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  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include <stdbool.h>
  25
  26 #include "applimits.h"
  27 #include "dir.h"
  28 #include "file.h"
  29 #include "lcd.h"
  30 #include "font.h"
  31 #include "backlight.h"
  32 #include "button.h"
  33 #include "kernel.h"
  34 #include "usb.h"
  35 #include "tree.h"
  36 #include "sprintf.h"
  37 #include "audio.h"
  38 #include "playlist.h"
  39 #include "menu.h"
  40 #include "gwps.h"
  41 #include "settings.h"
  42 #include "status.h"
  43 #include "debug.h"
  44 #include "ata.h"
  45 #include "rolo.h"
  46 #include "icons.h"
  47 #include "lang.h"
  48 #include "language.h"
  49 #include "screens.h"
  50 #include "keyboard.h"
  51 #include "bookmark.h"
  52 #include "onplay.h"
  53 #include "buffer.h"
  54 #include "power.h"
  55 #include "action.h"
  56 #include "talk.h"
  57 #include "filetypes.h"
  58 #include "misc.h"
  59 #include "filetree.h"
  60 #include "tagtree.h"
  61 #ifdef HAVE_RECORDING
  62 #include "recorder/recording.h"
  63 #endif
  64 #include "rtc.h"
  65 #include "dircache.h"
  66 #ifdef HAVE_TAGCACHE
  67 #include "tagcache.h"
  68 #endif
  69 #include "yesno.h"
  70 #include "gwps-common.h"
  71 #include "eeprom_settings.h"
  72 #include "scrobbler.h"
  73 #include "playlist_catalog.h"
  74
  75 /* gui api */
  76 #include "list.h"
  77 #include "statusbar.h"
  78 #include "splash.h"
  79 #include "buttonbar.h"
  80 #include "action.h"
  81 #include "quickscreen.h"
  82
  83 #include "root_menu.h"
  84 #include "backdrop.h"
  85
  86 static const struct filetype *filetypes;
  87 static int filetypes_count;
  88
  89 struct gui_synclist tree_lists;
  90
  91 /* I put it here because other files doesn't use it yet,
  92  * but should be elsewhere since it will be used mostly everywhere */
  93 #ifdef HAVE_BUTTONBAR
  94 struct gui_buttonbar tree_buttonbar;
  95 #endif
  96 static struct tree_context tc;
  97
  98 bool boot_changed = false;
  99
 100 char lastfile[MAX_PATH];
 101 static char lastdir[MAX_PATH];
 102 #ifdef HAVE_TAGCACHE
 103 static int lasttable, lastextra, lastfirstpos;
 104 #endif
 105 static int max_files = 0;
 106
 107 static bool reload_dir = false;
 108
 109 static bool start_wps = false;
 110 static int curr_context = false;/* id3db or tree*/
 111
 112 static int dirbrowse(void);
 113 static int ft_play_dirname(char* name);
 114 static void ft_play_filename(char *dir, char *file);
 115 static void say_filetype(int attr);
 116
 117 static char * tree_get_filename(int selected_item, void *data,
 118                                 char *buffer, size_t buffer_len)
 119 {
 120     struct tree_context * local_tc=(struct tree_context *)data;
 121     char *name;
 122     int attr=0;
 123     bool stripit = false;
 124 #ifdef HAVE_TAGCACHE
 125     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 126
 127     if (id3db)
 128     {
 129         return tagtree_get_entry(&tc, selected_item)->name;
 130     }
 131     else
 132 #endif
 133     {
 134         struct entry* dc = local_tc->dircache;
 135         struct entry* e = &dc[selected_item];
 136         name = e->name;
 137         attr = e->attr;
 138     }
 139
 140     if(!(attr & ATTR_DIRECTORY))
 141     {
 142         switch(global_settings.show_filename_ext)
 143         {
 144             case 0:
 145                 /* show file extension: off */
 146                 stripit = true;
 147                 break;
 148             case 1:
 149                 /* show file extension: on */
 150                 break;
 151             case 2:
 152                 /* show file extension: only unknown types */
 153                 stripit = filetype_supported(attr);
 154                 break;
 155             case 3:
 156             default:
 157                 /* show file extension: only when viewing all */
 158                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 159                           (*(local_tc->dirfilter) != SHOW_ALL);
 160                 break;
 161         }
 162     }
 163
 164     if(stripit)
 165     {
 166         return(strip_extension(buffer, buffer_len, name));
 167     }
 168     return(name);
 169 }
 170
 171 #ifdef HAVE_LCD_COLOR
 172 static int tree_get_filecolor(int selected_item, void * data)
 173 {
 174     if (*tc.dirfilter == SHOW_ID3DB)
 175         return -1;
 176     struct tree_context * local_tc=(struct tree_context *)data;
 177     struct entry* dc = local_tc->dircache;
 178     struct entry* e = &dc[selected_item];
 179     return filetype_get_color(e->name, e->attr);
 180 }
 181 #endif
 182
 183 static int tree_get_fileicon(int selected_item, void * data)
 184 {
 185     struct tree_context * local_tc=(struct tree_context *)data;
 186 #ifdef HAVE_TAGCACHE
 187     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 188     if (id3db) {
 189         return tagtree_get_icon(&tc);
 190     }
 191     else
 192 #endif
 193         {
 194         struct entry* dc = local_tc->dircache;
 195         struct entry* e = &dc[selected_item];
 196         return filetype_get_icon(e->attr);
 197     }
 198 }
 199
 200 static int tree_voice_cb(int selected_item, void * data)
 201 {
 202     struct tree_context * local_tc=(struct tree_context *)data;
 203     char *name;
 204     int attr=0;
 205 #ifdef HAVE_TAGCACHE
 206     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 207
 208     if (id3db)
 209     {
 210         attr = tagtree_get_attr(local_tc);
 211         name = tagtree_get_entry(local_tc, selected_item)->name;
 212     }
 213     else
 214 #endif
 215     {
 216         struct entry* dc = local_tc->dircache;
 217         struct entry* e = &dc[selected_item];
 218         name = e->name;
 219         attr = e->attr;
 220     }
 221     bool is_dir = (attr & ATTR_DIRECTORY);
 222     bool did_clip = false;
 223     /* First the .talk clip case */
 224     if(is_dir)
 225     {
 226         if(global_settings.talk_dir_clip)
 227         {
 228             DEBUGF("Playing directory thumbnail: %s", local_tc->currdir);
 229             did_clip = true;
 230             if(ft_play_dirname(name) <0)
 231                 /* failed, not existing */
 232                 did_clip = false;
 233         }
 234     } else { /* it's a file */
 235         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 236         {
 237             did_clip = true;
 238             DEBUGF("Playing file thumbnail: %s/%s%s\n",
 239                    local_tc->currdir, name, file_thumbnail_ext);
 240             ft_play_filename(local_tc->currdir, name);
 241         }
 242     }
 243     if(!did_clip)
 244     {
 245         /* say the number or spell if required or as a fallback */
 246         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 247         {
 248         case 1: /* as numbers */
 249             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 250             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 251                         true);
 252             if(global_settings.talk_filetype
 253                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 254                 say_filetype(attr);
 255             break;
 256         case 2: /* spelled */
 257             talk_shutup();
 258             if(global_settings.talk_filetype)
 259             {
 260                 if(is_dir)
 261                     talk_id(VOICE_DIR, true);
 262                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 263                     say_filetype(attr);
 264             }
 265             talk_spell(name, true);
 266             break;
 267         }
 268     }
 269     return 0;
 270 }
 271
 272 bool check_rockboxdir(void)
 273 {
 274     if(!dir_exists(ROCKBOX_DIR))
 275     {   /* No need to localise this message.
 276            If .rockbox is missing, it wouldn't work anyway */
 277         int i;
 278         FOR_NB_SCREENS(i)
 279             screens[i].clear_display();
 280         gui_syncsplash(HZ*2, "No .rockbox directory");
 281         FOR_NB_SCREENS(i)
 282             screens[i].clear_display();
 283         gui_syncsplash(HZ*2, "Installation incomplete");
 284         return false;
 285     }
 286     return true;
 287 }
 288
 289 /* do this really late in the init sequence */
 290 void tree_gui_init(void)
 291 {
 292     gui_sync_wps_screen_init();
 293
 294     check_rockboxdir();
 295
 296     strcpy(tc.currdir, "/");
 297
 298 #ifdef HAVE_LCD_CHARCELLS
 299     int i;
 300     FOR_NB_SCREENS(i)
 301         screens[i].double_height(false);
 302 #endif
 303 #ifdef HAVE_BUTTONBAR
 304     gui_buttonbar_init(&tree_buttonbar);
 305     /* since archos only have one screen, no need to create more than that */
 306     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 307 #endif
 308     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 309     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 310     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 311 #ifdef HAVE_LCD_COLOR
 312     gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor);
 313 #endif
 314 }
 315
 316
 317
 318 struct tree_context* tree_get_context(void)
 319 {
 320     return &tc;
 321 }
 322
 323 /*
 324  * Returns the position of a given file in the current directory
 325  * returns -1 if not found
 326  */
 327 static int tree_get_file_position(char * filename)
 328 {
 329     int i;
 330
 331     /* use lastfile to determine the selected item (default=0) */
 332     for (i=0; i < tc.filesindir; i++)
 333     {
 334         struct entry* dc = tc.dircache;
 335         struct entry* e = &dc[i];
 336         if (!strcasecmp(e->name, filename))
 337             return(i);
 338     }
 339     return(-1);/* no file can match, returns undefined */
 340 }
 341
 342 /*
 343  * Called when a new dir is loaded (for example when returning from other apps ...)
 344  * also completely redraws the tree
 345  */
 346 static int update_dir(void)
 347 {
 348     bool changed = false;
 349 #ifdef HAVE_TAGCACHE
 350     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 351     /* Checks for changes */
 352     if (id3db) {
 353         if (tc.currtable != lasttable ||
 354             tc.currextra != lastextra ||
 355             tc.firstpos  != lastfirstpos ||
 356             reload_dir)
 357         {
 358             if (tagtree_load(&tc) < 0)
 359                 return -1;
 360
 361             lasttable = tc.currtable;
 362             lastextra = tc.currextra;
 363             lastfirstpos = tc.firstpos;
 364             changed = true;
 365         }
 366     }
 367     else
 368 #endif
 369     {
 370         /* if the tc.currdir has been changed, reload it ...*/
 371         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 372         {
 373             if (ft_load(&tc, NULL) < 0)
 374                 return -1;
 375             strcpy(lastdir, tc.currdir);
 376             changed = true;
 377         }
 378     }
 379     /* if selected item is undefined */
 380     if (tc.selected_item == -1)
 381     {
 382         /* use lastfile to determine the selected item */
 383         tc.selected_item = tree_get_file_position(lastfile);
 384
 385         /* If the file doesn't exists, select the first one (default) */
 386         if(tc.selected_item < 0)
 387             tc.selected_item = 0;
 388         changed = true;
 389     }
 390     if (changed)
 391     {
 392         if(
 393 #ifdef HAVE_TAGCACHE
 394         !id3db &&
 395 #endif
 396         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 397         {
 398             gui_syncsplash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 399         }
 400     }
 401 #ifdef HAVE_TAGCACHE
 402     if (id3db)
 403     {
 404 #ifdef HAVE_LCD_BITMAP
 405         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 406             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 407         {
 408             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 409                 filetype_get_icon(ATTR_DIRECTORY));
 410         }
 411         else
 412         {
 413             /* Must clear the title as the list is reused */
 414             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 415         }
 416 #endif
 417     }
 418     else
 419 #endif
 420     {
 421 #ifdef HAVE_LCD_BITMAP
 422         if (global_settings.show_path_in_browser &&
 423             *(tc.dirfilter) == SHOW_PLUGINS)
 424         {
 425             char *title;
 426             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 427                 title = str(LANG_PLUGIN_GAMES);
 428             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 429                 title = str(LANG_PLUGIN_APPS);
 430             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 431                 title = str(LANG_PLUGIN_DEMOS);
 432             else title = str(LANG_PLUGINS);
 433             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 434         }
 435         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 436         {
 437             gui_synclist_set_title(&tree_lists, tc.currdir,
 438                 filetype_get_icon(ATTR_DIRECTORY));
 439         }
 440         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 441         {
 442             char *title = strrchr(tc.currdir, '/') + 1;
 443             if (*title == '\0')
 444             {
 445                 /* Display "Files" for the root dir */
 446                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 447                     filetype_get_icon(ATTR_DIRECTORY));
 448             }
 449             else
 450                 gui_synclist_set_title(&tree_lists, title,
 451                     filetype_get_icon(ATTR_DIRECTORY));
 452         }
 453         else
 454         {
 455             /* Must clear the title as the list is reused */
 456             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 457         }
 458 #endif
 459     }
 460
 461     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 462     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 463     if( tc.selected_item >= tc.filesindir)
 464         tc.selected_item=tc.filesindir-1;
 465
 466     gui_synclist_select_item(&tree_lists, tc.selected_item);
 467 #ifdef HAVE_BUTTONBAR
 468     if (global_settings.buttonbar) {
 469         if (*tc.dirfilter < NUM_FILTER_MODES)
 470             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 471                           str(LANG_SYSFONT_DIRBROWSE_F2),
 472                           str(LANG_SYSFONT_DIRBROWSE_F3));
 473         else
 474             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 475         gui_buttonbar_draw(&tree_buttonbar);
 476     }
 477 #endif
 478     gui_synclist_draw(&tree_lists);
 479     gui_synclist_speak_item(&tree_lists);
 480     gui_syncstatusbar_draw(&statusbars, true);
 481     return tc.filesindir;
 482 }
 483
 484 /* load tracks from specified directory to resume play */
 485 void resume_directory(const char *dir)
 486 {
 487 #ifdef HAVE_TAGCACHE
 488     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 489 #endif
 490
 491     if (ft_load(&tc, dir) < 0)
 492         return;
 493     lastdir[0] = 0;
 494
 495     ft_build_playlist(&tc, 0);
 496
 497 #ifdef HAVE_TAGCACHE
 498     if (id3db)
 499         tagtree_load(&tc);
 500 #endif
 501 }
 502
 503 /* Returns the current working directory and also writes cwd to buf if
 504    non-NULL.  In case of error, returns NULL. */
 505 char *getcwd(char *buf, int size)
 506 {
 507     if (!buf)
 508         return tc.currdir;
 509     else if (size > 0)
 510     {
 511         strncpy(buf, tc.currdir, size);
 512         return buf;
 513     }
 514     else
 515         return NULL;
 516 }
 517
 518 /* Force a reload of the directory next time directory browser is called */
 519 void reload_directory(void)
 520 {
 521     reload_dir = true;
 522 }
 523
 524 void get_current_file(char* buffer, int buffer_len)
 525 {
 526 #ifdef HAVE_TAGCACHE
 527     /* in ID3DB mode it is a bad idea to call this function */
 528     /* (only happens with `follow playlist') */
 529     if( *tc.dirfilter == SHOW_ID3DB )
 530         return;
 531 #endif
 532
 533     struct entry* dc = tc.dircache;
 534     struct entry* e = &dc[tc.selected_item];
 535     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 536                                           tc.dirlength ? e->name : "");
 537 }
 538
 539 /* Allow apps to change our dirfilter directly (required for sub browsers)
 540    if they're suddenly going to become a file browser for example */
 541 void set_dirfilter(int l_dirfilter)
 542 {
 543     *tc.dirfilter = l_dirfilter;
 544 }
 545
 546 /* Selects a file and update tree context properly */
 547 void set_current_file(char *path)
 548 {
 549     char *name;
 550     int i;
 551
 552 #ifdef HAVE_TAGCACHE
 553     /* in ID3DB mode it is a bad idea to call this function */
 554     /* (only happens with `follow playlist') */
 555     if( *tc.dirfilter == SHOW_ID3DB )
 556         return;
 557 #endif
 558
 559     /* separate directory from filename */
 560     /* gets the directory's name and put it into tc.currdir */
 561     name = strrchr(path+1,'/');
 562     if (name)
 563     {
 564         *name = 0;
 565         strcpy(tc.currdir, path);
 566         *name = '/';
 567         name++;
 568     }
 569     else
 570     {
 571         strcpy(tc.currdir, "/");
 572         name = path+1;
 573     }
 574
 575     strcpy(lastfile, name);
 576
 577
 578     /* If we changed dir we must recalculate the dirlevel
 579        and adjust the selected history properly */
 580     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 581     {
 582         tc.dirlevel =  0;
 583         tc.selected_item_history[tc.dirlevel] = -1;
 584
 585         /* use '/' to calculate dirlevel */
 586         for (i = 1; path[i] != '\0'; i++)
 587         {
 588             if (path[i] == '/')
 589             {
 590                 tc.dirlevel++;
 591                 tc.selected_item_history[tc.dirlevel] = -1;
 592             }
 593         }
 594     }
 595     if (ft_load(&tc, NULL) >= 0)
 596     {
 597         tc.selected_item = tree_get_file_position(lastfile);
 598     }
 599 }
 600
 601
 602 /* main loop, handles key events */
 603 static int dirbrowse()
 604 {
 605     int numentries=0;
 606     char buf[MAX_PATH];
 607     unsigned button, oldbutton;
 608     bool reload_root = false;
 609     int lastfilter = *tc.dirfilter;
 610     bool lastsortcase = global_settings.sort_case;
 611     bool exit_func = false;
 612
 613     char* currdir = tc.currdir; /* just a shortcut */
 614 #ifdef HAVE_TAGCACHE
 615     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 616
 617     if (id3db)
 618         curr_context=CONTEXT_ID3DB;
 619     else
 620 #endif
 621         curr_context=CONTEXT_TREE;
 622     if (tc.selected_item < 0)
 623         tc.selected_item = 0;
 624 #ifdef HAVE_TAGCACHE
 625     tc.firstpos = 0;
 626     lasttable = -1;
 627     lastextra = -1;
 628     lastfirstpos = 0;
 629 #endif
 630
 631     start_wps = false;
 632     numentries = update_dir();
 633     reload_dir = false;
 634     if (numentries == -1)
 635         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 636
 637     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 638     {
 639         gui_syncsplash(HZ*2, ID2P(LANG_NO_FILES));
 640         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 641     }
 642
 643     while(1) {
 644         struct entry *dircache = tc.dircache;
 645         bool restore = false;
 646         if (tc.dirlevel < 0)
 647             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 648 #ifdef BOOTFILE
 649         if (boot_changed) {
 650             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 651             static const struct text_message message={lines, 2};
 652             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 653                 rolo_load("/" BOOTFILE);
 654             restore = true;
 655             boot_changed = false;
 656         }
 657 #endif
 658         button = get_action(CONTEXT_TREE,
 659                             list_do_action_timeout(&tree_lists, HZ/2));
 660         oldbutton = button;
 661         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 662         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 663         switch ( button ) {
 664             case ACTION_STD_OK:
 665                 /* nothing to do if no files to display */
 666                 if ( numentries == 0 )
 667                     break;
 668
 669 #ifdef HAVE_TAGCACHE
 670                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 671 #else
 672                 switch (ft_enter(&tc))
 673 #endif
 674                 {
 675                     case 1: reload_dir = true; break;
 676                     case 2: start_wps = true; break;
 677                     case 3: exit_func = true; break;
 678                     default: break;
 679                 }
 680                 restore = true;
 681                 break;
 682
 683             case ACTION_STD_CANCEL:
 684                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 685                     exit_func = true;
 686                     break;
 687                 }
 688                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 689                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 690                 {
 691 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 692                     if (oldbutton == ACTION_TREE_PGLEFT)
 693                         break;
 694                     else
 695 #endif
 696                         return GO_TO_ROOT;
 697                 }
 698
 699 #ifdef HAVE_TAGCACHE
 700                 if (id3db)
 701                     tagtree_exit(&tc);
 702                 else
 703 #endif
 704                     if (ft_exit(&tc) == 3)
 705                         exit_func = true;
 706
 707                 restore = true;
 708                 break;
 709
 710             case ACTION_TREE_STOP:
 711                 if (list_stop_handler())
 712                     restore = true;
 713                 break;
 714
 715             case ACTION_STD_MENU:
 716                 return GO_TO_ROOT;
 717                 break;
 718
 719 #ifdef HAVE_RECORDING
 720             case ACTION_STD_REC:
 721                 return GO_TO_RECSCREEN;
 722 #endif
 723
 724             case ACTION_TREE_WPS:
 725                 return GO_TO_PREVIOUS_MUSIC;
 726                 break;
 727 #ifdef HAVE_QUICKSCREEN
 728             case ACTION_STD_QUICKSCREEN:
 729                 /* don't enter f2 from plugin browser */
 730                 if (*tc.dirfilter < NUM_FILTER_MODES)
 731                 {
 732                     if (quick_screen_quick(button))
 733                         reload_dir = true;
 734                     restore = true;
 735                 }
 736                 break;
 737 #endif
 738 #ifdef BUTTON_F3
 739             case ACTION_F3:
 740                 /* don't enter f3 from plugin browser */
 741                 if (*tc.dirfilter < NUM_FILTER_MODES)
 742                 {
 743                     if (quick_screen_f3(ACTION_F3))
 744                         reload_dir = true;
 745                     restore = true;
 746                 }
 747                 break;
 748 #endif
 749
 750             case ACTION_STD_CONTEXT:
 751             {
 752                 int onplay_result;
 753                 int attr = 0;
 754
 755                 if(!numentries)
 756                     onplay_result = onplay(NULL, 0, curr_context);
 757                 else {
 758 #ifdef HAVE_TAGCACHE
 759                     if (id3db)
 760                     {
 761                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 762                         {
 763                             attr = FILE_ATTR_AUDIO;
 764                             tagtree_get_filename(&tc, buf, sizeof(buf));
 765                         }
 766                         else
 767                             attr = ATTR_DIRECTORY;
 768                     }
 769                     else
 770 #endif
 771                     {
 772                         attr = dircache[tc.selected_item].attr;
 773
 774                         if (currdir[1]) /* Not in / */
 775                             snprintf(buf, sizeof buf, "%s/%s",
 776                                      currdir,
 777                                      dircache[tc.selected_item].name);
 778                         else /* In / */
 779                             snprintf(buf, sizeof buf, "/%s",
 780                                      dircache[tc.selected_item].name);
 781                     }
 782                     onplay_result = onplay(buf, attr, curr_context);
 783                 }
 784                 switch (onplay_result)
 785                 {
 786                     case ONPLAY_MAINMENU:
 787                         return GO_TO_ROOT;
 788
 789                     case ONPLAY_OK:
 790                         restore = true;
 791                         break;
 792
 793                     case ONPLAY_RELOAD_DIR:
 794                         reload_dir = true;
 795                         break;
 796
 797                     case ONPLAY_START_PLAY:
 798                         return GO_TO_WPS;
 799                         break;
 800                 }
 801                 break;
 802             }
 803
 804             case ACTION_NONE:
 805                 gui_syncstatusbar_draw(&statusbars, false);
 806                 break;
 807
 808 #ifdef HAVE_HOTSWAP
 809             case SYS_FS_CHANGED:
 810 #ifdef HAVE_TAGCACHE
 811                 if (!id3db)
 812 #endif
 813                     reload_dir = true;
 814                 /* The 'dir no longer valid' situation will be caught later
 815                  * by checking the showdir() result. */
 816                 break;
 817 #endif
 818
 819             default:
 820                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 821                 {
 822                     if(*tc.dirfilter > NUM_FILTER_MODES)
 823                         /* leave sub-browsers after usb, doing otherwise
 824                            might be confusing to the user */
 825                         exit_func = true;
 826                     else
 827                         reload_dir = true;
 828                 }
 829                 break;
 830         }
 831         if (start_wps)
 832             return GO_TO_WPS;
 833         if (button)
 834         {
 835             ata_spin();
 836         }
 837
 838
 839     check_rescan:
 840         /* do we need to rescan dir? */
 841         if (reload_dir || reload_root ||
 842             lastfilter != *tc.dirfilter ||
 843             lastsortcase != global_settings.sort_case)
 844         {
 845             if (reload_root) {
 846                 strcpy(currdir, "/");
 847                 tc.dirlevel = 0;
 848 #ifdef HAVE_TAGCACHE
 849                 tc.currtable = 0;
 850                 tc.currextra = 0;
 851                 lasttable = -1;
 852                 lastextra = -1;
 853 #endif
 854                 reload_root = false;
 855             }
 856
 857             if (!reload_dir)
 858             {
 859                 gui_synclist_select_item(&tree_lists, 0);
 860                 gui_synclist_draw(&tree_lists);
 861                 tc.selected_item = 0;
 862                 lastdir[0] = 0;
 863             }
 864
 865             lastfilter = *tc.dirfilter;
 866             lastsortcase = global_settings.sort_case;
 867             restore = true;
 868         }
 869
 870         if (exit_func)
 871             return GO_TO_PREVIOUS;
 872
 873         if (restore || reload_dir) {
 874             /* restore display */
 875             numentries = update_dir();
 876             reload_dir = false;
 877             if (currdir[1] && (numentries < 0))
 878             {   /* not in root and reload failed */
 879                 reload_root = true; /* try root */
 880                 goto check_rescan;
 881             }
 882         }
 883     }
 884     return true;
 885 }
 886
 887 bool create_playlist(void)
 888 {
 889     char filename[MAX_PATH];
 890
 891     snprintf(filename, sizeof filename, "%s.m3u8",
 892              tc.currdir[1] ? tc.currdir : "/root");
 893     gui_syncsplash(0, "%s %s", str(LANG_CREATING), filename);
 894
 895     trigger_cpu_boost();
 896     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 897     cancel_cpu_boost();
 898
 899     return true;
 900 }
 901
 902 int rockbox_browse(const char *root, int dirfilter)
 903 {
 904     int ret_val = 0;
 905     int *last_filter = tc.dirfilter;
 906     tc.dirfilter = &dirfilter;
 907
 908     reload_dir = true;
 909     if (dirfilter >= NUM_FILTER_MODES)
 910     {
 911         static struct tree_context backup;
 912         int last_context;
 913
 914         backup = tc;
 915         tc.selected_item = 0;
 916         tc.dirlevel = 0;
 917         memcpy(tc.currdir, root, sizeof(tc.currdir));
 918         start_wps = false;
 919         last_context = curr_context;
 920
 921         ret_val = dirbrowse();
 922         tc = backup;
 923         curr_context = last_context;
 924     }
 925     else
 926     {
 927         static char buf[MAX_PATH];
 928         if (dirfilter != SHOW_ID3DB)
 929             tc.dirfilter = &global_settings.dirfilter;
 930         strcpy(buf,root);
 931         set_current_file(buf);
 932         ret_val = dirbrowse();
 933     }
 934     tc.dirfilter = last_filter;
 935     return ret_val;
 936 }
 937
 938 void tree_mem_init(void)
 939 {
 940     /* We copy the settings value in case it is changed by the user. We can't
 941        use it until the next reboot. */
 942     max_files = global_settings.max_files_in_dir;
 943
 944     /* initialize tree context struct */
 945     memset(&tc, 0, sizeof(tc));
 946     tc.dirfilter = &global_settings.dirfilter;
 947
 948     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
 949     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
 950
 951     tc.dircache_size = max_files * sizeof(struct entry);
 952     tc.dircache = buffer_alloc(tc.dircache_size);
 953     tree_get_filetypes(&filetypes, &filetypes_count);
 954 }
 955
 956 bool bookmark_play(char *resume_file, int index, int offset, int seed,
 957                    char *filename)
 958 {
 959     int i;
 960     char* suffix = strrchr(resume_file, '.');
 961     bool started = false;
 962
 963     if (suffix != NULL &&
 964         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
 965     {
 966         /* Playlist playback */
 967         char* slash;
 968         /* check that the file exists */
 969         if(!file_exists(resume_file))
 970             return false;
 971
 972         slash = strrchr(resume_file,'/');
 973         if (slash)
 974         {
 975             char* cp;
 976             *slash=0;
 977
 978             cp=resume_file;
 979             if (!cp[0])
 980                 cp="/";
 981
 982             if (playlist_create(cp, slash+1) != -1)
 983             {
 984                 if (global_settings.playlist_shuffle)
 985                     playlist_shuffle(seed, -1);
 986                 playlist_start(index,offset);
 987                 started = true;
 988             }
 989             *slash='/';
 990         }
 991     }
 992     else
 993     {
 994         /* Directory playback */
 995         lastdir[0]='\0';
 996         if (playlist_create(resume_file, NULL) != -1)
 997         {
 998             char* peek_filename;
 999             resume_directory(resume_file);
1000             if (global_settings.playlist_shuffle)
1001                 playlist_shuffle(seed, -1);
1002
1003             /* Check if the file is at the same spot in the directory,
1004                else search for it */
1005             peek_filename = playlist_peek(index);
1006
1007             if (peek_filename == NULL)
1008                 return false;
1009
1010             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1011             {
1012                 for ( i=0; i < playlist_amount(); i++ )
1013                 {
1014                     peek_filename = playlist_peek(i);
1015
1016                     if (peek_filename == NULL)
1017                         return false;
1018
1019                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1020                         break;
1021                 }
1022                 if (i < playlist_amount())
1023                     index = i;
1024                 else
1025                     return false;
1026             }
1027             playlist_start(index,offset);
1028             started = true;
1029         }
1030     }
1031
1032     if (started)
1033         start_wps = true;
1034     return started;
1035 }
1036
1037 static void say_filetype(int attr)
1038 {
1039     /* try to find a voice ID for the extension, if known */
1040     int j;
1041     attr &= FILE_ATTR_MASK; /* file type */
1042     for (j=0; j<filetypes_count; j++)
1043         if (attr == filetypes[j].tree_attr)
1044         {
1045             talk_id(filetypes[j].voiceclip, true);
1046             return;
1047         }
1048 }
1049
1050 static int ft_play_dirname(char* name)
1051 {
1052     char dirname_mp3_filename[MAX_PATH+1];
1053
1054 #if CONFIG_CODEC != SWCODEC
1055     if (audio_status() & AUDIO_STATUS_PLAY)
1056         return 0;
1057 #endif
1058
1059     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1060              tc.currdir[1] ? tc.currdir : "" , name,
1061              dir_thumbnail_name);
1062
1063     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1064
1065     if (!file_exists(dirname_mp3_filename))
1066     {
1067         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1068         return -1;
1069     }
1070
1071     DEBUGF("Found: %s\n", dirname_mp3_filename);
1072
1073     talk_file(dirname_mp3_filename, false);
1074     if(global_settings.talk_filetype)
1075         talk_id(VOICE_DIR, true);
1076     return 1;
1077 }
1078
1079 static void ft_play_filename(char *dir, char *file)
1080 {
1081     char name_mp3_filename[MAX_PATH+1];
1082
1083 #if CONFIG_CODEC != SWCODEC
1084     if (audio_status() & AUDIO_STATUS_PLAY)
1085         return;
1086 #endif
1087
1088     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1089                     file_thumbnail_ext))
1090     {   /* file has no .talk extension */
1091         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1092                  "%s/%s%s", dir, file, file_thumbnail_ext);
1093
1094         talk_file(name_mp3_filename, false);
1095     }
1096     else
1097     {   /* it already is a .talk file, play this directly */
1098         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1099             "%s/%s", dir, file);
1100         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1101         talk_file(name_mp3_filename, true);
1102     }
1103 }
1104
1105 /* These two functions are called by the USB and shutdown handlers */
1106 void tree_flush(void)
1107 {
1108     scrobbler_shutdown();
1109 #ifdef HAVE_TAGCACHE
1110     tagcache_shutdown();
1111 #endif
1112     playlist_shutdown();
1113
1114 #ifdef HAVE_TC_RAMCACHE
1115     tagcache_unload_ramcache();
1116 #endif
1117
1118 #ifdef HAVE_DIRCACHE
1119     {
1120         int old_val = global_status.dircache_size;
1121         if (global_settings.dircache)
1122         {
1123             if (!dircache_is_initializing())
1124                 global_status.dircache_size = dircache_get_cache_size();
1125 # ifdef HAVE_EEPROM_SETTINGS
1126             if (firmware_settings.initialized)
1127                 dircache_save();
1128 # endif
1129             dircache_disable();
1130         }
1131         else
1132         {
1133             global_status.dircache_size = 0;
1134         }
1135         if (old_val != global_status.dircache_size)
1136             status_save();
1137     }
1138 #endif
1139 }
1140
1141 void tree_restore(void)
1142 {
1143 #ifdef HAVE_EEPROM_SETTINGS
1144     firmware_settings.disk_clean = false;
1145 #endif
1146
1147 #ifdef HAVE_TC_RAMCACHE
1148     remove(TAGCACHE_STATEFILE);
1149 #endif
1150
1151 #ifdef HAVE_DIRCACHE
1152     remove(DIRCACHE_FILE);
1153     if (global_settings.dircache)
1154     {
1155         /* Print "Scanning disk..." to the display. */
1156         gui_syncsplash(0, str(LANG_SCANNING_DISK));
1157
1158         dircache_build(global_status.dircache_size);
1159     }
1160 #endif
1161 #ifdef HAVE_TAGCACHE
1162     tagcache_start_scan();
1163 #endif
1164     scrobbler_init();
1165 }