apps/tree.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Daniel Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <stdbool.h>
  24 #include "string-extra.h"
  25
  26 #include "applimits.h"
  27 #include "dir.h"
  28 #include "file.h"
  29 #include "lcd.h"
  30 #include "font.h"
  31 #include "button.h"
  32 #include "kernel.h"
  33 #include "usb.h"
  34 #include "tree.h"
  35 #include "audio.h"
  36 #include "playlist.h"
  37 #include "menu.h"
  38 #include "skin_engine/skin_engine.h"
  39 #include "settings.h"
  40 #include "debug.h"
  41 #include "storage.h"
  42 #include "rolo.h"
  43 #include "icons.h"
  44 #include "lang.h"
  45 #include "screens.h"
  46 #include "keyboard.h"
  47 #include "bookmark.h"
  48 #include "onplay.h"
  49 #include "buffer.h"
  50 #include "power.h"
  51 #include "action.h"
  52 #include "talk.h"
  53 #include "filetypes.h"
  54 #include "misc.h"
  55 #include "filetree.h"
  56 #include "tagtree.h"
  57 #ifdef HAVE_RECORDING
  58 #include "recorder/recording.h"
  59 #endif
  60 #include "rtc.h"
  61 #include "dircache.h"
  62 #ifdef HAVE_TAGCACHE
  63 #include "tagcache.h"
  64 #endif
  65 #include "yesno.h"
  66 #include "eeprom_settings.h"
  67 #include "playlist_catalog.h"
  68
  69 /* gui api */
  70 #include "list.h"
  71 #include "splash.h"
  72 #include "buttonbar.h"
  73 #include "quickscreen.h"
  74 #include "appevents.h"
  75
  76 #include "root_menu.h"
  77
  78 static const struct filetype *filetypes;
  79 static int filetypes_count;
  80
  81 struct gui_synclist tree_lists;
  82
  83 /* I put it here because other files doesn't use it yet,
  84  * but should be elsewhere since it will be used mostly everywhere */
  85 #ifdef HAVE_BUTTONBAR
  86 static struct gui_buttonbar tree_buttonbar;
  87 #endif
  88 static struct tree_context tc;
  89
  90 bool boot_changed = false;
  91
  92 char lastfile[MAX_PATH];
  93 static char lastdir[MAX_PATH];
  94 #ifdef HAVE_TAGCACHE
  95 static int lasttable, lastextra, lastfirstpos;
  96 #endif
  97 static int max_files = 0;
  98
  99 static bool reload_dir = false;
 100
 101 static bool start_wps = false;
 102 static int curr_context = false;/* id3db or tree*/
 103
 104 static int dirbrowse(void);
 105 static int ft_play_dirname(char* name);
 106 static void ft_play_filename(char *dir, char *file);
 107 static void say_filetype(int attr);
 108
 109 static const char* tree_get_filename(int selected_item, void *data,
 110                                      char *buffer, size_t buffer_len)
 111 {
 112     struct tree_context * local_tc=(struct tree_context *)data;
 113     char *name;
 114     int attr=0;
 115     bool stripit = false;
 116 #ifdef HAVE_TAGCACHE
 117     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 118
 119     if (id3db)
 120     {
 121         return tagtree_get_entry(&tc, selected_item)->name;
 122     }
 123     else
 124 #endif
 125     {
 126         struct entry* dc = local_tc->dircache;
 127         struct entry* e = &dc[selected_item];
 128         name = e->name;
 129         attr = e->attr;
 130     }
 131
 132     if(!(attr & ATTR_DIRECTORY))
 133     {
 134         switch(global_settings.show_filename_ext)
 135         {
 136             case 0:
 137                 /* show file extension: off */
 138                 stripit = true;
 139                 break;
 140             case 1:
 141                 /* show file extension: on */
 142                 break;
 143             case 2:
 144                 /* show file extension: only unknown types */
 145                 stripit = filetype_supported(attr);
 146                 break;
 147             case 3:
 148             default:
 149                 /* show file extension: only when viewing all */
 150                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 151                           (*(local_tc->dirfilter) != SHOW_ALL);
 152                 break;
 153         }
 154     }
 155
 156     if(stripit)
 157     {
 158         return(strip_extension(buffer, buffer_len, name));
 159     }
 160     return(name);
 161 }
 162
 163 #ifdef HAVE_LCD_COLOR
 164 static int tree_get_filecolor(int selected_item, void * data)
 165 {
 166     if (*tc.dirfilter == SHOW_ID3DB)
 167         return -1;
 168     struct tree_context * local_tc=(struct tree_context *)data;
 169     struct entry* dc = local_tc->dircache;
 170     struct entry* e = &dc[selected_item];
 171     return filetype_get_color(e->name, e->attr);
 172 }
 173 #endif
 174
 175 static enum themable_icons tree_get_fileicon(int selected_item, void * data)
 176 {
 177     struct tree_context * local_tc=(struct tree_context *)data;
 178 #ifdef HAVE_TAGCACHE
 179     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 180     if (id3db) {
 181         return tagtree_get_icon(&tc);
 182     }
 183     else
 184 #endif
 185         {
 186         struct entry* dc = local_tc->dircache;
 187         struct entry* e = &dc[selected_item];
 188         return filetype_get_icon(e->attr);
 189     }
 190 }
 191
 192 static int tree_voice_cb(int selected_item, void * data)
 193 {
 194     struct tree_context * local_tc=(struct tree_context *)data;
 195     char *name;
 196     int attr=0;
 197 #ifdef HAVE_TAGCACHE
 198     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 199
 200     if (id3db)
 201     {
 202         attr = tagtree_get_attr(local_tc);
 203         name = tagtree_get_entry(local_tc, selected_item)->name;
 204     }
 205     else
 206 #endif
 207     {
 208         struct entry* dc = local_tc->dircache;
 209         struct entry* e = &dc[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
 328     /* use lastfile to determine the selected item (default=0) */
 329     for (i=0; i < tc.filesindir; i++)
 330     {
 331         struct entry* dc = tc.dircache;
 332         struct entry* e = &dc[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 || tc.filesindir == global_settings.max_files_in_dir) )
 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 (global_settings.show_path_in_browser &&
 420             *(tc.dirfilter) == SHOW_PLUGINS)
 421         {
 422             char *title;
 423             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 424                 title = str(LANG_PLUGIN_GAMES);
 425             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 426                 title = str(LANG_PLUGIN_APPS);
 427             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 428                 title = str(LANG_PLUGIN_DEMOS);
 429             else title = str(LANG_PLUGINS);
 430             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 431         }
 432         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 433         {
 434             gui_synclist_set_title(&tree_lists, tc.currdir,
 435                 filetype_get_icon(ATTR_DIRECTORY));
 436         }
 437         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 438         {
 439             char *title = strrchr(tc.currdir, '/') + 1;
 440             if (*title == '\0')
 441             {
 442                 /* Display "Files" for the root dir */
 443                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 444                     filetype_get_icon(ATTR_DIRECTORY));
 445             }
 446             else
 447                 gui_synclist_set_title(&tree_lists, title,
 448                     filetype_get_icon(ATTR_DIRECTORY));
 449         }
 450         else
 451         {
 452             /* Must clear the title as the list is reused */
 453             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 454         }
 455 #endif
 456     }
 457
 458     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 459     gui_synclist_set_icon_callback(&tree_lists,
 460                                    global_settings.show_icons?tree_get_fileicon:NULL);
 461     if( tc.selected_item >= tc.filesindir)
 462         tc.selected_item=tc.filesindir-1;
 463
 464     gui_synclist_select_item(&tree_lists, tc.selected_item);
 465 #ifdef HAVE_BUTTONBAR
 466     if (global_settings.buttonbar) {
 467         if (*tc.dirfilter < NUM_FILTER_MODES)
 468             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 469                           str(LANG_SYSFONT_DIRBROWSE_F2),
 470                           str(LANG_SYSFONT_DIRBROWSE_F3));
 471         else
 472             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 473         gui_buttonbar_draw(&tree_buttonbar);
 474     }
 475 #endif
 476     gui_synclist_draw(&tree_lists);
 477     gui_synclist_speak_item(&tree_lists);
 478     return tc.filesindir;
 479 }
 480
 481 /* load tracks from specified directory to resume play */
 482 void resume_directory(const char *dir)
 483 {
 484     int dirfilter = *tc.dirfilter;
 485     int ret;
 486 #ifdef HAVE_TAGCACHE
 487     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 488 #endif
 489     /* make sure the dirfilter is sane. The only time it should be possible
 490      * thats its not is when resume playlist is called from a plugin
 491      */
 492 #ifdef HAVE_TAGCACHE
 493     if (!id3db)
 494 #endif
 495         *tc.dirfilter = global_settings.dirfilter;
 496     ret = ft_load(&tc, dir);
 497     *tc.dirfilter = dirfilter;
 498     if (ret < 0)
 499         return;
 500     lastdir[0] = 0;
 501
 502     ft_build_playlist(&tc, 0);
 503
 504 #ifdef HAVE_TAGCACHE
 505     if (id3db)
 506         tagtree_load(&tc);
 507 #endif
 508 }
 509
 510 /* Returns the current working directory and also writes cwd to buf if
 511    non-NULL.  In case of error, returns NULL. */
 512 char *getcwd(char *buf, int size)
 513 {
 514     if (!buf)
 515         return tc.currdir;
 516     else if (size > 0)
 517     {
 518         strlcpy(buf, tc.currdir, size);
 519         return buf;
 520     }
 521     else
 522         return NULL;
 523 }
 524
 525 /* Force a reload of the directory next time directory browser is called */
 526 void reload_directory(void)
 527 {
 528     reload_dir = true;
 529 }
 530
 531 void get_current_file(char* buffer, int buffer_len)
 532 {
 533 #ifdef HAVE_TAGCACHE
 534     /* in ID3DB mode it is a bad idea to call this function */
 535     /* (only happens with `follow playlist') */
 536     if( *tc.dirfilter == SHOW_ID3DB )
 537         return;
 538 #endif
 539
 540     struct entry* dc = tc.dircache;
 541     struct entry* e = &dc[tc.selected_item];
 542     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 543                                           tc.dirlength ? e->name : "");
 544 }
 545
 546 /* Allow apps to change our dirfilter directly (required for sub browsers)
 547    if they're suddenly going to become a file browser for example */
 548 void set_dirfilter(int l_dirfilter)
 549 {
 550     *tc.dirfilter = l_dirfilter;
 551 }
 552
 553 /* Selects a file and update tree context properly */
 554 void set_current_file(char *path)
 555 {
 556     char *name;
 557     int i;
 558
 559 #ifdef HAVE_TAGCACHE
 560     /* in ID3DB mode it is a bad idea to call this function */
 561     /* (only happens with `follow playlist') */
 562     if( *tc.dirfilter == SHOW_ID3DB )
 563         return;
 564 #endif
 565
 566     /* separate directory from filename */
 567     /* gets the directory's name and put it into tc.currdir */
 568     name = strrchr(path+1,'/');
 569     if (name)
 570     {
 571         *name = 0;
 572         strcpy(tc.currdir, path);
 573         *name = '/';
 574         name++;
 575     }
 576     else
 577     {
 578         strcpy(tc.currdir, "/");
 579         name = path+1;
 580     }
 581
 582     strcpy(lastfile, name);
 583
 584
 585     /* If we changed dir we must recalculate the dirlevel
 586        and adjust the selected history properly */
 587     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 588     {
 589         tc.dirlevel =  0;
 590         tc.selected_item_history[tc.dirlevel] = -1;
 591
 592         /* use '/' to calculate dirlevel */
 593         for (i = 1; path[i] != '\0'; i++)
 594         {
 595             if (path[i] == '/')
 596             {
 597                 tc.dirlevel++;
 598                 tc.selected_item_history[tc.dirlevel] = -1;
 599             }
 600         }
 601     }
 602     if (ft_load(&tc, NULL) >= 0)
 603     {
 604         tc.selected_item = tree_get_file_position(lastfile);
 605     }
 606 }
 607
 608
 609 /* main loop, handles key events */
 610 static int dirbrowse()
 611 {
 612     int numentries=0;
 613     char buf[MAX_PATH];
 614     int button, oldbutton;
 615     bool reload_root = false;
 616     int lastfilter = *tc.dirfilter;
 617     bool lastsortcase = global_settings.sort_case;
 618     bool exit_func = false;
 619
 620     char* currdir = tc.currdir; /* just a shortcut */
 621 #ifdef HAVE_TAGCACHE
 622     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 623
 624     if (id3db)
 625         curr_context=CONTEXT_ID3DB;
 626     else
 627 #endif
 628         curr_context=CONTEXT_TREE;
 629     if (tc.selected_item < 0)
 630         tc.selected_item = 0;
 631 #ifdef HAVE_TAGCACHE
 632     tc.firstpos = 0;
 633     lasttable = -1;
 634     lastextra = -1;
 635     lastfirstpos = 0;
 636 #endif
 637
 638     start_wps = false;
 639     numentries = update_dir();
 640     reload_dir = false;
 641     if (numentries == -1)
 642         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 643
 644     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 645     {
 646         splash(HZ*2, ID2P(LANG_NO_FILES));
 647         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 648     }
 649
 650     gui_synclist_draw(&tree_lists);
 651     while(1) {
 652         struct entry *dircache = tc.dircache;
 653         bool restore = false;
 654         if (tc.dirlevel < 0)
 655             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 656 #ifdef BOOTFILE
 657         if (boot_changed) {
 658             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 659             static const struct text_message message={lines, 2};
 660             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 661                 rolo_load("/" BOOTFILE);
 662             restore = true;
 663             boot_changed = false;
 664         }
 665 #endif
 666         button = get_action(CONTEXT_TREE,
 667                             list_do_action_timeout(&tree_lists, HZ/2));
 668         oldbutton = button;
 669         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 670         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 671         switch ( button ) {
 672             case ACTION_STD_OK:
 673                 /* nothing to do if no files to display */
 674                 if ( numentries == 0 )
 675                     break;
 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 1: reload_dir = true; break;
 684                     case 2: start_wps = true; break;
 685                     case 3: exit_func = true; break;
 686                     default: break;
 687                 }
 688                 restore = true;
 689                 break;
 690
 691             case ACTION_STD_CANCEL:
 692                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 693                     exit_func = true;
 694                     break;
 695                 }
 696                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 697                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 698                 {
 699 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 700                     if (oldbutton == ACTION_TREE_PGLEFT)
 701                         break;
 702                     else
 703 #endif
 704                         return GO_TO_ROOT;
 705                 }
 706
 707 #ifdef HAVE_TAGCACHE
 708                 if (id3db)
 709                     tagtree_exit(&tc);
 710                 else
 711 #endif
 712                     if (ft_exit(&tc) == 3)
 713                         exit_func = true;
 714
 715                 restore = true;
 716                 break;
 717
 718             case ACTION_TREE_STOP:
 719                 if (list_stop_handler())
 720                     restore = true;
 721                 break;
 722
 723             case ACTION_STD_MENU:
 724                 return GO_TO_ROOT;
 725                 break;
 726
 727 #ifdef HAVE_RECORDING
 728             case ACTION_STD_REC:
 729                 return GO_TO_RECSCREEN;
 730 #endif
 731
 732             case ACTION_TREE_WPS:
 733                 return GO_TO_PREVIOUS_MUSIC;
 734                 break;
 735 #ifdef HAVE_QUICKSCREEN
 736             case ACTION_STD_QUICKSCREEN:
 737                 /* don't enter f2 from plugin browser */
 738                 if (*tc.dirfilter < NUM_FILTER_MODES)
 739                 {
 740                     if (quick_screen_quick(button))
 741                         reload_dir = true;
 742                     restore = true;
 743                 }
 744                 break;
 745 #endif
 746 #ifdef BUTTON_F3
 747             case ACTION_F3:
 748                 /* don't enter f3 from plugin browser */
 749                 if (*tc.dirfilter < NUM_FILTER_MODES)
 750                 {
 751                     if (quick_screen_f3(ACTION_F3))
 752                         reload_dir = true;
 753                     restore = true;
 754                 }
 755                 break;
 756 #endif
 757
 758             case ACTION_STD_CONTEXT:
 759             case ACTION_TREE_HOTKEY:
 760             {
 761                 bool hotkey = button == ACTION_TREE_HOTKEY;
 762                 int onplay_result;
 763                 int attr = 0;
 764
 765                 if(!numentries)
 766                     onplay_result = onplay(NULL, 0, curr_context, hotkey);
 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, hotkey);
 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 #ifdef HAVE_HOTSWAP
 815             case SYS_FS_CHANGED:
 816 #ifdef HAVE_TAGCACHE
 817                 if (!id3db)
 818 #endif
 819                     reload_dir = true;
 820                 /* The 'dir no longer valid' situation will be caught later
 821                  * by checking the showdir() result. */
 822                 break;
 823 #endif
 824
 825             default:
 826                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 827                 {
 828                     if(*tc.dirfilter > NUM_FILTER_MODES)
 829                         /* leave sub-browsers after usb, doing otherwise
 830                            might be confusing to the user */
 831                         exit_func = true;
 832                     else
 833                         reload_dir = true;
 834                 }
 835                 break;
 836         }
 837         if (start_wps)
 838             return GO_TO_WPS;
 839         if (button && !IS_SYSEVENT(button))
 840         {
 841             storage_spin();
 842         }
 843
 844
 845     check_rescan:
 846         /* do we need to rescan dir? */
 847         if (reload_dir || reload_root ||
 848             lastfilter != *tc.dirfilter ||
 849             lastsortcase != global_settings.sort_case)
 850         {
 851             if (reload_root) {
 852                 strcpy(currdir, "/");
 853                 tc.dirlevel = 0;
 854 #ifdef HAVE_TAGCACHE
 855                 tc.currtable = 0;
 856                 tc.currextra = 0;
 857                 lasttable = -1;
 858                 lastextra = -1;
 859 #endif
 860                 reload_root = false;
 861             }
 862
 863             if (!reload_dir)
 864             {
 865                 gui_synclist_select_item(&tree_lists, 0);
 866                 gui_synclist_draw(&tree_lists);
 867                 tc.selected_item = 0;
 868                 lastdir[0] = 0;
 869             }
 870
 871             lastfilter = *tc.dirfilter;
 872             lastsortcase = global_settings.sort_case;
 873             restore = true;
 874         }
 875
 876         if (exit_func)
 877             return GO_TO_PREVIOUS;
 878
 879         if (restore || reload_dir) {
 880             /* restore display */
 881             numentries = update_dir();
 882             reload_dir = false;
 883             if (currdir[1] && (numentries < 0))
 884             {   /* not in root and reload failed */
 885                 reload_root = true; /* try root */
 886                 goto check_rescan;
 887             }
 888         }
 889     }
 890     return true;
 891 }
 892
 893 bool create_playlist(void)
 894 {
 895     char filename[MAX_PATH];
 896
 897     snprintf(filename, sizeof filename, "%s.m3u8",
 898              tc.currdir[1] ? tc.currdir : "/root");
 899     splashf(0, "%s %s", str(LANG_CREATING), filename);
 900
 901     trigger_cpu_boost();
 902     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 903     cancel_cpu_boost();
 904
 905     return true;
 906 }
 907
 908 int rockbox_browse(const char *root, int dirfilter)
 909 {
 910     int ret_val = 0;
 911     int *last_filter = tc.dirfilter;
 912     tc.dirfilter = &dirfilter;
 913     tc.sort_dir = global_settings.sort_dir;
 914
 915     reload_dir = true;
 916     if (dirfilter >= NUM_FILTER_MODES)
 917     {
 918         static struct tree_context backup;
 919         char current[MAX_PATH];
 920         int last_context;
 921
 922         backup = tc;
 923         tc.selected_item = 0;
 924         tc.dirlevel = 0;
 925         memcpy(tc.currdir, root, sizeof(tc.currdir));
 926         start_wps = false;
 927         last_context = curr_context;
 928
 929         /* Center on the currently loaded language when browsing languages. */
 930         if (dirfilter == SHOW_LNG)
 931         {
 932             if (global_settings.lang_file[0])
 933             {
 934                 snprintf(current, sizeof(current), LANG_DIR "/%s.lng",
 935                         global_settings.lang_file);
 936             }
 937             else
 938             {
 939                 strlcpy(current, LANG_DIR "/english.lng", sizeof(current));
 940             }
 941         }
 942         /* Center on currently loaded WPS */
 943         else if (dirfilter == SHOW_WPS)
 944         {
 945             snprintf(current, sizeof(current), WPS_DIR "/%s.wps",
 946                     global_settings.wps_file);
 947         }
 948 #ifdef HAVE_REMOTE_LCD
 949         /* Center on currently loaded RWPS */
 950         else if (dirfilter == SHOW_RWPS)
 951         {
 952             snprintf(current, sizeof(current), WPS_DIR "/%s.rwps",
 953                     global_settings.rwps_file);
 954         }
 955         else if (dirfilter == SHOW_RSBS)
 956         {
 957             snprintf(current, sizeof(current), SBS_DIR "/%s.rsbs",
 958                     global_settings.rsbs_file);
 959         }
 960 #endif
 961 #ifdef HAVE_LCD_BITMAP
 962         /* Center on the currently loaded font when browsing fonts */
 963         else if (dirfilter == SHOW_FONT)
 964         {
 965             snprintf(current, sizeof(current), FONT_DIR "/%s.fnt",
 966                     global_settings.font_file);
 967         }
 968         else if (dirfilter == SHOW_SBS)
 969         {
 970             snprintf(current, sizeof(current), SBS_DIR "/%s.sbs",
 971                     global_settings.sbs_file);
 972         }
 973 #endif
 974 #if CONFIG_TUNER
 975         /* Center on the currently loaded FM preset when browsing those */
 976         else if (dirfilter == SHOW_FMR)
 977         {
 978             snprintf(current, sizeof(current), FMPRESET_PATH "/%s.fmr",
 979                     global_settings.fmr_file);
 980         }
 981 #endif
 982         else /* reset current[] */
 983             current[0] = '\0';
 984
 985         /* If we've found a file to center on, do it */
 986         if (current[0] == '/')
 987         {
 988             set_current_file(current);
 989             /* set_current_file changes dirlevel, change it back */
 990             tc.dirlevel = 0;
 991         }
 992
 993         ret_val = dirbrowse();
 994         tc = backup;
 995         curr_context = last_context;
 996     }
 997     else
 998     {
 999         static char buf[MAX_PATH];
1000         if (dirfilter != SHOW_ID3DB)
1001             tc.dirfilter = &global_settings.dirfilter;
1002         strcpy(buf,root);
1003         set_current_file(buf);
1004         ret_val = dirbrowse();
1005     }
1006     tc.dirfilter = last_filter;
1007     return ret_val;
1008 }
1009
1010 void tree_mem_init(void)
1011 {
1012     /* We copy the settings value in case it is changed by the user. We can't
1013        use it until the next reboot. */
1014     max_files = global_settings.max_files_in_dir;
1015
1016     /* initialize tree context struct */
1017     memset(&tc, 0, sizeof(tc));
1018     tc.dirfilter = &global_settings.dirfilter;
1019     tc.sort_dir = global_settings.sort_dir;
1020
1021     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1022     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1023
1024     tc.dircache_size = max_files * sizeof(struct entry);
1025     tc.dircache = buffer_alloc(tc.dircache_size);
1026     tree_get_filetypes(&filetypes, &filetypes_count);
1027 }
1028
1029 bool bookmark_play(char *resume_file, int index, int offset, int seed,
1030                    char *filename)
1031 {
1032     int i;
1033     char* suffix = strrchr(resume_file, '.');
1034     bool started = false;
1035
1036     if (suffix != NULL &&
1037         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1038     {
1039         /* Playlist playback */
1040         char* slash;
1041         /* check that the file exists */
1042         if(!file_exists(resume_file))
1043             return false;
1044
1045         slash = strrchr(resume_file,'/');
1046         if (slash)
1047         {
1048             char* cp;
1049             *slash=0;
1050
1051             cp=resume_file;
1052             if (!cp[0])
1053                 cp="/";
1054
1055             if (playlist_create(cp, slash+1) != -1)
1056             {
1057                 if (global_settings.playlist_shuffle)
1058                     playlist_shuffle(seed, -1);
1059                 playlist_start(index,offset);
1060                 started = true;
1061             }
1062             *slash='/';
1063         }
1064     }
1065     else
1066     {
1067         /* Directory playback */
1068         lastdir[0]='\0';
1069         if (playlist_create(resume_file, NULL) != -1)
1070         {
1071             char* peek_filename;
1072             resume_directory(resume_file);
1073             if (global_settings.playlist_shuffle)
1074                 playlist_shuffle(seed, -1);
1075
1076             /* Check if the file is at the same spot in the directory,
1077                else search for it */
1078             peek_filename = playlist_peek(index);
1079
1080             if (peek_filename == NULL)
1081             {
1082                 /* playlist has shrunk, search from the top */
1083                 index = 0;
1084                 peek_filename = playlist_peek(index);
1085                 if (peek_filename == NULL)
1086                     return false;
1087             }
1088
1089             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1090             {
1091                 for ( i=0; i < playlist_amount(); i++ )
1092                 {
1093                     peek_filename = playlist_peek(i);
1094
1095                     if (peek_filename == NULL)
1096                         return false;
1097
1098                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1099                         break;
1100                 }
1101                 if (i < playlist_amount())
1102                     index = i;
1103                 else
1104                     return false;
1105             }
1106             playlist_start(index,offset);
1107             started = true;
1108         }
1109     }
1110
1111     if (started)
1112         start_wps = true;
1113     return started;
1114 }
1115
1116 static void say_filetype(int attr)
1117 {
1118     /* try to find a voice ID for the extension, if known */
1119     int j;
1120     attr &= FILE_ATTR_MASK; /* file type */
1121     for (j=0; j<filetypes_count; j++)
1122         if (attr == filetypes[j].tree_attr)
1123         {
1124             talk_id(filetypes[j].voiceclip, true);
1125             return;
1126         }
1127 }
1128
1129 static int ft_play_dirname(char* name)
1130 {
1131 #if CONFIG_CODEC != SWCODEC
1132     if (audio_status() & AUDIO_STATUS_PLAY)
1133         return 0;
1134 #endif
1135
1136     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1137                  NULL, false))
1138     {
1139         if(global_settings.talk_filetype)
1140             talk_id(VOICE_DIR, true);
1141         return 1;
1142     }
1143     else
1144         return -1;
1145 }
1146
1147 static void ft_play_filename(char *dir, char *file)
1148 {
1149 #if CONFIG_CODEC != SWCODEC
1150     if (audio_status() & AUDIO_STATUS_PLAY)
1151         return;
1152 #endif
1153
1154     if (strlen(file) >= strlen(file_thumbnail_ext)
1155         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1156                       file_thumbnail_ext))
1157         /* file has no .talk extension */
1158         talk_file(dir, NULL, file, file_thumbnail_ext,
1159                   NULL, false);
1160     else
1161         /* it already is a .talk file, play this directly, but prefix it. */
1162         talk_file(dir, NULL, file, NULL,
1163                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1164 }
1165
1166 /* These two functions are called by the USB and shutdown handlers */
1167 void tree_flush(void)
1168 {
1169 #ifdef HAVE_TAGCACHE
1170     tagcache_shutdown();
1171 #endif
1172
1173 #ifdef HAVE_TC_RAMCACHE
1174     tagcache_unload_ramcache();
1175 #endif
1176
1177 #ifdef HAVE_DIRCACHE
1178     {
1179         int old_val = global_status.dircache_size;
1180         if (global_settings.dircache)
1181         {
1182             if (!dircache_is_initializing())
1183                 global_status.dircache_size = dircache_get_cache_size();
1184 # ifdef HAVE_EEPROM_SETTINGS
1185             if (firmware_settings.initialized)
1186                 dircache_save();
1187 # endif
1188             dircache_disable();
1189         }
1190         else
1191         {
1192             global_status.dircache_size = 0;
1193         }
1194         if (old_val != global_status.dircache_size)
1195             status_save();
1196     }
1197 #endif
1198 }
1199
1200 void tree_restore(void)
1201 {
1202 #ifdef HAVE_EEPROM_SETTINGS
1203     firmware_settings.disk_clean = false;
1204 #endif
1205
1206 #ifdef HAVE_TC_RAMCACHE
1207     remove(TAGCACHE_STATEFILE);
1208 #endif
1209
1210 #ifdef HAVE_DIRCACHE
1211     remove(DIRCACHE_FILE);
1212     if (global_settings.dircache)
1213     {
1214         /* Print "Scanning disk..." to the display. */
1215         splash(0, str(LANG_SCANNING_DISK));
1216
1217         dircache_build(global_status.dircache_size);
1218     }
1219 #endif
1220 #ifdef HAVE_TAGCACHE
1221     tagcache_start_scan();
1222 #endif
1223 }