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 <stdlib.h>
  23 #include <stdbool.h>
  24 #include "string-extra.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 "audio.h"
  36 #include "playlist.h"
  37 #include "menu.h"
  38 #include "skin_engine/skin_engine.h"
  39 #include "settings.h"
  40 #include "debug.h"
  41 #include "storage.h"
  42 #include "rolo.h"
  43 #include "icons.h"
  44 #include "lang.h"
  45 #include "screens.h"
  46 #include "keyboard.h"
  47 #include "bookmark.h"
  48 #include "onplay.h"
  49 #include "buffer.h"
  50 #include "power.h"
  51 #include "action.h"
  52 #include "talk.h"
  53 #include "filetypes.h"
  54 #include "misc.h"
  55 #include "filefuncs.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 static 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     char path[MAX_PATH];
 265     if(!dir_exists(get_user_file_path(ROCKBOX_DIR, 0, path, sizeof(path))))
 266     {   /* No need to localise this message.
 267            If .rockbox is missing, it wouldn't work anyway */
 268         int i;
 269         FOR_NB_SCREENS(i)
 270             screens[i].clear_display();
 271         splash(HZ*2, "No .rockbox directory");
 272         FOR_NB_SCREENS(i)
 273             screens[i].clear_display();
 274         splash(HZ*2, "Installation incomplete");
 275         return false;
 276     }
 277     return true;
 278 }
 279
 280 /* do this really late in the init sequence */
 281 void tree_gui_init(void)
 282 {
 283     check_rockboxdir();
 284
 285     strcpy(tc.currdir, "/");
 286
 287 #ifdef HAVE_LCD_CHARCELLS
 288     int i;
 289     FOR_NB_SCREENS(i)
 290         screens[i].double_height(false);
 291 #endif
 292 #ifdef HAVE_BUTTONBAR
 293     gui_buttonbar_init(&tree_buttonbar);
 294     /* since archos only have one screen, no need to create more than that */
 295     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 296 #endif
 297     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 298     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 299     gui_synclist_set_icon_callback(&tree_lists,
 300                                     global_settings.show_icons?&tree_get_fileicon:NULL);
 301 #ifdef HAVE_LCD_COLOR
 302     gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor);
 303 #endif
 304 }
 305
 306
 307 /* drawer function for the GUI_EVENT_REDRAW callback */
 308 void tree_drawlists(void)
 309 {
 310     /* band-aid to fix the bar/list redrawing properly after leaving a plugin */
 311     send_event(GUI_EVENT_THEME_CHANGED, NULL);
 312     /* end bandaid */
 313     gui_synclist_draw(&tree_lists);
 314 }
 315
 316
 317 struct tree_context* tree_get_context(void)
 318 {
 319     return &tc;
 320 }
 321
 322 /*
 323  * Returns the position of a given file in the current directory
 324  * returns -1 if not found
 325  */
 326 static int tree_get_file_position(char * filename)
 327 {
 328     int i;
 329
 330     /* use lastfile to determine the selected item (default=0) */
 331     for (i=0; i < tc.filesindir; i++)
 332     {
 333         struct entry* dc = tc.dircache;
 334         struct entry* e = &dc[i];
 335         if (!strcasecmp(e->name, filename))
 336             return(i);
 337     }
 338     return(-1);/* no file can match, returns undefined */
 339 }
 340
 341 /*
 342  * Called when a new dir is loaded (for example when returning from other apps ...)
 343  * also completely redraws the tree
 344  */
 345 static int update_dir(void)
 346 {
 347     bool changed = false;
 348 #ifdef HAVE_TAGCACHE
 349     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 350     /* Checks for changes */
 351     if (id3db) {
 352         if (tc.currtable != lasttable ||
 353             tc.currextra != lastextra ||
 354             tc.firstpos  != lastfirstpos ||
 355             reload_dir)
 356         {
 357             if (tagtree_load(&tc) < 0)
 358                 return -1;
 359
 360             lasttable = tc.currtable;
 361             lastextra = tc.currextra;
 362             lastfirstpos = tc.firstpos;
 363             changed = true;
 364         }
 365     }
 366     else
 367 #endif
 368     {
 369         /* if the tc.currdir has been changed, reload it ...*/
 370         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 371         {
 372             if (ft_load(&tc, NULL) < 0)
 373                 return -1;
 374             strcpy(lastdir, tc.currdir);
 375             changed = true;
 376         }
 377     }
 378     /* if selected item is undefined */
 379     if (tc.selected_item == -1)
 380     {
 381         /* use lastfile to determine the selected item */
 382         tc.selected_item = tree_get_file_position(lastfile);
 383
 384         /* If the file doesn't exists, select the first one (default) */
 385         if(tc.selected_item < 0)
 386             tc.selected_item = 0;
 387         changed = true;
 388     }
 389     if (changed)
 390     {
 391         if(
 392 #ifdef HAVE_TAGCACHE
 393         !id3db &&
 394 #endif
 395         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 396         {
 397             splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 398         }
 399     }
 400 #ifdef HAVE_TAGCACHE
 401     if (id3db)
 402     {
 403 #ifdef HAVE_LCD_BITMAP
 404         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 405             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 406         {
 407             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 408                 filetype_get_icon(ATTR_DIRECTORY));
 409         }
 410         else
 411         {
 412             /* Must clear the title as the list is reused */
 413             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 414         }
 415 #endif
 416     }
 417     else
 418 #endif
 419     {
 420 #ifdef HAVE_LCD_BITMAP
 421         if (global_settings.show_path_in_browser &&
 422             *(tc.dirfilter) == SHOW_PLUGINS)
 423         {
 424             char *title;
 425             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 426                 title = str(LANG_PLUGIN_GAMES);
 427             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 428                 title = str(LANG_PLUGIN_APPS);
 429             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 430                 title = str(LANG_PLUGIN_DEMOS);
 431             else title = str(LANG_PLUGINS);
 432             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 433         }
 434         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 435         {
 436             gui_synclist_set_title(&tree_lists, tc.currdir,
 437                 filetype_get_icon(ATTR_DIRECTORY));
 438         }
 439         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 440         {
 441             char *title = strrchr(tc.currdir, '/') + 1;
 442             if (*title == '\0')
 443             {
 444                 /* Display "Files" for the root dir */
 445                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 446                     filetype_get_icon(ATTR_DIRECTORY));
 447             }
 448             else
 449                 gui_synclist_set_title(&tree_lists, title,
 450                     filetype_get_icon(ATTR_DIRECTORY));
 451         }
 452         else
 453         {
 454             /* Must clear the title as the list is reused */
 455             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 456         }
 457 #endif
 458     }
 459
 460     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 461     gui_synclist_set_icon_callback(&tree_lists,
 462                                    global_settings.show_icons?tree_get_fileicon:NULL);
 463     if( tc.selected_item >= tc.filesindir)
 464         tc.selected_item=tc.filesindir-1;
 465
 466     gui_synclist_select_item(&tree_lists, tc.selected_item);
 467 #ifdef HAVE_BUTTONBAR
 468     if (global_settings.buttonbar) {
 469         if (*tc.dirfilter < NUM_FILTER_MODES)
 470             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 471                           str(LANG_SYSFONT_DIRBROWSE_F2),
 472                           str(LANG_SYSFONT_DIRBROWSE_F3));
 473         else
 474             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 475         gui_buttonbar_draw(&tree_buttonbar);
 476     }
 477 #endif
 478     gui_synclist_draw(&tree_lists);
 479     gui_synclist_speak_item(&tree_lists);
 480     return tc.filesindir;
 481 }
 482
 483 /* load tracks from specified directory to resume play */
 484 void resume_directory(const char *dir)
 485 {
 486     int dirfilter = *tc.dirfilter;
 487     int ret;
 488 #ifdef HAVE_TAGCACHE
 489     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 490 #endif
 491     /* make sure the dirfilter is sane. The only time it should be possible
 492      * thats its not is when resume playlist is called from a plugin
 493      */
 494 #ifdef HAVE_TAGCACHE
 495     if (!id3db)
 496 #endif
 497         *tc.dirfilter = global_settings.dirfilter;
 498     ret = ft_load(&tc, dir);
 499     *tc.dirfilter = dirfilter;
 500     if (ret < 0)
 501         return;
 502     lastdir[0] = 0;
 503
 504     ft_build_playlist(&tc, 0);
 505
 506 #ifdef HAVE_TAGCACHE
 507     if (id3db)
 508         tagtree_load(&tc);
 509 #endif
 510 }
 511
 512 /* Returns the current working directory and also writes cwd to buf if
 513    non-NULL.  In case of error, returns NULL. */
 514 char *getcwd(char *buf, int size)
 515 {
 516     if (!buf)
 517         return tc.currdir;
 518     else if (size > 0)
 519     {
 520         strlcpy(buf, tc.currdir, size);
 521         return buf;
 522     }
 523     else
 524         return NULL;
 525 }
 526
 527 /* Force a reload of the directory next time directory browser is called */
 528 void reload_directory(void)
 529 {
 530     reload_dir = true;
 531 }
 532
 533 void get_current_file(char* buffer, int buffer_len)
 534 {
 535 #ifdef HAVE_TAGCACHE
 536     /* in ID3DB mode it is a bad idea to call this function */
 537     /* (only happens with `follow playlist') */
 538     if( *tc.dirfilter == SHOW_ID3DB )
 539         return;
 540 #endif
 541
 542     struct entry* dc = tc.dircache;
 543     struct entry* e = &dc[tc.selected_item];
 544     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 545                                           tc.dirlength ? e->name : "");
 546 }
 547
 548 /* Allow apps to change our dirfilter directly (required for sub browsers)
 549    if they're suddenly going to become a file browser for example */
 550 void set_dirfilter(int l_dirfilter)
 551 {
 552     *tc.dirfilter = l_dirfilter;
 553 }
 554
 555 /* Selects a file and update tree context properly */
 556 void set_current_file(char *path)
 557 {
 558     char *name;
 559     int i;
 560
 561 #ifdef HAVE_TAGCACHE
 562     /* in ID3DB mode it is a bad idea to call this function */
 563     /* (only happens with `follow playlist') */
 564     if( *tc.dirfilter == SHOW_ID3DB )
 565         return;
 566 #endif
 567
 568     /* separate directory from filename */
 569     /* gets the directory's name and put it into tc.currdir */
 570     name = strrchr(path+1,'/');
 571     if (name)
 572     {
 573         *name = 0;
 574         strcpy(tc.currdir, path);
 575         *name = '/';
 576         name++;
 577     }
 578     else
 579     {
 580         strcpy(tc.currdir, "/");
 581         name = path+1;
 582     }
 583
 584     strcpy(lastfile, name);
 585
 586
 587     /* If we changed dir we must recalculate the dirlevel
 588        and adjust the selected history properly */
 589     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 590     {
 591         tc.dirlevel =  0;
 592         tc.selected_item_history[tc.dirlevel] = -1;
 593
 594         /* use '/' to calculate dirlevel */
 595         for (i = 1; path[i] != '\0'; i++)
 596         {
 597             if (path[i] == '/')
 598             {
 599                 tc.dirlevel++;
 600                 tc.selected_item_history[tc.dirlevel] = -1;
 601             }
 602         }
 603     }
 604     if (ft_load(&tc, NULL) >= 0)
 605     {
 606         tc.selected_item = tree_get_file_position(lastfile);
 607     }
 608 }
 609
 610
 611 /* main loop, handles key events */
 612 static int dirbrowse()
 613 {
 614     int numentries=0;
 615     char buf[MAX_PATH];
 616     int button, oldbutton;
 617     bool reload_root = false;
 618     int lastfilter = *tc.dirfilter;
 619     bool lastsortcase = global_settings.sort_case;
 620     bool exit_func = false;
 621
 622     char* currdir = tc.currdir; /* just a shortcut */
 623 #ifdef HAVE_TAGCACHE
 624     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 625
 626     if (id3db)
 627         curr_context=CONTEXT_ID3DB;
 628     else
 629 #endif
 630         curr_context=CONTEXT_TREE;
 631     if (tc.selected_item < 0)
 632         tc.selected_item = 0;
 633 #ifdef HAVE_TAGCACHE
 634     tc.firstpos = 0;
 635     lasttable = -1;
 636     lastextra = -1;
 637     lastfirstpos = 0;
 638 #endif
 639
 640     start_wps = false;
 641     numentries = update_dir();
 642     reload_dir = false;
 643     if (numentries == -1)
 644         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 645
 646     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 647     {
 648         splash(HZ*2, ID2P(LANG_NO_FILES));
 649         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 650     }
 651
 652     gui_synclist_draw(&tree_lists);
 653     while(1) {
 654         struct entry *dircache = tc.dircache;
 655         bool restore = false;
 656         if (tc.dirlevel < 0)
 657             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 658 #ifdef BOOTFILE
 659         if (boot_changed) {
 660             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 661             static const struct text_message message={lines, 2};
 662             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 663                 rolo_load("/" BOOTFILE);
 664             restore = true;
 665             boot_changed = false;
 666         }
 667 #endif
 668         button = get_action(CONTEXT_TREE,
 669                             list_do_action_timeout(&tree_lists, HZ/2));
 670         oldbutton = button;
 671         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 672         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 673         switch ( button ) {
 674             case ACTION_STD_OK:
 675                 /* nothing to do if no files to display */
 676                 if ( numentries == 0 )
 677                     break;
 678
 679 #ifdef HAVE_TAGCACHE
 680                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 681 #else
 682                 switch (ft_enter(&tc))
 683 #endif
 684                 {
 685                     case 1: reload_dir = true; break;
 686                     case 2: start_wps = true; break;
 687                     case 3: exit_func = true; break;
 688                     default: break;
 689                 }
 690                 restore = true;
 691                 break;
 692
 693             case ACTION_STD_CANCEL:
 694                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 695                     exit_func = true;
 696                     break;
 697                 }
 698                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 699                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 700                 {
 701 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 702                     if (oldbutton == ACTION_TREE_PGLEFT)
 703                         break;
 704                     else
 705 #endif
 706                         return GO_TO_ROOT;
 707                 }
 708
 709 #ifdef HAVE_TAGCACHE
 710                 if (id3db)
 711                     tagtree_exit(&tc);
 712                 else
 713 #endif
 714                     if (ft_exit(&tc) == 3)
 715                         exit_func = true;
 716
 717                 restore = true;
 718                 break;
 719
 720             case ACTION_TREE_STOP:
 721                 if (list_stop_handler())
 722                     restore = true;
 723                 break;
 724
 725             case ACTION_STD_MENU:
 726                 return GO_TO_ROOT;
 727                 break;
 728
 729 #ifdef HAVE_RECORDING
 730             case ACTION_STD_REC:
 731                 return GO_TO_RECSCREEN;
 732 #endif
 733
 734             case ACTION_TREE_WPS:
 735                 return GO_TO_PREVIOUS_MUSIC;
 736                 break;
 737 #ifdef HAVE_QUICKSCREEN
 738             case ACTION_STD_QUICKSCREEN:
 739                 /* don't enter f2 from plugin browser */
 740                 if (*tc.dirfilter < NUM_FILTER_MODES)
 741                 {
 742                     if (quick_screen_quick(button))
 743                         reload_dir = true;
 744                     restore = true;
 745                 }
 746                 break;
 747 #endif
 748 #ifdef BUTTON_F3
 749             case ACTION_F3:
 750                 /* don't enter f3 from plugin browser */
 751                 if (*tc.dirfilter < NUM_FILTER_MODES)
 752                 {
 753                     if (quick_screen_f3(ACTION_F3))
 754                         reload_dir = true;
 755                     restore = true;
 756                 }
 757                 break;
 758 #endif
 759
 760 #ifdef HAVE_HOTKEY
 761             case ACTION_TREE_HOTKEY:
 762                 if (!global_settings.hotkey_tree)
 763                     break;
 764                 /* fall through */
 765 #endif
 766             case ACTION_STD_CONTEXT:
 767             {
 768                 bool hotkey = button == ACTION_TREE_HOTKEY;
 769                 int onplay_result;
 770                 int attr = 0;
 771
 772                 if(!numentries)
 773                     onplay_result = onplay(NULL, 0, curr_context, hotkey);
 774                 else {
 775 #ifdef HAVE_TAGCACHE
 776                     if (id3db)
 777                     {
 778                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 779                         {
 780                             attr = FILE_ATTR_AUDIO;
 781                             tagtree_get_filename(&tc, buf, sizeof(buf));
 782                         }
 783                         else
 784                             attr = ATTR_DIRECTORY;
 785                     }
 786                     else
 787 #endif
 788                     {
 789                         attr = dircache[tc.selected_item].attr;
 790
 791                         if (currdir[1]) /* Not in / */
 792                             snprintf(buf, sizeof buf, "%s/%s",
 793                                      currdir,
 794                                      dircache[tc.selected_item].name);
 795                         else /* In / */
 796                             snprintf(buf, sizeof buf, "/%s",
 797                                      dircache[tc.selected_item].name);
 798                     }
 799                     onplay_result = onplay(buf, attr, curr_context, hotkey);
 800                 }
 801                 switch (onplay_result)
 802                 {
 803                     case ONPLAY_MAINMENU:
 804                         return GO_TO_ROOT;
 805
 806                     case ONPLAY_OK:
 807                         restore = true;
 808                         break;
 809
 810                     case ONPLAY_RELOAD_DIR:
 811                         reload_dir = true;
 812                         break;
 813
 814                     case ONPLAY_START_PLAY:
 815                         return GO_TO_WPS;
 816                         break;
 817                 }
 818                 break;
 819             }
 820
 821 #ifdef HAVE_HOTSWAP
 822             case SYS_FS_CHANGED:
 823 #ifdef HAVE_TAGCACHE
 824                 if (!id3db)
 825 #endif
 826                     reload_dir = true;
 827                 /* The 'dir no longer valid' situation will be caught later
 828                  * by checking the showdir() result. */
 829                 break;
 830 #endif
 831
 832             default:
 833                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 834                 {
 835                     if(*tc.dirfilter > NUM_FILTER_MODES)
 836                         /* leave sub-browsers after usb, doing otherwise
 837                            might be confusing to the user */
 838                         exit_func = true;
 839                     else
 840                         reload_dir = true;
 841                 }
 842                 break;
 843         }
 844         if (start_wps)
 845             return GO_TO_WPS;
 846         if (button && !IS_SYSEVENT(button))
 847         {
 848             storage_spin();
 849         }
 850
 851
 852     check_rescan:
 853         /* do we need to rescan dir? */
 854         if (reload_dir || reload_root ||
 855             lastfilter != *tc.dirfilter ||
 856             lastsortcase != global_settings.sort_case)
 857         {
 858             if (reload_root) {
 859                 strcpy(currdir, "/");
 860                 tc.dirlevel = 0;
 861 #ifdef HAVE_TAGCACHE
 862                 tc.currtable = 0;
 863                 tc.currextra = 0;
 864                 lasttable = -1;
 865                 lastextra = -1;
 866 #endif
 867                 reload_root = false;
 868             }
 869
 870             if (!reload_dir)
 871             {
 872                 gui_synclist_select_item(&tree_lists, 0);
 873                 gui_synclist_draw(&tree_lists);
 874                 tc.selected_item = 0;
 875                 lastdir[0] = 0;
 876             }
 877
 878             lastfilter = *tc.dirfilter;
 879             lastsortcase = global_settings.sort_case;
 880             restore = true;
 881         }
 882
 883         if (exit_func)
 884             return GO_TO_PREVIOUS;
 885
 886         if (restore || reload_dir) {
 887             /* restore display */
 888             numentries = update_dir();
 889             reload_dir = false;
 890             if (currdir[1] && (numentries < 0))
 891             {   /* not in root and reload failed */
 892                 reload_root = true; /* try root */
 893                 goto check_rescan;
 894             }
 895         }
 896     }
 897     return true;
 898 }
 899
 900 bool create_playlist(void)
 901 {
 902     char filename[MAX_PATH];
 903
 904     snprintf(filename, sizeof filename, "%s.m3u8",
 905              tc.currdir[1] ? tc.currdir : "/root");
 906     splashf(0, "%s %s", str(LANG_CREATING), filename);
 907
 908     trigger_cpu_boost();
 909     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 910     cancel_cpu_boost();
 911
 912     return true;
 913 }
 914
 915 int rockbox_browse(const char *root, int dirfilter)
 916 {
 917     int ret_val = 0;
 918     int *last_filter = tc.dirfilter;
 919     tc.dirfilter = &dirfilter;
 920     tc.sort_dir = global_settings.sort_dir;
 921
 922     reload_dir = true;
 923     if (dirfilter >= NUM_FILTER_MODES)
 924     {
 925         static struct tree_context backup;
 926         int last_context;
 927         const char *dir, *ext, *setting = NULL;
 928
 929         backup = tc;
 930         tc.selected_item = 0;
 931         tc.dirlevel = 0;
 932         memcpy(tc.currdir, root, sizeof(tc.currdir));
 933         start_wps = false;
 934         last_context = curr_context;
 935
 936         /* if we are in a special settings folder, center the current setting */
 937         switch(dirfilter)
 938         {
 939             case SHOW_LNG:
 940                 dir = LANG_DIR;
 941                 ext = "lng";
 942                 if (global_settings.lang_file[0])
 943                     setting = global_settings.lang_file;
 944                 else
 945                     setting = "english";
 946                 break;
 947             case SHOW_WPS:
 948                 dir = WPS_DIR;
 949                 ext = "wps";
 950                 setting = global_settings.wps_file;
 951                 break;
 952 #ifdef HAVE_REMOTE_LCD
 953             case SHOW_RWPS:
 954                 dir = WPS_DIR;
 955                 ext = "rwps";
 956                 setting = global_settings.rwps_file;
 957                 break;
 958             case SHOW_RSBS:
 959                 dir = WPS_DIR;
 960                 ext = "rsbs";
 961                 setting = global_settings.rsbs_file;
 962                 break;
 963 #endif
 964 #ifdef HAVE_LCD_BITMAP
 965             case SHOW_FONT:
 966                 dir = FONT_DIR;
 967                 ext = "fnt";
 968                 setting = global_settings.font_file;
 969                 break;
 970             case SHOW_SBS:
 971                 dir = WPS_DIR;
 972                 ext = "sbs";
 973                 setting = global_settings.sbs_file;
 974                 break;
 975 #endif
 976 #if CONFIG_TUNER
 977             case SHOW_FMR:
 978                 dir = FMPRESET_PATH;
 979                 ext = "fmr";
 980                 setting = global_settings.fmr_file;
 981                 break;
 982 #endif
 983             default:
 984                 dir = ext = setting = NULL;
 985                 break;
 986             }
 987
 988         /* If we've found a file to center on, do it */
 989         if (setting)
 990         {
 991             char current[MAX_PATH], _dir[MAX_PATH];
 992             /* if setting != NULL, ext and dir are not used uninitialized */
 993             snprintf(current, sizeof(current), "%s/%s.%s",
 994                      get_user_file_path(dir, 0, _dir, sizeof(_dir)), setting, ext);
 995             set_current_file(current);
 996             /* set_current_file changes dirlevel, change it back */
 997             tc.dirlevel = 0;
 998         }
 999
1000         ret_val = dirbrowse();
1001         tc = backup;
1002         curr_context = last_context;
1003     }
1004     else
1005     {
1006         static char buf[MAX_PATH];
1007         if (dirfilter != SHOW_ID3DB)
1008             tc.dirfilter = &global_settings.dirfilter;
1009         strcpy(buf,root);
1010         set_current_file(buf);
1011         ret_val = dirbrowse();
1012     }
1013     tc.dirfilter = last_filter;
1014     return ret_val;
1015 }
1016
1017 void tree_mem_init(void)
1018 {
1019     /* We copy the settings value in case it is changed by the user. We can't
1020        use it until the next reboot. */
1021     max_files = global_settings.max_files_in_dir;
1022
1023     /* initialize tree context struct */
1024     memset(&tc, 0, sizeof(tc));
1025     tc.dirfilter = &global_settings.dirfilter;
1026     tc.sort_dir = global_settings.sort_dir;
1027
1028     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1029     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1030
1031     tc.dircache_size = max_files * sizeof(struct entry);
1032     tc.dircache = buffer_alloc(tc.dircache_size);
1033     tree_get_filetypes(&filetypes, &filetypes_count);
1034 }
1035
1036 bool bookmark_play(char *resume_file, int index, int offset, int seed,
1037                    char *filename)
1038 {
1039     int i;
1040     char* suffix = strrchr(resume_file, '.');
1041     bool started = false;
1042
1043     if (suffix != NULL &&
1044         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1045     {
1046         /* Playlist playback */
1047         char* slash;
1048         /* check that the file exists */
1049         if(!file_exists(resume_file))
1050             return false;
1051
1052         slash = strrchr(resume_file,'/');
1053         if (slash)
1054         {
1055             char* cp;
1056             *slash=0;
1057
1058             cp=resume_file;
1059             if (!cp[0])
1060                 cp="/";
1061
1062             if (playlist_create(cp, slash+1) != -1)
1063             {
1064                 if (global_settings.playlist_shuffle)
1065                     playlist_shuffle(seed, -1);
1066                 playlist_start(index,offset);
1067                 started = true;
1068             }
1069             *slash='/';
1070         }
1071     }
1072     else
1073     {
1074         /* Directory playback */
1075         lastdir[0]='\0';
1076         if (playlist_create(resume_file, NULL) != -1)
1077         {
1078             char filename_buf[MAX_PATH + 1];
1079             const char* peek_filename;
1080             resume_directory(resume_file);
1081             if (global_settings.playlist_shuffle)
1082                 playlist_shuffle(seed, -1);
1083
1084             /* Check if the file is at the same spot in the directory,
1085                else search for it */
1086             peek_filename = playlist_peek(index, filename_buf,
1087                 sizeof(filename_buf));
1088
1089             if (peek_filename == NULL)
1090             {
1091                 /* playlist has shrunk, search from the top */
1092                 index = 0;
1093                 peek_filename = playlist_peek(index, filename_buf,
1094                     sizeof(filename_buf));
1095                 if (peek_filename == NULL)
1096                     return false;
1097             }
1098
1099             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1100             {
1101                 for ( i=0; i < playlist_amount(); i++ )
1102                 {
1103                     peek_filename = playlist_peek(i, filename_buf,
1104                         sizeof(filename_buf));
1105
1106                     if (peek_filename == NULL)
1107                         return false;
1108
1109                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1110                         break;
1111                 }
1112                 if (i < playlist_amount())
1113                     index = i;
1114                 else
1115                     return false;
1116             }
1117             playlist_start(index,offset);
1118             started = true;
1119         }
1120     }
1121
1122     if (started)
1123         start_wps = true;
1124     return started;
1125 }
1126
1127 static void say_filetype(int attr)
1128 {
1129     /* try to find a voice ID for the extension, if known */
1130     int j;
1131     attr &= FILE_ATTR_MASK; /* file type */
1132     for (j=0; j<filetypes_count; j++)
1133         if (attr == filetypes[j].tree_attr)
1134         {
1135             talk_id(filetypes[j].voiceclip, true);
1136             return;
1137         }
1138 }
1139
1140 static int ft_play_dirname(char* name)
1141 {
1142 #if CONFIG_CODEC != SWCODEC
1143     if (audio_status() & AUDIO_STATUS_PLAY)
1144         return 0;
1145 #endif
1146
1147     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1148                  NULL, false))
1149     {
1150         if(global_settings.talk_filetype)
1151             talk_id(VOICE_DIR, true);
1152         return 1;
1153     }
1154     else
1155         return -1;
1156 }
1157
1158 static void ft_play_filename(char *dir, char *file)
1159 {
1160 #if CONFIG_CODEC != SWCODEC
1161     if (audio_status() & AUDIO_STATUS_PLAY)
1162         return;
1163 #endif
1164
1165     if (strlen(file) >= strlen(file_thumbnail_ext)
1166         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1167                       file_thumbnail_ext))
1168         /* file has no .talk extension */
1169         talk_file(dir, NULL, file, file_thumbnail_ext,
1170                   NULL, false);
1171     else
1172         /* it already is a .talk file, play this directly, but prefix it. */
1173         talk_file(dir, NULL, file, NULL,
1174                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1175 }
1176
1177 /* These two functions are called by the USB and shutdown handlers */
1178 void tree_flush(void)
1179 {
1180 #ifdef HAVE_TAGCACHE
1181     tagcache_shutdown();
1182 #endif
1183
1184 #ifdef HAVE_TC_RAMCACHE
1185     tagcache_unload_ramcache();
1186 #endif
1187
1188 #ifdef HAVE_DIRCACHE
1189     {
1190         int old_val = global_status.dircache_size;
1191         if (global_settings.dircache)
1192         {
1193             if (!dircache_is_initializing())
1194                 global_status.dircache_size = dircache_get_cache_size();
1195 # ifdef HAVE_EEPROM_SETTINGS
1196             if (firmware_settings.initialized)
1197                 dircache_save();
1198 # endif
1199             dircache_disable();
1200         }
1201         else
1202         {
1203             global_status.dircache_size = 0;
1204         }
1205         if (old_val != global_status.dircache_size)
1206             status_save();
1207     }
1208 #endif
1209 }
1210
1211 void tree_restore(void)
1212 {
1213 #ifdef HAVE_EEPROM_SETTINGS
1214     firmware_settings.disk_clean = false;
1215 #endif
1216
1217 #ifdef HAVE_TC_RAMCACHE
1218     remove(TAGCACHE_STATEFILE);
1219 #endif
1220
1221 #ifdef HAVE_DIRCACHE
1222     remove(DIRCACHE_FILE);
1223     if (global_settings.dircache)
1224     {
1225         /* Print "Scanning disk..." to the display. */
1226         splash(0, str(LANG_SCANNING_DISK));
1227
1228         dircache_build(global_status.dircache_size);
1229     }
1230 #endif
1231 #ifdef HAVE_TAGCACHE
1232     tagcache_start_scan();
1233 #endif
1234 }