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  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include <stdbool.h>
  25
  26 #include "applimits.h"
  27 #include "dir.h"
  28 #include "file.h"
  29 #include "lcd.h"
  30 #include "font.h"
  31 #include "backlight.h"
  32 #include "button.h"
  33 #include "kernel.h"
  34 #include "usb.h"
  35 #include "tree.h"
  36 #include "sprintf.h"
  37 #include "audio.h"
  38 #include "playlist.h"
  39 #include "menu.h"
  40 #include "gwps.h"
  41 #include "settings.h"
  42 #include "status.h"
  43 #include "debug.h"
  44 #include "storage.h"
  45 #include "rolo.h"
  46 #include "icons.h"
  47 #include "lang.h"
  48 #include "screens.h"
  49 #include "keyboard.h"
  50 #include "bookmark.h"
  51 #include "onplay.h"
  52 #include "buffer.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 HAVE_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             did_clip = true;
 228             if(ft_play_dirname(name) <0)
 229                 /* failed, not existing */
 230                 did_clip = false;
 231         }
 232     } else { /* it's a file */
 233         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 234         {
 235             did_clip = true;
 236             ft_play_filename(local_tc->currdir, name);
 237         }
 238     }
 239     if(!did_clip)
 240     {
 241         /* say the number or spell if required or as a fallback */
 242         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 243         {
 244         case 1: /* as numbers */
 245             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 246             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 247                         true);
 248             if(global_settings.talk_filetype
 249                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 250                 say_filetype(attr);
 251             break;
 252         case 2: /* spelled */
 253             talk_shutup();
 254             if(global_settings.talk_filetype)
 255             {
 256                 if(is_dir)
 257                     talk_id(VOICE_DIR, true);
 258                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 259                     say_filetype(attr);
 260             }
 261             talk_spell(name, true);
 262             break;
 263         }
 264     }
 265     return 0;
 266 }
 267
 268 bool check_rockboxdir(void)
 269 {
 270     if(!dir_exists(ROCKBOX_DIR))
 271     {   /* No need to localise this message.
 272            If .rockbox is missing, it wouldn't work anyway */
 273         int i;
 274         FOR_NB_SCREENS(i)
 275             screens[i].clear_display();
 276         splash(HZ*2, "No .rockbox directory");
 277         FOR_NB_SCREENS(i)
 278             screens[i].clear_display();
 279         splash(HZ*2, "Installation incomplete");
 280         return false;
 281     }
 282     return true;
 283 }
 284
 285 /* do this really late in the init sequence */
 286 void tree_gui_init(void)
 287 {
 288     check_rockboxdir();
 289
 290     strcpy(tc.currdir, "/");
 291
 292 #ifdef HAVE_LCD_CHARCELLS
 293     int i;
 294     FOR_NB_SCREENS(i)
 295         screens[i].double_height(false);
 296 #endif
 297 #ifdef HAVE_BUTTONBAR
 298     gui_buttonbar_init(&tree_buttonbar);
 299     /* since archos only have one screen, no need to create more than that */
 300     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 301 #endif
 302     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 303     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 304     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 305 #ifdef HAVE_LCD_COLOR
 306     gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor);
 307 #endif
 308 }
 309
 310
 311
 312 struct tree_context* tree_get_context(void)
 313 {
 314     return &tc;
 315 }
 316
 317 /*
 318  * Returns the position of a given file in the current directory
 319  * returns -1 if not found
 320  */
 321 static int tree_get_file_position(char * filename)
 322 {
 323     int i;
 324
 325     /* use lastfile to determine the selected item (default=0) */
 326     for (i=0; i < tc.filesindir; i++)
 327     {
 328         struct entry* dc = tc.dircache;
 329         struct entry* e = &dc[i];
 330         if (!strcasecmp(e->name, filename))
 331             return(i);
 332     }
 333     return(-1);/* no file can match, returns undefined */
 334 }
 335
 336 /*
 337  * Called when a new dir is loaded (for example when returning from other apps ...)
 338  * also completely redraws the tree
 339  */
 340 static int update_dir(void)
 341 {
 342     bool changed = false;
 343 #ifdef HAVE_TAGCACHE
 344     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 345     /* Checks for changes */
 346     if (id3db) {
 347         if (tc.currtable != lasttable ||
 348             tc.currextra != lastextra ||
 349             tc.firstpos  != lastfirstpos ||
 350             reload_dir)
 351         {
 352             if (tagtree_load(&tc) < 0)
 353                 return -1;
 354
 355             lasttable = tc.currtable;
 356             lastextra = tc.currextra;
 357             lastfirstpos = tc.firstpos;
 358             changed = true;
 359         }
 360     }
 361     else
 362 #endif
 363     {
 364         /* if the tc.currdir has been changed, reload it ...*/
 365         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 366         {
 367             if (ft_load(&tc, NULL) < 0)
 368                 return -1;
 369             strcpy(lastdir, tc.currdir);
 370             changed = true;
 371         }
 372     }
 373     /* if selected item is undefined */
 374     if (tc.selected_item == -1)
 375     {
 376         /* use lastfile to determine the selected item */
 377         tc.selected_item = tree_get_file_position(lastfile);
 378
 379         /* If the file doesn't exists, select the first one (default) */
 380         if(tc.selected_item < 0)
 381             tc.selected_item = 0;
 382         changed = true;
 383     }
 384     if (changed)
 385     {
 386         if(
 387 #ifdef HAVE_TAGCACHE
 388         !id3db &&
 389 #endif
 390         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 391         {
 392             splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 393         }
 394     }
 395 #ifdef HAVE_TAGCACHE
 396     if (id3db)
 397     {
 398 #ifdef HAVE_LCD_BITMAP
 399         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 400             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 401         {
 402             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 403                 filetype_get_icon(ATTR_DIRECTORY));
 404         }
 405         else
 406         {
 407             /* Must clear the title as the list is reused */
 408             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 409         }
 410 #endif
 411     }
 412     else
 413 #endif
 414     {
 415 #ifdef HAVE_LCD_BITMAP
 416         if (global_settings.show_path_in_browser &&
 417             *(tc.dirfilter) == SHOW_PLUGINS)
 418         {
 419             char *title;
 420             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 421                 title = str(LANG_PLUGIN_GAMES);
 422             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 423                 title = str(LANG_PLUGIN_APPS);
 424             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 425                 title = str(LANG_PLUGIN_DEMOS);
 426             else title = str(LANG_PLUGINS);
 427             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 428         }
 429         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 430         {
 431             gui_synclist_set_title(&tree_lists, tc.currdir,
 432                 filetype_get_icon(ATTR_DIRECTORY));
 433         }
 434         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 435         {
 436             char *title = strrchr(tc.currdir, '/') + 1;
 437             if (*title == '\0')
 438             {
 439                 /* Display "Files" for the root dir */
 440                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 441                     filetype_get_icon(ATTR_DIRECTORY));
 442             }
 443             else
 444                 gui_synclist_set_title(&tree_lists, title,
 445                     filetype_get_icon(ATTR_DIRECTORY));
 446         }
 447         else
 448         {
 449             /* Must clear the title as the list is reused */
 450             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 451         }
 452 #endif
 453     }
 454
 455     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 456     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 457     if( tc.selected_item >= tc.filesindir)
 458         tc.selected_item=tc.filesindir-1;
 459
 460     gui_synclist_select_item(&tree_lists, tc.selected_item);
 461 #ifdef HAVE_BUTTONBAR
 462     if (global_settings.buttonbar) {
 463         if (*tc.dirfilter < NUM_FILTER_MODES)
 464             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 465                           str(LANG_SYSFONT_DIRBROWSE_F2),
 466                           str(LANG_SYSFONT_DIRBROWSE_F3));
 467         else
 468             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 469         gui_buttonbar_draw(&tree_buttonbar);
 470     }
 471 #endif
 472     gui_synclist_draw(&tree_lists);
 473     gui_synclist_speak_item(&tree_lists);
 474     return tc.filesindir;
 475 }
 476
 477 /* load tracks from specified directory to resume play */
 478 void resume_directory(const char *dir)
 479 {
 480         int dirfilter = *tc.dirfilter;
 481         int ret;
 482 #ifdef HAVE_TAGCACHE
 483     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 484 #endif
 485         /* make sure the dirfilter is sane. The only time it should be possible
 486          * thats its not is when resume playlist is called from a plugin
 487          */
 488 #ifdef HAVE_TAGCACHE
 489         if (!id3db)
 490 #endif
 491                 *tc.dirfilter = global_settings.dirfilter;
 492         ret = ft_load(&tc, dir);
 493         *tc.dirfilter = dirfilter;
 494         if (ret < 0)
 495         return;
 496     lastdir[0] = 0;
 497
 498     ft_build_playlist(&tc, 0);
 499
 500 #ifdef HAVE_TAGCACHE
 501     if (id3db)
 502         tagtree_load(&tc);
 503 #endif
 504 }
 505
 506 /* Returns the current working directory and also writes cwd to buf if
 507    non-NULL.  In case of error, returns NULL. */
 508 char *getcwd(char *buf, int size)
 509 {
 510     if (!buf)
 511         return tc.currdir;
 512     else if (size > 0)
 513     {
 514         strncpy(buf, tc.currdir, size);
 515         return buf;
 516     }
 517     else
 518         return NULL;
 519 }
 520
 521 /* Force a reload of the directory next time directory browser is called */
 522 void reload_directory(void)
 523 {
 524     reload_dir = true;
 525 }
 526
 527 void get_current_file(char* buffer, int buffer_len)
 528 {
 529 #ifdef HAVE_TAGCACHE
 530     /* in ID3DB mode it is a bad idea to call this function */
 531     /* (only happens with `follow playlist') */
 532     if( *tc.dirfilter == SHOW_ID3DB )
 533         return;
 534 #endif
 535
 536     struct entry* dc = tc.dircache;
 537     struct entry* e = &dc[tc.selected_item];
 538     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 539                                           tc.dirlength ? e->name : "");
 540 }
 541
 542 /* Allow apps to change our dirfilter directly (required for sub browsers)
 543    if they're suddenly going to become a file browser for example */
 544 void set_dirfilter(int l_dirfilter)
 545 {
 546     *tc.dirfilter = l_dirfilter;
 547 }
 548
 549 /* Selects a file and update tree context properly */
 550 void set_current_file(char *path)
 551 {
 552     char *name;
 553     int i;
 554
 555 #ifdef HAVE_TAGCACHE
 556     /* in ID3DB mode it is a bad idea to call this function */
 557     /* (only happens with `follow playlist') */
 558     if( *tc.dirfilter == SHOW_ID3DB )
 559         return;
 560 #endif
 561
 562     /* separate directory from filename */
 563     /* gets the directory's name and put it into tc.currdir */
 564     name = strrchr(path+1,'/');
 565     if (name)
 566     {
 567         *name = 0;
 568         strcpy(tc.currdir, path);
 569         *name = '/';
 570         name++;
 571     }
 572     else
 573     {
 574         strcpy(tc.currdir, "/");
 575         name = path+1;
 576     }
 577
 578     strcpy(lastfile, name);
 579
 580
 581     /* If we changed dir we must recalculate the dirlevel
 582        and adjust the selected history properly */
 583     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 584     {
 585         tc.dirlevel =  0;
 586         tc.selected_item_history[tc.dirlevel] = -1;
 587
 588         /* use '/' to calculate dirlevel */
 589         for (i = 1; path[i] != '\0'; i++)
 590         {
 591             if (path[i] == '/')
 592             {
 593                 tc.dirlevel++;
 594                 tc.selected_item_history[tc.dirlevel] = -1;
 595             }
 596         }
 597     }
 598     if (ft_load(&tc, NULL) >= 0)
 599     {
 600         tc.selected_item = tree_get_file_position(lastfile);
 601     }
 602 }
 603
 604
 605 /* main loop, handles key events */
 606 static int dirbrowse()
 607 {
 608     int numentries=0;
 609     char buf[MAX_PATH];
 610     int button, oldbutton;
 611     bool reload_root = false;
 612     int lastfilter = *tc.dirfilter;
 613     bool lastsortcase = global_settings.sort_case;
 614     bool exit_func = false;
 615
 616     char* currdir = tc.currdir; /* just a shortcut */
 617 #ifdef HAVE_TAGCACHE
 618     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 619
 620     if (id3db)
 621         curr_context=CONTEXT_ID3DB;
 622     else
 623 #endif
 624         curr_context=CONTEXT_TREE;
 625     if (tc.selected_item < 0)
 626         tc.selected_item = 0;
 627 #ifdef HAVE_TAGCACHE
 628     tc.firstpos = 0;
 629     lasttable = -1;
 630     lastextra = -1;
 631     lastfirstpos = 0;
 632 #endif
 633
 634     start_wps = false;
 635     numentries = update_dir();
 636     reload_dir = false;
 637     if (numentries == -1)
 638         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 639
 640     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 641     {
 642         splash(HZ*2, ID2P(LANG_NO_FILES));
 643         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 644     }
 645
 646     gui_synclist_draw(&tree_lists);
 647     while(1) {
 648         struct entry *dircache = tc.dircache;
 649         bool restore = false;
 650         if (tc.dirlevel < 0)
 651             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 652 #ifdef BOOTFILE
 653         if (boot_changed) {
 654             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 655             static const struct text_message message={lines, 2};
 656             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 657                 rolo_load("/" BOOTFILE);
 658             restore = true;
 659             boot_changed = false;
 660         }
 661 #endif
 662         button = get_action(CONTEXT_TREE,
 663                             list_do_action_timeout(&tree_lists, HZ/2));
 664         oldbutton = button;
 665         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 666         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 667         switch ( button ) {
 668             case ACTION_STD_OK:
 669                 /* nothing to do if no files to display */
 670                 if ( numentries == 0 )
 671                     break;
 672
 673 #ifdef HAVE_TAGCACHE
 674                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 675 #else
 676                 switch (ft_enter(&tc))
 677 #endif
 678                 {
 679                     case 1: reload_dir = true; break;
 680                     case 2: start_wps = true; break;
 681                     case 3: exit_func = true; break;
 682                     default: break;
 683                 }
 684                 restore = true;
 685                 break;
 686
 687             case ACTION_STD_CANCEL:
 688                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 689                     exit_func = true;
 690                     break;
 691                 }
 692                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 693                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 694                 {
 695 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 696                     if (oldbutton == ACTION_TREE_PGLEFT)
 697                         break;
 698                     else
 699 #endif
 700                         return GO_TO_ROOT;
 701                 }
 702
 703 #ifdef HAVE_TAGCACHE
 704                 if (id3db)
 705                     tagtree_exit(&tc);
 706                 else
 707 #endif
 708                     if (ft_exit(&tc) == 3)
 709                         exit_func = true;
 710
 711                 restore = true;
 712                 break;
 713
 714             case ACTION_TREE_STOP:
 715                 if (list_stop_handler())
 716                     restore = true;
 717                 break;
 718
 719             case ACTION_STD_MENU:
 720                 return GO_TO_ROOT;
 721                 break;
 722
 723 #ifdef HAVE_RECORDING
 724             case ACTION_STD_REC:
 725                 return GO_TO_RECSCREEN;
 726 #endif
 727
 728             case ACTION_TREE_WPS:
 729                 return GO_TO_PREVIOUS_MUSIC;
 730                 break;
 731 #ifdef HAVE_QUICKSCREEN
 732             case ACTION_STD_QUICKSCREEN:
 733                 /* don't enter f2 from plugin browser */
 734                 if (*tc.dirfilter < NUM_FILTER_MODES)
 735                 {
 736                     if (quick_screen_quick(button))
 737                         reload_dir = true;
 738                     restore = true;
 739                 }
 740                 break;
 741 #endif
 742 #ifdef BUTTON_F3
 743             case ACTION_F3:
 744                 /* don't enter f3 from plugin browser */
 745                 if (*tc.dirfilter < NUM_FILTER_MODES)
 746                 {
 747                     if (quick_screen_f3(ACTION_F3))
 748                         reload_dir = true;
 749                     restore = true;
 750                 }
 751                 break;
 752 #endif
 753
 754             case ACTION_STD_CONTEXT:
 755             {
 756                 int onplay_result;
 757                 int attr = 0;
 758
 759                 if(!numentries)
 760                     onplay_result = onplay(NULL, 0, curr_context);
 761                 else {
 762 #ifdef HAVE_TAGCACHE
 763                     if (id3db)
 764                     {
 765                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 766                         {
 767                             attr = FILE_ATTR_AUDIO;
 768                             tagtree_get_filename(&tc, buf, sizeof(buf));
 769                         }
 770                         else
 771                             attr = ATTR_DIRECTORY;
 772                     }
 773                     else
 774 #endif
 775                     {
 776                         attr = dircache[tc.selected_item].attr;
 777
 778                         if (currdir[1]) /* Not in / */
 779                             snprintf(buf, sizeof buf, "%s/%s",
 780                                      currdir,
 781                                      dircache[tc.selected_item].name);
 782                         else /* In / */
 783                             snprintf(buf, sizeof buf, "/%s",
 784                                      dircache[tc.selected_item].name);
 785                     }
 786                     onplay_result = onplay(buf, attr, curr_context);
 787                 }
 788                 switch (onplay_result)
 789                 {
 790                     case ONPLAY_MAINMENU:
 791                         return GO_TO_ROOT;
 792
 793                     case ONPLAY_OK:
 794                         restore = true;
 795                         break;
 796
 797                     case ONPLAY_RELOAD_DIR:
 798                         reload_dir = true;
 799                         break;
 800
 801                     case ONPLAY_START_PLAY:
 802                         return GO_TO_WPS;
 803                         break;
 804                 }
 805                 break;
 806             }
 807
 808 #ifdef HAVE_HOTSWAP
 809             case SYS_FS_CHANGED:
 810 #ifdef HAVE_TAGCACHE
 811                 if (!id3db)
 812 #endif
 813                     reload_dir = true;
 814                 /* The 'dir no longer valid' situation will be caught later
 815                  * by checking the showdir() result. */
 816                 break;
 817 #endif
 818
 819             default:
 820                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 821                 {
 822                     if(*tc.dirfilter > NUM_FILTER_MODES)
 823                         /* leave sub-browsers after usb, doing otherwise
 824                            might be confusing to the user */
 825                         exit_func = true;
 826                     else
 827                         reload_dir = true;
 828                 }
 829                 break;
 830         }
 831         if (start_wps)
 832             return GO_TO_WPS;
 833         if (button && !IS_SYSEVENT(button))
 834         {
 835             storage_spin();
 836         }
 837
 838
 839     check_rescan:
 840         /* do we need to rescan dir? */
 841         if (reload_dir || reload_root ||
 842             lastfilter != *tc.dirfilter ||
 843             lastsortcase != global_settings.sort_case)
 844         {
 845             if (reload_root) {
 846                 strcpy(currdir, "/");
 847                 tc.dirlevel = 0;
 848 #ifdef HAVE_TAGCACHE
 849                 tc.currtable = 0;
 850                 tc.currextra = 0;
 851                 lasttable = -1;
 852                 lastextra = -1;
 853 #endif
 854                 reload_root = false;
 855             }
 856
 857             if (!reload_dir)
 858             {
 859                 gui_synclist_select_item(&tree_lists, 0);
 860                 gui_synclist_draw(&tree_lists);
 861                 tc.selected_item = 0;
 862                 lastdir[0] = 0;
 863             }
 864
 865             lastfilter = *tc.dirfilter;
 866             lastsortcase = global_settings.sort_case;
 867             restore = true;
 868         }
 869
 870         if (exit_func)
 871             return GO_TO_PREVIOUS;
 872
 873         if (restore || reload_dir) {
 874             /* restore display */
 875             numentries = update_dir();
 876             reload_dir = false;
 877             if (currdir[1] && (numentries < 0))
 878             {   /* not in root and reload failed */
 879                 reload_root = true; /* try root */
 880                 goto check_rescan;
 881             }
 882         }
 883     }
 884     return true;
 885 }
 886
 887 bool create_playlist(void)
 888 {
 889     char filename[MAX_PATH];
 890
 891     snprintf(filename, sizeof filename, "%s.m3u8",
 892              tc.currdir[1] ? tc.currdir : "/root");
 893     splashf(0, "%s %s", str(LANG_CREATING), filename);
 894
 895     trigger_cpu_boost();
 896     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 897     cancel_cpu_boost();
 898
 899     return true;
 900 }
 901
 902 int rockbox_browse(const char *root, int dirfilter)
 903 {
 904     int ret_val = 0;
 905     int *last_filter = tc.dirfilter;
 906     tc.dirfilter = &dirfilter;
 907     tc.sort_dir = global_settings.sort_dir;
 908
 909     reload_dir = true;
 910     if (dirfilter >= NUM_FILTER_MODES)
 911     {
 912         static struct tree_context backup;
 913         int last_context;
 914
 915         backup = tc;
 916         tc.selected_item = 0;
 917         tc.dirlevel = 0;
 918         memcpy(tc.currdir, root, sizeof(tc.currdir));
 919         start_wps = false;
 920         last_context = curr_context;
 921
 922         ret_val = dirbrowse();
 923         tc = backup;
 924         curr_context = last_context;
 925     }
 926     else
 927     {
 928         static char buf[MAX_PATH];
 929         if (dirfilter != SHOW_ID3DB)
 930             tc.dirfilter = &global_settings.dirfilter;
 931         strcpy(buf,root);
 932         set_current_file(buf);
 933         ret_val = dirbrowse();
 934     }
 935     tc.dirfilter = last_filter;
 936     return ret_val;
 937 }
 938
 939 void tree_mem_init(void)
 940 {
 941     /* We copy the settings value in case it is changed by the user. We can't
 942        use it until the next reboot. */
 943     max_files = global_settings.max_files_in_dir;
 944
 945     /* initialize tree context struct */
 946     memset(&tc, 0, sizeof(tc));
 947     tc.dirfilter = &global_settings.dirfilter;
 948     tc.sort_dir = global_settings.sort_dir;
 949
 950     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
 951     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
 952
 953     tc.dircache_size = max_files * sizeof(struct entry);
 954     tc.dircache = buffer_alloc(tc.dircache_size);
 955     tree_get_filetypes(&filetypes, &filetypes_count);
 956 }
 957
 958 bool bookmark_play(char *resume_file, int index, int offset, int seed,
 959                    char *filename)
 960 {
 961     int i;
 962     char* suffix = strrchr(resume_file, '.');
 963     bool started = false;
 964
 965     if (suffix != NULL &&
 966         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
 967     {
 968         /* Playlist playback */
 969         char* slash;
 970         /* check that the file exists */
 971         if(!file_exists(resume_file))
 972             return false;
 973
 974         slash = strrchr(resume_file,'/');
 975         if (slash)
 976         {
 977             char* cp;
 978             *slash=0;
 979
 980             cp=resume_file;
 981             if (!cp[0])
 982                 cp="/";
 983
 984             if (playlist_create(cp, slash+1) != -1)
 985             {
 986                 if (global_settings.playlist_shuffle)
 987                     playlist_shuffle(seed, -1);
 988                 playlist_start(index,offset);
 989                 started = true;
 990             }
 991             *slash='/';
 992         }
 993     }
 994     else
 995     {
 996         /* Directory playback */
 997         lastdir[0]='\0';
 998         if (playlist_create(resume_file, NULL) != -1)
 999         {
1000             char* peek_filename;
1001             resume_directory(resume_file);
1002             if (global_settings.playlist_shuffle)
1003                 playlist_shuffle(seed, -1);
1004
1005             /* Check if the file is at the same spot in the directory,
1006                else search for it */
1007             peek_filename = playlist_peek(index);
1008
1009             if (peek_filename == NULL)
1010                 return false;
1011
1012             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1013             {
1014                 for ( i=0; i < playlist_amount(); i++ )
1015                 {
1016                     peek_filename = playlist_peek(i);
1017
1018                     if (peek_filename == NULL)
1019                         return false;
1020
1021                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1022                         break;
1023                 }
1024                 if (i < playlist_amount())
1025                     index = i;
1026                 else
1027                     return false;
1028             }
1029             playlist_start(index,offset);
1030             started = true;
1031         }
1032     }
1033
1034     if (started)
1035         start_wps = true;
1036     return started;
1037 }
1038
1039 static void say_filetype(int attr)
1040 {
1041     /* try to find a voice ID for the extension, if known */
1042     int j;
1043     attr &= FILE_ATTR_MASK; /* file type */
1044     for (j=0; j<filetypes_count; j++)
1045         if (attr == filetypes[j].tree_attr)
1046         {
1047             talk_id(filetypes[j].voiceclip, true);
1048             return;
1049         }
1050 }
1051
1052 static int ft_play_dirname(char* name)
1053 {
1054 #if CONFIG_CODEC != SWCODEC
1055     if (audio_status() & AUDIO_STATUS_PLAY)
1056         return 0;
1057 #endif
1058
1059     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1060                  NULL, false))
1061     {
1062         if(global_settings.talk_filetype)
1063             talk_id(VOICE_DIR, true);
1064         return 1;
1065     }
1066     else
1067         return -1;
1068 }
1069
1070 static void ft_play_filename(char *dir, char *file)
1071 {
1072 #if CONFIG_CODEC != SWCODEC
1073     if (audio_status() & AUDIO_STATUS_PLAY)
1074         return;
1075 #endif
1076
1077     if (strlen(file) >= strlen(file_thumbnail_ext)
1078         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1079                       file_thumbnail_ext))
1080         /* file has no .talk extension */
1081         talk_file(dir, NULL, file, file_thumbnail_ext,
1082                   NULL, false);
1083     else
1084         /* it already is a .talk file, play this directly, but prefix it. */
1085         talk_file(dir, NULL, file, NULL,
1086                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1087 }
1088
1089 /* These two functions are called by the USB and shutdown handlers */
1090 void tree_flush(void)
1091 {
1092 #ifdef HAVE_TAGCACHE
1093     tagcache_shutdown();
1094 #endif
1095
1096 #ifdef HAVE_TC_RAMCACHE
1097     tagcache_unload_ramcache();
1098 #endif
1099
1100 #ifdef HAVE_DIRCACHE
1101     {
1102         int old_val = global_status.dircache_size;
1103         if (global_settings.dircache)
1104         {
1105             if (!dircache_is_initializing())
1106                 global_status.dircache_size = dircache_get_cache_size();
1107 # ifdef HAVE_EEPROM_SETTINGS
1108             if (firmware_settings.initialized)
1109                 dircache_save();
1110 # endif
1111             dircache_disable();
1112         }
1113         else
1114         {
1115             global_status.dircache_size = 0;
1116         }
1117         if (old_val != global_status.dircache_size)
1118             status_save();
1119     }
1120 #endif
1121 }
1122
1123 void tree_restore(void)
1124 {
1125 #ifdef HAVE_EEPROM_SETTINGS
1126     firmware_settings.disk_clean = false;
1127 #endif
1128
1129 #ifdef HAVE_TC_RAMCACHE
1130     remove(TAGCACHE_STATEFILE);
1131 #endif
1132
1133 #ifdef HAVE_DIRCACHE
1134     remove(DIRCACHE_FILE);
1135     if (global_settings.dircache)
1136     {
1137         /* Print "Scanning disk..." to the display. */
1138         splash(0, str(LANG_SCANNING_DISK));
1139
1140         dircache_build(global_status.dircache_size);
1141     }
1142 #endif
1143 #ifdef HAVE_TAGCACHE
1144     tagcache_start_scan();
1145 #endif
1146 }