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