apps/tree.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Daniel Stenberg
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <stdbool.h>
  23
  24 #include "applimits.h"
  25 #include "dir.h"
  26 #include "file.h"
  27 #include "lcd.h"
  28 #include "font.h"
  29 #include "backlight.h"
  30 #include "button.h"
  31 #include "kernel.h"
  32 #include "usb.h"
  33 #include "tree.h"
  34 #include "sprintf.h"
  35 #include "audio.h"
  36 #include "playlist.h"
  37 #include "menu.h"
  38 #include "gwps.h"
  39 #include "settings.h"
  40 #include "status.h"
  41 #include "debug.h"
  42 #include "ata.h"
  43 #include "rolo.h"
  44 #include "icons.h"
  45 #include "lang.h"
  46 #include "language.h"
  47 #include "screens.h"
  48 #include "keyboard.h"
  49 #include "bookmark.h"
  50 #include "onplay.h"
  51 #include "buffer.h"
  52 #include "plugin.h"
  53 #include "power.h"
  54 #include "action.h"
  55 #include "talk.h"
  56 #include "filetypes.h"
  57 #include "misc.h"
  58 #include "filetree.h"
  59 #include "tagtree.h"
  60 #ifdef HAVE_RECORDING
  61 #include "recorder/recording.h"
  62 #endif
  63 #include "rtc.h"
  64 #include "dircache.h"
  65 #ifdef HAVE_TAGCACHE
  66 #include "tagcache.h"
  67 #endif
  68 #include "yesno.h"
  69 #include "gwps-common.h"
  70 #include "eeprom_settings.h"
  71 #include "scrobbler.h"
  72
  73 /* gui api */
  74 #include "list.h"
  75 #include "statusbar.h"
  76 #include "splash.h"
  77 #include "buttonbar.h"
  78 #include "textarea.h"
  79 #include "action.h"
  80 #include "quickscreen.h"
  81
  82 #include "root_menu.h"
  83
  84 #if (LCD_DEPTH > 1) || (defined(HAVE_LCD_REMOTE) && (LCD_REMOTE_DEPTH > 1))
  85 #include "backdrop.h"
  86 #endif
  87
  88 static const struct filetype *filetypes;
  89 static int filetypes_count;
  90
  91 struct gui_synclist tree_lists;
  92
  93 /* I put it here because other files doesn't use it yet,
  94  * but should be elsewhere since it will be used mostly everywhere */
  95 #ifdef HAS_BUTTONBAR
  96 struct gui_buttonbar tree_buttonbar;
  97 #endif
  98 static struct tree_context tc;
  99
 100 bool boot_changed = false;
 101
 102 char lastfile[MAX_PATH];
 103 static char lastdir[MAX_PATH];
 104 #ifdef HAVE_TAGCACHE
 105 static int lasttable, lastextra, lastfirstpos;
 106 #endif
 107 static int max_files = 0;
 108
 109 static bool reload_dir = false;
 110
 111 static bool start_wps = false;
 112 static int curr_context = false;/* id3db or tree*/
 113
 114 static int dirbrowse(void);
 115 static int ft_play_dirname(char* name);
 116 static void ft_play_filename(char *dir, char *file);
 117 static void say_filetype(int attr);
 118
 119 static char * tree_get_filename(int selected_item, void * data, char *buffer)
 120 {
 121     struct tree_context * local_tc=(struct tree_context *)data;
 122     char *name;
 123     int attr=0;
 124     bool stripit = false;
 125 #ifdef HAVE_TAGCACHE
 126     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 127
 128     if (id3db)
 129     {
 130         return tagtree_get_entry(&tc, selected_item)->name;
 131     }
 132     else
 133 #endif
 134     {
 135         struct entry* dc = local_tc->dircache;
 136         struct entry* e = &dc[selected_item];
 137         name = e->name;
 138         attr = e->attr;
 139     }
 140
 141     if(!(attr & ATTR_DIRECTORY))
 142     {
 143         switch(global_settings.show_filename_ext)
 144         {
 145             case 0:
 146                 /* show file extension: off */
 147                 stripit = true;
 148                 break;
 149             case 1:
 150                 /* show file extension: on */
 151                 break;
 152             case 2:
 153                 /* show file extension: only unknown types */
 154                 stripit = filetype_supported(attr);
 155                 break;
 156             case 3:
 157             default:
 158                 /* show file extension: only when viewing all */
 159                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 160                           (*(local_tc->dirfilter) != SHOW_ALL);
 161                 break;
 162         }
 163     }
 164
 165     if(stripit)
 166     {
 167         return(strip_extension(name, buffer));
 168     }
 169     return(name);
 170 }
 171
 172 #ifdef HAVE_LCD_COLOR
 173 static int tree_get_filecolor(int selected_item, void * data)
 174 {
 175     if (*tc.dirfilter == SHOW_ID3DB)
 176         return -1;
 177     struct tree_context * local_tc=(struct tree_context *)data;
 178     struct entry* dc = local_tc->dircache;
 179     struct entry* e = &dc[selected_item];
 180     return filetype_get_color(e->name, e->attr);
 181 }
 182 #endif
 183
 184 static int tree_get_fileicon(int selected_item, void * data)
 185 {
 186     struct tree_context * local_tc=(struct tree_context *)data;
 187 #ifdef HAVE_TAGCACHE
 188     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 189     if (id3db) {
 190         return tagtree_get_icon(&tc);
 191     }
 192     else
 193 #endif
 194         {
 195         struct entry* dc = local_tc->dircache;
 196         struct entry* e = &dc[selected_item];
 197         return filetype_get_icon(e->attr);
 198     }
 199 }
 200
 201 static int tree_voice_cb(int selected_item, void * data)
 202 {
 203     struct tree_context * local_tc=(struct tree_context *)data;
 204     char *name;
 205     int attr=0;
 206 #ifdef HAVE_TAGCACHE
 207     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 208
 209     if (id3db)
 210     {
 211         attr = tagtree_get_attr(local_tc);
 212         name = tagtree_get_entry(local_tc, selected_item)->name;
 213     }
 214     else
 215 #endif
 216     {
 217         struct entry* dc = local_tc->dircache;
 218         struct entry* e = &dc[selected_item];
 219         name = e->name;
 220         attr = e->attr;
 221     }
 222     bool is_dir = (attr & ATTR_DIRECTORY);
 223     bool did_clip = false;
 224     /* First the .talk clip case */
 225     if(is_dir)
 226     {
 227         if(global_settings.talk_dir_clip)
 228         {
 229             DEBUGF("Playing directory thumbnail: %s", local_tc->currdir);
 230             did_clip = true;
 231             if(ft_play_dirname(name) <0)
 232                 /* failed, not existing */
 233                 did_clip = false;
 234         }
 235     } else { /* it's a file */
 236         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 237         {
 238             did_clip = true;
 239             DEBUGF("Playing file thumbnail: %s/%s%s\n",
 240                    local_tc->currdir, name, file_thumbnail_ext);
 241             ft_play_filename(local_tc->currdir, name);
 242         }
 243     }
 244     if(!did_clip)
 245     {
 246         /* say the number or spell if required or as a fallback */
 247         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 248         {
 249         case 1: /* as numbers */
 250             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 251             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 252                         true);
 253             if(global_settings.talk_filetype
 254                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 255                 say_filetype(attr);
 256             break;
 257         case 2: /* spelled */
 258             talk_shutup();
 259             if(global_settings.talk_filetype)
 260             {
 261                 if(is_dir)
 262                     talk_id(VOICE_DIR, true);
 263                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 264                     say_filetype(attr);
 265             }
 266             talk_spell(name, true);
 267             break;
 268         }
 269     }
 270     return 0;
 271 }
 272
 273 bool check_rockboxdir(void)
 274 {
 275     DIR *dir = opendir(ROCKBOX_DIR);
 276     if(!dir)
 277     {   /* No need to localise this message.
 278            If .rockbox is missing, it wouldn't work anyway */
 279         int i;
 280         FOR_NB_SCREENS(i)
 281             screens[i].clear_display();
 282         gui_syncsplash(HZ*2, "No .rockbox directory");
 283         FOR_NB_SCREENS(i)
 284             screens[i].clear_display();
 285         gui_syncsplash(HZ*2, "Installation incomplete");
 286         return false;
 287     }
 288     closedir(dir);
 289     return true;
 290 }
 291
 292 /* do this really late in the init sequence */
 293 void tree_gui_init(void)
 294 {
 295     gui_sync_wps_screen_init();
 296
 297     check_rockboxdir();
 298
 299     strcpy(tc.currdir, "/");
 300
 301 #ifdef HAVE_LCD_CHARCELLS
 302     int i;
 303     FOR_NB_SCREENS(i)
 304         screens[i].double_height(false);
 305 #endif
 306 #ifdef HAS_BUTTONBAR
 307     gui_buttonbar_init(&tree_buttonbar);
 308     /* since archos only have one screen, no need to create more than that */
 309     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 310 #endif
 311     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1);
 312     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 313     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 314 #ifdef HAVE_LCD_COLOR
 315     gui_list_set_color_callback(&tree_lists,
 316                                 &tree_get_filecolor);
 317 #endif
 318 }
 319
 320
 321
 322 struct tree_context* tree_get_context(void)
 323 {
 324     return &tc;
 325 }
 326
 327 /*
 328  * Returns the position of a given file in the current directory
 329  * returns -1 if not found
 330  */
 331 static int tree_get_file_position(char * filename)
 332 {
 333     int i;
 334
 335     /* use lastfile to determine the selected item (default=0) */
 336     for (i=0; i < tc.filesindir; i++)
 337     {
 338         struct entry* dc = tc.dircache;
 339         struct entry* e = &dc[i];
 340         if (!strcasecmp(e->name, filename))
 341             return(i);
 342     }
 343     return(-1);/* no file can match, returns undefined */
 344 }
 345
 346 /*
 347  * Called when a new dir is loaded (for example when returning from other apps ...)
 348  * also completely redraws the tree
 349  */
 350 static int update_dir(void)
 351 {
 352     bool changed = false;
 353 #ifdef HAVE_TAGCACHE
 354     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 355     /* Checks for changes */
 356     if (id3db) {
 357         if (tc.currtable != lasttable ||
 358             tc.currextra != lastextra ||
 359             tc.firstpos  != lastfirstpos ||
 360             reload_dir)
 361         {
 362             if (tagtree_load(&tc) < 0)
 363                 return -1;
 364
 365             lasttable = tc.currtable;
 366             lastextra = tc.currextra;
 367             lastfirstpos = tc.firstpos;
 368             changed = true;
 369         }
 370     }
 371     else
 372 #endif
 373     {
 374         /* if the tc.currdir has been changed, reload it ...*/
 375         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 376         {
 377             if (ft_load(&tc, NULL) < 0)
 378                 return -1;
 379             strcpy(lastdir, tc.currdir);
 380             changed = true;
 381         }
 382     }
 383     /* if selected item is undefined */
 384     if (tc.selected_item == -1)
 385     {
 386         /* use lastfile to determine the selected item */
 387         tc.selected_item = tree_get_file_position(lastfile);
 388
 389         /* If the file doesn't exists, select the first one (default) */
 390         if(tc.selected_item < 0)
 391             tc.selected_item = 0;
 392         changed = true;
 393     }
 394     if (changed)
 395     {
 396         if(
 397 #ifdef HAVE_TAGCACHE
 398         !id3db &&
 399 #endif
 400         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 401         {
 402             gui_syncsplash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 403         }
 404     }
 405 #ifdef HAVE_TAGCACHE
 406     if (id3db)
 407     {
 408 #ifdef HAVE_LCD_BITMAP
 409         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 410             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 411         {
 412             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 413                 filetype_get_icon(ATTR_DIRECTORY));
 414         }
 415         else
 416         {
 417             /* Must clear the title as the list is reused */
 418             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 419         }
 420 #endif
 421     }
 422     else
 423 #endif
 424     {
 425 #ifdef HAVE_LCD_BITMAP
 426         if (global_settings.show_path_in_browser &&
 427             *(tc.dirfilter) == SHOW_PLUGINS)
 428         {
 429             char *title;
 430             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 431                 title = str(LANG_PLUGIN_GAMES);
 432             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 433                 title = str(LANG_PLUGIN_APPS);
 434             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 435                 title = str(LANG_PLUGIN_DEMOS);
 436             else title = str(LANG_PLUGINS);
 437             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 438         }
 439         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 440         {
 441             gui_synclist_set_title(&tree_lists, tc.currdir,
 442                 filetype_get_icon(ATTR_DIRECTORY));
 443         }
 444         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 445         {
 446             char *title = strrchr(tc.currdir, '/') + 1;
 447             if (*title == '\0')
 448             {
 449                 /* Display "Files" for the root dir */
 450                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 451                     filetype_get_icon(ATTR_DIRECTORY));
 452             }
 453             else
 454                 gui_synclist_set_title(&tree_lists, title,
 455                     filetype_get_icon(ATTR_DIRECTORY));
 456         }
 457         else
 458         {
 459             /* Must clear the title as the list is reused */
 460             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 461         }
 462 #endif
 463     }
 464
 465     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 466     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 467     if( tc.selected_item >= tc.filesindir)
 468         tc.selected_item=tc.filesindir-1;
 469
 470     gui_synclist_select_item(&tree_lists, tc.selected_item);
 471 #ifdef HAS_BUTTONBAR
 472     if (global_settings.buttonbar) {
 473         if (*tc.dirfilter < NUM_FILTER_MODES)
 474             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 475                           str(LANG_SYSFONT_DIRBROWSE_F2),
 476                           str(LANG_SYSFONT_DIRBROWSE_F3));
 477         else
 478             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 479         gui_buttonbar_draw(&tree_buttonbar);
 480     }
 481 #endif
 482     gui_synclist_draw(&tree_lists);
 483     gui_synclist_speak_item(&tree_lists);
 484     gui_syncstatusbar_draw(&statusbars, true);
 485     return tc.filesindir;
 486 }
 487
 488 /* load tracks from specified directory to resume play */
 489 void resume_directory(const char *dir)
 490 {
 491 #ifdef HAVE_TAGCACHE
 492     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 493 #endif
 494
 495     if (ft_load(&tc, dir) < 0)
 496         return;
 497     lastdir[0] = 0;
 498
 499     ft_build_playlist(&tc, 0);
 500
 501 #ifdef HAVE_TAGCACHE
 502     if (id3db)
 503         tagtree_load(&tc);
 504 #endif
 505 }
 506
 507 /* Returns the current working directory and also writes cwd to buf if
 508    non-NULL.  In case of error, returns NULL. */
 509 char *getcwd(char *buf, int size)
 510 {
 511     if (!buf)
 512         return tc.currdir;
 513     else if (size > 0)
 514     {
 515         strncpy(buf, tc.currdir, size);
 516         return buf;
 517     }
 518     else
 519         return NULL;
 520 }
 521
 522 /* Force a reload of the directory next time directory browser is called */
 523 void reload_directory(void)
 524 {
 525     reload_dir = true;
 526 }
 527
 528 void get_current_file(char* buffer, int buffer_len)
 529 {
 530 #ifdef HAVE_TAGCACHE
 531     /* in ID3DB mode it is a bad idea to call this function */
 532     /* (only happens with `follow playlist') */
 533     if( *tc.dirfilter == SHOW_ID3DB )
 534         return;
 535 #endif
 536
 537     struct entry* dc = tc.dircache;
 538     struct entry* e = &dc[tc.selected_item];
 539     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 540                                           tc.dirlength ? e->name : "");
 541 }
 542
 543 /* Allow apps to change our dirfilter directly (required for sub browsers)
 544    if they're suddenly going to become a file browser for example */
 545 void set_dirfilter(int l_dirfilter)
 546 {
 547     *tc.dirfilter = l_dirfilter;
 548 }
 549
 550 /* Selects a file and update tree context properly */
 551 void set_current_file(char *path)
 552 {
 553     char *name;
 554     int i;
 555
 556 #ifdef HAVE_TAGCACHE
 557     /* in ID3DB mode it is a bad idea to call this function */
 558     /* (only happens with `follow playlist') */
 559     if( *tc.dirfilter == SHOW_ID3DB )
 560         return;
 561 #endif
 562
 563     /* separate directory from filename */
 564     /* gets the directory's name and put it into tc.currdir */
 565     name = strrchr(path+1,'/');
 566     if (name)
 567     {
 568         *name = 0;
 569         strcpy(tc.currdir, path);
 570         *name = '/';
 571         name++;
 572     }
 573     else
 574     {
 575         strcpy(tc.currdir, "/");
 576         name = path+1;
 577     }
 578
 579     strcpy(lastfile, name);
 580
 581
 582     /* If we changed dir we must recalculate the dirlevel
 583        and adjust the selected history properly */
 584     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 585     {
 586         tc.dirlevel =  0;
 587         tc.selected_item_history[tc.dirlevel] = -1;
 588
 589         /* use '/' to calculate dirlevel */
 590         for (i = 1; path[i] != '\0'; i++)
 591         {
 592             if (path[i] == '/')
 593             {
 594                 tc.dirlevel++;
 595                 tc.selected_item_history[tc.dirlevel] = -1;
 596             }
 597         }
 598     }
 599     if (ft_load(&tc, NULL) >= 0)
 600     {
 601         tc.selected_item = tree_get_file_position(lastfile);
 602     }
 603 }
 604
 605
 606 /* main loop, handles key events */
 607 static int dirbrowse()
 608 {
 609     int numentries=0;
 610     char buf[MAX_PATH];
 611     unsigned button, oldbutton;
 612     bool reload_root = false;
 613     int lastfilter = *tc.dirfilter;
 614     bool lastsortcase = global_settings.sort_case;
 615     bool exit_func = false;
 616
 617     char* currdir = tc.currdir; /* just a shortcut */
 618 #ifdef HAVE_TAGCACHE
 619     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 620
 621     if (id3db)
 622         curr_context=CONTEXT_ID3DB;
 623     else
 624 #endif
 625         curr_context=CONTEXT_TREE;
 626     if (tc.selected_item < 0)
 627         tc.selected_item = 0;
 628 #ifdef HAVE_TAGCACHE
 629     tc.firstpos = 0;
 630     lasttable = -1;
 631     lastextra = -1;
 632     lastfirstpos = 0;
 633 #endif
 634
 635     start_wps = false;
 636     numentries = update_dir();
 637     reload_dir = false;
 638     if (numentries == -1)
 639         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 640
 641     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 642     {
 643         gui_syncsplash(HZ*2, ID2P(LANG_NO_FILES));
 644         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 645     }
 646
 647     while(1) {
 648         struct entry *dircache = tc.dircache;
 649         bool restore = false;
 650         if (tc.dirlevel < 0)
 651             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 652 #ifdef BOOTFILE
 653         if (boot_changed) {
 654             char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 655             struct text_message message={lines, 2};
 656             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 657                 rolo_load("/" BOOTFILE);
 658             restore = true;
 659             boot_changed = false;
 660         }
 661 #endif
 662         button = get_action(CONTEXT_TREE,
 663                             list_do_action_timeout(&tree_lists, HZ/2));
 664         oldbutton = button;
 665         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 666         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 667         switch ( button ) {
 668             case ACTION_STD_OK:
 669                 /* nothing to do if no files to display */
 670                 if ( numentries == 0 )
 671                     break;
 672
 673 #ifdef HAVE_TAGCACHE
 674                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 675 #else
 676                 switch (ft_enter(&tc))
 677 #endif
 678                 {
 679                     case 1: reload_dir = true; break;
 680                     case 2: start_wps = true; break;
 681                     case 3: exit_func = true; break;
 682                     default: break;
 683                 }
 684                 restore = true;
 685                 break;
 686
 687             case ACTION_STD_CANCEL:
 688                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 689                     exit_func = true;
 690                     break;
 691                 }
 692                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 693                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 694                 {
 695 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 696                     if (oldbutton == ACTION_TREE_PGLEFT)
 697                         break;
 698                     else
 699 #endif
 700                         return GO_TO_ROOT;
 701                 }
 702
 703 #ifdef HAVE_TAGCACHE
 704                 if (id3db)
 705                     tagtree_exit(&tc);
 706                 else
 707 #endif
 708                     if (ft_exit(&tc) == 3)
 709                         exit_func = true;
 710
 711                 restore = true;
 712                 break;
 713
 714             case ACTION_TREE_STOP:
 715                 if (list_stop_handler())
 716                     restore = true;
 717                 break;
 718
 719             case ACTION_STD_MENU:
 720                 return GO_TO_ROOT;
 721                 break;
 722
 723 #ifdef HAVE_RECORDING
 724             case ACTION_STD_REC:
 725                 return GO_TO_RECSCREEN;
 726 #endif
 727
 728             case ACTION_TREE_WPS:
 729                 return GO_TO_PREVIOUS_MUSIC;
 730                 break;
 731 #ifdef HAVE_QUICKSCREEN
 732             case ACTION_STD_QUICKSCREEN:
 733                 /* don't enter f2 from plugin browser */
 734                 if (*tc.dirfilter < NUM_FILTER_MODES)
 735                 {
 736                     if (quick_screen_quick(button))
 737                         reload_dir = true;
 738                     restore = true;
 739                 }
 740                 break;
 741 #endif
 742 #ifdef BUTTON_F3
 743             case ACTION_F3:
 744                 /* don't enter f3 from plugin browser */
 745                 if (*tc.dirfilter < NUM_FILTER_MODES)
 746                 {
 747                     if (quick_screen_f3(BUTTON_F3))
 748                         reload_dir = true;
 749                     restore = true;
 750                 }
 751                 break;
 752 #endif
 753
 754             case ACTION_STD_CONTEXT:
 755             {
 756                 int onplay_result;
 757                 int attr = 0;
 758
 759                 if(!numentries)
 760                     onplay_result = onplay(NULL, 0, curr_context);
 761                 else {
 762 #ifdef HAVE_TAGCACHE
 763                     if (id3db)
 764                     {
 765                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 766                         {
 767                             attr = FILE_ATTR_AUDIO;
 768                             tagtree_get_filename(&tc, buf, sizeof(buf));
 769                         }
 770                         else
 771                             attr = ATTR_DIRECTORY;
 772                     }
 773                     else
 774 #endif
 775                     {
 776                         attr = dircache[tc.selected_item].attr;
 777
 778                         if (currdir[1]) /* Not in / */
 779                             snprintf(buf, sizeof buf, "%s/%s",
 780                                      currdir,
 781                                      dircache[tc.selected_item].name);
 782                         else /* In / */
 783                             snprintf(buf, sizeof buf, "/%s",
 784                                      dircache[tc.selected_item].name);
 785                     }
 786                     onplay_result = onplay(buf, attr, curr_context);
 787                 }
 788                 switch (onplay_result)
 789                 {
 790                     case ONPLAY_MAINMENU:
 791                         return GO_TO_ROOT;
 792
 793                     case ONPLAY_OK:
 794                         restore = true;
 795                         break;
 796
 797                     case ONPLAY_RELOAD_DIR:
 798                         reload_dir = true;
 799                         break;
 800
 801                     case ONPLAY_START_PLAY:
 802                         return GO_TO_WPS;
 803                         break;
 804                 }
 805                 break;
 806             }
 807
 808             case ACTION_NONE:
 809                 gui_syncstatusbar_draw(&statusbars, false);
 810                 break;
 811
 812 #ifdef HAVE_HOTSWAP
 813             case SYS_FS_CHANGED:
 814 #ifdef HAVE_TAGCACHE
 815                 if (!id3db)
 816 #endif
 817                     reload_dir = true;
 818                 /* The 'dir no longer valid' situation will be caught later
 819                  * by checking the showdir() result. */
 820                 break;
 821 #endif
 822
 823             default:
 824                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 825                 {
 826                     if(*tc.dirfilter > NUM_FILTER_MODES)
 827                         /* leave sub-browsers after usb, doing otherwise
 828                            might be confusing to the user */
 829                         exit_func = true;
 830                     else
 831                         reload_dir = true;
 832                 }
 833                 break;
 834         }
 835         if (start_wps)
 836             return GO_TO_WPS;
 837         if (button)
 838         {
 839             ata_spin();
 840         }
 841
 842
 843     check_rescan:
 844         /* do we need to rescan dir? */
 845         if (reload_dir || reload_root ||
 846             lastfilter != *tc.dirfilter ||
 847             lastsortcase != global_settings.sort_case)
 848         {
 849             if (reload_root) {
 850                 strcpy(currdir, "/");
 851                 tc.dirlevel = 0;
 852 #ifdef HAVE_TAGCACHE
 853                 tc.currtable = 0;
 854                 tc.currextra = 0;
 855                 lasttable = -1;
 856                 lastextra = -1;
 857 #endif
 858                 reload_root = false;
 859             }
 860
 861             if (!reload_dir)
 862             {
 863                 gui_synclist_select_item(&tree_lists, 0);
 864                 gui_synclist_draw(&tree_lists);
 865                 tc.selected_item = 0;
 866                 lastdir[0] = 0;
 867             }
 868
 869             lastfilter = *tc.dirfilter;
 870             lastsortcase = global_settings.sort_case;
 871             restore = true;
 872         }
 873
 874         if (exit_func)
 875             return GO_TO_PREVIOUS;
 876
 877         if (restore || reload_dir) {
 878             /* restore display */
 879             numentries = update_dir();
 880             reload_dir = false;
 881             if (currdir[1] && (numentries < 0))
 882             {   /* not in root and reload failed */
 883                 reload_root = true; /* try root */
 884                 goto check_rescan;
 885             }
 886         }
 887     }
 888     return true;
 889 }
 890
 891 static int plsize = 0;
 892 static long pltick;
 893 static bool add_dir(char* dirname, int len, int fd)
 894 {
 895     bool abort = false;
 896     DIR* dir;
 897
 898     /* check for user abort */
 899     if (action_userabort(TIMEOUT_NOBLOCK))
 900         return true;
 901
 902     dir = opendir(dirname);
 903     if(!dir)
 904         return true;
 905
 906     while (true) {
 907         struct dirent *entry;
 908
 909         entry = readdir(dir);
 910         if (!entry)
 911             break;
 912         if (entry->attribute & ATTR_DIRECTORY) {
 913             int dirlen = strlen(dirname);
 914             bool result;
 915
 916             if (!strcmp((char *)entry->d_name, ".") ||
 917                 !strcmp((char *)entry->d_name, ".."))
 918                 continue;
 919
 920             if (dirname[1])
 921                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
 922             else
 923                 snprintf(dirname, len, "/%s", entry->d_name);
 924
 925             result = add_dir(dirname, len, fd);
 926             dirname[dirlen] = '\0';
 927             if (result) {
 928                 abort = true;
 929                 break;
 930             }
 931         }
 932         else {
 933             int x = strlen((char *)entry->d_name);
 934             int i;
 935             char *cp = strrchr((char *)entry->d_name,'.');
 936
 937             if (cp) {
 938                 cp++;
 939
 940                 /* add all supported audio files to playlists */
 941                 for (i=0; i < filetypes_count; i++) {
 942                     if (filetypes[i].tree_attr == FILE_ATTR_AUDIO) {
 943                         if (!strcasecmp(cp, filetypes[i].extension)) {
 944                             char buf[8];
 945                             int i;
 946                             write(fd, dirname, strlen(dirname));
 947                             write(fd, "/", 1);
 948                             write(fd, entry->d_name, x);
 949                             write(fd, "\n", 1);
 950
 951                             plsize++;
 952                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
 953                                 pltick = current_tick;
 954
 955                                 snprintf(buf, sizeof buf, "%d", plsize);
 956 #ifdef HAVE_LCD_BITMAP
 957                                 FOR_NB_SCREENS(i)
 958                                 {
 959                                     screens[i].puts(0, 4, (unsigned char *)buf);
 960                                     gui_textarea_update(&screens[i]);
 961                                 }
 962 #else
 963                                 if (plsize > 999)
 964                                     x=7;
 965                                 else if (plsize > 99)
 966                                     x=8;
 967                                 else if (plsize > 9)
 968                                     x=9;
 969                                 else
 970                                     x = 10;
 971
 972                                 FOR_NB_SCREENS(i) {
 973                                     screens[i].puts(x,0,buf);
 974                                 }
 975 #endif
 976                             }
 977                             break;
 978                         }
 979                     }
 980                 }
 981             }
 982         }
 983     }
 984     closedir(dir);
 985
 986     return abort;
 987 }
 988
 989 bool create_playlist(void)
 990 {
 991     int fd;
 992     int i;
 993     char filename[MAX_PATH];
 994
 995     pltick = current_tick;
 996
 997     snprintf(filename, sizeof filename, "%s.m3u8",
 998              tc.currdir[1] ? tc.currdir : "/root");
 999     FOR_NB_SCREENS(i)
1000     {
1001         gui_textarea_clear(&screens[i]);
1002         screens[i].puts(0, 0, str(LANG_CREATING));
1003         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1004 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1005         gui_textarea_update(&screens[i]);
1006 #endif
1007     }
1008     fd = creat(filename);
1009     if (fd < 0)
1010         return false;
1011
1012     trigger_cpu_boost();
1013
1014     snprintf(filename, sizeof(filename), "%s",
1015              tc.currdir[1] ? tc.currdir : "/");
1016     plsize = 0;
1017     add_dir(filename, sizeof(filename), fd);
1018     close(fd);
1019
1020     cancel_cpu_boost();
1021     sleep(HZ);
1022
1023     return true;
1024 }
1025
1026 int rockbox_browse(const char *root, int dirfilter)
1027 {
1028     int ret_val = 0;
1029     int *last_filter = tc.dirfilter;
1030     tc.dirfilter = &dirfilter;
1031
1032     reload_dir = true;
1033     if (dirfilter >= NUM_FILTER_MODES)
1034     {
1035         static struct tree_context backup;
1036         int last_context;
1037
1038         backup = tc;
1039         tc.selected_item = 0;
1040         tc.dirlevel = 0;
1041         memcpy(tc.currdir, root, sizeof(tc.currdir));
1042         start_wps = false;
1043         last_context = curr_context;
1044
1045         ret_val = dirbrowse();
1046         tc = backup;
1047         curr_context = last_context;
1048     }
1049     else
1050     {
1051         static char buf[MAX_PATH];
1052         if (dirfilter != SHOW_ID3DB)
1053             tc.dirfilter = &global_settings.dirfilter;
1054         strcpy(buf,root);
1055         set_current_file(buf);
1056         ret_val = dirbrowse();
1057     }
1058     tc.dirfilter = last_filter;
1059     return ret_val;
1060 }
1061
1062 void tree_mem_init(void)
1063 {
1064     /* We copy the settings value in case it is changed by the user. We can't
1065        use it until the next reboot. */
1066     max_files = global_settings.max_files_in_dir;
1067
1068     /* initialize tree context struct */
1069     memset(&tc, 0, sizeof(tc));
1070     tc.dirfilter = &global_settings.dirfilter;
1071
1072     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1073     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1074
1075     tc.dircache_size = max_files * sizeof(struct entry);
1076     tc.dircache = buffer_alloc(tc.dircache_size);
1077     tree_get_filetypes(&filetypes, &filetypes_count);
1078 }
1079
1080 void bookmark_play(char *resume_file, int index, int offset, int seed,
1081                    char *filename)
1082 {
1083     int i;
1084     char* suffix = strrchr(resume_file, '.');
1085
1086     if (suffix != NULL &&
1087         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1088     {
1089         /* Playlist playback */
1090         char* slash;
1091         /* check that the file exists */
1092         int fd = open(resume_file, O_RDONLY);
1093         if(fd<0)
1094             return;
1095         close(fd);
1096
1097         slash = strrchr(resume_file,'/');
1098         if (slash)
1099         {
1100             char* cp;
1101             *slash=0;
1102
1103             cp=resume_file;
1104             if (!cp[0])
1105                 cp="/";
1106
1107             if (playlist_create(cp, slash+1) != -1)
1108             {
1109                 if (global_settings.playlist_shuffle)
1110                     playlist_shuffle(seed, -1);
1111                 playlist_start(index,offset);
1112             }
1113             *slash='/';
1114         }
1115     }
1116     else
1117     {
1118         /* Directory playback */
1119         lastdir[0]='\0';
1120         if (playlist_create(resume_file, NULL) != -1)
1121         {
1122             char* peek_filename;
1123             resume_directory(resume_file);
1124             if (global_settings.playlist_shuffle)
1125                 playlist_shuffle(seed, -1);
1126
1127             /* Check if the file is at the same spot in the directory,
1128                else search for it */
1129             peek_filename = playlist_peek(index);
1130
1131             if (peek_filename == NULL)
1132                 return;
1133
1134             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1135             {
1136                 for ( i=0; i < playlist_amount(); i++ )
1137                 {
1138                     peek_filename = playlist_peek(i);
1139
1140                     if (peek_filename == NULL)
1141                         return;
1142
1143                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1144                         break;
1145                 }
1146                 if (i < playlist_amount())
1147                     index = i;
1148                 else
1149                 {
1150                     /* File not found, so bail out. Maybe not the best
1151                      * message; perhaps "Bookmarked file not found"?
1152                      */
1153                     gui_syncsplash(HZ*2, ID2P(LANG_NOTHING_TO_RESUME));
1154                     return;
1155                 }
1156             }
1157             playlist_start(index,offset);
1158         }
1159     }
1160
1161     start_wps=true;
1162 }
1163
1164 static void say_filetype(int attr)
1165 {
1166     /* try to find a voice ID for the extension, if known */
1167     int j;
1168     attr &= FILE_ATTR_MASK; /* file type */
1169     for (j=0; j<filetypes_count; j++)
1170         if (attr == filetypes[j].tree_attr)
1171         {
1172             talk_id(filetypes[j].voiceclip, true);
1173             return;
1174         }
1175 }
1176
1177 static int ft_play_dirname(char* name)
1178 {
1179     int fd;
1180     char dirname_mp3_filename[MAX_PATH+1];
1181
1182 #if CONFIG_CODEC != SWCODEC
1183     if (audio_status() & AUDIO_STATUS_PLAY)
1184         return 0;
1185 #endif
1186
1187     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1188              tc.currdir[1] ? tc.currdir : "" , name,
1189              dir_thumbnail_name);
1190
1191     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1192
1193     fd = open(dirname_mp3_filename, O_RDONLY);
1194     if (fd < 0)
1195     {
1196         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1197         return -1;
1198     }
1199
1200     close(fd);
1201
1202     DEBUGF("Found: %s\n", dirname_mp3_filename);
1203
1204     talk_file(dirname_mp3_filename, false);
1205     if(global_settings.talk_filetype)
1206         talk_id(VOICE_DIR, true);
1207     return 1;
1208 }
1209
1210 static void ft_play_filename(char *dir, char *file)
1211 {
1212     char name_mp3_filename[MAX_PATH+1];
1213
1214 #if CONFIG_CODEC != SWCODEC
1215     if (audio_status() & AUDIO_STATUS_PLAY)
1216         return;
1217 #endif
1218
1219     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1220                     file_thumbnail_ext))
1221     {   /* file has no .talk extension */
1222         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1223                  "%s/%s%s", dir, file, file_thumbnail_ext);
1224
1225         talk_file(name_mp3_filename, false);
1226     }
1227     else
1228     {   /* it already is a .talk file, play this directly */
1229         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1230             "%s/%s", dir, file);
1231         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1232         talk_file(name_mp3_filename, true);
1233     }
1234 }
1235
1236 /* These two functions are called by the USB and shutdown handlers */
1237 void tree_flush(void)
1238 {
1239     scrobbler_shutdown();
1240 #ifdef HAVE_TAGCACHE
1241     tagcache_shutdown();
1242 #endif
1243     playlist_shutdown();
1244
1245 #ifdef HAVE_TC_RAMCACHE
1246     tagcache_unload_ramcache();
1247 #endif
1248
1249 #ifdef HAVE_DIRCACHE
1250     {
1251         int old_val = global_status.dircache_size;
1252         if (global_settings.dircache)
1253         {
1254             if (!dircache_is_initializing())
1255                 global_status.dircache_size = dircache_get_cache_size();
1256 # ifdef HAVE_EEPROM_SETTINGS
1257             if (firmware_settings.initialized)
1258                 dircache_save();
1259 # endif
1260             dircache_disable();
1261         }
1262         else
1263         {
1264             global_status.dircache_size = 0;
1265         }
1266         if (old_val != global_status.dircache_size)
1267             status_save();
1268     }
1269 #endif
1270 }
1271
1272 void tree_restore(void)
1273 {
1274 #ifdef HAVE_EEPROM_SETTINGS
1275     firmware_settings.disk_clean = false;
1276 #endif
1277
1278 #ifdef HAVE_TC_RAMCACHE
1279     remove(TAGCACHE_STATEFILE);
1280 #endif
1281
1282 #ifdef HAVE_DIRCACHE
1283     remove(DIRCACHE_FILE);
1284     if (global_settings.dircache)
1285     {
1286         /* Print "Scanning disk..." to the display. */
1287         int i;
1288         FOR_NB_SCREENS(i)
1289         {
1290             screens[i].putsxy((LCD_WIDTH/2) -
1291                               ((strlen(str(LANG_SCANNING_DISK)) *
1292                                 screens[i].char_width)/2),
1293                               LCD_HEIGHT-screens[i].char_height*3,
1294                               str(LANG_SCANNING_DISK));
1295             gui_textarea_update(&screens[i]);
1296         }
1297         cond_talk_ids_fq(LANG_SCANNING_DISK);
1298
1299         dircache_build(global_status.dircache_size);
1300
1301         /* Clean the text when we are done. */
1302         FOR_NB_SCREENS(i)
1303         {
1304             gui_textarea_clear(&screens[i]);
1305         }
1306     }
1307 #endif
1308 #ifdef HAVE_TAGCACHE
1309     tagcache_start_scan();
1310 #endif
1311     scrobbler_init();
1312 }