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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include <stdlib.h>
  20 #include <file.h>
  21 #include <dir.h>
  22 #include <string.h>
  23 #include <kernel.h>
  24 #include <lcd.h>
  25 #include <debug.h>
  26 #include <font.h>
  27 #include <limits.h>
  28 #include "bookmark.h"
  29 #include "tree.h"
  30 #include "settings.h"
  31 #include "filetypes.h"
  32 #include "talk.h"
  33 #include "playlist.h"
  34 #include "gwps.h"
  35 #include "lang.h"
  36 #include "language.h"
  37 #include "screens.h"
  38 #include "plugin.h"
  39 #include "rolo.h"
  40 #include "sprintf.h"
  41 #include "splash.h"
  42 #include "yesno.h"
  43 #include "cuesheet.h"
  44 #ifdef HAVE_LCD_BITMAP
  45 #include "keyboard.h"
  46 #endif
  47
  48 #if CONFIG_TUNER
  49 #include "radio.h"
  50 #endif
  51
  52 #include "backdrop.h"
  53
  54 int ft_build_playlist(struct tree_context* c, int start_index)
  55 {
  56     int i;
  57     int start=start_index;
  58
  59     struct entry *dircache = c->dircache;
  60
  61     for(i = 0;i < c->filesindir;i++)
  62     {
  63         if((dircache[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
  64         {
  65             if (playlist_add(dircache[i].name) < 0)
  66                 break;
  67         }
  68         else
  69         {
  70             /* Adjust the start index when se skip non-MP3 entries */
  71             if(i < start)
  72                 start_index--;
  73         }
  74     }
  75
  76     return start_index;
  77 }
  78
  79 /* Start playback of a playlist, checking for bookmark autoload, modified
  80  * playlists, etc., as required. Returns false if playback wasn't started,
  81  * or started via bookmark autoload, true otherwise.
  82  *
  83  * Pointers to both the full pathname and the separated parts needed to
  84  * avoid allocating yet another path buffer on the stack (and save some
  85  * code; the caller typically needs to create the full pathname anyway)...
  86  */
  87 bool ft_play_playlist(char* pathname, char* dirname, char* filename)
  88 {
  89     if (global_settings.party_mode)
  90     {
  91         gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
  92         return false;
  93     }
  94
  95     if (bookmark_autoload(pathname))
  96     {
  97         return false;
  98     }
  99
 100     gui_syncsplash(0, ID2P(LANG_WAIT));
 101
 102     /* about to create a new current playlist...
 103        allow user to cancel the operation */
 104     if (global_settings.warnon_erase_dynplaylist &&
 105         playlist_modified(NULL))
 106     {
 107         char *lines[] = {ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 108         struct text_message message = {lines, 1};
 109
 110         if (gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 111             return false;
 112     }
 113
 114     if (playlist_create(dirname, filename) != -1)
 115     {
 116         if (global_settings.playlist_shuffle)
 117         {
 118             playlist_shuffle(current_tick, -1);
 119         }
 120
 121         playlist_start(0, 0);
 122         return true;
 123     }
 124
 125     return false;
 126 }
 127
 128 /* walk a directory and check all dircache entries if a .talk file exists */
 129 static void check_file_thumbnails(struct tree_context* c)
 130 {
 131     int i;
 132     struct dirent *entry;
 133     struct entry* dircache = c->dircache;
 134     DIR *dir;
 135
 136     dir = opendir(c->currdir);
 137     if(!dir)
 138         return;
 139     /* mark all files as non talking, except the .talk ones */
 140     for (i=0; i < c->filesindir; i++)
 141     {
 142         if (dircache[i].attr & ATTR_DIRECTORY)
 143             continue; /* we're not touching directories */
 144
 145         if (strcasecmp(file_thumbnail_ext,
 146             &dircache[i].name[strlen(dircache[i].name)
 147                               - strlen(file_thumbnail_ext)]))
 148         {   /* no .talk file */
 149             dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 150         }
 151         else
 152         {   /* .talk file, we later let them speak themselves */
 153             dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 154         }
 155     }
 156
 157     while((entry = readdir(dir)) != 0) /* walk directory */
 158     {
 159         int ext_pos;
 160
 161         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 162         if (ext_pos <= 0 /* too short to carry ".talk" */
 163             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 164             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 165         {   /* or doesn't end with ".talk", no candidate */
 166             continue;
 167         }
 168
 169         /* terminate the (disposable) name in dir buffer,
 170            this truncates off the ".talk" without needing an extra buffer */
 171         entry->d_name[ext_pos] = '\0';
 172
 173         /* search corresponding file in dir cache */
 174         for (i=0; i < c->filesindir; i++)
 175         {
 176             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 177             {   /* match */
 178                 dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 179                 break; /* exit search loop, because we found it */
 180             }
 181         }
 182     }
 183     closedir(dir);
 184 }
 185
 186 /* support function for qsort() */
 187 static int compare(const void* p1, const void* p2)
 188 {
 189     struct entry* e1 = (struct entry*)p1;
 190     struct entry* e2 = (struct entry*)p2;
 191     int criteria;
 192
 193     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 194     {   /* two directories */
 195         criteria = global_settings.sort_dir;
 196
 197 #ifdef HAVE_MULTIVOLUME
 198         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 199         {   /* a volume identifier is involved */
 200             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 201                 criteria = 0; /* two volumes: sort alphabetically */
 202             else /* only one is a volume: volume first */
 203                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 204         }
 205 #endif
 206
 207     }
 208     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 209     {   /* two files */
 210         criteria = global_settings.sort_file;
 211     }
 212     else /* dir and file, dir goes first */
 213         return ( e2->attr & ATTR_DIRECTORY ) - ( e1->attr & ATTR_DIRECTORY );
 214
 215     switch(criteria)
 216     {
 217         case 3: /* sort type */
 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;
 229             /* else fall through to alphabetical sorting */
 230         }
 231         case 0: /* sort alphabetically asc */
 232             if (global_settings.sort_case)
 233                 return strncmp(e1->name, e2->name, MAX_PATH);
 234             else
 235                 return strncasecmp(e1->name, e2->name, MAX_PATH);
 236
 237         case 4: /* sort alphabetically desc */
 238             if (global_settings.sort_case)
 239                 return strncmp(e2->name, e1->name, MAX_PATH);
 240             else
 241                 return strncasecmp(e2->name, e1->name, MAX_PATH);
 242
 243         case 1: /* sort date */
 244             return e1->time_write - e2->time_write;
 245
 246         case 2: /* sort date, newest first */
 247             return e2->time_write - e1->time_write;
 248     }
 249     return 0; /* never reached */
 250 }
 251
 252 /* load and sort directory into dircache. returns NULL on failure. */
 253 int ft_load(struct tree_context* c, const char* tempdir)
 254 {
 255     int i;
 256     int name_buffer_used = 0;
 257     DIR *dir;
 258
 259     if (tempdir)
 260         dir = opendir(tempdir);
 261     else
 262         dir = opendir(c->currdir);
 263     if(!dir)
 264         return -1; /* not a directory */
 265
 266     c->dirsindir = 0;
 267     c->dirfull = false;
 268
 269     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 270         int len;
 271         struct dirent *entry = readdir(dir);
 272         struct entry* dptr =
 273             (struct entry*)(c->dircache + i * sizeof(struct entry));
 274         if (!entry)
 275             break;
 276
 277         len = strlen((char *)entry->d_name);
 278
 279         /* skip directories . and .. */
 280         if ((entry->attribute & ATTR_DIRECTORY) &&
 281             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 282              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 283             i--;
 284             continue;
 285         }
 286
 287         /* Skip FAT volume ID */
 288         if (entry->attribute & ATTR_VOLUME_ID) {
 289             i--;
 290             continue;
 291         }
 292
 293         /* filter out dotfiles and hidden files */
 294         if (*c->dirfilter != SHOW_ALL &&
 295             ((entry->d_name[0]=='.') ||
 296             (entry->attribute & ATTR_HIDDEN))) {
 297             i--;
 298             continue;
 299         }
 300
 301         dptr->attr = entry->attribute;
 302
 303         /* check for known file types */
 304         if ( !(dptr->attr & ATTR_DIRECTORY) )
 305             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 306
 307         /* filter out non-visible files */
 308         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 309             (*c->dirfilter == SHOW_PLAYLIST &&
 310              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 311             ((*c->dirfilter == SHOW_MUSIC &&
 312              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 313              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 314             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 315             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 316 #ifdef HAVE_REMOTE_LCD
 317             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 318 #endif
 319 #if CONFIG_TUNER
 320             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 321 #endif
 322             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 323             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 324             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 325             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 326             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK))
 327         {
 328             i--;
 329             continue;
 330         }
 331
 332         if (len > c->name_buffer_size - name_buffer_used - 1) {
 333             /* Tell the world that we ran out of buffer space */
 334             c->dirfull = true;
 335             break;
 336         }
 337         dptr->name = &c->name_buffer[name_buffer_used];
 338         dptr->time_write =
 339             (long)entry->wrtdate<<16 |
 340             (long)entry->wrttime; /* in one # */
 341         strcpy(dptr->name, (char *)entry->d_name);
 342         name_buffer_used += len + 1;
 343
 344         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 345             c->dirsindir++;
 346     }
 347     c->filesindir = i;
 348     c->dirlength = i;
 349     closedir(dir);
 350
 351     qsort(c->dircache,i,sizeof(struct entry),compare);
 352
 353     /* If thumbnail talking is enabled, make an extra run to mark files with
 354        associated thumbnails, so we don't do unsuccessful spinups later. */
 355     if (global_settings.talk_file_clip)
 356         check_file_thumbnails(c); /* map .talk to ours */
 357
 358     return 0;
 359 }
 360
 361 int ft_enter(struct tree_context* c)
 362 {
 363     int rc = 0;
 364     char buf[MAX_PATH];
 365     struct entry *dircache = c->dircache;
 366     struct entry* file = &dircache[c->selected_item];
 367     bool reload_dir = false;
 368     bool start_wps = false;
 369     bool exit_func = false;
 370
 371     if (c->currdir[1])
 372         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 373     else
 374         snprintf(buf,sizeof(buf),"/%s",file->name);
 375
 376     if (file->attr & ATTR_DIRECTORY) {
 377         memcpy(c->currdir, buf, sizeof(c->currdir));
 378         if ( c->dirlevel < MAX_DIR_LEVELS )
 379             c->selected_item_history[c->dirlevel] = c->selected_item;
 380         c->dirlevel++;
 381         c->selected_item=0;
 382     }
 383     else {
 384         int seed = current_tick;
 385         bool play = false;
 386         int start_index=0;
 387
 388         switch ( file->attr & FILE_ATTR_MASK ) {
 389             case FILE_ATTR_M3U:
 390                 play = ft_play_playlist(buf, c->currdir, file->name);
 391
 392                 if (play)
 393                 {
 394                     start_index = 0;
 395                 }
 396
 397                 break;
 398
 399             case FILE_ATTR_AUDIO:
 400                 if (bookmark_autoload(c->currdir))
 401                     break;
 402
 403                 gui_syncsplash(0, ID2P(LANG_WAIT));
 404
 405                 /* about to create a new current playlist...
 406                    allow user to cancel the operation */
 407                 if (global_settings.warnon_erase_dynplaylist &&
 408                     !global_settings.party_mode &&
 409                     playlist_modified(NULL))
 410                 {
 411                     char *lines[]={ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 412                     struct text_message message={lines, 1};
 413
 414                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 415                         break;
 416                 }
 417
 418                 if (global_settings.party_mode)
 419                 {
 420                     playlist_insert_track(NULL, buf,
 421                                           PLAYLIST_INSERT_LAST, true, true);
 422                     gui_syncsplash(HZ, ID2P(LANG_QUEUE_LAST));
 423                 }
 424                 else if (playlist_create(c->currdir, NULL) != -1)
 425                 {
 426                     start_index = ft_build_playlist(c, c->selected_item);
 427                     if (global_settings.playlist_shuffle)
 428                     {
 429                         start_index = playlist_shuffle(seed, start_index);
 430
 431                         /* when shuffling dir.: play all files
 432                            even if the file selected by user is
 433                            not the first one */
 434                         if (!global_settings.play_selected)
 435                             start_index = 0;
 436                     }
 437
 438                     playlist_start(start_index, 0);
 439                     play = true;
 440                 }
 441                 break;
 442
 443 #if CONFIG_TUNER
 444                 /* fmr preset file */
 445             case FILE_ATTR_FMR:
 446
 447                 gui_syncsplash(0, ID2P(LANG_WAIT));
 448
 449                 /* Preset inside the default folder. */
 450                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 451                 {
 452                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 453                     radio_load_presets(global_settings.fmr_file);
 454                     if(!in_radio_screen())
 455                         radio_screen();
 456                 }
 457                 /*
 458                  * Preset outside default folder, we can choose such only
 459                  * if we are out of the radio screen, so the check for the
 460                  * radio status isn't neccessary
 461                  */
 462                 else
 463                 {
 464                     radio_load_presets(buf);
 465                     radio_screen();
 466                 }
 467
 468                 break;
 469 #endif
 470
 471
 472                 /* wps config file */
 473             case FILE_ATTR_WPS:
 474                 gui_syncsplash(0, ID2P(LANG_WAIT));
 475 #if LCD_DEPTH > 1
 476                 unload_wps_backdrop();
 477 #endif
 478                 wps_data_load(gui_wps[0].data, &screens[0], buf, true);
 479                 set_file(buf, (char *)global_settings.wps_file,
 480                          MAX_FILENAME);
 481                 break;
 482
 483 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 484                 /* remote-wps config file */
 485             case FILE_ATTR_RWPS:
 486                 gui_syncsplash(0, ID2P(LANG_WAIT));
 487 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 488                 unload_remote_wps_backdrop();
 489 #endif
 490                 wps_data_load(gui_wps[1].data, &screens[1], buf, true);
 491                 set_file(buf, (char *)global_settings.rwps_file,
 492                          MAX_FILENAME);
 493                 break;
 494 #endif
 495
 496             case FILE_ATTR_CFG:
 497                 gui_syncsplash(0, ID2P(LANG_WAIT));
 498                 if (!settings_load_config(buf,true))
 499                     break;
 500                 gui_syncsplash(HZ, ID2P(LANG_SETTINGS_LOADED));
 501                 break;
 502
 503             case FILE_ATTR_BMARK:
 504                 gui_syncsplash(0, ID2P(LANG_WAIT));
 505                 bookmark_load(buf, false);
 506                 reload_dir = true;
 507                 break;
 508
 509             case FILE_ATTR_LNG:
 510                 gui_syncsplash(0, ID2P(LANG_WAIT));
 511                 if(!lang_load(buf)) {
 512                     set_file(buf, (char *)global_settings.lang_file,
 513                              MAX_FILENAME);
 514                     talk_init(); /* use voice of same language */
 515                     gui_syncsplash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 516                 }
 517                 break;
 518
 519 #ifdef HAVE_LCD_BITMAP
 520             case FILE_ATTR_FONT:
 521                 gui_syncsplash(0, ID2P(LANG_WAIT));
 522                 font_load(buf);
 523                 set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
 524                 break;
 525
 526             case FILE_ATTR_KBD:
 527                 gui_syncsplash(0, ID2P(LANG_WAIT));
 528                 if (!load_kbd(buf))
 529                     gui_syncsplash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 530                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 531                 break;
 532 #endif
 533
 534 #ifndef SIMULATOR
 535                 /* firmware file */
 536             case FILE_ATTR_MOD:
 537                 gui_syncsplash(0, ID2P(LANG_WAIT));
 538                 rolo_load(buf);
 539                 break;
 540 #endif
 541
 542                 /* plugin file */
 543             case FILE_ATTR_ROCK:
 544                 if (global_settings.party_mode) {
 545                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 546                     break;
 547                 }
 548
 549                 gui_syncsplash(0, ID2P(LANG_WAIT));
 550
 551                 if (plugin_load(buf,NULL) == PLUGIN_USB_CONNECTED)
 552                 {
 553                     if(*c->dirfilter > NUM_FILTER_MODES)
 554                         /* leave sub-browsers after usb, doing
 555                            otherwise might be confusing to the user */
 556                         exit_func = true;
 557                     else
 558                         reload_dir = true;
 559                 }
 560                 break;
 561
 562             case FILE_ATTR_CUE:
 563                 display_cuesheet_content(buf);
 564                 break;
 565
 566             default:
 567             {
 568                 char* plugin;
 569
 570                 if (global_settings.party_mode) {
 571                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 572                     break;
 573                 }
 574
 575                 plugin = filetype_get_plugin(file);
 576                 if (plugin)
 577                 {
 578                     if (plugin_load(plugin,buf) == PLUGIN_USB_CONNECTED)
 579                         reload_dir = true;
 580                 }
 581                 break;
 582             }
 583         }
 584
 585         if ( play ) {
 586             /* the resume_index must always be the index in the
 587                shuffled list in case shuffle is enabled */
 588             global_status.resume_index = start_index;
 589             global_status.resume_offset = 0;
 590             status_save();
 591
 592             start_wps = true;
 593         }
 594         else {
 595             if (*c->dirfilter > NUM_FILTER_MODES &&
 596                 *c->dirfilter != SHOW_FONT &&
 597                 *c->dirfilter != SHOW_PLUGINS)
 598             {
 599                 exit_func = true;
 600             }
 601         }
 602     }
 603
 604     if (reload_dir)
 605         rc = 1;
 606     if (start_wps)
 607         rc = 2;
 608     if (exit_func)
 609         rc = 3;
 610
 611     return rc;
 612 }
 613
 614 int ft_exit(struct tree_context* c)
 615 {
 616     extern char lastfile[]; /* from tree.c */
 617     char buf[MAX_PATH];
 618     int rc = 0;
 619     bool exit_func = false;
 620
 621     int i = strlen(c->currdir);
 622     if (i>1) {
 623         while (c->currdir[i-1]!='/')
 624             i--;
 625         strcpy(buf,&c->currdir[i]);
 626         if (i==1)
 627             c->currdir[i]=0;
 628         else
 629             c->currdir[i-1]=0;
 630
 631         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 632             exit_func = true;
 633
 634         c->dirlevel--;
 635         if ( c->dirlevel < MAX_DIR_LEVELS )
 636             c->selected_item=c->selected_item_history[c->dirlevel];
 637         else
 638             c->selected_item=0;
 639
 640         /* if undefined position */
 641         if (c->selected_item == -1)
 642             strcpy(lastfile, buf);
 643     }
 644     else
 645     {
 646         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 647             exit_func = true;
 648     }
 649
 650     if (exit_func)
 651         rc = 3;
 652
 653     return rc;
 654 }