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 /*
 119  * removes the extension of filename (if it doesn't start with a .)
 120  * puts the result in buffer
 121  */
 122 static char * strip_extension(char * filename, char * buffer)
 123 {
 124     int dotpos;
 125     char * dot=strrchr(filename, '.');
 126     if(dot!=0 && filename[0]!='.')
 127     {
 128         dotpos = dot-filename;
 129         strncpy(buffer, filename, dotpos);
 130         buffer[dotpos]='\0';
 131         return(buffer);
 132     }
 133     else
 134         return(filename);
 135 }
 136
 137 static char * tree_get_filename(int selected_item, void * data, char *buffer)
 138 {
 139     struct tree_context * local_tc=(struct tree_context *)data;
 140     char *name;
 141     int attr=0;
 142     bool stripit = false;
 143 #ifdef HAVE_TAGCACHE
 144     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 145
 146     if (id3db)
 147     {
 148         return tagtree_get_entry(&tc, selected_item)->name;
 149     }
 150     else
 151 #endif
 152     {
 153         struct entry* dc = local_tc->dircache;
 154         struct entry* e = &dc[selected_item];
 155         name = e->name;
 156         attr = e->attr;
 157     }
 158
 159     if(!(attr & ATTR_DIRECTORY))
 160     {
 161         switch(global_settings.show_filename_ext)
 162         {
 163             case 0:
 164                 /* show file extension: off */
 165                 stripit = true;
 166                 break;
 167             case 1:
 168                 /* show file extension: on */
 169                 break;
 170             case 2:
 171                 /* show file extension: only unknown types */
 172                 stripit = filetype_supported(attr);
 173                 break;
 174             case 3:
 175             default:
 176                 /* show file extension: only when viewing all */
 177                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 178                           (*(local_tc->dirfilter) != SHOW_ALL);
 179                 break;
 180         }
 181     }
 182
 183     if(stripit)
 184     {
 185         return(strip_extension(name, buffer));
 186     }
 187     return(name);
 188 }
 189
 190 #ifdef HAVE_LCD_COLOR
 191 static int tree_get_filecolor(int selected_item, void * data)
 192 {
 193     if (*tc.dirfilter == SHOW_ID3DB)
 194         return -1;
 195     struct tree_context * local_tc=(struct tree_context *)data;
 196     struct entry* dc = local_tc->dircache;
 197     struct entry* e = &dc[selected_item];
 198     return filetype_get_color(e->name, e->attr);
 199 }
 200 #endif
 201
 202 static int tree_get_fileicon(int selected_item, void * data)
 203 {
 204     struct tree_context * local_tc=(struct tree_context *)data;
 205 #ifdef HAVE_TAGCACHE
 206     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 207     if (id3db) {
 208         return tagtree_get_icon(&tc);
 209     }
 210     else
 211 #endif
 212         {
 213         struct entry* dc = local_tc->dircache;
 214         struct entry* e = &dc[selected_item];
 215         return filetype_get_icon(e->attr);
 216     }
 217 }
 218
 219 static int tree_voice_cb(int selected_item, void * data)
 220 {
 221     struct tree_context * local_tc=(struct tree_context *)data;
 222     char *name;
 223     int attr=0;
 224 #ifdef HAVE_TAGCACHE
 225     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 226
 227     if (id3db)
 228     {
 229         attr = tagtree_get_attr(local_tc);
 230         name = tagtree_get_entry(local_tc, selected_item)->name;
 231     }
 232     else
 233 #endif
 234     {
 235         struct entry* dc = local_tc->dircache;
 236         struct entry* e = &dc[selected_item];
 237         name = e->name;
 238         attr = e->attr;
 239     }
 240     bool is_dir = (attr & ATTR_DIRECTORY);
 241     bool did_clip = false;
 242     /* First the .talk clip case */
 243     if(is_dir)
 244     {
 245         if(global_settings.talk_dir_clip)
 246         {
 247             DEBUGF("Playing directory thumbnail: %s", local_tc->currdir);
 248             did_clip = true;
 249             if(ft_play_dirname(name) <0)
 250                 /* failed, not existing */
 251                 did_clip = false;
 252         }
 253     } else { /* it's a file */
 254         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 255         {
 256             did_clip = true;
 257             DEBUGF("Playing file thumbnail: %s/%s%s\n",
 258                    local_tc->currdir, name, file_thumbnail_ext);
 259             ft_play_filename(local_tc->currdir, name);
 260         }
 261     }
 262     if(!did_clip)
 263     {
 264         /* say the number or spell if required or as a fallback */
 265         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 266         {
 267         case 1: /* as numbers */
 268             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 269             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 270                         true);
 271             if(global_settings.talk_filetype
 272                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 273                 say_filetype(attr);
 274             break;
 275         case 2: /* spelled */
 276             talk_shutup();
 277             if(global_settings.talk_filetype)
 278             {
 279                 if(is_dir)
 280                     talk_id(VOICE_DIR, true);
 281                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 282                     say_filetype(attr);
 283             }
 284             talk_spell(name, true);
 285             break;
 286         }
 287     }
 288     return 0;
 289 }
 290
 291 bool check_rockboxdir(void)
 292 {
 293     DIR *dir = opendir(ROCKBOX_DIR);
 294     if(!dir)
 295     {   /* No need to localise this message.
 296            If .rockbox is missing, it wouldn't work anyway */
 297         int i;
 298         FOR_NB_SCREENS(i)
 299             screens[i].clear_display();
 300         gui_syncsplash(HZ*2, "No .rockbox directory");
 301         FOR_NB_SCREENS(i)
 302             screens[i].clear_display();
 303         gui_syncsplash(HZ*2, "Installation incomplete");
 304         return false;
 305     }
 306     closedir(dir);
 307     return true;
 308 }
 309
 310 /* do this really late in the init sequence */
 311 void tree_gui_init(void)
 312 {
 313     gui_sync_wps_screen_init();
 314
 315     check_rockboxdir();
 316
 317     strcpy(tc.currdir, "/");
 318
 319 #ifdef HAVE_LCD_CHARCELLS
 320     int i;
 321     FOR_NB_SCREENS(i)
 322         screens[i].double_height(false);
 323 #endif
 324 #ifdef HAS_BUTTONBAR
 325     gui_buttonbar_init(&tree_buttonbar);
 326     /* since archos only have one screen, no need to create more than that */
 327     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 328 #endif
 329     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1);
 330     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 331     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 332 #ifdef HAVE_LCD_COLOR
 333     gui_list_set_color_callback(&tree_lists.gui_list[SCREEN_MAIN],
 334                                 &tree_get_filecolor);
 335 #endif
 336 }
 337
 338
 339
 340 struct tree_context* tree_get_context(void)
 341 {
 342     return &tc;
 343 }
 344
 345 /*
 346  * Returns the position of a given file in the current directory
 347  * returns -1 if not found
 348  */
 349 static int tree_get_file_position(char * filename)
 350 {
 351     int i;
 352
 353     /* use lastfile to determine the selected item (default=0) */
 354     for (i=0; i < tc.filesindir; i++)
 355     {
 356         struct entry* dc = tc.dircache;
 357         struct entry* e = &dc[i];
 358         if (!strcasecmp(e->name, filename))
 359             return(i);
 360     }
 361     return(-1);/* no file can match, returns undefined */
 362 }
 363
 364 /*
 365  * Called when a new dir is loaded (for example when returning from other apps ...)
 366  * also completely redraws the tree
 367  */
 368 static int update_dir(void)
 369 {
 370     bool changed = false;
 371 #ifdef HAVE_TAGCACHE
 372     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 373     /* Checks for changes */
 374     if (id3db) {
 375         if (tc.currtable != lasttable ||
 376             tc.currextra != lastextra ||
 377             tc.firstpos  != lastfirstpos ||
 378             reload_dir)
 379         {
 380             if (tagtree_load(&tc) < 0)
 381                 return -1;
 382
 383             lasttable = tc.currtable;
 384             lastextra = tc.currextra;
 385             lastfirstpos = tc.firstpos;
 386             changed = true;
 387         }
 388     }
 389     else
 390 #endif
 391     {
 392         /* if the tc.currdir has been changed, reload it ...*/
 393         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 394         {
 395             if (ft_load(&tc, NULL) < 0)
 396                 return -1;
 397             strcpy(lastdir, tc.currdir);
 398             changed = true;
 399         }
 400     }
 401     /* if selected item is undefined */
 402     if (tc.selected_item == -1)
 403     {
 404         /* use lastfile to determine the selected item */
 405         tc.selected_item = tree_get_file_position(lastfile);
 406
 407         /* If the file doesn't exists, select the first one (default) */
 408         if(tc.selected_item < 0)
 409             tc.selected_item = 0;
 410         changed = true;
 411     }
 412     if (changed)
 413     {
 414         if(
 415 #ifdef HAVE_TAGCACHE
 416         !id3db &&
 417 #endif
 418         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 419         {
 420             gui_syncsplash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 421         }
 422     }
 423 #ifdef HAVE_TAGCACHE
 424     if (id3db)
 425     {
 426         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 427             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 428         {
 429             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 430                 filetype_get_icon(ATTR_DIRECTORY));
 431         }
 432         else
 433         {
 434             /* Must clear the title as the list is reused */
 435             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 436         }
 437     }
 438     else
 439 #endif
 440     {
 441         if (global_settings.show_path_in_browser &&
 442             *(tc.dirfilter) == SHOW_PLUGINS)
 443         {
 444             char *title;
 445             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 446                 title = str(LANG_PLUGIN_GAMES);
 447             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 448                 title = str(LANG_PLUGIN_APPS);
 449             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 450                 title = str(LANG_PLUGIN_DEMOS);
 451             else title = str(LANG_PLUGINS);
 452             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 453         }
 454         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 455         {
 456             gui_synclist_set_title(&tree_lists, tc.currdir,
 457                 filetype_get_icon(ATTR_DIRECTORY));
 458         }
 459         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 460         {
 461             char *title = strrchr(tc.currdir, '/') + 1;
 462             if (*title == '\0')
 463             {
 464                 /* Display "Files" for the root dir */
 465                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 466                     filetype_get_icon(ATTR_DIRECTORY));
 467             }
 468             else
 469                 gui_synclist_set_title(&tree_lists, title,
 470                     filetype_get_icon(ATTR_DIRECTORY));
 471         }
 472         else
 473         {
 474             /* Must clear the title as the list is reused */
 475             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 476         }
 477     }
 478
 479     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 480     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 481     if( tc.selected_item >= tc.filesindir)
 482         tc.selected_item=tc.filesindir-1;
 483
 484     gui_synclist_select_item(&tree_lists, tc.selected_item);
 485 #ifdef HAS_BUTTONBAR
 486     if (global_settings.buttonbar) {
 487         if (*tc.dirfilter < NUM_FILTER_MODES)
 488             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 489                           str(LANG_SYSFONT_DIRBROWSE_F2),
 490                           str(LANG_SYSFONT_DIRBROWSE_F3));
 491         else
 492             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 493         gui_buttonbar_draw(&tree_buttonbar);
 494     }
 495 #endif
 496     gui_synclist_draw(&tree_lists);
 497     gui_synclist_speak_item(&tree_lists);
 498     gui_syncstatusbar_draw(&statusbars, true);
 499     return tc.filesindir;
 500 }
 501
 502 /* load tracks from specified directory to resume play */
 503 void resume_directory(const char *dir)
 504 {
 505 #ifdef HAVE_TAGCACHE
 506     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 507 #endif
 508
 509     if (ft_load(&tc, dir) < 0)
 510         return;
 511     lastdir[0] = 0;
 512
 513     ft_build_playlist(&tc, 0);
 514
 515 #ifdef HAVE_TAGCACHE
 516     if (id3db)
 517         tagtree_load(&tc);
 518 #endif
 519 }
 520
 521 /* Returns the current working directory and also writes cwd to buf if
 522    non-NULL.  In case of error, returns NULL. */
 523 char *getcwd(char *buf, int size)
 524 {
 525     if (!buf)
 526         return tc.currdir;
 527     else if (size > 0)
 528     {
 529         strncpy(buf, tc.currdir, size);
 530         return buf;
 531     }
 532     else
 533         return NULL;
 534 }
 535
 536 /* Force a reload of the directory next time directory browser is called */
 537 void reload_directory(void)
 538 {
 539     reload_dir = true;
 540 }
 541
 542 void get_current_file(char* buffer, int buffer_len)
 543 {
 544 #ifdef HAVE_TAGCACHE
 545     /* in ID3DB mode it is a bad idea to call this function */
 546     /* (only happens with `follow playlist') */
 547     if( *tc.dirfilter == SHOW_ID3DB )
 548         return;
 549 #endif
 550
 551     struct entry* dc = tc.dircache;
 552     struct entry* e = &dc[tc.selected_item];
 553     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 554                                           tc.dirlength ? e->name : "");
 555 }
 556
 557 /* Allow apps to change our dirfilter directly (required for sub browsers)
 558    if they're suddenly going to become a file browser for example */
 559 void set_dirfilter(int l_dirfilter)
 560 {
 561     *tc.dirfilter = l_dirfilter;
 562 }
 563
 564 /* Selects a file and update tree context properly */
 565 void set_current_file(char *path)
 566 {
 567     char *name;
 568     int i;
 569
 570 #ifdef HAVE_TAGCACHE
 571     /* in ID3DB mode it is a bad idea to call this function */
 572     /* (only happens with `follow playlist') */
 573     if( *tc.dirfilter == SHOW_ID3DB )
 574         return;
 575 #endif
 576
 577     /* separate directory from filename */
 578     /* gets the directory's name and put it into tc.currdir */
 579     name = strrchr(path+1,'/');
 580     if (name)
 581     {
 582         *name = 0;
 583         strcpy(tc.currdir, path);
 584         *name = '/';
 585         name++;
 586     }
 587     else
 588     {
 589         strcpy(tc.currdir, "/");
 590         name = path+1;
 591     }
 592
 593     strcpy(lastfile, name);
 594
 595
 596     /* If we changed dir we must recalculate the dirlevel
 597        and adjust the selected history properly */
 598     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 599     {
 600         tc.dirlevel =  0;
 601         tc.selected_item_history[tc.dirlevel] = -1;
 602
 603         /* use '/' to calculate dirlevel */
 604         for (i = 1; path[i] != '\0'; i++)
 605         {
 606             if (path[i] == '/')
 607             {
 608                 tc.dirlevel++;
 609                 tc.selected_item_history[tc.dirlevel] = -1;
 610             }
 611         }
 612     }
 613     if (ft_load(&tc, NULL) >= 0)
 614     {
 615         tc.selected_item = tree_get_file_position(lastfile);
 616     }
 617 }
 618
 619
 620 /* main loop, handles key events */
 621 static int dirbrowse()
 622 {
 623     int numentries=0;
 624     char buf[MAX_PATH];
 625     unsigned button, oldbutton;
 626     bool reload_root = false;
 627     int lastfilter = *tc.dirfilter;
 628     bool lastsortcase = global_settings.sort_case;
 629     bool exit_func = false;
 630
 631     char* currdir = tc.currdir; /* just a shortcut */
 632 #ifdef HAVE_TAGCACHE
 633     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 634
 635     if (id3db)
 636         curr_context=CONTEXT_ID3DB;
 637     else
 638 #endif
 639         curr_context=CONTEXT_TREE;
 640     if (tc.selected_item < 0)
 641         tc.selected_item = 0;
 642 #ifdef HAVE_TAGCACHE
 643     tc.firstpos = 0;
 644     lasttable = -1;
 645     lastextra = -1;
 646     lastfirstpos = 0;
 647 #endif
 648
 649     start_wps = false;
 650     numentries = update_dir();
 651     reload_dir = false;
 652     if (numentries == -1)
 653         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 654
 655     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 656     {
 657         gui_syncsplash(HZ*2, ID2P(LANG_NO_FILES));
 658         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 659     }
 660
 661     while(1) {
 662         struct entry *dircache = tc.dircache;
 663         bool restore = false;
 664         if (tc.dirlevel < 0)
 665             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 666 #ifdef BOOTFILE
 667         if (boot_changed) {
 668             char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 669             struct text_message message={lines, 2};
 670             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 671                 rolo_load("/" BOOTFILE);
 672             restore = true;
 673             boot_changed = false;
 674         }
 675 #endif
 676         button = get_action(CONTEXT_TREE,
 677                             list_do_action_timeout(&tree_lists, HZ/2));
 678         oldbutton = button;
 679         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 680         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 681         switch ( button ) {
 682             case ACTION_STD_OK:
 683                 /* nothing to do if no files to display */
 684                 if ( numentries == 0 )
 685                     break;
 686
 687 #ifdef HAVE_TAGCACHE
 688                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 689 #else
 690                 switch (ft_enter(&tc))
 691 #endif
 692                 {
 693                     case 1: reload_dir = true; break;
 694                     case 2: start_wps = true; break;
 695                     case 3: exit_func = true; break;
 696                     default: break;
 697                 }
 698                 restore = true;
 699                 break;
 700
 701             case ACTION_STD_CANCEL:
 702                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 703                     exit_func = true;
 704                     break;
 705                 }
 706                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 707                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 708                 {
 709 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 710                     if (oldbutton == ACTION_TREE_PGLEFT)
 711                         break;
 712                     else
 713 #endif
 714                         return GO_TO_ROOT;
 715                 }
 716
 717 #ifdef HAVE_TAGCACHE
 718                 if (id3db)
 719                     tagtree_exit(&tc);
 720                 else
 721 #endif
 722                     if (ft_exit(&tc) == 3)
 723                         exit_func = true;
 724
 725                 restore = true;
 726                 break;
 727
 728             case ACTION_TREE_STOP:
 729                 if (list_stop_handler())
 730                     restore = true;
 731                 break;
 732
 733             case ACTION_STD_MENU:
 734                 return GO_TO_ROOT;
 735                 break;
 736
 737 #ifdef HAVE_RECORDING
 738             case ACTION_STD_REC:
 739                 return GO_TO_RECSCREEN;
 740 #endif
 741
 742             case ACTION_TREE_WPS:
 743                 return GO_TO_PREVIOUS_MUSIC;
 744                 break;
 745 #ifdef HAVE_QUICKSCREEN
 746             case ACTION_STD_QUICKSCREEN:
 747                 /* don't enter f2 from plugin browser */
 748                 if (*tc.dirfilter < NUM_FILTER_MODES)
 749                 {
 750                     if (quick_screen_quick(button))
 751                         reload_dir = true;
 752                     restore = true;
 753                 }
 754                 break;
 755 #endif
 756 #ifdef BUTTON_F3
 757             case ACTION_F3:
 758                 /* don't enter f3 from plugin browser */
 759                 if (*tc.dirfilter < NUM_FILTER_MODES)
 760                 {
 761                     if (quick_screen_f3(BUTTON_F3))
 762                         reload_dir = true;
 763                     restore = true;
 764                 }
 765                 break;
 766 #endif
 767
 768             case ACTION_STD_CONTEXT:
 769             {
 770                 int onplay_result;
 771                 int attr = 0;
 772
 773                 if(!numentries)
 774                     onplay_result = onplay(NULL, 0, curr_context);
 775                 else {
 776 #ifdef HAVE_TAGCACHE
 777                     if (id3db)
 778                     {
 779                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 780                         {
 781                             attr = FILE_ATTR_AUDIO;
 782                             tagtree_get_filename(&tc, buf, sizeof(buf));
 783                         }
 784                         else
 785                             attr = ATTR_DIRECTORY;
 786                     }
 787                     else
 788 #endif
 789                     {
 790                         attr = dircache[tc.selected_item].attr;
 791
 792                         if (currdir[1]) /* Not in / */
 793                             snprintf(buf, sizeof buf, "%s/%s",
 794                                      currdir,
 795                                      dircache[tc.selected_item].name);
 796                         else /* In / */
 797                             snprintf(buf, sizeof buf, "/%s",
 798                                      dircache[tc.selected_item].name);
 799                     }
 800                     onplay_result = onplay(buf, attr, curr_context);
 801                 }
 802                 switch (onplay_result)
 803                 {
 804                     case ONPLAY_MAINMENU:
 805                         return GO_TO_ROOT;
 806
 807                     case ONPLAY_OK:
 808                         restore = true;
 809                         break;
 810
 811                     case ONPLAY_RELOAD_DIR:
 812                         reload_dir = true;
 813                         break;
 814
 815                     case ONPLAY_START_PLAY:
 816                         return GO_TO_WPS;
 817                         break;
 818                 }
 819                 break;
 820             }
 821
 822             case ACTION_NONE:
 823                 gui_syncstatusbar_draw(&statusbars, false);
 824                 break;
 825
 826 #ifdef HAVE_HOTSWAP
 827             case SYS_FS_CHANGED:
 828 #ifdef HAVE_TAGCACHE
 829                 if (!id3db)
 830 #endif
 831                     reload_dir = true;
 832                 /* The 'dir no longer valid' situation will be caught later
 833                  * by checking the showdir() result. */
 834                 break;
 835 #endif
 836
 837             default:
 838                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 839                 {
 840                     if(*tc.dirfilter > NUM_FILTER_MODES)
 841                         /* leave sub-browsers after usb, doing otherwise
 842                            might be confusing to the user */
 843                         exit_func = true;
 844                     else
 845                         reload_dir = true;
 846                 }
 847                 break;
 848         }
 849         if (start_wps)
 850             return GO_TO_WPS;
 851         if (button)
 852         {
 853             ata_spin();
 854         }
 855
 856
 857     check_rescan:
 858         /* do we need to rescan dir? */
 859         if (reload_dir || reload_root ||
 860             lastfilter != *tc.dirfilter ||
 861             lastsortcase != global_settings.sort_case)
 862         {
 863             if (reload_root) {
 864                 strcpy(currdir, "/");
 865                 tc.dirlevel = 0;
 866 #ifdef HAVE_TAGCACHE
 867                 tc.currtable = 0;
 868                 tc.currextra = 0;
 869                 lasttable = -1;
 870                 lastextra = -1;
 871 #endif
 872                 reload_root = false;
 873             }
 874
 875             if (!reload_dir)
 876             {
 877                 gui_synclist_select_item(&tree_lists, 0);
 878                 gui_synclist_draw(&tree_lists);
 879                 tc.selected_item = 0;
 880                 lastdir[0] = 0;
 881             }
 882
 883             lastfilter = *tc.dirfilter;
 884             lastsortcase = global_settings.sort_case;
 885             restore = true;
 886         }
 887
 888         if (exit_func)
 889             return GO_TO_PREVIOUS;
 890
 891         if (restore || reload_dir) {
 892             /* restore display */
 893             numentries = update_dir();
 894             reload_dir = false;
 895             if (currdir[1] && (numentries < 0))
 896             {   /* not in root and reload failed */
 897                 reload_root = true; /* try root */
 898                 goto check_rescan;
 899             }
 900         }
 901     }
 902     return true;
 903 }
 904
 905 static int plsize = 0;
 906 static long pltick;
 907 static bool add_dir(char* dirname, int len, int fd)
 908 {
 909     bool abort = false;
 910     DIR* dir;
 911
 912     /* check for user abort */
 913     if (action_userabort(TIMEOUT_NOBLOCK))
 914         return true;
 915
 916     dir = opendir(dirname);
 917     if(!dir)
 918         return true;
 919
 920     while (true) {
 921         struct dirent *entry;
 922
 923         entry = readdir(dir);
 924         if (!entry)
 925             break;
 926         if (entry->attribute & ATTR_DIRECTORY) {
 927             int dirlen = strlen(dirname);
 928             bool result;
 929
 930             if (!strcmp((char *)entry->d_name, ".") ||
 931                 !strcmp((char *)entry->d_name, ".."))
 932                 continue;
 933
 934             if (dirname[1])
 935                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
 936             else
 937                 snprintf(dirname, len, "/%s", entry->d_name);
 938
 939             result = add_dir(dirname, len, fd);
 940             dirname[dirlen] = '\0';
 941             if (result) {
 942                 abort = true;
 943                 break;
 944             }
 945         }
 946         else {
 947             int x = strlen((char *)entry->d_name);
 948             int i;
 949             char *cp = strrchr((char *)entry->d_name,'.');
 950
 951             if (cp) {
 952                 cp++;
 953
 954                 /* add all supported audio files to playlists */
 955                 for (i=0; i < filetypes_count; i++) {
 956                     if (filetypes[i].tree_attr == FILE_ATTR_AUDIO) {
 957                         if (!strcasecmp(cp, filetypes[i].extension)) {
 958                             char buf[8];
 959                             int i;
 960                             write(fd, dirname, strlen(dirname));
 961                             write(fd, "/", 1);
 962                             write(fd, entry->d_name, x);
 963                             write(fd, "\n", 1);
 964
 965                             plsize++;
 966                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
 967                                 pltick = current_tick;
 968
 969                                 snprintf(buf, sizeof buf, "%d", plsize);
 970 #ifdef HAVE_LCD_BITMAP
 971                                 FOR_NB_SCREENS(i)
 972                                 {
 973                                     screens[i].puts(0, 4, (unsigned char *)buf);
 974                                     gui_textarea_update(&screens[i]);
 975                                 }
 976 #else
 977                                 if (plsize > 999)
 978                                     x=7;
 979                                 else if (plsize > 99)
 980                                     x=8;
 981                                 else if (plsize > 9)
 982                                     x=9;
 983                                 else
 984                                     x = 10;
 985
 986                                 FOR_NB_SCREENS(i) {
 987                                     screens[i].puts(x,0,buf);
 988                                 }
 989 #endif
 990                             }
 991                             break;
 992                         }
 993                     }
 994                 }
 995             }
 996         }
 997     }
 998     closedir(dir);
 999
1000     return abort;
1001 }
1002
1003 bool create_playlist(void)
1004 {
1005     int fd;
1006     int i;
1007     char filename[MAX_PATH];
1008
1009     pltick = current_tick;
1010
1011     snprintf(filename, sizeof filename, "%s.m3u8",
1012              tc.currdir[1] ? tc.currdir : "/root");
1013     FOR_NB_SCREENS(i)
1014     {
1015         gui_textarea_clear(&screens[i]);
1016         screens[i].puts(0, 0, str(LANG_CREATING));
1017         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1018 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1019         gui_textarea_update(&screens[i]);
1020 #endif
1021     }
1022     fd = creat(filename);
1023     if (fd < 0)
1024         return false;
1025
1026     trigger_cpu_boost();
1027
1028     snprintf(filename, sizeof(filename), "%s",
1029              tc.currdir[1] ? tc.currdir : "/");
1030     plsize = 0;
1031     add_dir(filename, sizeof(filename), fd);
1032     close(fd);
1033
1034     cancel_cpu_boost();
1035     sleep(HZ);
1036
1037     return true;
1038 }
1039
1040 int rockbox_browse(const char *root, int dirfilter)
1041 {
1042     int ret_val = 0;
1043     int *last_filter = tc.dirfilter;
1044     tc.dirfilter = &dirfilter;
1045
1046     reload_dir = true;
1047     if (dirfilter >= NUM_FILTER_MODES)
1048     {
1049         static struct tree_context backup;
1050         int last_context;
1051
1052         backup = tc;
1053         tc.selected_item = 0;
1054         tc.dirlevel = 0;
1055         memcpy(tc.currdir, root, sizeof(tc.currdir));
1056         start_wps = false;
1057         last_context = curr_context;
1058
1059         ret_val = dirbrowse();
1060         tc = backup;
1061         curr_context = last_context;
1062     }
1063     else
1064     {
1065         static char buf[MAX_PATH];
1066         if (dirfilter != SHOW_ID3DB)
1067             tc.dirfilter = &global_settings.dirfilter;
1068         strcpy(buf,root);
1069         set_current_file(buf);
1070         ret_val = dirbrowse();
1071     }
1072     tc.dirfilter = last_filter;
1073     return ret_val;
1074 }
1075
1076 void tree_mem_init(void)
1077 {
1078     /* We copy the settings value in case it is changed by the user. We can't
1079        use it until the next reboot. */
1080     max_files = global_settings.max_files_in_dir;
1081
1082     /* initialize tree context struct */
1083     memset(&tc, 0, sizeof(tc));
1084     tc.dirfilter = &global_settings.dirfilter;
1085
1086     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1087     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1088
1089     tc.dircache_size = max_files * sizeof(struct entry);
1090     tc.dircache = buffer_alloc(tc.dircache_size);
1091     tree_get_filetypes(&filetypes, &filetypes_count);
1092 }
1093
1094 void bookmark_play(char *resume_file, int index, int offset, int seed,
1095                    char *filename)
1096 {
1097     int i;
1098     char* suffix = strrchr(resume_file, '.');
1099
1100     if (suffix != NULL &&
1101         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1102     {
1103         /* Playlist playback */
1104         char* slash;
1105         /* check that the file exists */
1106         int fd = open(resume_file, O_RDONLY);
1107         if(fd<0)
1108             return;
1109         close(fd);
1110
1111         slash = strrchr(resume_file,'/');
1112         if (slash)
1113         {
1114             char* cp;
1115             *slash=0;
1116
1117             cp=resume_file;
1118             if (!cp[0])
1119                 cp="/";
1120
1121             if (playlist_create(cp, slash+1) != -1)
1122             {
1123                 if (global_settings.playlist_shuffle)
1124                     playlist_shuffle(seed, -1);
1125                 playlist_start(index,offset);
1126             }
1127             *slash='/';
1128         }
1129     }
1130     else
1131     {
1132         /* Directory playback */
1133         lastdir[0]='\0';
1134         if (playlist_create(resume_file, NULL) != -1)
1135         {
1136             char* peek_filename;
1137             resume_directory(resume_file);
1138             if (global_settings.playlist_shuffle)
1139                 playlist_shuffle(seed, -1);
1140
1141             /* Check if the file is at the same spot in the directory,
1142                else search for it */
1143             peek_filename = playlist_peek(index);
1144
1145             if (peek_filename == NULL)
1146                 return;
1147
1148             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1149             {
1150                 for ( i=0; i < playlist_amount(); i++ )
1151                 {
1152                     peek_filename = playlist_peek(i);
1153
1154                     if (peek_filename == NULL)
1155                         return;
1156
1157                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1158                         break;
1159                 }
1160                 if (i < playlist_amount())
1161                     index = i;
1162                 else
1163                     return;
1164             }
1165             playlist_start(index,offset);
1166         }
1167     }
1168
1169     start_wps=true;
1170 }
1171
1172 static void say_filetype(int attr)
1173 {
1174     /* try to find a voice ID for the extension, if known */
1175     int j;
1176     attr &= FILE_ATTR_MASK; /* file type */
1177     for (j=0; j<filetypes_count; j++)
1178         if (attr == filetypes[j].tree_attr)
1179         {
1180             talk_id(filetypes[j].voiceclip, true);
1181             return;
1182         }
1183 }
1184
1185 static int ft_play_dirname(char* name)
1186 {
1187     int fd;
1188     char dirname_mp3_filename[MAX_PATH+1];
1189
1190 #if CONFIG_CODEC != SWCODEC
1191     if (audio_status() & AUDIO_STATUS_PLAY)
1192         return 0;
1193 #endif
1194
1195     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1196              tc.currdir[1] ? tc.currdir : "" , name,
1197              dir_thumbnail_name);
1198
1199     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1200
1201     fd = open(dirname_mp3_filename, O_RDONLY);
1202     if (fd < 0)
1203     {
1204         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1205         return -1;
1206     }
1207
1208     close(fd);
1209
1210     DEBUGF("Found: %s\n", dirname_mp3_filename);
1211
1212     talk_file(dirname_mp3_filename, false);
1213     if(global_settings.talk_filetype)
1214         talk_id(VOICE_DIR, true);
1215     return 1;
1216 }
1217
1218 static void ft_play_filename(char *dir, char *file)
1219 {
1220     char name_mp3_filename[MAX_PATH+1];
1221
1222 #if CONFIG_CODEC != SWCODEC
1223     if (audio_status() & AUDIO_STATUS_PLAY)
1224         return;
1225 #endif
1226
1227     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1228                     file_thumbnail_ext))
1229     {   /* file has no .talk extension */
1230         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1231                  "%s/%s%s", dir, file, file_thumbnail_ext);
1232
1233         talk_file(name_mp3_filename, false);
1234     }
1235     else
1236     {   /* it already is a .talk file, play this directly */
1237         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1238             "%s/%s", dir, file);
1239         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1240         talk_file(name_mp3_filename, true);
1241     }
1242 }
1243
1244 /* These two functions are called by the USB and shutdown handlers */
1245 void tree_flush(void)
1246 {
1247     scrobbler_shutdown();
1248 #ifdef HAVE_TAGCACHE
1249     tagcache_shutdown();
1250 #endif
1251     playlist_shutdown();
1252
1253 #ifdef HAVE_TC_RAMCACHE
1254     tagcache_unload_ramcache();
1255 #endif
1256
1257 #ifdef HAVE_DIRCACHE
1258     {
1259         int old_val = global_status.dircache_size;
1260         if (global_settings.dircache)
1261         {
1262             if (!dircache_is_initializing())
1263                 global_status.dircache_size = dircache_get_cache_size();
1264 # ifdef HAVE_EEPROM_SETTINGS
1265             if (firmware_settings.initialized)
1266                 dircache_save();
1267 # endif
1268             dircache_disable();
1269         }
1270         else
1271         {
1272             global_status.dircache_size = 0;
1273         }
1274         if (old_val != global_status.dircache_size)
1275             status_save();
1276     }
1277 #endif
1278 }
1279
1280 void tree_restore(void)
1281 {
1282 #ifdef HAVE_EEPROM_SETTINGS
1283     firmware_settings.disk_clean = false;
1284 #endif
1285
1286 #ifdef HAVE_TC_RAMCACHE
1287     remove(TAGCACHE_STATEFILE);
1288 #endif
1289
1290 #ifdef HAVE_DIRCACHE
1291     remove(DIRCACHE_FILE);
1292     if (global_settings.dircache)
1293     {
1294         /* Print "Scanning disk..." to the display. */
1295         int i;
1296         FOR_NB_SCREENS(i)
1297         {
1298             screens[i].putsxy((LCD_WIDTH/2) -
1299                               ((strlen(str(LANG_SCANNING_DISK)) *
1300                                 screens[i].char_width)/2),
1301                               LCD_HEIGHT-screens[i].char_height*3,
1302                               str(LANG_SCANNING_DISK));
1303             gui_textarea_update(&screens[i]);
1304         }
1305         cond_talk_ids_fq(LANG_SCANNING_DISK);
1306
1307         dircache_build(global_status.dircache_size);
1308
1309         /* Clean the text when we are done. */
1310         FOR_NB_SCREENS(i)
1311         {
1312             gui_textarea_clear(&screens[i]);
1313         }
1314     }
1315 #endif
1316 #ifdef HAVE_TAGCACHE
1317     tagcache_start_scan();
1318 #endif
1319     scrobbler_init();
1320 }