apps/filetree.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Björn Stenberg
  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 <stdlib.h>
  22 #include <file.h>
  23 #include <dir.h>
  24 #include <string.h>
  25 #include <kernel.h>
  26 #include <lcd.h>
  27 #include <debug.h>
  28 #include <font.h>
  29 #include <limits.h>
  30 #include "bookmark.h"
  31 #include "tree.h"
  32 #include "settings.h"
  33 #include "filetypes.h"
  34 #include "talk.h"
  35 #include "playlist.h"
  36 #include "gwps.h"
  37 #include "lang.h"
  38 #include "language.h"
  39 #include "screens.h"
  40 #include "plugin.h"
  41 #include "rolo.h"
  42 #include "sprintf.h"
  43 #include "splash.h"
  44 #include "yesno.h"
  45 #include "cuesheet.h"
  46 #include "filetree.h"
  47 #include "misc.h"
  48 #ifdef HAVE_LCD_BITMAP
  49 #include "keyboard.h"
  50 #endif
  51
  52 #if CONFIG_TUNER
  53 #include "radio.h"
  54 #endif
  55
  56 #include "backdrop.h"
  57
  58 static int compare_sort_dir; /* qsort key for sorting directories */
  59
  60 int ft_build_playlist(struct tree_context* c, int start_index)
  61 {
  62     int i;
  63     int start=start_index;
  64
  65     struct entry *dircache = c->dircache;
  66
  67     for(i = 0;i < c->filesindir;i++)
  68     {
  69         if((dircache[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
  70         {
  71             if (playlist_add(dircache[i].name) < 0)
  72                 break;
  73         }
  74         else
  75         {
  76             /* Adjust the start index when se skip non-MP3 entries */
  77             if(i < start)
  78                 start_index--;
  79         }
  80     }
  81
  82     return start_index;
  83 }
  84
  85 /* Start playback of a playlist, checking for bookmark autoload, modified
  86  * playlists, etc., as required. Returns false if playback wasn't started,
  87  * or started via bookmark autoload, true otherwise.
  88  *
  89  * Pointers to both the full pathname and the separated parts needed to
  90  * avoid allocating yet another path buffer on the stack (and save some
  91  * code; the caller typically needs to create the full pathname anyway)...
  92  */
  93 bool ft_play_playlist(char* pathname, char* dirname, char* filename)
  94 {
  95     if (global_settings.party_mode && audio_status())
  96     {
  97         splash(HZ, ID2P(LANG_PARTY_MODE));
  98         return false;
  99     }
 100
 101     if (bookmark_autoload(pathname))
 102     {
 103         return false;
 104     }
 105
 106     splash(0, ID2P(LANG_WAIT));
 107
 108     /* about to create a new current playlist...
 109        allow user to cancel the operation */
 110     if (!warn_on_pl_erase())
 111         return false;
 112
 113     if (playlist_create(dirname, filename) != -1)
 114     {
 115         if (global_settings.playlist_shuffle)
 116         {
 117             playlist_shuffle(current_tick, -1);
 118         }
 119
 120         playlist_start(0, 0);
 121         return true;
 122     }
 123
 124     return false;
 125 }
 126
 127 /* walk a directory and check all dircache entries if a .talk file exists */
 128 static void check_file_thumbnails(struct tree_context* c)
 129 {
 130     int i;
 131     struct dirent *entry;
 132     struct entry* dircache = c->dircache;
 133     DIR *dir;
 134
 135     dir = opendir(c->currdir);
 136     if(!dir)
 137         return;
 138     /* mark all files as non talking, except the .talk ones */
 139     for (i=0; i < c->filesindir; i++)
 140     {
 141         if (dircache[i].attr & ATTR_DIRECTORY)
 142             continue; /* we're not touching directories */
 143
 144         if (strcasecmp(file_thumbnail_ext,
 145             &dircache[i].name[strlen(dircache[i].name)
 146                               - strlen(file_thumbnail_ext)]))
 147         {   /* no .talk file */
 148             dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 149         }
 150         else
 151         {   /* .talk file, we later let them speak themselves */
 152             dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 153         }
 154     }
 155
 156     while((entry = readdir(dir)) != 0) /* walk directory */
 157     {
 158         int ext_pos;
 159
 160         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 161         if (ext_pos <= 0 /* too short to carry ".talk" */
 162             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 163             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 164         {   /* or doesn't end with ".talk", no candidate */
 165             continue;
 166         }
 167
 168         /* terminate the (disposable) name in dir buffer,
 169            this truncates off the ".talk" without needing an extra buffer */
 170         entry->d_name[ext_pos] = '\0';
 171
 172         /* search corresponding file in dir cache */
 173         for (i=0; i < c->filesindir; i++)
 174         {
 175             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 176             {   /* match */
 177                 dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 178                 break; /* exit search loop, because we found it */
 179             }
 180         }
 181     }
 182     closedir(dir);
 183 }
 184
 185 /* support function for qsort() */
 186 static int compare(const void* p1, const void* p2)
 187 {
 188     struct entry* e1 = (struct entry*)p1;
 189     struct entry* e2 = (struct entry*)p2;
 190     int criteria;
 191
 192     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 193     {   /* two directories */
 194         criteria = compare_sort_dir;
 195
 196 #ifdef HAVE_MULTIVOLUME
 197         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 198         {   /* a volume identifier is involved */
 199             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 200                 criteria = SORT_ALPHA; /* two volumes: sort alphabetically */
 201             else /* only one is a volume: volume first */
 202                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 203         }
 204 #endif
 205
 206     }
 207     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 208     {   /* two files */
 209         criteria = global_settings.sort_file;
 210     }
 211     else /* dir and file, dir goes first */
 212         return (e2->attr & ATTR_DIRECTORY) - (e1->attr & ATTR_DIRECTORY);
 213
 214     switch(criteria)
 215     {
 216         case SORT_TYPE:
 217         case SORT_TYPE_REVERSED:
 218         {
 219             int t1 = e1->attr & FILE_ATTR_MASK;
 220             int t2 = e2->attr & FILE_ATTR_MASK;
 221
 222             if (!t1) /* unknown type */
 223                 t1 = INT_MAX; /* gets a high number, to sort after known */
 224             if (!t2) /* unknown type */
 225                 t2 = INT_MAX; /* gets a high number, to sort after known */
 226
 227             if (t1 != t2) /* if different */
 228                 return (t1 - t2) * (criteria == SORT_TYPE_REVERSED ? -1 : 1);
 229             /* else fall through to alphabetical sorting */
 230         }
 231
 232         case SORT_DATE:
 233         case SORT_DATE_REVERSED:
 234             /* Ignore SORT_TYPE */
 235             if (criteria == SORT_DATE || criteria == SORT_DATE_REVERSED)
 236             {
 237                 if (e1->time_write != e2->time_write)
 238                     return (e1->time_write - e2->time_write)
 239                            * (criteria == SORT_DATE_REVERSED ? -1 : 1);
 240                 /* else fall through to alphabetical sorting */
 241             }
 242
 243         case SORT_ALPHA:
 244         case SORT_ALPHA_REVERSED:
 245             if (global_settings.sort_case)
 246                 return strncmp(e1->name, e2->name, MAX_PATH)
 247                        * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 248             else
 249                 return strncasecmp(e1->name, e2->name, MAX_PATH)
 250                        * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 251
 252     }
 253     return 0; /* never reached */
 254 }
 255
 256 /* load and sort directory into dircache. returns NULL on failure. */
 257 int ft_load(struct tree_context* c, const char* tempdir)
 258 {
 259     int i;
 260     int name_buffer_used = 0;
 261     DIR *dir;
 262
 263     if (tempdir)
 264         dir = opendir(tempdir);
 265     else
 266         dir = opendir(c->currdir);
 267     if(!dir)
 268         return -1; /* not a directory */
 269
 270     c->dirsindir = 0;
 271     c->dirfull = false;
 272
 273     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 274         int len;
 275         struct dirent *entry = readdir(dir);
 276         struct entry* dptr =
 277             (struct entry*)(c->dircache + i * sizeof(struct entry));
 278         if (!entry)
 279             break;
 280
 281         len = strlen((char *)entry->d_name);
 282
 283         /* skip directories . and .. */
 284         if ((entry->attribute & ATTR_DIRECTORY) &&
 285             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 286              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 287             i--;
 288             continue;
 289         }
 290
 291         /* Skip FAT volume ID */
 292         if (entry->attribute & ATTR_VOLUME_ID) {
 293             i--;
 294             continue;
 295         }
 296
 297         /* filter out dotfiles and hidden files */
 298         if (*c->dirfilter != SHOW_ALL &&
 299             ((entry->d_name[0]=='.') ||
 300             (entry->attribute & ATTR_HIDDEN))) {
 301             i--;
 302             continue;
 303         }
 304
 305         dptr->attr = entry->attribute;
 306
 307         /* check for known file types */
 308         if ( !(dptr->attr & ATTR_DIRECTORY) )
 309             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 310
 311         /* filter out non-visible files */
 312         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 313             (*c->dirfilter == SHOW_PLAYLIST &&
 314              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 315             ((*c->dirfilter == SHOW_MUSIC &&
 316              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 317              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 318             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 319             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 320 #ifdef HAVE_REMOTE_LCD
 321             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 322 #endif
 323 #if CONFIG_TUNER
 324             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 325 #endif
 326             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 327             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 328             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 329             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 330             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK))
 331         {
 332             i--;
 333             continue;
 334         }
 335
 336         if (len > c->name_buffer_size - name_buffer_used - 1) {
 337             /* Tell the world that we ran out of buffer space */
 338             c->dirfull = true;
 339             break;
 340         }
 341         dptr->name = &c->name_buffer[name_buffer_used];
 342         dptr->time_write =
 343             (long)entry->wrtdate<<16 |
 344             (long)entry->wrttime; /* in one # */
 345         strcpy(dptr->name, (char *)entry->d_name);
 346         name_buffer_used += len + 1;
 347
 348         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 349             c->dirsindir++;
 350     }
 351     c->filesindir = i;
 352     c->dirlength = i;
 353     closedir(dir);
 354
 355     compare_sort_dir = c->sort_dir;
 356     qsort(c->dircache,i,sizeof(struct entry),compare);
 357
 358     /* If thumbnail talking is enabled, make an extra run to mark files with
 359        associated thumbnails, so we don't do unsuccessful spinups later. */
 360     if (global_settings.talk_file_clip)
 361         check_file_thumbnails(c); /* map .talk to ours */
 362
 363     return 0;
 364 }
 365
 366 int ft_enter(struct tree_context* c)
 367 {
 368     int rc = 0;
 369     char buf[MAX_PATH];
 370     struct entry *dircache = c->dircache;
 371     struct entry* file = &dircache[c->selected_item];
 372     bool reload_dir = false;
 373     bool start_wps = false;
 374     bool exit_func = false;
 375
 376     if (c->currdir[1])
 377         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 378     else
 379         snprintf(buf,sizeof(buf),"/%s",file->name);
 380
 381     if (file->attr & ATTR_DIRECTORY) {
 382         memcpy(c->currdir, buf, sizeof(c->currdir));
 383         if ( c->dirlevel < MAX_DIR_LEVELS )
 384             c->selected_item_history[c->dirlevel] = c->selected_item;
 385         c->dirlevel++;
 386         c->selected_item=0;
 387     }
 388     else {
 389         int seed = current_tick;
 390         bool play = false;
 391         int start_index=0;
 392
 393         switch ( file->attr & FILE_ATTR_MASK ) {
 394             case FILE_ATTR_M3U:
 395                 play = ft_play_playlist(buf, c->currdir, file->name);
 396
 397                 if (play)
 398                 {
 399                     start_index = 0;
 400                 }
 401
 402                 break;
 403
 404             case FILE_ATTR_AUDIO:
 405                 if (bookmark_autoload(c->currdir))
 406                     break;
 407
 408                 splash(0, ID2P(LANG_WAIT));
 409
 410                 /* about to create a new current playlist...
 411                    allow user to cancel the operation */
 412                 if (!warn_on_pl_erase())
 413                     break;
 414
 415                 if (global_settings.party_mode && audio_status())
 416                 {
 417                     playlist_insert_track(NULL, buf,
 418                                           PLAYLIST_INSERT_LAST, true, true);
 419                     splash(HZ, ID2P(LANG_QUEUE_LAST));
 420                 }
 421                 else if (playlist_create(c->currdir, NULL) != -1)
 422                 {
 423                     start_index = ft_build_playlist(c, c->selected_item);
 424                     if (global_settings.playlist_shuffle)
 425                     {
 426                         start_index = playlist_shuffle(seed, start_index);
 427
 428                         /* when shuffling dir.: play all files
 429                            even if the file selected by user is
 430                            not the first one */
 431                         if (!global_settings.play_selected)
 432                             start_index = 0;
 433                     }
 434
 435                     playlist_start(start_index, 0);
 436                     play = true;
 437                 }
 438                 break;
 439
 440 #if CONFIG_TUNER
 441                 /* fmr preset file */
 442             case FILE_ATTR_FMR:
 443                 splash(0, ID2P(LANG_WAIT));
 444
 445                 /* Preset inside the default folder. */
 446                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 447                 {
 448                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 449                     radio_load_presets(global_settings.fmr_file);
 450                     if(!in_radio_screen())
 451                         radio_screen();
 452                 }
 453                 /*
 454                  * Preset outside default folder, we can choose such only
 455                  * if we are out of the radio screen, so the check for the
 456                  * radio status isn't neccessary
 457                  */
 458                 else
 459                 {
 460                     radio_load_presets(buf);
 461                     radio_screen();
 462                 }
 463
 464                 break;
 465 #endif
 466
 467
 468                 /* wps config file */
 469             case FILE_ATTR_WPS:
 470                 splash(0, ID2P(LANG_WAIT));
 471 #if LCD_DEPTH > 1
 472                 unload_wps_backdrop();
 473 #endif
 474                 wps_data_load(gui_wps[0].data, &screens[0], buf, true);
 475                 set_file(buf, (char *)global_settings.wps_file,
 476                          MAX_FILENAME);
 477                 break;
 478
 479 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 480                 /* remote-wps config file */
 481             case FILE_ATTR_RWPS:
 482                 splash(0, ID2P(LANG_WAIT));
 483 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 484                 unload_remote_wps_backdrop();
 485 #endif
 486                 wps_data_load(gui_wps[1].data, &screens[1], buf, true);
 487                 set_file(buf, (char *)global_settings.rwps_file,
 488                          MAX_FILENAME);
 489                 break;
 490 #endif
 491
 492             case FILE_ATTR_CFG:
 493                 splash(0, ID2P(LANG_WAIT));
 494                 if (!settings_load_config(buf,true))
 495                     break;
 496                 splash(HZ, ID2P(LANG_SETTINGS_LOADED));
 497                 break;
 498
 499             case FILE_ATTR_BMARK:
 500                 splash(0, ID2P(LANG_WAIT));
 501                 bookmark_load(buf, false);
 502                 reload_dir = true;
 503                 break;
 504
 505             case FILE_ATTR_LNG:
 506                 splash(0, ID2P(LANG_WAIT));
 507                 if(!lang_load(buf)) {
 508                     set_file(buf, (char *)global_settings.lang_file,
 509                              MAX_FILENAME);
 510                     talk_init(); /* use voice of same language */
 511                     splash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 512                 }
 513                 break;
 514
 515 #ifdef HAVE_LCD_BITMAP
 516             case FILE_ATTR_FONT:
 517                 splash(0, ID2P(LANG_WAIT));
 518                 font_load(buf);
 519                 set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
 520                 break;
 521
 522             case FILE_ATTR_KBD:
 523                 splash(0, ID2P(LANG_WAIT));
 524                 if (!load_kbd(buf))
 525                     splash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 526                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 527                 break;
 528 #endif
 529
 530 #ifndef SIMULATOR
 531                 /* firmware file */
 532             case FILE_ATTR_MOD:
 533                 splash(0, ID2P(LANG_WAIT));
 534                 rolo_load(buf);
 535                 break;
 536 #endif
 537
 538                 /* plugin file */
 539             case FILE_ATTR_ROCK:
 540                 if (global_settings.party_mode && audio_status()) {
 541                     splash(HZ, ID2P(LANG_PARTY_MODE));
 542                     break;
 543                 }
 544
 545                 if (plugin_load(buf,NULL) == PLUGIN_USB_CONNECTED)
 546                 {
 547                     if(*c->dirfilter > NUM_FILTER_MODES)
 548                         /* leave sub-browsers after usb, doing
 549                            otherwise might be confusing to the user */
 550                         exit_func = true;
 551                     else
 552                         reload_dir = true;
 553                 }
 554                 break;
 555
 556             case FILE_ATTR_CUE:
 557                 display_cuesheet_content(buf);
 558                 break;
 559
 560             default:
 561             {
 562                 const char* plugin;
 563
 564                 if (global_settings.party_mode && audio_status()) {
 565                     splash(HZ, ID2P(LANG_PARTY_MODE));
 566                     break;
 567                 }
 568
 569                 plugin = filetype_get_plugin(file);
 570                 if (plugin)
 571                 {
 572                     if (plugin_load(plugin,buf) == PLUGIN_USB_CONNECTED)
 573                         reload_dir = true;
 574                 }
 575                 break;
 576             }
 577         }
 578
 579         if ( play ) {
 580             /* the resume_index must always be the index in the
 581                shuffled list in case shuffle is enabled */
 582             global_status.resume_index = start_index;
 583             global_status.resume_offset = 0;
 584             status_save();
 585
 586             start_wps = true;
 587         }
 588         else {
 589             if (*c->dirfilter > NUM_FILTER_MODES &&
 590                 *c->dirfilter != SHOW_FONT &&
 591                 *c->dirfilter != SHOW_PLUGINS)
 592             {
 593                 exit_func = true;
 594             }
 595         }
 596     }
 597
 598     if (reload_dir)
 599         rc = 1;
 600     if (start_wps)
 601         rc = 2;
 602     if (exit_func)
 603         rc = 3;
 604
 605     return rc;
 606 }
 607
 608 int ft_exit(struct tree_context* c)
 609 {
 610     extern char lastfile[]; /* from tree.c */
 611     char buf[MAX_PATH];
 612     int rc = 0;
 613     bool exit_func = false;
 614
 615     int i = strlen(c->currdir);
 616     if (i>1) {
 617         while (c->currdir[i-1]!='/')
 618             i--;
 619         strcpy(buf,&c->currdir[i]);
 620         if (i==1)
 621             c->currdir[i]=0;
 622         else
 623             c->currdir[i-1]=0;
 624
 625         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 626             exit_func = true;
 627
 628         c->dirlevel--;
 629         if ( c->dirlevel < MAX_DIR_LEVELS )
 630             c->selected_item=c->selected_item_history[c->dirlevel];
 631         else
 632             c->selected_item=0;
 633
 634         /* if undefined position */
 635         if (c->selected_item == -1)
 636             strcpy(lastfile, buf);
 637     }
 638     else
 639     {
 640         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 641             exit_func = true;
 642     }
 643
 644     if (exit_func)
 645         rc = 3;
 646
 647     return rc;
 648 }