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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <stdbool.h>
  23
  24 #include "applimits.h"
  25 #include "dir.h"
  26 #include "file.h"
  27 #include "lcd.h"
  28 #include "font.h"
  29 #include "backlight.h"
  30 #include "button.h"
  31 #include "kernel.h"
  32 #include "usb.h"
  33 #include "tree.h"
  34 #include "sprintf.h"
  35 #include "audio.h"
  36 #include "playlist.h"
  37 #include "menu.h"
  38 #include "gwps.h"
  39 #include "settings.h"
  40 #include "status.h"
  41 #include "debug.h"
  42 #include "ata.h"
  43 #include "rolo.h"
  44 #include "icons.h"
  45 #include "lang.h"
  46 #include "language.h"
  47 #include "screens.h"
  48 #include "keyboard.h"
  49 #include "bookmark.h"
  50 #include "onplay.h"
  51 #include "buffer.h"
  52 #include "plugin.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
  73 /* gui api */
  74 #include "list.h"
  75 #include "statusbar.h"
  76 #include "splash.h"
  77 #include "buttonbar.h"
  78 #include "textarea.h"
  79 #include "action.h"
  80
  81 #include "root_menu.h"
  82
  83 #if (LCD_DEPTH > 1) || (defined(HAVE_LCD_REMOTE) && (LCD_REMOTE_DEPTH > 1))
  84 #include "backdrop.h"
  85 #endif
  86
  87 static const struct filetype *filetypes;
  88 static int filetypes_count;
  89
  90 struct gui_synclist tree_lists;
  91
  92 /* I put it here because other files doesn't use it yet,
  93  * but should be elsewhere since it will be used mostly everywhere */
  94 #ifdef HAS_BUTTONBAR
  95 struct gui_buttonbar tree_buttonbar;
  96 #endif
  97 static struct tree_context tc;
  98
  99 bool boot_changed = false;
 100
 101 char lastfile[MAX_PATH];
 102 static char lastdir[MAX_PATH];
 103 #ifdef HAVE_TAGCACHE
 104 static int lasttable, lastextra, lastfirstpos;
 105 #endif
 106 static int max_files = 0;
 107
 108 static bool reload_dir = false;
 109
 110 static bool start_wps = false;
 111 static int curr_context = false;/* id3db or tree*/
 112
 113 static int dirbrowse(void);
 114 static int ft_play_dirname(char* name);
 115 static void ft_play_filename(char *dir, char *file);
 116 static void say_filetype(int attr);
 117
 118 /*
 119  * removes the extension of filename (if it doesn't start with a .)
 120  * puts the result in buffer
 121  */
 122 static char * strip_extension(char * filename, char * buffer)
 123 {
 124     int dotpos;
 125     char * dot=strrchr(filename, '.');
 126     if(dot!=0 && filename[0]!='.')
 127     {
 128         dotpos = dot-filename;
 129         strncpy(buffer, filename, dotpos);
 130         buffer[dotpos]='\0';
 131         return(buffer);
 132     }
 133     else
 134         return(filename);
 135 }
 136
 137 static char * tree_get_filename(int selected_item, void * data, char *buffer)
 138 {
 139     struct tree_context * local_tc=(struct tree_context *)data;
 140     char *name;
 141     int attr=0;
 142     bool stripit = false;
 143 #ifdef HAVE_TAGCACHE
 144     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 145
 146     if (id3db)
 147     {
 148         return tagtree_get_entry(&tc, selected_item)->name;
 149     }
 150     else
 151 #endif
 152     {
 153         struct entry* dc = local_tc->dircache;
 154         struct entry* e = &dc[selected_item];
 155         name = e->name;
 156         attr = e->attr;
 157     }
 158
 159     if(!(attr & ATTR_DIRECTORY))
 160     {
 161         switch(global_settings.show_filename_ext)
 162         {
 163             case 0:
 164                 /* show file extension: off */
 165                 stripit = true;
 166                 break;
 167             case 1:
 168                 /* show file extension: on */
 169                 break;
 170             case 2:
 171                 /* show file extension: only unknown types */
 172                 stripit = filetype_supported(attr);
 173                 break;
 174             case 3:
 175             default:
 176                 /* show file extension: only when viewing all */
 177                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 178                           (*(local_tc->dirfilter) != SHOW_ALL);
 179                 break;
 180         }
 181     }
 182
 183     if(stripit)
 184     {
 185         return(strip_extension(name, buffer));
 186     }
 187     return(name);
 188 }
 189
 190 #ifdef HAVE_LCD_COLOR
 191 static int tree_get_filecolor(int selected_item, void * data)
 192 {
 193     if (*tc.dirfilter == SHOW_ID3DB)
 194         return -1;
 195     struct tree_context * local_tc=(struct tree_context *)data;
 196     struct entry* dc = local_tc->dircache;
 197     struct entry* e = &dc[selected_item];
 198     return filetype_get_color(e->name, e->attr);
 199 }
 200 #endif
 201
 202 static int tree_get_fileicon(int selected_item, void * data)
 203 {
 204     struct tree_context * local_tc=(struct tree_context *)data;
 205 #ifdef HAVE_TAGCACHE
 206     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 207     if (id3db) {
 208         return tagtree_get_icon(&tc);
 209     }
 210     else
 211 #endif
 212         {
 213         struct entry* dc = local_tc->dircache;
 214         struct entry* e = &dc[selected_item];
 215         return filetype_get_icon(e->attr);
 216     }
 217 }
 218
 219 static int tree_voice_cb(int selected_item, void * data)
 220 {
 221     struct tree_context * local_tc=(struct tree_context *)data;
 222     char *name;
 223     int attr=0;
 224 #ifdef HAVE_TAGCACHE
 225     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 226
 227     if (id3db)
 228     {
 229         attr = tagtree_get_attr(local_tc);
 230         name = tagtree_get_entry(local_tc, selected_item)->name;
 231     }
 232     else
 233 #endif
 234     {
 235         struct entry* dc = local_tc->dircache;
 236         struct entry* e = &dc[selected_item];
 237         name = e->name;
 238         attr = e->attr;
 239     }
 240     bool is_dir = (attr & ATTR_DIRECTORY);
 241     bool did_clip = false;
 242     /* First the .talk clip case */
 243     if(is_dir)
 244     {
 245         if(global_settings.talk_dir_clip)
 246         {
 247             DEBUGF("Playing directory thumbnail: %s", local_tc->currdir);
 248             did_clip = true;
 249             if(ft_play_dirname(name) <0)
 250                 /* failed, not existing */
 251                 did_clip = false;
 252         }
 253     } else { /* it's a file */
 254         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 255         {
 256             did_clip = true;
 257             DEBUGF("Playing file thumbnail: %s/%s%s\n",
 258                    local_tc->currdir, name, file_thumbnail_ext);
 259             ft_play_filename(local_tc->currdir, name);
 260         }
 261     }
 262     if(!did_clip)
 263     {
 264         /* say the number or spell if required or as a fallback */
 265         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 266         {
 267         case 1: /* as numbers */
 268             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 269             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 270                         true);
 271             if(!is_dir)
 272                 say_filetype(attr);
 273             break;
 274         case 2: /* spelled */
 275             talk_spell(name, false);
 276             break;
 277         }
 278     }
 279     return 0;
 280 }
 281
 282 bool check_rockboxdir(void)
 283 {
 284     DIR *dir = opendir(ROCKBOX_DIR);
 285     if(!dir)
 286     {   /* No need to localise this message.
 287            If .rockbox is missing, it wouldn't work anyway */
 288         int i;
 289         FOR_NB_SCREENS(i)
 290             screens[i].clear_display();
 291         gui_syncsplash(HZ*2, "No .rockbox directory");
 292         FOR_NB_SCREENS(i)
 293             screens[i].clear_display();
 294         gui_syncsplash(HZ*2, "Installation incomplete");
 295         return false;
 296     }
 297     closedir(dir);
 298     return true;
 299 }
 300
 301 /* do this really late in the init sequence */
 302 void tree_gui_init(void)
 303 {
 304     gui_sync_wps_screen_init();
 305
 306     check_rockboxdir();
 307
 308     strcpy(tc.currdir, "/");
 309
 310 #ifdef HAVE_LCD_CHARCELLS
 311     int i;
 312     FOR_NB_SCREENS(i)
 313         screens[i].double_height(false);
 314 #endif
 315 #ifdef HAS_BUTTONBAR
 316     gui_buttonbar_init(&tree_buttonbar);
 317     /* since archos only have one screen, no need to create more than that */
 318     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 319 #endif
 320     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1);
 321     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 322     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 323 #ifdef HAVE_LCD_COLOR
 324     gui_list_set_color_callback(&tree_lists.gui_list[SCREEN_MAIN],
 325                                 &tree_get_filecolor);
 326 #endif
 327 }
 328
 329
 330
 331 struct tree_context* tree_get_context(void)
 332 {
 333     return &tc;
 334 }
 335
 336 /*
 337  * Returns the position of a given file in the current directory
 338  * returns -1 if not found
 339  */
 340 static int tree_get_file_position(char * filename)
 341 {
 342     int i;
 343
 344     /* use lastfile to determine the selected item (default=0) */
 345     for (i=0; i < tc.filesindir; i++)
 346     {
 347         struct entry* dc = tc.dircache;
 348         struct entry* e = &dc[i];
 349         if (!strcasecmp(e->name, filename))
 350             return(i);
 351     }
 352     return(-1);/* no file can match, returns undefined */
 353 }
 354
 355 /*
 356  * Called when a new dir is loaded (for example when returning from other apps ...)
 357  * also completely redraws the tree
 358  */
 359 static int update_dir(void)
 360 {
 361   bool changed = false;
 362 #ifdef HAVE_TAGCACHE
 363     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 364     /* Checks for changes */
 365     if (id3db) {
 366         if (tc.currtable != lasttable ||
 367             tc.currextra != lastextra ||
 368             tc.firstpos  != lastfirstpos ||
 369             reload_dir)
 370         {
 371             if (tagtree_load(&tc) < 0)
 372                 return -1;
 373
 374             lasttable = tc.currtable;
 375             lastextra = tc.currextra;
 376             lastfirstpos = tc.firstpos;
 377             changed = true;
 378         }
 379     }
 380     else
 381 #endif
 382         {
 383         /* if the tc.currdir has been changed, reload it ...*/
 384         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir) {
 385
 386             if (ft_load(&tc, NULL) < 0)
 387                 return -1;
 388             strcpy(lastdir, tc.currdir);
 389             changed = true;
 390         }
 391     }
 392     /* if selected item is undefined */
 393     if (tc.selected_item == -1)
 394     {
 395         /* use lastfile to determine the selected item */
 396         tc.selected_item = tree_get_file_position(lastfile);
 397
 398         /* If the file doesn't exists, select the first one (default) */
 399         if(tc.selected_item < 0)
 400             tc.selected_item = 0;
 401         changed = true;
 402     }
 403     if (changed)
 404     {
 405         if(
 406 #ifdef HAVE_TAGCACHE
 407         !id3db &&
 408 #endif
 409         (tc.dirfull ||
 410                       tc.filesindir == global_settings.max_files_in_dir) )
 411         {
 412             gui_syncsplash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 413         }
 414     }
 415 #ifdef HAVE_TAGCACHE
 416     if (id3db)
 417     {
 418         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 419             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 420         {
 421             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 422                 filetype_get_icon(ATTR_DIRECTORY));
 423         }
 424         else
 425         {
 426             /* Must clear the title as the list is reused */
 427             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 428         }
 429     }
 430     else
 431 #endif
 432     {
 433         if (global_settings.show_path_in_browser &&
 434             *(tc.dirfilter) == SHOW_PLUGINS)
 435         {
 436             char *title;
 437             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 438                 title = str(LANG_PLUGIN_GAMES);
 439             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 440                 title = str(LANG_PLUGIN_APPS);
 441             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 442                 title = str(LANG_PLUGIN_DEMOS);
 443             else title = str(LANG_PLUGINS);
 444             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 445         }
 446         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 447         {
 448             gui_synclist_set_title(&tree_lists, tc.currdir,
 449                 filetype_get_icon(ATTR_DIRECTORY));
 450         }
 451         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 452         {
 453             char *title = strrchr(tc.currdir, '/') + 1;
 454             if (*title == '\0')
 455             {
 456                 /* Display "Files" for the root dir */
 457                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 458                     filetype_get_icon(ATTR_DIRECTORY));
 459             }
 460             else
 461                 gui_synclist_set_title(&tree_lists, title,
 462                     filetype_get_icon(ATTR_DIRECTORY));
 463         }
 464         else
 465         {
 466             /* Must clear the title as the list is reused */
 467             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 468         }
 469     }
 470
 471     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 472     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 473     if( tc.selected_item >= tc.filesindir)
 474         tc.selected_item=tc.filesindir-1;
 475
 476     gui_synclist_select_item(&tree_lists, tc.selected_item);
 477 #ifdef HAS_BUTTONBAR
 478     if (global_settings.buttonbar) {
 479         if (*tc.dirfilter < NUM_FILTER_MODES)
 480             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 481                           str(LANG_SYSFONT_DIRBROWSE_F2),
 482                           str(LANG_SYSFONT_DIRBROWSE_F3));
 483         else
 484             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 485         gui_buttonbar_draw(&tree_buttonbar);
 486     }
 487 #endif
 488     gui_synclist_draw(&tree_lists);
 489     gui_synclist_speak_item(&tree_lists);
 490     gui_syncstatusbar_draw(&statusbars, true);
 491     return tc.filesindir;
 492 }
 493
 494 /* load tracks from specified directory to resume play */
 495 void resume_directory(const char *dir)
 496 {
 497 #ifdef HAVE_TAGCACHE
 498     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 499 #endif
 500
 501     if (ft_load(&tc, dir) < 0)
 502         return;
 503     lastdir[0] = 0;
 504
 505     ft_build_playlist(&tc, 0);
 506
 507 #ifdef HAVE_TAGCACHE
 508     if (id3db)
 509         tagtree_load(&tc);
 510 #endif
 511 }
 512
 513 /* Returns the current working directory and also writes cwd to buf if
 514    non-NULL.  In case of error, returns NULL. */
 515 char *getcwd(char *buf, int size)
 516 {
 517     if (!buf)
 518         return tc.currdir;
 519     else if (size > 0)
 520     {
 521         strncpy(buf, tc.currdir, size);
 522         return buf;
 523     }
 524     else
 525         return NULL;
 526 }
 527
 528 /* Force a reload of the directory next time directory browser is called */
 529 void reload_directory(void)
 530 {
 531     reload_dir = true;
 532 }
 533
 534 void get_current_file(char* buffer, int buffer_len)
 535 {
 536 #ifdef HAVE_TAGCACHE
 537     /* in ID3DB mode it is a bad idea to call this function */
 538     /* (only happens with `follow playlist') */
 539     if( *tc.dirfilter == SHOW_ID3DB )
 540         return;
 541 #endif
 542
 543     struct entry* dc = tc.dircache;
 544     struct entry* e = &dc[tc.selected_item];
 545     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 546                                           tc.dirlength ? e->name : "");
 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(char *path)
 558 {
 559     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         *name = 0;
 575         strcpy(tc.currdir, path);
 576         *name = '/';
 577         name++;
 578     }
 579     else
 580     {
 581         strcpy(tc.currdir, "/");
 582         name = path+1;
 583     }
 584
 585     strcpy(lastfile, name);
 586
 587
 588     /* If we changed dir we must recalculate the dirlevel
 589        and adjust the selected history properly */
 590     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 591     {
 592         tc.dirlevel =  0;
 593         tc.selected_item_history[tc.dirlevel] = -1;
 594
 595         /* use '/' to calculate dirlevel */
 596         for (i = 1; path[i] != '\0'; i++)
 597         {
 598             if (path[i] == '/')
 599             {
 600                 tc.dirlevel++;
 601                 tc.selected_item_history[tc.dirlevel] = -1;
 602             }
 603         }
 604     }
 605     if (ft_load(&tc, NULL) >= 0)
 606     {
 607         tc.selected_item = tree_get_file_position(lastfile);
 608     }
 609 }
 610
 611
 612 /* main loop, handles key events */
 613 static int dirbrowse()
 614 {
 615     int numentries=0;
 616     char buf[MAX_PATH];
 617     unsigned button, oldbutton;
 618     bool reload_root = false;
 619     int lastfilter = *tc.dirfilter;
 620     bool lastsortcase = global_settings.sort_case;
 621     bool exit_func = false;
 622
 623     char* currdir = tc.currdir; /* just a shortcut */
 624 #ifdef HAVE_TAGCACHE
 625     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 626
 627     if (id3db)
 628         curr_context=CONTEXT_ID3DB;
 629     else
 630 #endif
 631         curr_context=CONTEXT_TREE;
 632     if (tc.selected_item < 0)
 633         tc.selected_item = 0;
 634 #ifdef HAVE_TAGCACHE
 635     tc.firstpos=0;
 636     lasttable = -1;
 637     lastextra = -1;
 638     lastfirstpos = 0;
 639 #endif
 640
 641     start_wps = false;
 642     numentries = update_dir();
 643     reload_dir = false;
 644     if (numentries == -1)
 645         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 646
 647     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 648     {
 649         gui_syncsplash(HZ*2, ID2P(LANG_NO_FILES));
 650         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 651     }
 652
 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             char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 661             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(BUTTON_F3))
 754                         reload_dir = true;
 755                     restore = true;
 756                 }
 757                 break;
 758 #endif
 759
 760             case ACTION_STD_CONTEXT:
 761             {
 762                 int onplay_result;
 763                 int attr = 0;
 764
 765                 if(!numentries)
 766                     onplay_result = onplay(NULL, 0, curr_context);
 767                 else {
 768 #ifdef HAVE_TAGCACHE
 769                     if (id3db)
 770                     {
 771                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 772                         {
 773                             attr = FILE_ATTR_AUDIO;
 774                             tagtree_get_filename(&tc, buf, sizeof(buf));
 775                         }
 776                         else
 777                             attr = ATTR_DIRECTORY;
 778                     }
 779                     else
 780 #endif
 781                     {
 782                         attr = dircache[tc.selected_item].attr;
 783
 784                         if (currdir[1]) /* Not in / */
 785                             snprintf(buf, sizeof buf, "%s/%s",
 786                                      currdir,
 787                                      dircache[tc.selected_item].name);
 788                         else /* In / */
 789                             snprintf(buf, sizeof buf, "/%s",
 790                                      dircache[tc.selected_item].name);
 791                     }
 792                     onplay_result = onplay(buf, attr, curr_context);
 793                 }
 794                 switch (onplay_result)
 795                 {
 796                     case ONPLAY_MAINMENU:
 797                         return GO_TO_ROOT;
 798
 799                     case ONPLAY_OK:
 800                         restore = true;
 801                         break;
 802
 803                     case ONPLAY_RELOAD_DIR:
 804                         reload_dir = true;
 805                         break;
 806
 807                     case ONPLAY_START_PLAY:
 808                         return GO_TO_WPS;
 809                         break;
 810                 }
 811                 break;
 812             }
 813
 814             case ACTION_NONE:
 815                 gui_syncstatusbar_draw(&statusbars, false);
 816                 break;
 817
 818 #ifdef HAVE_HOTSWAP
 819             case SYS_FS_CHANGED:
 820 #ifdef HAVE_TAGCACHE
 821                 if (!id3db)
 822 #endif
 823                     reload_dir = true;
 824                 /* The 'dir no longer valid' situation will be caught later
 825                  * by checking the showdir() result. */
 826                 break;
 827 #endif
 828
 829             default:
 830                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 831                 {
 832                     if(*tc.dirfilter > NUM_FILTER_MODES)
 833                         /* leave sub-browsers after usb, doing otherwise
 834                            might be confusing to the user */
 835                         exit_func = true;
 836                     else
 837                         reload_dir = true;
 838                 }
 839                 break;
 840         }
 841         if (start_wps)
 842             return GO_TO_WPS;
 843         if ( button )
 844         {
 845             ata_spin();
 846         }
 847
 848
 849     check_rescan:
 850         /* do we need to rescan dir? */
 851         if (reload_dir || reload_root ||
 852             lastfilter != *tc.dirfilter ||
 853             lastsortcase != global_settings.sort_case)
 854         {
 855             if ( reload_root ) {
 856                 strcpy(currdir, "/");
 857                 tc.dirlevel = 0;
 858 #ifdef HAVE_TAGCACHE
 859                 tc.currtable = 0;
 860                 tc.currextra = 0;
 861                 lasttable = -1;
 862                 lastextra = -1;
 863 #endif
 864                 reload_root = false;
 865             }
 866
 867             if (! reload_dir )
 868             {
 869                 gui_synclist_select_item(&tree_lists, 0);
 870                 gui_synclist_draw(&tree_lists);
 871                 tc.selected_item = 0;
 872                 lastdir[0] = 0;
 873             }
 874
 875             lastfilter = *tc.dirfilter;
 876             lastsortcase = global_settings.sort_case;
 877             restore = true;
 878         }
 879
 880         if (exit_func)
 881             return GO_TO_PREVIOUS;
 882
 883         if (restore || reload_dir) {
 884             /* restore display */
 885             numentries = update_dir();
 886             reload_dir = false;
 887             if (currdir[1] && (numentries < 0))
 888             {   /* not in root and reload failed */
 889                 reload_root = true; /* try root */
 890                 goto check_rescan;
 891             }
 892         }
 893     }
 894     return true;
 895 }
 896
 897 static int plsize = 0;
 898 static long pltick;
 899 static bool add_dir(char* dirname, int len, int fd)
 900 {
 901     bool abort = false;
 902     DIR* dir;
 903
 904     /* check for user abort */
 905     if (action_userabort(TIMEOUT_NOBLOCK))
 906         return true;
 907
 908     dir = opendir(dirname);
 909     if(!dir)
 910         return true;
 911
 912     while (true) {
 913         struct dirent *entry;
 914
 915         entry = readdir(dir);
 916         if (!entry)
 917             break;
 918         if (entry->attribute & ATTR_DIRECTORY) {
 919             int dirlen = strlen(dirname);
 920             bool result;
 921
 922             if (!strcmp((char *)entry->d_name, ".") ||
 923                 !strcmp((char *)entry->d_name, ".."))
 924                 continue;
 925
 926             if (dirname[1])
 927                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
 928             else
 929                 snprintf(dirname, len, "/%s", entry->d_name);
 930
 931             result = add_dir(dirname, len, fd);
 932             dirname[dirlen] = '\0';
 933             if (result) {
 934                 abort = true;
 935                 break;
 936             }
 937         }
 938         else {
 939             int x = strlen((char *)entry->d_name);
 940             int i;
 941             char *cp = strrchr((char *)entry->d_name,'.');
 942
 943             if (cp) {
 944                 cp++;
 945
 946                 /* add all supported audio files to playlists */
 947                 for (i=0; i < filetypes_count; i++) {
 948                     if (filetypes[i].tree_attr == FILE_ATTR_AUDIO) {
 949                         if (!strcasecmp(cp, filetypes[i].extension)) {
 950                             char buf[8];
 951                             int i;
 952                             write(fd, dirname, strlen(dirname));
 953                             write(fd, "/", 1);
 954                             write(fd, entry->d_name, x);
 955                             write(fd, "\n", 1);
 956
 957                             plsize++;
 958                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
 959                                 pltick = current_tick;
 960
 961                                 snprintf(buf, sizeof buf, "%d", plsize);
 962 #ifdef HAVE_LCD_BITMAP
 963                                 FOR_NB_SCREENS(i)
 964                                 {
 965                                     screens[i].puts(0, 4, (unsigned char *)buf);
 966                                     gui_textarea_update(&screens[i]);
 967                                 }
 968 #else
 969                                 x = 10;
 970                                 if (plsize > 999)
 971                                     x=7;
 972                                 else {
 973                                     if (plsize > 99)
 974                                         x=8;
 975                                     else {
 976                                         if (plsize > 9)
 977                                             x=9;
 978                                     }
 979                                 }
 980                                 FOR_NB_SCREENS(i) {
 981                                     screens[i].puts(x,0,buf);
 982                                 }
 983 #endif
 984                             }
 985                             break;
 986                         }
 987                     }
 988                 }
 989             }
 990         }
 991     }
 992     closedir(dir);
 993
 994     return abort;
 995 }
 996
 997 bool create_playlist(void)
 998 {
 999     int fd;
1000     int i;
1001     char filename[MAX_PATH];
1002
1003     pltick = current_tick;
1004
1005     snprintf(filename, sizeof filename, "%s.m3u8",
1006              tc.currdir[1] ? tc.currdir : "/root");
1007     FOR_NB_SCREENS(i)
1008     {
1009         gui_textarea_clear(&screens[i]);
1010         screens[i].puts(0, 0, str(LANG_CREATING));
1011         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1012 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1013         gui_textarea_update(&screens[i]);
1014 #endif
1015     }
1016     fd = creat(filename);
1017     if (fd < 0)
1018         return false;
1019
1020     trigger_cpu_boost();
1021
1022     snprintf(filename, sizeof(filename), "%s",
1023              tc.currdir[1] ? tc.currdir : "/");
1024     plsize = 0;
1025     add_dir(filename, sizeof(filename), fd);
1026     close(fd);
1027
1028     sleep(HZ);
1029
1030     return true;
1031 }
1032
1033 int rockbox_browse(const char *root, int dirfilter)
1034 {
1035     int ret_val = 0;
1036     int *last_filter = tc.dirfilter;
1037     tc.dirfilter = &dirfilter;
1038
1039     reload_dir = true;
1040     if (dirfilter >= NUM_FILTER_MODES)
1041     {
1042         static struct tree_context backup;
1043         int last_context;
1044
1045         backup = tc;
1046         tc.selected_item = 0;
1047         tc.dirlevel = 0;
1048         memcpy(tc.currdir, root, sizeof(tc.currdir));
1049         start_wps = false;
1050         last_context = curr_context;
1051
1052         ret_val = dirbrowse();
1053         tc = backup;
1054         curr_context = last_context;
1055     }
1056     else
1057     {
1058         static char buf[MAX_PATH];
1059         if (dirfilter != SHOW_ID3DB)
1060             tc.dirfilter = &global_settings.dirfilter;
1061         strcpy(buf,root);
1062         set_current_file(buf);
1063         ret_val = dirbrowse();
1064     }
1065     tc.dirfilter = last_filter;
1066     return ret_val;
1067 }
1068
1069 void tree_mem_init(void)
1070 {
1071     /* We copy the settings value in case it is changed by the user. We can't
1072        use it until the next reboot. */
1073     max_files = global_settings.max_files_in_dir;
1074
1075     /* initialize tree context struct */
1076     memset(&tc, 0, sizeof(tc));
1077     tc.dirfilter = &global_settings.dirfilter;
1078
1079     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1080     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1081
1082     tc.dircache_size = max_files * sizeof(struct entry);
1083     tc.dircache = buffer_alloc(tc.dircache_size);
1084     tree_get_filetypes(&filetypes, &filetypes_count);
1085 }
1086
1087 void bookmark_play(char *resume_file, int index, int offset, int seed,
1088                    char *filename)
1089 {
1090     int i;
1091     char* suffix = strrchr(resume_file, '.');
1092
1093     if (suffix != NULL &&
1094         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1095     {
1096         /* Playlist playback */
1097         char* slash;
1098         /* check that the file exists */
1099         int fd = open(resume_file, O_RDONLY);
1100         if(fd<0)
1101             return;
1102         close(fd);
1103
1104         slash = strrchr(resume_file,'/');
1105         if (slash)
1106         {
1107             char* cp;
1108             *slash=0;
1109
1110             cp=resume_file;
1111             if (!cp[0])
1112                 cp="/";
1113
1114             if (playlist_create(cp, slash+1) != -1)
1115             {
1116                 if (global_settings.playlist_shuffle)
1117                     playlist_shuffle(seed, -1);
1118                 playlist_start(index,offset);
1119             }
1120             *slash='/';
1121         }
1122     }
1123     else
1124     {
1125         /* Directory playback */
1126         lastdir[0]='\0';
1127         if (playlist_create(resume_file, NULL) != -1)
1128         {
1129             char* peek_filename;
1130             resume_directory(resume_file);
1131             if (global_settings.playlist_shuffle)
1132                 playlist_shuffle(seed, -1);
1133
1134             /* Check if the file is at the same spot in the directory,
1135                else search for it */
1136             peek_filename = playlist_peek(index);
1137
1138             if (peek_filename == NULL)
1139                 return;
1140
1141             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1142             {
1143                 for ( i=0; i < playlist_amount(); i++ )
1144                 {
1145                     peek_filename = playlist_peek(i);
1146
1147                     if (peek_filename == NULL)
1148                         return;
1149
1150                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1151                         break;
1152                 }
1153                 if (i < playlist_amount())
1154                     index = i;
1155                 else
1156                     return;
1157             }
1158             playlist_start(index,offset);
1159         }
1160     }
1161
1162     start_wps=true;
1163 }
1164
1165 static void say_filetype(int attr)
1166 {
1167     /* try to find a voice ID for the extension, if known */
1168     int j;
1169     attr &= FILE_ATTR_MASK; /* file type */
1170     for (j=0; j<filetypes_count; j++)
1171         if (attr == filetypes[j].tree_attr)
1172         {
1173             talk_id(filetypes[j].voiceclip, true);
1174             return;
1175         }
1176 }
1177
1178 static int ft_play_dirname(char* name)
1179 {
1180     int fd;
1181     char dirname_mp3_filename[MAX_PATH+1];
1182
1183 #if CONFIG_CODEC != SWCODEC
1184     if (audio_status() & AUDIO_STATUS_PLAY)
1185         return 0;
1186 #endif
1187
1188     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1189              tc.currdir[1] ? tc.currdir : "" , name,
1190              dir_thumbnail_name);
1191
1192     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1193
1194     fd = open(dirname_mp3_filename, O_RDONLY);
1195     if (fd < 0)
1196     {
1197         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1198         return -1;
1199     }
1200
1201     close(fd);
1202
1203     DEBUGF("Found: %s\n", dirname_mp3_filename);
1204
1205     talk_file(dirname_mp3_filename, false);
1206     return 1;
1207 }
1208
1209 static void ft_play_filename(char *dir, char *file)
1210 {
1211     char name_mp3_filename[MAX_PATH+1];
1212
1213 #if CONFIG_CODEC != SWCODEC
1214     if (audio_status() & AUDIO_STATUS_PLAY)
1215         return;
1216 #endif
1217
1218     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1219                     file_thumbnail_ext))
1220     {   /* file has no .talk extension */
1221         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1222                  "%s/%s%s", dir, file, file_thumbnail_ext);
1223
1224         talk_file(name_mp3_filename, false);
1225     }
1226     else
1227     {   /* it already is a .talk file, play this directly */
1228         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1229             "%s/%s", dir, file);
1230         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1231         talk_file(name_mp3_filename, true);
1232     }
1233 }
1234
1235 /* These two functions are called by the USB and shutdown handlers */
1236 void tree_flush(void)
1237 {
1238     scrobbler_shutdown();
1239 #ifdef HAVE_TAGCACHE
1240     tagcache_shutdown();
1241 #endif
1242     playlist_shutdown();
1243
1244 #ifdef HAVE_TC_RAMCACHE
1245     tagcache_unload_ramcache();
1246 #endif
1247
1248 #ifdef HAVE_DIRCACHE
1249     {
1250         int old_val = global_status.dircache_size;
1251         if (global_settings.dircache)
1252         {
1253             if (!dircache_is_initializing())
1254                 global_status.dircache_size = dircache_get_cache_size();
1255 # ifdef HAVE_EEPROM_SETTINGS
1256             if (firmware_settings.initialized)
1257                 dircache_save();
1258 # endif
1259             dircache_disable();
1260         }
1261         else
1262         {
1263             global_status.dircache_size = 0;
1264         }
1265         if (old_val != global_status.dircache_size)
1266             status_save();
1267     }
1268 #endif
1269 }
1270
1271 void tree_restore(void)
1272 {
1273 #ifdef HAVE_EEPROM_SETTINGS
1274     firmware_settings.disk_clean = false;
1275 #endif
1276
1277 #ifdef HAVE_TC_RAMCACHE
1278     remove(TAGCACHE_STATEFILE);
1279 #endif
1280
1281 #ifdef HAVE_DIRCACHE
1282     remove(DIRCACHE_FILE);
1283     if (global_settings.dircache)
1284     {
1285         /* Print "Scanning disk..." to the display. */
1286         int i;
1287         FOR_NB_SCREENS(i)
1288         {
1289             screens[i].putsxy((LCD_WIDTH/2) -
1290                               ((strlen(str(LANG_SCANNING_DISK)) *
1291                                 screens[i].char_width)/2),
1292                               LCD_HEIGHT-screens[i].char_height*3,
1293                               str(LANG_SCANNING_DISK));
1294             gui_textarea_update(&screens[i]);
1295         }
1296         cond_talk_ids_fq(LANG_SCANNING_DISK);
1297
1298         dircache_build(global_status.dircache_size);
1299
1300         /* Clean the text when we are done. */
1301         FOR_NB_SCREENS(i)
1302         {
1303             gui_textarea_clear(&screens[i]);
1304         }
1305     }
1306 #endif
1307 #ifdef HAVE_TAGCACHE
1308     tagcache_start_scan();
1309 #endif
1310     scrobbler_init();
1311 }