apps/tree.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Daniel Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <stdbool.h>
  24 #include "string-extra.h"
  25
  26 #include "applimits.h"
  27 #include "dir.h"
  28 #include "file.h"
  29 #include "lcd.h"
  30 #include "font.h"
  31 #include "button.h"
  32 #include "kernel.h"
  33 #include "usb.h"
  34 #include "tree.h"
  35 #include "audio.h"
  36 #include "playlist.h"
  37 #include "menu.h"
  38 #include "skin_engine/skin_engine.h"
  39 #include "settings.h"
  40 #include "debug.h"
  41 #include "storage.h"
  42 #include "rolo.h"
  43 #include "icons.h"
  44 #include "lang.h"
  45 #include "screens.h"
  46 #include "keyboard.h"
  47 #include "bookmark.h"
  48 #include "onplay.h"
  49 #include "buffer.h"
  50 #include "power.h"
  51 #include "action.h"
  52 #include "talk.h"
  53 #include "filetypes.h"
  54 #include "misc.h"
  55 #include "filefuncs.h"
  56 #include "filetree.h"
  57 #include "tagtree.h"
  58 #ifdef HAVE_RECORDING
  59 #include "recorder/recording.h"
  60 #endif
  61 #include "rtc.h"
  62 #include "dircache.h"
  63 #ifdef HAVE_TAGCACHE
  64 #include "tagcache.h"
  65 #endif
  66 #include "yesno.h"
  67 #include "eeprom_settings.h"
  68 #include "playlist_catalog.h"
  69
  70 /* gui api */
  71 #include "list.h"
  72 #include "splash.h"
  73 #include "buttonbar.h"
  74 #include "quickscreen.h"
  75 #include "appevents.h"
  76
  77 #include "root_menu.h"
  78
  79 static const struct filetype *filetypes;
  80 static int filetypes_count;
  81
  82 struct gui_synclist tree_lists;
  83
  84 /* I put it here because other files doesn't use it yet,
  85  * but should be elsewhere since it will be used mostly everywhere */
  86 #ifdef HAVE_BUTTONBAR
  87 static struct gui_buttonbar tree_buttonbar;
  88 #endif
  89 static struct tree_context tc;
  90
  91 bool boot_changed = false;
  92
  93 char lastfile[MAX_PATH];
  94 static char lastdir[MAX_PATH];
  95 #ifdef HAVE_TAGCACHE
  96 static int lasttable, lastextra, lastfirstpos;
  97 #endif
  98 static int max_files = 0;
  99
 100 static bool reload_dir = false;
 101
 102 static bool start_wps = false;
 103 static int curr_context = false;/* id3db or tree*/
 104
 105 static int dirbrowse(void);
 106 static int ft_play_dirname(char* name);
 107 static void ft_play_filename(char *dir, char *file);
 108 static void say_filetype(int attr);
 109
 110 static const char* tree_get_filename(int selected_item, void *data,
 111                                      char *buffer, size_t buffer_len)
 112 {
 113     struct tree_context * local_tc=(struct tree_context *)data;
 114     char *name;
 115     int attr=0;
 116     bool stripit = false;
 117 #ifdef HAVE_TAGCACHE
 118     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 119
 120     if (id3db)
 121     {
 122         return tagtree_get_entry(&tc, selected_item)->name;
 123     }
 124     else
 125 #endif
 126     {
 127         struct entry* dc = local_tc->dircache;
 128         struct entry* e = &dc[selected_item];
 129         name = e->name;
 130         attr = e->attr;
 131     }
 132
 133     if(!(attr & ATTR_DIRECTORY))
 134     {
 135         switch(global_settings.show_filename_ext)
 136         {
 137             case 0:
 138                 /* show file extension: off */
 139                 stripit = true;
 140                 break;
 141             case 1:
 142                 /* show file extension: on */
 143                 break;
 144             case 2:
 145                 /* show file extension: only unknown types */
 146                 stripit = filetype_supported(attr);
 147                 break;
 148             case 3:
 149             default:
 150                 /* show file extension: only when viewing all */
 151                 stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) &&
 152                           (*(local_tc->dirfilter) != SHOW_ALL);
 153                 break;
 154         }
 155     }
 156
 157     if(stripit)
 158     {
 159         return(strip_extension(buffer, buffer_len, name));
 160     }
 161     return(name);
 162 }
 163
 164 #ifdef HAVE_LCD_COLOR
 165 static int tree_get_filecolor(int selected_item, void * data)
 166 {
 167     if (*tc.dirfilter == SHOW_ID3DB)
 168         return -1;
 169     struct tree_context * local_tc=(struct tree_context *)data;
 170     struct entry* dc = local_tc->dircache;
 171     struct entry* e = &dc[selected_item];
 172     return filetype_get_color(e->name, e->attr);
 173 }
 174 #endif
 175
 176 static enum themable_icons tree_get_fileicon(int selected_item, void * data)
 177 {
 178     struct tree_context * local_tc=(struct tree_context *)data;
 179 #ifdef HAVE_TAGCACHE
 180     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 181     if (id3db) {
 182         return tagtree_get_icon(&tc);
 183     }
 184     else
 185 #endif
 186         {
 187         struct entry* dc = local_tc->dircache;
 188         struct entry* e = &dc[selected_item];
 189         return filetype_get_icon(e->attr);
 190     }
 191 }
 192
 193 static int tree_voice_cb(int selected_item, void * data)
 194 {
 195     struct tree_context * local_tc=(struct tree_context *)data;
 196     char *name;
 197     int attr=0;
 198 #ifdef HAVE_TAGCACHE
 199     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 200
 201     if (id3db)
 202     {
 203         attr = tagtree_get_attr(local_tc);
 204         name = tagtree_get_entry(local_tc, selected_item)->name;
 205     }
 206     else
 207 #endif
 208     {
 209         struct entry* dc = local_tc->dircache;
 210         struct entry* e = &dc[selected_item];
 211         name = e->name;
 212         attr = e->attr;
 213     }
 214     bool is_dir = (attr & ATTR_DIRECTORY);
 215     bool did_clip = false;
 216     /* First the .talk clip case */
 217     if(is_dir)
 218     {
 219         if(global_settings.talk_dir_clip)
 220         {
 221             did_clip = true;
 222             if(ft_play_dirname(name) <0)
 223                 /* failed, not existing */
 224                 did_clip = false;
 225         }
 226     } else { /* it's a file */
 227         if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL))
 228         {
 229             did_clip = true;
 230             ft_play_filename(local_tc->currdir, name);
 231         }
 232     }
 233     if(!did_clip)
 234     {
 235         /* say the number or spell if required or as a fallback */
 236         switch (is_dir ? global_settings.talk_dir : global_settings.talk_file)
 237         {
 238         case 1: /* as numbers */
 239             talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false);
 240             talk_number(selected_item+1        - (is_dir ? 0 : local_tc->dirsindir),
 241                         true);
 242             if(global_settings.talk_filetype
 243                && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES)
 244                 say_filetype(attr);
 245             break;
 246         case 2: /* spelled */
 247             talk_shutup();
 248             if(global_settings.talk_filetype)
 249             {
 250                 if(is_dir)
 251                     talk_id(VOICE_DIR, true);
 252                 else if(*local_tc->dirfilter < NUM_FILTER_MODES)
 253                     say_filetype(attr);
 254             }
 255             talk_spell(name, true);
 256             break;
 257         }
 258     }
 259     return 0;
 260 }
 261
 262 bool check_rockboxdir(void)
 263 {
 264     char path[MAX_PATH];
 265     if(!dir_exists(get_user_file_path(ROCKBOX_DIR, 0, path, sizeof(path))))
 266     {   /* No need to localise this message.
 267            If .rockbox is missing, it wouldn't work anyway */
 268         int i;
 269         FOR_NB_SCREENS(i)
 270             screens[i].clear_display();
 271         splash(HZ*2, "No .rockbox directory");
 272         FOR_NB_SCREENS(i)
 273             screens[i].clear_display();
 274         splash(HZ*2, "Installation incomplete");
 275         return false;
 276     }
 277     return true;
 278 }
 279
 280 /* do this really late in the init sequence */
 281 void tree_gui_init(void)
 282 {
 283     check_rockboxdir();
 284
 285     strcpy(tc.currdir, "/");
 286
 287 #ifdef HAVE_LCD_CHARCELLS
 288     int i;
 289     FOR_NB_SCREENS(i)
 290         screens[i].double_height(false);
 291 #endif
 292 #ifdef HAVE_BUTTONBAR
 293     gui_buttonbar_init(&tree_buttonbar);
 294     /* since archos only have one screen, no need to create more than that */
 295     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 296 #endif
 297     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 298     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 299     gui_synclist_set_icon_callback(&tree_lists,
 300                                     global_settings.show_icons?&tree_get_fileicon:NULL);
 301 #ifdef HAVE_LCD_COLOR
 302     gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor);
 303 #endif
 304 }
 305
 306
 307 /* drawer function for the GUI_EVENT_REDRAW callback */
 308 void tree_drawlists(void)
 309 {
 310     /* band-aid to fix the bar/list redrawing properly after leaving a plugin */
 311     send_event(GUI_EVENT_THEME_CHANGED, NULL);
 312     /* end bandaid */
 313     gui_synclist_draw(&tree_lists);
 314 }
 315
 316
 317 struct tree_context* tree_get_context(void)
 318 {
 319     return &tc;
 320 }
 321
 322 /*
 323  * Returns the position of a given file in the current directory
 324  * returns -1 if not found
 325  */
 326 static int tree_get_file_position(char * filename)
 327 {
 328     int i;
 329
 330     /* use lastfile to determine the selected item (default=0) */
 331     for (i=0; i < tc.filesindir; i++)
 332     {
 333         struct entry* dc = tc.dircache;
 334         struct entry* e = &dc[i];
 335         if (!strcasecmp(e->name, filename))
 336             return(i);
 337     }
 338     return(-1);/* no file can match, returns undefined */
 339 }
 340
 341 /*
 342  * Called when a new dir is loaded (for example when returning from other apps ...)
 343  * also completely redraws the tree
 344  */
 345 static int update_dir(void)
 346 {
 347     bool changed = false;
 348 #ifdef HAVE_TAGCACHE
 349     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 350     /* Checks for changes */
 351     if (id3db) {
 352         if (tc.currtable != lasttable ||
 353             tc.currextra != lastextra ||
 354             tc.firstpos  != lastfirstpos ||
 355             reload_dir)
 356         {
 357             if (tagtree_load(&tc) < 0)
 358                 return -1;
 359
 360             lasttable = tc.currtable;
 361             lastextra = tc.currextra;
 362             lastfirstpos = tc.firstpos;
 363             changed = true;
 364         }
 365     }
 366     else
 367 #endif
 368     {
 369         /* if the tc.currdir has been changed, reload it ...*/
 370         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 371         {
 372             if (ft_load(&tc, NULL) < 0)
 373                 return -1;
 374             strcpy(lastdir, tc.currdir);
 375             changed = true;
 376         }
 377     }
 378     /* if selected item is undefined */
 379     if (tc.selected_item == -1)
 380     {
 381         /* use lastfile to determine the selected item */
 382         tc.selected_item = tree_get_file_position(lastfile);
 383
 384         /* If the file doesn't exists, select the first one (default) */
 385         if(tc.selected_item < 0)
 386             tc.selected_item = 0;
 387         changed = true;
 388     }
 389     if (changed)
 390     {
 391         if(
 392 #ifdef HAVE_TAGCACHE
 393         !id3db &&
 394 #endif
 395         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 396         {
 397             splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 398         }
 399     }
 400 #ifdef HAVE_TAGCACHE
 401     if (id3db)
 402     {
 403 #ifdef HAVE_LCD_BITMAP
 404         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 405             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 406         {
 407             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 408                 filetype_get_icon(ATTR_DIRECTORY));
 409         }
 410         else
 411         {
 412             /* Must clear the title as the list is reused */
 413             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 414         }
 415 #endif
 416     }
 417     else
 418 #endif
 419     {
 420 #ifdef HAVE_LCD_BITMAP
 421         if (global_settings.show_path_in_browser &&
 422             *(tc.dirfilter) == SHOW_PLUGINS)
 423         {
 424             char *title;
 425             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 426                 title = str(LANG_PLUGIN_GAMES);
 427             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 428                 title = str(LANG_PLUGIN_APPS);
 429             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 430                 title = str(LANG_PLUGIN_DEMOS);
 431             else title = str(LANG_PLUGINS);
 432             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 433         }
 434         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 435         {
 436             gui_synclist_set_title(&tree_lists, tc.currdir,
 437                 filetype_get_icon(ATTR_DIRECTORY));
 438         }
 439         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 440         {
 441             char *title = strrchr(tc.currdir, '/') + 1;
 442             if (*title == '\0')
 443             {
 444                 /* Display "Files" for the root dir */
 445                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 446                     filetype_get_icon(ATTR_DIRECTORY));
 447             }
 448             else
 449                 gui_synclist_set_title(&tree_lists, title,
 450                     filetype_get_icon(ATTR_DIRECTORY));
 451         }
 452         else
 453         {
 454             /* Must clear the title as the list is reused */
 455             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 456         }
 457 #endif
 458     }
 459
 460     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 461     gui_synclist_set_icon_callback(&tree_lists,
 462                                    global_settings.show_icons?tree_get_fileicon:NULL);
 463     if( tc.selected_item >= tc.filesindir)
 464         tc.selected_item=tc.filesindir-1;
 465
 466     gui_synclist_select_item(&tree_lists, tc.selected_item);
 467 #ifdef HAVE_BUTTONBAR
 468     if (global_settings.buttonbar) {
 469         if (*tc.dirfilter < NUM_FILTER_MODES)
 470             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 471                           str(LANG_SYSFONT_DIRBROWSE_F2),
 472                           str(LANG_SYSFONT_DIRBROWSE_F3));
 473         else
 474             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 475         gui_buttonbar_draw(&tree_buttonbar);
 476     }
 477 #endif
 478     gui_synclist_draw(&tree_lists);
 479     gui_synclist_speak_item(&tree_lists);
 480     return tc.filesindir;
 481 }
 482
 483 /* load tracks from specified directory to resume play */
 484 void resume_directory(const char *dir)
 485 {
 486     int dirfilter = *tc.dirfilter;
 487     int ret;
 488 #ifdef HAVE_TAGCACHE
 489     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 490 #endif
 491     /* make sure the dirfilter is sane. The only time it should be possible
 492      * thats its not is when resume playlist is called from a plugin
 493      */
 494 #ifdef HAVE_TAGCACHE
 495     if (!id3db)
 496 #endif
 497         *tc.dirfilter = global_settings.dirfilter;
 498     ret = ft_load(&tc, dir);
 499     *tc.dirfilter = dirfilter;
 500     if (ret < 0)
 501         return;
 502     lastdir[0] = 0;
 503
 504     ft_build_playlist(&tc, 0);
 505
 506 #ifdef HAVE_TAGCACHE
 507     if (id3db)
 508         tagtree_load(&tc);
 509 #endif
 510 }
 511
 512 /* Returns the current working directory and also writes cwd to buf if
 513    non-NULL.  In case of error, returns NULL. */
 514 char *getcwd(char *buf, size_t size)
 515 {
 516     if (!buf)
 517         return tc.currdir;
 518     else if (size)
 519     {
 520         if (strlcpy(buf, tc.currdir, size) < size)
 521             return buf;
 522     }
 523     /* size == 0, or truncation in strlcpy */
 524     return NULL;
 525 }
 526
 527 /* Force a reload of the directory next time directory browser is called */
 528 void reload_directory(void)
 529 {
 530     reload_dir = true;
 531 }
 532
 533 char* get_current_file(char* buffer, size_t buffer_len)
 534 {
 535 #ifdef HAVE_TAGCACHE
 536     /* in ID3DB mode it is a bad idea to call this function */
 537     /* (only happens with `follow playlist') */
 538     if( *tc.dirfilter == SHOW_ID3DB )
 539         return NULL;
 540 #endif
 541
 542     struct entry* dc = tc.dircache;
 543     struct entry* e = &dc[tc.selected_item];
 544     if (getcwd(buffer, buffer_len))
 545     {
 546         if (tc.dirlength)
 547         {
 548             strlcat(buffer, "/", buffer_len);
 549             if (strlcat(buffer, e->name, buffer_len) >= buffer_len)
 550                 return NULL;
 551         }
 552         return buffer;
 553     }
 554     return NULL;
 555 }
 556
 557 /* Allow apps to change our dirfilter directly (required for sub browsers)
 558    if they're suddenly going to become a file browser for example */
 559 void set_dirfilter(int l_dirfilter)
 560 {
 561     *tc.dirfilter = l_dirfilter;
 562 }
 563
 564 /* Selects a file and update tree context properly */
 565 void set_current_file(char *path)
 566 {
 567     char *name;
 568     int i;
 569
 570 #ifdef HAVE_TAGCACHE
 571     /* in ID3DB mode it is a bad idea to call this function */
 572     /* (only happens with `follow playlist') */
 573     if( *tc.dirfilter == SHOW_ID3DB )
 574         return;
 575 #endif
 576
 577     /* separate directory from filename */
 578     /* gets the directory's name and put it into tc.currdir */
 579     name = strrchr(path+1,'/');
 580     if (name)
 581     {
 582         *name = 0;
 583         strcpy(tc.currdir, path);
 584         *name = '/';
 585         name++;
 586     }
 587     else
 588     {
 589         strcpy(tc.currdir, "/");
 590         name = path+1;
 591     }
 592
 593     strcpy(lastfile, name);
 594
 595
 596     /* If we changed dir we must recalculate the dirlevel
 597        and adjust the selected history properly */
 598     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 599     {
 600         tc.dirlevel =  0;
 601         tc.selected_item_history[tc.dirlevel] = -1;
 602
 603         /* use '/' to calculate dirlevel */
 604         for (i = 1; path[i] != '\0'; i++)
 605         {
 606             if (path[i] == '/')
 607             {
 608                 tc.dirlevel++;
 609                 tc.selected_item_history[tc.dirlevel] = -1;
 610             }
 611         }
 612     }
 613     if (ft_load(&tc, NULL) >= 0)
 614     {
 615         tc.selected_item = tree_get_file_position(lastfile);
 616     }
 617 }
 618
 619
 620 /* main loop, handles key events */
 621 static int dirbrowse()
 622 {
 623     int numentries=0;
 624     char buf[MAX_PATH];
 625     int button, oldbutton;
 626     bool reload_root = false;
 627     int lastfilter = *tc.dirfilter;
 628     bool lastsortcase = global_settings.sort_case;
 629     bool exit_func = false;
 630
 631     char* currdir = tc.currdir; /* just a shortcut */
 632 #ifdef HAVE_TAGCACHE
 633     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 634
 635     if (id3db)
 636         curr_context=CONTEXT_ID3DB;
 637     else
 638 #endif
 639         curr_context=CONTEXT_TREE;
 640     if (tc.selected_item < 0)
 641         tc.selected_item = 0;
 642 #ifdef HAVE_TAGCACHE
 643     tc.firstpos = 0;
 644     lasttable = -1;
 645     lastextra = -1;
 646     lastfirstpos = 0;
 647 #endif
 648
 649     start_wps = false;
 650     numentries = update_dir();
 651     reload_dir = false;
 652     if (numentries == -1)
 653         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 654
 655     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 656     {
 657         splash(HZ*2, ID2P(LANG_NO_FILES));
 658         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 659     }
 660
 661     gui_synclist_draw(&tree_lists);
 662     while(1) {
 663         struct entry *dircache = tc.dircache;
 664         bool restore = false;
 665         if (tc.dirlevel < 0)
 666             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 667 #ifdef BOOTFILE
 668         if (boot_changed) {
 669             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 670             static const struct text_message message={lines, 2};
 671             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 672                 rolo_load("/" BOOTFILE);
 673             restore = true;
 674             boot_changed = false;
 675         }
 676 #endif
 677         button = get_action(CONTEXT_TREE,
 678                             list_do_action_timeout(&tree_lists, HZ/2));
 679         oldbutton = button;
 680         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 681         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 682         switch ( button ) {
 683             case ACTION_STD_OK:
 684                 /* nothing to do if no files to display */
 685                 if ( numentries == 0 )
 686                     break;
 687
 688 #ifdef HAVE_TAGCACHE
 689                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 690 #else
 691                 switch (ft_enter(&tc))
 692 #endif
 693                 {
 694                     case GO_TO_FILEBROWSER: reload_dir = true; break;
 695                     case GO_TO_WPS:
 696                         return GO_TO_WPS;
 697 #if CONFIG_TUNER
 698                     case GO_TO_FM:
 699                         return GO_TO_FM;
 700 #endif
 701                     case GO_TO_ROOT: exit_func = true; break;
 702                     default: break;
 703                 }
 704                 restore = true;
 705                 break;
 706
 707             case ACTION_STD_CANCEL:
 708                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 709                     exit_func = true;
 710                     break;
 711                 }
 712                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 713                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 714                 {
 715 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 716                     if (oldbutton == ACTION_TREE_PGLEFT)
 717                         break;
 718                     else
 719 #endif
 720                         return GO_TO_ROOT;
 721                 }
 722
 723 #ifdef HAVE_TAGCACHE
 724                 if (id3db)
 725                     tagtree_exit(&tc);
 726                 else
 727 #endif
 728                     if (ft_exit(&tc) == 3)
 729                         exit_func = true;
 730
 731                 restore = true;
 732                 break;
 733
 734             case ACTION_TREE_STOP:
 735                 if (list_stop_handler())
 736                     restore = true;
 737                 break;
 738
 739             case ACTION_STD_MENU:
 740                 return GO_TO_ROOT;
 741                 break;
 742
 743 #ifdef HAVE_RECORDING
 744             case ACTION_STD_REC:
 745                 return GO_TO_RECSCREEN;
 746 #endif
 747
 748             case ACTION_TREE_WPS:
 749                 return GO_TO_PREVIOUS_MUSIC;
 750                 break;
 751 #ifdef HAVE_QUICKSCREEN
 752             case ACTION_STD_QUICKSCREEN:
 753                 /* don't enter f2 from plugin browser */
 754                 if (*tc.dirfilter < NUM_FILTER_MODES)
 755                 {
 756                     if (quick_screen_quick(button))
 757                         reload_dir = true;
 758                     restore = true;
 759                 }
 760                 break;
 761 #endif
 762 #ifdef BUTTON_F3
 763             case ACTION_F3:
 764                 /* don't enter f3 from plugin browser */
 765                 if (*tc.dirfilter < NUM_FILTER_MODES)
 766                 {
 767                     if (quick_screen_f3(ACTION_F3))
 768                         reload_dir = true;
 769                     restore = true;
 770                 }
 771                 break;
 772 #endif
 773
 774 #ifdef HAVE_HOTKEY
 775             case ACTION_TREE_HOTKEY:
 776                 if (!global_settings.hotkey_tree)
 777                     break;
 778                 /* fall through */
 779 #endif
 780             case ACTION_STD_CONTEXT:
 781             {
 782                 bool hotkey = button == ACTION_TREE_HOTKEY;
 783                 int onplay_result;
 784                 int attr = 0;
 785
 786                 if(!numentries)
 787                     onplay_result = onplay(NULL, 0, curr_context, hotkey);
 788                 else {
 789 #ifdef HAVE_TAGCACHE
 790                     if (id3db)
 791                     {
 792                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 793                         {
 794                             attr = FILE_ATTR_AUDIO;
 795                             tagtree_get_filename(&tc, buf, sizeof(buf));
 796                         }
 797                         else
 798                             attr = ATTR_DIRECTORY;
 799                     }
 800                     else
 801 #endif
 802                     {
 803                         attr = dircache[tc.selected_item].attr;
 804
 805                         if (currdir[1]) /* Not in / */
 806                             snprintf(buf, sizeof buf, "%s/%s",
 807                                      currdir,
 808                                      dircache[tc.selected_item].name);
 809                         else /* In / */
 810                             snprintf(buf, sizeof buf, "/%s",
 811                                      dircache[tc.selected_item].name);
 812                     }
 813                     onplay_result = onplay(buf, attr, curr_context, hotkey);
 814                 }
 815                 switch (onplay_result)
 816                 {
 817                     case ONPLAY_MAINMENU:
 818                         return GO_TO_ROOT;
 819
 820                     case ONPLAY_OK:
 821                         restore = true;
 822                         break;
 823
 824                     case ONPLAY_RELOAD_DIR:
 825                         reload_dir = true;
 826                         break;
 827
 828                     case ONPLAY_START_PLAY:
 829                         return GO_TO_WPS;
 830                         break;
 831                 }
 832                 break;
 833             }
 834
 835 #ifdef HAVE_HOTSWAP
 836             case SYS_FS_CHANGED:
 837 #ifdef HAVE_TAGCACHE
 838                 if (!id3db)
 839 #endif
 840                     reload_dir = true;
 841                 /* The 'dir no longer valid' situation will be caught later
 842                  * by checking the showdir() result. */
 843                 break;
 844 #endif
 845
 846             default:
 847                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 848                 {
 849                     if(*tc.dirfilter > NUM_FILTER_MODES)
 850                         /* leave sub-browsers after usb, doing otherwise
 851                            might be confusing to the user */
 852                         exit_func = true;
 853                     else
 854                         reload_dir = true;
 855                 }
 856                 break;
 857         }
 858         if (start_wps)
 859             return GO_TO_WPS;
 860         if (button && !IS_SYSEVENT(button))
 861         {
 862             storage_spin();
 863         }
 864
 865
 866     check_rescan:
 867         /* do we need to rescan dir? */
 868         if (reload_dir || reload_root ||
 869             lastfilter != *tc.dirfilter ||
 870             lastsortcase != global_settings.sort_case)
 871         {
 872             if (reload_root) {
 873                 strcpy(currdir, "/");
 874                 tc.dirlevel = 0;
 875 #ifdef HAVE_TAGCACHE
 876                 tc.currtable = 0;
 877                 tc.currextra = 0;
 878                 lasttable = -1;
 879                 lastextra = -1;
 880 #endif
 881                 reload_root = false;
 882             }
 883
 884             if (!reload_dir)
 885             {
 886                 gui_synclist_select_item(&tree_lists, 0);
 887                 gui_synclist_draw(&tree_lists);
 888                 tc.selected_item = 0;
 889                 lastdir[0] = 0;
 890             }
 891
 892             lastfilter = *tc.dirfilter;
 893             lastsortcase = global_settings.sort_case;
 894             restore = true;
 895         }
 896
 897         if (exit_func)
 898             return GO_TO_PREVIOUS;
 899
 900         if (restore || reload_dir) {
 901             /* restore display */
 902             numentries = update_dir();
 903             reload_dir = false;
 904             if (currdir[1] && (numentries < 0))
 905             {   /* not in root and reload failed */
 906                 reload_root = true; /* try root */
 907                 goto check_rescan;
 908             }
 909         }
 910     }
 911     return true;
 912 }
 913
 914 bool create_playlist(void)
 915 {
 916     char filename[MAX_PATH];
 917
 918     snprintf(filename, sizeof filename, "%s.m3u8",
 919              tc.currdir[1] ? tc.currdir : "/root");
 920     splashf(0, "%s %s", str(LANG_CREATING), filename);
 921
 922     trigger_cpu_boost();
 923     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 924     cancel_cpu_boost();
 925
 926     return true;
 927 }
 928
 929 int rockbox_browse(const char *root, int dirfilter)
 930 {
 931     int ret_val = 0;
 932     int *last_filter = tc.dirfilter;
 933     tc.dirfilter = &dirfilter;
 934     tc.sort_dir = global_settings.sort_dir;
 935
 936     reload_dir = true;
 937     if (dirfilter >= NUM_FILTER_MODES)
 938     {
 939         static struct tree_context backup;
 940         int last_context;
 941         const char *dir, *ext, *setting = NULL;
 942
 943         backup = tc;
 944         tc.selected_item = 0;
 945         tc.dirlevel = 0;
 946         memcpy(tc.currdir, root, sizeof(tc.currdir));
 947         start_wps = false;
 948         last_context = curr_context;
 949
 950         /* if we are in a special settings folder, center the current setting */
 951         switch(dirfilter)
 952         {
 953             case SHOW_LNG:
 954                 dir = LANG_DIR;
 955                 ext = "lng";
 956                 if (global_settings.lang_file[0])
 957                     setting = global_settings.lang_file;
 958                 else
 959                     setting = "english";
 960                 break;
 961             case SHOW_WPS:
 962                 dir = WPS_DIR;
 963                 ext = "wps";
 964                 setting = global_settings.wps_file;
 965                 break;
 966 #ifdef HAVE_REMOTE_LCD
 967             case SHOW_RWPS:
 968                 dir = WPS_DIR;
 969                 ext = "rwps";
 970                 setting = global_settings.rwps_file;
 971                 break;
 972             case SHOW_RSBS:
 973                 dir = WPS_DIR;
 974                 ext = "rsbs";
 975                 setting = global_settings.rsbs_file;
 976                 break;
 977 #if CONFIG_TUNER
 978             case SHOW_RFMS:
 979                 dir = WPS_DIR;
 980                 ext = "rfms";
 981                 setting = global_settings.rfms_file;
 982                 break;
 983 #endif /* CONFIG_TUNER */
 984 #endif
 985 #ifdef HAVE_LCD_BITMAP
 986             case SHOW_FONT:
 987                 dir = FONT_DIR;
 988                 ext = "fnt";
 989                 setting = global_settings.font_file;
 990                 break;
 991             case SHOW_SBS:
 992                 dir = WPS_DIR;
 993                 ext = "sbs";
 994                 setting = global_settings.sbs_file;
 995                 break;
 996 #if CONFIG_TUNER
 997             case SHOW_FMS:
 998                 dir = WPS_DIR;
 999                 ext = "fms";
1000                 setting = global_settings.fms_file;
1001                 break;
1002 #endif /* CONFIG_TUNER */
1003 #endif
1004 #if CONFIG_TUNER
1005             case SHOW_FMR:
1006                 dir = FMPRESET_PATH;
1007                 ext = "fmr";
1008                 setting = global_settings.fmr_file;
1009                 break;
1010 #endif
1011             default:
1012                 dir = ext = setting = NULL;
1013                 break;
1014             }
1015
1016         /* If we've found a file to center on, do it */
1017         if (setting)
1018         {
1019             char current[MAX_PATH], _dir[MAX_PATH];
1020             /* if setting != NULL, ext and dir are not used uninitialized */
1021             snprintf(current, sizeof(current), "%s/%s.%s",
1022                      get_user_file_path(dir, 0, _dir, sizeof(_dir)), setting, ext);
1023             set_current_file(current);
1024             /* set_current_file changes dirlevel, change it back */
1025             tc.dirlevel = 0;
1026         }
1027
1028         ret_val = dirbrowse();
1029         tc = backup;
1030         curr_context = last_context;
1031     }
1032     else
1033     {
1034         static char buf[MAX_PATH];
1035         if (dirfilter != SHOW_ID3DB)
1036             tc.dirfilter = &global_settings.dirfilter;
1037         strcpy(buf,root);
1038         set_current_file(buf);
1039         ret_val = dirbrowse();
1040     }
1041     tc.dirfilter = last_filter;
1042     return ret_val;
1043 }
1044
1045 void tree_mem_init(void)
1046 {
1047     /* We copy the settings value in case it is changed by the user. We can't
1048        use it until the next reboot. */
1049     max_files = global_settings.max_files_in_dir;
1050
1051     /* initialize tree context struct */
1052     memset(&tc, 0, sizeof(tc));
1053     tc.dirfilter = &global_settings.dirfilter;
1054     tc.sort_dir = global_settings.sort_dir;
1055
1056     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1057     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1058
1059     tc.dircache_size = max_files * sizeof(struct entry);
1060     tc.dircache = buffer_alloc(tc.dircache_size);
1061     tree_get_filetypes(&filetypes, &filetypes_count);
1062 }
1063
1064 bool bookmark_play(char *resume_file, int index, int offset, int seed,
1065                    char *filename)
1066 {
1067     int i;
1068     char* suffix = strrchr(resume_file, '.');
1069     bool started = false;
1070
1071     if (suffix != NULL &&
1072         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1073     {
1074         /* Playlist playback */
1075         char* slash;
1076         /* check that the file exists */
1077         if(!file_exists(resume_file))
1078             return false;
1079
1080         slash = strrchr(resume_file,'/');
1081         if (slash)
1082         {
1083             char* cp;
1084             *slash=0;
1085
1086             cp=resume_file;
1087             if (!cp[0])
1088                 cp="/";
1089
1090             if (playlist_create(cp, slash+1) != -1)
1091             {
1092                 if (global_settings.playlist_shuffle)
1093                     playlist_shuffle(seed, -1);
1094                 playlist_start(index,offset);
1095                 started = true;
1096             }
1097             *slash='/';
1098         }
1099     }
1100     else
1101     {
1102         /* Directory playback */
1103         lastdir[0]='\0';
1104         if (playlist_create(resume_file, NULL) != -1)
1105         {
1106             char filename_buf[MAX_PATH + 1];
1107             const char* peek_filename;
1108             resume_directory(resume_file);
1109             if (global_settings.playlist_shuffle)
1110                 playlist_shuffle(seed, -1);
1111
1112             /* Check if the file is at the same spot in the directory,
1113                else search for it */
1114             peek_filename = playlist_peek(index, filename_buf,
1115                 sizeof(filename_buf));
1116
1117             if (peek_filename == NULL)
1118             {
1119                 /* playlist has shrunk, search from the top */
1120                 index = 0;
1121                 peek_filename = playlist_peek(index, filename_buf,
1122                     sizeof(filename_buf));
1123                 if (peek_filename == NULL)
1124                     return false;
1125             }
1126
1127             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1128             {
1129                 for ( i=0; i < playlist_amount(); i++ )
1130                 {
1131                     peek_filename = playlist_peek(i, filename_buf,
1132                         sizeof(filename_buf));
1133
1134                     if (peek_filename == NULL)
1135                         return false;
1136
1137                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1138                         break;
1139                 }
1140                 if (i < playlist_amount())
1141                     index = i;
1142                 else
1143                     return false;
1144             }
1145             playlist_start(index,offset);
1146             started = true;
1147         }
1148     }
1149
1150     if (started)
1151         start_wps = true;
1152     return started;
1153 }
1154
1155 static void say_filetype(int attr)
1156 {
1157     /* try to find a voice ID for the extension, if known */
1158     int j;
1159     attr &= FILE_ATTR_MASK; /* file type */
1160     for (j=0; j<filetypes_count; j++)
1161         if (attr == filetypes[j].tree_attr)
1162         {
1163             talk_id(filetypes[j].voiceclip, true);
1164             return;
1165         }
1166 }
1167
1168 static int ft_play_dirname(char* name)
1169 {
1170 #if CONFIG_CODEC != SWCODEC
1171     if (audio_status() & AUDIO_STATUS_PLAY)
1172         return 0;
1173 #endif
1174
1175     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1176                  NULL, false))
1177     {
1178         if(global_settings.talk_filetype)
1179             talk_id(VOICE_DIR, true);
1180         return 1;
1181     }
1182     else
1183         return -1;
1184 }
1185
1186 static void ft_play_filename(char *dir, char *file)
1187 {
1188 #if CONFIG_CODEC != SWCODEC
1189     if (audio_status() & AUDIO_STATUS_PLAY)
1190         return;
1191 #endif
1192
1193     if (strlen(file) >= strlen(file_thumbnail_ext)
1194         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1195                       file_thumbnail_ext))
1196         /* file has no .talk extension */
1197         talk_file(dir, NULL, file, file_thumbnail_ext,
1198                   NULL, false);
1199     else
1200         /* it already is a .talk file, play this directly, but prefix it. */
1201         talk_file(dir, NULL, file, NULL,
1202                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1203 }
1204
1205 /* These two functions are called by the USB and shutdown handlers */
1206 void tree_flush(void)
1207 {
1208 #ifdef HAVE_TAGCACHE
1209     tagcache_shutdown();
1210 #endif
1211
1212 #ifdef HAVE_TC_RAMCACHE
1213     tagcache_unload_ramcache();
1214 #endif
1215
1216 #ifdef HAVE_DIRCACHE
1217     {
1218         int old_val = global_status.dircache_size;
1219         if (global_settings.dircache)
1220         {
1221             if (!dircache_is_initializing())
1222                 global_status.dircache_size = dircache_get_cache_size();
1223 # ifdef HAVE_EEPROM_SETTINGS
1224             if (firmware_settings.initialized)
1225                 dircache_save();
1226 # endif
1227             dircache_disable();
1228         }
1229         else
1230         {
1231             global_status.dircache_size = 0;
1232         }
1233         if (old_val != global_status.dircache_size)
1234             status_save();
1235     }
1236 #endif
1237 }
1238
1239 void tree_restore(void)
1240 {
1241 #ifdef HAVE_EEPROM_SETTINGS
1242     firmware_settings.disk_clean = false;
1243 #endif
1244
1245 #ifdef HAVE_TC_RAMCACHE
1246     remove(TAGCACHE_STATEFILE);
1247 #endif
1248
1249 #ifdef HAVE_DIRCACHE
1250     remove(DIRCACHE_FILE);
1251     if (global_settings.dircache)
1252     {
1253         /* Print "Scanning disk..." to the display. */
1254         splash(0, str(LANG_SCANNING_DISK));
1255
1256         dircache_build(global_status.dircache_size);
1257     }
1258 #endif
1259 #ifdef HAVE_TAGCACHE
1260     tagcache_start_scan();
1261 #endif
1262 }