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
  83 #if (LCD_DEPTH > 1) || (defined(HAVE_LCD_REMOTE) && (LCD_REMOTE_DEPTH > 1))
  84 #include "backdrop.h"
  85 #endif
  86
  87 static const struct filetype *filetypes;
  88 static int filetypes_count;
  89
  90 struct gui_synclist tree_lists;
  91
  92 /* I put it here because other files doesn't use it yet,
  93  * but should be elsewhere since it will be used mostly everywhere */
  94 #ifdef HAS_BUTTONBAR
  95 struct gui_buttonbar tree_buttonbar;
  96 #endif
  97 static struct tree_context tc;
  98
  99 bool boot_changed = false;
 100
 101 char lastfile[MAX_PATH];
 102 static char lastdir[MAX_PATH];
 103 #ifdef HAVE_TAGCACHE
 104 static int lasttable, lastextra, lastfirstpos;
 105 #endif
 106 static int max_files = 0;
 107
 108 static bool reload_dir = false;
 109
 110 static bool start_wps = false;
 111 static int curr_context = false;/* id3db or tree*/
 112
 113 static int dirbrowse(void);
 114 static int ft_play_filenumber(int pos, int attr);
 115 static int ft_play_dirname(char* name);
 116 static void ft_play_filename(char *dir, char *file);
 117
 118 /*
 119  * removes the extension of filename (if it doesn't start with a .)
 120  * puts the result in buffer
 121  */
 122 static char * strip_extension(char * filename, char * buffer)
 123 {
 124     int dotpos;
 125     char * dot=strrchr(filename, '.');
 126     if(dot!=0 && filename[0]!='.')
 127     {
 128         dotpos = dot-filename;
 129         strncpy(buffer, filename, dotpos);
 130         buffer[dotpos]='\0';
 131         return(buffer);
 132     }
 133     else
 134         return(filename);
 135 }
 136
 137 static char * tree_get_filename(int selected_item, void * data, char *buffer)
 138 {
 139     struct tree_context * local_tc=(struct tree_context *)data;
 140     char *name;
 141     int attr=0;
 142     bool stripit = false;
 143 #ifdef HAVE_TAGCACHE
 144     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 145
 146     if (id3db)
 147     {
 148         return tagtree_get_entry(&tc, selected_item)->name;
 149     }
 150     else
 151 #endif
 152     {
 153         struct entry* dc = local_tc->dircache;
 154         struct entry* e = &dc[selected_item];
 155         name = e->name;
 156         attr = e->attr;
 157     }
 158
 159     if(!(attr & ATTR_DIRECTORY))
 160     {
 161         switch(global_settings.show_filename_ext)
 162         {
 163             case 0:
 164                 /* show file extension: off */
 165                 stripit = true;
 166                 break;
 167             case 1:
 168                 /* show file extension: on */
 169                 break;
 170             case 2:
 171                 /* show file extension: only unknown types */
 172                 stripit = filetype_supported(attr);
 173                 break;
 174             case 3:
 175             default:
 176                 /* show file extension: only when viewing all */
 177                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 178                           (*(local_tc->dirfilter) != SHOW_ALL);
 179                 break;
 180         }
 181     }
 182
 183     if(stripit)
 184     {
 185         return(strip_extension(name, buffer));
 186     }
 187     return(name);
 188 }
 189
 190 #ifdef HAVE_LCD_COLOR
 191 static int tree_get_filecolor(int selected_item, void * data)
 192 {
 193     if (*tc.dirfilter == SHOW_ID3DB)
 194         return -1;
 195     struct tree_context * local_tc=(struct tree_context *)data;
 196     struct entry* dc = local_tc->dircache;
 197     struct entry* e = &dc[selected_item];
 198     return filetype_get_color(e->name, e->attr);
 199 }
 200 #endif
 201
 202 static int tree_get_fileicon(int selected_item, void * data)
 203 {
 204     struct tree_context * local_tc=(struct tree_context *)data;
 205 #ifdef HAVE_TAGCACHE
 206     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 207     if (id3db) {
 208         return tagtree_get_icon(&tc);
 209     }
 210     else
 211 #endif
 212         {
 213         struct entry* dc = local_tc->dircache;
 214         struct entry* e = &dc[selected_item];
 215         return filetype_get_icon(e->attr);
 216     }
 217 }
 218
 219 bool check_rockboxdir(void)
 220 {
 221     DIR *dir = opendir(ROCKBOX_DIR);
 222     if(!dir)
 223     {   /* No need to localise this message.
 224            If .rockbox is missing, it wouldn't work anyway */
 225         int i;
 226         FOR_NB_SCREENS(i)
 227             screens[i].clear_display();
 228         gui_syncsplash(HZ*2, "No .rockbox directory");
 229         FOR_NB_SCREENS(i)
 230             screens[i].clear_display();
 231         gui_syncsplash(HZ*2, "Installation incomplete");
 232         return false;
 233     }
 234     closedir(dir);
 235     return true;
 236 }
 237
 238 /* do this really late in the init sequence */
 239 void tree_gui_init(void)
 240 {
 241     gui_sync_wps_screen_init();
 242
 243     check_rockboxdir();
 244
 245     strcpy(tc.currdir, "/");
 246
 247 #ifdef HAVE_LCD_CHARCELLS
 248     int i;
 249     FOR_NB_SCREENS(i)
 250         screens[i].double_height(false);
 251 #endif
 252 #ifdef HAS_BUTTONBAR
 253     gui_buttonbar_init(&tree_buttonbar);
 254     /* since archos only have one screen, no need to create more than that */
 255     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 256 #endif
 257     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1);
 258     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 259 #ifdef HAVE_LCD_COLOR
 260     gui_list_set_color_callback(&tree_lists.gui_list[SCREEN_MAIN],
 261                                 &tree_get_filecolor);
 262 #endif
 263 }
 264
 265
 266
 267 struct tree_context* tree_get_context(void)
 268 {
 269     return &tc;
 270 }
 271
 272 /* talkbox hovering delay, to avoid immediate disk activity */
 273 #define HOVER_DELAY (HZ/2)
 274 /*
 275  * Returns the position of a given file in the current directory
 276  * returns -1 if not found
 277  */
 278 static int tree_get_file_position(char * filename)
 279 {
 280     int i;
 281
 282     /* use lastfile to determine the selected item (default=0) */
 283     for (i=0; i < tc.filesindir; i++)
 284     {
 285         struct entry* dc = tc.dircache;
 286         struct entry* e = &dc[i];
 287         if (!strcasecmp(e->name, filename))
 288             return(i);
 289     }
 290     return(-1);/* no file can match, returns undefined */
 291 }
 292
 293 /*
 294  * Called when a new dir is loaded (for example when returning from other apps ...)
 295  * also completely redraws the tree
 296  */
 297 static int update_dir(void)
 298 {
 299   bool changed = false;
 300 #ifdef HAVE_TAGCACHE
 301     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 302     /* Checks for changes */
 303     if (id3db) {
 304         if (tc.currtable != lasttable ||
 305             tc.currextra != lastextra ||
 306             tc.firstpos  != lastfirstpos ||
 307             reload_dir)
 308         {
 309             if (tagtree_load(&tc) < 0)
 310                 return -1;
 311
 312             lasttable = tc.currtable;
 313             lastextra = tc.currextra;
 314             lastfirstpos = tc.firstpos;
 315             changed = true;
 316         }
 317     }
 318     else
 319 #endif
 320         {
 321         /* if the tc.currdir has been changed, reload it ...*/
 322         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir) {
 323
 324             if (ft_load(&tc, NULL) < 0)
 325                 return -1;
 326             strcpy(lastdir, tc.currdir);
 327             changed = true;
 328         }
 329     }
 330     /* if selected item is undefined */
 331     if (tc.selected_item == -1)
 332     {
 333         /* use lastfile to determine the selected item */
 334         tc.selected_item = tree_get_file_position(lastfile);
 335
 336         /* If the file doesn't exists, select the first one (default) */
 337         if(tc.selected_item < 0)
 338             tc.selected_item = 0;
 339         changed = true;
 340     }
 341     if (changed)
 342     {
 343         if(
 344 #ifdef HAVE_TAGCACHE
 345         !id3db &&
 346 #endif
 347         (tc.dirfull ||
 348                       tc.filesindir == global_settings.max_files_in_dir) )
 349         {
 350             gui_syncsplash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 351         }
 352     }
 353 #ifdef HAVE_TAGCACHE
 354     if (id3db)
 355     {
 356         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 357             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 358         {
 359             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 360                 filetype_get_icon(ATTR_DIRECTORY));
 361         }
 362         else
 363         {
 364             /* Must clear the title as the list is reused */
 365             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 366         }
 367     }
 368     else
 369 #endif
 370     {
 371         if (global_settings.show_path_in_browser &&
 372             *(tc.dirfilter) == SHOW_PLUGINS)
 373         {
 374             char *title;
 375             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 376                 title = str(LANG_PLUGIN_GAMES);
 377             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 378                 title = str(LANG_PLUGIN_APPS);
 379             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 380                 title = str(LANG_PLUGIN_DEMOS);
 381             else title = str(LANG_PLUGINS);
 382             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 383         }
 384         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 385         {
 386             gui_synclist_set_title(&tree_lists, tc.currdir,
 387                 filetype_get_icon(ATTR_DIRECTORY));
 388         }
 389         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 390         {
 391             char *title = strrchr(tc.currdir, '/') + 1;
 392             if (*title == '\0')
 393             {
 394                 /* Display "Files" for the root dir */
 395                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 396                     filetype_get_icon(ATTR_DIRECTORY));
 397             }
 398             else
 399                 gui_synclist_set_title(&tree_lists, title,
 400                     filetype_get_icon(ATTR_DIRECTORY));
 401         }
 402         else
 403         {
 404             /* Must clear the title as the list is reused */
 405             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 406         }
 407     }
 408
 409     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 410     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 411     if( tc.selected_item >= tc.filesindir)
 412         tc.selected_item=tc.filesindir-1;
 413
 414     gui_synclist_select_item(&tree_lists, tc.selected_item);
 415 #ifdef HAS_BUTTONBAR
 416     if (global_settings.buttonbar) {
 417         if (*tc.dirfilter < NUM_FILTER_MODES)
 418             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 419                           str(LANG_SYSFONT_DIRBROWSE_F2),
 420                           str(LANG_SYSFONT_DIRBROWSE_F3));
 421         else
 422             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 423         gui_buttonbar_draw(&tree_buttonbar);
 424     }
 425 #endif
 426     gui_synclist_draw(&tree_lists);
 427     gui_syncstatusbar_draw(&statusbars, true);
 428     return tc.filesindir;
 429 }
 430
 431 /* load tracks from specified directory to resume play */
 432 void resume_directory(const char *dir)
 433 {
 434 #ifdef HAVE_TAGCACHE
 435     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 436 #endif
 437
 438     if (ft_load(&tc, dir) < 0)
 439         return;
 440     lastdir[0] = 0;
 441
 442     ft_build_playlist(&tc, 0);
 443
 444 #ifdef HAVE_TAGCACHE
 445     if (id3db)
 446         tagtree_load(&tc);
 447 #endif
 448 }
 449
 450 /* Returns the current working directory and also writes cwd to buf if
 451    non-NULL.  In case of error, returns NULL. */
 452 char *getcwd(char *buf, int size)
 453 {
 454     if (!buf)
 455         return tc.currdir;
 456     else if (size > 0)
 457     {
 458         strncpy(buf, tc.currdir, size);
 459         return buf;
 460     }
 461     else
 462         return NULL;
 463 }
 464
 465 /* Force a reload of the directory next time directory browser is called */
 466 void reload_directory(void)
 467 {
 468     reload_dir = true;
 469 }
 470
 471 void get_current_file(char* buffer, int buffer_len)
 472 {
 473 #ifdef HAVE_TAGCACHE
 474     /* in ID3DB mode it is a bad idea to call this function */
 475     /* (only happens with `follow playlist') */
 476     if( *tc.dirfilter == SHOW_ID3DB )
 477         return;
 478 #endif
 479
 480     struct entry* dc = tc.dircache;
 481     struct entry* e = &dc[tc.selected_item];
 482     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 483                                           tc.dirlength ? e->name : "");
 484 }
 485
 486 /* Allow apps to change our dirfilter directly (required for sub browsers)
 487    if they're suddenly going to become a file browser for example */
 488 void set_dirfilter(int l_dirfilter)
 489 {
 490     *tc.dirfilter = l_dirfilter;
 491 }
 492
 493 /* Selects a file and update tree context properly */
 494 void set_current_file(char *path)
 495 {
 496     char *name;
 497     int i;
 498
 499 #ifdef HAVE_TAGCACHE
 500     /* in ID3DB mode it is a bad idea to call this function */
 501     /* (only happens with `follow playlist') */
 502     if( *tc.dirfilter == SHOW_ID3DB )
 503         return;
 504 #endif
 505
 506     /* separate directory from filename */
 507     /* gets the directory's name and put it into tc.currdir */
 508     name = strrchr(path+1,'/');
 509     if (name)
 510     {
 511         *name = 0;
 512         strcpy(tc.currdir, path);
 513         *name = '/';
 514         name++;
 515     }
 516     else
 517     {
 518         strcpy(tc.currdir, "/");
 519         name = path+1;
 520     }
 521
 522     strcpy(lastfile, name);
 523
 524
 525     /* If we changed dir we must recalculate the dirlevel
 526        and adjust the selected history properly */
 527     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 528     {
 529         tc.dirlevel =  0;
 530         tc.selected_item_history[tc.dirlevel] = -1;
 531
 532         /* use '/' to calculate dirlevel */
 533         for (i = 1; path[i] != '\0'; i++)
 534         {
 535             if (path[i] == '/')
 536             {
 537                 tc.dirlevel++;
 538                 tc.selected_item_history[tc.dirlevel] = -1;
 539             }
 540         }
 541     }
 542     if (ft_load(&tc, NULL) >= 0)
 543     {
 544         tc.selected_item = tree_get_file_position(lastfile);
 545     }
 546 }
 547
 548
 549 /* main loop, handles key events */
 550 static int dirbrowse()
 551 {
 552     int numentries=0;
 553     char buf[MAX_PATH];
 554     int lasti = -1;
 555     unsigned button, oldbutton;
 556     bool reload_root = false;
 557     int lastfilter = *tc.dirfilter;
 558     bool lastsortcase = global_settings.sort_case;
 559     bool need_update = true;
 560     bool exit_func = false;
 561     long thumbnail_time = -1; /* for delaying a thumbnail */
 562
 563     char* currdir = tc.currdir; /* just a shortcut */
 564 #ifdef HAVE_TAGCACHE
 565     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 566
 567     if (id3db)
 568         curr_context=CONTEXT_ID3DB;
 569     else
 570 #endif
 571         curr_context=CONTEXT_TREE;
 572     if (tc.selected_item < 0)
 573         tc.selected_item = 0;
 574 #ifdef HAVE_TAGCACHE
 575     tc.firstpos=0;
 576     lasttable = -1;
 577     lastextra = -1;
 578     lastfirstpos = 0;
 579 #endif
 580
 581     start_wps = false;
 582     numentries = update_dir();
 583     if (numentries == -1)
 584         return false;  /* currdir is not a directory */
 585
 586     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 587     {
 588         gui_syncsplash(HZ*2, ID2P(LANG_NO_FILES));
 589         return false;  /* No files found for rockbox_browser() */
 590     }
 591
 592     while(1) {
 593         struct entry *dircache = tc.dircache;
 594         bool restore = false;
 595         if (tc.dirlevel < 0)
 596           tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 597 #ifdef BOOTFILE
 598         if (boot_changed) {
 599             char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 600             struct text_message message={lines, 2};
 601             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 602                 rolo_load("/" BOOTFILE);
 603             restore = true;
 604             boot_changed = false;
 605         }
 606 #endif
 607         button = get_action(CONTEXT_TREE,HZ/5);
 608         oldbutton = button;
 609         need_update = gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 610         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 611         switch ( button ) {
 612             case ACTION_STD_OK:
 613                 /* nothing to do if no files to display */
 614                 if ( numentries == 0 )
 615                     break;
 616
 617 #ifdef HAVE_TAGCACHE
 618                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 619 #else
 620                 switch (ft_enter(&tc))
 621 #endif
 622                 {
 623                     case 1: reload_dir = true; break;
 624                     case 2: start_wps = true; break;
 625                     case 3: exit_func = true; break;
 626                     default: break;
 627                 }
 628                 restore = true;
 629                 break;
 630
 631             case ACTION_STD_CANCEL:
 632                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 633                     exit_func = true;
 634                     break;
 635                 }
 636                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 637                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 638                 {
 639 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 640                     if (oldbutton == ACTION_TREE_PGLEFT)
 641                         break;
 642                     else
 643 #endif
 644                         return GO_TO_ROOT;
 645                 }
 646
 647 #ifdef HAVE_TAGCACHE
 648                 if (id3db)
 649                     tagtree_exit(&tc);
 650                 else
 651 #endif
 652                     if (ft_exit(&tc) == 3)
 653                         exit_func = true;
 654
 655                 restore = true;
 656                 break;
 657
 658             case ACTION_TREE_STOP:
 659                 if (list_stop_handler())
 660                     restore = true;
 661                 break;
 662
 663             case ACTION_STD_MENU:
 664                 return GO_TO_ROOT;
 665                 break;
 666
 667 #ifdef HAVE_RECORDING
 668             case ACTION_STD_REC:
 669                 return GO_TO_RECSCREEN;
 670 #endif
 671
 672             case ACTION_TREE_WPS:
 673                 return GO_TO_PREVIOUS_MUSIC;
 674                 break;
 675 #ifdef HAVE_QUICKSCREEN
 676             case ACTION_STD_QUICKSCREEN:
 677                 /* don't enter f2 from plugin browser */
 678                 if (*tc.dirfilter < NUM_FILTER_MODES)
 679                 {
 680                     if (quick_screen_quick(button))
 681                         reload_dir = true;
 682                     restore = true;
 683                 }
 684                 break;
 685 #endif
 686 #ifdef BUTTON_F3
 687             case ACTION_F3:
 688                 /* don't enter f3 from plugin browser */
 689                 if (*tc.dirfilter < NUM_FILTER_MODES)
 690                 {
 691                     if (quick_screen_f3(BUTTON_F3))
 692                         reload_dir = true;
 693                     restore = true;
 694                 }
 695                 break;
 696 #endif
 697
 698             case ACTION_STD_CONTEXT:
 699             {
 700                 int onplay_result;
 701                 int attr = 0;
 702
 703                 if(!numentries)
 704                     onplay_result = onplay(NULL, 0, curr_context);
 705                 else {
 706 #ifdef HAVE_TAGCACHE
 707                     if (id3db)
 708                     {
 709                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 710                         {
 711                             attr = FILE_ATTR_AUDIO;
 712                             tagtree_get_filename(&tc, buf, sizeof(buf));
 713                         }
 714                         else
 715                             attr = ATTR_DIRECTORY;
 716                     }
 717                     else
 718 #endif
 719                     {
 720                         attr = dircache[tc.selected_item].attr;
 721
 722                         if (currdir[1]) /* Not in / */
 723                             snprintf(buf, sizeof buf, "%s/%s",
 724                                      currdir,
 725                                      dircache[tc.selected_item].name);
 726                         else /* In / */
 727                             snprintf(buf, sizeof buf, "/%s",
 728                                      dircache[tc.selected_item].name);
 729                     }
 730                     onplay_result = onplay(buf, attr, curr_context);
 731                 }
 732                 switch (onplay_result)
 733                 {
 734                     case ONPLAY_MAINMENU:
 735                         return GO_TO_ROOT;
 736
 737                     case ONPLAY_OK:
 738                         restore = true;
 739                         break;
 740
 741                     case ONPLAY_RELOAD_DIR:
 742                         reload_dir = true;
 743                         break;
 744
 745                     case ONPLAY_START_PLAY:
 746                         return GO_TO_WPS;
 747                         break;
 748                 }
 749                 break;
 750             }
 751
 752             case ACTION_NONE:
 753                 if (thumbnail_time != -1 &&
 754                     TIME_AFTER(current_tick, thumbnail_time))
 755                 {   /* a delayed hovering thumbnail is due now */
 756                     int res;
 757                     int attr;
 758                     char* name;
 759
 760 #ifdef HAVE_TAGCACHE
 761                     if (id3db)
 762                     {
 763                         attr = tagtree_get_attr(&tc);
 764                         name = tagtree_get_entry(&tc, lasti)->name;
 765                     }
 766                     else
 767 #endif
 768                     {
 769                         attr = dircache[lasti].attr;
 770                         name = dircache[lasti].name;
 771                     }
 772
 773                     if (attr & ATTR_DIRECTORY)
 774                     {
 775                         DEBUGF("Playing directory thumbnail: %s", currdir);
 776                         res = ft_play_dirname(name);
 777                         if (res < 0) /* failed, not existing */
 778                         {
 779                             /* say the number or spell if required as a fallback */
 780                             switch (global_settings.talk_dir)
 781                             {
 782                             case 1: /* dirs as numbers */
 783                                 talk_id(VOICE_DIR, false);
 784                                 talk_number(lasti+1, true);
 785                                 break;
 786
 787                             case 2: /* dirs spelled */
 788                                 talk_spell(name, false);
 789                                 break;
 790                             }
 791                         }
 792                     }
 793                     else
 794                     {
 795                         DEBUGF("Playing file thumbnail: %s/%s%s\n",
 796                                currdir, name,
 797                                file_thumbnail_ext);
 798                         /* no fallback necessary, we knew in advance
 799                            that the file exists */
 800                         ft_play_filename(currdir, name);
 801                     }
 802                     thumbnail_time = -1; /* job done */
 803                 }
 804                 gui_syncstatusbar_draw(&statusbars, false);
 805                 break;
 806
 807 #ifdef HAVE_HOTSWAP
 808             case SYS_FS_CHANGED:
 809 #ifdef HAVE_TAGCACHE
 810                 if (!id3db)
 811 #endif
 812                     reload_dir = true;
 813                 /* The 'dir no longer valid' situation will be caught later
 814                  * by checking the showdir() result. */
 815                 break;
 816 #endif
 817
 818             default:
 819                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 820                 {
 821                     if(*tc.dirfilter > NUM_FILTER_MODES)
 822                         /* leave sub-browsers after usb, doing otherwise
 823                            might be confusing to the user */
 824                         exit_func = true;
 825                     else
 826                         reload_dir = true;
 827                 }
 828                 break;
 829         }
 830         if (start_wps)
 831             return GO_TO_WPS;
 832         if ( button )
 833         {
 834             ata_spin();
 835         }
 836
 837
 838     check_rescan:
 839         /* do we need to rescan dir? */
 840         if (reload_dir || reload_root ||
 841             lastfilter != *tc.dirfilter ||
 842             lastsortcase != global_settings.sort_case)
 843         {
 844             if ( reload_root ) {
 845                 strcpy(currdir, "/");
 846                 tc.dirlevel = 0;
 847 #ifdef HAVE_TAGCACHE
 848                 tc.currtable = 0;
 849                 tc.currextra = 0;
 850                 lasttable = -1;
 851                 lastextra = -1;
 852 #endif
 853                 reload_root = false;
 854             }
 855
 856             if (! reload_dir )
 857             {
 858                 gui_synclist_select_item(&tree_lists, 0);
 859                 gui_synclist_draw(&tree_lists);
 860                 tc.selected_item = 0;
 861                 lastdir[0] = 0;
 862             }
 863
 864             lastfilter = *tc.dirfilter;
 865             lastsortcase = global_settings.sort_case;
 866             restore = true;
 867         }
 868
 869         if (exit_func)
 870             return GO_TO_PREVIOUS;
 871
 872         if (restore || reload_dir) {
 873             /* restore display */
 874             numentries = update_dir();
 875             if (currdir[1] && (numentries < 0))
 876             {   /* not in root and reload failed */
 877                 reload_root = true; /* try root */
 878                 reload_dir = false;
 879                 goto check_rescan;
 880             }
 881             need_update = true;
 882             reload_dir = false;
 883         }
 884
 885         if(need_update) {
 886             need_update=false;
 887             if ( numentries > 0 ) {
 888                 /* Voice the file if changed */
 889                 if(lasti != tc.selected_item || restore) {
 890                     int attr;
 891                     char* name;
 892
 893                     lasti = tc.selected_item;
 894                     thumbnail_time = -1; /* Cancel whatever we were
 895                                             about to say */
 896
 897 #ifdef HAVE_TAGCACHE
 898                     if (id3db)
 899                     {
 900                         attr = tagtree_get_attr(&tc);
 901                         name = tagtree_get_entry(&tc, tc.selected_item)->name;
 902                     }
 903                     else
 904 #endif
 905                     {
 906                         attr = dircache[tc.selected_item].attr;
 907                         name = dircache[tc.selected_item].name;
 908                     }
 909
 910                     /* Directory? */
 911                     if (attr & ATTR_DIRECTORY)
 912                     {
 913                         /* schedule thumbnail playback if required */
 914                         if (global_settings.talk_dir_clip)
 915                             thumbnail_time = current_tick + HOVER_DELAY;
 916                         else
 917                         {
 918                             /* talk directly */
 919                             switch (global_settings.talk_dir)
 920                             {
 921                             case 1: /* dirs as numbers */
 922                                 talk_id(VOICE_DIR, false);
 923                                 talk_number(tc.selected_item+1, true);
 924                                 break;
 925
 926                             case 2: /* dirs spelled */
 927                                 talk_spell(name, false);
 928                                 break;
 929                             }
 930                         }
 931                     }
 932                     else /* file */
 933                     {
 934                         /* schedule thumbnail playback if required */
 935                         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 936                             thumbnail_time = current_tick + HOVER_DELAY;
 937                         else
 938                         {
 939                             /* talk directly */
 940                             switch (global_settings.talk_file)
 941                             {
 942                             case 1: /* files as numbers */
 943                                 ft_play_filenumber(
 944                                     tc.selected_item-tc.dirsindir+1,
 945                                     attr & FILE_ATTR_MASK);
 946                                 break;
 947
 948                             case 2: /* files spelled */
 949                                 talk_spell(name, false);
 950                                 break;
 951                             }
 952                         }
 953                     }
 954                 }
 955             }
 956         }
 957     }
 958     return true;
 959 }
 960
 961 static int plsize = 0;
 962 static long pltick;
 963 static bool add_dir(char* dirname, int len, int fd)
 964 {
 965     bool abort = false;
 966     DIR* dir;
 967
 968     /* check for user abort */
 969     if (action_userabort(TIMEOUT_NOBLOCK))
 970         return true;
 971
 972     dir = opendir(dirname);
 973     if(!dir)
 974         return true;
 975
 976     while (true) {
 977         struct dirent *entry;
 978
 979         entry = readdir(dir);
 980         if (!entry)
 981             break;
 982         if (entry->attribute & ATTR_DIRECTORY) {
 983             int dirlen = strlen(dirname);
 984             bool result;
 985
 986             if (!strcmp((char *)entry->d_name, ".") ||
 987                 !strcmp((char *)entry->d_name, ".."))
 988                 continue;
 989
 990             if (dirname[1])
 991                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
 992             else
 993                 snprintf(dirname, len, "/%s", entry->d_name);
 994
 995             result = add_dir(dirname, len, fd);
 996             dirname[dirlen] = '\0';
 997             if (result) {
 998                 abort = true;
 999                 break;
1000             }
1001         }
1002         else {
1003             int x = strlen((char *)entry->d_name);
1004             int i;
1005             char *cp = strrchr((char *)entry->d_name,'.');
1006
1007             if (cp) {
1008                 cp++;
1009
1010                 /* add all supported audio files to playlists */
1011                 for (i=0; i < filetypes_count; i++) {
1012                     if (filetypes[i].tree_attr == FILE_ATTR_AUDIO) {
1013                         if (!strcasecmp(cp, filetypes[i].extension)) {
1014                             char buf[8];
1015                             int i;
1016                             write(fd, dirname, strlen(dirname));
1017                             write(fd, "/", 1);
1018                             write(fd, entry->d_name, x);
1019                             write(fd, "\n", 1);
1020
1021                             plsize++;
1022                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
1023                                 pltick = current_tick;
1024
1025                                 snprintf(buf, sizeof buf, "%d", plsize);
1026 #ifdef HAVE_LCD_BITMAP
1027                                 FOR_NB_SCREENS(i)
1028                                 {
1029                                     screens[i].puts(0, 4, (unsigned char *)buf);
1030                                     gui_textarea_update(&screens[i]);
1031                                 }
1032 #else
1033                                 x = 10;
1034                                 if (plsize > 999)
1035                                     x=7;
1036                                 else {
1037                                     if (plsize > 99)
1038                                         x=8;
1039                                     else {
1040                                         if (plsize > 9)
1041                                             x=9;
1042                                     }
1043                                 }
1044                                 FOR_NB_SCREENS(i) {
1045                                     screens[i].puts(x,0,buf);
1046                                 }
1047 #endif
1048                             }
1049                             break;
1050                         }
1051                     }
1052                 }
1053             }
1054         }
1055     }
1056     closedir(dir);
1057
1058     return abort;
1059 }
1060
1061 bool create_playlist(void)
1062 {
1063     int fd;
1064     int i;
1065     char filename[MAX_PATH];
1066
1067     pltick = current_tick;
1068
1069     snprintf(filename, sizeof filename, "%s.m3u8",
1070              tc.currdir[1] ? tc.currdir : "/root");
1071     FOR_NB_SCREENS(i)
1072     {
1073         gui_textarea_clear(&screens[i]);
1074         screens[i].puts(0, 0, str(LANG_CREATING));
1075         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1076 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1077         gui_textarea_update(&screens[i]);
1078 #endif
1079     }
1080     fd = creat(filename);
1081     if (fd < 0)
1082         return false;
1083
1084     trigger_cpu_boost();
1085
1086     snprintf(filename, sizeof(filename), "%s",
1087              tc.currdir[1] ? tc.currdir : "/");
1088     plsize = 0;
1089     add_dir(filename, sizeof(filename), fd);
1090     close(fd);
1091
1092     sleep(HZ);
1093
1094     return true;
1095 }
1096
1097 int rockbox_browse(const char *root, int dirfilter)
1098 {
1099     int ret_val = 0;
1100     int *last_filter = tc.dirfilter;
1101     tc.dirfilter = &dirfilter;
1102
1103     reload_dir = true;
1104     if (dirfilter >= NUM_FILTER_MODES)
1105     {
1106         static struct tree_context backup;
1107         int last_context;
1108
1109         backup = tc;
1110         tc.selected_item = 0;
1111         tc.dirlevel = 0;
1112         memcpy(tc.currdir, root, sizeof(tc.currdir));
1113         start_wps = false;
1114         last_context = curr_context;
1115
1116         ret_val = dirbrowse();
1117         tc = backup;
1118         curr_context = last_context;
1119     }
1120     else
1121     {
1122         static char buf[MAX_PATH];
1123         if (dirfilter != SHOW_ID3DB)
1124             tc.dirfilter = &global_settings.dirfilter;
1125         strcpy(buf,root);
1126         set_current_file(buf);
1127         ret_val = dirbrowse();
1128     }
1129     tc.dirfilter = last_filter;
1130     return ret_val;
1131 }
1132
1133 void tree_mem_init(void)
1134 {
1135     /* We copy the settings value in case it is changed by the user. We can't
1136        use it until the next reboot. */
1137     max_files = global_settings.max_files_in_dir;
1138
1139     /* initialize tree context struct */
1140     memset(&tc, 0, sizeof(tc));
1141     tc.dirfilter = &global_settings.dirfilter;
1142
1143     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1144     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1145
1146     tc.dircache_size = max_files * sizeof(struct entry);
1147     tc.dircache = buffer_alloc(tc.dircache_size);
1148     tree_get_filetypes(&filetypes, &filetypes_count);
1149 }
1150
1151 void bookmark_play(char *resume_file, int index, int offset, int seed,
1152                    char *filename)
1153 {
1154     int i;
1155     char* suffix = strrchr(resume_file, '.');
1156
1157     if (suffix != NULL &&
1158         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1159     {
1160         /* Playlist playback */
1161         char* slash;
1162         /* check that the file exists */
1163         int fd = open(resume_file, O_RDONLY);
1164         if(fd<0)
1165             return;
1166         close(fd);
1167
1168         slash = strrchr(resume_file,'/');
1169         if (slash)
1170         {
1171             char* cp;
1172             *slash=0;
1173
1174             cp=resume_file;
1175             if (!cp[0])
1176                 cp="/";
1177
1178             if (playlist_create(cp, slash+1) != -1)
1179             {
1180                 if (global_settings.playlist_shuffle)
1181                     playlist_shuffle(seed, -1);
1182                 playlist_start(index,offset);
1183             }
1184             *slash='/';
1185         }
1186     }
1187     else
1188     {
1189         /* Directory playback */
1190         lastdir[0]='\0';
1191         if (playlist_create(resume_file, NULL) != -1)
1192         {
1193             char* peek_filename;
1194             resume_directory(resume_file);
1195             if (global_settings.playlist_shuffle)
1196                 playlist_shuffle(seed, -1);
1197
1198             /* Check if the file is at the same spot in the directory,
1199                else search for it */
1200             peek_filename = playlist_peek(index);
1201
1202             if (peek_filename == NULL)
1203                 return;
1204
1205             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1206             {
1207                 for ( i=0; i < playlist_amount(); i++ )
1208                 {
1209                     peek_filename = playlist_peek(i);
1210
1211                     if (peek_filename == NULL)
1212                         return;
1213
1214                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1215                         break;
1216                 }
1217                 if (i < playlist_amount())
1218                     index = i;
1219                 else
1220                     return;
1221             }
1222             playlist_start(index,offset);
1223         }
1224     }
1225
1226     start_wps=true;
1227 }
1228
1229 static int ft_play_filenumber(int pos, int attr)
1230 {
1231     /* try to find a voice ID for the extension, if known */
1232     int j;
1233     int ext_id = -1; /* default to none */
1234     for (j=0; j<filetypes_count; j++)
1235     {
1236         if (attr == filetypes[j].tree_attr)
1237         {
1238             ext_id = filetypes[j].voiceclip;
1239             break;
1240         }
1241     }
1242
1243     talk_id(VOICE_FILE, false);
1244     talk_number(pos, true);
1245     talk_id(ext_id, true);
1246     return 1;
1247 }
1248
1249 static int ft_play_dirname(char* name)
1250 {
1251     int fd;
1252     char dirname_mp3_filename[MAX_PATH+1];
1253
1254 #if CONFIG_CODEC != SWCODEC
1255     if (audio_status() & AUDIO_STATUS_PLAY)
1256         return 0;
1257 #endif
1258
1259     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1260              tc.currdir[1] ? tc.currdir : "" , name,
1261              dir_thumbnail_name);
1262
1263     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1264
1265     fd = open(dirname_mp3_filename, O_RDONLY);
1266     if (fd < 0)
1267     {
1268         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1269         return -1;
1270     }
1271
1272     close(fd);
1273
1274     DEBUGF("Found: %s\n", dirname_mp3_filename);
1275
1276     talk_file(dirname_mp3_filename, false);
1277     return 1;
1278 }
1279
1280 static void ft_play_filename(char *dir, char *file)
1281 {
1282     char name_mp3_filename[MAX_PATH+1];
1283
1284 #if CONFIG_CODEC != SWCODEC
1285     if (audio_status() & AUDIO_STATUS_PLAY)
1286         return;
1287 #endif
1288
1289     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1290                     file_thumbnail_ext))
1291     {   /* file has no .talk extension */
1292         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1293                  "%s/%s%s", dir, file, file_thumbnail_ext);
1294
1295         talk_file(name_mp3_filename, false);
1296     }
1297     else
1298     {   /* it already is a .talk file, play this directly */
1299         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1300             "%s/%s", dir, file);
1301         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1302         talk_file(name_mp3_filename, true);
1303     }
1304 }
1305
1306 /* These two functions are called by the USB and shutdown handlers */
1307 void tree_flush(void)
1308 {
1309     scrobbler_shutdown();
1310 #ifdef HAVE_TAGCACHE
1311     tagcache_shutdown();
1312 #endif
1313     playlist_shutdown();
1314
1315 #ifdef HAVE_TC_RAMCACHE
1316     tagcache_unload_ramcache();
1317 #endif
1318
1319 #ifdef HAVE_DIRCACHE
1320     {
1321         int old_val = global_status.dircache_size;
1322         if (global_settings.dircache)
1323         {
1324             if (!dircache_is_initializing())
1325                 global_status.dircache_size = dircache_get_cache_size();
1326 # ifdef HAVE_EEPROM_SETTINGS
1327             if (firmware_settings.initialized)
1328                 dircache_save();
1329 # endif
1330             dircache_disable();
1331         }
1332         else
1333         {
1334             global_status.dircache_size = 0;
1335         }
1336         if (old_val != global_status.dircache_size)
1337             status_save();
1338     }
1339 #endif
1340 }
1341
1342 void tree_restore(void)
1343 {
1344 #ifdef HAVE_EEPROM_SETTINGS
1345     firmware_settings.disk_clean = false;
1346 #endif
1347
1348 #ifdef HAVE_TC_RAMCACHE
1349     remove(TAGCACHE_STATEFILE);
1350 #endif
1351
1352 #ifdef HAVE_DIRCACHE
1353     remove(DIRCACHE_FILE);
1354     if (global_settings.dircache)
1355     {
1356         /* Print "Scanning disk..." to the display. */
1357         int i;
1358         FOR_NB_SCREENS(i)
1359         {
1360             screens[i].putsxy((LCD_WIDTH/2) -
1361                               ((strlen(str(LANG_SCANNING_DISK)) *
1362                                 screens[i].char_width)/2),
1363                               LCD_HEIGHT-screens[i].char_height*3,
1364                               str(LANG_SCANNING_DISK));
1365             gui_textarea_update(&screens[i]);
1366         }
1367         cond_talk_ids_fq(LANG_SCANNING_DISK);
1368
1369         dircache_build(global_status.dircache_size);
1370
1371         /* Clean the text when we are done. */
1372         FOR_NB_SCREENS(i)
1373         {
1374             gui_textarea_clear(&screens[i]);
1375         }
1376     }
1377 #endif
1378 #ifdef HAVE_TAGCACHE
1379     tagcache_start_scan();
1380 #endif
1381     scrobbler_init();
1382 }