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 "core_alloc.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 char lastfile[MAX_PATH];
  92 static char lastdir[MAX_PATH];
  93 #ifdef HAVE_TAGCACHE
  94 static int lasttable, lastextra, lastfirstpos;
  95 #endif
  96
  97 static bool reload_dir = false;
  98
  99 static bool start_wps = false;
 100 static int curr_context = false;/* id3db or tree*/
 101
 102 static int dirbrowse(void);
 103 static int ft_play_dirname(char* name);
 104 static void ft_play_filename(char *dir, char *file);
 105 static void say_filetype(int attr);
 106
 107 static struct entry* get_entry_at(struct tree_context *t, int index)
 108 {
 109     struct entry* entries = t->cache.entries;
 110     return &entries[index];
 111 }
 112
 113 static const char* tree_get_filename(int selected_item, void *data,
 114                                      char *buffer, size_t buffer_len)
 115 {
 116     struct tree_context * local_tc=(struct tree_context *)data;
 117     char *name;
 118     int attr=0;
 119     bool stripit = false;
 120 #ifdef HAVE_TAGCACHE
 121     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 122
 123     if (id3db)
 124     {
 125         return tagtree_get_entry(&tc, selected_item)->name;
 126     }
 127     else
 128 #endif
 129     {
 130         struct entry* e = get_entry_at(local_tc, selected_item);
 131         name = e->name;
 132         attr = e->attr;
 133     }
 134
 135     if(!(attr & ATTR_DIRECTORY))
 136     {
 137         switch(global_settings.show_filename_ext)
 138         {
 139             case 0:
 140                 /* show file extension: off */
 141                 stripit = true;
 142                 break;
 143             case 1:
 144                 /* show file extension: on */
 145                 break;
 146             case 2:
 147                 /* show file extension: only unknown types */
 148                 stripit = filetype_supported(attr);
 149                 break;
 150             case 3:
 151             default:
 152                 /* show file extension: only when viewing all */
 153                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 154                           (*(local_tc->dirfilter) != SHOW_ALL);
 155                 break;
 156         }
 157     }
 158
 159     if(stripit)
 160     {
 161         return(strip_extension(buffer, buffer_len, name));
 162     }
 163     return(name);
 164 }
 165
 166 #ifdef HAVE_LCD_COLOR
 167 static int tree_get_filecolor(int selected_item, void * data)
 168 {
 169     if (*tc.dirfilter == SHOW_ID3DB)
 170         return -1;
 171     struct tree_context * local_tc=(struct tree_context *)data;
 172     struct entry* e = get_entry_at(local_tc, selected_item);
 173     return filetype_get_color(e->name, e->attr);
 174 }
 175 #endif
 176
 177 static enum themable_icons tree_get_fileicon(int selected_item, void * data)
 178 {
 179     struct tree_context * local_tc=(struct tree_context *)data;
 180 #ifdef HAVE_TAGCACHE
 181     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 182     if (id3db) {
 183         return tagtree_get_icon(&tc);
 184     }
 185     else
 186 #endif
 187     {
 188         struct entry* e = get_entry_at(local_tc, 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* e = get_entry_at(local_tc, selected_item);
 210         name = e->name;
 211         attr = e->attr;
 212     }
 213     bool is_dir = (attr & ATTR_DIRECTORY);
 214     bool did_clip = false;
 215     /* First the .talk clip case */
 216     if(is_dir)
 217     {
 218         if(global_settings.talk_dir_clip)
 219         {
 220             did_clip = true;
 221             if(ft_play_dirname(name) <0)
 222                 /* failed, not existing */
 223                 did_clip = false;
 224         }
 225     } else { /* it's a file */
 226         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 227         {
 228             did_clip = true;
 229             ft_play_filename(local_tc->currdir, name);
 230         }
 231     }
 232     if(!did_clip)
 233     {
 234         /* say the number or spell if required or as a fallback */
 235         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 236         {
 237         case 1: /* as numbers */
 238             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 239             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 240                         true);
 241             if(global_settings.talk_filetype
 242                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 243                 say_filetype(attr);
 244             break;
 245         case 2: /* spelled */
 246             talk_shutup();
 247             if(global_settings.talk_filetype)
 248             {
 249                 if(is_dir)
 250                     talk_id(VOICE_DIR, true);
 251                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 252                     say_filetype(attr);
 253             }
 254             talk_spell(name, true);
 255             break;
 256         }
 257     }
 258     return 0;
 259 }
 260
 261 bool check_rockboxdir(void)
 262 {
 263     if(!dir_exists(ROCKBOX_DIR))
 264     {   /* No need to localise this message.
 265            If .rockbox is missing, it wouldn't work anyway */
 266         int i;
 267         FOR_NB_SCREENS(i)
 268             screens[i].clear_display();
 269         splash(HZ*2, "No .rockbox directory");
 270         FOR_NB_SCREENS(i)
 271             screens[i].clear_display();
 272         splash(HZ*2, "Installation incomplete");
 273         return false;
 274     }
 275     return true;
 276 }
 277
 278 /* do this really late in the init sequence */
 279 void tree_gui_init(void)
 280 {
 281     check_rockboxdir();
 282
 283     strcpy(tc.currdir, "/");
 284
 285 #ifdef HAVE_LCD_CHARCELLS
 286     int i;
 287     FOR_NB_SCREENS(i)
 288         screens[i].double_height(false);
 289 #endif
 290 #ifdef HAVE_BUTTONBAR
 291     gui_buttonbar_init(&tree_buttonbar);
 292     /* since archos only have one screen, no need to create more than that */
 293     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 294 #endif
 295     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 296     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 297     gui_synclist_set_icon_callback(&tree_lists,
 298                                     global_settings.show_icons?&tree_get_fileicon:NULL);
 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     struct entry* e;
 328
 329     /* use lastfile to determine the selected item (default=0) */
 330     for (i=0; i < tc.filesindir; i++)
 331     {
 332         e = get_entry_at(&tc, 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 )
 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 (tc.browse && tc.browse->title)
 420         {
 421             int icon = tc.browse->icon;
 422             if (icon == NOICON)
 423                 icon = filetype_get_icon(ATTR_DIRECTORY);
 424             gui_synclist_set_title(&tree_lists, tc.browse->title, icon);
 425         }
 426         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 427         {
 428             gui_synclist_set_title(&tree_lists, tc.currdir,
 429                 filetype_get_icon(ATTR_DIRECTORY));
 430         }
 431         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 432         {
 433             char *title = strrchr(tc.currdir, '/') + 1;
 434             if (*title == '\0')
 435             {
 436                 /* Display "Files" for the root dir */
 437                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 438                     filetype_get_icon(ATTR_DIRECTORY));
 439             }
 440             else
 441                 gui_synclist_set_title(&tree_lists, title,
 442                     filetype_get_icon(ATTR_DIRECTORY));
 443         }
 444         else
 445         {
 446             /* Must clear the title as the list is reused */
 447             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 448         }
 449 #endif
 450     }
 451
 452     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 453     gui_synclist_set_icon_callback(&tree_lists,
 454                                    global_settings.show_icons?tree_get_fileicon:NULL);
 455     if( tc.selected_item >= tc.filesindir)
 456         tc.selected_item=tc.filesindir-1;
 457
 458     gui_synclist_select_item(&tree_lists, tc.selected_item);
 459 #ifdef HAVE_BUTTONBAR
 460     if (global_settings.buttonbar) {
 461         if (*tc.dirfilter < NUM_FILTER_MODES)
 462             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 463                           str(LANG_SYSFONT_DIRBROWSE_F2),
 464                           str(LANG_SYSFONT_DIRBROWSE_F3));
 465         else
 466             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 467         gui_buttonbar_draw(&tree_buttonbar);
 468     }
 469 #endif
 470     gui_synclist_draw(&tree_lists);
 471     gui_synclist_speak_item(&tree_lists);
 472     return tc.filesindir;
 473 }
 474
 475 /* load tracks from specified directory to resume play */
 476 void resume_directory(const char *dir)
 477 {
 478     int dirfilter = *tc.dirfilter;
 479     int ret;
 480 #ifdef HAVE_TAGCACHE
 481     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 482 #endif
 483     /* make sure the dirfilter is sane. The only time it should be possible
 484      * thats its not is when resume playlist is called from a plugin
 485      */
 486 #ifdef HAVE_TAGCACHE
 487     if (!id3db)
 488 #endif
 489         *tc.dirfilter = global_settings.dirfilter;
 490     ret = ft_load(&tc, dir);
 491     *tc.dirfilter = dirfilter;
 492     if (ret < 0)
 493         return;
 494     lastdir[0] = 0;
 495
 496     ft_build_playlist(&tc, 0);
 497
 498 #ifdef HAVE_TAGCACHE
 499     if (id3db)
 500         tagtree_load(&tc);
 501 #endif
 502 }
 503
 504 /* Returns the current working directory and also writes cwd to buf if
 505    non-NULL.  In case of error, returns NULL. */
 506 char *getcwd(char *buf, getcwd_size_t size)
 507 {
 508     if (!buf)
 509         return tc.currdir;
 510     else if (size)
 511     {
 512         if ((getcwd_size_t)strlcpy(buf, tc.currdir, size) < size)
 513             return buf;
 514     }
 515     /* size == 0, or truncation in strlcpy */
 516     return NULL;
 517 }
 518
 519 /* Force a reload of the directory next time directory browser is called */
 520 void reload_directory(void)
 521 {
 522     reload_dir = true;
 523 }
 524
 525 char* get_current_file(char* buffer, size_t buffer_len)
 526 {
 527 #ifdef HAVE_TAGCACHE
 528     /* in ID3DB mode it is a bad idea to call this function */
 529     /* (only happens with `follow playlist') */
 530     if( *tc.dirfilter == SHOW_ID3DB )
 531         return NULL;
 532 #endif
 533
 534     struct entry* e = get_entry_at(&tc, tc.selected_item);
 535     if (getcwd(buffer, buffer_len))
 536     {
 537         if (tc.dirlength)
 538         {
 539             if (buffer[strlen(buffer)-1] != '/')
 540                 strlcat(buffer, "/", buffer_len);
 541             if (strlcat(buffer, e->name, buffer_len) >= buffer_len)
 542                 return NULL;
 543         }
 544         return buffer;
 545     }
 546     return NULL;
 547 }
 548
 549 /* Allow apps to change our dirfilter directly (required for sub browsers)
 550    if they're suddenly going to become a file browser for example */
 551 void set_dirfilter(int l_dirfilter)
 552 {
 553     *tc.dirfilter = l_dirfilter;
 554 }
 555
 556 /* Selects a file and update tree context properly */
 557 void set_current_file(const char *path)
 558 {
 559     const char *name;
 560     int i;
 561
 562 #ifdef HAVE_TAGCACHE
 563     /* in ID3DB mode it is a bad idea to call this function */
 564     /* (only happens with `follow playlist') */
 565     if( *tc.dirfilter == SHOW_ID3DB )
 566         return;
 567 #endif
 568
 569     /* separate directory from filename */
 570     /* gets the directory's name and put it into tc.currdir */
 571     name = strrchr(path+1,'/');
 572     if (name)
 573     {
 574         strlcpy(tc.currdir, path, name - path + 1);
 575         name++;
 576     }
 577     else
 578     {
 579         strcpy(tc.currdir, "/");
 580         name = path+1;
 581     }
 582
 583     strcpy(lastfile, name);
 584
 585
 586     /* If we changed dir we must recalculate the dirlevel
 587        and adjust the selected history properly */
 588     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 589     {
 590         tc.dirlevel =  0;
 591         tc.selected_item_history[tc.dirlevel] = -1;
 592
 593         /* use '/' to calculate dirlevel */
 594         for (i = 1; path[i] != '\0'; i++)
 595         {
 596             if (path[i] == '/')
 597             {
 598                 tc.dirlevel++;
 599                 tc.selected_item_history[tc.dirlevel] = -1;
 600             }
 601         }
 602     }
 603     if (ft_load(&tc, NULL) >= 0)
 604     {
 605         tc.selected_item = tree_get_file_position(lastfile);
 606     }
 607 }
 608
 609
 610 /* main loop, handles key events */
 611 static int dirbrowse(void)
 612 {
 613     int numentries=0;
 614     char buf[MAX_PATH];
 615     int button, oldbutton;
 616     bool reload_root = false;
 617     int lastfilter = *tc.dirfilter;
 618     bool lastsortcase = global_settings.sort_case;
 619     bool exit_func = false;
 620
 621     char* currdir = tc.currdir; /* just a shortcut */
 622 #ifdef HAVE_TAGCACHE
 623     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 624
 625     if (id3db)
 626         curr_context=CONTEXT_ID3DB;
 627     else
 628 #endif
 629         curr_context=CONTEXT_TREE;
 630     if (tc.selected_item < 0)
 631         tc.selected_item = 0;
 632 #ifdef HAVE_TAGCACHE
 633     tc.firstpos = 0;
 634     lasttable = -1;
 635     lastextra = -1;
 636     lastfirstpos = 0;
 637 #endif
 638
 639     start_wps = false;
 640     numentries = update_dir();
 641     reload_dir = false;
 642     if (numentries == -1)
 643         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 644
 645     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 646     {
 647         splash(HZ*2, ID2P(LANG_NO_FILES));
 648         return GO_TO_PREVIOUS;  /* No files found for rockbox_browse() */
 649     }
 650
 651     gui_synclist_draw(&tree_lists);
 652     while(1) {
 653         struct entry *entries = tc.cache.entries;
 654         bool restore = false;
 655         if (tc.dirlevel < 0)
 656             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 657
 658         button = get_action(CONTEXT_TREE,
 659                             list_do_action_timeout(&tree_lists, HZ/2));
 660         oldbutton = button;
 661         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 662         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 663         switch ( button ) {
 664             case ACTION_STD_OK:
 665                 /* nothing to do if no files to display */
 666                 if ( numentries == 0 )
 667                     break;
 668
 669                 if ((tc.browse->flags & BROWSE_SELECTONLY) &&
 670                     !(entries[tc.selected_item].attr & ATTR_DIRECTORY))
 671                 {
 672                     tc.browse->flags |= BROWSE_SELECTED;
 673                     get_current_file(tc.browse->buf, tc.browse->bufsize);
 674                     return GO_TO_PREVIOUS;
 675                 }
 676
 677 #ifdef HAVE_TAGCACHE
 678                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 679 #else
 680                 switch (ft_enter(&tc))
 681 #endif
 682                 {
 683                     case GO_TO_FILEBROWSER: reload_dir = true; break;
 684                     case GO_TO_WPS:
 685                         return GO_TO_WPS;
 686 #if CONFIG_TUNER
 687                     case GO_TO_FM:
 688                         return GO_TO_FM;
 689 #endif
 690                     case GO_TO_ROOT: exit_func = true; break;
 691                     default: break;
 692                 }
 693                 restore = true;
 694                 break;
 695
 696             case ACTION_STD_CANCEL:
 697                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 698                     exit_func = true;
 699                     break;
 700                 }
 701                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 702                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 703                 {
 704 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 705                     if (oldbutton == ACTION_TREE_PGLEFT)
 706                         break;
 707                     else
 708 #endif
 709                         return GO_TO_ROOT;
 710                 }
 711
 712 #ifdef HAVE_TAGCACHE
 713                 if (id3db)
 714                     tagtree_exit(&tc);
 715                 else
 716 #endif
 717                     if (ft_exit(&tc) == 3)
 718                         exit_func = true;
 719
 720                 restore = true;
 721                 break;
 722
 723             case ACTION_TREE_STOP:
 724                 if (list_stop_handler())
 725                     restore = true;
 726                 break;
 727
 728             case ACTION_STD_MENU:
 729                 return GO_TO_ROOT;
 730                 break;
 731
 732 #ifdef HAVE_RECORDING
 733             case ACTION_STD_REC:
 734                 return GO_TO_RECSCREEN;
 735 #endif
 736
 737             case ACTION_TREE_WPS:
 738                 return GO_TO_PREVIOUS_MUSIC;
 739                 break;
 740 #ifdef HAVE_QUICKSCREEN
 741             case ACTION_STD_QUICKSCREEN:
 742                 /* don't enter f2 from plugin browser */
 743                 if (*tc.dirfilter < NUM_FILTER_MODES)
 744                 {
 745                     if (quick_screen_quick(button))
 746                         reload_dir = true;
 747                     restore = true;
 748                 }
 749                 break;
 750 #endif
 751 #ifdef BUTTON_F3
 752             case ACTION_F3:
 753                 /* don't enter f3 from plugin browser */
 754                 if (*tc.dirfilter < NUM_FILTER_MODES)
 755                 {
 756                     if (quick_screen_f3(ACTION_F3))
 757                         reload_dir = true;
 758                     restore = true;
 759                 }
 760                 break;
 761 #endif
 762
 763 #ifdef HAVE_HOTKEY
 764             case ACTION_TREE_HOTKEY:
 765                 if (!global_settings.hotkey_tree)
 766                     break;
 767                 /* fall through */
 768 #endif
 769             case ACTION_STD_CONTEXT:
 770             {
 771                 bool hotkey = button == ACTION_TREE_HOTKEY;
 772                 int onplay_result;
 773                 int attr = 0;
 774
 775                 if (tc.browse->flags & BROWSE_NO_CONTEXT_MENU)
 776                     break;
 777
 778                 if(!numentries)
 779                     onplay_result = onplay(NULL, 0, curr_context, hotkey);
 780                 else {
 781 #ifdef HAVE_TAGCACHE
 782                     if (id3db)
 783                     {
 784                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 785                         {
 786                             attr = FILE_ATTR_AUDIO;
 787                             tagtree_get_filename(&tc, buf, sizeof(buf));
 788                         }
 789                         else
 790                             attr = ATTR_DIRECTORY;
 791                     }
 792                     else
 793 #endif
 794                     {
 795                         attr = entries[tc.selected_item].attr;
 796
 797                         if (currdir[1]) /* Not in / */
 798                             snprintf(buf, sizeof buf, "%s/%s",
 799                                      currdir,
 800                                      entries[tc.selected_item].name);
 801                         else /* In / */
 802                             snprintf(buf, sizeof buf, "/%s",
 803                                      entries[tc.selected_item].name);
 804                     }
 805                     onplay_result = onplay(buf, attr, curr_context, hotkey);
 806                 }
 807                 switch (onplay_result)
 808                 {
 809                     case ONPLAY_MAINMENU:
 810                         return GO_TO_ROOT;
 811
 812                     case ONPLAY_OK:
 813                         restore = true;
 814                         break;
 815
 816                     case ONPLAY_RELOAD_DIR:
 817                         reload_dir = true;
 818                         break;
 819
 820                     case ONPLAY_START_PLAY:
 821                         return GO_TO_WPS;
 822                         break;
 823                 }
 824                 break;
 825             }
 826
 827 #ifdef HAVE_HOTSWAP
 828             case SYS_FS_CHANGED:
 829 #ifdef HAVE_TAGCACHE
 830                 if (!id3db)
 831 #endif
 832                     reload_dir = true;
 833                 /* The 'dir no longer valid' situation will be caught later
 834                  * by checking the showdir() result. */
 835                 break;
 836 #endif
 837
 838             default:
 839                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 840                 {
 841                     if(*tc.dirfilter > NUM_FILTER_MODES)
 842                         /* leave sub-browsers after usb, doing otherwise
 843                            might be confusing to the user */
 844                         exit_func = true;
 845                     else
 846                         reload_dir = true;
 847                 }
 848                 break;
 849         }
 850         if (start_wps)
 851             return GO_TO_WPS;
 852         if (button && !IS_SYSEVENT(button))
 853         {
 854             storage_spin();
 855         }
 856
 857
 858     check_rescan:
 859         /* do we need to rescan dir? */
 860         if (reload_dir || reload_root ||
 861             lastfilter != *tc.dirfilter ||
 862             lastsortcase != global_settings.sort_case)
 863         {
 864             if (reload_root) {
 865                 strcpy(currdir, "/");
 866                 tc.dirlevel = 0;
 867 #ifdef HAVE_TAGCACHE
 868                 tc.currtable = 0;
 869                 tc.currextra = 0;
 870                 lasttable = -1;
 871                 lastextra = -1;
 872 #endif
 873                 reload_root = false;
 874             }
 875
 876             if (!reload_dir)
 877             {
 878                 gui_synclist_select_item(&tree_lists, 0);
 879                 gui_synclist_draw(&tree_lists);
 880                 tc.selected_item = 0;
 881                 lastdir[0] = 0;
 882             }
 883
 884             lastfilter = *tc.dirfilter;
 885             lastsortcase = global_settings.sort_case;
 886             restore = true;
 887         }
 888
 889         if (exit_func)
 890             return GO_TO_PREVIOUS;
 891
 892         if (restore || reload_dir) {
 893             /* restore display */
 894             numentries = update_dir();
 895             reload_dir = false;
 896             if (currdir[1] && (numentries < 0))
 897             {   /* not in root and reload failed */
 898                 reload_root = true; /* try root */
 899                 goto check_rescan;
 900             }
 901         }
 902     }
 903     return true;
 904 }
 905
 906 bool create_playlist(void)
 907 {
 908     char filename[MAX_PATH];
 909
 910     if (tc.currdir[1])
 911         snprintf(filename, sizeof filename, "%s.m3u8", tc.currdir);
 912     else
 913         snprintf(filename, sizeof filename, "%s/all.m3u8",
 914                 catalog_get_directory());
 915
 916
 917     if (kbd_input(filename, MAX_PATH))
 918         return false;
 919     splashf(0, "%s %s", str(LANG_CREATING), filename);
 920
 921     trigger_cpu_boost();
 922     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 923     cancel_cpu_boost();
 924
 925     return true;
 926 }
 927
 928 void browse_context_init(struct browse_context *browse,
 929                          int dirfilter, unsigned flags,
 930                          char *title, enum themable_icons icon,
 931                          const char *root, const char *selected)
 932 {
 933     browse->dirfilter = dirfilter;
 934     browse->flags = flags;
 935     browse->callback_show_item = NULL;
 936     browse->title = title;
 937     browse->icon = icon;
 938     browse->root = root;
 939     browse->selected = selected;
 940     browse->buf = NULL;
 941     browse->bufsize = 0;
 942 }
 943
 944 #define NUM_TC_BACKUP   3
 945 static struct tree_context backups[NUM_TC_BACKUP];
 946 /* do not make backup if it is not recursive call */
 947 static int backup_count = -1;
 948 int rockbox_browse(struct browse_context *browse)
 949 {
 950     static char current[MAX_PATH];
 951     int ret_val = 0;
 952     int dirfilter = browse->dirfilter;
 953
 954     if (backup_count >= NUM_TC_BACKUP)
 955         return GO_TO_PREVIOUS;
 956     if (backup_count >= 0)
 957         backups[backup_count] = tc;
 958     backup_count++;
 959
 960     tc.dirfilter = &dirfilter;
 961     tc.sort_dir = global_settings.sort_dir;
 962
 963     reload_dir = true;
 964     if (*tc.dirfilter >= NUM_FILTER_MODES)
 965     {
 966         int last_context;
 967
 968         tc.browse = browse;
 969         tc.selected_item = 0;
 970         tc.dirlevel = 0;
 971         strlcpy(tc.currdir, browse->root, sizeof(tc.currdir));
 972         start_wps = false;
 973         last_context = curr_context;
 974
 975         if (browse->selected)
 976         {
 977             snprintf(current, sizeof(current), "%s/%s",
 978                 browse->root, browse->selected);
 979             set_current_file(current);
 980             /* set_current_file changes dirlevel, change it back */
 981             tc.dirlevel = 0;
 982         }
 983
 984         ret_val = dirbrowse();
 985         curr_context = last_context;
 986     }
 987     else
 988     {
 989         if (dirfilter != SHOW_ID3DB)
 990             tc.dirfilter = &global_settings.dirfilter;
 991         tc.browse = browse;
 992         strcpy(current, browse->root);
 993         set_current_file(current);
 994         ret_val = dirbrowse();
 995     }
 996     backup_count--;
 997     if (backup_count >= 0)
 998         tc = backups[backup_count];
 999     return ret_val;
1000 }
1001
1002 void tree_mem_init(void)
1003 {
1004     /* initialize tree context struct */
1005     int handle;
1006     struct tree_cache* cache = &tc.cache;
1007     memset(&tc, 0, sizeof(tc));
1008     tc.dirfilter = &global_settings.dirfilter;
1009     tc.sort_dir = global_settings.sort_dir;
1010
1011     cache->name_buffer_size = AVERAGE_FILENAME_LENGTH *
1012         global_settings.max_files_in_dir;
1013     handle = core_alloc("tree names", cache->name_buffer_size);
1014     cache->name_buffer = core_get_data(handle);
1015
1016     cache->max_entries = global_settings.max_files_in_dir;
1017     handle = core_alloc("tree entries", cache->max_entries*(sizeof(struct entry)));
1018     cache->entries = core_get_data(handle);
1019     tree_get_filetypes(&filetypes, &filetypes_count);
1020 }
1021
1022 bool bookmark_play(char *resume_file, int index, int offset, int seed,
1023                    char *filename)
1024 {
1025     int i;
1026     char* suffix = strrchr(resume_file, '.');
1027     bool started = false;
1028
1029     if (suffix != NULL &&
1030         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1031     {
1032         /* Playlist playback */
1033         char* slash;
1034         /* check that the file exists */
1035         if(!file_exists(resume_file))
1036             return false;
1037
1038         slash = strrchr(resume_file,'/');
1039         if (slash)
1040         {
1041             char* cp;
1042             *slash=0;
1043
1044             cp=resume_file;
1045             if (!cp[0])
1046                 cp="/";
1047
1048             if (playlist_create(cp, slash+1) != -1)
1049             {
1050                 if (global_settings.playlist_shuffle)
1051                     playlist_shuffle(seed, -1);
1052                 playlist_start(index,offset);
1053                 started = true;
1054             }
1055             *slash='/';
1056         }
1057     }
1058     else
1059     {
1060         /* Directory playback */
1061         lastdir[0]='\0';
1062         if (playlist_create(resume_file, NULL) != -1)
1063         {
1064             char filename_buf[MAX_PATH + 1];
1065             const char* peek_filename;
1066             resume_directory(resume_file);
1067             if (global_settings.playlist_shuffle)
1068                 playlist_shuffle(seed, -1);
1069
1070             /* Check if the file is at the same spot in the directory,
1071                else search for it */
1072             peek_filename = playlist_peek(index, filename_buf,
1073                 sizeof(filename_buf));
1074
1075             if (peek_filename == NULL)
1076             {
1077                 /* playlist has shrunk, search from the top */
1078                 index = 0;
1079                 peek_filename = playlist_peek(index, filename_buf,
1080                     sizeof(filename_buf));
1081                 if (peek_filename == NULL)
1082                     return false;
1083             }
1084
1085             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1086             {
1087                 for ( i=0; i < playlist_amount(); i++ )
1088                 {
1089                     peek_filename = playlist_peek(i, filename_buf,
1090                         sizeof(filename_buf));
1091
1092                     if (peek_filename == NULL)
1093                         return false;
1094
1095                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1096                         break;
1097                 }
1098                 if (i < playlist_amount())
1099                     index = i;
1100                 else
1101                     return false;
1102             }
1103             playlist_start(index,offset);
1104             started = true;
1105         }
1106     }
1107
1108     if (started)
1109         start_wps = true;
1110     return started;
1111 }
1112
1113 static void say_filetype(int attr)
1114 {
1115     /* try to find a voice ID for the extension, if known */
1116     int j;
1117     attr &= FILE_ATTR_MASK; /* file type */
1118     for (j=0; j<filetypes_count; j++)
1119         if (attr == filetypes[j].tree_attr)
1120         {
1121             talk_id(filetypes[j].voiceclip, true);
1122             return;
1123         }
1124 }
1125
1126 static int ft_play_dirname(char* name)
1127 {
1128 #if CONFIG_CODEC != SWCODEC
1129     if (audio_status() & AUDIO_STATUS_PLAY)
1130         return 0;
1131 #endif
1132
1133     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1134                  NULL, false))
1135     {
1136         if(global_settings.talk_filetype)
1137             talk_id(VOICE_DIR, true);
1138         return 1;
1139     }
1140     else
1141         return -1;
1142 }
1143
1144 static void ft_play_filename(char *dir, char *file)
1145 {
1146 #if CONFIG_CODEC != SWCODEC
1147     if (audio_status() & AUDIO_STATUS_PLAY)
1148         return;
1149 #endif
1150
1151     if (strlen(file) >= strlen(file_thumbnail_ext)
1152         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1153                       file_thumbnail_ext))
1154         /* file has no .talk extension */
1155         talk_file(dir, NULL, file, file_thumbnail_ext,
1156                   NULL, false);
1157     else
1158         /* it already is a .talk file, play this directly, but prefix it. */
1159         talk_file(dir, NULL, file, NULL,
1160                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1161 }
1162
1163 /* These two functions are called by the USB and shutdown handlers */
1164 void tree_flush(void)
1165 {
1166 #ifdef HAVE_TAGCACHE
1167     tagcache_shutdown();
1168 #endif
1169
1170 #ifdef HAVE_TC_RAMCACHE
1171     tagcache_unload_ramcache();
1172 #endif
1173
1174 #ifdef HAVE_DIRCACHE
1175     {
1176         int old_val = global_status.dircache_size;
1177         if (global_settings.dircache)
1178         {
1179             if (!dircache_is_initializing())
1180                 global_status.dircache_size = dircache_get_cache_size();
1181 # ifdef HAVE_EEPROM_SETTINGS
1182             if (firmware_settings.initialized)
1183                 dircache_save();
1184 # endif
1185             dircache_disable();
1186         }
1187         else
1188         {
1189             global_status.dircache_size = 0;
1190         }
1191         if (old_val != global_status.dircache_size)
1192             status_save();
1193     }
1194 #endif
1195 }
1196
1197 void tree_restore(void)
1198 {
1199 #ifdef HAVE_EEPROM_SETTINGS
1200     firmware_settings.disk_clean = false;
1201 #endif
1202
1203 #ifdef HAVE_TC_RAMCACHE
1204     remove(TAGCACHE_STATEFILE);
1205 #endif
1206
1207 #ifdef HAVE_DIRCACHE
1208     remove(DIRCACHE_FILE);
1209     if (global_settings.dircache)
1210     {
1211         /* Print "Scanning disk..." to the display. */
1212         splash(0, str(LANG_SCANNING_DISK));
1213
1214         dircache_build(global_status.dircache_size);
1215     }
1216 #endif
1217 #ifdef HAVE_TAGCACHE
1218     tagcache_start_scan();
1219 #endif
1220 }