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     gui_syncstatusbar_draw(&statusbars, true);
 477     return tc.filesindir;
 478 }
 479
 480 /* load tracks from specified directory to resume play */
 481 void resume_directory(const char *dir)
 482 {
 483 #ifdef HAVE_TAGCACHE
 484     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 485 #endif
 486
 487     if (ft_load(&tc, dir) < 0)
 488         return;
 489     lastdir[0] = 0;
 490
 491     ft_build_playlist(&tc, 0);
 492
 493 #ifdef HAVE_TAGCACHE
 494     if (id3db)
 495         tagtree_load(&tc);
 496 #endif
 497 }
 498
 499 /* Returns the current working directory and also writes cwd to buf if
 500    non-NULL.  In case of error, returns NULL. */
 501 char *getcwd(char *buf, int size)
 502 {
 503     if (!buf)
 504         return tc.currdir;
 505     else if (size > 0)
 506     {
 507         strncpy(buf, tc.currdir, size);
 508         return buf;
 509     }
 510     else
 511         return NULL;
 512 }
 513
 514 /* Force a reload of the directory next time directory browser is called */
 515 void reload_directory(void)
 516 {
 517     reload_dir = true;
 518 }
 519
 520 void get_current_file(char* buffer, int buffer_len)
 521 {
 522 #ifdef HAVE_TAGCACHE
 523     /* in ID3DB mode it is a bad idea to call this function */
 524     /* (only happens with `follow playlist') */
 525     if( *tc.dirfilter == SHOW_ID3DB )
 526         return;
 527 #endif
 528
 529     struct entry* dc = tc.dircache;
 530     struct entry* e = &dc[tc.selected_item];
 531     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 532                                           tc.dirlength ? e->name : "");
 533 }
 534
 535 /* Allow apps to change our dirfilter directly (required for sub browsers)
 536    if they're suddenly going to become a file browser for example */
 537 void set_dirfilter(int l_dirfilter)
 538 {
 539     *tc.dirfilter = l_dirfilter;
 540 }
 541
 542 /* Selects a file and update tree context properly */
 543 void set_current_file(char *path)
 544 {
 545     char *name;
 546     int i;
 547
 548 #ifdef HAVE_TAGCACHE
 549     /* in ID3DB mode it is a bad idea to call this function */
 550     /* (only happens with `follow playlist') */
 551     if( *tc.dirfilter == SHOW_ID3DB )
 552         return;
 553 #endif
 554
 555     /* separate directory from filename */
 556     /* gets the directory's name and put it into tc.currdir */
 557     name = strrchr(path+1,'/');
 558     if (name)
 559     {
 560         *name = 0;
 561         strcpy(tc.currdir, path);
 562         *name = '/';
 563         name++;
 564     }
 565     else
 566     {
 567         strcpy(tc.currdir, "/");
 568         name = path+1;
 569     }
 570
 571     strcpy(lastfile, name);
 572
 573
 574     /* If we changed dir we must recalculate the dirlevel
 575        and adjust the selected history properly */
 576     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 577     {
 578         tc.dirlevel =  0;
 579         tc.selected_item_history[tc.dirlevel] = -1;
 580
 581         /* use '/' to calculate dirlevel */
 582         for (i = 1; path[i] != '\0'; i++)
 583         {
 584             if (path[i] == '/')
 585             {
 586                 tc.dirlevel++;
 587                 tc.selected_item_history[tc.dirlevel] = -1;
 588             }
 589         }
 590     }
 591     if (ft_load(&tc, NULL) >= 0)
 592     {
 593         tc.selected_item = tree_get_file_position(lastfile);
 594     }
 595 }
 596
 597
 598 /* main loop, handles key events */
 599 static int dirbrowse()
 600 {
 601     int numentries=0;
 602     char buf[MAX_PATH];
 603     unsigned button, oldbutton;
 604     bool reload_root = false;
 605     int lastfilter = *tc.dirfilter;
 606     bool lastsortcase = global_settings.sort_case;
 607     bool exit_func = false;
 608
 609     char* currdir = tc.currdir; /* just a shortcut */
 610 #ifdef HAVE_TAGCACHE
 611     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 612
 613     if (id3db)
 614         curr_context=CONTEXT_ID3DB;
 615     else
 616 #endif
 617         curr_context=CONTEXT_TREE;
 618     if (tc.selected_item < 0)
 619         tc.selected_item = 0;
 620 #ifdef HAVE_TAGCACHE
 621     tc.firstpos = 0;
 622     lasttable = -1;
 623     lastextra = -1;
 624     lastfirstpos = 0;
 625 #endif
 626
 627     start_wps = false;
 628     numentries = update_dir();
 629     reload_dir = false;
 630     if (numentries == -1)
 631         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 632
 633     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 634     {
 635         splash(HZ*2, ID2P(LANG_NO_FILES));
 636         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 637     }
 638
 639     while(1) {
 640         struct entry *dircache = tc.dircache;
 641         bool restore = false;
 642         if (tc.dirlevel < 0)
 643             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 644 #ifdef BOOTFILE
 645         if (boot_changed) {
 646             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 647             static const struct text_message message={lines, 2};
 648             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 649                 rolo_load("/" BOOTFILE);
 650             restore = true;
 651             boot_changed = false;
 652         }
 653 #endif
 654         button = get_action(CONTEXT_TREE,
 655                             list_do_action_timeout(&tree_lists, HZ/2));
 656         oldbutton = button;
 657         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 658         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 659         switch ( button ) {
 660             case ACTION_STD_OK:
 661                 /* nothing to do if no files to display */
 662                 if ( numentries == 0 )
 663                     break;
 664
 665 #ifdef HAVE_TAGCACHE
 666                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 667 #else
 668                 switch (ft_enter(&tc))
 669 #endif
 670                 {
 671                     case 1: reload_dir = true; break;
 672                     case 2: start_wps = true; break;
 673                     case 3: exit_func = true; break;
 674                     default: break;
 675                 }
 676                 restore = true;
 677                 break;
 678
 679             case ACTION_STD_CANCEL:
 680                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 681                     exit_func = true;
 682                     break;
 683                 }
 684                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 685                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 686                 {
 687 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 688                     if (oldbutton == ACTION_TREE_PGLEFT)
 689                         break;
 690                     else
 691 #endif
 692                         return GO_TO_ROOT;
 693                 }
 694
 695 #ifdef HAVE_TAGCACHE
 696                 if (id3db)
 697                     tagtree_exit(&tc);
 698                 else
 699 #endif
 700                     if (ft_exit(&tc) == 3)
 701                         exit_func = true;
 702
 703                 restore = true;
 704                 break;
 705
 706             case ACTION_TREE_STOP:
 707                 if (list_stop_handler())
 708                     restore = true;
 709                 break;
 710
 711             case ACTION_STD_MENU:
 712                 return GO_TO_ROOT;
 713                 break;
 714
 715 #ifdef HAVE_RECORDING
 716             case ACTION_STD_REC:
 717                 return GO_TO_RECSCREEN;
 718 #endif
 719
 720             case ACTION_TREE_WPS:
 721                 return GO_TO_PREVIOUS_MUSIC;
 722                 break;
 723 #ifdef HAVE_QUICKSCREEN
 724             case ACTION_STD_QUICKSCREEN:
 725                 /* don't enter f2 from plugin browser */
 726                 if (*tc.dirfilter < NUM_FILTER_MODES)
 727                 {
 728                     if (quick_screen_quick(button))
 729                         reload_dir = true;
 730                     restore = true;
 731                 }
 732                 break;
 733 #endif
 734 #ifdef BUTTON_F3
 735             case ACTION_F3:
 736                 /* don't enter f3 from plugin browser */
 737                 if (*tc.dirfilter < NUM_FILTER_MODES)
 738                 {
 739                     if (quick_screen_f3(ACTION_F3))
 740                         reload_dir = true;
 741                     restore = true;
 742                 }
 743                 break;
 744 #endif
 745
 746             case ACTION_STD_CONTEXT:
 747             {
 748                 int onplay_result;
 749                 int attr = 0;
 750
 751                 if(!numentries)
 752                     onplay_result = onplay(NULL, 0, curr_context);
 753                 else {
 754 #ifdef HAVE_TAGCACHE
 755                     if (id3db)
 756                     {
 757                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 758                         {
 759                             attr = FILE_ATTR_AUDIO;
 760                             tagtree_get_filename(&tc, buf, sizeof(buf));
 761                         }
 762                         else
 763                             attr = ATTR_DIRECTORY;
 764                     }
 765                     else
 766 #endif
 767                     {
 768                         attr = dircache[tc.selected_item].attr;
 769
 770                         if (currdir[1]) /* Not in / */
 771                             snprintf(buf, sizeof buf, "%s/%s",
 772                                      currdir,
 773                                      dircache[tc.selected_item].name);
 774                         else /* In / */
 775                             snprintf(buf, sizeof buf, "/%s",
 776                                      dircache[tc.selected_item].name);
 777                     }
 778                     onplay_result = onplay(buf, attr, curr_context);
 779                 }
 780                 switch (onplay_result)
 781                 {
 782                     case ONPLAY_MAINMENU:
 783                         return GO_TO_ROOT;
 784
 785                     case ONPLAY_OK:
 786                         restore = true;
 787                         break;
 788
 789                     case ONPLAY_RELOAD_DIR:
 790                         reload_dir = true;
 791                         break;
 792
 793                     case ONPLAY_START_PLAY:
 794                         return GO_TO_WPS;
 795                         break;
 796                 }
 797                 break;
 798             }
 799
 800             case ACTION_NONE:
 801                 gui_syncstatusbar_draw(&statusbars, false);
 802                 break;
 803
 804 #ifdef HAVE_HOTSWAP
 805             case SYS_FS_CHANGED:
 806 #ifdef HAVE_TAGCACHE
 807                 if (!id3db)
 808 #endif
 809                     reload_dir = true;
 810                 /* The 'dir no longer valid' situation will be caught later
 811                  * by checking the showdir() result. */
 812                 break;
 813 #endif
 814
 815             default:
 816                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 817                 {
 818                     if(*tc.dirfilter > NUM_FILTER_MODES)
 819                         /* leave sub-browsers after usb, doing otherwise
 820                            might be confusing to the user */
 821                         exit_func = true;
 822                     else
 823                         reload_dir = true;
 824                 }
 825                 break;
 826         }
 827         if (start_wps)
 828             return GO_TO_WPS;
 829         if (button)
 830         {
 831             storage_spin();
 832         }
 833
 834
 835     check_rescan:
 836         /* do we need to rescan dir? */
 837         if (reload_dir || reload_root ||
 838             lastfilter != *tc.dirfilter ||
 839             lastsortcase != global_settings.sort_case)
 840         {
 841             if (reload_root) {
 842                 strcpy(currdir, "/");
 843                 tc.dirlevel = 0;
 844 #ifdef HAVE_TAGCACHE
 845                 tc.currtable = 0;
 846                 tc.currextra = 0;
 847                 lasttable = -1;
 848                 lastextra = -1;
 849 #endif
 850                 reload_root = false;
 851             }
 852
 853             if (!reload_dir)
 854             {
 855                 gui_synclist_select_item(&tree_lists, 0);
 856                 gui_synclist_draw(&tree_lists);
 857                 tc.selected_item = 0;
 858                 lastdir[0] = 0;
 859             }
 860
 861             lastfilter = *tc.dirfilter;
 862             lastsortcase = global_settings.sort_case;
 863             restore = true;
 864         }
 865
 866         if (exit_func)
 867             return GO_TO_PREVIOUS;
 868
 869         if (restore || reload_dir) {
 870             /* restore display */
 871             numentries = update_dir();
 872             reload_dir = false;
 873             if (currdir[1] && (numentries < 0))
 874             {   /* not in root and reload failed */
 875                 reload_root = true; /* try root */
 876                 goto check_rescan;
 877             }
 878         }
 879     }
 880     return true;
 881 }
 882
 883 bool create_playlist(void)
 884 {
 885     char filename[MAX_PATH];
 886
 887     snprintf(filename, sizeof filename, "%s.m3u8",
 888              tc.currdir[1] ? tc.currdir : "/root");
 889     splashf(0, "%s %s", str(LANG_CREATING), filename);
 890
 891     trigger_cpu_boost();
 892     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 893     cancel_cpu_boost();
 894
 895     return true;
 896 }
 897
 898 int rockbox_browse(const char *root, int dirfilter)
 899 {
 900     int ret_val = 0;
 901     int *last_filter = tc.dirfilter;
 902     tc.dirfilter = &dirfilter;
 903     tc.sort_dir = global_settings.sort_dir;
 904
 905     reload_dir = true;
 906     if (dirfilter >= NUM_FILTER_MODES)
 907     {
 908         static struct tree_context backup;
 909         int last_context;
 910
 911         backup = tc;
 912         tc.selected_item = 0;
 913         tc.dirlevel = 0;
 914         memcpy(tc.currdir, root, sizeof(tc.currdir));
 915         start_wps = false;
 916         last_context = curr_context;
 917
 918         ret_val = dirbrowse();
 919         tc = backup;
 920         curr_context = last_context;
 921     }
 922     else
 923     {
 924         static char buf[MAX_PATH];
 925         if (dirfilter != SHOW_ID3DB)
 926             tc.dirfilter = &global_settings.dirfilter;
 927         strcpy(buf,root);
 928         set_current_file(buf);
 929         ret_val = dirbrowse();
 930     }
 931     tc.dirfilter = last_filter;
 932     return ret_val;
 933 }
 934
 935 void tree_mem_init(void)
 936 {
 937     /* We copy the settings value in case it is changed by the user. We can't
 938        use it until the next reboot. */
 939     max_files = global_settings.max_files_in_dir;
 940
 941     /* initialize tree context struct */
 942     memset(&tc, 0, sizeof(tc));
 943     tc.dirfilter = &global_settings.dirfilter;
 944     tc.sort_dir = global_settings.sort_dir;
 945
 946     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
 947     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
 948
 949     tc.dircache_size = max_files * sizeof(struct entry);
 950     tc.dircache = buffer_alloc(tc.dircache_size);
 951     tree_get_filetypes(&filetypes, &filetypes_count);
 952 }
 953
 954 bool bookmark_play(char *resume_file, int index, int offset, int seed,
 955                    char *filename)
 956 {
 957     int i;
 958     char* suffix = strrchr(resume_file, '.');
 959     bool started = false;
 960
 961     if (suffix != NULL &&
 962         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
 963     {
 964         /* Playlist playback */
 965         char* slash;
 966         /* check that the file exists */
 967         if(!file_exists(resume_file))
 968             return false;
 969
 970         slash = strrchr(resume_file,'/');
 971         if (slash)
 972         {
 973             char* cp;
 974             *slash=0;
 975
 976             cp=resume_file;
 977             if (!cp[0])
 978                 cp="/";
 979
 980             if (playlist_create(cp, slash+1) != -1)
 981             {
 982                 if (global_settings.playlist_shuffle)
 983                     playlist_shuffle(seed, -1);
 984                 playlist_start(index,offset);
 985                 started = true;
 986             }
 987             *slash='/';
 988         }
 989     }
 990     else
 991     {
 992         /* Directory playback */
 993         lastdir[0]='\0';
 994         if (playlist_create(resume_file, NULL) != -1)
 995         {
 996             char* peek_filename;
 997             resume_directory(resume_file);
 998             if (global_settings.playlist_shuffle)
 999                 playlist_shuffle(seed, -1);
1000
1001             /* Check if the file is at the same spot in the directory,
1002                else search for it */
1003             peek_filename = playlist_peek(index);
1004
1005             if (peek_filename == NULL)
1006                 return false;
1007
1008             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1009             {
1010                 for ( i=0; i < playlist_amount(); i++ )
1011                 {
1012                     peek_filename = playlist_peek(i);
1013
1014                     if (peek_filename == NULL)
1015                         return false;
1016
1017                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1018                         break;
1019                 }
1020                 if (i < playlist_amount())
1021                     index = i;
1022                 else
1023                     return false;
1024             }
1025             playlist_start(index,offset);
1026             started = true;
1027         }
1028     }
1029
1030     if (started)
1031         start_wps = true;
1032     return started;
1033 }
1034
1035 static void say_filetype(int attr)
1036 {
1037     /* try to find a voice ID for the extension, if known */
1038     int j;
1039     attr &= FILE_ATTR_MASK; /* file type */
1040     for (j=0; j<filetypes_count; j++)
1041         if (attr == filetypes[j].tree_attr)
1042         {
1043             talk_id(filetypes[j].voiceclip, true);
1044             return;
1045         }
1046 }
1047
1048 static int ft_play_dirname(char* name)
1049 {
1050 #if CONFIG_CODEC != SWCODEC
1051     if (audio_status() & AUDIO_STATUS_PLAY)
1052         return 0;
1053 #endif
1054
1055     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1056                  NULL, false))
1057     {
1058         if(global_settings.talk_filetype)
1059             talk_id(VOICE_DIR, true);
1060         return 1;
1061     }
1062     else
1063         return -1;
1064 }
1065
1066 static void ft_play_filename(char *dir, char *file)
1067 {
1068 #if CONFIG_CODEC != SWCODEC
1069     if (audio_status() & AUDIO_STATUS_PLAY)
1070         return;
1071 #endif
1072
1073     if (strlen(file) >= strlen(file_thumbnail_ext)
1074         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1075                       file_thumbnail_ext))
1076         /* file has no .talk extension */
1077         talk_file(dir, NULL, file, file_thumbnail_ext,
1078                   NULL, false);
1079     else
1080         /* it already is a .talk file, play this directly, but prefix it. */
1081         talk_file(dir, NULL, file, NULL,
1082                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1083 }
1084
1085 /* These two functions are called by the USB and shutdown handlers */
1086 void tree_flush(void)
1087 {
1088 #ifdef HAVE_TAGCACHE
1089     tagcache_shutdown();
1090 #endif
1091
1092 #ifdef HAVE_TC_RAMCACHE
1093     tagcache_unload_ramcache();
1094 #endif
1095
1096 #ifdef HAVE_DIRCACHE
1097     {
1098         int old_val = global_status.dircache_size;
1099         if (global_settings.dircache)
1100         {
1101             if (!dircache_is_initializing())
1102                 global_status.dircache_size = dircache_get_cache_size();
1103 # ifdef HAVE_EEPROM_SETTINGS
1104             if (firmware_settings.initialized)
1105                 dircache_save();
1106 # endif
1107             dircache_disable();
1108         }
1109         else
1110         {
1111             global_status.dircache_size = 0;
1112         }
1113         if (old_val != global_status.dircache_size)
1114             status_save();
1115     }
1116 #endif
1117 }
1118
1119 void tree_restore(void)
1120 {
1121 #ifdef HAVE_EEPROM_SETTINGS
1122     firmware_settings.disk_clean = false;
1123 #endif
1124
1125 #ifdef HAVE_TC_RAMCACHE
1126     remove(TAGCACHE_STATEFILE);
1127 #endif
1128
1129 #ifdef HAVE_DIRCACHE
1130     remove(DIRCACHE_FILE);
1131     if (global_settings.dircache)
1132     {
1133         /* Print "Scanning disk..." to the display. */
1134         splash(0, str(LANG_SCANNING_DISK));
1135
1136         dircache_build(global_status.dircache_size);
1137     }
1138 #endif
1139 #ifdef HAVE_TAGCACHE
1140     tagcache_start_scan();
1141 #endif
1142 }