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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <stdbool.h>
  23
  24 #include "applimits.h"
  25 #include "dir.h"
  26 #include "file.h"
  27 #include "lcd.h"
  28 #include "font.h"
  29 #include "backlight.h"
  30 #include "button.h"
  31 #include "kernel.h"
  32 #include "usb.h"
  33 #include "tree.h"
  34 #include "main_menu.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 "status.h"
  42 #include "debug.h"
  43 #include "ata.h"
  44 #include "rolo.h"
  45 #include "icons.h"
  46 #include "lang.h"
  47 #include "language.h"
  48 #include "screens.h"
  49 #include "keyboard.h"
  50 #include "bookmark.h"
  51 #include "onplay.h"
  52 #include "buffer.h"
  53 #include "plugin.h"
  54 #include "power.h"
  55 #include "action.h"
  56 #include "talk.h"
  57 #include "filetypes.h"
  58 #include "misc.h"
  59 #include "filetree.h"
  60 #include "tagtree.h"
  61 #include "recorder/recording.h"
  62 #include "rtc.h"
  63 #include "dircache.h"
  64 #include "tagcache.h"
  65 #include "yesno.h"
  66 #include "gwps-common.h"
  67
  68 /* gui api */
  69 #include "list.h"
  70 #include "statusbar.h"
  71 #include "splash.h"
  72 #include "buttonbar.h"
  73 #include "textarea.h"
  74
  75 #ifdef HAVE_LCD_BITMAP
  76 #include "widgets.h"
  77 #endif
  78
  79 #ifdef HAVE_LCD_COLOR
  80 #include "backdrop.h"
  81 #endif
  82
  83 /* a table for the know file types */
  84 const struct filetype filetypes[] = {
  85     { "mp3", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  86     { "mp2", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  87     { "mpa", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  88 #if CONFIG_CODEC == SWCODEC
  89     /* Temporary hack to allow playlist creation */
  90     { "mp1", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  91     { "ogg", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  92     { "wma", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  93     { "wav", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  94     { "flac",TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  95     { "ac3", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  96     { "a52", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  97     { "mpc", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  98     { "wv",  TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
  99     { "m4a", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 100     { "mp4", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 101     { "shn", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 102     { "aif", TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 103     { "aiff",TREE_ATTR_MPA, Icon_Audio, VOICE_EXT_MPA },
 104 #endif
 105     { "m3u", TREE_ATTR_M3U, Icon_Playlist, LANG_PLAYLIST },
 106     { "cfg", TREE_ATTR_CFG, Icon_Config, VOICE_EXT_CFG },
 107     { "wps", TREE_ATTR_WPS, Icon_Wps, VOICE_EXT_WPS },
 108 #ifdef HAVE_REMOTE_LCD
 109     { "rwps", TREE_ATTR_RWPS, Icon_Wps, VOICE_EXT_RWPS },
 110 #endif
 111 #ifdef HAVE_LCD_COLOR
 112     { "bmp", TREE_ATTR_BMP, Icon_Wps, VOICE_EXT_WPS },
 113 #endif
 114 #ifdef CONFIG_TUNER
 115     { "fmr", TREE_ATTR_FMR, Icon_Preset, LANG_FMR },
 116 #endif
 117     { "lng", TREE_ATTR_LNG, Icon_Language, LANG_LANGUAGE },
 118     { "rock",TREE_ATTR_ROCK,Icon_Plugin, VOICE_EXT_ROCK },
 119 #ifdef HAVE_LCD_BITMAP
 120     { "fnt", TREE_ATTR_FONT,Icon_Font, VOICE_EXT_FONT },
 121     { "kbd", TREE_ATTR_KBD, Icon_Keyboard, VOICE_EXT_KBD },
 122 #endif
 123     { "bmark",TREE_ATTR_BMARK, Icon_Bookmark, VOICE_EXT_BMARK },
 124 #ifdef BOOTFILE_EXT
 125     { BOOTFILE_EXT, TREE_ATTR_MOD, Icon_Firmware, VOICE_EXT_AJZ },
 126 #endif /* #ifndef SIMULATOR */
 127 };
 128
 129 struct gui_synclist tree_lists;
 130
 131 /* I put it here because other files doesn't use it yet,
 132  * but should be elsewhere since it will be used mostly everywhere */
 133 #ifdef HAS_BUTTONBAR
 134 struct gui_buttonbar tree_buttonbar;
 135 #endif
 136 static struct tree_context tc;
 137
 138 bool boot_changed = false;
 139
 140 char lastfile[MAX_PATH];
 141 static char lastdir[MAX_PATH];
 142 static int lasttable, lastextra, lastfirstpos;
 143 static int max_files = 0;
 144
 145 static bool reload_dir = false;
 146
 147 static bool start_wps = false;
 148 static bool dirbrowse(void);
 149 static int curr_context = false;/* id3db or tree*/
 150
 151 /*
 152  * removes the extension of filename (if it doesn't start with a .)
 153  * puts the result in buffer
 154  */
 155 char * strip_extension(char * filename, char * buffer)
 156 {
 157     int dotpos;
 158     char * dot=strrchr(filename, '.');
 159     if(dot!=0 && filename[0]!='.')
 160     {
 161         dotpos = dot-filename;
 162         strncpy(buffer, filename, dotpos);
 163         buffer[dotpos]='\0';
 164         return(buffer);
 165     }
 166     else
 167         return(filename);
 168 }
 169 char * tree_get_filename(int selected_item, void * data, char *buffer)
 170 {
 171     struct tree_context * local_tc=(struct tree_context *)data;
 172     char *name;
 173     int attr=0;
 174     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 175
 176     if (id3db)
 177     {
 178         return tagtree_get_entry(&tc, selected_item)->name;
 179     }
 180     else
 181     {
 182         struct entry* dc = local_tc->dircache;
 183         struct entry* e = &dc[selected_item];
 184         name = e->name;
 185         attr = e->attr;
 186     }
 187     /* if any file filter is on, and if it's not a directory,
 188      * strip the extension */
 189
 190     if ( (*(local_tc->dirfilter) != SHOW_ID3DB) && !(attr & ATTR_DIRECTORY)
 191         && (*(local_tc->dirfilter) != SHOW_ALL) )
 192     {
 193         return(strip_extension(name, buffer));
 194     }
 195     return(name);
 196 }
 197
 198
 199 void tree_get_fileicon(int selected_item, void * data, ICON * icon)
 200 {
 201     struct tree_context * local_tc=(struct tree_context *)data;
 202     bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB;
 203     if (id3db) {
 204         *icon = (ICON)tagtree_get_icon(&tc);
 205     }
 206     else {
 207         struct entry* dc = local_tc->dircache;
 208         struct entry* e = &dc[selected_item];
 209         *icon = (ICON)filetype_get_icon(e->attr);
 210     }
 211 }
 212
 213 bool check_rockboxdir(void)
 214 {
 215     DIR *dir = opendir(ROCKBOX_DIR);
 216     if(!dir)
 217     {   /* No need to localise this message.
 218            If .rockbox is missing, it wouldn't work anyway */
 219         int i;
 220         FOR_NB_SCREENS(i)
 221             screens[i].clear_display();
 222         gui_syncsplash(HZ*2, true, "No .rockbox directory");
 223         FOR_NB_SCREENS(i)
 224             screens[i].clear_display();
 225         gui_syncsplash(HZ*2, true, "Installation incomplete");
 226         return false;
 227     }
 228     closedir(dir);
 229     return true;
 230 }
 231
 232 void browse_root(void)
 233 {
 234     gui_sync_wps_screen_init();
 235
 236     filetype_init();
 237     check_rockboxdir();
 238
 239     strcpy(tc.currdir, "/");
 240
 241 #ifdef HAVE_LCD_CHARCELLS
 242     int i;
 243     FOR_NB_SCREENS(i)
 244         screens[i].double_height(false);
 245 #endif
 246 #ifdef HAS_BUTTONBAR
 247     gui_buttonbar_init(&tree_buttonbar);
 248     /* since archos only have one screen, no need to create more than that */
 249     gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) );
 250 #endif
 251     gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1);
 252     gui_synclist_set_icon_callback(&tree_lists,
 253                   global_settings.show_icons?&tree_get_fileicon:NULL);
 254 #ifndef SIMULATOR
 255     dirbrowse();
 256 #else
 257     if (!dirbrowse()) {
 258         DEBUGF("No filesystem found. Have you forgotten to create it?\n");
 259     }
 260 #endif
 261 }
 262
 263 void tree_get_filetypes(const struct filetype** types, int* count)
 264 {
 265     *types = filetypes;
 266     *count = sizeof(filetypes) / sizeof(*filetypes);
 267 }
 268
 269 struct tree_context* tree_get_context(void)
 270 {
 271     return &tc;
 272 }
 273
 274 /* talkbox hovering delay, to avoid immediate disk activity */
 275 #define HOVER_DELAY (HZ/2)
 276 /*
 277  * Returns the position of a given file in the current directory
 278  * returns -1 if not found
 279  */
 280 int tree_get_file_position(char * filename)
 281 {
 282     int i;
 283
 284     /* use lastfile to determine the selected item (default=0) */
 285     for (i=0; i < tc.filesindir; i++)
 286     {
 287         struct entry* dc = tc.dircache;
 288         struct entry* e = &dc[i];
 289         if (!strcasecmp(e->name, filename))
 290             return(i);
 291     }
 292     return(-1);/* no file can match, returns undefined */
 293 }
 294
 295 /*
 296  * Called when a new dir is loaded (for example when returning from other apps ...)
 297  * also completely redraws the tree
 298  */
 299 static int update_dir(void)
 300 {
 301     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 302     bool changed = false;
 303     /* Checks for changes */
 304     if (id3db) {
 305         if (tc.currtable != lasttable ||
 306             tc.currextra != lastextra ||
 307             tc.firstpos  != lastfirstpos ||
 308             reload_dir)
 309         {
 310             if (tagtree_load(&tc) < 0)
 311                 return -1;
 312
 313             lasttable = tc.currtable;
 314             lastextra = tc.currextra;
 315             lastfirstpos = tc.firstpos;
 316             changed = true;
 317         }
 318     }
 319     else {
 320         /* if the tc.currdir has been changed, reload it ...*/
 321         if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir) {
 322
 323             if (ft_load(&tc, NULL) < 0)
 324                 return -1;
 325             strcpy(lastdir, tc.currdir);
 326             changed = true;
 327         }
 328     }
 329     /* if selected item is undefined */
 330     if (tc.selected_item == -1)
 331     {
 332         /* use lastfile to determine the selected item */
 333         tc.selected_item = tree_get_file_position(lastfile);
 334
 335         /* If the file doesn't exists, select the first one (default) */
 336         if(tc.selected_item < 0)
 337             tc.selected_item = 0;
 338         changed = true;
 339     }
 340     if (changed)
 341     {
 342         if(!id3db && (tc.dirfull ||
 343                       tc.filesindir == global_settings.max_files_in_dir) )
 344         {
 345             gui_syncsplash(HZ, true, str(LANG_SHOWDIR_BUFFER_FULL));
 346         }
 347     }
 348     gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
 349     gui_synclist_set_icon_callback(&tree_lists,
 350                   global_settings.show_icons?&tree_get_fileicon:NULL);
 351     if( tc.selected_item >= tc.filesindir)
 352         tc.selected_item=tc.filesindir-1;
 353
 354     gui_synclist_select_item(&tree_lists, tc.selected_item);
 355 #ifdef HAS_BUTTONBAR
 356     if (global_settings.buttonbar) {
 357         if (*tc.dirfilter < NUM_FILTER_MODES)
 358             gui_buttonbar_set(&tree_buttonbar, str(LANG_DIRBROWSE_F1),
 359                           str(LANG_DIRBROWSE_F2),
 360                           str(LANG_DIRBROWSE_F3));
 361         else
 362             gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
 363         gui_buttonbar_draw(&tree_buttonbar);
 364     }
 365 #endif
 366     gui_synclist_draw(&tree_lists);
 367     gui_syncstatusbar_draw(&statusbars, true);
 368     return tc.filesindir;
 369 }
 370
 371 /* load tracks from specified directory to resume play */
 372 void resume_directory(const char *dir)
 373 {
 374     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 375
 376     if (ft_load(&tc, dir) < 0)
 377         return;
 378     lastdir[0] = 0;
 379
 380     ft_build_playlist(&tc, 0);
 381
 382     if (id3db)
 383         tagtree_load(&tc);
 384 }
 385
 386 /* Returns the current working directory and also writes cwd to buf if
 387    non-NULL.  In case of error, returns NULL. */
 388 char *getcwd(char *buf, int size)
 389 {
 390     if (!buf)
 391         return tc.currdir;
 392     else if (size > 0)
 393     {
 394         strncpy(buf, tc.currdir, size);
 395         return buf;
 396     }
 397     else
 398         return NULL;
 399 }
 400
 401 /* Force a reload of the directory next time directory browser is called */
 402 void reload_directory(void)
 403 {
 404     reload_dir = true;
 405 }
 406
 407 static void start_resume(bool just_powered_on)
 408 {
 409     bool do_resume = false;
 410     if ( global_settings.resume_index != -1 ) {
 411         DEBUGF("Resume index %X offset %X\n",
 412                global_settings.resume_index,
 413                global_settings.resume_offset);
 414
 415 #ifdef HAVE_ALARM_MOD
 416         if ( rtc_check_alarm_started(true) ) {
 417            rtc_enable_alarm(false);
 418            do_resume = true;
 419         }
 420 #endif
 421
 422         /* always resume? */
 423         if ( global_settings.resume || ! just_powered_on)
 424             do_resume = true;
 425
 426         if (! do_resume) return;
 427
 428         if (playlist_resume() != -1)
 429         {
 430             playlist_start(global_settings.resume_index,
 431                 global_settings.resume_offset);
 432
 433             start_wps = true;
 434         }
 435         else return;
 436     }
 437     else if (! just_powered_on) {
 438         gui_syncsplash(HZ*2, true, str(LANG_NOTHING_TO_RESUME));
 439     }
 440 }
 441
 442 /* Selects a file and update tree context properly */
 443 void set_current_file(char *path)
 444 {
 445     char *name;
 446     int i;
 447
 448     /* in ID3DB mode it is a bad idea to call this function */
 449     /* (only happens with `follow playlist') */
 450     if( *tc.dirfilter == SHOW_ID3DB )
 451         return;
 452
 453     /* separate directory from filename */
 454     /* gets the directory's name and put it into tc.currdir */
 455     name = strrchr(path+1,'/');
 456     if (name)
 457     {
 458         *name = 0;
 459         strcpy(tc.currdir, path);
 460         *name = '/';
 461         name++;
 462     }
 463     else
 464     {
 465         strcpy(tc.currdir, "/");
 466         name = path+1;
 467     }
 468
 469     strcpy(lastfile, name);
 470
 471     /* undefined item selected */
 472     tc.selected_item = -1;
 473
 474     /* If we changed dir we must recalculate the dirlevel
 475        and adjust the selected history properly */
 476     if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
 477     {
 478         tc.dirlevel =  0;
 479         tc.selected_item_history[tc.dirlevel] = -1;
 480
 481         /* use '/' to calculate dirlevel */
 482         /* FIXME : strlen(path) : crazy oO better to store it at
 483            the beginning */
 484         int path_len = strlen(path) + 1;
 485         for (i = 1; i < path_len; i++)
 486         {
 487             if (path[i] == '/')
 488             {
 489                 tc.dirlevel++;
 490                 tc.selected_item_history[tc.dirlevel] = -1;
 491             }
 492         }
 493     }
 494 }
 495
 496 static bool check_changed_id3mode(bool currmode)
 497 {
 498     if (currmode != (global_settings.dirfilter == SHOW_ID3DB)) {
 499         currmode = global_settings.dirfilter == SHOW_ID3DB;
 500         if (currmode) {
 501             curr_context=CONTEXT_ID3DB;
 502             tagtree_load(&tc);
 503         }
 504         else
 505         {
 506             curr_context=CONTEXT_TREE;
 507             ft_load(&tc, NULL);
 508         }
 509     }
 510     return currmode;
 511 }
 512 /* main loop, handles key events */
 513 static bool dirbrowse(void)
 514 {
 515     int numentries=0;
 516     char buf[MAX_PATH];
 517     int lasti = -1;
 518     unsigned button;
 519     bool reload_root = false;
 520     int lastfilter = *tc.dirfilter;
 521     bool lastsortcase = global_settings.sort_case;
 522     bool need_update = true;
 523     bool exit_func = false;
 524     long thumbnail_time = -1; /* for delaying a thumbnail */
 525
 526     unsigned lastbutton = 0;
 527     char* currdir = tc.currdir; /* just a shortcut */
 528     bool id3db = *tc.dirfilter == SHOW_ID3DB;
 529
 530     if (id3db)
 531         curr_context=CONTEXT_ID3DB;
 532     else
 533         curr_context=CONTEXT_TREE;
 534     tc.selected_item = 0;
 535     tc.dirlevel=0;
 536     tc.firstpos=0;
 537     lasttable = -1;
 538     lastextra = -1;
 539     lastfirstpos = 0;
 540
 541     if (*tc.dirfilter < NUM_FILTER_MODES) {
 542 #ifdef HAVE_RECORDING
 543 #ifndef SIMULATOR
 544         if (global_settings.rec_startup) {
 545             /* We fake being in the menu structure by calling
 546                the appropriate parent when we drop out of each screen */
 547             recording_screen();
 548             rec_menu();
 549             main_menu();
 550         }
 551         else
 552 #endif
 553 #endif
 554         start_resume(true);
 555
 556     }
 557     /* If we don't need to show the wps, draw the dir */
 558     if (!start_wps) {
 559         numentries = update_dir();
 560         if (numentries == -1)
 561             return false;  /* currdir is not a directory */
 562
 563         if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
 564         {
 565             gui_syncsplash(HZ*2, true, str(LANG_NO_FILES));
 566             return false;  /* No files found for rockbox_browser() */
 567         }
 568     }
 569
 570     while(1) {
 571         struct entry *dircache = tc.dircache;
 572         bool restore = false;
 573 #ifdef BOOTFILE
 574         if (boot_changed) {
 575             char *lines[]={str(LANG_BOOT_CHANGED), str(LANG_REBOOT_NOW)};
 576             struct text_message message={lines, 2};
 577             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 578                 rolo_load("/" BOOTFILE);
 579             restore = true;
 580             boot_changed = false;
 581         }
 582 #endif
 583         button = button_get_w_tmo(HZ/5);
 584         need_update = gui_synclist_do_button(&tree_lists, button);
 585
 586         switch ( button ) {
 587 #ifdef TREE_ENTER
 588             case TREE_ENTER:
 589             case TREE_ENTER | BUTTON_REPEAT:
 590 #endif
 591 #ifdef TREE_RC_RUN
 592             case TREE_RC_RUN:
 593 #endif
 594             case TREE_RUN:
 595 #ifdef TREE_RUN_PRE
 596                 if (((button == TREE_RUN)
 597 #ifdef TREE_RC_RUN_PRE
 598                     || (button == TREE_RC_RUN))
 599                         && ((lastbutton != TREE_RC_RUN_PRE)
 600 #endif
 601                     && (lastbutton != TREE_RUN_PRE)))
 602                     break;
 603 #endif
 604                 /* nothing to do if no files to display */
 605                 if ( numentries == 0 )
 606                     break;
 607
 608                 switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
 609                 {
 610                     case 1: reload_dir = true; break;
 611                     case 2: start_wps = true; break;
 612                     case 3: exit_func = true; break;
 613                     default: break;
 614                 }
 615                 restore = true;
 616                 break;
 617
 618             case TREE_EXIT:
 619             case TREE_EXIT | BUTTON_REPEAT:
 620 #ifdef TREE_RC_EXIT
 621             case TREE_RC_EXIT:
 622 #endif
 623                 if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
 624                     exit_func = true;
 625                     break;
 626                 }
 627                 /* if we are in /, nothing to do */
 628                 if (tc.dirlevel == 0 && !strcmp(currdir,"/"))
 629                     break;
 630
 631                 if (id3db)
 632                     tagtree_exit(&tc);
 633                 else
 634                     if (ft_exit(&tc) == 3)
 635                         exit_func = true;
 636
 637                 restore = true;
 638                 break;
 639
 640 #ifdef TREE_OFF
 641             case TREE_OFF:
 642                 if (*tc.dirfilter < NUM_FILTER_MODES)
 643                 {
 644                     /* Stop the music if it is playing */
 645                     if(audio_status()) {
 646                         if (!global_settings.party_mode) {
 647                             if (global_settings.fade_on_stop)
 648                                 fade(0);
 649                             bookmark_autobookmark();
 650                             audio_stop();
 651                         }
 652                     }
 653 #if defined(CONFIG_CHARGING) && \
 654     (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 655                     else {
 656                         if (!charger_inserted()) {
 657                             if(shutdown_screen())
 658                                 reload_dir = true;
 659                         } else {
 660                             charging_splash();
 661                         }
 662                         restore = true;
 663                     }
 664 #endif
 665                 }
 666                 break;
 667 #if defined(CONFIG_CHARGING) && !defined(HAVE_POWEROFF_WHILE_CHARGING)
 668             case TREE_OFF | BUTTON_REPEAT:
 669                 if (charger_inserted()) {
 670                     charging_splash();
 671                     restore = true;
 672                 }
 673                 break;
 674 #endif
 675 #endif /* TREE_OFF */
 676             case TREE_MENU:
 677 #ifdef TREE_RC_MENU
 678             case TREE_RC_MENU:
 679 #endif
 680 #ifdef TREE_MENU_PRE
 681                 if (lastbutton != TREE_MENU_PRE
 682 #ifdef TREE_RC_MENU_PRE
 683                     && lastbutton != TREE_RC_MENU_PRE
 684 #endif
 685                     )
 686                     break;
 687 #endif
 688                 /* don't enter menu from plugin browser */
 689                 if (*tc.dirfilter < NUM_FILTER_MODES)
 690                 {
 691                     int i;
 692                     FOR_NB_SCREENS(i)
 693                         screens[i].stop_scroll();
 694                     if (main_menu())
 695                         reload_dir = true;
 696                     restore = true;
 697
 698                     id3db = check_changed_id3mode(id3db);
 699                     if(id3db)
 700                         reload_dir = true;
 701                 }
 702                 else /* use it as a quick exit instead */
 703                     exit_func = true;
 704                 break;
 705
 706             case TREE_WPS:
 707 #ifdef TREE_RC_WPS
 708             case TREE_RC_WPS:
 709 #endif
 710 #ifdef TREE_WPS_PRE
 711                 if ((lastbutton != TREE_WPS_PRE)
 712 #ifdef TREE_RC_WPS
 713                     && (lastbutton != TREE_RC_WPS_PRE)
 714 #endif
 715                     )
 716                     break;
 717 #endif
 718                 /* don't enter wps from plugin browser etc */
 719                 if (*tc.dirfilter < NUM_FILTER_MODES)
 720                 {
 721                     if (audio_status() & AUDIO_STATUS_PLAY)
 722                     {
 723                         start_wps=true;
 724                     }
 725                     else
 726                     {
 727                         start_resume(false);
 728                         restore = true;
 729                     }
 730                 }
 731                 break;
 732
 733 #ifdef HAVE_QUICKSCREEN
 734             case TREE_QUICK:
 735 #ifdef TREE_RC_QUICK
 736             case TREE_RC_QUICK:
 737 #endif
 738                 /* don't enter f2 from plugin browser */
 739                 if (*tc.dirfilter < NUM_FILTER_MODES)
 740                 {
 741                     if (quick_screen_quick(button))
 742                         reload_dir = true;
 743                     restore = true;
 744
 745                     id3db = check_changed_id3mode(id3db);
 746                     reload_dir = true;
 747                 }
 748                 break;
 749 #endif
 750
 751 #ifdef BUTTON_F3
 752             case BUTTON_F3:
 753                 /* don't enter f3 from plugin browser */
 754                 if (*tc.dirfilter < NUM_FILTER_MODES)
 755                 {
 756                     if (quick_screen_f3(button))
 757                         reload_dir = true;
 758                     restore = true;
 759                 }
 760                 break;
 761 #endif
 762
 763             case TREE_CONTEXT:
 764 #ifdef TREE_RC_CONTEXT
 765             case TREE_RC_CONTEXT:
 766 #endif
 767 #ifdef TREE_CONTEXT2
 768             case TREE_CONTEXT2:
 769 #endif
 770             {
 771                 int onplay_result;
 772                 int attr = 0;
 773
 774                 if(!numentries)
 775                     onplay_result = onplay(NULL, 0, curr_context);
 776                 else {
 777                     if (id3db)
 778                     {
 779                         if (tagtree_get_attr(&tc) == TREE_ATTR_MPA)
 780                         {
 781                             attr = TREE_ATTR_MPA;
 782                             tagtree_get_filename(&tc, buf, sizeof(buf));
 783                         }
 784                     }
 785                     else
 786                     {
 787                         attr = dircache[tc.selected_item].attr;
 788
 789                         if (currdir[1]) /* Not in / */
 790                             snprintf(buf, sizeof buf, "%s/%s",
 791                                      currdir,
 792                                      dircache[tc.selected_item].name);
 793                         else /* In / */
 794                             snprintf(buf, sizeof buf, "/%s",
 795                                      dircache[tc.selected_item].name);
 796                     }
 797                     onplay_result = onplay(buf, attr, curr_context);
 798                 }
 799                 switch (onplay_result)
 800                 {
 801                     case ONPLAY_OK:
 802                         restore = true;
 803                         break;
 804
 805                     case ONPLAY_RELOAD_DIR:
 806                         reload_dir = true;
 807                         break;
 808
 809                     case ONPLAY_START_PLAY:
 810                         start_wps = true;
 811                         break;
 812                 }
 813                 break;
 814             }
 815
 816             case BUTTON_NONE:
 817                 if (thumbnail_time != -1 &&
 818                     TIME_AFTER(current_tick, thumbnail_time))
 819                 {   /* a delayed hovering thumbnail is due now */
 820                     int res;
 821                     int attr;
 822                     char* name;
 823
 824                     if (id3db)
 825                     {
 826                         attr = tagtree_get_attr(&tc);
 827                         name = tagtree_get_entry(&tc, lasti)->name;
 828                     }
 829                     else
 830                     {
 831                         attr = dircache[lasti].attr;
 832                         name = dircache[lasti].name;
 833                     }
 834
 835                     if (attr & ATTR_DIRECTORY)
 836                     {
 837                         DEBUGF("Playing directory thumbnail: %s", currdir);
 838                         res = ft_play_dirname(name);
 839                         if (res < 0) /* failed, not existing */
 840                         {   /* say the number instead, as a fallback */
 841                             talk_id(VOICE_DIR, false);
 842                             talk_number(lasti+1, true);
 843                         }
 844                     }
 845                     else
 846                     {
 847                         DEBUGF("Playing file thumbnail: %s/%s%s\n",
 848                                currdir, name,
 849                                file_thumbnail_ext);
 850                         /* no fallback necessary, we knew in advance
 851                            that the file exists */
 852                         ft_play_filename(currdir, name);
 853                     }
 854                     thumbnail_time = -1; /* job done */
 855                 }
 856                 gui_syncstatusbar_draw(&statusbars, false);
 857                 break;
 858
 859 #ifdef HAVE_HOTSWAP
 860             case SYS_FS_CHANGED:
 861                 if (!id3db)
 862                     reload_dir = true;
 863                 /* The 'dir no longer valid' situation will be caught later
 864                  * by checking the showdir() result. */
 865                 break;
 866 #endif
 867
 868             default:
 869                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 870                 {
 871                     if(*tc.dirfilter > NUM_FILTER_MODES)
 872                         /* leave sub-browsers after usb, doing otherwise
 873                            might be confusing to the user */
 874                         exit_func = true;
 875                     else
 876                         reload_dir = true;
 877                 }
 878                 break;
 879         }
 880
 881         if ( button )
 882         {
 883             ata_spin();
 884             lastbutton = button;
 885         }
 886
 887         if (start_wps && audio_status() )
 888         {
 889             int i;
 890
 891             FOR_NB_SCREENS(i)
 892                 screens[i].stop_scroll();
 893
 894             if (gui_wps_show() == SYS_USB_CONNECTED)
 895                 reload_dir = true;
 896 #ifdef HAVE_HOTSWAP
 897             else
 898                 if (!id3db) /* Try reload to catch 'no longer valid' case. */
 899                     reload_dir = true;
 900 #endif
 901 #ifdef HAVE_LCD_COLOR
 902             show_main_backdrop();
 903 #endif
 904             id3db = check_changed_id3mode(id3db);
 905             restore = true;
 906             start_wps=false;
 907         }
 908
 909     check_rescan:
 910         /* do we need to rescan dir? */
 911         if (reload_dir || reload_root ||
 912             lastfilter != *tc.dirfilter ||
 913             lastsortcase != global_settings.sort_case)
 914         {
 915             if ( reload_root ) {
 916                 strcpy(currdir, "/");
 917                 tc.dirlevel = 0;
 918                 tc.currtable = 0;
 919                 tc.currextra = 0;
 920                 lasttable = -1;
 921                 lastextra = -1;
 922                 reload_root = false;
 923             }
 924
 925             if (! reload_dir )
 926             {
 927                 gui_synclist_select_item(&tree_lists, 0);
 928                 gui_synclist_draw(&tree_lists);
 929                 tc.selected_item = 0;
 930                 lastdir[0] = 0;
 931             }
 932
 933             lastfilter = *tc.dirfilter;
 934             lastsortcase = global_settings.sort_case;
 935             restore = true;
 936             button_clear_queue(); /* clear button queue */
 937         }
 938
 939         if (exit_func)
 940             break;
 941
 942         if (restore || reload_dir) {
 943             /* restore display */
 944             numentries = update_dir();
 945             if (currdir[1] && (numentries < 0))
 946             {   /* not in root and reload failed */
 947                 reload_root = true; /* try root */
 948                 reload_dir = false;
 949                 goto check_rescan;
 950             }
 951             need_update = true;
 952             reload_dir = false;
 953         }
 954
 955         if(need_update) {
 956             tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
 957             need_update=false;
 958             if ( numentries > 0 ) {
 959                 /* Voice the file if changed */
 960                 if(lasti != tc.selected_item || restore) {
 961                     int attr;
 962                     char* name;
 963
 964                     lasti = tc.selected_item;
 965                     thumbnail_time = -1; /* Cancel whatever we were
 966                                             about to say */
 967
 968                     if (id3db)
 969                     {
 970                         attr = tagtree_get_attr(&tc);
 971                         name = tagtree_get_entry(&tc, tc.selected_item)->name;
 972                     }
 973                     else
 974                     {
 975                         attr = dircache[tc.selected_item].attr;
 976                         name = dircache[tc.selected_item].name;
 977                     }
 978
 979                     /* Directory? */
 980                     if (attr & ATTR_DIRECTORY)
 981                     {
 982                         /* play directory thumbnail */
 983                         switch (global_settings.talk_dir) {
 984                             case 1: /* dirs as numbers */
 985                                 talk_id(VOICE_DIR, false);
 986                                 talk_number(tc.selected_item+1, true);
 987                                 break;
 988
 989                             case 2: /* dirs spelled */
 990                                 talk_spell(name, false);
 991                                 break;
 992
 993                             case 3: /* thumbnail clip */
 994                                 /* "schedule" a thumbnail, to have a little
 995                                    delay */
 996                                 thumbnail_time = current_tick + HOVER_DELAY;
 997                                 break;
 998
 999                             default:
1000                                 break;
1001                         }
1002                     }
1003                     else /* file */
1004                     {
1005                         switch (global_settings.talk_file) {
1006                             case 1: /* files as numbers */
1007                                 ft_play_filenumber(
1008                                     tc.selected_item-tc.dirsindir+1,
1009                                     attr & TREE_ATTR_MASK);
1010                                 break;
1011
1012                             case 2: /* files spelled */
1013                                 talk_spell(name, false);
1014                                 break;
1015
1016                             case 3: /* thumbnail clip */
1017                                 /* "schedule" a thumbnail, to have a little
1018                                    delay */
1019                                 if (attr & TREE_ATTR_THUMBNAIL)
1020                                     thumbnail_time = current_tick + HOVER_DELAY;
1021                                 else
1022                                     /* spell the number as fallback */
1023                                     talk_spell(name, false);
1024                                 break;
1025
1026                             default:
1027                                 break;
1028                         }
1029                     }
1030                 }
1031             }
1032         }
1033     }
1034
1035     return true;
1036 }
1037
1038 static int plsize = 0;
1039 static long pltick;
1040 static bool add_dir(char* dirname, int len, int fd)
1041 {
1042     bool abort = false;
1043     DIRCACHED* dir;
1044
1045     /* check for user abort */
1046     if (button_get(false) == TREE_ABORT)
1047         return true;
1048
1049     dir = opendir_cached(dirname);
1050     if(!dir)
1051         return true;
1052
1053     while (true) {
1054         struct dircache_entry *entry;
1055
1056         entry = readdir_cached(dir);
1057         if (!entry)
1058             break;
1059         if (entry->attribute & ATTR_DIRECTORY) {
1060             int dirlen = strlen(dirname);
1061             bool result;
1062
1063             if (!strcmp((char *)entry->d_name, ".") ||
1064                 !strcmp((char *)entry->d_name, ".."))
1065                 continue;
1066
1067             if (dirname[1])
1068                 snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
1069             else
1070                 snprintf(dirname, len, "/%s", entry->d_name);
1071
1072             result = add_dir(dirname, len, fd);
1073             dirname[dirlen] = '\0';
1074             if (result) {
1075                 abort = true;
1076                 break;
1077             }
1078         }
1079         else {
1080             int x = strlen((char *)entry->d_name);
1081             unsigned int i;
1082             char *cp = strrchr((char *)entry->d_name,'.');
1083
1084             if (cp) {
1085                 cp++;
1086
1087                 /* add all supported audio files to playlists */
1088                 for (i=0; i < sizeof(filetypes)/sizeof(struct filetype); i++) {
1089                     if (filetypes[i].tree_attr == TREE_ATTR_MPA) {
1090                         if (!strcasecmp(cp, filetypes[i].extension)) {
1091                             char buf[8];
1092                             int i;
1093                             write(fd, dirname, strlen(dirname));
1094                             write(fd, "/", 1);
1095                             write(fd, entry->d_name, x);
1096                             write(fd, "\n", 1);
1097
1098                             plsize++;
1099                             if(TIME_AFTER(current_tick, pltick+HZ/4)) {
1100                                 pltick = current_tick;
1101
1102                                 snprintf(buf, sizeof buf, "%d", plsize);
1103 #ifdef HAVE_LCD_BITMAP
1104                                 FOR_NB_SCREENS(i)
1105                                 {
1106                                     screens[i].puts(0, 4, (unsigned char *)buf);
1107                                     gui_textarea_update(&screens[i]);
1108                                 }
1109 #else
1110                                 x = 10;
1111                                 if (plsize > 999)
1112                                     x=7;
1113                                 else {
1114                                     if (plsize > 99)
1115                                         x=8;
1116                                     else {
1117                                         if (plsize > 9)
1118                                             x=9;
1119                                     }
1120                                 }
1121                                 FOR_NB_SCREENS(i) {
1122                                     screens[i].puts(x,0,buf);
1123                                 }
1124 #endif
1125                             }
1126                             break;
1127                         }
1128                     }
1129                 }
1130             }
1131         }
1132     }
1133     closedir_cached(dir);
1134
1135     return abort;
1136 }
1137
1138 bool create_playlist(void)
1139 {
1140     int fd;
1141     int i;
1142     char filename[MAX_PATH];
1143
1144     pltick = current_tick;
1145
1146     snprintf(filename, sizeof filename, "%s.m3u",
1147              tc.currdir[1] ? tc.currdir : "/root");
1148     FOR_NB_SCREENS(i)
1149     {
1150         gui_textarea_clear(&screens[i]);
1151         screens[i].puts(0, 0, str(LANG_CREATING));
1152         screens[i].puts_scroll(0, 1, (unsigned char *)filename);
1153 #if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
1154         gui_textarea_update(&screens[i]);
1155 #endif
1156     }
1157     fd = creat(filename, O_WRONLY);
1158     if (fd < 0)
1159         return false;
1160
1161 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
1162     cpu_boost(true);
1163 #endif
1164
1165     snprintf(filename, sizeof(filename), "%s",
1166              tc.currdir[1] ? tc.currdir : "/");
1167     plsize = 0;
1168     add_dir(filename, sizeof(filename), fd);
1169     close(fd);
1170
1171 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
1172     cpu_boost(false);
1173 #endif
1174
1175     sleep(HZ);
1176
1177     return true;
1178 }
1179
1180 bool rockbox_browse(const char *root, int dirfilter)
1181 {
1182     static struct tree_context backup;
1183
1184     backup = tc;
1185     reload_dir = true;
1186     memcpy(tc.currdir, root, sizeof(tc.currdir));
1187     start_wps = false;
1188     tc.dirfilter = &dirfilter;
1189
1190     dirbrowse();
1191
1192     tc = backup;
1193     return false;
1194 }
1195
1196 void tree_init(void)
1197 {
1198     /* We copy the settings value in case it is changed by the user. We can't
1199        use it until the next reboot. */
1200     max_files = global_settings.max_files_in_dir;
1201
1202     /* initialize tree context struct */
1203     memset(&tc, 0, sizeof(tc));
1204     tc.dirfilter = &global_settings.dirfilter;
1205
1206     tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
1207     tc.name_buffer = buffer_alloc(tc.name_buffer_size);
1208
1209     tc.dircache_size = max_files * sizeof(struct entry);
1210     tc.dircache = buffer_alloc(tc.dircache_size);
1211 }
1212
1213 void bookmark_play(char *resume_file, int index, int offset, int seed,
1214                    char *filename)
1215 {
1216     int i;
1217     int len=strlen(resume_file);
1218
1219     if (!strcasecmp(&resume_file[len-4], ".m3u"))
1220     {
1221         /* Playlist playback */
1222         char* slash;
1223         /* check that the file exists */
1224         int fd = open(resume_file, O_RDONLY);
1225         if(fd<0)
1226             return;
1227         close(fd);
1228
1229         slash = strrchr(resume_file,'/');
1230         if (slash)
1231         {
1232             char* cp;
1233             *slash=0;
1234
1235             cp=resume_file;
1236             if (!cp[0])
1237                 cp="/";
1238
1239             if (playlist_create(cp, slash+1) != -1)
1240             {
1241                 if (global_settings.playlist_shuffle)
1242                     playlist_shuffle(seed, -1);
1243                 playlist_start(index,offset);
1244             }
1245             *slash='/';
1246         }
1247     }
1248     else
1249     {
1250         /* Directory playback */
1251         lastdir[0]='\0';
1252         if (playlist_create(resume_file, NULL) != -1)
1253         {
1254             resume_directory(resume_file);
1255             if (global_settings.playlist_shuffle)
1256                 playlist_shuffle(seed, -1);
1257
1258             /* Check if the file is at the same spot in the directory,
1259                else search for it */
1260             if ((strcmp(strrchr(playlist_peek(index),'/') + 1,
1261                         filename)))
1262             {
1263                 for ( i=0; i < playlist_amount(); i++ )
1264                 {
1265                     if ((strcmp(strrchr(playlist_peek(i),'/') + 1,
1266                                 filename)) == 0)
1267                         break;
1268                 }
1269                 if (i < playlist_amount())
1270                     index = i;
1271                 else
1272                     return;
1273             }
1274             playlist_start(index,offset);
1275         }
1276     }
1277
1278     start_wps=true;
1279 }
1280
1281 int ft_play_filenumber(int pos, int attr)
1282 {
1283     /* try to find a voice ID for the extension, if known */
1284     unsigned int j;
1285     int ext_id = -1; /* default to none */
1286     for (j=0; j<sizeof(filetypes)/sizeof(*filetypes); j++)
1287     {
1288         if (attr == filetypes[j].tree_attr)
1289         {
1290             ext_id = filetypes[j].voiceclip;
1291             break;
1292         }
1293     }
1294
1295     talk_id(VOICE_FILE, false);
1296     talk_number(pos, true);
1297     talk_id(ext_id, true);
1298     return 1;
1299 }
1300
1301 int ft_play_dirname(char* name)
1302 {
1303     int fd;
1304     char dirname_mp3_filename[MAX_PATH+1];
1305
1306     if (audio_status() & AUDIO_STATUS_PLAY)
1307         return 0;
1308
1309     snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
1310              tc.currdir[1] ? tc.currdir : "" , name,
1311              dir_thumbnail_name);
1312
1313     DEBUGF("Checking for %s\n", dirname_mp3_filename);
1314
1315     fd = open(dirname_mp3_filename, O_RDONLY);
1316     if (fd < 0)
1317     {
1318         DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
1319         return -1;
1320     }
1321
1322     close(fd);
1323
1324     DEBUGF("Found: %s\n", dirname_mp3_filename);
1325
1326     talk_file(dirname_mp3_filename, false);
1327     return 1;
1328 }
1329
1330 void ft_play_filename(char *dir, char *file)
1331 {
1332     char name_mp3_filename[MAX_PATH+1];
1333
1334     if (audio_status() & AUDIO_STATUS_PLAY)
1335         return;
1336
1337     if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
1338                     file_thumbnail_ext))
1339     {   /* file has no .talk extension */
1340         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1341                  "%s/%s%s", dir, file, file_thumbnail_ext);
1342
1343         talk_file(name_mp3_filename, false);
1344     }
1345     else
1346     {   /* it already is a .talk file, play this directly */
1347         snprintf(name_mp3_filename, sizeof(name_mp3_filename),
1348             "%s/%s", dir, file);
1349         talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
1350         talk_file(name_mp3_filename, true);
1351     }
1352 }
1353
1354 /* These two functions are called by the USB and shutdown handlers */
1355 void tree_flush(void)
1356 {
1357     tagcache_stop_scan();
1358     playlist_shutdown();
1359
1360 #ifdef HAVE_DIRCACHE
1361     if (global_settings.dircache)
1362     {
1363         if (dircache_is_enabled())
1364             global_settings.dircache_size = dircache_get_cache_size();
1365         dircache_disable();
1366     }
1367     else
1368     {
1369         global_settings.dircache_size = 0;
1370     }
1371     settings_save();
1372 #endif
1373 }
1374
1375 void tree_restore(void)
1376 {
1377 #ifdef HAVE_DIRCACHE
1378     if (global_settings.dircache)
1379     {
1380         /* Print "Scanning disk..." to the display. */
1381         int i;
1382         FOR_NB_SCREENS(i)
1383         {
1384             screens[i].putsxy((LCD_WIDTH/2) -
1385                               ((strlen(str(LANG_DIRCACHE_BUILDING)) *
1386                                 screens[i].char_width)/2),
1387                               LCD_HEIGHT-screens[i].char_height*3,
1388                               str(LANG_DIRCACHE_BUILDING));
1389             gui_textarea_update(&screens[i]);
1390         }
1391
1392         dircache_build(global_settings.dircache_size);
1393
1394         /* Clean the text when we are done. */
1395         FOR_NB_SCREENS(i)
1396         {
1397             gui_textarea_clear(&screens[i]);
1398         }
1399     }
1400 #endif
1401     tagcache_start_scan();
1402 }