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_filenumber(int pos, int attr);
 115 static int ft_play_dirname(char* name);
 116 static void ft_play_filename(char *dir, char *file);
 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 #ifdef HAVE_TAGCACHE
 143     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 144
 145     if (id3db)
 146     {
 147         return tagtree_get_entry(&tc, selected_item)->name;
 148     }
 149     else
 150 #endif
 151     {
 152         struct entry* dc = local_tc->dircache;
 153         struct entry* e = &dc[selected_item];
 154         name = e->name;
 155         attr = e->attr;
 156     }
 157     /* if any file filter is on, and if it's not a directory,
 158      * strip the extension */
 159
 160     if ( (*(local_tc->dirfilter) != SHOW_ID3DB) && !(attr & ATTR_DIRECTORY)
 161         && (*(local_tc->dirfilter) != SHOW_ALL) )
 162     {
 163         return(strip_extension(name, buffer));
 164     }
 165     return(name);
 166 }
 167
 168 #ifdef HAVE_LCD_COLOR
 169 static int tree_get_filecolor(int selected_item, void * data)
 170 {
 171     if (*tc.dirfilter == SHOW_ID3DB)
 172         return -1;
 173     struct tree_context * local_tc=(struct tree_context *)data;
 174     struct entry* dc = local_tc->dircache;
 175     struct entry* e = &dc[selected_item];
 176     return filetype_get_color(e->name, e->attr);
 177 }
 178 #endif
 179
 180 static int tree_get_fileicon(int selected_item, void * data)
 181 {
 182     struct tree_context * local_tc=(struct tree_context *)data;
 183 #ifdef HAVE_TAGCACHE
 184     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 185     if (id3db) {
 186         return tagtree_get_icon(&tc);
 187     }
 188     else
 189 #endif
 190         {
 191         struct entry* dc = local_tc->dircache;
 192         struct entry* e = &dc[selected_item];
 193         return filetype_get_icon(e->attr);
 194     }
 195 }
 196
 197 bool check_rockboxdir(void)
 198 {
 199     DIR *dir = opendir(ROCKBOX_DIR);
 200     if(!dir)
 201     {   /* No need to localise this message.
 202            If .rockbox is missing, it wouldn't work anyway */
 203         int i;
 204         FOR_NB_SCREENS(i)
 205             screens[i].clear_display();
 206         gui_syncsplash(HZ*2, "No .rockbox directory");
 207         FOR_NB_SCREENS(i)
 208             screens[i].clear_display();
 209         gui_syncsplash(HZ*2, "Installation incomplete");
 210         return false;
 211     }
 212     closedir(dir);
 213     return true;
 214 }
 215
 216 /* do this really late in the init sequence */
 217 void tree_gui_init(void)
 218 {
 219     gui_sync_wps_screen_init();
 220
 221     check_rockboxdir();
 222
 223     strcpy(tc.currdir, "/");
 224
 225 #ifdef HAVE_LCD_CHARCELLS
 226     int i;
 227     FOR_NB_SCREENS(i)
 228         screens[i].double_height(false);
 229 #endif
 230 #ifdef HAS_BUTTONBAR
 231     gui_buttonbar_init(&tree_buttonbar);
 232     /* since archos only have one screen, no need to create more than that */
 233     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 234 #endif
 235     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1);
 236     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 237 #ifdef HAVE_LCD_COLOR
 238     gui_list_set_color_callback(&tree_lists.gui_list[SCREEN_MAIN],
 239                                 &tree_get_filecolor);
 240 #endif
 241 }
 242
 243
 244
 245 struct tree_context* tree_get_context(void)
 246 {
 247     return &tc;
 248 }
 249
 250 /* talkbox hovering delay, to avoid immediate disk activity */
 251 #define HOVER_DELAY (HZ/2)
 252 /*
 253  * Returns the position of a given file in the current directory
 254  * returns -1 if not found
 255  */
 256 static int tree_get_file_position(char * filename)
 257 {
 258     int i;
 259
 260     /* use lastfile to determine the selected item (default=0) */
 261     for (i=0; i < tc.filesindir; i++)
 262     {
 263         struct entry* dc = tc.dircache;
 264         struct entry* e = &dc[i];
 265         if (!strcasecmp(e->name, filename))
 266             return(i);
 267     }
 268     return(-1);/* no file can match, returns undefined */
 269 }
 270
 271 /*
 272  * Called when a new dir is loaded (for example when returning from other apps ...)
 273  * also completely redraws the tree
 274  */
 275 static int update_dir(void)
 276 {
 277   bool changed = false;
 278 #ifdef HAVE_TAGCACHE
 279     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 280     /* Checks for changes */
 281     if (id3db) {
 282         if (tc.currtable != lasttable ||
 283             tc.currextra != lastextra ||
 284             tc.firstpos  != lastfirstpos ||
 285             reload_dir)
 286         {
 287             if (tagtree_load(&tc) < 0)
 288                 return -1;
 289
 290             lasttable = tc.currtable;
 291             lastextra = tc.currextra;
 292             lastfirstpos = tc.firstpos;
 293             changed = true;
 294         }
 295     }
 296     else
 297 #endif
 298         {
 299         /* if the tc.currdir has been changed, reload it ...*/
 300         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir) {
 301
 302             if (ft_load(&tc, NULL) < 0)
 303                 return -1;
 304             strcpy(lastdir, tc.currdir);
 305             changed = true;
 306         }
 307     }
 308     /* if selected item is undefined */
 309     if (tc.selected_item == -1)
 310     {
 311         /* use lastfile to determine the selected item */
 312         tc.selected_item = tree_get_file_position(lastfile);
 313
 314         /* If the file doesn't exists, select the first one (default) */
 315         if(tc.selected_item < 0)
 316             tc.selected_item = 0;
 317         changed = true;
 318     }
 319     if (changed)
 320     {
 321         if(
 322 #ifdef HAVE_TAGCACHE
 323         !id3db &&
 324 #endif
 325         (tc.dirfull ||
 326                       tc.filesindir == global_settings.max_files_in_dir) )
 327         {
 328             gui_syncsplash(HZ, str(LANG_SHOWDIR_BUFFER_FULL));
 329         }
 330     }
 331 #ifdef HAVE_TAGCACHE
 332     if (id3db)
 333     {
 334         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 335             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 336         {
 337             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 338                 filetype_get_icon(ATTR_DIRECTORY));
 339         }
 340         else
 341         {
 342             /* Must clear the title as the list is reused */
 343             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 344         }
 345     }
 346     else
 347 #endif
 348     {
 349         if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 350         {
 351             gui_synclist_set_title(&tree_lists, tc.currdir,
 352                 filetype_get_icon(ATTR_DIRECTORY));
 353         }
 354         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 355         {
 356             char *title = strrchr(tc.currdir, '/') + 1;
 357             if (*title == '\0')
 358             {
 359                 /* Display "Files" for the root dir */
 360                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 361                     filetype_get_icon(ATTR_DIRECTORY));
 362             }
 363             else if(0 == strcasecmp(tc.currdir, PLUGIN_DIR))
 364             {
 365                 /* Display "Plugins" for the rocks dir */
 366                 gui_synclist_set_title(&tree_lists, str(LANG_PLUGINS),
 367                     filetype_get_icon(ATTR_DIRECTORY));
 368             }
 369             else
 370                 gui_synclist_set_title(&tree_lists, title,
 371                     filetype_get_icon(ATTR_DIRECTORY));
 372         }
 373         else
 374         {
 375             /* Must clear the title as the list is reused */
 376             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 377         }
 378     }
 379
 380     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 381     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 382     if( tc.selected_item >= tc.filesindir)
 383         tc.selected_item=tc.filesindir-1;
 384
 385     gui_synclist_select_item(&tree_lists, tc.selected_item);
 386 #ifdef HAS_BUTTONBAR
 387     if (global_settings.buttonbar) {
 388         if (*tc.dirfilter < NUM_FILTER_MODES)
 389             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 390                           str(LANG_SYSFONT_DIRBROWSE_F2),
 391                           str(LANG_SYSFONT_DIRBROWSE_F3));
 392         else
 393             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 394         gui_buttonbar_draw(&tree_buttonbar);
 395     }
 396 #endif
 397     gui_synclist_draw(&tree_lists);
 398     gui_syncstatusbar_draw(&statusbars, true);
 399     return tc.filesindir;
 400 }
 401
 402 /* load tracks from specified directory to resume play */
 403 void resume_directory(const char *dir)
 404 {
 405 #ifdef HAVE_TAGCACHE
 406     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 407 #endif
 408
 409     if (ft_load(&tc, dir) < 0)
 410         return;
 411     lastdir[0] = 0;
 412
 413     ft_build_playlist(&tc, 0);
 414
 415 #ifdef HAVE_TAGCACHE
 416     if (id3db)
 417         tagtree_load(&tc);
 418 #endif
 419 }
 420
 421 /* Returns the current working directory and also writes cwd to buf if
 422    non-NULL.  In case of error, returns NULL. */
 423 char *getcwd(char *buf, int size)
 424 {
 425     if (!buf)
 426         return tc.currdir;
 427     else if (size > 0)
 428     {
 429         strncpy(buf, tc.currdir, size);
 430         return buf;
 431     }
 432     else
 433         return NULL;
 434 }
 435
 436 /* Force a reload of the directory next time directory browser is called */
 437 void reload_directory(void)
 438 {
 439     reload_dir = true;
 440 }
 441
 442 void get_current_file(char* buffer, int buffer_len)
 443 {
 444 #ifdef HAVE_TAGCACHE
 445     /* in ID3DB mode it is a bad idea to call this function */
 446     /* (only happens with `follow playlist') */
 447     if( *tc.dirfilter == SHOW_ID3DB )
 448         return;
 449 #endif
 450
 451     struct entry* dc = tc.dircache;
 452     struct entry* e = &dc[tc.selected_item];
 453     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 454                                           tc.dirlength ? e->name : "");
 455 }
 456
 457 /* Selects a file and update tree context properly */
 458 static void set_current_file(char *path)
 459 {
 460     char *name;
 461     int i;
 462
 463 #ifdef HAVE_TAGCACHE
 464     /* in ID3DB mode it is a bad idea to call this function */
 465     /* (only happens with `follow playlist') */
 466     if( *tc.dirfilter == SHOW_ID3DB )
 467         return;
 468 #endif
 469
 470     /* separate directory from filename */
 471     /* gets the directory's name and put it into tc.currdir */
 472     name = strrchr(path+1,'/');
 473     if (name)
 474     {
 475         *name = 0;
 476         strcpy(tc.currdir, path);
 477         *name = '/';
 478         name++;
 479     }
 480     else
 481     {
 482         strcpy(tc.currdir, "/");
 483         name = path+1;
 484     }
 485
 486     strcpy(lastfile, name);
 487
 488
 489     /* If we changed dir we must recalculate the dirlevel
 490        and adjust the selected history properly */
 491     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 492     {
 493         tc.dirlevel =  0;
 494         tc.selected_item_history[tc.dirlevel] = -1;
 495
 496         /* use '/' to calculate dirlevel */
 497         for (i = 1; path[i] != '\0'; i++)
 498         {
 499             if (path[i] == '/')
 500             {
 501                 tc.dirlevel++;
 502                 tc.selected_item_history[tc.dirlevel] = -1;
 503             }
 504         }
 505     }
 506     if (ft_load(&tc, NULL) >= 0)
 507     {
 508         tc.selected_item = tree_get_file_position(lastfile);
 509     }
 510 }
 511
 512
 513 /* main loop, handles key events */
 514 static int dirbrowse()
 515 {
 516     int numentries=0;
 517     char buf[MAX_PATH];
 518     int lasti = -1;
 519     unsigned button, returned_button;
 520     bool reload_root = false;
 521     int lastfilter = *tc.dirfilter;
 522     bool lastsortcase = global_settings.sort_case;
 523     bool need_update = true;
 524     bool exit_func = false;
 525     long thumbnail_time = -1; /* for delaying a thumbnail */
 526     long last_cancel = 0;
 527
 528     char* currdir = tc.currdir; /* just a shortcut */
 529 #ifdef HAVE_TAGCACHE
 530     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 531
 532     if (id3db)
 533         curr_context=CONTEXT_ID3DB;
 534     else
 535 #endif
 536         curr_context=CONTEXT_TREE;
 537     if (tc.selected_item < 0)
 538         tc.selected_item = 0;
 539 #ifdef HAVE_TAGCACHE
 540     tc.firstpos=0;
 541     lasttable = -1;
 542     lastextra = -1;
 543     lastfirstpos = 0;
 544 #endif
 545
 546     start_wps = false;
 547     numentries = update_dir();
 548     if (numentries == -1)
 549         return false;  /* currdir is not a directory */
 550
 551     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 552     {
 553         gui_syncsplash(HZ*2, str(LANG_NO_FILES));
 554         return false;  /* No files found for rockbox_browser() */
 555     }
 556
 557     while(1) {
 558         struct entry *dircache = tc.dircache;
 559         bool restore = false;
 560         if (tc.dirlevel < 0)
 561           tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 562 #ifdef BOOTFILE
 563         if (boot_changed) {
 564             char *lines[]={str(LANG_BOOT_CHANGED), str(LANG_REBOOT_NOW)};
 565             struct text_message message={lines, 2};
 566             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 567                 rolo_load("/" BOOTFILE);
 568             restore = true;
 569             boot_changed = false;
 570         }
 571 #endif
 572         button = get_action(CONTEXT_TREE,HZ/5);
 573         returned_button = gui_synclist_do_button(&tree_lists, button,LIST_WRAP_UNLESS_HELD);
 574         if (returned_button)
 575             need_update = true;
 576         if (returned_button == ACTION_STD_CANCEL)
 577             button = ACTION_STD_CANCEL;
 578
 579         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 580         switch ( button ) {
 581             case ACTION_STD_OK:
 582                 /* nothing to do if no files to display */
 583                 if ( numentries == 0 )
 584                     break;
 585
 586 #ifdef HAVE_TAGCACHE
 587                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 588 #else
 589                 switch (ft_enter(&tc))
 590 #endif
 591                 {
 592                     case 1: reload_dir = true; break;
 593                     case 2: start_wps = true; break;
 594                     case 3: exit_func = true; break;
 595                     default: break;
 596                 }
 597                 restore = true;
 598                 break;
 599
 600             case ACTION_STD_CANCEL:
 601                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 602                     exit_func = true;
 603                     break;
 604                 }
 605                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 606                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 607                 {
 608                     if (last_cancel && TIME_BEFORE(current_tick, last_cancel+HZ/2))
 609                     {
 610                         last_cancel = 0;
 611                         break;
 612                     }
 613                     else
 614                         return GO_TO_ROOT;
 615                 }
 616                 last_cancel = current_tick;
 617
 618 #ifdef HAVE_TAGCACHE
 619                 if (id3db)
 620                     tagtree_exit(&tc);
 621                 else
 622 #endif
 623                     if (ft_exit(&tc) == 3)
 624                         exit_func = true;
 625
 626                 restore = true;
 627                 break;
 628
 629             case ACTION_TREE_STOP:
 630                 if (list_stop_handler())
 631                     restore = true;
 632                 break;
 633
 634             case ACTION_STD_MENU:
 635                 return GO_TO_ROOT;
 636                 break;
 637
 638             case ACTION_TREE_WPS:
 639                 return GO_TO_PREVIOUS_MUSIC;
 640                 break;
 641 #ifdef HAVE_QUICKSCREEN
 642             case ACTION_STD_QUICKSCREEN:
 643                 /* don't enter f2 from plugin browser */
 644                 if (*tc.dirfilter < NUM_FILTER_MODES)
 645                 {
 646                     if (quick_screen_quick(button))
 647                         reload_dir = true;
 648                     restore = true;
 649                 }
 650                 break;
 651 #endif
 652 #ifdef BUTTON_F3
 653             case ACTION_F3:
 654                 /* don't enter f3 from plugin browser */
 655                 if (*tc.dirfilter < NUM_FILTER_MODES)
 656                 {
 657                     if (quick_screen_f3(BUTTON_F3))
 658                         reload_dir = true;
 659                     restore = true;
 660                 }
 661                 break;
 662 #endif
 663
 664             case ACTION_STD_CONTEXT:
 665             {
 666                 int onplay_result;
 667                 int attr = 0;
 668
 669                 if(!numentries)
 670                     onplay_result = onplay(NULL, 0, curr_context);
 671                 else {
 672 #ifdef HAVE_TAGCACHE
 673                     if (id3db)
 674                     {
 675                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 676                         {
 677                             attr = FILE_ATTR_AUDIO;
 678                             tagtree_get_filename(&tc, buf, sizeof(buf));
 679                         }
 680                         else
 681                             attr = ATTR_DIRECTORY;
 682                     }
 683                     else
 684 #endif
 685                     {
 686                         attr = dircache[tc.selected_item].attr;
 687
 688                         if (currdir[1]) /* Not in / */
 689                             snprintf(buf, sizeof buf, "%s/%s",
 690                                      currdir,
 691                                      dircache[tc.selected_item].name);
 692                         else /* In / */
 693                             snprintf(buf, sizeof buf, "/%s",
 694                                      dircache[tc.selected_item].name);
 695                     }
 696                     onplay_result = onplay(buf, attr, curr_context);
 697                 }
 698                 switch (onplay_result)
 699                 {
 700                     case ONPLAY_MAINMENU:
 701                         return GO_TO_ROOT;
 702
 703                     case ONPLAY_OK:
 704                         restore = true;
 705                         break;
 706
 707                     case ONPLAY_RELOAD_DIR:
 708                         reload_dir = true;
 709                         break;
 710
 711                     case ONPLAY_START_PLAY:
 712                         return GO_TO_WPS;
 713                         break;
 714                 }
 715                 break;
 716             }
 717
 718             case ACTION_NONE:
 719                 if (thumbnail_time != -1 &&
 720                     TIME_AFTER(current_tick, thumbnail_time))
 721                 {   /* a delayed hovering thumbnail is due now */
 722                     int res;
 723                     int attr;
 724                     char* name;
 725
 726 #ifdef HAVE_TAGCACHE
 727                     if (id3db)
 728                     {
 729                         attr = tagtree_get_attr(&tc);
 730                         name = tagtree_get_entry(&tc, lasti)->name;
 731                     }
 732                     else
 733 #endif
 734                     {
 735                         attr = dircache[lasti].attr;
 736                         name = dircache[lasti].name;
 737                     }
 738
 739                     if (attr & ATTR_DIRECTORY)
 740                     {
 741                         DEBUGF("Playing directory thumbnail: %s", currdir);
 742                         res = ft_play_dirname(name);
 743                         if (res < 0) /* failed, not existing */
 744                         {
 745                             /* say the number or spell if required as a fallback */
 746                             switch (global_settings.talk_dir)
 747                             {
 748                             case 1: /* dirs as numbers */
 749                                 talk_id(VOICE_DIR, false);
 750                                 talk_number(lasti+1, true);
 751                                 break;
 752
 753                             case 2: /* dirs spelled */
 754                                 talk_spell(name, false);
 755                                 break;
 756                             }
 757                         }
 758                     }
 759                     else
 760                     {
 761                         DEBUGF("Playing file thumbnail: %s/%s%s\n",
 762                                currdir, name,
 763                                file_thumbnail_ext);
 764                         /* no fallback necessary, we knew in advance
 765                            that the file exists */
 766                         ft_play_filename(currdir, name);
 767                     }
 768                     thumbnail_time = -1; /* job done */
 769                 }
 770                 gui_syncstatusbar_draw(&statusbars, false);
 771                 break;
 772
 773 #ifdef HAVE_HOTSWAP
 774             case SYS_FS_CHANGED:
 775 #ifdef HAVE_TAGCACHE
 776                 if (!id3db)
 777 #endif
 778                     reload_dir = true;
 779                 /* The 'dir no longer valid' situation will be caught later
 780                  * by checking the showdir() result. */
 781                 break;
 782 #endif
 783
 784             default:
 785                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 786                 {
 787                     if(*tc.dirfilter > NUM_FILTER_MODES)
 788                         /* leave sub-browsers after usb, doing otherwise
 789                            might be confusing to the user */
 790                         exit_func = true;
 791                     else
 792                         reload_dir = true;
 793                 }
 794                 break;
 795         }
 796         if (start_wps)
 797             return GO_TO_WPS;
 798         if ( button )
 799         {
 800             ata_spin();
 801         }
 802
 803
 804     check_rescan:
 805         /* do we need to rescan dir? */
 806         if (reload_dir || reload_root ||
 807             lastfilter != *tc.dirfilter ||
 808             lastsortcase != global_settings.sort_case)
 809         {
 810             if ( reload_root ) {
 811                 strcpy(currdir, "/");
 812                 tc.dirlevel = 0;
 813 #ifdef HAVE_TAGCACHE
 814                 tc.currtable = 0;
 815                 tc.currextra = 0;
 816                 lasttable = -1;
 817                 lastextra = -1;
 818 #endif
 819                 reload_root = false;
 820             }
 821
 822             if (! reload_dir )
 823             {
 824                 gui_synclist_select_item(&tree_lists, 0);
 825                 gui_synclist_draw(&tree_lists);
 826                 tc.selected_item = 0;
 827                 lastdir[0] = 0;
 828             }
 829
 830             lastfilter = *tc.dirfilter;
 831             lastsortcase = global_settings.sort_case;
 832             restore = true;
 833         }
 834
 835         if (exit_func)
 836             return GO_TO_PREVIOUS;
 837
 838         if (restore || reload_dir) {
 839             /* restore display */
 840             numentries = update_dir();
 841             if (currdir[1] && (numentries < 0))
 842             {   /* not in root and reload failed */
 843                 reload_root = true; /* try root */
 844                 reload_dir = false;
 845                 goto check_rescan;
 846             }
 847             need_update = true;
 848             reload_dir = false;
 849         }
 850
 851         if(need_update) {
 852             need_update=false;
 853             if ( numentries > 0 ) {
 854                 /* Voice the file if changed */
 855                 if(lasti != tc.selected_item || restore) {
 856                     int attr;
 857                     char* name;
 858
 859                     lasti = tc.selected_item;
 860                     thumbnail_time = -1; /* Cancel whatever we were
 861                                             about to say */
 862
 863 #ifdef HAVE_TAGCACHE
 864                     if (id3db)
 865                     {
 866                         attr = tagtree_get_attr(&tc);
 867                         name = tagtree_get_entry(&tc, tc.selected_item)->name;
 868                     }
 869                     else
 870 #endif
 871                     {
 872                         attr = dircache[tc.selected_item].attr;
 873                         name = dircache[tc.selected_item].name;
 874                     }
 875
 876                     /* Directory? */
 877                     if (attr & ATTR_DIRECTORY)
 878                     {
 879                         /* schedule thumbnail playback if required */
 880                         if (global_settings.talk_dir_clip)
 881                             thumbnail_time = current_tick + HOVER_DELAY;
 882                         else
 883                         {
 884                             /* talk directly */
 885                             switch (global_settings.talk_dir)
 886                             {
 887                             case 1: /* dirs as numbers */
 888                                 talk_id(VOICE_DIR, false);
 889                                 talk_number(tc.selected_item+1, true);
 890                                 break;
 891
 892                             case 2: /* dirs spelled */
 893                                 talk_spell(name, false);
 894                                 break;
 895                             }
 896                         }
 897                     }
 898                     else /* file */
 899                     {
 900                         /* schedule thumbnail playback if required */
 901                         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 902                             thumbnail_time = current_tick + HOVER_DELAY;
 903                         else
 904                         {
 905                             /* talk directly */
 906                             switch (global_settings.talk_file)
 907                             {
 908                             case 1: /* files as numbers */
 909                                 ft_play_filenumber(
 910                                     tc.selected_item-tc.dirsindir+1,
 911                                     attr & FILE_ATTR_MASK);
 912                                 break;
 913
 914                             case 2: /* files spelled */
 915                                 talk_spell(name, false);
 916                                 break;
 917                             }
 918                         }
 919                     }
 920                 }
 921             }
 922         }
 923     }
 924     return true;
 925 }
 926
 927 static int plsize = 0;
 928 static long pltick;
 929 static bool add_dir(char* dirname, int len, int fd)
 930 {
 931     bool abort = false;
 932     DIR* dir;
 933
 934     /* check for user abort */
 935     if (action_userabort(TIMEOUT_NOBLOCK))
 936         return true;
 937
 938     dir = opendir(dirname);
 939     if(!dir)
 940         return true;
 941
 942     while (true) {
 943         struct dirent *entry;
 944
 945         entry = readdir(dir);
 946         if (!entry)
 947             break;
 948         if (entry->attribute & ATTR_DIRECTORY) {
 949             int dirlen = strlen(dirname);
 950             bool result;
 951
 952             if (!strcmp((char *)entry->d_name, ".") ||
 953                 !strcmp((char *)entry->d_name, ".."))
 954                 continue;
 955
 956             if (dirname[1])
 957                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
 958             else
 959                 snprintf(dirname, len, "/%s", entry->d_name);
 960
 961             result = add_dir(dirname, len, fd);
 962             dirname[dirlen] = '\0';
 963             if (result) {
 964                 abort = true;
 965                 break;
 966             }
 967         }
 968         else {
 969             int x = strlen((char *)entry->d_name);
 970             int i;
 971             char *cp = strrchr((char *)entry->d_name,'.');
 972
 973             if (cp) {
 974                 cp++;
 975
 976                 /* add all supported audio files to playlists */
 977                 for (i=0; i < filetypes_count; i++) {
 978                     if (filetypes[i].tree_attr == FILE_ATTR_AUDIO) {
 979                         if (!strcasecmp(cp, filetypes[i].extension)) {
 980                             char buf[8];
 981                             int i;
 982                             write(fd, dirname, strlen(dirname));
 983                             write(fd, "/", 1);
 984                             write(fd, entry->d_name, x);
 985                             write(fd, "\n", 1);
 986
 987                             plsize++;
 988                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
 989                                 pltick = current_tick;
 990
 991                                 snprintf(buf, sizeof buf, "%d", plsize);
 992 #ifdef HAVE_LCD_BITMAP
 993                                 FOR_NB_SCREENS(i)
 994                                 {
 995                                     screens[i].puts(0, 4, (unsigned char *)buf);
 996                                     gui_textarea_update(&screens[i]);
 997                                 }
 998 #else
 999                                 x = 10;
1000                                 if (plsize > 999)
1001                                     x=7;
1002                                 else {
1003                                     if (plsize > 99)
1004                                         x=8;
1005                                     else {
1006                                         if (plsize > 9)
1007                                             x=9;
1008                                     }
1009                                 }
1010                                 FOR_NB_SCREENS(i) {
1011                                     screens[i].puts(x,0,buf);
1012                                 }
1013 #endif
1014                             }
1015                             break;
1016                         }
1017                     }
1018                 }
1019             }
1020         }
1021     }
1022     closedir(dir);
1023
1024     return abort;
1025 }
1026
1027 bool create_playlist(void)
1028 {
1029     int fd;
1030     int i;
1031     char filename[MAX_PATH];
1032
1033     pltick = current_tick;
1034
1035     snprintf(filename, sizeof filename, "%s.m3u8",
1036              tc.currdir[1] ? tc.currdir : "/root");
1037     FOR_NB_SCREENS(i)
1038     {
1039         gui_textarea_clear(&screens[i]);
1040         screens[i].puts(0, 0, str(LANG_CREATING));
1041         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1042 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1043         gui_textarea_update(&screens[i]);
1044 #endif
1045     }
1046     fd = creat(filename);
1047     if (fd < 0)
1048         return false;
1049
1050     trigger_cpu_boost();
1051
1052     snprintf(filename, sizeof(filename), "%s",
1053              tc.currdir[1] ? tc.currdir : "/");
1054     plsize = 0;
1055     add_dir(filename, sizeof(filename), fd);
1056     close(fd);
1057
1058     sleep(HZ);
1059
1060     return true;
1061 }
1062
1063 int rockbox_browse(const char *root, int dirfilter)
1064 {
1065     int ret_val = 0;
1066     int *last_filter = tc.dirfilter;
1067     tc.dirfilter = &dirfilter;
1068
1069     reload_dir = true;
1070     if (dirfilter >= NUM_FILTER_MODES)
1071     {
1072         static struct tree_context backup;
1073         int last_context;
1074
1075         backup = tc;
1076         tc.selected_item = 0;
1077         tc.dirlevel = 0;
1078         memcpy(tc.currdir, root, sizeof(tc.currdir));
1079         start_wps = false;
1080         last_context = curr_context;
1081
1082         ret_val = dirbrowse();
1083         tc = backup;
1084         curr_context = last_context;
1085     }
1086     else
1087     {
1088         static char buf[MAX_PATH];
1089         if (dirfilter != SHOW_ID3DB)
1090             tc.dirfilter = &global_settings.dirfilter;
1091         strcpy(buf,root);
1092         set_current_file(buf);
1093         ret_val = dirbrowse();
1094     }
1095     tc.dirfilter = last_filter;
1096     return ret_val;
1097 }
1098
1099 void tree_mem_init(void)
1100 {
1101     /* We copy the settings value in case it is changed by the user. We can't
1102        use it until the next reboot. */
1103     max_files = global_settings.max_files_in_dir;
1104
1105     /* initialize tree context struct */
1106     memset(&tc, 0, sizeof(tc));
1107     tc.dirfilter = &global_settings.dirfilter;
1108
1109     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1110     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1111
1112     tc.dircache_size = max_files * sizeof(struct entry);
1113     tc.dircache = buffer_alloc(tc.dircache_size);
1114     tree_get_filetypes(&filetypes, &filetypes_count);
1115 }
1116
1117 void bookmark_play(char *resume_file, int index, int offset, int seed,
1118                    char *filename)
1119 {
1120     int i;
1121     char* suffix = strrchr(resume_file, '.');
1122
1123     if (suffix != NULL &&
1124         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1125     {
1126         /* Playlist playback */
1127         char* slash;
1128         /* check that the file exists */
1129         int fd = open(resume_file, O_RDONLY);
1130         if(fd<0)
1131             return;
1132         close(fd);
1133
1134         slash = strrchr(resume_file,'/');
1135         if (slash)
1136         {
1137             char* cp;
1138             *slash=0;
1139
1140             cp=resume_file;
1141             if (!cp[0])
1142                 cp="/";
1143
1144             if (playlist_create(cp, slash+1) != -1)
1145             {
1146                 if (global_settings.playlist_shuffle)
1147                     playlist_shuffle(seed, -1);
1148                 playlist_start(index,offset);
1149             }
1150             *slash='/';
1151         }
1152     }
1153     else
1154     {
1155         /* Directory playback */
1156         lastdir[0]='\0';
1157         if (playlist_create(resume_file, NULL) != -1)
1158         {
1159             char* peek_filename;
1160             resume_directory(resume_file);
1161             if (global_settings.playlist_shuffle)
1162                 playlist_shuffle(seed, -1);
1163
1164             /* Check if the file is at the same spot in the directory,
1165                else search for it */
1166             peek_filename = playlist_peek(index);
1167
1168             if (peek_filename == NULL)
1169                 return;
1170
1171             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1172             {
1173                 for ( i=0; i < playlist_amount(); i++ )
1174                 {
1175                     peek_filename = playlist_peek(i);
1176
1177                     if (peek_filename == NULL)
1178                         return;
1179
1180                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1181                         break;
1182                 }
1183                 if (i < playlist_amount())
1184                     index = i;
1185                 else
1186                     return;
1187             }
1188             playlist_start(index,offset);
1189         }
1190     }
1191
1192     start_wps=true;
1193 }
1194
1195 static int ft_play_filenumber(int pos, int attr)
1196 {
1197     /* try to find a voice ID for the extension, if known */
1198     int j;
1199     int ext_id = -1; /* default to none */
1200     for (j=0; j<filetypes_count; j++)
1201     {
1202         if (attr == filetypes[j].tree_attr)
1203         {
1204             ext_id = filetypes[j].voiceclip;
1205             break;
1206         }
1207     }
1208
1209     talk_id(VOICE_FILE, false);
1210     talk_number(pos, true);
1211     talk_id(ext_id, true);
1212     return 1;
1213 }
1214
1215 static int ft_play_dirname(char* name)
1216 {
1217     int fd;
1218     char dirname_mp3_filename[MAX_PATH+1];
1219
1220 #if CONFIG_CODEC != SWCODEC
1221     if (audio_status() & AUDIO_STATUS_PLAY)
1222         return 0;
1223 #endif
1224
1225     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1226              tc.currdir[1] ? tc.currdir : "" , name,
1227              dir_thumbnail_name);
1228
1229     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1230
1231     fd = open(dirname_mp3_filename, O_RDONLY);
1232     if (fd < 0)
1233     {
1234         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1235         return -1;
1236     }
1237
1238     close(fd);
1239
1240     DEBUGF("Found: %s\n", dirname_mp3_filename);
1241
1242     talk_file(dirname_mp3_filename, false);
1243     return 1;
1244 }
1245
1246 static void ft_play_filename(char *dir, char *file)
1247 {
1248     char name_mp3_filename[MAX_PATH+1];
1249
1250 #if CONFIG_CODEC != SWCODEC
1251     if (audio_status() & AUDIO_STATUS_PLAY)
1252         return;
1253 #endif
1254
1255     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1256                     file_thumbnail_ext))
1257     {   /* file has no .talk extension */
1258         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1259                  "%s/%s%s", dir, file, file_thumbnail_ext);
1260
1261         talk_file(name_mp3_filename, false);
1262     }
1263     else
1264     {   /* it already is a .talk file, play this directly */
1265         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1266             "%s/%s", dir, file);
1267         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1268         talk_file(name_mp3_filename, true);
1269     }
1270 }
1271
1272 /* These two functions are called by the USB and shutdown handlers */
1273 void tree_flush(void)
1274 {
1275     scrobbler_shutdown();
1276 #ifdef HAVE_TAGCACHE
1277     tagcache_shutdown();
1278 #endif
1279     playlist_shutdown();
1280
1281 #ifdef HAVE_TC_RAMCACHE
1282     tagcache_unload_ramcache();
1283 #endif
1284
1285 #ifdef HAVE_DIRCACHE
1286     {
1287         int old_val = global_status.dircache_size;
1288         if (global_settings.dircache)
1289         {
1290             global_status.dircache_size = dircache_get_cache_size();
1291 # ifdef HAVE_EEPROM_SETTINGS
1292             if (firmware_settings.initialized)
1293                 dircache_save();
1294 # endif
1295             dircache_disable();
1296         }
1297         else
1298         {
1299             global_status.dircache_size = 0;
1300         }
1301         if (old_val != global_status.dircache_size)
1302             status_save();
1303     }
1304 #endif
1305 }
1306
1307 void tree_restore(void)
1308 {
1309 #ifdef HAVE_EEPROM_SETTINGS
1310     firmware_settings.disk_clean = false;
1311 #endif
1312
1313 #ifdef HAVE_TC_RAMCACHE
1314     remove(TAGCACHE_STATEFILE);
1315 #endif
1316
1317 #ifdef HAVE_DIRCACHE
1318     remove(DIRCACHE_FILE);
1319     if (global_settings.dircache)
1320     {
1321         /* Print "Scanning disk..." to the display. */
1322         int i;
1323         FOR_NB_SCREENS(i)
1324         {
1325             screens[i].putsxy((LCD_WIDTH/2) -
1326                               ((strlen(str(LANG_DIRCACHE_BUILDING)) *
1327                                 screens[i].char_width)/2),
1328                               LCD_HEIGHT-screens[i].char_height*3,
1329                               str(LANG_DIRCACHE_BUILDING));
1330             gui_textarea_update(&screens[i]);
1331         }
1332
1333         dircache_build(global_status.dircache_size);
1334
1335         /* Clean the text when we are done. */
1336         FOR_NB_SCREENS(i)
1337         {
1338             gui_textarea_clear(&screens[i]);
1339         }
1340     }
1341 #endif
1342 #ifdef HAVE_TAGCACHE
1343     tagcache_start_scan();
1344 #endif
1345     scrobbler_init();
1346 }