2string(entry->size, tstr, sizeof tstr));
  89                 rb->snprintf(str_date, sizeof str_date, "Date: %04d/%02d/%02d",
  90                     ((entry->wrtdate >> 9 ) & 0x7F) + 1980, /* year    */
  91                     ((entry->wrtdate >> 5 ) & 0x0F),        /* month   */
  92                     ((entry->wrtdate      ) & 0x1F));       /* day     */
  93                 rb->snprintf(str_time, sizeof str_time, "Time: %02d:%02d",
  94                     ((entry->wrttime >> 11) & 0x1F),        /* hour    */
  95                     ((entry->wrttime >> 5 ) & 0x3F));       /* minutes */
  96
  97                 num_properties = 5;
  98
  99 #if (CONFIG_CODEC == SWCODEC)
 100                 int fd = rb->open(selected_file, O_RDONLY);
 101                 if (fd >= 0 &&
 102                     rb->get_metadata(&id3, fd, selected_file))
 103 #else
 104                 if (!rb->mp3info(&id3, selected_file))
 105 #endif
 106                 {
 107                     long dur = id3.length / 1000;           /* seconds */
 108                     rb->snprintf(str_artist, sizeof str_artist,
 109                                  "Artist: %s", id3.artist ? id3.artist : "");
 110                     rb->snprintf(str_title, sizeof str_title,
 111                                  "Title: %s", id3.title ? id3.title : "");
 112                     rb->snprintf(str_album, sizeof str_album,
 113                                  "Album: %s", id3.album ? id3.album : "");
 114                     num_properties += 3;
 115
 116                     if (dur > 0)
 117                     {
 118                         if (dur < 3600)
 119                             rb->snprintf(str_duration, sizeof str_duration,
 120                                          "Duration: %d:%02d", (int)(dur / 60),
 121                                          (int)(dur % 60));
 122                         else
 123                             rb->snprintf(str_duration, sizeof str_duration,
 124                                          "Duration: %d:%02d:%02d",
 125                                          (int)(dur / 3600),
 126                                          (int)(dur % 3600 / 60),
 127                                          (int)(dur % 60));
 128                         num_properties++;
 129                     }
 130                 }
 131 #if (CONFIG_CODEC == SWCODEC)
 132                 rb->close(fd);
 133 #endif
 134                 found = true;
 135                 break;
 136             }
 137         }
 138         rb->closedir(dir);
 139     }
 140     return found;
 141 }
 142
 143 typedef struct {
 144     char dirname[MAX_PATH];
 145     int len;
 146     unsigned int dc;
 147     unsigned int fc;
 148     long long bc;
 149     char tstr[64];
 150     char tstr2[64];
 151 } DPS;
 152
 153 static bool _dir_properties(DPS* dps)
 154 {
 155     /* recursively scan directories in search of files
 156        and informs the user of the progress */
 157     bool result;
 158     int dirlen;
 159     DIR* dir;
 160     struct dirent* entry;
 161
 162     result = true;
 163     dirlen = rb->strlen(dps->dirname);
 164     dir = rb->opendir(dps->dirname);
 165     if (!dir)
 166         return false; /* open error */
 167
 168     /* walk through the directory content */
 169     while(result && (0 != (entry = rb->readdir(dir))))
 170     {
 171         /* append name to current directory */
 172         rb->snprintf(dps->dirname+dirlen, dps->len-dirlen, "/%s",
 173                      entry->d_name);
 174
 175         if (entry->attribute & ATTR_DIRECTORY)
 176         {
 177             if (!rb->strcmp((char *)entry->d_name, ".") ||
 178                 !rb->strcmp((char *)entry->d_name, ".."))
 179                 continue; /* skip these */
 180
 181             dps->dc++; /* new directory */
 182             rb->lcd_clear_display();
 183             rb->lcd_puts(0,0,"SCANNING...");
 184             rb->lcd_puts(0,1,dps->dirname);
 185             rb->lcd_puts(0,2,entry->d_name);
 186             rb->snprintf(dps->tstr, 64, "Directories: %d", dps->dc);
 187             rb->lcd_puts(0,3,dps->tstr);
 188             rb->snprintf(dps->tstr, 64, "Files: %d", dps->fc);
 189             rb->lcd_puts(0,4,dps->tstr);
 190             rb->snprintf(dps->tstr, 64, "Size: %s",
 191                 filesize2string(dps->bc, dps->tstr2, 64));
 192             rb->lcd_puts(0,5,dps->tstr);
 193             rb->lcd_update();
 194
 195              /* recursion */
 196             result = _dir_properties(dps);
 197         }
 198         else
 199         {
 200             dps->fc++; /* new file */
 201             dps->bc += entry->size;
 202         }
 203         if(ACTION_STD_CANCEL == rb->get_action(CONTEXT_STD,TIMEOUT_NOBLOCK))
 204             result = false;
 205         rb->yield();
 206     }
 207     rb->closedir(dir);
 208     return result;
 209 }
 210
 211 static bool dir_properties(char* selected_file)
 212 {
 213     DPS dps;
 214     char tstr[64];
 215     rb->strncpy(dps.dirname, selected_file, MAX_PATH);
 216     dps.len = MAX_PATH;
 217     dps.dc = 0;
 218     dps.fc = 0;
 219     dps.bc = 0;
 220     if(false == _dir_properties(&dps))
 221         return false;
 222
 223     rb->strncpy(str_dirname, selected_file, MAX_PATH);
 224     rb->snprintf(str_dircount, sizeof str_dircount, "Subdirs: %d", dps.dc);
 225     rb->snprintf(str_filecount, sizeof str_filecount, "Files: %d", dps.fc);
 226     rb->snprintf(str_size, sizeof str_size, "Size: %s",
 227                  filesize2string(dps.bc, tstr, sizeof tstr));
 228     num_properties = 4;
 229     return true;
 230 }
 231
 232 char * get_props(int selected_item, void* data, char *buffer, size_t buffer_len)
 233 {
 234     (void)data;
 235
 236     switch(selected_item)
 237     {
 238         case 0:
 239             rb->strncpy(buffer, str_dirname, buffer_len);
 240             break;
 241         case 1:
 242             rb->strncpy(buffer, its_a_dir ? str_dircount : str_filename,
 243                         buffer_len);
 244             break;
 245         case 2:
 246             rb->strncpy(buffer, its_a_dir ? str_filecount : str_size, buffer_len);
 247             break;
 248         case 3:
 249             rb->strncpy(buffer, its_a_dir ? str_size : str_date, buffer_len);
 250             break;
 251         case 4:
 252             rb->strncpy(buffer, its_a_dir ? "" : str_time, buffer_len);
 253             break;
 254         case 5:
 255             rb->strncpy(buffer, its_a_dir ? "" : str_artist, buffer_len);
 256             break;
 257         case 6:
 258             rb->strncpy(buffer, its_a_dir ? "" : str_title, buffer_len);
 259             break;
 260         case 7:
 261             rb->strncpy(buffer, its_a_dir ? "" : str_album, buffer_len);
 262             break;
 263         case 8:
 264             rb->strncpy(buffer, its_a_dir ? "" : str_duration, buffer_len);
 265             break;
 266         default:
 267             rb->strncpy(buffer, "ERROR", buffer_len);
 268             break;
 269     }
 270     return buffer;
 271 }
 272
 273 enum plugin_status plugin_start(const void* parameter)
 274 {
 275     struct gui_synclist properties_lists;
 276     int button;
 277     bool prev_show_statusbar;
 278     bool quit = false;
 279     char file[MAX_PATH];
 280     rb->strcpy(file, (const char *) parameter);
 281
 282     /* determine if it's a file or a directory */
 283     bool found = false;
 284     DIR* dir;
 285     struct dirent* entry;
 286     char* ptr = rb->strrchr(file, '/') + 1;
 287     int dirlen = (ptr - file);
 288     rb->strncpy(str_dirname, file, dirlen);
 289     str_dirname[dirlen] = 0;
 290
 291     dir = rb->opendir(str_dirname);
 292     if (dir)
 293     {
 294         while(0 != (entry = rb->readdir(dir)))
 295         {
 296             if(!rb->strcmp(entry->d_name, file+dirlen))
 297             {
 298                 its_a_dir = entry->attribute & ATTR_DIRECTORY ? true : false;
 299                 found = true;
 300                 break;
 301             }
 302         }
 303         rb->closedir(dir);
 304     }
 305     /* now we know if it's a file or a dir or maybe something failed */
 306
 307     if(!found)
 308     {
 309         /* weird: we couldn't find the entry. This Should Never Happen (TM) */
 310         rb->splashf(0, "File/Dir not found: %s", file);
 311         rb->action_userabort(TIMEOUT_BLOCK);
 312         return PLUGIN_OK;
 313     }
 314
 315     /* get the info depending on its_a_dir */
 316     if(!(its_a_dir ? dir_properties(file) : file_properties(file)))
 317     {
 318         /* something went wrong (to do: tell user what it was (nesting,...) */
 319         rb->splash(0, "Failed to gather information");
 320         rb->action_userabort(TIMEOUT_BLOCK);
 321         return PLUGIN_OK;
 322     }
 323
 324     /* prepare the list for the user */
 325     prev_show_statusbar = rb->global_settings->statusbar;
 326     rb->global_settings->statusbar = false;
 327
 328     rb->gui_synclist_init(&properties_lists, &get_props, file, false, 1, NULL);
 329     rb->gui_synclist_set_title(&properties_lists, its_a_dir ?
 330                                                   "Directory properties" :
 331                                                   "File properties", NOICON);
 332     rb->gui_synclist_set_icon_callback(&properties_lists, NULL);
 333     rb->gui_synclist_set_nb_items(&properties_lists, num_properties);
 334     rb->gui_synclist_limit_scroll(&properties_lists, true);
 335     rb->gui_synclist_select_item(&properties_lists, 0);
 336     rb->gui_synclist_draw(&properties_lists);
 337
 338     while(!quit)
 339     {
 340         button = rb->get_action(CONTEXT_LIST,TIMEOUT_BLOCK);
 341         if (rb->gui_synclist_do_button(&properties_lists,&button,LIST_WRAP_ON))
 342             continue;
 343         switch(button)
 344         {
 345             case ACTION_STD_CANCEL:
 346                 quit = true;
 347                 break;
 348             default:
 349                 if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 350                 {
 351                     rb->global_settings->statusbar = prev_show_statusbar;
 352                     return PLUGIN_USB_CONNECTED;
 353                 }
 354         }
 355     }
 356     rb->global_settings->statusbar = prev_show_statusbar;
 357
 358     return PLUGIN_OK;
 359 }