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