apps/tree.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Daniel 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 <stdio.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <stdbool.h>
  23
  24 #include "applimits.h"
  25 #include "dir.h"
  26 #include "file.h"
  27 #include "lcd.h"
  28 #include "font.h"
  29 #include "backlight.h"
  30 #include "button.h"
  31 #include "kernel.h"
  32 #include "usb.h"
  33 #include "tree.h"
  34 #include "sprintf.h"
  35 #include "audio.h"
  36 #include "playlist.h"
  37 #include "menu.h"
  38 #include "gwps.h"
  39 #include "settings.h"
  40 #include "status.h"
  41 #include "debug.h"
  42 #include "ata.h"
  43 #include "rolo.h"
  44 #include "icons.h"
  45 #include "lang.h"
  46 #include "language.h"
  47 #include "screens.h"
  48 #include "keyboard.h"
  49 #include "bookmark.h"
  50 #include "onplay.h"
  51 #include "buffer.h"
  52 #include "plugin.h"
  53 #include "power.h"
  54 #include "action.h"
  55 #include "talk.h"
  56 #include "filetypes.h"
  57 #include "misc.h"
  58 #include "filetree.h"
  59 #include "tagtree.h"
  60 #ifdef HAVE_RECORDING
  61 #include "recorder/recording.h"
  62 #endif
  63 #include "rtc.h"
  64 #include "dircache.h"
  65 #ifdef HAVE_TAGCACHE
  66 #include "tagcache.h"
  67 #endif
  68 #include "yesno.h"
  69 #include "gwps-common.h"
  70 #include "eeprom_settings.h"
  71 #include "scrobbler.h"
  72
  73 /* gui api */
  74 #include "list.h"
  75 #include "statusbar.h"
  76 #include "splash.h"
  77 #include "buttonbar.h"
  78 #include "textarea.h"
  79 #include "action.h"
  80
  81 #include "root_menu.h"
  82 #include "backdrop.h"
  83
  84 static const struct filetype *filetypes;
  85 static int filetypes_count;
  86
  87 struct gui_synclist tree_lists;
  88
  89 /* I put it here because other files doesn't use it yet,
  90  * but should be elsewhere since it will be used mostly everywhere */
  91 #ifdef HAS_BUTTONBAR
  92 struct gui_buttonbar tree_buttonbar;
  93 #endif
  94 static struct tree_context tc;
  95
  96 bool boot_changed = false;
  97
  98 char lastfile[MAX_PATH];
  99 static char lastdir[MAX_PATH];
 100 #ifdef HAVE_TAGCACHE
 101 static int lasttable, lastextra, lastfirstpos;
 102 #endif
 103 static int max_files = 0;
 104
 105 static bool reload_dir = false;
 106
 107 static bool start_wps = false;
 108 static int curr_context = false;/* id3db or tree*/
 109
 110 static int dirbrowse(void);
 111 static int ft_play_dirname(char* name);
 112 static void ft_play_filename(char *dir, char *file);
 113 static void say_filetype(int attr);
 114
 115 static char * tree_get_filename(int selected_item, void *data,
 116                                 char *buffer, size_t buffer_len)
 117 {
 118     struct tree_context * local_tc=(struct tree_context *)data;
 119     char *name;
 120     int attr=0;
 121     bool stripit = false;
 122 #ifdef HAVE_TAGCACHE
 123     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 124
 125     if (id3db)
 126     {
 127         return tagtree_get_entry(&tc, selected_item)->name;
 128     }
 129     else
 130 #endif
 131     {
 132         struct entry* dc = local_tc->dircache;
 133         struct entry* e = &dc[selected_item];
 134         name = e->name;
 135         attr = e->attr;
 136     }
 137
 138     if(!(attr & ATTR_DIRECTORY))
 139     {
 140         switch(global_settings.show_filename_ext)
 141         {
 142             case 0:
 143                 /* show file extension: off */
 144                 stripit = true;
 145                 break;
 146             case 1:
 147                 /* show file extension: on */
 148                 break;
 149             case 2:
 150                 /* show file extension: only unknown types */
 151                 stripit = filetype_supported(attr);
 152                 break;
 153             case 3:
 154             default:
 155                 /* show file extension: only when viewing all */
 156                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 157                           (*(local_tc->dirfilter) != SHOW_ALL);
 158                 break;
 159         }
 160     }
 161
 162     if(stripit)
 163     {
 164         return(strip_extension(buffer, buffer_len, name));
 165     }
 166     return(name);
 167 }
 168
 169 #ifdef HAVE_LCD_COLOR
 170 static int tree_get_filecolor(int selected_item, void * data)
 171 {
 172     if (*tc.dirfilter == SHOW_ID3DB)
 173         return -1;
 174     struct tree_context * local_tc=(struct tree_context *)data;
 175     struct entry* dc = local_tc->dircache;
 176     struct entry* e = &dc[selected_item];
 177     return filetype_get_color(e->name, e->attr);
 178 }
 179 #endif
 180
 181 static int tree_get_fileicon(int selected_item, void * data)
 182 {
 183     struct tree_context * local_tc=(struct tree_context *)data;
 184 #ifdef HAVE_TAGCACHE
 185     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 186     if (id3db) {
 187         return tagtree_get_icon(&tc);
 188     }
 189     else
 190 #endif
 191         {
 192         struct entry* dc = local_tc->dircache;
 193         struct entry* e = &dc[selected_item];
 194         return filetype_get_icon(e->attr);
 195     }
 196 }
 197
 198 static int tree_voice_cb(int selected_item, void * data)
 199 {
 200     struct tree_context * local_tc=(struct tree_context *)data;
 201     char *name;
 202     int attr=0;
 203 #ifdef HAVE_TAGCACHE
 204     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 205
 206     if (id3db)
 207     {
 208         attr = tagtree_get_attr(local_tc);
 209         name = tagtree_get_entry(local_tc, selected_item)->name;
 210     }
 211     else
 212 #endif
 213     {
 214         struct entry* dc = local_tc->dircache;
 215         struct entry* e = &dc[selected_item];
 216         name = e->name;
 217         attr = e->attr;
 218     }
 219     bool is_dir = (attr & ATTR_DIRECTORY);
 220     bool did_clip = false;
 221     /* First the .talk clip case */
 222     if(is_dir)
 223     {
 224         if(global_settings.talk_dir_clip)
 225         {
 226             DEBUGF("Playing directory thumbnail: %s", local_tc->currdir);
 227             did_clip = true;
 228             if(ft_play_dirname(name) <0)
 229                 /* failed, not existing */
 230                 did_clip = false;
 231         }
 232     } else { /* it's a file */
 233         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 234         {
 235             did_clip = true;
 236             DEBUGF("Playing file thumbnail: %s/%s%s\n",
 237                    local_tc->currdir, name, file_thumbnail_ext);
 238             ft_play_filename(local_tc->currdir, name);
 239         }
 240     }
 241     if(!did_clip)
 242     {
 243         /* say the number or spell if required or as a fallback */
 244         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 245         {
 246         case 1: /* as numbers */
 247             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 248             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 249                         true);
 250             if(global_settings.talk_filetype
 251                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 252                 say_filetype(attr);
 253             break;
 254         case 2: /* spelled */
 255             talk_shutup();
 256             if(global_settings.talk_filetype)
 257             {
 258                 if(is_dir)
 259                     talk_id(VOICE_DIR, true);
 260                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 261                     say_filetype(attr);
 262             }
 263             talk_spell(name, true);
 264             break;
 265         }
 266     }
 267     return 0;
 268 }
 269
 270 bool check_rockboxdir(void)
 271 {
 272     DIR *dir = opendir(ROCKBOX_DIR);
 273     if(!dir)
 274     {   /* No need to localise this message.
 275            If .rockbox is missing, it wouldn't work anyway */
 276         int i;
 277         FOR_NB_SCREENS(i)
 278             screens[i].clear_display();
 279         gui_syncsplash(HZ*2, "No .rockbox directory");
 280         FOR_NB_SCREENS(i)
 281             screens[i].clear_display();
 282         gui_syncsplash(HZ*2, "Installation incomplete");
 283         return false;
 284     }
 285     closedir(dir);
 286     return true;
 287 }
 288
 289 /* do this really late in the init sequence */
 290 void tree_gui_init(void)
 291 {
 292     gui_sync_wps_screen_init();
 293
 294     check_rockboxdir();
 295
 296     strcpy(tc.currdir, "/");
 297
 298 #ifdef HAVE_LCD_CHARCELLS
 299     int i;
 300     FOR_NB_SCREENS(i)
 301         screens[i].double_height(false);
 302 #endif
 303 #ifdef HAS_BUTTONBAR
 304     gui_buttonbar_init(&tree_buttonbar);
 305     /* since archos only have one screen, no need to create more than that */
 306     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 307 #endif
 308     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 309     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 310     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 311 #ifdef HAVE_LCD_COLOR
 312     gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor);
 313 #endif
 314 }
 315
 316
 317
 318 struct tree_context* tree_get_context(void)
 319 {
 320     return &tc;
 321 }
 322
 323 /*
 324  * Returns the position of a given file in the current directory
 325  * returns -1 if not found
 326  */
 327 static int tree_get_file_position(char * filename)
 328 {
 329     int i;
 330
 331     /* use lastfile to determine the selected item (default=0) */
 332     for (i=0; i < tc.filesindir; i++)
 333     {
 334         struct entry* dc = tc.dircache;
 335         struct entry* e = &dc[i];
 336         if (!strcasecmp(e->name, filename))
 337             return(i);
 338     }
 339     return(-1);/* no file can match, returns undefined */
 340 }
 341
 342 /*
 343  * Called when a new dir is loaded (for example when returning from other apps ...)
 344  * also completely redraws the tree
 345  */
 346 static int update_dir(void)
 347 {
 348     bool changed = false;
 349 #ifdef HAVE_TAGCACHE
 350     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 351     /* Checks for changes */
 352     if (id3db) {
 353         if (tc.currtable != lasttable ||
 354             tc.currextra != lastextra ||
 355             tc.firstpos  != lastfirstpos ||
 356             reload_dir)
 357         {
 358             if (tagtree_load(&tc) < 0)
 359                 return -1;
 360
 361             lasttable = tc.currtable;
 362             lastextra = tc.currextra;
 363             lastfirstpos = tc.firstpos;
 364             changed = true;
 365         }
 366     }
 367     else
 368 #endif
 369     {
 370         /* if the tc.currdir has been changed, reload it ...*/
 371         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 372         {
 373             if (ft_load(&tc, NULL) < 0)
 374                 return -1;
 375             strcpy(lastdir, tc.currdir);
 376             changed = true;
 377         }
 378     }
 379     /* if selected item is undefined */
 380     if (tc.selected_item == -1)
 381     {
 382         /* use lastfile to determine the selected item */
 383         tc.selected_item = tree_get_file_position(lastfile);
 384
 385         /* If the file doesn't exists, select the first one (default) */
 386         if(tc.selected_item < 0)
 387             tc.selected_item = 0;
 388         changed = true;
 389     }
 390     if (changed)
 391     {
 392         if(
 393 #ifdef HAVE_TAGCACHE
 394         !id3db &&
 395 #endif
 396         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 397         {
 398             gui_syncsplash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 399         }
 400     }
 401 #ifdef HAVE_TAGCACHE
 402     if (id3db)
 403     {
 404 #ifdef HAVE_LCD_BITMAP
 405         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 406             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 407         {
 408             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 409                 filetype_get_icon(ATTR_DIRECTORY));
 410         }
 411         else
 412         {
 413             /* Must clear the title as the list is reused */
 414             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 415         }
 416 #endif
 417     }
 418     else
 419 #endif
 420     {
 421 #ifdef HAVE_LCD_BITMAP
 422         if (global_settings.show_path_in_browser &&
 423             *(tc.dirfilter) == SHOW_PLUGINS)
 424         {
 425             char *title;
 426             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 427                 title = str(LANG_PLUGIN_GAMES);
 428             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 429                 title = str(LANG_PLUGIN_APPS);
 430             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 431                 title = str(LANG_PLUGIN_DEMOS);
 432             else title = str(LANG_PLUGINS);
 433             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 434         }
 435         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 436         {
 437             gui_synclist_set_title(&tree_lists, tc.currdir,
 438                 filetype_get_icon(ATTR_DIRECTORY));
 439         }
 440         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 441         {
 442             char *title = strrchr(tc.currdir, '/') + 1;
 443             if (*title == '\0')
 444             {
 445                 /* Display "Files" for the root dir */
 446                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 447                     filetype_get_icon(ATTR_DIRECTORY));
 448             }
 449             else
 450                 gui_synclist_set_title(&tree_lists, title,
 451                     filetype_get_icon(ATTR_DIRECTORY));
 452         }
 453         else
 454         {
 455             /* Must clear the title as the list is reused */
 456             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 457         }
 458 #endif
 459     }
 460
 461     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 462     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 463     if( tc.selected_item >= tc.filesindir)
 464         tc.selected_item=tc.filesindir-1;
 465
 466     gui_synclist_select_item(&tree_lists, tc.selected_item);
 467 #ifdef HAS_BUTTONBAR
 468     if (global_settings.buttonbar) {
 469         if (*tc.dirfilter < NUM_FILTER_MODES)
 470             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 471                           str(LANG_SYSFONT_DIRBROWSE_F2),
 472                           str(LANG_SYSFONT_DIRBROWSE_F3));
 473         else
 474             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 475         gui_buttonbar_draw(&tree_buttonbar);
 476     }
 477 #endif
 478     gui_synclist_draw(&tree_lists);
 479     gui_synclist_speak_item(&tree_lists);
 480     gui_syncstatusbar_draw(&statusbars, true);
 481     return tc.filesindir;
 482 }
 483
 484 /* load tracks from specified directory to resume play */
 485 void resume_directory(const char *dir)
 486 {
 487 #ifdef HAVE_TAGCACHE
 488     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 489 #endif
 490
 491     if (ft_load(&tc, dir) < 0)
 492         return;
 493     lastdir[0] = 0;
 494
 495     ft_build_playlist(&tc, 0);
 496
 497 #ifdef HAVE_TAGCACHE
 498     if (id3db)
 499         tagtree_load(&tc);
 500 #endif
 501 }
 502
 503 /* Returns the current working directory and also writes cwd to buf if
 504    non-NULL.  In case of error, returns NULL. */
 505 char *getcwd(char *buf, int size)
 506 {
 507     if (!buf)
 508         return tc.currdir;
 509     else if (size > 0)
 510     {
 511         strncpy(buf, tc.currdir, size);
 512         return buf;
 513     }
 514     else
 515         return NULL;
 516 }
 517
 518 /* Force a reload of the directory next time directory browser is called */
 519 void reload_directory(void)
 520 {
 521     reload_dir = true;
 522 }
 523
 524 void get_current_file(char* buffer, int buffer_len)
 525 {
 526 #ifdef HAVE_TAGCACHE
 527     /* in ID3DB mode it is a bad idea to call this function */
 528     /* (only happens with `follow playlist') */
 529     if( *tc.dirfilter == SHOW_ID3DB )
 530         return;
 531 #endif
 532
 533     struct entry* dc = tc.dircache;
 534     struct entry* e = &dc[tc.selected_item];
 535     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 536                                           tc.dirlength ? e->name : "");
 537 }
 538
 539 /* Allow apps to change our dirfilter directly (required for sub browsers)
 540    if they're suddenly going to become a file browser for example */
 541 void set_dirfilter(int l_dirfilter)
 542 {
 543     *tc.dirfilter = l_dirfilter;
 544 }
 545
 546 /* Selects a file and update tree context properly */
 547 void set_current_file(char *path)
 548 {
 549     char *name;
 550     int i;
 551
 552 #ifdef HAVE_TAGCACHE
 553     /* in ID3DB mode it is a bad idea to call this function */
 554     /* (only happens with `follow playlist') */
 555     if( *tc.dirfilter == SHOW_ID3DB )
 556         return;
 557 #endif
 558
 559     /* separate directory from filename */
 560     /* gets the directory's name and put it into tc.currdir */
 561     name = strrchr(path+1,'/');
 562     if (name)
 563     {
 564         *name = 0;
 565         strcpy(tc.currdir, path);
 566         *name = '/';
 567         name++;
 568     }
 569     else
 570     {
 571         strcpy(tc.currdir, "/");
 572         name = path+1;
 573     }
 574
 575     strcpy(lastfile, name);
 576
 577
 578     /* If we changed dir we must recalculate the dirlevel
 579        and adjust the selected history properly */
 580     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 581     {
 582         tc.dirlevel =  0;
 583         tc.selected_item_history[tc.dirlevel] = -1;
 584
 585         /* use '/' to calculate dirlevel */
 586         for (i = 1; path[i] != '\0'; i++)
 587         {
 588             if (path[i] == '/')
 589             {
 590                 tc.dirlevel++;
 591                 tc.selected_item_history[tc.dirlevel] = -1;
 592             }
 593         }
 594     }
 595     if (ft_load(&tc, NULL) >= 0)
 596     {
 597         tc.selected_item = tree_get_file_position(lastfile);
 598     }
 599 }
 600
 601
 602 /* main loop, handles key events */
 603 static int dirbrowse()
 604 {
 605     int numentries=0;
 606     char buf[MAX_PATH];
 607     unsigned button, oldbutton;
 608     bool reload_root = false;
 609     int lastfilter = *tc.dirfilter;
 610     bool lastsortcase = global_settings.sort_case;
 611     bool exit_func = false;
 612
 613     char* currdir = tc.currdir; /* just a shortcut */
 614 #ifdef HAVE_TAGCACHE
 615     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 616
 617     if (id3db)
 618         curr_context=CONTEXT_ID3DB;
 619     else
 620 #endif
 621         curr_context=CONTEXT_TREE;
 622     if (tc.selected_item < 0)
 623         tc.selected_item = 0;
 624 #ifdef HAVE_TAGCACHE
 625     tc.firstpos = 0;
 626     lasttable = -1;
 627     lastextra = -1;
 628     lastfirstpos = 0;
 629 #endif
 630
 631     start_wps = false;
 632     numentries = update_dir();
 633     reload_dir = false;
 634     if (numentries == -1)
 635         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 636
 637     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 638     {
 639         gui_syncsplash(HZ*2, ID2P(LANG_NO_FILES));
 640         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 641     }
 642
 643     while(1) {
 644         struct entry *dircache = tc.dircache;
 645         bool restore = false;
 646         if (tc.dirlevel < 0)
 647             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 648 #ifdef BOOTFILE
 649         if (boot_changed) {
 650             char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 651             struct text_message message={lines, 2};
 652             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 653                 rolo_load("/" BOOTFILE);
 654             restore = true;
 655             boot_changed = false;
 656         }
 657 #endif
 658         button = get_action(CONTEXT_TREE,
 659                             list_do_action_timeout(&tree_lists, HZ/2));
 660         oldbutton = button;
 661         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 662         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 663         switch ( button ) {
 664             case ACTION_STD_OK:
 665                 /* nothing to do if no files to display */
 666                 if ( numentries == 0 )
 667                     break;
 668
 669 #ifdef HAVE_TAGCACHE
 670                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 671 #else
 672                 switch (ft_enter(&tc))
 673 #endif
 674                 {
 675                     case 1: reload_dir = true; break;
 676                     case 2: start_wps = true; break;
 677                     case 3: exit_func = true; break;
 678                     default: break;
 679                 }
 680                 restore = true;
 681                 break;
 682
 683             case ACTION_STD_CANCEL:
 684                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 685                     exit_func = true;
 686                     break;
 687                 }
 688                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 689                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 690                 {
 691 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 692                     if (oldbutton == ACTION_TREE_PGLEFT)
 693                         break;
 694                     else
 695 #endif
 696                         return GO_TO_ROOT;
 697                 }
 698
 699 #ifdef HAVE_TAGCACHE
 700                 if (id3db)
 701                     tagtree_exit(&tc);
 702                 else
 703 #endif
 704                     if (ft_exit(&tc) == 3)
 705                         exit_func = true;
 706
 707                 restore = true;
 708                 break;
 709
 710             case ACTION_TREE_STOP:
 711                 if (list_stop_handler())
 712                     restore = true;
 713                 break;
 714
 715             case ACTION_STD_MENU:
 716                 return GO_TO_ROOT;
 717                 break;
 718
 719 #ifdef HAVE_RECORDING
 720             case ACTION_STD_REC:
 721                 return GO_TO_RECSCREEN;
 722 #endif
 723
 724             case ACTION_TREE_WPS:
 725                 return GO_TO_PREVIOUS_MUSIC;
 726                 break;
 727 #ifdef HAVE_QUICKSCREEN
 728             case ACTION_STD_QUICKSCREEN:
 729                 /* don't enter f2 from plugin browser */
 730                 if (*tc.dirfilter < NUM_FILTER_MODES)
 731                 {
 732                     if (quick_screen_quick(button))
 733                         reload_dir = true;
 734                     restore = true;
 735                 }
 736                 break;
 737 #endif
 738 #ifdef BUTTON_F3
 739             case ACTION_F3:
 740                 /* don't enter f3 from plugin browser */
 741                 if (*tc.dirfilter < NUM_FILTER_MODES)
 742                 {
 743                     if (quick_screen_f3(ACTION_F3))
 744                         reload_dir = true;
 745                     restore = true;
 746                 }
 747                 break;
 748 #endif
 749
 750             case ACTION_STD_CONTEXT:
 751             {
 752                 int onplay_result;
 753                 int attr = 0;
 754
 755                 if(!numentries)
 756                     onplay_result = onplay(NULL, 0, curr_context);
 757                 else {
 758 #ifdef HAVE_TAGCACHE
 759                     if (id3db)
 760                     {
 761                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 762                         {
 763                             attr = FILE_ATTR_AUDIO;
 764                             tagtree_get_filename(&tc, buf, sizeof(buf));
 765                         }
 766                         else
 767                             attr = ATTR_DIRECTORY;
 768                     }
 769                     else
 770 #endif
 771                     {
 772                         attr = dircache[tc.selected_item].attr;
 773
 774                         if (currdir[1]) /* Not in / */
 775                             snprintf(buf, sizeof buf, "%s/%s",
 776                                      currdir,
 777                                      dircache[tc.selected_item].name);
 778                         else /* In / */
 779                             snprintf(buf, sizeof buf, "/%s",
 780                                      dircache[tc.selected_item].name);
 781                     }
 782                     onplay_result = onplay(buf, attr, curr_context);
 783                 }
 784                 switch (onplay_result)
 785                 {
 786                     case ONPLAY_MAINMENU:
 787                         return GO_TO_ROOT;
 788
 789                     case ONPLAY_OK:
 790                         restore = true;
 791                         break;
 792
 793                     case ONPLAY_RELOAD_DIR:
 794                         reload_dir = true;
 795                         break;
 796
 797                     case ONPLAY_START_PLAY:
 798                         return GO_TO_WPS;
 799                         break;
 800                 }
 801                 break;
 802             }
 803
 804             case ACTION_NONE:
 805                 gui_syncstatusbar_draw(&statusbars, false);
 806                 break;
 807
 808 #ifdef HAVE_HOTSWAP
 809             case SYS_FS_CHANGED:
 810 #ifdef HAVE_TAGCACHE
 811                 if (!id3db)
 812 #endif
 813                     reload_dir = true;
 814                 /* The 'dir no longer valid' situation will be caught later
 815                  * by checking the showdir() result. */
 816                 break;
 817 #endif
 818
 819             default:
 820                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 821                 {
 822                     if(*tc.dirfilter > NUM_FILTER_MODES)
 823                         /* leave sub-browsers after usb, doing otherwise
 824                            might be confusing to the user */
 825                         exit_func = true;
 826                     else
 827                         reload_dir = true;
 828                 }
 829                 break;
 830         }
 831         if (start_wps)
 832             return GO_TO_WPS;
 833         if (button)
 834         {
 835             ata_spin();
 836         }
 837
 838
 839     check_rescan:
 840         /* do we need to rescan dir? */
 841         if (reload_dir || reload_root ||
 842             lastfilter != *tc.dirfilter ||
 843             lastsortcase != global_settings.sort_case)
 844         {
 845             if (reload_root) {
 846                 strcpy(currdir, "/");
 847                 tc.dirlevel = 0;
 848 #ifdef HAVE_TAGCACHE
 849                 tc.currtable = 0;
 850                 tc.currextra = 0;
 851                 lasttable = -1;
 852                 lastextra = -1;
 853 #endif
 854                 reload_root = false;
 855             }
 856
 857             if (!reload_dir)
 858             {
 859                 gui_synclist_select_item(&tree_lists, 0);
 860                 gui_synclist_draw(&tree_lists);
 861                 tc.selected_item = 0;
 862                 lastdir[0] = 0;
 863             }
 864
 865             lastfilter = *tc.dirfilter;
 866             lastsortcase = global_settings.sort_case;
 867             restore = true;
 868         }
 869
 870         if (exit_func)
 871             return GO_TO_PREVIOUS;
 872
 873         if (restore || reload_dir) {
 874             /* restore display */
 875             numentries = update_dir();
 876             reload_dir = false;
 877             if (currdir[1] && (numentries < 0))
 878             {   /* not in root and reload failed */
 879                 reload_root = true; /* try root */
 880                 goto check_rescan;
 881             }
 882         }
 883     }
 884     return true;
 885 }
 886
 887 static int plsize = 0;
 888 static long pltick;
 889 static bool add_dir(char* dirname, int len, int fd)
 890 {
 891     bool abort = false;
 892     DIR* dir;
 893
 894     /* check for user abort */
 895     if (action_userabort(TIMEOUT_NOBLOCK))
 896         return true;
 897
 898     dir = opendir(dirname);
 899     if(!dir)
 900         return true;
 901
 902     while (true) {
 903         struct dirent *entry;
 904
 905         entry = readdir(dir);
 906         if (!entry)
 907             break;
 908         if (entry->attribute & ATTR_DIRECTORY) {
 909             int dirlen = strlen(dirname);
 910             bool result;
 911
 912             if (!strcmp((char *)entry->d_name, ".") ||
 913                 !strcmp((char *)entry->d_name, ".."))
 914                 continue;
 915
 916             if (dirname[1])
 917                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
 918             else
 919                 snprintf(dirname, len, "/%s", entry->d_name);
 920
 921             result = add_dir(dirname, len, fd);
 922             dirname[dirlen] = '\0';
 923             if (result) {
 924                 abort = true;
 925                 break;
 926             }
 927         }
 928         else {
 929             int x = strlen((char *)entry->d_name);
 930             int i;
 931             char *cp = strrchr((char *)entry->d_name,'.');
 932
 933             if (cp) {
 934                 cp++;
 935
 936                 /* add all supported audio files to playlists */
 937                 for (i=0; i < filetypes_count; i++) {
 938                     if (filetypes[i].tree_attr == FILE_ATTR_AUDIO) {
 939                         if (!strcasecmp(cp, filetypes[i].extension)) {
 940                             char buf[8];
 941                             int i;
 942                             write(fd, dirname, strlen(dirname));
 943                             write(fd, "/", 1);
 944                             write(fd, entry->d_name, x);
 945                             write(fd, "\n", 1);
 946
 947                             plsize++;
 948                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
 949                                 pltick = current_tick;
 950
 951                                 snprintf(buf, sizeof buf, "%d", plsize);
 952 #ifdef HAVE_LCD_BITMAP
 953                                 FOR_NB_SCREENS(i)
 954                                 {
 955                                     screens[i].puts(0, 4, (unsigned char *)buf);
 956                                     gui_textarea_update(&screens[i]);
 957                                 }
 958 #else
 959                                 if (plsize > 999)
 960                                     x=7;
 961                                 else if (plsize > 99)
 962                                     x=8;
 963                                 else if (plsize > 9)
 964                                     x=9;
 965                                 else
 966                                     x = 10;
 967
 968                                 FOR_NB_SCREENS(i) {
 969                                     screens[i].puts(x,0,buf);
 970                                 }
 971 #endif
 972                             }
 973                             break;
 974                         }
 975                     }
 976                 }
 977             }
 978         }
 979     }
 980     closedir(dir);
 981
 982     return abort;
 983 }
 984
 985 bool create_playlist(void)
 986 {
 987     int fd;
 988     int i;
 989     char filename[MAX_PATH];
 990
 991     pltick = current_tick;
 992
 993     snprintf(filename, sizeof filename, "%s.m3u8",
 994              tc.currdir[1] ? tc.currdir : "/root");
 995     FOR_NB_SCREENS(i)
 996     {
 997         gui_textarea_clear(&screens[i]);
 998         screens[i].puts(0, 0, str(LANG_CREATING));
 999         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1000 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1001         gui_textarea_update(&screens[i]);
1002 #endif
1003     }
1004     fd = creat(filename);
1005     if (fd < 0)
1006         return false;
1007
1008     trigger_cpu_boost();
1009
1010     snprintf(filename, sizeof(filename), "%s",
1011              tc.currdir[1] ? tc.currdir : "/");
1012     plsize = 0;
1013     add_dir(filename, sizeof(filename), fd);
1014     close(fd);
1015
1016     cancel_cpu_boost();
1017     sleep(HZ);
1018
1019     return true;
1020 }
1021
1022 int rockbox_browse(const char *root, int dirfilter)
1023 {
1024     int ret_val = 0;
1025     int *last_filter = tc.dirfilter;
1026     tc.dirfilter = &dirfilter;
1027
1028     reload_dir = true;
1029     if (dirfilter >= NUM_FILTER_MODES)
1030     {
1031         static struct tree_context backup;
1032         int last_context;
1033
1034         backup = tc;
1035         tc.selected_item = 0;
1036         tc.dirlevel = 0;
1037         memcpy(tc.currdir, root, sizeof(tc.currdir));
1038         start_wps = false;
1039         last_context = curr_context;
1040
1041         ret_val = dirbrowse();
1042         tc = backup;
1043         curr_context = last_context;
1044     }
1045     else
1046     {
1047         static char buf[MAX_PATH];
1048         if (dirfilter != SHOW_ID3DB)
1049             tc.dirfilter = &global_settings.dirfilter;
1050         strcpy(buf,root);
1051         set_current_file(buf);
1052         ret_val = dirbrowse();
1053     }
1054     tc.dirfilter = last_filter;
1055     return ret_val;
1056 }
1057
1058 void tree_mem_init(void)
1059 {
1060     /* We copy the settings value in case it is changed by the user. We can't
1061        use it until the next reboot. */
1062     max_files = global_settings.max_files_in_dir;
1063
1064     /* initialize tree context struct */
1065     memset(&tc, 0, sizeof(tc));
1066     tc.dirfilter = &global_settings.dirfilter;
1067
1068     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1069     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1070
1071     tc.dircache_size = max_files * sizeof(struct entry);
1072     tc.dircache = buffer_alloc(tc.dircache_size);
1073     tree_get_filetypes(&filetypes, &filetypes_count);
1074 }
1075
1076 bool bookmark_play(char *resume_file, int index, int offset, int seed,
1077                    char *filename)
1078 {
1079     int i;
1080     char* suffix = strrchr(resume_file, '.');
1081     bool started = false;
1082
1083     if (suffix != NULL &&
1084         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1085     {
1086         /* Playlist playback */
1087         char* slash;
1088         /* check that the file exists */
1089         int fd = open(resume_file, O_RDONLY);
1090         if(fd<0)
1091             return false;
1092         close(fd);
1093
1094         slash = strrchr(resume_file,'/');
1095         if (slash)
1096         {
1097             char* cp;
1098             *slash=0;
1099
1100             cp=resume_file;
1101             if (!cp[0])
1102                 cp="/";
1103
1104             if (playlist_create(cp, slash+1) != -1)
1105             {
1106                 if (global_settings.playlist_shuffle)
1107                     playlist_shuffle(seed, -1);
1108                 playlist_start(index,offset);
1109                 started = true;
1110             }
1111             *slash='/';
1112         }
1113     }
1114     else
1115     {
1116         /* Directory playback */
1117         lastdir[0]='\0';
1118         if (playlist_create(resume_file, NULL) != -1)
1119         {
1120             char* peek_filename;
1121             resume_directory(resume_file);
1122             if (global_settings.playlist_shuffle)
1123                 playlist_shuffle(seed, -1);
1124
1125             /* Check if the file is at the same spot in the directory,
1126                else search for it */
1127             peek_filename = playlist_peek(index);
1128
1129             if (peek_filename == NULL)
1130                 return false;
1131
1132             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1133             {
1134                 for ( i=0; i < playlist_amount(); i++ )
1135                 {
1136                     peek_filename = playlist_peek(i);
1137
1138                     if (peek_filename == NULL)
1139                         return false;
1140
1141                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1142                         break;
1143                 }
1144                 if (i < playlist_amount())
1145                     index = i;
1146                 else
1147                     return false;
1148             }
1149             playlist_start(index,offset);
1150             started = true;
1151         }
1152     }
1153
1154     if (started)
1155         start_wps = true;
1156     return started;
1157 }
1158
1159 static void say_filetype(int attr)
1160 {
1161     /* try to find a voice ID for the extension, if known */
1162     int j;
1163     attr &= FILE_ATTR_MASK; /* file type */
1164     for (j=0; j<filetypes_count; j++)
1165         if (attr == filetypes[j].tree_attr)
1166         {
1167             talk_id(filetypes[j].voiceclip, true);
1168             return;
1169         }
1170 }
1171
1172 static int ft_play_dirname(char* name)
1173 {
1174     int fd;
1175     char dirname_mp3_filename[MAX_PATH+1];
1176
1177 #if CONFIG_CODEC != SWCODEC
1178     if (audio_status() & AUDIO_STATUS_PLAY)
1179         return 0;
1180 #endif
1181
1182     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1183              tc.currdir[1] ? tc.currdir : "" , name,
1184              dir_thumbnail_name);
1185
1186     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1187
1188     fd = open(dirname_mp3_filename, O_RDONLY);
1189     if (fd < 0)
1190     {
1191         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1192         return -1;
1193     }
1194
1195     close(fd);
1196
1197     DEBUGF("Found: %s\n", dirname_mp3_filename);
1198
1199     talk_file(dirname_mp3_filename, false);
1200     if(global_settings.talk_filetype)
1201         talk_id(VOICE_DIR, true);
1202     return 1;
1203 }
1204
1205 static void ft_play_filename(char *dir, char *file)
1206 {
1207     char name_mp3_filename[MAX_PATH+1];
1208
1209 #if CONFIG_CODEC != SWCODEC
1210     if (audio_status() & AUDIO_STATUS_PLAY)
1211         return;
1212 #endif
1213
1214     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1215                     file_thumbnail_ext))
1216     {   /* file has no .talk extension */
1217         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1218                  "%s/%s%s", dir, file, file_thumbnail_ext);
1219
1220         talk_file(name_mp3_filename, false);
1221     }
1222     else
1223     {   /* it already is a .talk file, play this directly */
1224         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1225             "%s/%s", dir, file);
1226         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1227         talk_file(name_mp3_filename, true);
1228     }
1229 }
1230
1231 /* These two functions are called by the USB and shutdown handlers */
1232 void tree_flush(void)
1233 {
1234     scrobbler_shutdown();
1235 #ifdef HAVE_TAGCACHE
1236     tagcache_shutdown();
1237 #endif
1238     playlist_shutdown();
1239
1240 #ifdef HAVE_TC_RAMCACHE
1241     tagcache_unload_ramcache();
1242 #endif
1243
1244 #ifdef HAVE_DIRCACHE
1245     {
1246         int old_val = global_status.dircache_size;
1247         if (global_settings.dircache)
1248         {
1249             if (!dircache_is_initializing())
1250                 global_status.dircache_size = dircache_get_cache_size();
1251 # ifdef HAVE_EEPROM_SETTINGS
1252             if (firmware_settings.initialized)
1253                 dircache_save();
1254 # endif
1255             dircache_disable();
1256         }
1257         else
1258         {
1259             global_status.dircache_size = 0;
1260         }
1261         if (old_val != global_status.dircache_size)
1262             status_save();
1263     }
1264 #endif
1265 }
1266
1267 void tree_restore(void)
1268 {
1269 #ifdef HAVE_EEPROM_SETTINGS
1270     firmware_settings.disk_clean = false;
1271 #endif
1272
1273 #ifdef HAVE_TC_RAMCACHE
1274     remove(TAGCACHE_STATEFILE);
1275 #endif
1276
1277 #ifdef HAVE_DIRCACHE
1278     remove(DIRCACHE_FILE);
1279     if (global_settings.dircache)
1280     {
1281         /* Print "Scanning disk..." to the display. */
1282         int i;
1283         FOR_NB_SCREENS(i)
1284         {
1285             screens[i].putsxy((LCD_WIDTH/2) -
1286                               ((strlen(str(LANG_SCANNING_DISK)) *
1287                                 screens[i].char_width)/2),
1288                               LCD_HEIGHT-screens[i].char_height*3,
1289                               str(LANG_SCANNING_DISK));
1290             gui_textarea_update(&screens[i]);
1291         }
1292         cond_talk_ids_fq(LANG_SCANNING_DISK);
1293
1294         dircache_build(global_status.dircache_size);
1295
1296         /* Clean the text when we are done. */
1297         FOR_NB_SCREENS(i)
1298         {
1299             gui_textarea_clear(&screens[i]);
1300         }
1301     }
1302 #endif
1303 #ifdef HAVE_TAGCACHE
1304     tagcache_start_scan();
1305 #endif
1306     scrobbler_init();
1307 }