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     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,
 299                                     global_settings.show_icons?&tree_get_fileicon:NULL);
 300 #ifdef HAVE_LCD_COLOR
 301     gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor);
 302 #endif
 303 }
 304
 305
 306 /* drawer function for the GUI_EVENT_REDRAW callback */
 307 void tree_drawlists(void)
 308 {
 309     /* band-aid to fix the bar/list redrawing properly after leaving a plugin */
 310     send_event(GUI_EVENT_THEME_CHANGED, NULL);
 311     /* end bandaid */
 312     gui_synclist_draw(&tree_lists);
 313 }
 314
 315
 316 struct tree_context* tree_get_context(void)
 317 {
 318     return &tc;
 319 }
 320
 321 /*
 322  * Returns the position of a given file in the current directory
 323  * returns -1 if not found
 324  */
 325 static int tree_get_file_position(char * filename)
 326 {
 327     int i;
 328
 329     /* use lastfile to determine the selected item (default=0) */
 330     for (i=0; i < tc.filesindir; i++)
 331     {
 332         struct entry* dc = tc.dircache;
 333         struct entry* e = &dc[i];
 334         if (!strcasecmp(e->name, filename))
 335             return(i);
 336     }
 337     return(-1);/* no file can match, returns undefined */
 338 }
 339
 340 /*
 341  * Called when a new dir is loaded (for example when returning from other apps ...)
 342  * also completely redraws the tree
 343  */
 344 static int update_dir(void)
 345 {
 346     bool changed = false;
 347 #ifdef HAVE_TAGCACHE
 348     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 349     /* Checks for changes */
 350     if (id3db) {
 351         if (tc.currtable != lasttable ||
 352             tc.currextra != lastextra ||
 353             tc.firstpos  != lastfirstpos ||
 354             reload_dir)
 355         {
 356             if (tagtree_load(&tc) < 0)
 357                 return -1;
 358
 359             lasttable = tc.currtable;
 360             lastextra = tc.currextra;
 361             lastfirstpos = tc.firstpos;
 362             changed = true;
 363         }
 364     }
 365     else
 366 #endif
 367     {
 368         /* if the tc.currdir has been changed, reload it ...*/
 369         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
 370         {
 371             if (ft_load(&tc, NULL) < 0)
 372                 return -1;
 373             strcpy(lastdir, tc.currdir);
 374             changed = true;
 375         }
 376     }
 377     /* if selected item is undefined */
 378     if (tc.selected_item == -1)
 379     {
 380         /* use lastfile to determine the selected item */
 381         tc.selected_item = tree_get_file_position(lastfile);
 382
 383         /* If the file doesn't exists, select the first one (default) */
 384         if(tc.selected_item < 0)
 385             tc.selected_item = 0;
 386         changed = true;
 387     }
 388     if (changed)
 389     {
 390         if(
 391 #ifdef HAVE_TAGCACHE
 392         !id3db &&
 393 #endif
 394         (tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
 395         {
 396             splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
 397         }
 398     }
 399 #ifdef HAVE_TAGCACHE
 400     if (id3db)
 401     {
 402 #ifdef HAVE_LCD_BITMAP
 403         if (global_settings.show_path_in_browser == SHOW_PATH_FULL
 404             || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 405         {
 406             gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
 407                 filetype_get_icon(ATTR_DIRECTORY));
 408         }
 409         else
 410         {
 411             /* Must clear the title as the list is reused */
 412             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 413         }
 414 #endif
 415     }
 416     else
 417 #endif
 418     {
 419 #ifdef HAVE_LCD_BITMAP
 420         if (global_settings.show_path_in_browser &&
 421             *(tc.dirfilter) == SHOW_PLUGINS)
 422         {
 423             char *title;
 424             if (!strcmp(tc.currdir, PLUGIN_GAMES_DIR))
 425                 title = str(LANG_PLUGIN_GAMES);
 426             else if (!strcmp(tc.currdir, PLUGIN_APPS_DIR))
 427                 title = str(LANG_PLUGIN_APPS);
 428             else if (!strcmp(tc.currdir, PLUGIN_DEMOS_DIR))
 429                 title = str(LANG_PLUGIN_DEMOS);
 430             else title = str(LANG_PLUGINS);
 431             gui_synclist_set_title(&tree_lists, title, Icon_Plugin);
 432         }
 433         else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
 434         {
 435             gui_synclist_set_title(&tree_lists, tc.currdir,
 436                 filetype_get_icon(ATTR_DIRECTORY));
 437         }
 438         else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
 439         {
 440             char *title = strrchr(tc.currdir, '/') + 1;
 441             if (*title == '\0')
 442             {
 443                 /* Display "Files" for the root dir */
 444                 gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
 445                     filetype_get_icon(ATTR_DIRECTORY));
 446             }
 447             else
 448                 gui_synclist_set_title(&tree_lists, title,
 449                     filetype_get_icon(ATTR_DIRECTORY));
 450         }
 451         else
 452         {
 453             /* Must clear the title as the list is reused */
 454             gui_synclist_set_title(&tree_lists, NULL, NOICON);
 455         }
 456 #endif
 457     }
 458
 459     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 460     gui_synclist_set_icon_callback(&tree_lists,
 461                                    global_settings.show_icons?tree_get_fileicon:NULL);
 462     if( tc.selected_item >= tc.filesindir)
 463         tc.selected_item=tc.filesindir-1;
 464
 465     gui_synclist_select_item(&tree_lists, tc.selected_item);
 466 #ifdef HAVE_BUTTONBAR
 467     if (global_settings.buttonbar) {
 468         if (*tc.dirfilter < NUM_FILTER_MODES)
 469             gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
 470                           str(LANG_SYSFONT_DIRBROWSE_F2),
 471                           str(LANG_SYSFONT_DIRBROWSE_F3));
 472         else
 473             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 474         gui_buttonbar_draw(&tree_buttonbar);
 475     }
 476 #endif
 477     gui_synclist_draw(&tree_lists);
 478     gui_synclist_speak_item(&tree_lists);
 479     return tc.filesindir;
 480 }
 481
 482 /* load tracks from specified directory to resume play */
 483 void resume_directory(const char *dir)
 484 {
 485     int dirfilter = *tc.dirfilter;
 486     int ret;
 487 #ifdef HAVE_TAGCACHE
 488     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 489 #endif
 490     /* make sure the dirfilter is sane. The only time it should be possible
 491      * thats its not is when resume playlist is called from a plugin
 492      */
 493 #ifdef HAVE_TAGCACHE
 494     if (!id3db)
 495 #endif
 496         *tc.dirfilter = global_settings.dirfilter;
 497     ret = ft_load(&tc, dir);
 498     *tc.dirfilter = dirfilter;
 499     if (ret < 0)
 500         return;
 501     lastdir[0] = 0;
 502
 503     ft_build_playlist(&tc, 0);
 504
 505 #ifdef HAVE_TAGCACHE
 506     if (id3db)
 507         tagtree_load(&tc);
 508 #endif
 509 }
 510
 511 /* Returns the current working directory and also writes cwd to buf if
 512    non-NULL.  In case of error, returns NULL. */
 513 char *getcwd(char *buf, getcwd_size_t size)
 514 {
 515     if (!buf)
 516         return tc.currdir;
 517     else if (size)
 518     {
 519         if ((getcwd_size_t)strlcpy(buf, tc.currdir, size) < size)
 520             return buf;
 521     }
 522     /* size == 0, or truncation in strlcpy */
 523     return NULL;
 524 }
 525
 526 /* Force a reload of the directory next time directory browser is called */
 527 void reload_directory(void)
 528 {
 529     reload_dir = true;
 530 }
 531
 532 char* get_current_file(char* buffer, size_t buffer_len)
 533 {
 534 #ifdef HAVE_TAGCACHE
 535     /* in ID3DB mode it is a bad idea to call this function */
 536     /* (only happens with `follow playlist') */
 537     if( *tc.dirfilter == SHOW_ID3DB )
 538         return NULL;
 539 #endif
 540
 541     struct entry* dc = tc.dircache;
 542     struct entry* e = &dc[tc.selected_item];
 543     if (getcwd(buffer, buffer_len))
 544     {
 545         if (tc.dirlength)
 546         {
 547             if (buffer[strlen(buffer)-1] != '/')
 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(const char *path)
 566 {
 567     const 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         strlcpy(tc.currdir, path, name - path + 1);
 583         name++;
 584     }
 585     else
 586     {
 587         strcpy(tc.currdir, "/");
 588         name = path+1;
 589     }
 590
 591     strcpy(lastfile, name);
 592
 593
 594     /* If we changed dir we must recalculate the dirlevel
 595        and adjust the selected history properly */
 596     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 597     {
 598         tc.dirlevel =  0;
 599         tc.selected_item_history[tc.dirlevel] = -1;
 600
 601         /* use '/' to calculate dirlevel */
 602         for (i = 1; path[i] != '\0'; i++)
 603         {
 604             if (path[i] == '/')
 605             {
 606                 tc.dirlevel++;
 607                 tc.selected_item_history[tc.dirlevel] = -1;
 608             }
 609         }
 610     }
 611     if (ft_load(&tc, NULL) >= 0)
 612     {
 613         tc.selected_item = tree_get_file_position(lastfile);
 614     }
 615 }
 616
 617
 618 /* main loop, handles key events */
 619 static int dirbrowse()
 620 {
 621     int numentries=0;
 622     char buf[MAX_PATH];
 623     int button, oldbutton;
 624     bool reload_root = false;
 625     int lastfilter = *tc.dirfilter;
 626     bool lastsortcase = global_settings.sort_case;
 627     bool exit_func = false;
 628
 629     char* currdir = tc.currdir; /* just a shortcut */
 630 #ifdef HAVE_TAGCACHE
 631     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 632
 633     if (id3db)
 634         curr_context=CONTEXT_ID3DB;
 635     else
 636 #endif
 637         curr_context=CONTEXT_TREE;
 638     if (tc.selected_item < 0)
 639         tc.selected_item = 0;
 640 #ifdef HAVE_TAGCACHE
 641     tc.firstpos = 0;
 642     lasttable = -1;
 643     lastextra = -1;
 644     lastfirstpos = 0;
 645 #endif
 646
 647     start_wps = false;
 648     numentries = update_dir();
 649     reload_dir = false;
 650     if (numentries == -1)
 651         return GO_TO_PREVIOUS;  /* currdir is not a directory */
 652
 653     if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 654     {
 655         splash(HZ*2, ID2P(LANG_NO_FILES));
 656         return GO_TO_PREVIOUS;  /* No files found for rockbox_browser() */
 657     }
 658
 659     gui_synclist_draw(&tree_lists);
 660     while(1) {
 661         struct entry *dircache = tc.dircache;
 662         bool restore = false;
 663         if (tc.dirlevel < 0)
 664             tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */
 665 #ifdef BOOTFILE
 666         if (boot_changed) {
 667             static const char *lines[]={ID2P(LANG_BOOT_CHANGED), ID2P(LANG_REBOOT_NOW)};
 668             static const struct text_message message={lines, 2};
 669             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 670                 rolo_load("/" BOOTFILE);
 671             restore = true;
 672             boot_changed = false;
 673         }
 674 #endif
 675         button = get_action(CONTEXT_TREE,
 676                             list_do_action_timeout(&tree_lists, HZ/2));
 677         oldbutton = button;
 678         gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
 679         tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 680         switch ( button ) {
 681             case ACTION_STD_OK:
 682                 /* nothing to do if no files to display */
 683                 if ( numentries == 0 )
 684                     break;
 685
 686 #ifdef HAVE_TAGCACHE
 687                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 688 #else
 689                 switch (ft_enter(&tc))
 690 #endif
 691                 {
 692                     case GO_TO_FILEBROWSER: reload_dir = true; break;
 693                     case GO_TO_WPS:
 694                         return GO_TO_WPS;
 695 #if CONFIG_TUNER
 696                     case GO_TO_FM:
 697                         return GO_TO_FM;
 698 #endif
 699                     case GO_TO_ROOT: exit_func = true; break;
 700                     default: break;
 701                 }
 702                 restore = true;
 703                 break;
 704
 705             case ACTION_STD_CANCEL:
 706                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 707                     exit_func = true;
 708                     break;
 709                 }
 710                 if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
 711                     ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
 712                 {
 713 #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
 714                     if (oldbutton == ACTION_TREE_PGLEFT)
 715                         break;
 716                     else
 717 #endif
 718                         return GO_TO_ROOT;
 719                 }
 720
 721 #ifdef HAVE_TAGCACHE
 722                 if (id3db)
 723                     tagtree_exit(&tc);
 724                 else
 725 #endif
 726                     if (ft_exit(&tc) == 3)
 727                         exit_func = true;
 728
 729                 restore = true;
 730                 break;
 731
 732             case ACTION_TREE_STOP:
 733                 if (list_stop_handler())
 734                     restore = true;
 735                 break;
 736
 737             case ACTION_STD_MENU:
 738                 return GO_TO_ROOT;
 739                 break;
 740
 741 #ifdef HAVE_RECORDING
 742             case ACTION_STD_REC:
 743                 return GO_TO_RECSCREEN;
 744 #endif
 745
 746             case ACTION_TREE_WPS:
 747                 return GO_TO_PREVIOUS_MUSIC;
 748                 break;
 749 #ifdef HAVE_QUICKSCREEN
 750             case ACTION_STD_QUICKSCREEN:
 751                 /* don't enter f2 from plugin browser */
 752                 if (*tc.dirfilter < NUM_FILTER_MODES)
 753                 {
 754                     if (quick_screen_quick(button))
 755                         reload_dir = true;
 756                     restore = true;
 757                 }
 758                 break;
 759 #endif
 760 #ifdef BUTTON_F3
 761             case ACTION_F3:
 762                 /* don't enter f3 from plugin browser */
 763                 if (*tc.dirfilter < NUM_FILTER_MODES)
 764                 {
 765                     if (quick_screen_f3(ACTION_F3))
 766                         reload_dir = true;
 767                     restore = true;
 768                 }
 769                 break;
 770 #endif
 771
 772 #ifdef HAVE_HOTKEY
 773             case ACTION_TREE_HOTKEY:
 774                 if (!global_settings.hotkey_tree)
 775                     break;
 776                 /* fall through */
 777 #endif
 778             case ACTION_STD_CONTEXT:
 779             {
 780                 bool hotkey = button == ACTION_TREE_HOTKEY;
 781                 int onplay_result;
 782                 int attr = 0;
 783
 784                 if(!numentries)
 785                     onplay_result = onplay(NULL, 0, curr_context, hotkey);
 786                 else {
 787 #ifdef HAVE_TAGCACHE
 788                     if (id3db)
 789                     {
 790                         if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
 791                         {
 792                             attr = FILE_ATTR_AUDIO;
 793                             tagtree_get_filename(&tc, buf, sizeof(buf));
 794                         }
 795                         else
 796                             attr = ATTR_DIRECTORY;
 797                     }
 798                     else
 799 #endif
 800                     {
 801                         attr = dircache[tc.selected_item].attr;
 802
 803                         if (currdir[1]) /* Not in / */
 804                             snprintf(buf, sizeof buf, "%s/%s",
 805                                      currdir,
 806                                      dircache[tc.selected_item].name);
 807                         else /* In / */
 808                             snprintf(buf, sizeof buf, "/%s",
 809                                      dircache[tc.selected_item].name);
 810                     }
 811                     onplay_result = onplay(buf, attr, curr_context, hotkey);
 812                 }
 813                 switch (onplay_result)
 814                 {
 815                     case ONPLAY_MAINMENU:
 816                         return GO_TO_ROOT;
 817
 818                     case ONPLAY_OK:
 819                         restore = true;
 820                         break;
 821
 822                     case ONPLAY_RELOAD_DIR:
 823                         reload_dir = true;
 824                         break;
 825
 826                     case ONPLAY_START_PLAY:
 827                         return GO_TO_WPS;
 828                         break;
 829                 }
 830                 break;
 831             }
 832
 833 #ifdef HAVE_HOTSWAP
 834             case SYS_FS_CHANGED:
 835 #ifdef HAVE_TAGCACHE
 836                 if (!id3db)
 837 #endif
 838                     reload_dir = true;
 839                 /* The 'dir no longer valid' situation will be caught later
 840                  * by checking the showdir() result. */
 841                 break;
 842 #endif
 843
 844             default:
 845                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 846                 {
 847                     if(*tc.dirfilter > NUM_FILTER_MODES)
 848                         /* leave sub-browsers after usb, doing otherwise
 849                            might be confusing to the user */
 850                         exit_func = true;
 851                     else
 852                         reload_dir = true;
 853                 }
 854                 break;
 855         }
 856         if (start_wps)
 857             return GO_TO_WPS;
 858         if (button && !IS_SYSEVENT(button))
 859         {
 860             storage_spin();
 861         }
 862
 863
 864     check_rescan:
 865         /* do we need to rescan dir? */
 866         if (reload_dir || reload_root ||
 867             lastfilter != *tc.dirfilter ||
 868             lastsortcase != global_settings.sort_case)
 869         {
 870             if (reload_root) {
 871                 strcpy(currdir, "/");
 872                 tc.dirlevel = 0;
 873 #ifdef HAVE_TAGCACHE
 874                 tc.currtable = 0;
 875                 tc.currextra = 0;
 876                 lasttable = -1;
 877                 lastextra = -1;
 878 #endif
 879                 reload_root = false;
 880             }
 881
 882             if (!reload_dir)
 883             {
 884                 gui_synclist_select_item(&tree_lists, 0);
 885                 gui_synclist_draw(&tree_lists);
 886                 tc.selected_item = 0;
 887                 lastdir[0] = 0;
 888             }
 889
 890             lastfilter = *tc.dirfilter;
 891             lastsortcase = global_settings.sort_case;
 892             restore = true;
 893         }
 894
 895         if (exit_func)
 896             return GO_TO_PREVIOUS;
 897
 898         if (restore || reload_dir) {
 899             /* restore display */
 900             numentries = update_dir();
 901             reload_dir = false;
 902             if (currdir[1] && (numentries < 0))
 903             {   /* not in root and reload failed */
 904                 reload_root = true; /* try root */
 905                 goto check_rescan;
 906             }
 907         }
 908     }
 909     return true;
 910 }
 911
 912 bool create_playlist(void)
 913 {
 914     char filename[MAX_PATH];
 915
 916     snprintf(filename, sizeof filename, "%s.m3u8",
 917              tc.currdir[1] ? tc.currdir : "/root");
 918     splashf(0, "%s %s", str(LANG_CREATING), filename);
 919
 920     trigger_cpu_boost();
 921     catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename);
 922     cancel_cpu_boost();
 923
 924     return true;
 925 }
 926
 927 int rockbox_browse(const char *root, int dirfilter)
 928 {
 929     static char current[MAX_PATH];
 930     int ret_val = 0;
 931     int *last_filter = tc.dirfilter;
 932     tc.dirfilter = &dirfilter;
 933     tc.sort_dir = global_settings.sort_dir;
 934
 935     reload_dir = true;
 936     if (dirfilter >= NUM_FILTER_MODES)
 937     {
 938         static struct tree_context backup;
 939         int last_context;
 940         const char *ext, *setting;
 941
 942         backup = tc;
 943         tc.selected_item = 0;
 944         tc.dirlevel = 0;
 945         memcpy(tc.currdir, root, sizeof(tc.currdir));
 946         start_wps = false;
 947         last_context = curr_context;
 948
 949         /* if we are in a special settings folder, center the current setting */
 950         switch(dirfilter)
 951         {
 952             case SHOW_LNG:
 953                 ext = "lng";
 954                 if (global_settings.lang_file[0])
 955                     setting = global_settings.lang_file;
 956                 else
 957                     setting = "english";
 958                 break;
 959             case SHOW_WPS:
 960                 ext = "wps";
 961                 setting = global_settings.wps_file;
 962                 break;
 963 #ifdef HAVE_REMOTE_LCD
 964             case SHOW_RWPS:
 965                 ext = "rwps";
 966                 setting = global_settings.rwps_file;
 967                 break;
 968             case SHOW_RSBS:
 969                 ext = "rsbs";
 970                 setting = global_settings.rsbs_file;
 971                 break;
 972 #if CONFIG_TUNER
 973             case SHOW_RFMS:
 974                 ext = "rfms";
 975                 setting = global_settings.rfms_file;
 976                 break;
 977 #endif /* CONFIG_TUNER */
 978 #endif
 979 #ifdef HAVE_LCD_BITMAP
 980             case SHOW_FONT:
 981                 ext = "fnt";
 982                 setting = global_settings.font_file;
 983                 break;
 984             case SHOW_SBS:
 985                 ext = "sbs";
 986                 setting = global_settings.sbs_file;
 987                 break;
 988 #if CONFIG_TUNER
 989             case SHOW_FMS:
 990                 ext = "fms";
 991                 setting = global_settings.fms_file;
 992                 break;
 993 #endif /* CONFIG_TUNER */
 994 #endif
 995 #if CONFIG_TUNER
 996             case SHOW_FMR:
 997                 ext = "fmr";
 998                 setting = global_settings.fmr_file;
 999                 break;
1000 #endif
1001             default:
1002                 ext = setting = NULL;
1003                 break;
1004         }
1005
1006         /* If we've found a file to center on, do it */
1007         if (setting)
1008         {
1009             /* if setting != NULL, ext is initialized */
1010             snprintf(current, sizeof(current), "%s/%s.%s", root, setting, ext);
1011             set_current_file(current);
1012             /* set_current_file changes dirlevel, change it back */
1013             tc.dirlevel = 0;
1014         }
1015
1016         ret_val = dirbrowse();
1017         tc = backup;
1018         curr_context = last_context;
1019     }
1020     else
1021     {
1022         if (dirfilter != SHOW_ID3DB)
1023             tc.dirfilter = &global_settings.dirfilter;
1024         strcpy(current,root);
1025         set_current_file(current);
1026         ret_val = dirbrowse();
1027     }
1028     tc.dirfilter = last_filter;
1029     return ret_val;
1030 }
1031
1032 void tree_mem_init(void)
1033 {
1034     /* We copy the settings value in case it is changed by the user. We can't
1035        use it until the next reboot. */
1036     max_files = global_settings.max_files_in_dir;
1037
1038     /* initialize tree context struct */
1039     memset(&tc, 0, sizeof(tc));
1040     tc.dirfilter = &global_settings.dirfilter;
1041     tc.sort_dir = global_settings.sort_dir;
1042
1043     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1044     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1045
1046     tc.dircache_size = max_files * sizeof(struct entry);
1047     tc.dircache = buffer_alloc(tc.dircache_size);
1048     tree_get_filetypes(&filetypes, &filetypes_count);
1049 }
1050
1051 bool bookmark_play(char *resume_file, int index, int offset, int seed,
1052                    char *filename)
1053 {
1054     int i;
1055     char* suffix = strrchr(resume_file, '.');
1056     bool started = false;
1057
1058     if (suffix != NULL &&
1059         (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8")))
1060     {
1061         /* Playlist playback */
1062         char* slash;
1063         /* check that the file exists */
1064         if(!file_exists(resume_file))
1065             return false;
1066
1067         slash = strrchr(resume_file,'/');
1068         if (slash)
1069         {
1070             char* cp;
1071             *slash=0;
1072
1073             cp=resume_file;
1074             if (!cp[0])
1075                 cp="/";
1076
1077             if (playlist_create(cp, slash+1) != -1)
1078             {
1079                 if (global_settings.playlist_shuffle)
1080                     playlist_shuffle(seed, -1);
1081                 playlist_start(index,offset);
1082                 started = true;
1083             }
1084             *slash='/';
1085         }
1086     }
1087     else
1088     {
1089         /* Directory playback */
1090         lastdir[0]='\0';
1091         if (playlist_create(resume_file, NULL) != -1)
1092         {
1093             char filename_buf[MAX_PATH + 1];
1094             const char* peek_filename;
1095             resume_directory(resume_file);
1096             if (global_settings.playlist_shuffle)
1097                 playlist_shuffle(seed, -1);
1098
1099             /* Check if the file is at the same spot in the directory,
1100                else search for it */
1101             peek_filename = playlist_peek(index, filename_buf,
1102                 sizeof(filename_buf));
1103
1104             if (peek_filename == NULL)
1105             {
1106                 /* playlist has shrunk, search from the top */
1107                 index = 0;
1108                 peek_filename = playlist_peek(index, filename_buf,
1109                     sizeof(filename_buf));
1110                 if (peek_filename == NULL)
1111                     return false;
1112             }
1113
1114             if (strcmp(strrchr(peek_filename, '/') + 1, filename))
1115             {
1116                 for ( i=0; i < playlist_amount(); i++ )
1117                 {
1118                     peek_filename = playlist_peek(i, filename_buf,
1119                         sizeof(filename_buf));
1120
1121                     if (peek_filename == NULL)
1122                         return false;
1123
1124                     if (!strcmp(strrchr(peek_filename, '/') + 1, filename))
1125                         break;
1126                 }
1127                 if (i < playlist_amount())
1128                     index = i;
1129                 else
1130                     return false;
1131             }
1132             playlist_start(index,offset);
1133             started = true;
1134         }
1135     }
1136
1137     if (started)
1138         start_wps = true;
1139     return started;
1140 }
1141
1142 static void say_filetype(int attr)
1143 {
1144     /* try to find a voice ID for the extension, if known */
1145     int j;
1146     attr &= FILE_ATTR_MASK; /* file type */
1147     for (j=0; j<filetypes_count; j++)
1148         if (attr == filetypes[j].tree_attr)
1149         {
1150             talk_id(filetypes[j].voiceclip, true);
1151             return;
1152         }
1153 }
1154
1155 static int ft_play_dirname(char* name)
1156 {
1157 #if CONFIG_CODEC != SWCODEC
1158     if (audio_status() & AUDIO_STATUS_PLAY)
1159         return 0;
1160 #endif
1161
1162     if(talk_file(tc.currdir, name, dir_thumbnail_name, NULL,
1163                  NULL, false))
1164     {
1165         if(global_settings.talk_filetype)
1166             talk_id(VOICE_DIR, true);
1167         return 1;
1168     }
1169     else
1170         return -1;
1171 }
1172
1173 static void ft_play_filename(char *dir, char *file)
1174 {
1175 #if CONFIG_CODEC != SWCODEC
1176     if (audio_status() & AUDIO_STATUS_PLAY)
1177         return;
1178 #endif
1179
1180     if (strlen(file) >= strlen(file_thumbnail_ext)
1181         && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1182                       file_thumbnail_ext))
1183         /* file has no .talk extension */
1184         talk_file(dir, NULL, file, file_thumbnail_ext,
1185                   NULL, false);
1186     else
1187         /* it already is a .talk file, play this directly, but prefix it. */
1188         talk_file(dir, NULL, file, NULL,
1189                   TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false);
1190 }
1191
1192 /* These two functions are called by the USB and shutdown handlers */
1193 void tree_flush(void)
1194 {
1195 #ifdef HAVE_TAGCACHE
1196     tagcache_shutdown();
1197 #endif
1198
1199 #ifdef HAVE_TC_RAMCACHE
1200     tagcache_unload_ramcache();
1201 #endif
1202
1203 #ifdef HAVE_DIRCACHE
1204     {
1205         int old_val = global_status.dircache_size;
1206         if (global_settings.dircache)
1207         {
1208             if (!dircache_is_initializing())
1209                 global_status.dircache_size = dircache_get_cache_size();
1210 # ifdef HAVE_EEPROM_SETTINGS
1211             if (firmware_settings.initialized)
1212                 dircache_save();
1213 # endif
1214             dircache_disable();
1215         }
1216         else
1217         {
1218             global_status.dircache_size = 0;
1219         }
1220         if (old_val != global_status.dircache_size)
1221             status_save();
1222     }
1223 #endif
1224 }
1225
1226 void tree_restore(void)
1227 {
1228 #ifdef HAVE_EEPROM_SETTINGS
1229     firmware_settings.disk_clean = false;
1230 #endif
1231
1232 #ifdef HAVE_TC_RAMCACHE
1233     remove(TAGCACHE_STATEFILE);
1234 #endif
1235
1236 #ifdef HAVE_DIRCACHE
1237     remove(DIRCACHE_FILE);
1238     if (global_settings.dircache)
1239     {
1240         /* Print "Scanning disk..." to the display. */
1241         splash(0, str(LANG_SCANNING_DISK));
1242
1243         dircache_build(global_status.dircache_size);
1244     }
1245 #endif
1246 #ifdef HAVE_TAGCACHE
1247     tagcache_start_scan();
1248 #endif
1249 }