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 "button.h"
  32 #include "kernel.h"
  33 #include "usb.h"
  34 #include "tree.h"
  35 #include "sprintf.h"
  36 #include "audio.h"
  37 #include "playlist.h"
  38 #include "menu.h"
  39 #include "skin_engine/skin_engine.h"
  40 #include "settings.h"
  41 #include "debug.h"
  42 #include "storage.h"
  43 #include "rolo.h"
  44 #include "icons.h"
  45 #include "lang.h"
  46 #include "screens.h"
  47 #include "keyboard.h"
  48 #include "bookmark.h"
  49 #include "onplay.h"
  50 #include "buffer.h"
  51 #include "power.h"
  52 #include "action.h"
  53 #include "talk.h"
  54 #include "filetypes.h"
  55 #include "misc.h"
  56 #include "filetree.h"
  57 #include "tagtree.h"
  58 #ifdef HAVE_RECORDING
  59 #include "recorder/recording.h"
  60 #endif
  61 #include "rtc.h"
  62 #include "dircache.h"
  63 #ifdef HAVE_TAGCACHE
  64 #include "tagcache.h"
  65 #endif
  66 #include "yesno.h"
  67 #include "eeprom_settings.h"
  68 #include "playlist_catalog.h"
  69
  70 /* gui api */
  71 #include "list.h"
  72 #include "splash.h"
  73 #include "buttonbar.h"
  74 #include "quickscreen.h"
  75 #include "appevents.h"
  76
  77 #include "root_menu.h"
  78
  79 static const struct filetype *filetypes;
  80 static int filetypes_count;
  81
  82 struct gui_synclist tree_lists;
  83
  84 /* I put it here because other files doesn't use it yet,
  85  * but should be elsewhere since it will be used mostly everywhere */
  86 #ifdef HAVE_BUTTONBAR
  87 struct gui_buttonbar tree_buttonbar;
  88 #endif
  89 static struct tree_context tc;
  90
  91 bool boot_changed = false;
  92
  93 char lastfile[MAX_PATH];
  94 static char lastdir[MAX_PATH];
  95 #ifdef HAVE_TAGCACHE
  96 static int lasttable, lastextra, lastfirstpos;
  97 #endif
  98 static int max_files = 0;
  99
 100 static bool reload_dir = false;
 101
 102 static bool start_wps = false;
 103 static int curr_context = false;/* id3db or tree*/
 104
 105 static int dirbrowse(void);
 106 static int ft_play_dirname(char* name);
 107 static void ft_play_filename(char *dir, char *file);
 108 static void say_filetype(int attr);
 109
 110 static const char* tree_get_filename(int selected_item, void *data,
 111                                      char *buffer, size_t buffer_len)
 112 {
 113     struct tree_context * local_tc=(struct tree_context *)data;
 114     char *name;
 115     int attr=0;
 116     bool stripit = false;
 117 #ifdef HAVE_TAGCACHE
 118     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 119
 120     if (id3db)
 121     {
 122         return tagtree_get_entry(&tc, selected_item)->name;
 123     }
 124     else
 125 #endif
 126     {
 127         struct entry* dc = local_tc->dircache;
 128         struct entry* e = &dc[selected_item];
 129         name = e->name;
 130         attr = e->attr;
 131     }
 132
 133     if(!(attr & ATTR_DIRECTORY))
 134     {
 135         switch(global_settings.show_filename_ext)
 136         {
 137             case 0:
 138                 /* show file extension: off */
 139                 stripit = true;
 140                 break;
 141             case 1:
 142                 /* show file extension: on */
 143                 break;
 144             case 2:
 145                 /* show file extension: only unknown types */
 146                 stripit = filetype_supported(attr);
 147                 break;
 148             case 3:
 149             default:
 150                 /* show file extension: only when viewing all */
 151                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 152                           (*(local_tc->dirfilter) != SHOW_ALL);
 153                 break;
 154         }
 155     }
 156
 157     if(stripit)
 158     {
 159         return(strip_extension(buffer, buffer_len, name));
 160     }
 161     return(name);
 162 }
 163
 164 #ifdef HAVE_LCD_COLOR
 165 static int tree_get_filecolor(int selected_item, void * data)
 166 {
 167     if (*tc.dirfilter == SHOW_ID3DB)
 168         return -1;
 169     struct tree_context * local_tc=(struct tree_context *)data;
 170     struct entry* dc = local_tc->dircache;
 171     struct entry* e = &dc[selected_item];
 172     return filetype_get_color(e->name, e->attr);
 173 }
 174 #endif
 175
 176 static enum themable_icons tree_get_fileicon(int selected_item, void * data)
 177 {
 178     struct tree_context * local_tc=(struct tree_context *)data;
 179 #ifdef HAVE_TAGCACHE
 180     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 181     if (id3db) {
 182         return tagtree_get_icon(&tc);
 183     }
 184     else
 185 #endif
 186         {
 187         struct entry* dc = local_tc->dircache;
 188         struct entry* e = &dc[selected_item];
 189         return filetype_get_icon(e->attr);
 190     }
 191 }
 192
 193 static int tree_voice_cb(int selected_item, void * data)
 194 {
 195     struct tree_context * local_tc=(struct tree_context *)data;
 196     char *name;
 197     int attr=0;
 198 #ifdef HAVE_TAGCACHE
 199     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 200
 201     if (id3db)
 202     {
 203         attr = tagtree_get_attr(local_tc);
 204         name = tagtree_get_entry(local_tc, selected_item)->name;
 205     }
 206     else
 207 #endif
 208     {
 209         struct entry* dc = local_tc->dircache;
 210         struct entry* e = &dc[selected_item];
 211         name = e->name;
 212         attr = e->attr;
 213     }
 214     bool is_dir = (attr & ATTR_DIRECTORY);
 215     bool did_clip = false;
 216     /* First the .talk clip case */
 217     if(is_dir)
 218     {
 219         if(global_settings.talk_dir_clip)
 220         {
 221             did_clip = true;
 222             if(ft_play_dirname(name) <0)
 223                 /* failed, not existing */
 224                 did_clip = false;
 225         }
 226     } else { /* it's a file */
 227         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 228         {
 229             did_clip = true;
 230             ft_play_filename(local_tc->currdir, name);
 231         }
 232     }
 233     if(!did_clip)
 234     {
 235         /* say the number or spell if required or as a fallback */
 236         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 237         {
 238         case 1: /* as numbers */
 239             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 240             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 241                         true);
 242             if(global_settings.talk_filetype
 243                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 244                 say_filetype(attr);
 245             break;
 246         case 2: /* spelled */
 247             talk_shutup();
 248             if(global_settings.talk_filetype)
 249             {
 250                 if(is_dir)
 251                     talk_id(VOICE_DIR, true);
 252                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 253                     say_filetype(attr);
 254             }
 255             talk_spell(name, true);
 256             break;
 257         }
 258     }
 259     return 0;
 260 }
 261
 262 bool check_rockboxdir(void)
 263 {
 264     if(!dir_exists(ROCKBOX_DIR))
 265     {   /* No need to localise this message.
 266            If .rockbox is missing, it wouldn't work anyway */
 267         int i;
 268         FOR_NB_SCREENS(i)
 269             screens[i].clear_display();
 270         splash(HZ*2, "No .rockbox directory");
 271         FOR_NB_SCREENS(i)
 272             screens[i].clear_display();
 273         splash(HZ*2, "Installation incomplete");
 274         return false;
 275     }
 276     return true;
 277 }
 278
 279 /* do this really late in the init sequence */
 280 void tree_gui_init(void)
 281 {
 282     check_rockboxdir();
 283
 284     strcpy(tc.currdir, "/");
 285
 286 #ifdef HAVE_LCD_CHARCELLS
 287     int i;
 288     FOR_NB_SCREENS(i)
 289         screens[i].double_height(false);
 290 #endif
 291 #ifdef HAVE_BUTTONBAR
 292     gui_buttonbar_init(&tree_buttonbar);
 293     /* since archos only have one screen, no need to create more than that */
 294     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 295 #endif
 296     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 297     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 298     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 299 #ifdef HAVE_LCD_COLOR
 300     gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor);
 301 #endif
 302 }
 303
 304
 305 /* drawer function for the GUI_EVENT_REDRAW callback */
 306 void tree_drawlists(void)
 307 {
 308         /* band-aid to fix the bar/list redrawing properly after leaving a plugin */
 309         send_event(GUI_EVENT_THEME_CHANGED, NULL);
 310         /* end bandaid */
 311     gui_synclist_draw(&tree_lists);
 312 }
 313
 314
 315 struct tree_context* tree_get_context(void)
 316 {
 317     return &tc;
 318 }
 319
 320 /*
 321  * Returns the position of a given file in the current directory
 322  * returns -1 if not found
 323  */
 324 static int tree_get_file_position(char * filename)
 325 {
 326     int i;
 327
 328     /* use lastfile to determine the selected item (default=0) */
 329     for (i=0; i < tc.filesindir; i++)
 330     {
 331         struct entry* dc = tc.dircache;
 332         struct entry* e = &dc[i];
 333         if (!strcasecmp(e->name, filename))
 334             return(i);
 335     }
 336     return(-1);/* no file can match, returns undefined */
 337 }
 338
 339 /*
 340  * Called when a new dir is loaded (for example when returning from other apps ...)
 341  * also completely redraws the tree
 342  */
 343 static int update_dir(void)
 344 {
 345     bool changed = false;
 346 #ifdef HAVE_TAGCACHE
 347     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 348     /* Checks for changes */
 349     if (id3db) {
 350         if (tc.currtable != lasttable ||
 351             tc.currextra != lastextra ||
 352             tc.firstpos  != lastfirstpos ||
 353             reload_dir)
 354         {
 355             if (tagtree_load(&tc) < 0)
 356                 return -1;
 357
 358             lasttable = tc.currtable;
 359             lastextra = tc.currextra;
 360             lastfirstpos = tc.firstpos;
 361             changed = true;
 362         }
 363     }
 364     else
 365 #endif
 366     {
 367         /* if the tc.currdir has been changed, reload it ...*/
 368         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 369         {
 370             if (ft_load(&tc, NULL) < 0)
 371                 return -1;
 372             strcpy(lastdir, tc.currdir);
 373             changed = true;
 374         }
 375     }
 376     /* if selected item is undefined */
 377     if (tc.selected_item == -1)
 378     {
 379         /* use lastfile to determine the selected item */
 380         tc.selected_item = tree_get_file_position(lastfile);
 381
 382         /* If the file doesn't exists, select the first one (default) */
 383         if(tc.selected_item < 0)
 384             tc.selected_item = 0;
 385         changed = true;
 386     }
 387     if (changed)
 388     {
 389         if(
 390 #ifdef HAVE_TAGCACHE
 391         !id3db &&
 392 #endif
 393         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 394         {
 395             splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 396         }
 397     }
 398 #ifdef HAVE_TAGCACHE
 399     if (id3db)
 400     {
 401 #ifdef HAVE_LCD_BITMAP
 402         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 403             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 404         {
 405             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 406                 filetype_get_icon(ATTR_DIRECTORY));
 407         }
 408         else
 409         {
 410             /* Must clear the title as the list is reused */
 411             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 412         }
 413 #endif
 414     }
 415     else
 416 #endif
 417     {
 418 #ifdef HAVE_LCD_BITMAP
 419         if (global_settings.show_path_in_browser &&
 420             *(tc.dirfilter) == SHOW_PLUGINS)
 421         {
 422             char *title;
 423             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 424                 title = str(LANG_PLUGIN_GAMES);
 425             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 426                 title = str(LANG_PLUGIN_APPS);
 427             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 428                 title = str(LANG_PLUGIN_DEMOS);
 429             else title = str(LANG_PLUGINS);
 430             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 431         }
 432         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 433         {
 434             gui_synclist_set_title(&tree_lists, tc.currdir,
 435                 filetype_get_icon(ATTR_DIRECTORY));
 436         }
 437         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 438         {
 439             char *title = strrchr(tc.currdir, '/') + 1;
 440             if (*title == '\0')
 441             {
 442                 /* Display "Files" for the root dir */
 443                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 444                     filetype_get_icon(ATTR_DIRECTORY));
 445             }
 446             else
 447                 gui_synclist_set_title(&tree_lists, title,
 448                     filetype_get_icon(ATTR_DIRECTORY));
 449         }
 450         else
 451         {
 452             /* Must clear the title as the list is reused */
 453             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 454         }
 455 #endif
 456     }
 457
 458     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 459     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 460     if( tc.selected_item >= tc.filesindir)
 461         tc.selected_item=tc.filesindir-1;
 462
 463     gui_synclist_select_item(&tree_lists, tc.selected_item);
 464 #ifdef HAVE_BUTTONBAR
 465     if (global_settings.buttonbar) {
 466         if (*tc.dirfilter < NUM_FILTER_MODES)
 467             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 468                           str(LANG_SYSFONT_DIRBROWSE_F2),
 469                           str(LANG_SYSFONT_DIRBROWSE_F3));
 470         else
 471             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 472         gui_buttonbar_draw(&tree_buttonbar);
 473     }
 474 #endif
 475     gui_synclist_draw(&tree_lists);
 476     gui_synclist_speak_item(&tree_lists);
 477     return tc.filesindir;
 478 }
 479
 480 /* load tracks from specified directory to resume play */
 481 void resume_directory(const char *dir)
 482 {
 483         int dirfilter = *tc.dirfilter;
 484         int ret;
 485 #ifdef HAVE_TAGCACHE
 486     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 487 #endif
 488         /* make sure the dirfilter is sane. The only time it should be possible
 489          * thats its not is when resume playlist is called from a plugin
 490          */
 491 #ifdef HAVE_TAGCACHE
 492         if (!id3db)
 493 #endif
 494                 *tc.dirfilter = global_settings.dirfilter;
 495         ret = ft_load(&tc, dir);
 496         *tc.dirfilter = dirfilter;
 497         if (ret < 0)
 498         return;
 499     lastdir[0] = 0;
 500
 501     ft_build_playlist(&tc, 0);
 502
 503 #ifdef HAVE_TAGCACHE
 504     if (id3db)
 505         tagtree_load(&tc);
 506 #endif
 507 }
 508
 509 /* Returns the current working directory and also writes cwd to buf if
 510    non-NULL.  In case of error, returns NULL. */
 511 char *getcwd(char *buf, int size)
 512 {
 513     if (!buf)
 514         return tc.currdir;
 515     else if (size > 0)
 516     {
 517         strlcpy(buf, tc.currdir, size);
 518         return buf;
 519     }
 520     else
 521         return NULL;
 522 }
 523
 524 /* Force a reload of the directory next time directory browser is called */
 525 void reload_directory(void)
 526 {
 527     reload_dir = true;
 528 }
 529
 530 void get_current_file(char* buffer, int buffer_len)
 531 {
 532 #ifdef HAVE_TAGCACHE
 533     /* in ID3DB mode it is a bad idea to call this function */
 534     /* (only happens with `follow playlist') */
 535     if( *tc.dirfilter == SHOW_ID3DB )
 536         return;
 537 #endif
 538
 539     struct entry* dc = tc.dircache;
 540     struct entry* e = &dc[tc.selected_item];
 541     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 542                                           tc.dirlength ? e->name : "");
 543 }
 544
 545 /* Allow apps to change our dirfilter directly (required for sub browsers)
 546    if they're suddenly going to become a file browser for example */
 547 void set_dirfilter(int l_dirfilter)
 548 {
 549     *tc.dirfilter = l_dirfilter;
 550 }
 551
 552 /* Selects a file and update tree context properly */
 553 void set_current_file(char *path)
 554 {
 555     char *name;
 556     int i;
 557
 558 #ifdef HAVE_TAGCACHE
 559     /* in ID3DB mode it is a bad idea to call this function */
 560     /* (only happens with `follow playlist') */
 561     if( *tc.dirfilter == SHOW_ID3DB )
 562         return;
 563 #endif
 564
 565     /* separate directory from filename */
 566     /* gets the directory's name and put it into tc.currdir */
 567     name = strrchr(path+1,'/');
 568     if (name)
 569     {
 570         *name = 0;
 571         strcpy(tc.currdir, path);
 572         *name = '/';
 573         name++;
 574     }
 575     else
 576     {
 577         strcpy(tc.currdir, "/");
 578         name = path+1;
 579     }
 580
 581     strcpy(lastfile, name);
 582
 583
 584     /* If we changed dir we must recalculate the dirlevel
 585        and adjust the selected history properly */
 586     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 587     {
 588         tc.dirlevel =  0;
 589         tc.selected_item_history[tc.dirlevel] = -1;
 590
 591         /* use '/' to calculate dirlevel */
 592         for (i = 1; path[i] != '\0'; i++)
 593         {
 594             if (path[i] == '/')
 595             {
 596                 tc.dirlevel++;
 597                 tc.selected_item_history[tc.dirlevel] = -1;
 598             }
 599         }
 600     }
 601     if (ft_load(&tc, NULL) >= 0)
 602     {
 603         tc.selected_item = tree_get_file_position(lastfile);
 604     }
 605 }
 606
 607
 608 /* main loop, handles key events */
 609 static int dirbrowse()
 610 {
 611     int numentries=0;
 612     char buf[MAX_PATH];
 613     int button, oldbutton;
 614     bool reload_root = false;
 615     int lastfilter = *tc.dirfilter;
 616     bool lastsortcase = global_settings.sort_case;
 617     bool exit_func = false;
 618
 619     char* currdir = tc.currdir; /* just a shortcut */
 620 #ifdef HAVE_TAGCACHE
 621     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 622
 623     if (id3db)
 624         curr_context=CONTEXT_ID3DB;
 625     else
 626 #endif
 627         curr_context=CONTEXT_TREE;
 628     if (tc.selected_item < 0)
 629         tc.selected_item = 0;
 630 #ifdef HAVE_TAGCACHE
 631     tc.firstpos = 0;
 632     lasttable = -1;
 633     lastextra = -1;
 634     lastfirstpos = 0;
 635 #endif
 636
 637     start_wps = false;
 638     numentries = update_dir();
 639     reload_dir = false;
 640     if (numentries == -1)
 641         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 642
 643     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 644     {
 645         splash(HZ*2, ID2P(LANG_NO_FILES));
 646         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 647     }
 648
 649     gui_synclist_draw(&tree_lists);
 650     while(1) {
 651         struct entry *dircache = tc.dircache;
 652         bool restore = false;
 653         if (tc.dirlevel < 0)
 654             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 655 #ifdef BOOTFILE
 656         if (boot_changed) {
 657             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 658             static const struct text_message message={lines, 2};
 659             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 660                 rolo_load("/" BOOTFILE);
 661             restore = true;
 662             boot_changed = false;
 663         }
 664 #endif
 665         button = get_action(CONTEXT_TREE,
 666                             list_do_action_timeout(&tree_lists, HZ/2));
 667         oldbutton = button;
 668         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 669         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 670         switch ( button ) {
 671             case ACTION_STD_OK:
 672                 /* nothing to do if no files to display */
 673                 if ( numentries == 0 )
 674                     break;
 675
 676 #ifdef HAVE_TAGCACHE
 677                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 678 #else
 679                 switch (ft_enter(&tc))
 680 #endif
 681                 {
 682                     case 1: reload_dir = true; break;
 683                     case 2: start_wps = true; break;
 684                     case 3: exit_func = true; break;
 685                     default: break;
 686                 }
 687                 restore = true;
 688                 break;
 689
 690             case ACTION_STD_CANCEL:
 691                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 692                     exit_func = true;
 693                     break;
 694                 }
 695                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 696                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 697                 {
 698 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 699                     if (oldbutton == ACTION_TREE_PGLEFT)
 700                         break;
 701                     else
 702 #endif
 703                         return GO_TO_ROOT;
 704                 }
 705
 706 #ifdef HAVE_TAGCACHE
 707                 if (id3db)
 708                     tagtree_exit(&tc);
 709                 else
 710 #endif
 711                     if (ft_exit(&tc) == 3)
 712                         exit_func = true;
 713
 714                 restore = true;
 715                 break;
 716
 717             case ACTION_TREE_STOP:
 718                 if (list_stop_handler())
 719                     restore = true;
 720                 break;
 721
 722             case ACTION_STD_MENU:
 723                 return GO_TO_ROOT;
 724                 break;
 725
 726 #ifdef HAVE_RECORDING
 727             case ACTION_STD_REC:
 728                 return GO_TO_RECSCREEN;
 729 #endif
 730
 731             case ACTION_TREE_WPS:
 732                 return GO_TO_PREVIOUS_MUSIC;
 733                 break;
 734 #ifdef HAVE_QUICKSCREEN
 735             case ACTION_STD_QUICKSCREEN:
 736                 /* don't enter f2 from plugin browser */
 737                 if (*tc.dirfilter < NUM_FILTER_MODES)
 738                 {
 739                     if (quick_screen_quick(button))
 740                         reload_dir = true;
 741                     restore = true;
 742                 }
 743                 break;
 744 #endif
 745 #ifdef BUTTON_F3
 746             case ACTION_F3:
 747                 /* don't enter f3 from plugin browser */
 748                 if (*tc.dirfilter < NUM_FILTER_MODES)
 749                 {
 750                     if (quick_screen_f3(ACTION_F3))
 751                         reload_dir = true;
 752                     restore = true;
 753                 }
 754                 break;
 755 #endif
 756
 757             case ACTION_STD_CONTEXT:
 758             {
 759                 int onplay_result;
 760                 int attr = 0;
 761
 762                 if(!numentries)
 763                     onplay_result = onplay(NULL, 0, curr_context);
 764                 else {
 765 #ifdef HAVE_TAGCACHE
 766                     if (id3db)
 767                     {
 768                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 769                         {
 770                             attr = FILE_ATTR_AUDIO;
 771                             tagtree_get_filename(&tc, buf, sizeof(buf));
 772                         }
 773                         else
 774                             attr = ATTR_DIRECTORY;
 775                     }
 776                     else
 777 #endif
 778                     {
 779                         attr = dircache[tc.selected_item].attr;
 780
 781                         if (currdir[1]) /* Not in / */
 782                             snprintf(buf, sizeof buf, "%s/%s",
 783                                      currdir,
 784                                      dircache[tc.selected_item].name);
 785                         else /* In / */
 786                             snprintf(buf, sizeof buf, "/%s",
 787                                      dircache[tc.selected_item].name);
 788                     }
 789                     onplay_result = onplay(buf, attr, curr_context);
 790                 }
 791                 switch (onplay_result)
 792                 {
 793                     case ONPLAY_MAINMENU:
 794                         return GO_TO_ROOT;
 795
 796                     case ONPLAY_OK:
 797                         restore = true;
 798                         break;
 799
 800                     case ONPLAY_RELOAD_DIR:
 801                         reload_dir = true;
 802                         break;
 803
 804                     case ONPLAY_START_PLAY:
 805                         return GO_TO_WPS;
 806                         break;
 807                 }
 808                 break;
 809             }
 810
 811 #ifdef HAVE_HOTSWAP
 812             case SYS_FS_CHANGED:
 813 #ifdef HAVE_TAGCACHE
 814                 if (!id3db)
 815 #endif
 816                     reload_dir = true;
 817                 /* The 'dir no longer valid' situation will be caught later
 818                  * by checking the showdir() result. */
 819                 break;
 820 #endif
 821
 822             default:
 823                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 824                 {
 825                     if(*tc.dirfilter > NUM_FILTER_MODES)
 826                         /* leave sub-browsers after usb, doing otherwise
 827                            might be confusing to the user */
 828                         exit_func = true;
 829                     else
 830                         reload_dir = true;
 831                 }
 832                 break;
 833         }
 834         if (start_wps)
 835             return GO_TO_WPS;
 836         if (button && !IS_SYSEVENT(button))
 837         {
 838             storage_spin();
 839         }
 840
 841
 842     check_rescan:
 843         /* do we need to rescan dir? */
 844         if (reload_dir || reload_root ||
 845             lastfilter != *tc.dirfilter ||
 846             lastsortcase != global_settings.sort_case)
 847         {
 848             if (reload_root) {
 849                 strcpy(currdir, "/");
 850                 tc.dirlevel = 0;
 851 #ifdef HAVE_TAGCACHE
 852                 tc.currtable = 0;
 853                 tc.currextra = 0;
 854                 lasttable = -1;
 855                 lastextra = -1;
 856 #endif
 857                 reload_root = false;
 858             }
 859
 860             if (!reload_dir)
 861             {
 862                 gui_synclist_select_item(&tree_lists, 0);
 863                 gui_synclist_draw(&tree_lists);
 864                 tc.selected_item = 0;
 865                 lastdir[0] = 0;
 866             }
 867
 868             lastfilter = *tc.dirfilter;
 869             lastsortcase = global_settings.sort_case;
 870             restore = true;
 871         }
 872
 873         if (exit_func)
 874             return GO_TO_PREVIOUS;
 875
 876         if (restore || reload_dir) {
 877             /* restore display */
 878             numentries = update_dir();
 879             reload_dir = false;
 880             if (currdir[1] && (numentries < 0))
 881             {   /* not in root and reload failed */
 882                 reload_root = true; /* try root */
 883                 goto check_rescan;
 884             }
 885         }
 886     }
 887     return true;
 888 }
 889
 890 bool create_playlist(void)
 891 {
 892     char filename[MAX_PATH];
 893
 894     snprintf(filename, sizeof filename, "%s.m3u8",
 895              tc.currdir[1] ? tc.currdir : "/root");
 896     splashf(0, "%s %s", str(LANG_CREATING), filename);
 897
 898     trigger_cpu_boost();
 899     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 900     cancel_cpu_boost();
 901
 902     return true;
 903 }
 904
 905 int rockbox_browse(const char *root, int dirfilter)
 906 {
 907     int ret_val = 0;
 908     int *last_filter = tc.dirfilter;
 909     tc.dirfilter = &dirfilter;
 910     tc.sort_dir = global_settings.sort_dir;
 911
 912     reload_dir = true;
 913     if (dirfilter >= NUM_FILTER_MODES)
 914     {
 915         static struct tree_context backup;
 916         char current[MAX_PATH];
 917         int last_context;
 918
 919         backup = tc;
 920         tc.selected_item = 0;
 921         tc.dirlevel = 0;
 922         memcpy(tc.currdir, root, sizeof(tc.currdir));
 923         start_wps = false;
 924         last_context = curr_context;
 925
 926         /* Center on the currently loaded language when browsing languages. */
 927         if (dirfilter == SHOW_LNG)
 928         {
 929             if (global_settings.lang_file[0])
 930             {
 931                 snprintf(current, sizeof(current), LANG_DIR "/%s.lng",
 932                         global_settings.lang_file);
 933             }
 934             else
 935             {
 936                 strlcpy(current, LANG_DIR "/english.lng", sizeof(current));
 937             }
 938         }
 939         /* Center on currently loaded WPS */
 940         else if (dirfilter == SHOW_WPS)
 941         {
 942             snprintf(current, sizeof(current), WPS_DIR "/%s.wps",
 943                     global_settings.wps_file);
 944         }
 945 #ifdef HAVE_REMOTE_LCD
 946         /* Center on currently loaded RWPS */
 947         else if (dirfilter == SHOW_RWPS)
 948         {
 949             snprintf(current, sizeof(current), WPS_DIR "/%s.rwps",
 950                     global_settings.rwps_file);
 951         }
 952         else if (dirfilter == SHOW_RSBS)
 953         {
 954             snprintf(current, sizeof(current), SBS_DIR "/%s.rsbs",
 955                     global_settings.rsbs_file);
 956         }
 957 #endif
 958 #ifdef HAVE_LCD_BITMAP
 959         /* Center on the currently loaded font when browsing fonts */
 960         else if (dirfilter == SHOW_FONT)
 961         {
 962             snprintf(current, sizeof(current), FONT_DIR "/%s.fnt",
 963                     global_settings.font_file);
 964         }
 965         else if (dirfilter == SHOW_SBS)
 966         {
 967             snprintf(current, sizeof(current), SBS_DIR "/%s.sbs",
 968                     global_settings.sbs_file);
 969         }
 970 #endif
 971 #if CONFIG_TUNER
 972         /* Center on the currently loaded FM preset when browsing those */
 973         else if (dirfilter == SHOW_FMR)
 974         {
 975             snprintf(current, sizeof(current), FMPRESET_PATH "/%s.fmr",
 976                     global_settings.fmr_file);
 977         }
 978 #endif
 979         else /* reset current[] */
 980             current[0] = '\0';
 981
 982         /* If we've found a file to center on, do it */
 983         if (current[0] == '/')
 984         {
 985             set_current_file(current);
 986             /* set_current_file changes dirlevel, change it back */
 987             tc.dirlevel = 0;
 988         }
 989
 990         ret_val = dirbrowse();
 991         tc = backup;
 992         curr_context = last_context;
 993     }
 994     else
 995     {
 996         static char buf[MAX_PATH];
 997         if (dirfilter != SHOW_ID3DB)
 998             tc.dirfilter = &global_settings.dirfilter;
 999         strcpy(buf,root);
1000         set_current_file(buf);
1001         ret_val = dirbrowse();
1002     }
1003     tc.dirfilter = last_filter;
1004     return ret_val;
1005 }
1006
1007 void tree_mem_init(void)
1008 {
1009     /* We copy the settings value in case it is changed by the user. We can't
1010        use it until the next reboot. */
1011     max_files = global_settings.max_files_in_dir;
1012
1013     /* initialize tree context struct */
1014     memset(&tc, 0, sizeof(tc));
1015     tc.dirfilter = &global_settings.dirfilter;
1016     tc.sort_dir = global_settings.sort_dir;
1017
1018     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1019     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1020
1021     tc.dircache_size = max_files * sizeof(struct entry);
1022     tc.dircache = buffer_alloc(tc.dircache_size);
1023     tree_get_filetypes(&filetypes, &filetypes_count);
1024 }
1025
1026 bool bookmark_play(char *resume_file, int index, int offset, int seed,
1027                    char *filename)
1028 {
1029     int i;
1030     char* suffix = strrchr(resume_file, '.');
1031     bool started = false;
1032
1033     if (suffix != NULL &&
1034         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1035     {
1036         /* Playlist playback */
1037         char* slash;
1038         /* check that the file exists */
1039         if(!file_exists(resume_file))
1040             return false;
1041
1042         slash = strrchr(resume_file,'/');
1043         if (slash)
1044         {
1045             char* cp;
1046             *slash=0;
1047
1048             cp=resume_file;
1049             if (!cp[0])
1050                 cp="/";
1051
1052             if (playlist_create(cp, slash+1) != -1)
1053             {
1054                 if (global_settings.playlist_shuffle)
1055                     playlist_shuffle(seed, -1);
1056                 playlist_start(index,offset);
1057                 started = true;
1058             }
1059             *slash='/';
1060         }
1061     }
1062     else
1063     {
1064         /* Directory playback */
1065         lastdir[0]='\0';
1066         if (playlist_create(resume_file, NULL) != -1)
1067         {
1068             char* peek_filename;
1069             resume_directory(resume_file);
1070             if (global_settings.playlist_shuffle)
1071                 playlist_shuffle(seed, -1);
1072
1073             /* Check if the file is at the same spot in the directory,
1074                else search for it */
1075             peek_filename = playlist_peek(index);
1076
1077             if (peek_filename == NULL)
1078                 return false;
1079
1080             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1081             {
1082                 for ( i=0; i < playlist_amount(); i++ )
1083                 {
1084                     peek_filename = playlist_peek(i);
1085
1086                     if (peek_filename == NULL)
1087                         return false;
1088
1089                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1090                         break;
1091                 }
1092                 if (i < playlist_amount())
1093                     index = i;
1094                 else
1095                     return false;
1096             }
1097             playlist_start(index,offset);
1098             started = true;
1099         }
1100     }
1101
1102     if (started)
1103         start_wps = true;
1104     return started;
1105 }
1106
1107 static void say_filetype(int attr)
1108 {
1109     /* try to find a voice ID for the extension, if known */
1110     int j;
1111     attr &= FILE_ATTR_MASK; /* file type */
1112     for (j=0; j<filetypes_count; j++)
1113         if (attr == filetypes[j].tree_attr)
1114         {
1115             talk_id(filetypes[j].voiceclip, true);
1116             return;
1117         }
1118 }
1119
1120 static int ft_play_dirname(char* name)
1121 {
1122 #if CONFIG_CODEC != SWCODEC
1123     if (audio_status() & AUDIO_STATUS_PLAY)
1124         return 0;
1125 #endif
1126
1127     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1128                  NULL, false))
1129     {
1130         if(global_settings.talk_filetype)
1131             talk_id(VOICE_DIR, true);
1132         return 1;
1133     }
1134     else
1135         return -1;
1136 }
1137
1138 static void ft_play_filename(char *dir, char *file)
1139 {
1140 #if CONFIG_CODEC != SWCODEC
1141     if (audio_status() & AUDIO_STATUS_PLAY)
1142         return;
1143 #endif
1144
1145     if (strlen(file) >= strlen(file_thumbnail_ext)
1146         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1147                       file_thumbnail_ext))
1148         /* file has no .talk extension */
1149         talk_file(dir, NULL, file, file_thumbnail_ext,
1150                   NULL, false);
1151     else
1152         /* it already is a .talk file, play this directly, but prefix it. */
1153         talk_file(dir, NULL, file, NULL,
1154                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1155 }
1156
1157 /* These two functions are called by the USB and shutdown handlers */
1158 void tree_flush(void)
1159 {
1160 #ifdef HAVE_TAGCACHE
1161     tagcache_shutdown();
1162 #endif
1163
1164 #ifdef HAVE_TC_RAMCACHE
1165     tagcache_unload_ramcache();
1166 #endif
1167
1168 #ifdef HAVE_DIRCACHE
1169     {
1170         int old_val = global_status.dircache_size;
1171         if (global_settings.dircache)
1172         {
1173             if (!dircache_is_initializing())
1174                 global_status.dircache_size = dircache_get_cache_size();
1175 # ifdef HAVE_EEPROM_SETTINGS
1176             if (firmware_settings.initialized)
1177                 dircache_save();
1178 # endif
1179             dircache_disable();
1180         }
1181         else
1182         {
1183             global_status.dircache_size = 0;
1184         }
1185         if (old_val != global_status.dircache_size)
1186             status_save();
1187     }
1188 #endif
1189 }
1190
1191 void tree_restore(void)
1192 {
1193 #ifdef HAVE_EEPROM_SETTINGS
1194     firmware_settings.disk_clean = false;
1195 #endif
1196
1197 #ifdef HAVE_TC_RAMCACHE
1198     remove(TAGCACHE_STATEFILE);
1199 #endif
1200
1201 #ifdef HAVE_DIRCACHE
1202     remove(DIRCACHE_FILE);
1203     if (global_settings.dircache)
1204     {
1205         /* Print "Scanning disk..." to the display. */
1206         splash(0, str(LANG_SCANNING_DISK));
1207
1208         dircache_build(global_status.dircache_size);
1209     }
1210 #endif
1211 #ifdef HAVE_TAGCACHE
1212     tagcache_start_scan();
1213 #endif
1214 }