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