apps/tree.c

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