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 "gwps.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 "gwps-common.h"
  68 #include "eeprom_settings.h"
  69 #include "playlist_catalog.h"
  70
  71 /* gui api */
  72 #include "list.h"
  73 #include "statusbar.h"
  74 #include "splash.h"
  75 #include "buttonbar.h"
  76 #include "action.h"
  77 #include "quickscreen.h"
  78
  79 #include "root_menu.h"
  80
  81 static const struct filetype *filetypes;
  82 static int filetypes_count;
  83
  84 struct gui_synclist tree_lists;
  85
  86 /* I put it here because other files doesn't use it yet,
  87  * but should be elsewhere since it will be used mostly everywhere */
  88 #ifdef HAVE_BUTTONBAR
  89 struct gui_buttonbar tree_buttonbar;
  90 #endif
  91 static struct tree_context tc;
  92
  93 bool boot_changed = false;
  94
  95 char lastfile[MAX_PATH];
  96 static char lastdir[MAX_PATH];
  97 #ifdef HAVE_TAGCACHE
  98 static int lasttable, lastextra, lastfirstpos;
  99 #endif
 100 static int max_files = 0;
 101
 102 static bool reload_dir = false;
 103
 104 static bool start_wps = false;
 105 static int curr_context = false;/* id3db or tree*/
 106
 107 static int dirbrowse(void);
 108 static int ft_play_dirname(char* name);
 109 static void ft_play_filename(char *dir, char *file);
 110 static void say_filetype(int attr);
 111
 112 static char * tree_get_filename(int selected_item, void *data,
 113                                 char *buffer, size_t buffer_len)
 114 {
 115     struct tree_context * local_tc=(struct tree_context *)data;
 116     char *name;
 117     int attr=0;
 118     bool stripit = false;
 119 #ifdef HAVE_TAGCACHE
 120     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 121
 122     if (id3db)
 123     {
 124         return tagtree_get_entry(&tc, selected_item)->name;
 125     }
 126     else
 127 #endif
 128     {
 129         struct entry* dc = local_tc->dircache;
 130         struct entry* e = &dc[selected_item];
 131         name = e->name;
 132         attr = e->attr;
 133     }
 134
 135     if(!(attr & ATTR_DIRECTORY))
 136     {
 137         switch(global_settings.show_filename_ext)
 138         {
 139             case 0:
 140                 /* show file extension: off */
 141                 stripit = true;
 142                 break;
 143             case 1:
 144                 /* show file extension: on */
 145                 break;
 146             case 2:
 147                 /* show file extension: only unknown types */
 148                 stripit = filetype_supported(attr);
 149                 break;
 150             case 3:
 151             default:
 152                 /* show file extension: only when viewing all */
 153                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 154                           (*(local_tc->dirfilter) != SHOW_ALL);
 155                 break;
 156         }
 157     }
 158
 159     if(stripit)
 160     {
 161         return(strip_extension(buffer, buffer_len, name));
 162     }
 163     return(name);
 164 }
 165
 166 #ifdef HAVE_LCD_COLOR
 167 static int tree_get_filecolor(int selected_item, void * data)
 168 {
 169     if (*tc.dirfilter == SHOW_ID3DB)
 170         return -1;
 171     struct tree_context * local_tc=(struct tree_context *)data;
 172     struct entry* dc = local_tc->dircache;
 173     struct entry* e = &dc[selected_item];
 174     return filetype_get_color(e->name, e->attr);
 175 }
 176 #endif
 177
 178 static int tree_get_fileicon(int selected_item, void * data)
 179 {
 180     struct tree_context * local_tc=(struct tree_context *)data;
 181 #ifdef HAVE_TAGCACHE
 182     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 183     if (id3db) {
 184         return tagtree_get_icon(&tc);
 185     }
 186     else
 187 #endif
 188         {
 189         struct entry* dc = local_tc->dircache;
 190         struct entry* e = &dc[selected_item];
 191         return filetype_get_icon(e->attr);
 192     }
 193 }
 194
 195 static int tree_voice_cb(int selected_item, void * data)
 196 {
 197     struct tree_context * local_tc=(struct tree_context *)data;
 198     char *name;
 199     int attr=0;
 200 #ifdef HAVE_TAGCACHE
 201     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 202
 203     if (id3db)
 204     {
 205         attr = tagtree_get_attr(local_tc);
 206         name = tagtree_get_entry(local_tc, selected_item)->name;
 207     }
 208     else
 209 #endif
 210     {
 211         struct entry* dc = local_tc->dircache;
 212         struct entry* e = &dc[selected_item];
 213         name = e->name;
 214         attr = e->attr;
 215     }
 216     bool is_dir = (attr & ATTR_DIRECTORY);
 217     bool did_clip = false;
 218     /* First the .talk clip case */
 219     if(is_dir)
 220     {
 221         if(global_settings.talk_dir_clip)
 222         {
 223             did_clip = true;
 224             if(ft_play_dirname(name) <0)
 225                 /* failed, not existing */
 226                 did_clip = false;
 227         }
 228     } else { /* it's a file */
 229         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 230         {
 231             did_clip = true;
 232             ft_play_filename(local_tc->currdir, name);
 233         }
 234     }
 235     if(!did_clip)
 236     {
 237         /* say the number or spell if required or as a fallback */
 238         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 239         {
 240         case 1: /* as numbers */
 241             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 242             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 243                         true);
 244             if(global_settings.talk_filetype
 245                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 246                 say_filetype(attr);
 247             break;
 248         case 2: /* spelled */
 249             talk_shutup();
 250             if(global_settings.talk_filetype)
 251             {
 252                 if(is_dir)
 253                     talk_id(VOICE_DIR, true);
 254                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 255                     say_filetype(attr);
 256             }
 257             talk_spell(name, true);
 258             break;
 259         }
 260     }
 261     return 0;
 262 }
 263
 264 bool check_rockboxdir(void)
 265 {
 266     if(!dir_exists(ROCKBOX_DIR))
 267     {   /* No need to localise this message.
 268            If .rockbox is missing, it wouldn't work anyway */
 269         int i;
 270         FOR_NB_SCREENS(i)
 271             screens[i].clear_display();
 272         splash(HZ*2, "No .rockbox directory");
 273         FOR_NB_SCREENS(i)
 274             screens[i].clear_display();
 275         splash(HZ*2, "Installation incomplete");
 276         return false;
 277     }
 278     return true;
 279 }
 280
 281 /* do this really late in the init sequence */
 282 void tree_gui_init(void)
 283 {
 284     check_rockboxdir();
 285
 286     strcpy(tc.currdir, "/");
 287
 288 #ifdef HAVE_LCD_CHARCELLS
 289     int i;
 290     FOR_NB_SCREENS(i)
 291         screens[i].double_height(false);
 292 #endif
 293 #ifdef HAVE_BUTTONBAR
 294     gui_buttonbar_init(&tree_buttonbar);
 295     /* since archos only have one screen, no need to create more than that */
 296     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 297 #endif
 298     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 299     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 300     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 301 #ifdef HAVE_LCD_COLOR
 302     gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor);
 303 #endif
 304 }
 305
 306
 307
 308 struct tree_context* tree_get_context(void)
 309 {
 310     return &tc;
 311 }
 312
 313 /*
 314  * Returns the position of a given file in the current directory
 315  * returns -1 if not found
 316  */
 317 static int tree_get_file_position(char * filename)
 318 {
 319     int i;
 320
 321     /* use lastfile to determine the selected item (default=0) */
 322     for (i=0; i < tc.filesindir; i++)
 323     {
 324         struct entry* dc = tc.dircache;
 325         struct entry* e = &dc[i];
 326         if (!strcasecmp(e->name, filename))
 327             return(i);
 328     }
 329     return(-1);/* no file can match, returns undefined */
 330 }
 331
 332 /*
 333  * Called when a new dir is loaded (for example when returning from other apps ...)
 334  * also completely redraws the tree
 335  */
 336 static int update_dir(void)
 337 {
 338     bool changed = false;
 339 #ifdef HAVE_TAGCACHE
 340     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 341     /* Checks for changes */
 342     if (id3db) {
 343         if (tc.currtable != lasttable ||
 344             tc.currextra != lastextra ||
 345             tc.firstpos  != lastfirstpos ||
 346             reload_dir)
 347         {
 348             if (tagtree_load(&tc) < 0)
 349                 return -1;
 350
 351             lasttable = tc.currtable;
 352             lastextra = tc.currextra;
 353             lastfirstpos = tc.firstpos;
 354             changed = true;
 355         }
 356     }
 357     else
 358 #endif
 359     {
 360         /* if the tc.currdir has been changed, reload it ...*/
 361         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 362         {
 363             if (ft_load(&tc, NULL) < 0)
 364                 return -1;
 365             strcpy(lastdir, tc.currdir);
 366             changed = true;
 367         }
 368     }
 369     /* if selected item is undefined */
 370     if (tc.selected_item == -1)
 371     {
 372         /* use lastfile to determine the selected item */
 373         tc.selected_item = tree_get_file_position(lastfile);
 374
 375         /* If the file doesn't exists, select the first one (default) */
 376         if(tc.selected_item < 0)
 377             tc.selected_item = 0;
 378         changed = true;
 379     }
 380     if (changed)
 381     {
 382         if(
 383 #ifdef HAVE_TAGCACHE
 384         !id3db &&
 385 #endif
 386         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 387         {
 388             splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 389         }
 390     }
 391 #ifdef HAVE_TAGCACHE
 392     if (id3db)
 393     {
 394 #ifdef HAVE_LCD_BITMAP
 395         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 396             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 397         {
 398             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 399                 filetype_get_icon(ATTR_DIRECTORY));
 400         }
 401         else
 402         {
 403             /* Must clear the title as the list is reused */
 404             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 405         }
 406 #endif
 407     }
 408     else
 409 #endif
 410     {
 411 #ifdef HAVE_LCD_BITMAP
 412         if (global_settings.show_path_in_browser &&
 413             *(tc.dirfilter) == SHOW_PLUGINS)
 414         {
 415             char *title;
 416             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 417                 title = str(LANG_PLUGIN_GAMES);
 418             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 419                 title = str(LANG_PLUGIN_APPS);
 420             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 421                 title = str(LANG_PLUGIN_DEMOS);
 422             else title = str(LANG_PLUGINS);
 423             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 424         }
 425         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 426         {
 427             gui_synclist_set_title(&tree_lists, tc.currdir,
 428                 filetype_get_icon(ATTR_DIRECTORY));
 429         }
 430         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 431         {
 432             char *title = strrchr(tc.currdir, '/') + 1;
 433             if (*title == '\0')
 434             {
 435                 /* Display "Files" for the root dir */
 436                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 437                     filetype_get_icon(ATTR_DIRECTORY));
 438             }
 439             else
 440                 gui_synclist_set_title(&tree_lists, title,
 441                     filetype_get_icon(ATTR_DIRECTORY));
 442         }
 443         else
 444         {
 445             /* Must clear the title as the list is reused */
 446             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 447         }
 448 #endif
 449     }
 450
 451     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 452     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 453     if( tc.selected_item >= tc.filesindir)
 454         tc.selected_item=tc.filesindir-1;
 455
 456     gui_synclist_select_item(&tree_lists, tc.selected_item);
 457 #ifdef HAVE_BUTTONBAR
 458     if (global_settings.buttonbar) {
 459         if (*tc.dirfilter < NUM_FILTER_MODES)
 460             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 461                           str(LANG_SYSFONT_DIRBROWSE_F2),
 462                           str(LANG_SYSFONT_DIRBROWSE_F3));
 463         else
 464             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 465         gui_buttonbar_draw(&tree_buttonbar);
 466     }
 467 #endif
 468     gui_synclist_draw(&tree_lists);
 469     gui_synclist_speak_item(&tree_lists);
 470     return tc.filesindir;
 471 }
 472
 473 /* load tracks from specified directory to resume play */
 474 void resume_directory(const char *dir)
 475 {
 476         int dirfilter = *tc.dirfilter;
 477         int ret;
 478 #ifdef HAVE_TAGCACHE
 479     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 480 #endif
 481         /* make sure the dirfilter is sane. The only time it should be possible
 482          * thats its not is when resume playlist is called from a plugin
 483          */
 484 #ifdef HAVE_TAGCACHE
 485         if (!id3db)
 486 #endif
 487                 *tc.dirfilter = global_settings.dirfilter;
 488         ret = ft_load(&tc, dir);
 489         *tc.dirfilter = dirfilter;
 490         if (ret < 0)
 491         return;
 492     lastdir[0] = 0;
 493
 494     ft_build_playlist(&tc, 0);
 495
 496 #ifdef HAVE_TAGCACHE
 497     if (id3db)
 498         tagtree_load(&tc);
 499 #endif
 500 }
 501
 502 /* Returns the current working directory and also writes cwd to buf if
 503    non-NULL.  In case of error, returns NULL. */
 504 char *getcwd(char *buf, int size)
 505 {
 506     if (!buf)
 507         return tc.currdir;
 508     else if (size > 0)
 509     {
 510         strncpy(buf, tc.currdir, size);
 511         return buf;
 512     }
 513     else
 514         return NULL;
 515 }
 516
 517 /* Force a reload of the directory next time directory browser is called */
 518 void reload_directory(void)
 519 {
 520     reload_dir = true;
 521 }
 522
 523 void get_current_file(char* buffer, int buffer_len)
 524 {
 525 #ifdef HAVE_TAGCACHE
 526     /* in ID3DB mode it is a bad idea to call this function */
 527     /* (only happens with `follow playlist') */
 528     if( *tc.dirfilter == SHOW_ID3DB )
 529         return;
 530 #endif
 531
 532     struct entry* dc = tc.dircache;
 533     struct entry* e = &dc[tc.selected_item];
 534     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 535                                           tc.dirlength ? e->name : "");
 536 }
 537
 538 /* Allow apps to change our dirfilter directly (required for sub browsers)
 539    if they're suddenly going to become a file browser for example */
 540 void set_dirfilter(int l_dirfilter)
 541 {
 542     *tc.dirfilter = l_dirfilter;
 543 }
 544
 545 /* Selects a file and update tree context properly */
 546 void set_current_file(char *path)
 547 {
 548     char *name;
 549     int i;
 550
 551 #ifdef HAVE_TAGCACHE
 552     /* in ID3DB mode it is a bad idea to call this function */
 553     /* (only happens with `follow playlist') */
 554     if( *tc.dirfilter == SHOW_ID3DB )
 555         return;
 556 #endif
 557
 558     /* separate directory from filename */
 559     /* gets the directory's name and put it into tc.currdir */
 560     name = strrchr(path+1,'/');
 561     if (name)
 562     {
 563         *name = 0;
 564         strcpy(tc.currdir, path);
 565         *name = '/';
 566         name++;
 567     }
 568     else
 569     {
 570         strcpy(tc.currdir, "/");
 571         name = path+1;
 572     }
 573
 574     strcpy(lastfile, name);
 575
 576
 577     /* If we changed dir we must recalculate the dirlevel
 578        and adjust the selected history properly */
 579     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 580     {
 581         tc.dirlevel =  0;
 582         tc.selected_item_history[tc.dirlevel] = -1;
 583
 584         /* use '/' to calculate dirlevel */
 585         for (i = 1; path[i] != '\0'; i++)
 586         {
 587             if (path[i] == '/')
 588             {
 589                 tc.dirlevel++;
 590                 tc.selected_item_history[tc.dirlevel] = -1;
 591             }
 592         }
 593     }
 594     if (ft_load(&tc, NULL) >= 0)
 595     {
 596         tc.selected_item = tree_get_file_position(lastfile);
 597     }
 598 }
 599
 600
 601 /* main loop, handles key events */
 602 static int dirbrowse()
 603 {
 604     int numentries=0;
 605     char buf[MAX_PATH];
 606     int button, oldbutton;
 607     bool reload_root = false;
 608     int lastfilter = *tc.dirfilter;
 609     bool lastsortcase = global_settings.sort_case;
 610     bool exit_func = false;
 611
 612     char* currdir = tc.currdir; /* just a shortcut */
 613 #ifdef HAVE_TAGCACHE
 614     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 615
 616     if (id3db)
 617         curr_context=CONTEXT_ID3DB;
 618     else
 619 #endif
 620         curr_context=CONTEXT_TREE;
 621     if (tc.selected_item < 0)
 622         tc.selected_item = 0;
 623 #ifdef HAVE_TAGCACHE
 624     tc.firstpos = 0;
 625     lasttable = -1;
 626     lastextra = -1;
 627     lastfirstpos = 0;
 628 #endif
 629
 630     start_wps = false;
 631     numentries = update_dir();
 632     reload_dir = false;
 633     if (numentries == -1)
 634         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 635
 636     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 637     {
 638         splash(HZ*2, ID2P(LANG_NO_FILES));
 639         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 640     }
 641
 642     gui_synclist_draw(&tree_lists);
 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 #ifdef HAVE_HOTSWAP
 805             case SYS_FS_CHANGED:
 806 #ifdef HAVE_TAGCACHE
 807                 if (!id3db)
 808 #endif
 809                     reload_dir = true;
 810                 /* The 'dir no longer valid' situation will be caught later
 811                  * by checking the showdir() result. */
 812                 break;
 813 #endif
 814
 815             default:
 816                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 817                 {
 818                     if(*tc.dirfilter > NUM_FILTER_MODES)
 819                         /* leave sub-browsers after usb, doing otherwise
 820                            might be confusing to the user */
 821                         exit_func = true;
 822                     else
 823                         reload_dir = true;
 824                 }
 825                 break;
 826         }
 827         if (start_wps)
 828             return GO_TO_WPS;
 829         if (button && !IS_SYSEVENT(button))
 830         {
 831             storage_spin();
 832         }
 833
 834
 835     check_rescan:
 836         /* do we need to rescan dir? */
 837         if (reload_dir || reload_root ||
 838             lastfilter != *tc.dirfilter ||
 839             lastsortcase != global_settings.sort_case)
 840         {
 841             if (reload_root) {
 842                 strcpy(currdir, "/");
 843                 tc.dirlevel = 0;
 844 #ifdef HAVE_TAGCACHE
 845                 tc.currtable = 0;
 846                 tc.currextra = 0;
 847                 lasttable = -1;
 848                 lastextra = -1;
 849 #endif
 850                 reload_root = false;
 851             }
 852
 853             if (!reload_dir)
 854             {
 855                 gui_synclist_select_item(&tree_lists, 0);
 856                 gui_synclist_draw(&tree_lists);
 857                 tc.selected_item = 0;
 858                 lastdir[0] = 0;
 859             }
 860
 861             lastfilter = *tc.dirfilter;
 862             lastsortcase = global_settings.sort_case;
 863             restore = true;
 864         }
 865
 866         if (exit_func)
 867             return GO_TO_PREVIOUS;
 868
 869         if (restore || reload_dir) {
 870             /* restore display */
 871             numentries = update_dir();
 872             reload_dir = false;
 873             if (currdir[1] && (numentries < 0))
 874             {   /* not in root and reload failed */
 875                 reload_root = true; /* try root */
 876                 goto check_rescan;
 877             }
 878         }
 879     }
 880     return true;
 881 }
 882
 883 bool create_playlist(void)
 884 {
 885     char filename[MAX_PATH];
 886
 887     snprintf(filename, sizeof filename, "%s.m3u8",
 888              tc.currdir[1] ? tc.currdir : "/root");
 889     splashf(0, "%s %s", str(LANG_CREATING), filename);
 890
 891     trigger_cpu_boost();
 892     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 893     cancel_cpu_boost();
 894
 895     return true;
 896 }
 897
 898 int rockbox_browse(const char *root, int dirfilter)
 899 {
 900     int ret_val = 0;
 901     int *last_filter = tc.dirfilter;
 902     tc.dirfilter = &dirfilter;
 903     tc.sort_dir = global_settings.sort_dir;
 904
 905     reload_dir = true;
 906     if (dirfilter >= NUM_FILTER_MODES)
 907     {
 908         static struct tree_context backup;
 909         int last_context;
 910
 911         backup = tc;
 912         tc.selected_item = 0;
 913         tc.dirlevel = 0;
 914         memcpy(tc.currdir, root, sizeof(tc.currdir));
 915         start_wps = false;
 916         last_context = curr_context;
 917
 918         ret_val = dirbrowse();
 919         tc = backup;
 920         curr_context = last_context;
 921     }
 922     else
 923     {
 924         static char buf[MAX_PATH];
 925         if (dirfilter != SHOW_ID3DB)
 926             tc.dirfilter = &global_settings.dirfilter;
 927         strcpy(buf,root);
 928         set_current_file(buf);
 929         ret_val = dirbrowse();
 930     }
 931     tc.dirfilter = last_filter;
 932     return ret_val;
 933 }
 934
 935 void tree_mem_init(void)
 936 {
 937     /* We copy the settings value in case it is changed by the user. We can't
 938        use it until the next reboot. */
 939     max_files = global_settings.max_files_in_dir;
 940
 941     /* initialize tree context struct */
 942     memset(&tc, 0, sizeof(tc));
 943     tc.dirfilter = &global_settings.dirfilter;
 944     tc.sort_dir = global_settings.sort_dir;
 945
 946     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
 947     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
 948
 949     tc.dircache_size = max_files * sizeof(struct entry);
 950     tc.dircache = buffer_alloc(tc.dircache_size);
 951     tree_get_filetypes(&filetypes, &filetypes_count);
 952 }
 953
 954 bool bookmark_play(char *resume_file, int index, int offset, int seed,
 955                    char *filename)
 956 {
 957     int i;
 958     char* suffix = strrchr(resume_file, '.');
 959     bool started = false;
 960
 961     if (suffix != NULL &&
 962         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
 963     {
 964         /* Playlist playback */
 965         char* slash;
 966         /* check that the file exists */
 967         if(!file_exists(resume_file))
 968             return false;
 969
 970         slash = strrchr(resume_file,'/');
 971         if (slash)
 972         {
 973             char* cp;
 974             *slash=0;
 975
 976             cp=resume_file;
 977             if (!cp[0])
 978                 cp="/";
 979
 980             if (playlist_create(cp, slash+1) != -1)
 981             {
 982                 if (global_settings.playlist_shuffle)
 983                     playlist_shuffle(seed, -1);
 984                 playlist_start(index,offset);
 985                 started = true;
 986             }
 987             *slash='/';
 988         }
 989     }
 990     else
 991     {
 992         /* Directory playback */
 993         lastdir[0]='\0';
 994         if (playlist_create(resume_file, NULL) != -1)
 995         {
 996             char* peek_filename;
 997             resume_directory(resume_file);
 998             if (global_settings.playlist_shuffle)
 999                 playlist_shuffle(seed, -1);
1000
1001             /* Check if the file is at the same spot in the directory,
1002                else search for it */
1003             peek_filename = playlist_peek(index);
1004
1005             if (peek_filename == NULL)
1006                 return false;
1007
1008             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1009             {
1010                 for ( i=0; i < playlist_amount(); i++ )
1011                 {
1012                     peek_filename = playlist_peek(i);
1013
1014                     if (peek_filename == NULL)
1015                         return false;
1016
1017                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1018                         break;
1019                 }
1020                 if (i < playlist_amount())
1021                     index = i;
1022                 else
1023                     return false;
1024             }
1025             playlist_start(index,offset);
1026             started = true;
1027         }
1028     }
1029
1030     if (started)
1031         start_wps = true;
1032     return started;
1033 }
1034
1035 static void say_filetype(int attr)
1036 {
1037     /* try to find a voice ID for the extension, if known */
1038     int j;
1039     attr &= FILE_ATTR_MASK; /* file type */
1040     for (j=0; j<filetypes_count; j++)
1041         if (attr == filetypes[j].tree_attr)
1042         {
1043             talk_id(filetypes[j].voiceclip, true);
1044             return;
1045         }
1046 }
1047
1048 static int ft_play_dirname(char* name)
1049 {
1050 #if CONFIG_CODEC != SWCODEC
1051     if (audio_status() & AUDIO_STATUS_PLAY)
1052         return 0;
1053 #endif
1054
1055     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1056                  NULL, false))
1057     {
1058         if(global_settings.talk_filetype)
1059             talk_id(VOICE_DIR, true);
1060         return 1;
1061     }
1062     else
1063         return -1;
1064 }
1065
1066 static void ft_play_filename(char *dir, char *file)
1067 {
1068 #if CONFIG_CODEC != SWCODEC
1069     if (audio_status() & AUDIO_STATUS_PLAY)
1070         return;
1071 #endif
1072
1073     if (strlen(file) >= strlen(file_thumbnail_ext)
1074         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1075                       file_thumbnail_ext))
1076         /* file has no .talk extension */
1077         talk_file(dir, NULL, file, file_thumbnail_ext,
1078                   NULL, false);
1079     else
1080         /* it already is a .talk file, play this directly, but prefix it. */
1081         talk_file(dir, NULL, file, NULL,
1082                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1083 }
1084
1085 /* These two functions are called by the USB and shutdown handlers */
1086 void tree_flush(void)
1087 {
1088 #ifdef HAVE_TAGCACHE
1089     tagcache_shutdown();
1090 #endif
1091
1092 #ifdef HAVE_TC_RAMCACHE
1093     tagcache_unload_ramcache();
1094 #endif
1095
1096 #ifdef HAVE_DIRCACHE
1097     {
1098         int old_val = global_status.dircache_size;
1099         if (global_settings.dircache)
1100         {
1101             if (!dircache_is_initializing())
1102                 global_status.dircache_size = dircache_get_cache_size();
1103 # ifdef HAVE_EEPROM_SETTINGS
1104             if (firmware_settings.initialized)
1105                 dircache_save();
1106 # endif
1107             dircache_disable();
1108         }
1109         else
1110         {
1111             global_status.dircache_size = 0;
1112         }
1113         if (old_val != global_status.dircache_size)
1114             status_save();
1115     }
1116 #endif
1117 }
1118
1119 void tree_restore(void)
1120 {
1121 #ifdef HAVE_EEPROM_SETTINGS
1122     firmware_settings.disk_clean = false;
1123 #endif
1124
1125 #ifdef HAVE_TC_RAMCACHE
1126     remove(TAGCACHE_STATEFILE);
1127 #endif
1128
1129 #ifdef HAVE_DIRCACHE
1130     remove(DIRCACHE_FILE);
1131     if (global_settings.dircache)
1132     {
1133         /* Print "Scanning disk..." to the display. */
1134         splash(0, str(LANG_SCANNING_DISK));
1135
1136         dircache_build(global_status.dircache_size);
1137     }
1138 #endif
1139 #ifdef HAVE_TAGCACHE
1140     tagcache_start_scan();
1141 #endif
1142 }