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, returned_button;
 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         returned_button = gui_synclist_do_button(&tree_lists, button,LIST_WRAP_UNLESS_HELD);
 609         if (returned_button)
 610             need_update = true;
 611         if (returned_button == ACTION_STD_CANCEL)
 612             button = ACTION_STD_CANCEL;
 613
 614         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 615         switch ( button ) {
 616             case ACTION_STD_OK:
 617                 /* nothing to do if no files to display */
 618                 if ( numentries == 0 )
 619                     break;
 620
 621 #ifdef HAVE_TAGCACHE
 622                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 623 #else
 624                 switch (ft_enter(&tc))
 625 #endif
 626                 {
 627                     case 1: reload_dir = true; break;
 628                     case 2: start_wps = true; break;
 629                     case 3: exit_func = true; break;
 630                     default: break;
 631                 }
 632                 restore = true;
 633                 break;
 634
 635             case ACTION_STD_CANCEL:
 636                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 637                     exit_func = true;
 638                     break;
 639                 }
 640                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 641                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 642                 {
 643                     if (returned_button == ACTION_STD_CANCEL)
 644                         break;
 645                     else
 646                         return GO_TO_ROOT;
 647                 }
 648
 649 #ifdef HAVE_TAGCACHE
 650                 if (id3db)
 651                     tagtree_exit(&tc);
 652                 else
 653 #endif
 654                     if (ft_exit(&tc) == 3)
 655                         exit_func = true;
 656
 657                 restore = true;
 658                 break;
 659
 660             case ACTION_TREE_STOP:
 661                 if (list_stop_handler())
 662                     restore = true;
 663                 break;
 664
 665             case ACTION_STD_MENU:
 666                 return GO_TO_ROOT;
 667                 break;
 668
 669 #ifdef HAVE_RECORDING
 670             case ACTION_STD_REC:
 671                 return GO_TO_RECSCREEN;
 672 #endif
 673
 674             case ACTION_TREE_WPS:
 675                 return GO_TO_PREVIOUS_MUSIC;
 676                 break;
 677 #ifdef HAVE_QUICKSCREEN
 678             case ACTION_STD_QUICKSCREEN:
 679                 /* don't enter f2 from plugin browser */
 680                 if (*tc.dirfilter < NUM_FILTER_MODES)
 681                 {
 682                     if (quick_screen_quick(button))
 683                         reload_dir = true;
 684                     restore = true;
 685                 }
 686                 break;
 687 #endif
 688 #ifdef BUTTON_F3
 689             case ACTION_F3:
 690                 /* don't enter f3 from plugin browser */
 691                 if (*tc.dirfilter < NUM_FILTER_MODES)
 692                 {
 693                     if (quick_screen_f3(BUTTON_F3))
 694                         reload_dir = true;
 695                     restore = true;
 696                 }
 697                 break;
 698 #endif
 699
 700             case ACTION_STD_CONTEXT:
 701             {
 702                 int onplay_result;
 703                 int attr = 0;
 704
 705                 if(!numentries)
 706                     onplay_result = onplay(NULL, 0, curr_context);
 707                 else {
 708 #ifdef HAVE_TAGCACHE
 709                     if (id3db)
 710                     {
 711                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 712                         {
 713                             attr = FILE_ATTR_AUDIO;
 714                             tagtree_get_filename(&tc, buf, sizeof(buf));
 715                         }
 716                         else
 717                             attr = ATTR_DIRECTORY;
 718                     }
 719                     else
 720 #endif
 721                     {
 722                         attr = dircache[tc.selected_item].attr;
 723
 724                         if (currdir[1]) /* Not in / */
 725                             snprintf(buf, sizeof buf, "%s/%s",
 726                                      currdir,
 727                                      dircache[tc.selected_item].name);
 728                         else /* In / */
 729                             snprintf(buf, sizeof buf, "/%s",
 730                                      dircache[tc.selected_item].name);
 731                     }
 732                     onplay_result = onplay(buf, attr, curr_context);
 733                 }
 734                 switch (onplay_result)
 735                 {
 736                     case ONPLAY_MAINMENU:
 737                         return GO_TO_ROOT;
 738
 739                     case ONPLAY_OK:
 740                         restore = true;
 741                         break;
 742
 743                     case ONPLAY_RELOAD_DIR:
 744                         reload_dir = true;
 745                         break;
 746
 747                     case ONPLAY_START_PLAY:
 748                         return GO_TO_WPS;
 749                         break;
 750                 }
 751                 break;
 752             }
 753
 754             case ACTION_NONE:
 755                 if (thumbnail_time != -1 &&
 756                     TIME_AFTER(current_tick, thumbnail_time))
 757                 {   /* a delayed hovering thumbnail is due now */
 758                     int res;
 759                     int attr;
 760                     char* name;
 761
 762 #ifdef HAVE_TAGCACHE
 763                     if (id3db)
 764                     {
 765                         attr = tagtree_get_attr(&tc);
 766                         name = tagtree_get_entry(&tc, lasti)->name;
 767                     }
 768                     else
 769 #endif
 770                     {
 771                         attr = dircache[lasti].attr;
 772                         name = dircache[lasti].name;
 773                     }
 774
 775                     if (attr & ATTR_DIRECTORY)
 776                     {
 777                         DEBUGF("Playing directory thumbnail: %s", currdir);
 778                         res = ft_play_dirname(name);
 779                         if (res < 0) /* failed, not existing */
 780                         {
 781                             /* say the number or spell if required as a fallback */
 782                             switch (global_settings.talk_dir)
 783                             {
 784                             case 1: /* dirs as numbers */
 785                                 talk_id(VOICE_DIR, false);
 786                                 talk_number(lasti+1, true);
 787                                 break;
 788
 789                             case 2: /* dirs spelled */
 790                                 talk_spell(name, false);
 791                                 break;
 792                             }
 793                         }
 794                     }
 795                     else
 796                     {
 797                         DEBUGF("Playing file thumbnail: %s/%s%s\n",
 798                                currdir, name,
 799                                file_thumbnail_ext);
 800                         /* no fallback necessary, we knew in advance
 801                            that the file exists */
 802                         ft_play_filename(currdir, name);
 803                     }
 804                     thumbnail_time = -1; /* job done */
 805                 }
 806                 gui_syncstatusbar_draw(&statusbars, false);
 807                 break;
 808
 809 #ifdef HAVE_HOTSWAP
 810             case SYS_FS_CHANGED:
 811 #ifdef HAVE_TAGCACHE
 812                 if (!id3db)
 813 #endif
 814                     reload_dir = true;
 815                 /* The 'dir no longer valid' situation will be caught later
 816                  * by checking the showdir() result. */
 817                 break;
 818 #endif
 819
 820             default:
 821                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 822                 {
 823                     if(*tc.dirfilter > NUM_FILTER_MODES)
 824                         /* leave sub-browsers after usb, doing otherwise
 825                            might be confusing to the user */
 826                         exit_func = true;
 827                     else
 828                         reload_dir = true;
 829                 }
 830                 break;
 831         }
 832         if (start_wps)
 833             return GO_TO_WPS;
 834         if ( button )
 835         {
 836             ata_spin();
 837         }
 838
 839
 840     check_rescan:
 841         /* do we need to rescan dir? */
 842         if (reload_dir || reload_root ||
 843             lastfilter != *tc.dirfilter ||
 844             lastsortcase != global_settings.sort_case)
 845         {
 846             if ( reload_root ) {
 847                 strcpy(currdir, "/");
 848                 tc.dirlevel = 0;
 849 #ifdef HAVE_TAGCACHE
 850                 tc.currtable = 0;
 851                 tc.currextra = 0;
 852                 lasttable = -1;
 853                 lastextra = -1;
 854 #endif
 855                 reload_root = false;
 856             }
 857
 858             if (! reload_dir )
 859             {
 860                 gui_synclist_select_item(&tree_lists, 0);
 861                 gui_synclist_draw(&tree_lists);
 862                 tc.selected_item = 0;
 863                 lastdir[0] = 0;
 864             }
 865
 866             lastfilter = *tc.dirfilter;
 867             lastsortcase = global_settings.sort_case;
 868             restore = true;
 869         }
 870
 871         if (exit_func)
 872             return GO_TO_PREVIOUS;
 873
 874         if (restore || reload_dir) {
 875             /* restore display */
 876             numentries = update_dir();
 877             if (currdir[1] && (numentries < 0))
 878             {   /* not in root and reload failed */
 879                 reload_root = true; /* try root */
 880                 reload_dir = false;
 881                 goto check_rescan;
 882             }
 883             need_update = true;
 884             reload_dir = false;
 885         }
 886
 887         if(need_update) {
 888             need_update=false;
 889             if ( numentries > 0 ) {
 890                 /* Voice the file if changed */
 891                 if(lasti != tc.selected_item || restore) {
 892                     int attr;
 893                     char* name;
 894
 895                     lasti = tc.selected_item;
 896                     thumbnail_time = -1; /* Cancel whatever we were
 897                                             about to say */
 898
 899 #ifdef HAVE_TAGCACHE
 900                     if (id3db)
 901                     {
 902                         attr = tagtree_get_attr(&tc);
 903                         name = tagtree_get_entry(&tc, tc.selected_item)->name;
 904                     }
 905                     else
 906 #endif
 907                     {
 908                         attr = dircache[tc.selected_item].attr;
 909                         name = dircache[tc.selected_item].name;
 910                     }
 911
 912                     /* Directory? */
 913                     if (attr & ATTR_DIRECTORY)
 914                     {
 915                         /* schedule thumbnail playback if required */
 916                         if (global_settings.talk_dir_clip)
 917                             thumbnail_time = current_tick + HOVER_DELAY;
 918                         else
 919                         {
 920                             /* talk directly */
 921                             switch (global_settings.talk_dir)
 922                             {
 923                             case 1: /* dirs as numbers */
 924                                 talk_id(VOICE_DIR, false);
 925                                 talk_number(tc.selected_item+1, true);
 926                                 break;
 927
 928                             case 2: /* dirs spelled */
 929                                 talk_spell(name, false);
 930                                 break;
 931                             }
 932                         }
 933                     }
 934                     else /* file */
 935                     {
 936                         /* schedule thumbnail playback if required */
 937                         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 938                             thumbnail_time = current_tick + HOVER_DELAY;
 939                         else
 940                         {
 941                             /* talk directly */
 942                             switch (global_settings.talk_file)
 943                             {
 944                             case 1: /* files as numbers */
 945                                 ft_play_filenumber(
 946                                     tc.selected_item-tc.dirsindir+1,
 947                                     attr & FILE_ATTR_MASK);
 948                                 break;
 949
 950                             case 2: /* files spelled */
 951                                 talk_spell(name, false);
 952                                 break;
 953                             }
 954                         }
 955                     }
 956                 }
 957             }
 958         }
 959     }
 960     return true;
 961 }
 962
 963 static int plsize = 0;
 964 static long pltick;
 965 static bool add_dir(char* dirname, int len, int fd)
 966 {
 967     bool abort = false;
 968     DIR* dir;
 969
 970     /* check for user abort */
 971     if (action_userabort(TIMEOUT_NOBLOCK))
 972         return true;
 973
 974     dir = opendir(dirname);
 975     if(!dir)
 976         return true;
 977
 978     while (true) {
 979         struct dirent *entry;
 980
 981         entry = readdir(dir);
 982         if (!entry)
 983             break;
 984         if (entry->attribute & ATTR_DIRECTORY) {
 985             int dirlen = strlen(dirname);
 986             bool result;
 987
 988             if (!strcmp((char *)entry->d_name, ".") ||
 989                 !strcmp((char *)entry->d_name, ".."))
 990                 continue;
 991
 992             if (dirname[1])
 993                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
 994             else
 995                 snprintf(dirname, len, "/%s", entry->d_name);
 996
 997             result = add_dir(dirname, len, fd);
 998             dirname[dirlen] = '\0';
 999             if (result) {
1000                 abort = true;
1001                 break;
1002             }
1003         }
1004         else {
1005             int x = strlen((char *)entry->d_name);
1006             int i;
1007             char *cp = strrchr((char *)entry->d_name,'.');
1008
1009             if (cp) {
1010                 cp++;
1011
1012                 /* add all supported audio files to playlists */
1013                 for (i=0; i < filetypes_count; i++) {
1014                     if (filetypes[i].tree_attr == FILE_ATTR_AUDIO) {
1015                         if (!strcasecmp(cp, filetypes[i].extension)) {
1016                             char buf[8];
1017                             int i;
1018                             write(fd, dirname, strlen(dirname));
1019                             write(fd, "/", 1);
1020                             write(fd, entry->d_name, x);
1021                             write(fd, "\n", 1);
1022
1023                             plsize++;
1024                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
1025                                 pltick = current_tick;
1026
1027                                 snprintf(buf, sizeof buf, "%d", plsize);
1028 #ifdef HAVE_LCD_BITMAP
1029                                 FOR_NB_SCREENS(i)
1030                                 {
1031                                     screens[i].puts(0, 4, (unsigned char *)buf);
1032                                     gui_textarea_update(&screens[i]);
1033                                 }
1034 #else
1035                                 x = 10;
1036                                 if (plsize > 999)
1037                                     x=7;
1038                                 else {
1039                                     if (plsize > 99)
1040                                         x=8;
1041                                     else {
1042                                         if (plsize > 9)
1043                                             x=9;
1044                                     }
1045                                 }
1046                                 FOR_NB_SCREENS(i) {
1047                                     screens[i].puts(x,0,buf);
1048                                 }
1049 #endif
1050                             }
1051                             break;
1052                         }
1053                     }
1054                 }
1055             }
1056         }
1057     }
1058     closedir(dir);
1059
1060     return abort;
1061 }
1062
1063 bool create_playlist(void)
1064 {
1065     int fd;
1066     int i;
1067     char filename[MAX_PATH];
1068
1069     pltick = current_tick;
1070
1071     snprintf(filename, sizeof filename, "%s.m3u8",
1072              tc.currdir[1] ? tc.currdir : "/root");
1073     FOR_NB_SCREENS(i)
1074     {
1075         gui_textarea_clear(&screens[i]);
1076         screens[i].puts(0, 0, str(LANG_CREATING));
1077         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1078 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1079         gui_textarea_update(&screens[i]);
1080 #endif
1081     }
1082     fd = creat(filename);
1083     if (fd < 0)
1084         return false;
1085
1086     trigger_cpu_boost();
1087
1088     snprintf(filename, sizeof(filename), "%s",
1089              tc.currdir[1] ? tc.currdir : "/");
1090     plsize = 0;
1091     add_dir(filename, sizeof(filename), fd);
1092     close(fd);
1093
1094     sleep(HZ);
1095
1096     return true;
1097 }
1098
1099 int rockbox_browse(const char *root, int dirfilter)
1100 {
1101     int ret_val = 0;
1102     int *last_filter = tc.dirfilter;
1103     tc.dirfilter = &dirfilter;
1104
1105     reload_dir = true;
1106     if (dirfilter >= NUM_FILTER_MODES)
1107     {
1108         static struct tree_context backup;
1109         int last_context;
1110
1111         backup = tc;
1112         tc.selected_item = 0;
1113         tc.dirlevel = 0;
1114         memcpy(tc.currdir, root, sizeof(tc.currdir));
1115         start_wps = false;
1116         last_context = curr_context;
1117
1118         ret_val = dirbrowse();
1119         tc = backup;
1120         curr_context = last_context;
1121     }
1122     else
1123     {
1124         static char buf[MAX_PATH];
1125         if (dirfilter != SHOW_ID3DB)
1126             tc.dirfilter = &global_settings.dirfilter;
1127         strcpy(buf,root);
1128         set_current_file(buf);
1129         ret_val = dirbrowse();
1130     }
1131     tc.dirfilter = last_filter;
1132     return ret_val;
1133 }
1134
1135 void tree_mem_init(void)
1136 {
1137     /* We copy the settings value in case it is changed by the user. We can't
1138        use it until the next reboot. */
1139     max_files = global_settings.max_files_in_dir;
1140
1141     /* initialize tree context struct */
1142     memset(&tc, 0, sizeof(tc));
1143     tc.dirfilter = &global_settings.dirfilter;
1144
1145     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1146     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1147
1148     tc.dircache_size = max_files * sizeof(struct entry);
1149     tc.dircache = buffer_alloc(tc.dircache_size);
1150     tree_get_filetypes(&filetypes, &filetypes_count);
1151 }
1152
1153 void bookmark_play(char *resume_file, int index, int offset, int seed,
1154                    char *filename)
1155 {
1156     int i;
1157     char* suffix = strrchr(resume_file, '.');
1158
1159     if (suffix != NULL &&
1160         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1161     {
1162         /* Playlist playback */
1163         char* slash;
1164         /* check that the file exists */
1165         int fd = open(resume_file, O_RDONLY);
1166         if(fd<0)
1167             return;
1168         close(fd);
1169
1170         slash = strrchr(resume_file,'/');
1171         if (slash)
1172         {
1173             char* cp;
1174             *slash=0;
1175
1176             cp=resume_file;
1177             if (!cp[0])
1178                 cp="/";
1179
1180             if (playlist_create(cp, slash+1) != -1)
1181             {
1182                 if (global_settings.playlist_shuffle)
1183                     playlist_shuffle(seed, -1);
1184                 playlist_start(index,offset);
1185             }
1186             *slash='/';
1187         }
1188     }
1189     else
1190     {
1191         /* Directory playback */
1192         lastdir[0]='\0';
1193         if (playlist_create(resume_file, NULL) != -1)
1194         {
1195             char* peek_filename;
1196             resume_directory(resume_file);
1197             if (global_settings.playlist_shuffle)
1198                 playlist_shuffle(seed, -1);
1199
1200             /* Check if the file is at the same spot in the directory,
1201                else search for it */
1202             peek_filename = playlist_peek(index);
1203
1204             if (peek_filename == NULL)
1205                 return;
1206
1207             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1208             {
1209                 for ( i=0; i < playlist_amount(); i++ )
1210                 {
1211                     peek_filename = playlist_peek(i);
1212
1213                     if (peek_filename == NULL)
1214                         return;
1215
1216                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1217                         break;
1218                 }
1219                 if (i < playlist_amount())
1220                     index = i;
1221                 else
1222                     return;
1223             }
1224             playlist_start(index,offset);
1225         }
1226     }
1227
1228     start_wps=true;
1229 }
1230
1231 static int ft_play_filenumber(int pos, int attr)
1232 {
1233     /* try to find a voice ID for the extension, if known */
1234     int j;
1235     int ext_id = -1; /* default to none */
1236     for (j=0; j<filetypes_count; j++)
1237     {
1238         if (attr == filetypes[j].tree_attr)
1239         {
1240             ext_id = filetypes[j].voiceclip;
1241             break;
1242         }
1243     }
1244
1245     talk_id(VOICE_FILE, false);
1246     talk_number(pos, true);
1247     talk_id(ext_id, true);
1248     return 1;
1249 }
1250
1251 static int ft_play_dirname(char* name)
1252 {
1253     int fd;
1254     char dirname_mp3_filename[MAX_PATH+1];
1255
1256 #if CONFIG_CODEC != SWCODEC
1257     if (audio_status() & AUDIO_STATUS_PLAY)
1258         return 0;
1259 #endif
1260
1261     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1262              tc.currdir[1] ? tc.currdir : "" , name,
1263              dir_thumbnail_name);
1264
1265     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1266
1267     fd = open(dirname_mp3_filename, O_RDONLY);
1268     if (fd < 0)
1269     {
1270         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1271         return -1;
1272     }
1273
1274     close(fd);
1275
1276     DEBUGF("Found: %s\n", dirname_mp3_filename);
1277
1278     talk_file(dirname_mp3_filename, false);
1279     return 1;
1280 }
1281
1282 static void ft_play_filename(char *dir, char *file)
1283 {
1284     char name_mp3_filename[MAX_PATH+1];
1285
1286 #if CONFIG_CODEC != SWCODEC
1287     if (audio_status() & AUDIO_STATUS_PLAY)
1288         return;
1289 #endif
1290
1291     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1292                     file_thumbnail_ext))
1293     {   /* file has no .talk extension */
1294         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1295                  "%s/%s%s", dir, file, file_thumbnail_ext);
1296
1297         talk_file(name_mp3_filename, false);
1298     }
1299     else
1300     {   /* it already is a .talk file, play this directly */
1301         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1302             "%s/%s", dir, file);
1303         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1304         talk_file(name_mp3_filename, true);
1305     }
1306 }
1307
1308 /* These two functions are called by the USB and shutdown handlers */
1309 void tree_flush(void)
1310 {
1311     scrobbler_shutdown();
1312 #ifdef HAVE_TAGCACHE
1313     tagcache_shutdown();
1314 #endif
1315     playlist_shutdown();
1316
1317 #ifdef HAVE_TC_RAMCACHE
1318     tagcache_unload_ramcache();
1319 #endif
1320
1321 #ifdef HAVE_DIRCACHE
1322     {
1323         int old_val = global_status.dircache_size;
1324         if (global_settings.dircache)
1325         {
1326             global_status.dircache_size = dircache_get_cache_size();
1327 # ifdef HAVE_EEPROM_SETTINGS
1328             if (firmware_settings.initialized)
1329                 dircache_save();
1330 # endif
1331             dircache_disable();
1332         }
1333         else
1334         {
1335             global_status.dircache_size = 0;
1336         }
1337         if (old_val != global_status.dircache_size)
1338             status_save();
1339     }
1340 #endif
1341 }
1342
1343 void tree_restore(void)
1344 {
1345 #ifdef HAVE_EEPROM_SETTINGS
1346     firmware_settings.disk_clean = false;
1347 #endif
1348
1349 #ifdef HAVE_TC_RAMCACHE
1350     remove(TAGCACHE_STATEFILE);
1351 #endif
1352
1353 #ifdef HAVE_DIRCACHE
1354     remove(DIRCACHE_FILE);
1355     if (global_settings.dircache)
1356     {
1357         /* Print "Scanning disk..." to the display. */
1358         int i;
1359         FOR_NB_SCREENS(i)
1360         {
1361             screens[i].putsxy((LCD_WIDTH/2) -
1362                               ((strlen(str(LANG_SCANNING_DISK)) *
1363                                 screens[i].char_width)/2),
1364                               LCD_HEIGHT-screens[i].char_height*3,
1365                               str(LANG_SCANNING_DISK));
1366             gui_textarea_update(&screens[i]);
1367         }
1368         cond_talk_ids_fq(LANG_SCANNING_DISK);
1369
1370         dircache_build(global_status.dircache_size);
1371
1372         /* Clean the text when we are done. */
1373         FOR_NB_SCREENS(i)
1374         {
1375             gui_textarea_clear(&screens[i]);
1376         }
1377     }
1378 #endif
1379 #ifdef HAVE_TAGCACHE
1380     tagcache_start_scan();
1381 #endif
1382     scrobbler_init();
1383 }