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 #if (LCD_DEPTH > 1) || (defined(HAVE_LCD_REMOTE) && (LCD_REMOTE_DEPTH > 1))
  53 #include "backdrop.h"
  54 #endif
  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             DEBUGF("Adding %s\n", dircache[i].name);
  68             if (playlist_add(dircache[i].name) < 0)
  69                 break;
  70         }
  71         else
  72         {
  73             /* Adjust the start index when se skip non-MP3 entries */
  74             if(i < start)
  75                 start_index--;
  76         }
  77     }
  78
  79     return start_index;
  80 }
  81
  82 /* Start playback of a playlist, checking for bookmark autoload, modified
  83  * playlists, etc., as required. Returns false if playback wasn't started,
  84  * or started via bookmark autoload, true otherwise.
  85  *
  86  * Pointers to both the full pathname and the separated parts needed to
  87  * avoid allocating yet another path buffer on the stack (and save some
  88  * code; the caller typically needs to create the full pathname anyway)...
  89  */
  90 bool ft_play_playlist(char* pathname, char* dirname, char* filename)
  91 {
  92     if (global_settings.party_mode)
  93     {
  94         gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
  95         return false;
  96     }
  97
  98     if (bookmark_autoload(pathname))
  99     {
 100         return false;
 101     }
 102
 103     gui_syncsplash(0, ID2P(LANG_WAIT));
 104
 105     /* about to create a new current playlist...
 106        allow user to cancel the operation */
 107     if (global_settings.warnon_erase_dynplaylist &&
 108         playlist_modified(NULL))
 109     {
 110         char *lines[] = {ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 111         struct text_message message = {lines, 1};
 112
 113         if (gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 114             return false;
 115     }
 116
 117     if (playlist_create(dirname, filename) != -1)
 118     {
 119         if (global_settings.playlist_shuffle)
 120         {
 121             playlist_shuffle(current_tick, -1);
 122         }
 123
 124         playlist_start(0, 0);
 125         return true;
 126     }
 127
 128     return false;
 129 }
 130
 131 /* walk a directory and check all dircache entries if a .talk file exists */
 132 static void check_file_thumbnails(struct tree_context* c)
 133 {
 134     int i;
 135     struct dirent *entry;
 136     struct entry* dircache = c->dircache;
 137     DIR *dir;
 138
 139     dir = opendir(c->currdir);
 140     if(!dir)
 141         return;
 142     /* mark all files as non talking, except the .talk ones */
 143     for (i=0; i < c->filesindir; i++)
 144     {
 145         if (dircache[i].attr & ATTR_DIRECTORY)
 146             continue; /* we're not touching directories */
 147
 148         if (strcasecmp(file_thumbnail_ext,
 149             &dircache[i].name[strlen(dircache[i].name)
 150                               - strlen(file_thumbnail_ext)]))
 151         {   /* no .talk file */
 152             dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 153         }
 154         else
 155         {   /* .talk file, we later let them speak themselves */
 156             dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 157         }
 158     }
 159
 160     while((entry = readdir(dir)) != 0) /* walk directory */
 161     {
 162         int ext_pos;
 163
 164         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 165         if (ext_pos <= 0 /* too short to carry ".talk" */
 166             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 167             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 168         {   /* or doesn't end with ".talk", no candidate */
 169             continue;
 170         }
 171
 172         /* terminate the (disposable) name in dir buffer,
 173            this truncates off the ".talk" without needing an extra buffer */
 174         entry->d_name[ext_pos] = '\0';
 175
 176         /* search corresponding file in dir cache */
 177         for (i=0; i < c->filesindir; i++)
 178         {
 179             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 180             {   /* match */
 181                 dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 182                 break; /* exit search loop, because we found it */
 183             }
 184         }
 185     }
 186     closedir(dir);
 187 }
 188
 189 /* support function for qsort() */
 190 static int compare(const void* p1, const void* p2)
 191 {
 192     struct entry* e1 = (struct entry*)p1;
 193     struct entry* e2 = (struct entry*)p2;
 194     int criteria;
 195
 196     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 197     {   /* two directories */
 198         criteria = global_settings.sort_dir;
 199
 200 #ifdef HAVE_MULTIVOLUME
 201         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 202         {   /* a volume identifier is involved */
 203             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 204                 criteria = 0; /* two volumes: sort alphabetically */
 205             else /* only one is a volume: volume first */
 206                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 207         }
 208 #endif
 209
 210     }
 211     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 212     {   /* two files */
 213         criteria = global_settings.sort_file;
 214     }
 215     else /* dir and file, dir goes first */
 216         return ( e2->attr & ATTR_DIRECTORY ) - ( e1->attr & ATTR_DIRECTORY );
 217
 218     switch(criteria)
 219     {
 220         case 3: /* sort type */
 221         {
 222             int t1 = e1->attr & FILE_ATTR_MASK;
 223             int t2 = e2->attr & FILE_ATTR_MASK;
 224
 225             if (!t1) /* unknown type */
 226                 t1 = INT_MAX; /* gets a high number, to sort after known */
 227             if (!t2) /* unknown type */
 228                 t2 = INT_MAX; /* gets a high number, to sort after known */
 229
 230             if (t1 - t2) /* if different */
 231                 return t1 - t2;
 232             /* else fall through to alphabetical sorting */
 233         }
 234         case 0: /* sort alphabetically asc */
 235             if (global_settings.sort_case)
 236                 return strncmp(e1->name, e2->name, MAX_PATH);
 237             else
 238                 return strncasecmp(e1->name, e2->name, MAX_PATH);
 239
 240         case 4: /* sort alphabetically desc */
 241             if (global_settings.sort_case)
 242                 return strncmp(e2->name, e1->name, MAX_PATH);
 243             else
 244                 return strncasecmp(e2->name, e1->name, MAX_PATH);
 245
 246         case 1: /* sort date */
 247             return e1->time_write - e2->time_write;
 248
 249         case 2: /* sort date, newest first */
 250             return e2->time_write - e1->time_write;
 251     }
 252     return 0; /* never reached */
 253 }
 254
 255 /* load and sort directory into dircache. returns NULL on failure. */
 256 int ft_load(struct tree_context* c, const char* tempdir)
 257 {
 258     int i;
 259     int name_buffer_used = 0;
 260     DIR *dir;
 261
 262     if (tempdir)
 263         dir = opendir(tempdir);
 264     else
 265         dir = opendir(c->currdir);
 266     if(!dir)
 267         return -1; /* not a directory */
 268
 269     c->dirsindir = 0;
 270     c->dirfull = false;
 271
 272     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 273         int len;
 274         struct dirent *entry = readdir(dir);
 275         struct entry* dptr =
 276             (struct entry*)(c->dircache + i * sizeof(struct entry));
 277         if (!entry)
 278             break;
 279
 280         len = strlen((char *)entry->d_name);
 281
 282         /* skip directories . and .. */
 283         if ((entry->attribute & ATTR_DIRECTORY) &&
 284             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 285              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 286             i--;
 287             continue;
 288         }
 289
 290         /* Skip FAT volume ID */
 291         if (entry->attribute & ATTR_VOLUME_ID) {
 292             i--;
 293             continue;
 294         }
 295
 296         /* filter out dotfiles and hidden files */
 297         if (*c->dirfilter != SHOW_ALL &&
 298             ((entry->d_name[0]=='.') ||
 299             (entry->attribute & ATTR_HIDDEN))) {
 300             i--;
 301             continue;
 302         }
 303
 304         dptr->attr = entry->attribute;
 305
 306         /* check for known file types */
 307         if ( !(dptr->attr & ATTR_DIRECTORY) )
 308             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 309
 310         /* filter out non-visible files */
 311         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 312             (*c->dirfilter == SHOW_PLAYLIST &&
 313              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 314             ((*c->dirfilter == SHOW_MUSIC &&
 315              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 316              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 317             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 318             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 319 #ifdef HAVE_REMOTE_LCD
 320             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 321 #endif
 322 #if CONFIG_TUNER
 323             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 324 #endif
 325             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 326             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 327             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 328             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 329             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK))
 330         {
 331             i--;
 332             continue;
 333         }
 334
 335         if (len > c->name_buffer_size - name_buffer_used - 1) {
 336             /* Tell the world that we ran out of buffer space */
 337             c->dirfull = true;
 338             break;
 339         }
 340         dptr->name = &c->name_buffer[name_buffer_used];
 341         dptr->time_write =
 342             (long)entry->wrtdate<<16 |
 343             (long)entry->wrttime; /* in one # */
 344         strcpy(dptr->name, (char *)entry->d_name);
 345         name_buffer_used += len + 1;
 346
 347         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 348             c->dirsindir++;
 349     }
 350     c->filesindir = i;
 351     c->dirlength = i;
 352     closedir(dir);
 353
 354     qsort(c->dircache,i,sizeof(struct entry),compare);
 355
 356     /* If thumbnail talking is enabled, make an extra run to mark files with
 357        associated thumbnails, so we don't do unsuccessful spinups later. */
 358     if (global_settings.talk_file_clip)
 359         check_file_thumbnails(c); /* map .talk to ours */
 360
 361     return 0;
 362 }
 363
 364 int ft_enter(struct tree_context* c)
 365 {
 366     int rc = 0;
 367     char buf[MAX_PATH];
 368     struct entry *dircache = c->dircache;
 369     struct entry* file = &dircache[c->selected_item];
 370     bool reload_dir = false;
 371     bool start_wps = false;
 372     bool exit_func = false;
 373
 374     if (c->currdir[1])
 375         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 376     else
 377         snprintf(buf,sizeof(buf),"/%s",file->name);
 378
 379     if (file->attr & ATTR_DIRECTORY) {
 380         memcpy(c->currdir, buf, sizeof(c->currdir));
 381         if ( c->dirlevel < MAX_DIR_LEVELS )
 382             c->selected_item_history[c->dirlevel] = c->selected_item;
 383         c->dirlevel++;
 384         c->selected_item=0;
 385     }
 386     else {
 387         int seed = current_tick;
 388         bool play = false;
 389         int start_index=0;
 390
 391         switch ( file->attr & FILE_ATTR_MASK ) {
 392             case FILE_ATTR_M3U:
 393                 play = ft_play_playlist(buf, c->currdir, file->name);
 394
 395                 if (play)
 396                 {
 397                     start_index = 0;
 398                 }
 399
 400                 break;
 401
 402             case FILE_ATTR_AUDIO:
 403                 if (bookmark_autoload(c->currdir))
 404                     break;
 405
 406                 gui_syncsplash(0, ID2P(LANG_WAIT));
 407
 408                 /* about to create a new current playlist...
 409                    allow user to cancel the operation */
 410                 if (global_settings.warnon_erase_dynplaylist &&
 411                     !global_settings.party_mode &&
 412                     playlist_modified(NULL))
 413                 {
 414                     char *lines[]={ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 415                     struct text_message message={lines, 1};
 416
 417                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 418                         break;
 419                 }
 420
 421                 if (global_settings.party_mode)
 422                 {
 423                     playlist_insert_track(NULL, buf,
 424                                           PLAYLIST_INSERT_LAST, true, true);
 425                     gui_syncsplash(HZ, ID2P(LANG_QUEUE_LAST));
 426                 }
 427                 else if (playlist_create(c->currdir, NULL) != -1)
 428                 {
 429                     start_index = ft_build_playlist(c, c->selected_item);
 430                     if (global_settings.playlist_shuffle)
 431                     {
 432                         start_index = playlist_shuffle(seed, start_index);
 433
 434                         /* when shuffling dir.: play all files
 435                            even if the file selected by user is
 436                            not the first one */
 437                         if (!global_settings.play_selected)
 438                             start_index = 0;
 439                     }
 440
 441                     playlist_start(start_index, 0);
 442                     play = true;
 443                 }
 444                 break;
 445
 446 #if CONFIG_TUNER
 447                 /* fmr preset file */
 448             case FILE_ATTR_FMR:
 449
 450                 gui_syncsplash(0, ID2P(LANG_WAIT));
 451
 452                 /* Preset inside the default folder. */
 453                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 454                 {
 455                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 456                     radio_load_presets(global_settings.fmr_file);
 457                     if(!in_radio_screen())
 458                         radio_screen();
 459                 }
 460                 /*
 461                  * Preset outside default folder, we can choose such only
 462                  * if we are out of the radio screen, so the check for the
 463                  * radio status isn't neccessary
 464                  */
 465                 else
 466                 {
 467                     radio_load_presets(buf);
 468                     radio_screen();
 469                 }
 470
 471                 break;
 472 #endif
 473
 474
 475                 /* wps config file */
 476             case FILE_ATTR_WPS:
 477                 gui_syncsplash(0, ID2P(LANG_WAIT));
 478 #if LCD_DEPTH > 1
 479                 unload_wps_backdrop();
 480 #endif
 481                 wps_data_load(gui_wps[0].data, buf, true);
 482                 set_file(buf, (char *)global_settings.wps_file,
 483                          MAX_FILENAME);
 484                 break;
 485
 486 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 487                 /* remote-wps config file */
 488             case FILE_ATTR_RWPS:
 489                 gui_syncsplash(0, ID2P(LANG_WAIT));
 490 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 491                 unload_remote_wps_backdrop();
 492 #endif
 493                 wps_data_load(gui_wps[1].data, buf, true);
 494                 set_file(buf, (char *)global_settings.rwps_file,
 495                          MAX_FILENAME);
 496                 break;
 497 #endif
 498
 499             case FILE_ATTR_CFG:
 500                 gui_syncsplash(0, ID2P(LANG_WAIT));
 501                 if (!settings_load_config(buf,true))
 502                     break;
 503                 gui_syncsplash(HZ, ID2P(LANG_SETTINGS_LOADED));
 504                 break;
 505
 506             case FILE_ATTR_BMARK:
 507                 gui_syncsplash(0, ID2P(LANG_WAIT));
 508                 bookmark_load(buf, false);
 509                 reload_dir = true;
 510                 break;
 511
 512             case FILE_ATTR_LNG:
 513                 gui_syncsplash(0, ID2P(LANG_WAIT));
 514                 if(!lang_load(buf)) {
 515                     set_file(buf, (char *)global_settings.lang_file,
 516                              MAX_FILENAME);
 517                     talk_init(); /* use voice of same language */
 518                     gui_syncsplash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 519                 }
 520                 break;
 521
 522 #ifdef HAVE_LCD_BITMAP
 523             case FILE_ATTR_FONT:
 524                 gui_syncsplash(0, ID2P(LANG_WAIT));
 525                 font_load(buf);
 526                 set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
 527                 break;
 528
 529             case FILE_ATTR_KBD:
 530                 gui_syncsplash(0, ID2P(LANG_WAIT));
 531                 if (!load_kbd(buf))
 532                     gui_syncsplash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 533                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 534                 break;
 535 #endif
 536
 537 #ifndef SIMULATOR
 538                 /* firmware file */
 539             case FILE_ATTR_MOD:
 540                 gui_syncsplash(0, ID2P(LANG_WAIT));
 541                 rolo_load(buf);
 542                 break;
 543 #endif
 544
 545                 /* plugin file */
 546             case FILE_ATTR_ROCK:
 547                 if (global_settings.party_mode) {
 548                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 549                     break;
 550                 }
 551
 552                 gui_syncsplash(0, ID2P(LANG_WAIT));
 553
 554                 if (plugin_load(buf,NULL) == PLUGIN_USB_CONNECTED)
 555                 {
 556                     if(*c->dirfilter > NUM_FILTER_MODES)
 557                         /* leave sub-browsers after usb, doing
 558                            otherwise might be confusing to the user */
 559                         exit_func = true;
 560                     else
 561                         reload_dir = true;
 562                 }
 563                 break;
 564
 565             case FILE_ATTR_CUE:
 566                 display_cuesheet_content(buf);
 567                 break;
 568
 569             default:
 570             {
 571                 char* plugin;
 572
 573                 if (global_settings.party_mode) {
 574                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 575                     break;
 576                 }
 577
 578                 plugin = filetype_get_plugin(file);
 579                 if (plugin)
 580                 {
 581                     if (plugin_load(plugin,buf) == PLUGIN_USB_CONNECTED)
 582                         reload_dir = true;
 583                 }
 584                 break;
 585             }
 586         }
 587
 588         if ( play ) {
 589             /* the resume_index must always be the index in the
 590                shuffled list in case shuffle is enabled */
 591             global_status.resume_index = start_index;
 592             global_status.resume_offset = 0;
 593             status_save();
 594
 595             start_wps = true;
 596         }
 597         else {
 598             if (*c->dirfilter > NUM_FILTER_MODES &&
 599                 *c->dirfilter != SHOW_FONT &&
 600                 *c->dirfilter != SHOW_PLUGINS)
 601             {
 602                 exit_func = true;
 603             }
 604         }
 605     }
 606
 607     if (reload_dir)
 608         rc = 1;
 609     if (start_wps)
 610         rc = 2;
 611     if (exit_func)
 612         rc = 3;
 613
 614     return rc;
 615 }
 616
 617 int ft_exit(struct tree_context* c)
 618 {
 619     extern char lastfile[]; /* from tree.c */
 620     char buf[MAX_PATH];
 621     int rc = 0;
 622     bool exit_func = false;
 623
 624     int i = strlen(c->currdir);
 625     if (i>1) {
 626         while (c->currdir[i-1]!='/')
 627             i--;
 628         strcpy(buf,&c->currdir[i]);
 629         if (i==1)
 630             c->currdir[i]=0;
 631         else
 632             c->currdir[i-1]=0;
 633
 634         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 635             exit_func = true;
 636
 637         c->dirlevel--;
 638         if ( c->dirlevel < MAX_DIR_LEVELS )
 639             c->selected_item=c->selected_item_history[c->dirlevel];
 640         else
 641             c->selected_item=0;
 642
 643         /* if undefined position */
 644         if (c->selected_item == -1)
 645             strcpy(lastfile, buf);
 646     }
 647     else
 648     {
 649         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 650             exit_func = true;
 651     }
 652
 653     if (exit_func)
 654         rc = 3;
 655
 656     return rc;
 657 }