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