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 "main_menu.h"
  35 #include "sprintf.h"
  36 #include "audio.h"
  37 #include "playlist.h"
  38 #include "menu.h"
  39 #include "gwps.h"
  40 #include "settings.h"
  41 #include "status.h"
  42 #include "debug.h"
  43 #include "ata.h"
  44 #include "rolo.h"
  45 #include "icons.h"
  46 #include "lang.h"
  47 #include "language.h"
  48 #include "screens.h"
  49 #include "keyboard.h"
  50 #include "bookmark.h"
  51 #include "onplay.h"
  52 #include "buffer.h"
  53 #include "plugin.h"
  54 #include "power.h"
  55 #include "action.h"
  56 #include "talk.h"
  57 #include "filetypes.h"
  58 #include "misc.h"
  59 #include "filetree.h"
  60 #include "tagtree.h"
  61 #ifdef HAVE_RECORDING
  62 #include "recorder/recording.h"
  63 #endif
  64 #include "rtc.h"
  65 #include "dircache.h"
  66 #ifdef HAVE_TAGCACHE
  67 #include "tagcache.h"
  68 #endif
  69 #include "yesno.h"
  70 #include "gwps-common.h"
  71 #include "eeprom_settings.h"
  72 #include "scrobbler.h"
  73
  74 /* gui api */
  75 #include "list.h"
  76 #include "statusbar.h"
  77 #include "splash.h"
  78 #include "buttonbar.h"
  79 #include "textarea.h"
  80 #include "action.h"
  81
  82 #include "root_menu.h"
  83
  84 #if LCD_DEPTH > 1
  85 #include "backdrop.h"
  86 #endif
  87
  88 /* a table for the know file types */
  89 const struct filetype filetypes[] = {
  90     { "mp3", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  91     { "mp2", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  92     { "mpa", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  93 #if CONFIG_CODEC == SWCODEC
  94     /* Temporary hack to allow playlist creation */
  95     { "mp1", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  96     { "ogg", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  97     { "wma", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  98     { "wav", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  99     { "flac",TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 100     { "ac3", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 101     { "a52", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 102     { "mpc", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 103     { "wv",  TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 104     { "m4a", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 105     { "m4b", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 106     { "mp4", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 107     { "shn", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 108     { "aif", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 109     { "aiff",TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 110     { "spx" ,TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 111     { "sid", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 112     { "adx", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 113     { "nsf", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 114     { "nsfe", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 115     { "spc", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 116 #endif
 117     { "m3u", TREE_ATTR_M3U, Icon_Playlist, LANG_PLAYLIST },
 118     { "m3u8", TREE_ATTR_M3U, Icon_Playlist, LANG_PLAYLIST },
 119     { "cfg", TREE_ATTR_CFG, Icon_Config, VOICE_EXT_CFG },
 120     { "wps", TREE_ATTR_WPS, Icon_Wps, VOICE_EXT_WPS },
 121 #ifdef HAVE_REMOTE_LCD
 122     { "rwps", TREE_ATTR_RWPS, Icon_Wps, VOICE_EXT_RWPS },
 123 #endif
 124 #if LCD_DEPTH > 1
 125     { "bmp", TREE_ATTR_BMP, Icon_Wps, VOICE_EXT_WPS },
 126 #endif
 127 #if CONFIG_TUNER
 128     { "fmr", TREE_ATTR_FMR, Icon_Preset, LANG_FMR },
 129 #endif
 130     { "lng", TREE_ATTR_LNG, Icon_Language, LANG_LANGUAGE },
 131     { "rock",TREE_ATTR_ROCK,Icon_Plugin, VOICE_EXT_ROCK },
 132 #ifdef HAVE_LCD_BITMAP
 133     { "fnt", TREE_ATTR_FONT,Icon_Font, VOICE_EXT_FONT },
 134     { "kbd", TREE_ATTR_KBD, Icon_Keyboard, VOICE_EXT_KBD },
 135 #endif
 136     { "bmark",TREE_ATTR_BMARK, Icon_Bookmark, VOICE_EXT_BMARK },
 137     { "cue", TREE_ATTR_CUE, Icon_Bookmark, LANG_CUESHEET },
 138 #ifdef BOOTFILE_EXT
 139     { BOOTFILE_EXT, TREE_ATTR_MOD, Icon_Firmware, VOICE_EXT_AJZ },
 140 #endif /* #ifndef SIMULATOR */
 141 };
 142
 143 struct gui_synclist tree_lists;
 144
 145 /* I put it here because other files doesn't use it yet,
 146  * but should be elsewhere since it will be used mostly everywhere */
 147 #ifdef HAS_BUTTONBAR
 148 struct gui_buttonbar tree_buttonbar;
 149 #endif
 150 static struct tree_context tc;
 151
 152 bool boot_changed = false;
 153
 154 char lastfile[MAX_PATH];
 155 static char lastdir[MAX_PATH];
 156 #ifdef HAVE_TAGCACHE
 157 static int lasttable, lastextra, lastfirstpos;
 158 #endif
 159 static int max_files = 0;
 160
 161 static bool reload_dir = false;
 162
 163 static bool start_wps = false;
 164 static int curr_context = false;/* id3db or tree*/
 165
 166 int dirbrowse(void);
 167
 168 /*
 169  * removes the extension of filename (if it doesn't start with a .)
 170  * puts the result in buffer
 171  */
 172 static char * strip_extension(char * filename, char * buffer)
 173 {
 174     int dotpos;
 175     char * dot=strrchr(filename, '.');
 176     if(dot!=0 && filename[0]!='.')
 177     {
 178         dotpos = dot-filename;
 179         strncpy(buffer, filename, dotpos);
 180         buffer[dotpos]='\0';
 181         return(buffer);
 182     }
 183     else
 184         return(filename);
 185 }
 186
 187 static char * tree_get_filename(int selected_item, void * data, char *buffer)
 188 {
 189     struct tree_context * local_tc=(struct tree_context *)data;
 190     char *name;
 191     int attr=0;
 192 #ifdef HAVE_TAGCACHE
 193     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 194
 195     if (id3db)
 196     {
 197         return tagtree_get_entry(&tc, selected_item)->name;
 198     }
 199     else
 200 #endif
 201     {
 202         struct entry* dc = local_tc->dircache;
 203         struct entry* e = &dc[selected_item];
 204         name = e->name;
 205         attr = e->attr;
 206     }
 207     /* if any file filter is on, and if it's not a directory,
 208      * strip the extension */
 209
 210     if ( (*(local_tc->dirfilter) != SHOW_ID3DB) && !(attr & ATTR_DIRECTORY)
 211         && (*(local_tc->dirfilter) != SHOW_ALL) )
 212     {
 213         return(strip_extension(name, buffer));
 214     }
 215     return(name);
 216 }
 217
 218
 219 static void tree_get_fileicon(int selected_item, void * data, ICON * icon)
 220 {
 221     struct tree_context * local_tc=(struct tree_context *)data;
 222 #ifdef HAVE_TAGCACHE
 223     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 224     if (id3db) {
 225         *icon = (ICON)tagtree_get_icon(&tc);
 226     }
 227     else
 228 #endif
 229         {
 230         struct entry* dc = local_tc->dircache;
 231         struct entry* e = &dc[selected_item];
 232         *icon = (ICON)filetype_get_icon(e->attr);
 233     }
 234 }
 235
 236 bool check_rockboxdir(void)
 237 {
 238     DIR *dir = opendir(ROCKBOX_DIR);
 239     if(!dir)
 240     {   /* No need to localise this message.
 241            If .rockbox is missing, it wouldn't work anyway */
 242         int i;
 243         FOR_NB_SCREENS(i)
 244             screens[i].clear_display();
 245         gui_syncsplash(HZ*2, true, "No .rockbox directory");
 246         FOR_NB_SCREENS(i)
 247             screens[i].clear_display();
 248         gui_syncsplash(HZ*2, true, "Installation incomplete");
 249         return false;
 250     }
 251     closedir(dir);
 252     return true;
 253 }
 254
 255 void browse_root(void)
 256 {
 257     gui_sync_wps_screen_init();
 258
 259     filetype_init();
 260     check_rockboxdir();
 261
 262     strcpy(tc.currdir, "/");
 263
 264 #ifdef HAVE_LCD_CHARCELLS
 265     int i;
 266     FOR_NB_SCREENS(i)
 267         screens[i].double_height(false);
 268 #endif
 269 #ifdef HAS_BUTTONBAR
 270     gui_buttonbar_init(&tree_buttonbar);
 271     /* since archos only have one screen, no need to create more than that */
 272     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 273 #endif
 274     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1);
 275     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 276     /* not the best place for this call... but... */
 277     root_menu();
 278 }
 279
 280 void tree_get_filetypes(const struct filetype** types, int* count)
 281 {
 282     *types = filetypes;
 283     *count = sizeof(filetypes) / sizeof(*filetypes);
 284 }
 285
 286 struct tree_context* tree_get_context(void)
 287 {
 288     return &tc;
 289 }
 290
 291 /* talkbox hovering delay, to avoid immediate disk activity */
 292 #define HOVER_DELAY (HZ/2)
 293 /*
 294  * Returns the position of a given file in the current directory
 295  * returns -1 if not found
 296  */
 297 static int tree_get_file_position(char * filename)
 298 {
 299     int i;
 300
 301     /* use lastfile to determine the selected item (default=0) */
 302     for (i=0; i < tc.filesindir; i++)
 303     {
 304         struct entry* dc = tc.dircache;
 305         struct entry* e = &dc[i];
 306         if (!strcasecmp(e->name, filename))
 307             return(i);
 308     }
 309     return(-1);/* no file can match, returns undefined */
 310 }
 311
 312 /*
 313  * Called when a new dir is loaded (for example when returning from other apps ...)
 314  * also completely redraws the tree
 315  */
 316 static int update_dir(void)
 317 {
 318   bool changed = false;
 319 #ifdef HAVE_TAGCACHE
 320     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 321     /* Checks for changes */
 322     if (id3db) {
 323         if (tc.currtable != lasttable ||
 324             tc.currextra != lastextra ||
 325             tc.firstpos  != lastfirstpos ||
 326             reload_dir)
 327         {
 328             if (tagtree_load(&tc) < 0)
 329                 return -1;
 330
 331             lasttable = tc.currtable;
 332             lastextra = tc.currextra;
 333             lastfirstpos = tc.firstpos;
 334             changed = true;
 335         }
 336     }
 337     else
 338 #endif
 339         {
 340         /* if the tc.currdir has been changed, reload it ...*/
 341         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir) {
 342
 343             if (ft_load(&tc, NULL) < 0)
 344                 return -1;
 345             strcpy(lastdir, tc.currdir);
 346             changed = true;
 347         }
 348     }
 349     /* if selected item is undefined */
 350     if (tc.selected_item == -1)
 351     {
 352         /* use lastfile to determine the selected item */
 353         tc.selected_item = tree_get_file_position(lastfile);
 354
 355         /* If the file doesn't exists, select the first one (default) */
 356         if(tc.selected_item < 0)
 357             tc.selected_item = 0;
 358         changed = true;
 359     }
 360     if (changed)
 361     {
 362         if(
 363 #ifdef HAVE_TAGCACHE
 364         !id3db &&
 365 #endif
 366         (tc.dirfull ||
 367                       tc.filesindir == global_settings.max_files_in_dir) )
 368         {
 369             gui_syncsplash(HZ, true, str(LANG_SHOWDIR_BUFFER_FULL));
 370         }
 371     }
 372 #ifdef HAVE_TAGCACHE
 373     if (id3db)
 374     {
 375         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 376             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 377         {
 378             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 379                 filetype_get_icon(ATTR_DIRECTORY));
 380         }
 381         else
 382         {
 383             /* Must clear the title as the list is reused */
 384             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 385         }
 386     }
 387     else
 388 #endif
 389     {
 390         if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 391         {
 392             gui_synclist_set_title(&tree_lists, tc.currdir,
 393                 filetype_get_icon(ATTR_DIRECTORY));
 394         }
 395         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 396         {
 397             char *title = strrchr(tc.currdir, '/') + 1;
 398             if (*title == '\0')
 399             {
 400                 /* Display "Files" for the root dir */
 401                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 402                     filetype_get_icon(ATTR_DIRECTORY));
 403             }
 404             else
 405                 gui_synclist_set_title(&tree_lists, title,
 406                     filetype_get_icon(ATTR_DIRECTORY));
 407         }
 408         else
 409         {
 410             /* Must clear the title as the list is reused */
 411             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 412         }
 413     }
 414
 415     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 416     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 417     if( tc.selected_item >= tc.filesindir)
 418         tc.selected_item=tc.filesindir-1;
 419
 420     gui_synclist_select_item(&tree_lists, tc.selected_item);
 421 #ifdef HAS_BUTTONBAR
 422     if (global_settings.buttonbar) {
 423         if (*tc.dirfilter < NUM_FILTER_MODES)
 424             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 425                           str(LANG_SYSFONT_DIRBROWSE_F2),
 426                           str(LANG_SYSFONT_DIRBROWSE_F3));
 427         else
 428             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 429         gui_buttonbar_draw(&tree_buttonbar);
 430     }
 431 #endif
 432     gui_synclist_draw(&tree_lists);
 433     gui_syncstatusbar_draw(&statusbars, true);
 434     return tc.filesindir;
 435 }
 436
 437 /* load tracks from specified directory to resume play */
 438 void resume_directory(const char *dir)
 439 {
 440 #ifdef HAVE_TAGCACHE
 441     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 442 #endif
 443
 444     if (ft_load(&tc, dir) < 0)
 445         return;
 446     lastdir[0] = 0;
 447
 448     ft_build_playlist(&tc, 0);
 449
 450 #ifdef HAVE_TAGCACHE
 451     if (id3db)
 452         tagtree_load(&tc);
 453 #endif
 454 }
 455
 456 /* Returns the current working directory and also writes cwd to buf if
 457    non-NULL.  In case of error, returns NULL. */
 458 char *getcwd(char *buf, int size)
 459 {
 460     if (!buf)
 461         return tc.currdir;
 462     else if (size > 0)
 463     {
 464         strncpy(buf, tc.currdir, size);
 465         return buf;
 466     }
 467     else
 468         return NULL;
 469 }
 470
 471 /* Force a reload of the directory next time directory browser is called */
 472 void reload_directory(void)
 473 {
 474     reload_dir = true;
 475 }
 476
 477 /* Selects a file and update tree context properly */
 478 void set_current_file(char *path)
 479 {
 480     char *name;
 481     int i;
 482
 483 #ifdef HAVE_TAGCACHE
 484     /* in ID3DB mode it is a bad idea to call this function */
 485     /* (only happens with `follow playlist') */
 486     if( *tc.dirfilter == SHOW_ID3DB )
 487         return;
 488 #endif
 489
 490     /* separate directory from filename */
 491     /* gets the directory's name and put it into tc.currdir */
 492     name = strrchr(path+1,'/');
 493     if (name)
 494     {
 495         *name = 0;
 496         strcpy(tc.currdir, path);
 497         *name = '/';
 498         name++;
 499     }
 500     else
 501     {
 502         strcpy(tc.currdir, "/");
 503         name = path+1;
 504     }
 505
 506     strcpy(lastfile, name);
 507
 508     /* undefined item selected */
 509     tc.selected_item = -1;
 510
 511     /* If we changed dir we must recalculate the dirlevel
 512        and adjust the selected history properly */
 513     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 514     {
 515         tc.dirlevel =  0;
 516         tc.selected_item_history[tc.dirlevel] = -1;
 517
 518         /* use '/' to calculate dirlevel */
 519         for (i = 1; path[i] != '\0'; i++)
 520         {
 521             if (path[i] == '/')
 522             {
 523                 tc.dirlevel++;
 524                 tc.selected_item_history[tc.dirlevel] = -1;
 525             }
 526         }
 527     }
 528     if (ft_load(&tc, NULL) >= 0)
 529     {
 530         tc.selected_item = tree_get_file_position(lastfile);
 531     }
 532 }
 533
 534 #if defined(HAVE_TAGCACHE) && defined(HAVE_QUICKSCREEN)
 535 static bool check_changed_id3mode(bool currmode)
 536 {
 537     if (currmode != (global_settings.dirfilter == SHOW_ID3DB)) {
 538         currmode = global_settings.dirfilter == SHOW_ID3DB;
 539         if (currmode) {
 540             curr_context=CONTEXT_ID3DB;
 541             tc.dirlevel = 0;
 542             tagtree_load(&tc);
 543         }
 544         else
 545         {
 546             tc.dirlevel = 0;
 547             curr_context=CONTEXT_TREE;
 548             ft_load(&tc, NULL);
 549             reload_dir = true;
 550         }
 551     }
 552     return currmode;
 553 }
 554 #endif
 555
 556 /* main loop, handles key events */
 557 int dirbrowse()
 558 {
 559     int numentries=0;
 560     char buf[MAX_PATH];
 561     int lasti = -1;
 562     unsigned button, returned_button;
 563     bool reload_root = false;
 564     int lastfilter = *tc.dirfilter;
 565     bool lastsortcase = global_settings.sort_case;
 566     bool need_update = true;
 567     bool exit_func = false;
 568     long thumbnail_time = -1; /* for delaying a thumbnail */
 569     long last_cancel = 0;
 570
 571     char* currdir = tc.currdir; /* just a shortcut */
 572 #ifdef HAVE_TAGCACHE
 573     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 574
 575     if (id3db)
 576         curr_context=CONTEXT_ID3DB;
 577     else
 578 #endif
 579         curr_context=CONTEXT_TREE;
 580     if (tc.selected_item < 0)
 581         tc.selected_item = 0;
 582 #ifdef HAVE_TAGCACHE
 583     tc.firstpos=0;
 584     lasttable = -1;
 585     lastextra = -1;
 586     lastfirstpos = 0;
 587 #endif
 588
 589     start_wps = false;
 590     numentries = update_dir();
 591     if (numentries == -1)
 592         return false;  /* currdir is not a directory */
 593
 594     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 595     {
 596         gui_syncsplash(HZ*2, true, str(LANG_NO_FILES));
 597         return false;  /* No files found for rockbox_browser() */
 598     }
 599
 600     while(1) {
 601         struct entry *dircache = tc.dircache;
 602         bool restore = false;
 603         if (tc.dirlevel < 0)
 604           tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 605 #ifdef BOOTFILE
 606         if (boot_changed) {
 607             char *lines[]={str(LANG_BOOT_CHANGED), str(LANG_REBOOT_NOW)};
 608             struct text_message message={lines, 2};
 609             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 610                 rolo_load("/" BOOTFILE);
 611             restore = true;
 612             boot_changed = false;
 613         }
 614 #endif
 615         button = get_action(CONTEXT_TREE,HZ/5);
 616         returned_button = gui_synclist_do_button(&tree_lists, button,LIST_WRAP_UNLESS_HELD);
 617         if (returned_button)
 618             need_update = true;
 619         if (returned_button == ACTION_STD_CANCEL)
 620             button = ACTION_STD_CANCEL;
 621
 622         switch ( button ) {
 623             case ACTION_STD_OK:
 624                 /* nothing to do if no files to display */
 625                 if ( numentries == 0 )
 626                     break;
 627
 628 #ifdef HAVE_TAGCACHE
 629                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 630 #else
 631                 switch (ft_enter(&tc))
 632 #endif
 633                 {
 634                     case 1: reload_dir = true; break;
 635                     case 2: start_wps = true; break;
 636                     case 3: exit_func = true; break;
 637                     default: break;
 638                 }
 639                 restore = true;
 640                 break;
 641
 642             case ACTION_STD_CANCEL:
 643                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 644                     exit_func = true;
 645                     break;
 646                 }
 647                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 648                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 649                 {
 650                     if (last_cancel && TIME_BEFORE(current_tick, last_cancel+HZ/2))
 651                     {
 652                         last_cancel = 0;
 653                         action_signalscreenchange(); /* eat the cancel presses */
 654                         break;
 655                     }
 656                     else
 657                         return GO_TO_ROOT;
 658                 }
 659                 last_cancel = current_tick;
 660
 661 #ifdef HAVE_TAGCACHE
 662                 if (id3db)
 663                     tagtree_exit(&tc);
 664                 else
 665 #endif
 666                     if (ft_exit(&tc) == 3)
 667                         exit_func = true;
 668
 669                 restore = true;
 670                 break;
 671
 672             case ACTION_TREE_STOP:
 673                 if (*tc.dirfilter < NUM_FILTER_MODES)
 674                 {
 675                     /* Stop the music if it is playing */
 676                     if(audio_status()) {
 677                         if (!global_settings.party_mode) {
 678                             if (global_settings.fade_on_stop)
 679                                 fade(0);
 680                             bookmark_autobookmark();
 681                             audio_stop();
 682                         }
 683                     }
 684 #if CONFIG_CHARGING && \
 685     (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 686                     else {
 687                         if (!charger_inserted()) {
 688                             if(shutdown_screen())
 689                                 reload_dir = true;
 690                         } else {
 691                             charging_splash();
 692                         }
 693                         restore = true;
 694                     }
 695 #endif
 696                 }
 697 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING)
 698 {
 699                 static int last_off = 0;
 700                 if (current_tick - last_off < 50) {
 701                     if (charger_inserted()) {
 702                         charging_splash();
 703                         restore = true;
 704                     }
 705                 }
 706                 last_off = current_tick;
 707 }
 708 #endif
 709                 break; /* case ACTION_TREE_STOP: */
 710             case ACTION_STD_MENU:
 711                 return GO_TO_ROOT;
 712                 break;
 713
 714             case ACTION_TREE_WPS:
 715                 return GO_TO_PREVIOUS_MUSIC;
 716                 break;
 717 #ifdef HAVE_QUICKSCREEN
 718             case ACTION_STD_QUICKSCREEN:
 719                 /* don't enter f2 from plugin browser */
 720                 if (*tc.dirfilter < NUM_FILTER_MODES)
 721                 {
 722                     if (quick_screen_quick(button))
 723                         reload_dir = true;
 724                     restore = true;
 725
 726 #ifdef HAVE_TAGCACHE
 727                     id3db = check_changed_id3mode(id3db);
 728                     reload_dir = true;
 729 #endif
 730                 }
 731                 break;
 732 #endif
 733 #ifdef BUTTON_F3
 734             case ACTION_F3:
 735                 /* don't enter f3 from plugin browser */
 736                 if (*tc.dirfilter < NUM_FILTER_MODES)
 737                 {
 738                     if (quick_screen_f3(BUTTON_F3))
 739                         reload_dir = true;
 740                     restore = true;
 741                 }
 742                 break;
 743 #endif
 744
 745             case ACTION_STD_CONTEXT:
 746             {
 747                 int onplay_result;
 748                 int attr = 0;
 749
 750                 if(!numentries)
 751                     onplay_result = onplay(NULL, 0, curr_context);
 752                 else {
 753 #ifdef HAVE_TAGCACHE
 754                     if (id3db)
 755                     {
 756                         if (tagtree_get_attr(&tc) == TREE_ATTR_MPA)
 757                         {
 758                             attr = TREE_ATTR_MPA;
 759                             tagtree_get_filename(&tc, buf, sizeof(buf));
 760                         }
 761                         else
 762                             attr = ATTR_DIRECTORY;
 763                     }
 764                     else
 765 #endif
 766                     {
 767                         attr = dircache[tc.selected_item].attr;
 768
 769                         if (currdir[1]) /* Not in / */
 770                             snprintf(buf, sizeof buf, "%s/%s",
 771                                      currdir,
 772                                      dircache[tc.selected_item].name);
 773                         else /* In / */
 774                             snprintf(buf, sizeof buf, "/%s",
 775                                      dircache[tc.selected_item].name);
 776                     }
 777                     onplay_result = onplay(buf, attr, curr_context);
 778                 }
 779                 switch (onplay_result)
 780                 {
 781                     case ONPLAY_MAINMENU:
 782                         return GO_TO_ROOT;
 783
 784                     case ONPLAY_OK:
 785                         restore = true;
 786                         break;
 787
 788                     case ONPLAY_RELOAD_DIR:
 789                         reload_dir = true;
 790                         break;
 791
 792                     case ONPLAY_START_PLAY:
 793                         return GO_TO_WPS;
 794                         break;
 795                 }
 796                 break;
 797             }
 798
 799             case ACTION_NONE:
 800                 if (thumbnail_time != -1 &&
 801                     TIME_AFTER(current_tick, thumbnail_time))
 802                 {   /* a delayed hovering thumbnail is due now */
 803                     int res;
 804                     int attr;
 805                     char* name;
 806
 807 #ifdef HAVE_TAGCACHE
 808                     if (id3db)
 809                     {
 810                         attr = tagtree_get_attr(&tc);
 811                         name = tagtree_get_entry(&tc, lasti)->name;
 812                     }
 813                     else
 814 #endif
 815                     {
 816                         attr = dircache[lasti].attr;
 817                         name = dircache[lasti].name;
 818                     }
 819
 820                     if (attr & ATTR_DIRECTORY)
 821                     {
 822                         DEBUGF("Playing directory thumbnail: %s", currdir);
 823                         res = ft_play_dirname(name);
 824                         if (res < 0) /* failed, not existing */
 825                         {   /* say the number instead, as a fallback */
 826                             talk_id(VOICE_DIR, false);
 827                             talk_number(lasti+1, true);
 828                         }
 829                     }
 830                     else
 831                     {
 832                         DEBUGF("Playing file thumbnail: %s/%s%s\n",
 833                                currdir, name,
 834                                file_thumbnail_ext);
 835                         /* no fallback necessary, we knew in advance
 836                            that the file exists */
 837                         ft_play_filename(currdir, name);
 838                     }
 839                     thumbnail_time = -1; /* job done */
 840                 }
 841                 gui_syncstatusbar_draw(&statusbars, false);
 842                 break;
 843
 844 #ifdef HAVE_HOTSWAP
 845             case SYS_FS_CHANGED:
 846 #ifdef HAVE_TAGCACHE
 847                 if (!id3db)
 848 #endif
 849                     reload_dir = true;
 850                 /* The 'dir no longer valid' situation will be caught later
 851                  * by checking the showdir() result. */
 852                 break;
 853 #endif
 854
 855             default:
 856                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 857                 {
 858                     if(*tc.dirfilter > NUM_FILTER_MODES)
 859                         /* leave sub-browsers after usb, doing otherwise
 860                            might be confusing to the user */
 861                         exit_func = true;
 862                     else
 863                         reload_dir = true;
 864                 }
 865                 break;
 866         }
 867         if (start_wps)
 868             return GO_TO_WPS;
 869         if ( button )
 870         {
 871             ata_spin();
 872         }
 873
 874
 875     check_rescan:
 876         /* do we need to rescan dir? */
 877         if (reload_dir || reload_root ||
 878             lastfilter != *tc.dirfilter ||
 879             lastsortcase != global_settings.sort_case)
 880         {
 881             if ( reload_root ) {
 882                 strcpy(currdir, "/");
 883                 tc.dirlevel = 0;
 884 #ifdef HAVE_TAGCACHE
 885                 tc.currtable = 0;
 886                 tc.currextra = 0;
 887                 lasttable = -1;
 888                 lastextra = -1;
 889 #endif
 890                 reload_root = false;
 891             }
 892
 893             if (! reload_dir )
 894             {
 895                 gui_synclist_select_item(&tree_lists, 0);
 896                 gui_synclist_draw(&tree_lists);
 897                 tc.selected_item = 0;
 898                 lastdir[0] = 0;
 899             }
 900
 901             lastfilter = *tc.dirfilter;
 902             lastsortcase = global_settings.sort_case;
 903             restore = true;
 904         }
 905
 906         if (exit_func)
 907             return GO_TO_PREVIOUS;
 908
 909         if (restore || reload_dir) {
 910             /* restore display */
 911             numentries = update_dir();
 912             if (currdir[1] && (numentries < 0))
 913             {   /* not in root and reload failed */
 914                 reload_root = true; /* try root */
 915                 reload_dir = false;
 916                 goto check_rescan;
 917             }
 918             need_update = true;
 919             reload_dir = false;
 920         }
 921
 922         if(need_update) {
 923             tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 924             need_update=false;
 925             if ( numentries > 0 ) {
 926                 /* Voice the file if changed */
 927                 if(lasti != tc.selected_item || restore) {
 928                     int attr;
 929                     char* name;
 930
 931                     lasti = tc.selected_item;
 932                     thumbnail_time = -1; /* Cancel whatever we were
 933                                             about to say */
 934
 935 #ifdef HAVE_TAGCACHE
 936                     if (id3db)
 937                     {
 938                         attr = tagtree_get_attr(&tc);
 939                         name = tagtree_get_entry(&tc, tc.selected_item)->name;
 940                     }
 941                     else
 942 #endif
 943                     {
 944                         attr = dircache[tc.selected_item].attr;
 945                         name = dircache[tc.selected_item].name;
 946                     }
 947
 948                     /* Directory? */
 949                     if (attr & ATTR_DIRECTORY)
 950                     {
 951                         /* play directory thumbnail */
 952                         switch (global_settings.talk_dir) {
 953                             case 1: /* dirs as numbers */
 954                                 talk_id(VOICE_DIR, false);
 955                                 talk_number(tc.selected_item+1, true);
 956                                 break;
 957
 958                             case 2: /* dirs spelled */
 959                                 talk_spell(name, false);
 960                                 break;
 961
 962                             case 3: /* thumbnail clip */
 963                                 /* "schedule" a thumbnail, to have a little
 964                                    delay */
 965                                 thumbnail_time = current_tick + HOVER_DELAY;
 966                                 break;
 967
 968                             default:
 969                                 break;
 970                         }
 971                     }
 972                     else /* file */
 973                     {
 974                         switch (global_settings.talk_file) {
 975                             case 1: /* files as numbers */
 976                                 ft_play_filenumber(
 977                                     tc.selected_item-tc.dirsindir+1,
 978                                     attr & TREE_ATTR_MASK);
 979                                 break;
 980
 981                             case 2: /* files spelled */
 982                                 talk_spell(name, false);
 983                                 break;
 984
 985                             case 3: /* thumbnail clip */
 986                                 /* "schedule" a thumbnail, to have a little
 987                                    delay */
 988                                 if (attr & TREE_ATTR_THUMBNAIL)
 989                                     thumbnail_time = current_tick + HOVER_DELAY;
 990                                 else
 991                                     /* spell the number as fallback */
 992                                     talk_spell(name, false);
 993                                 break;
 994
 995                             default:
 996                                 break;
 997                         }
 998                     }
 999                 }
1000             }
1001         }
1002     }
1003     action_signalscreenchange();
1004     return true;
1005 }
1006
1007 static int plsize = 0;
1008 static long pltick;
1009 static bool add_dir(char* dirname, int len, int fd)
1010 {
1011     bool abort = false;
1012     DIRCACHED* dir;
1013
1014     /* check for user abort */
1015     if (action_userabort(TIMEOUT_NOBLOCK))
1016         return true;
1017
1018     dir = opendir_cached(dirname);
1019     if(!dir)
1020         return true;
1021
1022     while (true) {
1023         struct dircache_entry *entry;
1024
1025         entry = readdir_cached(dir);
1026         if (!entry)
1027             break;
1028         if (entry->attribute & ATTR_DIRECTORY) {
1029             int dirlen = strlen(dirname);
1030             bool result;
1031
1032             if (!strcmp((char *)entry->d_name, ".") ||
1033                 !strcmp((char *)entry->d_name, ".."))
1034                 continue;
1035
1036             if (dirname[1])
1037                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
1038             else
1039                 snprintf(dirname, len, "/%s", entry->d_name);
1040
1041             result = add_dir(dirname, len, fd);
1042             dirname[dirlen] = '\0';
1043             if (result) {
1044                 abort = true;
1045                 break;
1046             }
1047         }
1048         else {
1049             int x = strlen((char *)entry->d_name);
1050             unsigned int i;
1051             char *cp = strrchr((char *)entry->d_name,'.');
1052
1053             if (cp) {
1054                 cp++;
1055
1056                 /* add all supported audio files to playlists */
1057                 for (i=0; i < sizeof(filetypes)/sizeof(struct filetype); i++) {
1058                     if (filetypes[i].tree_attr == TREE_ATTR_MPA) {
1059                         if (!strcasecmp(cp, filetypes[i].extension)) {
1060                             char buf[8];
1061                             int i;
1062                             write(fd, dirname, strlen(dirname));
1063                             write(fd, "/", 1);
1064                             write(fd, entry->d_name, x);
1065                             write(fd, "\n", 1);
1066
1067                             plsize++;
1068                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
1069                                 pltick = current_tick;
1070
1071                                 snprintf(buf, sizeof buf, "%d", plsize);
1072 #ifdef HAVE_LCD_BITMAP
1073                                 FOR_NB_SCREENS(i)
1074                                 {
1075                                     screens[i].puts(0, 4, (unsigned char *)buf);
1076                                     gui_textarea_update(&screens[i]);
1077                                 }
1078 #else
1079                                 x = 10;
1080                                 if (plsize > 999)
1081                                     x=7;
1082                                 else {
1083                                     if (plsize > 99)
1084                                         x=8;
1085                                     else {
1086                                         if (plsize > 9)
1087                                             x=9;
1088                                     }
1089                                 }
1090                                 FOR_NB_SCREENS(i) {
1091                                     screens[i].puts(x,0,buf);
1092                                 }
1093 #endif
1094                             }
1095                             break;
1096                         }
1097                     }
1098                 }
1099             }
1100         }
1101     }
1102     closedir_cached(dir);
1103
1104     return abort;
1105 }
1106
1107 bool create_playlist(void)
1108 {
1109     int fd;
1110     int i;
1111     char filename[MAX_PATH];
1112
1113     pltick = current_tick;
1114
1115     snprintf(filename, sizeof filename, "%s.m3u8",
1116              tc.currdir[1] ? tc.currdir : "/root");
1117     FOR_NB_SCREENS(i)
1118     {
1119         gui_textarea_clear(&screens[i]);
1120         screens[i].puts(0, 0, str(LANG_CREATING));
1121         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1122 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1123         gui_textarea_update(&screens[i]);
1124 #endif
1125     }
1126     fd = creat(filename);
1127     if (fd < 0)
1128         return false;
1129
1130     trigger_cpu_boost();
1131
1132     snprintf(filename, sizeof(filename), "%s",
1133              tc.currdir[1] ? tc.currdir : "/");
1134     plsize = 0;
1135     add_dir(filename, sizeof(filename), fd);
1136     close(fd);
1137
1138     sleep(HZ);
1139
1140     return true;
1141 }
1142
1143 int rockbox_browse(const char *root, int dirfilter)
1144 {
1145     int ret_val = 0;
1146     int *last_filter = tc.dirfilter;
1147     tc.dirfilter = &dirfilter;
1148
1149     reload_dir = true;
1150     if (dirfilter >= NUM_FILTER_MODES)
1151     {
1152         static struct tree_context backup;
1153         int last_context;
1154
1155         backup = tc;
1156         tc.dirlevel = 0;
1157         memcpy(tc.currdir, root, sizeof(tc.currdir));
1158         start_wps = false;
1159         last_context = curr_context;
1160
1161         ret_val = dirbrowse();
1162         tc = backup;
1163         curr_context = last_context;
1164     }
1165     else
1166     {
1167         static char buf[MAX_PATH];
1168         if (dirfilter != SHOW_ID3DB)
1169             tc.dirfilter = &global_settings.dirfilter;
1170         strcpy(buf,root);
1171         set_current_file(buf);
1172         ret_val = dirbrowse();
1173     }
1174     tc.dirfilter = last_filter;
1175     return ret_val;
1176 }
1177
1178 void tree_init(void)
1179 {
1180     /* We copy the settings value in case it is changed by the user. We can't
1181        use it until the next reboot. */
1182     max_files = global_settings.max_files_in_dir;
1183
1184     /* initialize tree context struct */
1185     memset(&tc, 0, sizeof(tc));
1186     tc.dirfilter = &global_settings.dirfilter;
1187
1188     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1189     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1190
1191     tc.dircache_size = max_files * sizeof(struct entry);
1192     tc.dircache = buffer_alloc(tc.dircache_size);
1193 }
1194
1195 void bookmark_play(char *resume_file, int index, int offset, int seed,
1196                    char *filename)
1197 {
1198     int i;
1199     char* suffix = strrchr(resume_file, '.');
1200
1201     if (suffix != NULL &&
1202         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1203     {
1204         /* Playlist playback */
1205         char* slash;
1206         /* check that the file exists */
1207         int fd = open(resume_file, O_RDONLY);
1208         if(fd<0)
1209             return;
1210         close(fd);
1211
1212         slash = strrchr(resume_file,'/');
1213         if (slash)
1214         {
1215             char* cp;
1216             *slash=0;
1217
1218             cp=resume_file;
1219             if (!cp[0])
1220                 cp="/";
1221
1222             if (playlist_create(cp, slash+1) != -1)
1223             {
1224                 if (global_settings.playlist_shuffle)
1225                     playlist_shuffle(seed, -1);
1226                 playlist_start(index,offset);
1227             }
1228             *slash='/';
1229         }
1230     }
1231     else
1232     {
1233         /* Directory playback */
1234         lastdir[0]='\0';
1235         if (playlist_create(resume_file, NULL) != -1)
1236         {
1237             resume_directory(resume_file);
1238             if (global_settings.playlist_shuffle)
1239                 playlist_shuffle(seed, -1);
1240
1241             /* Check if the file is at the same spot in the directory,
1242                else search for it */
1243             if ((strcmp(strrchr(playlist_peek(index),'/') + 1,
1244                         filename)))
1245             {
1246                 for ( i=0; i < playlist_amount(); i++ )
1247                 {
1248                     if ((strcmp(strrchr(playlist_peek(i),'/') + 1,
1249                                 filename)) == 0)
1250                         break;
1251                 }
1252                 if (i < playlist_amount())
1253                     index = i;
1254                 else
1255                     return;
1256             }
1257             playlist_start(index,offset);
1258         }
1259     }
1260
1261     start_wps=true;
1262 }
1263
1264 int ft_play_filenumber(int pos, int attr)
1265 {
1266     /* try to find a voice ID for the extension, if known */
1267     unsigned int j;
1268     int ext_id = -1; /* default to none */
1269     for (j=0; j<sizeof(filetypes)/sizeof(*filetypes); j++)
1270     {
1271         if (attr == filetypes[j].tree_attr)
1272         {
1273             ext_id = filetypes[j].voiceclip;
1274             break;
1275         }
1276     }
1277
1278     talk_id(VOICE_FILE, false);
1279     talk_number(pos, true);
1280     talk_id(ext_id, true);
1281     return 1;
1282 }
1283
1284 int ft_play_dirname(char* name)
1285 {
1286     int fd;
1287     char dirname_mp3_filename[MAX_PATH+1];
1288
1289 #if CONFIG_CODEC != SWCODEC
1290     if (audio_status() & AUDIO_STATUS_PLAY)
1291         return 0;
1292 #endif
1293
1294     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1295              tc.currdir[1] ? tc.currdir : "" , name,
1296              dir_thumbnail_name);
1297
1298     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1299
1300     fd = open(dirname_mp3_filename, O_RDONLY);
1301     if (fd < 0)
1302     {
1303         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1304         return -1;
1305     }
1306
1307     close(fd);
1308
1309     DEBUGF("Found: %s\n", dirname_mp3_filename);
1310
1311     talk_file(dirname_mp3_filename, false);
1312     return 1;
1313 }
1314
1315 void ft_play_filename(char *dir, char *file)
1316 {
1317     char name_mp3_filename[MAX_PATH+1];
1318
1319 #if CONFIG_CODEC != SWCODEC
1320     if (audio_status() & AUDIO_STATUS_PLAY)
1321         return;
1322 #endif
1323
1324     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1325                     file_thumbnail_ext))
1326     {   /* file has no .talk extension */
1327         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1328                  "%s/%s%s", dir, file, file_thumbnail_ext);
1329
1330         talk_file(name_mp3_filename, false);
1331     }
1332     else
1333     {   /* it already is a .talk file, play this directly */
1334         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1335             "%s/%s", dir, file);
1336         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1337         talk_file(name_mp3_filename, true);
1338     }
1339 }
1340
1341 /* These two functions are called by the USB and shutdown handlers */
1342 void tree_flush(void)
1343 {
1344     scrobbler_shutdown();
1345 #ifdef HAVE_TAGCACHE
1346     tagcache_shutdown();
1347 #endif
1348     playlist_shutdown();
1349
1350 #ifdef HAVE_TC_RAMCACHE
1351     tagcache_unload_ramcache();
1352 #endif
1353
1354 #ifdef HAVE_DIRCACHE
1355     {
1356         int old_val = global_status.dircache_size;
1357         if (global_settings.dircache)
1358         {
1359             global_status.dircache_size = dircache_get_cache_size();
1360 # ifdef HAVE_EEPROM_SETTINGS
1361             dircache_save();
1362 # endif
1363             dircache_disable();
1364         }
1365         else
1366         {
1367             global_status.dircache_size = 0;
1368         }
1369         if (old_val != global_status.dircache_size)
1370             status_save();
1371     }
1372 #endif
1373 }
1374
1375 void tree_restore(void)
1376 {
1377 #ifdef HAVE_EEPROM_SETTINGS
1378     firmware_settings.disk_clean = false;
1379 #endif
1380
1381 #ifdef HAVE_TC_RAMCACHE
1382     remove(TAGCACHE_STATEFILE);
1383 #endif
1384
1385 #ifdef HAVE_DIRCACHE
1386     remove(DIRCACHE_FILE);
1387     if (global_settings.dircache)
1388     {
1389         /* Print "Scanning disk..." to the display. */
1390         int i;
1391         FOR_NB_SCREENS(i)
1392         {
1393             screens[i].putsxy((LCD_WIDTH/2) -
1394                               ((strlen(str(LANG_DIRCACHE_BUILDING)) *
1395                                 screens[i].char_width)/2),
1396                               LCD_HEIGHT-screens[i].char_height*3,
1397                               str(LANG_DIRCACHE_BUILDING));
1398             gui_textarea_update(&screens[i]);
1399         }
1400
1401         dircache_build(global_status.dircache_size);
1402
1403         /* Clean the text when we are done. */
1404         FOR_NB_SCREENS(i)
1405         {
1406             gui_textarea_clear(&screens[i]);
1407         }
1408     }
1409 #endif
1410 #ifdef HAVE_TAGCACHE
1411     tagcache_start_scan();
1412 #endif
1413     scrobbler_init();
1414 }