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