apps/tree.c

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