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