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 <string.h>
  23 #include <stdlib.h>
  24 #include <stdbool.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 "sprintf.h"
  36 #include "audio.h"
  37 #include "playlist.h"
  38 #include "menu.h"
  39 #include "skin_engine/skin_engine.h"
  40 #include "settings.h"
  41 #include "debug.h"
  42 #include "storage.h"
  43 #include "rolo.h"
  44 #include "icons.h"
  45 #include "lang.h"
  46 #include "screens.h"
  47 #include "keyboard.h"
  48 #include "bookmark.h"
  49 #include "onplay.h"
  50 #include "buffer.h"
  51 #include "power.h"
  52 #include "action.h"
  53 #include "talk.h"
  54 #include "filetypes.h"
  55 #include "misc.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 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     if(!dir_exists(ROCKBOX_DIR))
 265     {   /* No need to localise this message.
 266            If .rockbox is missing, it wouldn't work anyway */
 267         int i;
 268         FOR_NB_SCREENS(i)
 269             screens[i].clear_display();
 270         splash(HZ*2, "No .rockbox directory");
 271         FOR_NB_SCREENS(i)
 272             screens[i].clear_display();
 273         splash(HZ*2, "Installation incomplete");
 274         return false;
 275     }
 276     return true;
 277 }
 278
 279 /* do this really late in the init sequence */
 280 void tree_gui_init(void)
 281 {
 282     check_rockboxdir();
 283
 284     strcpy(tc.currdir, "/");
 285
 286 #ifdef HAVE_LCD_CHARCELLS
 287     int i;
 288     FOR_NB_SCREENS(i)
 289         screens[i].double_height(false);
 290 #endif
 291 #ifdef HAVE_BUTTONBAR
 292     gui_buttonbar_init(&tree_buttonbar);
 293     /* since archos only have one screen, no need to create more than that */
 294     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 295 #endif
 296     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL);
 297     gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb);
 298     gui_synclist_set_icon_callback(&tree_lists, &tree_get_fileicon);
 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     gui_synclist_draw(&tree_lists);
 309 }
 310
 311
 312 struct tree_context* tree_get_context(void)
 313 {
 314     return &tc;
 315 }
 316
 317 /*
 318  * Returns the position of a given file in the current directory
 319  * returns -1 if not found
 320  */
 321 static int tree_get_file_position(char * filename)
 322 {
 323     int i;
 324
 325     /* use lastfile to determine the selected item (default=0) */
 326     for (i=0; i < tc.filesindir; i++)
 327     {
 328         struct entry* dc = tc.dircache;
 329         struct entry* e = &dc[i];
 330         if (!strcasecmp(e->name, filename))
 331             return(i);
 332     }
 333     return(-1);/* no file can match, returns undefined */
 334 }
 335
 336 /*
 337  * Called when a new dir is loaded (for example when returning from other apps ...)
 338  * also completely redraws the tree
 339  */
 340 static int update_dir(void)
 341 {
 342     bool changed = false;
 343 #ifdef HAVE_TAGCACHE
 344     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 345     /* Checks for changes */
 346     if (id3db) {
 347         if (tc.currtable != lasttable ||
 348             tc.currextra != lastextra ||
 349             tc.firstpos  != lastfirstpos ||
 350             reload_dir)
 351         {
 352             if (tagtree_load(&tc) < 0)
 353                 return -1;
 354
 355             lasttable = tc.currtable;
 356             lastextra = tc.currextra;
 357             lastfirstpos = tc.firstpos;
 358             changed = true;
 359         }
 360     }
 361     else
 362 #endif
 363     {
 364         /* if the tc.currdir has been changed, reload it ...*/
 365         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 366         {
 367             if (ft_load(&tc, NULL) < 0)
 368                 return -1;
 369             strcpy(lastdir, tc.currdir);
 370             changed = true;
 371         }
 372     }
 373     /* if selected item is undefined */
 374     if (tc.selected_item == -1)
 375     {
 376         /* use lastfile to determine the selected item */
 377         tc.selected_item = tree_get_file_position(lastfile);
 378
 379         /* If the file doesn't exists, select the first one (default) */
 380         if(tc.selected_item < 0)
 381             tc.selected_item = 0;
 382         changed = true;
 383     }
 384     if (changed)
 385     {
 386         if(
 387 #ifdef HAVE_TAGCACHE
 388         !id3db &&
 389 #endif
 390         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 391         {
 392             splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 393         }
 394     }
 395 #ifdef HAVE_TAGCACHE
 396     if (id3db)
 397     {
 398 #ifdef HAVE_LCD_BITMAP
 399         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 400             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 401         {
 402             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 403                 filetype_get_icon(ATTR_DIRECTORY));
 404         }
 405         else
 406         {
 407             /* Must clear the title as the list is reused */
 408             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 409         }
 410 #endif
 411     }
 412     else
 413 #endif
 414     {
 415 #ifdef HAVE_LCD_BITMAP
 416         if (global_settings.show_path_in_browser &&
 417             *(tc.dirfilter) == SHOW_PLUGINS)
 418         {
 419             char *title;
 420             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 421                 title = str(LANG_PLUGIN_GAMES);
 422             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 423                 title = str(LANG_PLUGIN_APPS);
 424             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 425                 title = str(LANG_PLUGIN_DEMOS);
 426             else title = str(LANG_PLUGINS);
 427             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 428         }
 429         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 430         {
 431             gui_synclist_set_title(&tree_lists, tc.currdir,
 432                 filetype_get_icon(ATTR_DIRECTORY));
 433         }
 434         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 435         {
 436             char *title = strrchr(tc.currdir, '/') + 1;
 437             if (*title == '\0')
 438             {
 439                 /* Display "Files" for the root dir */
 440                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 441                     filetype_get_icon(ATTR_DIRECTORY));
 442             }
 443             else
 444                 gui_synclist_set_title(&tree_lists, title,
 445                     filetype_get_icon(ATTR_DIRECTORY));
 446         }
 447         else
 448         {
 449             /* Must clear the title as the list is reused */
 450             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 451         }
 452 #endif
 453     }
 454
 455     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 456     gui_synclist_set_icon_callback(&tree_lists, tree_get_fileicon);
 457     if( tc.selected_item >= tc.filesindir)
 458         tc.selected_item=tc.filesindir-1;
 459
 460     gui_synclist_select_item(&tree_lists, tc.selected_item);
 461 #ifdef HAVE_BUTTONBAR
 462     if (global_settings.buttonbar) {
 463         if (*tc.dirfilter < NUM_FILTER_MODES)
 464             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 465                           str(LANG_SYSFONT_DIRBROWSE_F2),
 466                           str(LANG_SYSFONT_DIRBROWSE_F3));
 467         else
 468             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 469         gui_buttonbar_draw(&tree_buttonbar);
 470     }
 471 #endif
 472     gui_synclist_draw(&tree_lists);
 473     gui_synclist_speak_item(&tree_lists);
 474     return tc.filesindir;
 475 }
 476
 477 /* load tracks from specified directory to resume play */
 478 void resume_directory(const char *dir)
 479 {
 480         int dirfilter = *tc.dirfilter;
 481         int ret;
 482 #ifdef HAVE_TAGCACHE
 483     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 484 #endif
 485         /* make sure the dirfilter is sane. The only time it should be possible
 486          * thats its not is when resume playlist is called from a plugin
 487          */
 488 #ifdef HAVE_TAGCACHE
 489         if (!id3db)
 490 #endif
 491                 *tc.dirfilter = global_settings.dirfilter;
 492         ret = ft_load(&tc, dir);
 493         *tc.dirfilter = dirfilter;
 494         if (ret < 0)
 495         return;
 496     lastdir[0] = 0;
 497
 498     ft_build_playlist(&tc, 0);
 499
 500 #ifdef HAVE_TAGCACHE
 501     if (id3db)
 502         tagtree_load(&tc);
 503 #endif
 504 }
 505
 506 /* Returns the current working directory and also writes cwd to buf if
 507    non-NULL.  In case of error, returns NULL. */
 508 char *getcwd(char *buf, int size)
 509 {
 510     if (!buf)
 511         return tc.currdir;
 512     else if (size > 0)
 513     {
 514         strlcpy(buf, tc.currdir, size);
 515         return buf;
 516     }
 517     else
 518         return NULL;
 519 }
 520
 521 /* Force a reload of the directory next time directory browser is called */
 522 void reload_directory(void)
 523 {
 524     reload_dir = true;
 525 }
 526
 527 void get_current_file(char* buffer, int buffer_len)
 528 {
 529 #ifdef HAVE_TAGCACHE
 530     /* in ID3DB mode it is a bad idea to call this function */
 531     /* (only happens with `follow playlist') */
 532     if( *tc.dirfilter == SHOW_ID3DB )
 533         return;
 534 #endif
 535
 536     struct entry* dc = tc.dircache;
 537     struct entry* e = &dc[tc.selected_item];
 538     snprintf(buffer, buffer_len, "%s/%s", getcwd(NULL,0),
 539                                           tc.dirlength ? e->name : "");
 540 }
 541
 542 /* Allow apps to change our dirfilter directly (required for sub browsers)
 543    if they're suddenly going to become a file browser for example */
 544 void set_dirfilter(int l_dirfilter)
 545 {
 546     *tc.dirfilter = l_dirfilter;
 547 }
 548
 549 /* Selects a file and update tree context properly */
 550 void set_current_file(char *path)
 551 {
 552     char *name;
 553     int i;
 554
 555 #ifdef HAVE_TAGCACHE
 556     /* in ID3DB mode it is a bad idea to call this function */
 557     /* (only happens with `follow playlist') */
 558     if( *tc.dirfilter == SHOW_ID3DB )
 559         return;
 560 #endif
 561
 562     /* separate directory from filename */
 563     /* gets the directory's name and put it into tc.currdir */
 564     name = strrchr(path+1,'/');
 565     if (name)
 566     {
 567         *name = 0;
 568         strcpy(tc.currdir, path);
 569         *name = '/';
 570         name++;
 571     }
 572     else
 573     {
 574         strcpy(tc.currdir, "/");
 575         name = path+1;
 576     }
 577
 578     strcpy(lastfile, name);
 579
 580
 581     /* If we changed dir we must recalculate the dirlevel
 582        and adjust the selected history properly */
 583     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 584     {
 585         tc.dirlevel =  0;
 586         tc.selected_item_history[tc.dirlevel] = -1;
 587
 588         /* use '/' to calculate dirlevel */
 589         for (i = 1; path[i] != '\0'; i++)
 590         {
 591             if (path[i] == '/')
 592             {
 593                 tc.dirlevel++;
 594                 tc.selected_item_history[tc.dirlevel] = -1;
 595             }
 596         }
 597     }
 598     if (ft_load(&tc, NULL) >= 0)
 599     {
 600         tc.selected_item = tree_get_file_position(lastfile);
 601     }
 602 }
 603
 604
 605 /* main loop, handles key events */
 606 static int dirbrowse()
 607 {
 608     int numentries=0;
 609     char buf[MAX_PATH];
 610     int button, oldbutton;
 611     bool reload_root = false;
 612     int lastfilter = *tc.dirfilter;
 613     bool lastsortcase = global_settings.sort_case;
 614     bool exit_func = false;
 615
 616     char* currdir = tc.currdir; /* just a shortcut */
 617 #ifdef HAVE_TAGCACHE
 618     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 619
 620     if (id3db)
 621         curr_context=CONTEXT_ID3DB;
 622     else
 623 #endif
 624         curr_context=CONTEXT_TREE;
 625     if (tc.selected_item < 0)
 626         tc.selected_item = 0;
 627 #ifdef HAVE_TAGCACHE
 628     tc.firstpos = 0;
 629     lasttable = -1;
 630     lastextra = -1;
 631     lastfirstpos = 0;
 632 #endif
 633
 634     start_wps = false;
 635     numentries = update_dir();
 636     reload_dir = false;
 637     if (numentries == -1)
 638         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 639
 640     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 641     {
 642         splash(HZ*2, ID2P(LANG_NO_FILES));
 643         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 644     }
 645
 646     gui_synclist_draw(&tree_lists);
 647     while(1) {
 648         struct entry *dircache = tc.dircache;
 649         bool restore = false;
 650         if (tc.dirlevel < 0)
 651             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 652 #ifdef BOOTFILE
 653         if (boot_changed) {
 654             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 655             static const struct text_message message={lines, 2};
 656             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 657                 rolo_load("/" BOOTFILE);
 658             restore = true;
 659             boot_changed = false;
 660         }
 661 #endif
 662         button = get_action(CONTEXT_TREE,
 663                             list_do_action_timeout(&tree_lists, HZ/2));
 664         oldbutton = button;
 665         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 666         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 667         switch ( button ) {
 668             case ACTION_STD_OK:
 669                 /* nothing to do if no files to display */
 670                 if ( numentries == 0 )
 671                     break;
 672
 673 #ifdef HAVE_TAGCACHE
 674                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 675 #else
 676                 switch (ft_enter(&tc))
 677 #endif
 678                 {
 679                     case 1: reload_dir = true; break;
 680                     case 2: start_wps = true; break;
 681                     case 3: exit_func = true; break;
 682                     default: break;
 683                 }
 684                 restore = true;
 685                 break;
 686
 687             case ACTION_STD_CANCEL:
 688                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 689                     exit_func = true;
 690                     break;
 691                 }
 692                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 693                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 694                 {
 695 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 696                     if (oldbutton == ACTION_TREE_PGLEFT)
 697                         break;
 698                     else
 699 #endif
 700                         return GO_TO_ROOT;
 701                 }
 702
 703 #ifdef HAVE_TAGCACHE
 704                 if (id3db)
 705                     tagtree_exit(&tc);
 706                 else
 707 #endif
 708                     if (ft_exit(&tc) == 3)
 709                         exit_func = true;
 710
 711                 restore = true;
 712                 break;
 713
 714             case ACTION_TREE_STOP:
 715                 if (list_stop_handler())
 716                     restore = true;
 717                 break;
 718
 719             case ACTION_STD_MENU:
 720                 return GO_TO_ROOT;
 721                 break;
 722
 723 #ifdef HAVE_RECORDING
 724             case ACTION_STD_REC:
 725                 return GO_TO_RECSCREEN;
 726 #endif
 727
 728             case ACTION_TREE_WPS:
 729                 return GO_TO_PREVIOUS_MUSIC;
 730                 break;
 731 #ifdef HAVE_QUICKSCREEN
 732             case ACTION_STD_QUICKSCREEN:
 733                 /* don't enter f2 from plugin browser */
 734                 if (*tc.dirfilter < NUM_FILTER_MODES)
 735                 {
 736                     if (quick_screen_quick(button))
 737                         reload_dir = true;
 738                     restore = true;
 739                 }
 740                 break;
 741 #endif
 742 #ifdef BUTTON_F3
 743             case ACTION_F3:
 744                 /* don't enter f3 from plugin browser */
 745                 if (*tc.dirfilter < NUM_FILTER_MODES)
 746                 {
 747                     if (quick_screen_f3(ACTION_F3))
 748                         reload_dir = true;
 749                     restore = true;
 750                 }
 751                 break;
 752 #endif
 753
 754             case ACTION_STD_CONTEXT:
 755             {
 756                 int onplay_result;
 757                 int attr = 0;
 758
 759                 if(!numentries)
 760                     onplay_result = onplay(NULL, 0, curr_context);
 761                 else {
 762 #ifdef HAVE_TAGCACHE
 763                     if (id3db)
 764                     {
 765                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 766                         {
 767                             attr = FILE_ATTR_AUDIO;
 768                             tagtree_get_filename(&tc, buf, sizeof(buf));
 769                         }
 770                         else
 771                             attr = ATTR_DIRECTORY;
 772                     }
 773                     else
 774 #endif
 775                     {
 776                         attr = dircache[tc.selected_item].attr;
 777
 778                         if (currdir[1]) /* Not in / */
 779                             snprintf(buf, sizeof buf, "%s/%s",
 780                                      currdir,
 781                                      dircache[tc.selected_item].name);
 782                         else /* In / */
 783                             snprintf(buf, sizeof buf, "/%s",
 784                                      dircache[tc.selected_item].name);
 785                     }
 786                     onplay_result = onplay(buf, attr, curr_context);
 787                 }
 788                 send_event(GUI_EVENT_REFRESH, tree_drawlists);
 789                 switch (onplay_result)
 790                 {
 791                     case ONPLAY_MAINMENU:
 792                         return GO_TO_ROOT;
 793
 794                     case ONPLAY_OK:
 795                         restore = true;
 796                         break;
 797
 798                     case ONPLAY_RELOAD_DIR:
 799                         reload_dir = true;
 800                         break;
 801
 802                     case ONPLAY_START_PLAY:
 803                         return GO_TO_WPS;
 804                         break;
 805                 }
 806                 break;
 807             }
 808
 809 #ifdef HAVE_HOTSWAP
 810             case SYS_FS_CHANGED:
 811 #ifdef HAVE_TAGCACHE
 812                 if (!id3db)
 813 #endif
 814                     reload_dir = true;
 815                 /* The 'dir no longer valid' situation will be caught later
 816                  * by checking the showdir() result. */
 817                 break;
 818 #endif
 819
 820             default:
 821                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 822                 {
 823                     if(*tc.dirfilter > NUM_FILTER_MODES)
 824                         /* leave sub-browsers after usb, doing otherwise
 825                            might be confusing to the user */
 826                         exit_func = true;
 827                     else
 828                         reload_dir = true;
 829                 }
 830                 break;
 831         }
 832         if (start_wps)
 833             return GO_TO_WPS;
 834         if (button && !IS_SYSEVENT(button))
 835         {
 836             storage_spin();
 837         }
 838
 839
 840     check_rescan:
 841         /* do we need to rescan dir? */
 842         if (reload_dir || reload_root ||
 843             lastfilter != *tc.dirfilter ||
 844             lastsortcase != global_settings.sort_case)
 845         {
 846             if (reload_root) {
 847                 strcpy(currdir, "/");
 848                 tc.dirlevel = 0;
 849 #ifdef HAVE_TAGCACHE
 850                 tc.currtable = 0;
 851                 tc.currextra = 0;
 852                 lasttable = -1;
 853                 lastextra = -1;
 854 #endif
 855                 reload_root = false;
 856             }
 857
 858             if (!reload_dir)
 859             {
 860                 gui_synclist_select_item(&tree_lists, 0);
 861                 gui_synclist_draw(&tree_lists);
 862                 tc.selected_item = 0;
 863                 lastdir[0] = 0;
 864             }
 865
 866             lastfilter = *tc.dirfilter;
 867             lastsortcase = global_settings.sort_case;
 868             restore = true;
 869         }
 870
 871         if (exit_func)
 872             return GO_TO_PREVIOUS;
 873
 874         if (restore || reload_dir) {
 875             /* restore display */
 876             numentries = update_dir();
 877             reload_dir = false;
 878             if (currdir[1] && (numentries < 0))
 879             {   /* not in root and reload failed */
 880                 reload_root = true; /* try root */
 881                 goto check_rescan;
 882             }
 883         }
 884     }
 885     return true;
 886 }
 887
 888 bool create_playlist(void)
 889 {
 890     char filename[MAX_PATH];
 891
 892     snprintf(filename, sizeof filename, "%s.m3u8",
 893              tc.currdir[1] ? tc.currdir : "/root");
 894     splashf(0, "%s %s", str(LANG_CREATING), filename);
 895
 896     trigger_cpu_boost();
 897     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 898     cancel_cpu_boost();
 899
 900     return true;
 901 }
 902
 903 int rockbox_browse(const char *root, int dirfilter)
 904 {
 905     int ret_val = 0;
 906     int *last_filter = tc.dirfilter;
 907     tc.dirfilter = &dirfilter;
 908     tc.sort_dir = global_settings.sort_dir;
 909
 910     reload_dir = true;
 911     if (dirfilter >= NUM_FILTER_MODES)
 912     {
 913         static struct tree_context backup;
 914         char current[MAX_PATH];
 915         int last_context;
 916
 917         backup = tc;
 918         tc.selected_item = 0;
 919         tc.dirlevel = 0;
 920         memcpy(tc.currdir, root, sizeof(tc.currdir));
 921         start_wps = false;
 922         last_context = curr_context;
 923
 924         /* Center on the currently loaded language when browsing languages. */
 925         if (dirfilter == SHOW_LNG)
 926         {
 927             if (global_settings.lang_file[0])
 928             {
 929                 snprintf(current, sizeof(current), LANG_DIR "/%s.lng",
 930                         global_settings.lang_file);
 931             }
 932             else
 933             {
 934                 strlcpy(current, LANG_DIR "/english.lng", sizeof(current));
 935             }
 936         }
 937         /* Center on currently loaded WPS */
 938         else if (dirfilter == SHOW_WPS)
 939         {
 940             snprintf(current, sizeof(current), WPS_DIR "/%s.wps",
 941                     global_settings.wps_file);
 942         }
 943 #ifdef HAVE_REMOTE_LCD
 944         /* Center on currently loaded RWPS */
 945         else if (dirfilter == SHOW_RWPS)
 946         {
 947             snprintf(current, sizeof(current), WPS_DIR "/%s.rwps",
 948                     global_settings.rwps_file);
 949         }
 950 #endif
 951 #ifdef HAVE_LCD_BITMAP
 952         /* Center on the currently loaded font when browsing fonts */
 953         else if (dirfilter == SHOW_FONT)
 954         {
 955             snprintf(current, sizeof(current), FONT_DIR "/%s.fnt",
 956                     global_settings.font_file);
 957         }
 958 #endif
 959 #if CONFIG_TUNER
 960         /* Center on the currently loaded FM preset when browsing those */
 961         else if (dirfilter == SHOW_FMR)
 962         {
 963             snprintf(current, sizeof(current), FMPRESET_PATH "/%s.fmr",
 964                     global_settings.fmr_file);
 965         }
 966 #endif
 967         else /* reset current[] */
 968             current[0] = '\0';
 969
 970         /* If we've found a file to center on, do it */
 971         if (current[0] == '/')
 972         {
 973             set_current_file(current);
 974             /* set_current_file changes dirlevel, change it back */
 975             tc.dirlevel = 0;
 976         }
 977
 978         ret_val = dirbrowse();
 979         tc = backup;
 980         curr_context = last_context;
 981     }
 982     else
 983     {
 984         static char buf[MAX_PATH];
 985         if (dirfilter != SHOW_ID3DB)
 986             tc.dirfilter = &global_settings.dirfilter;
 987         strcpy(buf,root);
 988         set_current_file(buf);
 989         ret_val = dirbrowse();
 990     }
 991     tc.dirfilter = last_filter;
 992     return ret_val;
 993 }
 994
 995 void tree_mem_init(void)
 996 {
 997     /* We copy the settings value in case it is changed by the user. We can't
 998        use it until the next reboot. */
 999     max_files = global_settings.max_files_in_dir;
1000
1001     /* initialize tree context struct */
1002     memset(&tc, 0, sizeof(tc));
1003     tc.dirfilter = &global_settings.dirfilter;
1004     tc.sort_dir = global_settings.sort_dir;
1005
1006     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1007     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1008
1009     tc.dircache_size = max_files * sizeof(struct entry);
1010     tc.dircache = buffer_alloc(tc.dircache_size);
1011     tree_get_filetypes(&filetypes, &filetypes_count);
1012 }
1013
1014 bool bookmark_play(char *resume_file, int index, int offset, int seed,
1015                    char *filename)
1016 {
1017     int i;
1018     char* suffix = strrchr(resume_file, '.');
1019     bool started = false;
1020
1021     if (suffix != NULL &&
1022         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1023     {
1024         /* Playlist playback */
1025         char* slash;
1026         /* check that the file exists */
1027         if(!file_exists(resume_file))
1028             return false;
1029
1030         slash = strrchr(resume_file,'/');
1031         if (slash)
1032         {
1033             char* cp;
1034             *slash=0;
1035
1036             cp=resume_file;
1037             if (!cp[0])
1038                 cp="/";
1039
1040             if (playlist_create(cp, slash+1) != -1)
1041             {
1042                 if (global_settings.playlist_shuffle)
1043                     playlist_shuffle(seed, -1);
1044                 playlist_start(index,offset);
1045                 started = true;
1046             }
1047             *slash='/';
1048         }
1049     }
1050     else
1051     {
1052         /* Directory playback */
1053         lastdir[0]='\0';
1054         if (playlist_create(resume_file, NULL) != -1)
1055         {
1056             char* peek_filename;
1057             resume_directory(resume_file);
1058             if (global_settings.playlist_shuffle)
1059                 playlist_shuffle(seed, -1);
1060
1061             /* Check if the file is at the same spot in the directory,
1062                else search for it */
1063             peek_filename = playlist_peek(index);
1064
1065             if (peek_filename == NULL)
1066                 return false;
1067
1068             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1069             {
1070                 for ( i=0; i < playlist_amount(); i++ )
1071                 {
1072                     peek_filename = playlist_peek(i);
1073
1074                     if (peek_filename == NULL)
1075                         return false;
1076
1077                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1078                         break;
1079                 }
1080                 if (i < playlist_amount())
1081                     index = i;
1082                 else
1083                     return false;
1084             }
1085             playlist_start(index,offset);
1086             started = true;
1087         }
1088     }
1089
1090     if (started)
1091         start_wps = true;
1092     return started;
1093 }
1094
1095 static void say_filetype(int attr)
1096 {
1097     /* try to find a voice ID for the extension, if known */
1098     int j;
1099     attr &= FILE_ATTR_MASK; /* file type */
1100     for (j=0; j<filetypes_count; j++)
1101         if (attr == filetypes[j].tree_attr)
1102         {
1103             talk_id(filetypes[j].voiceclip, true);
1104             return;
1105         }
1106 }
1107
1108 static int ft_play_dirname(char* name)
1109 {
1110 #if CONFIG_CODEC != SWCODEC
1111     if (audio_status() & AUDIO_STATUS_PLAY)
1112         return 0;
1113 #endif
1114
1115     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1116                  NULL, false))
1117     {
1118         if(global_settings.talk_filetype)
1119             talk_id(VOICE_DIR, true);
1120         return 1;
1121     }
1122     else
1123         return -1;
1124 }
1125
1126 static void ft_play_filename(char *dir, char *file)
1127 {
1128 #if CONFIG_CODEC != SWCODEC
1129     if (audio_status() & AUDIO_STATUS_PLAY)
1130         return;
1131 #endif
1132
1133     if (strlen(file) >= strlen(file_thumbnail_ext)
1134         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1135                       file_thumbnail_ext))
1136         /* file has no .talk extension */
1137         talk_file(dir, NULL, file, file_thumbnail_ext,
1138                   NULL, false);
1139     else
1140         /* it already is a .talk file, play this directly, but prefix it. */
1141         talk_file(dir, NULL, file, NULL,
1142                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1143 }
1144
1145 /* These two functions are called by the USB and shutdown handlers */
1146 void tree_flush(void)
1147 {
1148 #ifdef HAVE_TAGCACHE
1149     tagcache_shutdown();
1150 #endif
1151
1152 #ifdef HAVE_TC_RAMCACHE
1153     tagcache_unload_ramcache();
1154 #endif
1155
1156 #ifdef HAVE_DIRCACHE
1157     {
1158         int old_val = global_status.dircache_size;
1159         if (global_settings.dircache)
1160         {
1161             if (!dircache_is_initializing())
1162                 global_status.dircache_size = dircache_get_cache_size();
1163 # ifdef HAVE_EEPROM_SETTINGS
1164             if (firmware_settings.initialized)
1165                 dircache_save();
1166 # endif
1167             dircache_disable();
1168         }
1169         else
1170         {
1171             global_status.dircache_size = 0;
1172         }
1173         if (old_val != global_status.dircache_size)
1174             status_save();
1175     }
1176 #endif
1177 }
1178
1179 void tree_restore(void)
1180 {
1181 #ifdef HAVE_EEPROM_SETTINGS
1182     firmware_settings.disk_clean = false;
1183 #endif
1184
1185 #ifdef HAVE_TC_RAMCACHE
1186     remove(TAGCACHE_STATEFILE);
1187 #endif
1188
1189 #ifdef HAVE_DIRCACHE
1190     remove(DIRCACHE_FILE);
1191     if (global_settings.dircache)
1192     {
1193         /* Print "Scanning disk..." to the display. */
1194         splash(0, str(LANG_SCANNING_DISK));
1195
1196         dircache_build(global_status.dircache_size);
1197     }
1198 #endif
1199 #ifdef HAVE_TAGCACHE
1200     tagcache_start_scan();
1201 #endif
1202 }