apps/playlist_viewer.c

   1 /***************************************************************************
   2  *
   3  *             __________               __   ___.
   4  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   5  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   6  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   7  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   8  *                     \/            \/     \/    \/            \/
   9  * $Id$
  10  *
  11  * Copyright (C) 2003 Hardeep Sidhu
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22 /*
  23  * Kevin Ferrare 2005/10/16
  24  * multi-screen support, rewrote a lot of code
  25  */
  26 #include <string.h>
  27 #include <sprintf.h>
  28 #include "playlist.h"
  29 #include "audio.h"
  30 #include "screens.h"
  31 #include "settings.h"
  32 #include "icons.h"
  33 #include "menu.h"
  34 #include "plugin.h"
  35 #include "keyboard.h"
  36 #include "filetypes.h"
  37 #include "onplay.h"
  38 #include "talk.h"
  39 #include "misc.h"
  40 #include "action.h"
  41 #include "debug.h"
  42 #include "backlight.h"
  43
  44 #include "lang.h"
  45
  46 #include "playlist_viewer.h"
  47 #include "playlist_catalog.h"
  48 #include "icon.h"
  49 #include "list.h"
  50 #include "splash.h"
  51 #include "playlist_menu.h"
  52 #include "action.h"
  53
  54 /* Maximum number of tracks we can have loaded at one time */
  55 #define MAX_PLAYLIST_ENTRIES 200
  56
  57 /* The number of items between the selected one and the end/start of
  58  * the buffer under which the buffer must reload */
  59 #define MIN_BUFFER_MARGIN (screens[0].getnblines()+1)
  60
  61 /* Information about a specific track */
  62 struct playlist_entry {
  63     char *name;                 /* Formatted track name                     */
  64     int index;                  /* Playlist index                           */
  65     int display_index;          /* Display index                            */
  66     bool queued;                /* Is track queued?                         */
  67     bool skipped;               /* Is track marked as bad?                  */
  68 };
  69
  70 enum direction
  71 {
  72     FORWARD,
  73     BACKWARD
  74 };
  75
  76 struct playlist_buffer
  77 {
  78     char *name_buffer;        /* Buffer used to store track names */
  79     int buffer_size;          /* Size of name buffer */
  80
  81     int first_index;          /* Real index of first track loaded inside
  82                                  the buffer */
  83
  84     enum direction direction; /* Direction of the buffer (if the buffer
  85                                  was loaded BACKWARD, the last track in
  86                                  the buffer has a real index < to the
  87                                  real index of the the first track)*/
  88
  89     struct playlist_entry tracks[MAX_PLAYLIST_ENTRIES];
  90     int num_loaded;           /* Number of track entries loaded in buffer */
  91 };
  92
  93 /* Global playlist viewer settings */
  94 struct playlist_viewer {
  95     struct playlist_info* playlist; /* playlist being viewed                */
  96     int num_tracks;             /* Number of tracks in playlist             */
  97     int current_playing_track;  /* Index of current playing track           */
  98     int selected_track;         /* The selected track, relative (first is 0)*/
  99     int move_track;             /* Playlist index of track to move or -1    */
 100     struct playlist_buffer buffer;
 101 };
 102
 103 static struct playlist_viewer  viewer;
 104
 105 /* Used when viewing playlists on disk */
 106 static struct playlist_info temp_playlist;
 107
 108 static void playlist_buffer_init(struct playlist_buffer *pb, char *names_buffer,
 109                                  int names_buffer_size);
 110 static void playlist_buffer_load_entries(struct playlist_buffer * pb, int index,
 111                                          enum direction direction);
 112 static int playlist_entry_load(struct playlist_entry *entry, int index,
 113                                char* name_buffer, int remaining_size);
 114
 115 static struct playlist_entry * playlist_buffer_get_track(struct playlist_buffer *pb,
 116                                                          int index);
 117
 118 static bool playlist_viewer_init(struct playlist_viewer * viewer,
 119                                  const char* filename, bool reload);
 120
 121 static void format_name(char* dest, const char* src);
 122 static void format_line(const struct playlist_entry* track, char* str,
 123                         int len);
 124
 125 static bool update_playlist(bool force);
 126 static int  onplay_menu(int index);
 127 static bool viewer_menu(void);
 128 static int save_playlist_func(void);
 129
 130 static void playlist_buffer_init(struct playlist_buffer *pb, char *names_buffer,
 131                                  int names_buffer_size)
 132 {
 133     pb->name_buffer=names_buffer;
 134     pb->buffer_size=names_buffer_size;
 135     pb->first_index=0;
 136     pb->num_loaded=0;
 137 }
 138
 139 /*
 140  * Loads the entries following 'index' in the playlist buffer
 141  */
 142 static void playlist_buffer_load_entries(struct playlist_buffer *pb, int index,
 143                                          enum direction direction)
 144 {
 145     int num_entries = viewer.num_tracks;
 146     char* p = pb->name_buffer;
 147     int remaining = pb->buffer_size;
 148     int i;
 149
 150     pb->first_index = index;
 151     if (num_entries > MAX_PLAYLIST_ENTRIES)
 152         num_entries = MAX_PLAYLIST_ENTRIES;
 153
 154     for(i=0; i<num_entries; i++)
 155     {
 156         int len = playlist_entry_load(&(pb->tracks[i]), index, p, remaining);
 157         if (len < 0)
 158         {
 159             /* Out of name buffer space */
 160             num_entries = i;
 161             break;
 162         }
 163
 164         p += len;
 165         remaining -= len;
 166
 167         if(direction==FORWARD)
 168             index++;
 169         else
 170             index--;
 171         index+=viewer.num_tracks;
 172         index%=viewer.num_tracks;
 173     }
 174     pb->direction=direction;
 175     pb->num_loaded = i;
 176 }
 177
 178 static void playlist_buffer_load_entries_screen(struct playlist_buffer * pb,
 179                                                 enum direction direction)
 180 {
 181     if(direction==FORWARD)
 182     {
 183         int min_start=viewer.selected_track-2*screens[0].getnblines();
 184         while(min_start<0)
 185             min_start+=viewer.num_tracks;
 186         min_start %= viewer.num_tracks;
 187         playlist_buffer_load_entries(pb, min_start, FORWARD);
 188     }
 189      else
 190     {
 191         int max_start=viewer.selected_track+2*screens[0].getnblines();
 192         max_start%=viewer.num_tracks;
 193         playlist_buffer_load_entries(pb, max_start, BACKWARD);
 194     }
 195 }
 196
 197 static int playlist_entry_load(struct playlist_entry *entry, int index,
 198                                char* name_buffer, int remaining_size)
 199 {
 200     struct playlist_track_info info;
 201     int len;
 202
 203     /* Playlist viewer orders songs based on display index.  We need to
 204        convert to real playlist index to access track */
 205     index = (index + playlist_get_first_index(viewer.playlist)) %
 206         viewer.num_tracks;
 207     if (playlist_get_track_info(viewer.playlist, index, &info) < 0)
 208         return -1;
 209
 210     len = strlen(info.filename) + 1;
 211
 212     if (len <= remaining_size)
 213     {
 214         strcpy(name_buffer, info.filename);
 215
 216         entry->name = name_buffer;
 217         entry->index = info.index;
 218         entry->display_index = info.display_index;
 219         entry->queued = info.attr & PLAYLIST_ATTR_QUEUED;
 220         entry->skipped = info.attr & PLAYLIST_ATTR_SKIPPED;
 221         return len;
 222     }
 223     return -1;
 224 }
 225
 226 static int playlist_buffer_get_index(struct playlist_buffer *pb, int index)
 227 {
 228     int buffer_index;
 229     if(pb->direction==FORWARD)
 230     {
 231         if(index>=pb->first_index)
 232             buffer_index=index-pb->first_index;
 233         else /* rotation : track0 in buffer + requested track */
 234             buffer_index=(viewer.num_tracks-pb->first_index)+(index);
 235     }
 236     else
 237     {
 238         if(index<=pb->first_index)
 239             buffer_index=pb->first_index-index;
 240         else /* rotation : track0 in buffer + dist from the last track
 241                 to the requested track (num_tracks-requested track) */
 242             buffer_index=(pb->first_index)+(viewer.num_tracks-index);
 243     }
 244     return(buffer_index);
 245 }
 246
 247 #define distance(a, b) \
 248     a>b? (a) - (b) : (b) - (a)
 249 static bool playlist_buffer_needs_reload(struct playlist_buffer* pb,
 250                                          int track_index)
 251 {
 252     if(pb->num_loaded==viewer.num_tracks)
 253         return(false);
 254     int selected_index=playlist_buffer_get_index(pb, track_index);
 255     int first_buffer_index=playlist_buffer_get_index(pb, pb->first_index);
 256     int distance_beginning=distance(selected_index, first_buffer_index);
 257     if(distance_beginning<MIN_BUFFER_MARGIN)
 258         return(true);
 259
 260     if(pb->num_loaded - distance_beginning < MIN_BUFFER_MARGIN)
 261        return(true);
 262     return(false);
 263 }
 264
 265 static struct playlist_entry * playlist_buffer_get_track(struct playlist_buffer *pb,
 266                                                          int index)
 267 {
 268     int buffer_index=playlist_buffer_get_index(pb, index);
 269     return(&(pb->tracks[buffer_index]));
 270 }
 271
 272 /* Initialize the playlist viewer. */
 273 static bool playlist_viewer_init(struct playlist_viewer * viewer,
 274                                  const char* filename, bool reload)
 275 {
 276     char* buffer;
 277     size_t buffer_size;
 278     bool is_playing = audio_status() & (AUDIO_STATUS_PLAY | AUDIO_STATUS_PAUSE);
 279     bool have_list = filename || is_playing;
 280     if (!have_list && (global_status.resume_index != -1))
 281     {
 282         /* Try to restore the list from control file */
 283         have_list = (playlist_resume() != -1);
 284     }
 285     if (!have_list && (playlist_amount() > 0))
 286     {
 287          /*If dynamic playlist still exists, view it anyway even
 288         if playback has reached the end of the playlist */
 289         have_list = true;
 290     }
 291     if (!have_list)
 292     {
 293         /* Nothing to view, exit */
 294         splash(HZ, str(LANG_CATALOG_NO_PLAYLISTS));
 295         return false;
 296     }
 297
 298     buffer = plugin_get_buffer(&buffer_size);
 299     if (!buffer)
 300         return false;
 301
 302     if (!filename)
 303         viewer->playlist = NULL;
 304     else
 305     {
 306         /* Viewing playlist on disk */
 307         const char *dir, *file;
 308         char *temp_ptr;
 309         char *index_buffer = NULL;
 310         ssize_t index_buffer_size = 0;
 311
 312         viewer->playlist = &temp_playlist;
 313
 314         /* Separate directory from filename */
 315         temp_ptr = strrchr(filename+1,'/');
 316         if (temp_ptr)
 317         {
 318             *temp_ptr = 0;
 319             dir = filename;
 320             file = temp_ptr + 1;
 321         }
 322         else
 323         {
 324             dir = "/";
 325             file = filename+1;
 326         }
 327
 328         if (is_playing)
 329         {
 330             /* Something is playing, use half the plugin buffer for playlist
 331                indices */
 332             index_buffer_size = buffer_size / 2;
 333             index_buffer = buffer;
 334         }
 335
 336         playlist_create_ex(viewer->playlist, dir, file, index_buffer,
 337             index_buffer_size, buffer+index_buffer_size,
 338             buffer_size-index_buffer_size);
 339
 340         if (temp_ptr)
 341             *temp_ptr = '/';
 342
 343         buffer += index_buffer_size;
 344         buffer_size -= index_buffer_size;
 345     }
 346     playlist_buffer_init(&viewer->buffer, buffer, buffer_size );
 347
 348     viewer->move_track = -1;
 349
 350     if (!reload)
 351     {
 352         if (viewer->playlist)
 353             viewer->selected_track = 0;
 354         else
 355             viewer->selected_track = playlist_get_display_index() - 1;
 356     }
 357
 358     if (!update_playlist(true))
 359         return false;
 360     return true;
 361 }
 362
 363 /* Format trackname for display purposes */
 364 static void format_name(char* dest, const char* src)
 365 {
 366     switch (global_settings.playlist_viewer_track_display)
 367     {
 368         case 0:
 369         default:
 370         {
 371             /* Only display the filename */
 372             char* p = strrchr(src, '/');
 373
 374             strcpy(dest, p+1);
 375
 376             /* Remove the extension */
 377             strrsplt(dest, '.');
 378
 379             break;
 380         }
 381         case 1:
 382             /* Full path */
 383             strcpy(dest, src);
 384             break;
 385     }
 386 }
 387
 388 /* Format display line */
 389 static void format_line(const struct playlist_entry* track, char* str,
 390                         int len)
 391 {
 392     char name[MAX_PATH];
 393     char *skipped = "";
 394
 395     format_name(name, track->name);
 396
 397     if (track->skipped)
 398         skipped = "(ERR) ";
 399
 400     if (global_settings.playlist_viewer_indices)
 401         /* Display playlist index */
 402         snprintf(str, len, "%d. %s%s", track->display_index, skipped, name);
 403     else
 404         snprintf(str, len, "%s%s", skipped, name);
 405
 406 }
 407
 408 /* Update playlist in case something has changed or forced */
 409 static bool update_playlist(bool force)
 410 {
 411     if (!viewer.playlist)
 412         playlist_get_resume_info(&viewer.current_playing_track);
 413     else
 414         viewer.current_playing_track = -1;
 415     int nb_tracks=playlist_amount_ex(viewer.playlist);
 416     force=force || nb_tracks != viewer.num_tracks;
 417     if (force)
 418     {
 419         /* Reload tracks */
 420         viewer.num_tracks = nb_tracks;
 421         if (viewer.num_tracks <= 0)
 422             return false;
 423         playlist_buffer_load_entries_screen(&viewer.buffer, FORWARD);
 424         if (viewer.buffer.num_loaded <= 0)
 425             return false;
 426     }
 427     return true;
 428 }
 429
 430 /* Menu of playlist commands.  Invoked via ON+PLAY on main viewer screen.
 431    Returns -1 if USB attached, 0 if no playlist change, and 1 if playlist
 432    changed. */
 433 static int onplay_menu(int index)
 434 {
 435     int result, ret = 0;
 436     struct playlist_entry * current_track=
 437         playlist_buffer_get_track(&viewer.buffer, index);
 438     MENUITEM_STRINGLIST(menu_items, ID2P(LANG_PLAYLIST), NULL,
 439                         ID2P(LANG_REMOVE), ID2P(LANG_MOVE),
 440                         ID2P(LANG_CATALOG_ADD_TO), ID2P(LANG_CATALOG_ADD_TO_NEW));
 441     bool current = (current_track->index == viewer.current_playing_track);
 442
 443     result = do_menu(&menu_items, NULL, NULL, false);
 444     if (result == MENU_ATTACHED_USB)
 445     {
 446         ret = -1;
 447     }
 448     else if (result >= 0)
 449     {
 450         /* Abort current move */
 451         viewer.move_track = -1;
 452
 453         switch (result)
 454         {
 455             case 0:
 456                 /* delete track */
 457                 playlist_delete(viewer.playlist, current_track->index);
 458                 if (current)
 459                 {
 460                     if (playlist_amount_ex(viewer.playlist) <= 0)
 461                         audio_stop();
 462                     else
 463                     {
 464                        /* Start playing new track except if it's the lasttrack
 465                           track in the playlist and repeat mode is disabled */
 466                         current_track =
 467                             playlist_buffer_get_track(&viewer.buffer, index);
 468                         if (current_track->display_index!=viewer.num_tracks ||
 469                             global_settings.repeat_mode == REPEAT_ALL)
 470                         {
 471 #if CONFIG_CODEC != SWCODEC
 472                             talk_buffer_steal(); /* will use the mp3 buffer */
 473 #endif
 474                             audio_play(0);
 475                             viewer.current_playing_track = -1;
 476                         }
 477                     }
 478                 }
 479                 ret = 1;
 480                 break;
 481             case 1:
 482                 /* move track */
 483                 viewer.move_track = current_track->index;
 484                 ret = 0;
 485                 break;
 486             case 2: /* add to catalog */
 487             case 3: /* add to a new one */
 488                 catalog_add_to_a_playlist(current_track->name,
 489                                           FILE_ATTR_AUDIO,
 490                                           result==3, NULL);
 491                 ret = 0;
 492                 break;
 493         }
 494     }
 495     return ret;
 496 }
 497
 498 /* Menu of viewer options.  Invoked via F1(r) or Menu(p). */
 499 MENUITEM_SETTING(show_icons, &global_settings.playlist_viewer_icons, NULL);
 500 MENUITEM_SETTING(show_indices, &global_settings.playlist_viewer_indices, NULL);
 501 MENUITEM_SETTING(track_display,
 502                  &global_settings.playlist_viewer_track_display, NULL);
 503 MENUITEM_FUNCTION(save_playlist_item, 0, ID2P(LANG_SAVE_DYNAMIC_PLAYLIST),
 504                   save_playlist_func, 0, NULL, Icon_NOICON);
 505 MAKE_MENU(viewer_settings_menu, ID2P(LANG_PLAYLISTVIEWER_SETTINGS),
 506           NULL, Icon_Playlist,
 507           &show_icons, &show_indices, &track_display, &save_playlist_item);
 508 static bool viewer_menu(void)
 509 {
 510     return do_menu(&viewer_settings_menu, NULL, NULL, false) == MENU_ATTACHED_USB;
 511 }
 512
 513 /* Save playlist to disk */
 514 static int save_playlist_func(void)
 515 {
 516     save_playlist_screen(viewer.playlist);
 517     return 0;
 518 }
 519
 520 /* View current playlist */
 521 bool playlist_viewer(void)
 522 {
 523     return playlist_viewer_ex(NULL);
 524 }
 525
 526 static int get_track_num( struct playlist_viewer * local_viewer,
 527                           int selected_item )
 528 {
 529     if( local_viewer->move_track >= 0 )
 530     {
 531         if( local_viewer->selected_track == selected_item )
 532         {
 533             return local_viewer->move_track;
 534         }
 535         else if( local_viewer->selected_track > selected_item
 536               && selected_item >= local_viewer->move_track )
 537         {
 538             return selected_item+1;
 539         }
 540         else if( local_viewer->selected_track < selected_item
 541               && selected_item <= local_viewer->move_track )
 542         {
 543             return selected_item-1;
 544         }
 545     }
 546     return selected_item;
 547 }
 548
 549 static char *playlist_callback_name(int selected_item,
 550                                     void *data,
 551                                     char *buffer,
 552                                     size_t buffer_len)
 553 {
 554     struct playlist_viewer * local_viewer = (struct playlist_viewer *)data;
 555
 556     int track_num = get_track_num(local_viewer, selected_item);
 557     struct playlist_entry *track =
 558        playlist_buffer_get_track(&(local_viewer->buffer), track_num);
 559
 560     format_line(track, buffer, buffer_len);
 561
 562     return(buffer);
 563 }
 564
 565
 566 static int playlist_callback_icons(int selected_item, void *data)
 567 {
 568     struct playlist_viewer * local_viewer=(struct playlist_viewer *)data;
 569
 570     int track_num = get_track_num(local_viewer, selected_item);
 571     struct playlist_entry *track=
 572         playlist_buffer_get_track(&(local_viewer->buffer), track_num);
 573
 574     if (track->index == local_viewer->current_playing_track)
 575     {
 576         /* Current playing track */
 577         return Icon_Audio;
 578     }
 579     else if (track->index == local_viewer->move_track)
 580     {
 581         /* Track we are moving */
 582         return Icon_Moving;
 583     }
 584     else if (track->queued)
 585     {
 586         /* Queued track */
 587         return Icon_Queued;
 588     }
 589     else
 590         return Icon_NOICON;
 591 }
 592
 593 /* Main viewer function.  Filename identifies playlist to be viewed.  If NULL,
 594    view current playlist. */
 595 bool playlist_viewer_ex(const char* filename)
 596 {
 597     bool ret = false;       /* return value */
 598     bool exit=false;        /* exit viewer */
 599     int button;
 600     struct gui_synclist playlist_lists;
 601     if (!playlist_viewer_init(&viewer, filename, false))
 602         goto exit;
 603
 604     gui_synclist_init(&playlist_lists, playlist_callback_name,
 605                       &viewer, false, 1, NULL);
 606     gui_synclist_set_icon_callback(&playlist_lists,
 607                   global_settings.playlist_viewer_icons?
 608                   &playlist_callback_icons:NULL);
 609     gui_synclist_set_nb_items(&playlist_lists, viewer.num_tracks);
 610     gui_synclist_select_item(&playlist_lists, viewer.selected_track);
 611     gui_synclist_set_title(&playlist_lists, str(LANG_PLAYLIST), Icon_Playlist);
 612     gui_synclist_draw(&playlist_lists);
 613     while (!exit)
 614     {
 615         int track;
 616
 617         if (global_status.resume_index != -1 && !viewer.playlist)
 618             playlist_get_resume_info(&track);
 619         else
 620             track = -1;
 621
 622         if (track != viewer.current_playing_track ||
 623             playlist_amount_ex(viewer.playlist) != viewer.num_tracks)
 624         {
 625             /* Playlist has changed (new track started?) */
 626             if (!update_playlist(false))
 627                 goto exit;
 628             /*Needed because update_playlist gives wrong value when
 629                                                             playing is stopped*/
 630             viewer.current_playing_track = track;
 631             gui_synclist_set_nb_items(&playlist_lists, viewer.num_tracks);
 632             /* Abort move on playlist change */
 633             viewer.move_track = -1;
 634             gui_synclist_draw(&playlist_lists);
 635         }
 636
 637         /* Timeout so we can determine if play status has changed */
 638         button = get_action(CONTEXT_TREE,HZ/2);
 639         if( (gui_synclist_do_button(&playlist_lists, &button,LIST_WRAP_UNLESS_HELD)) )
 640         {
 641             viewer.selected_track=gui_synclist_get_sel_pos(&playlist_lists);
 642             if(playlist_buffer_needs_reload(&viewer.buffer,
 643                 viewer.selected_track))
 644                 playlist_buffer_load_entries_screen(&viewer.buffer,
 645                     button==ACTION_STD_NEXT?
 646                         FORWARD
 647                         :
 648                         BACKWARD
 649                     );
 650             gui_synclist_draw(&playlist_lists);
 651         }
 652         switch (button)
 653         {
 654             case ACTION_TREE_WPS:
 655             case ACTION_STD_CANCEL:
 656             {
 657                 if (viewer.move_track >= 0)
 658                 {
 659                     viewer.selected_track = viewer.move_track;
 660                     gui_synclist_select_item(&playlist_lists, viewer.move_track);
 661                     viewer.move_track = -1;
 662                     gui_synclist_draw(&playlist_lists);
 663                 }
 664                 else
 665                     exit = true;
 666                 break;
 667             }
 668             case ACTION_STD_OK:
 669             {
 670                 struct playlist_entry * current_track =
 671                     playlist_buffer_get_track(&viewer.buffer,
 672                     viewer.selected_track);
 673                 if (viewer.move_track >= 0)
 674                 {
 675                     /* Move track */
 676                     int ret_val;
 677
 678                     ret_val = playlist_move(viewer.playlist, viewer.move_track,
 679                         current_track->index);
 680                     if (ret_val < 0)
 681                          splashf(HZ, (unsigned char *)"%s %s", str(LANG_MOVE),
 682                                                                str(LANG_FAILED));
 683                     update_playlist(true);
 684                     viewer.move_track = -1;
 685                 }
 686                 else if (!viewer.playlist)
 687                 {
 688                     /* play new track */
 689                     playlist_start(current_track->index, 0);
 690                     update_playlist(false);
 691                 }
 692                 else
 693                 {
 694                     /* New playlist */
 695                     if (playlist_set_current(viewer.playlist) < 0)
 696                         goto exit;
 697
 698                     playlist_start(current_track->index, 0);
 699
 700                     /* Our playlist is now the current list */
 701                     if (!playlist_viewer_init(&viewer, NULL, true))
 702                         goto exit;
 703                 }
 704                 gui_synclist_draw(&playlist_lists);
 705
 706                 break;
 707             }
 708             case ACTION_STD_CONTEXT:
 709             {
 710                 /* ON+PLAY menu */
 711                 int ret_val;
 712
 713                 ret_val = onplay_menu(viewer.selected_track);
 714
 715                 if (ret_val < 0)
 716                 {
 717                     ret = true;
 718                     goto exit;
 719                 }
 720                 else if (ret > 0)
 721                 {
 722                     /* Playlist changed */
 723                     gui_synclist_del_item(&playlist_lists);
 724                     update_playlist(true);
 725                     if (viewer.num_tracks <= 0)
 726                         exit = true;
 727                     if(viewer.selected_track >= viewer.num_tracks)
 728                         viewer.selected_track = viewer.num_tracks-1;
 729                 }
 730                 gui_synclist_draw(&playlist_lists);
 731                 break;
 732             }
 733             case ACTION_STD_MENU:
 734                 if (viewer_menu())
 735                 {
 736                     ret = true;
 737                     goto exit;
 738                 }
 739                 gui_synclist_set_icon_callback(
 740                     &playlist_lists,
 741                     global_settings.playlist_viewer_icons?
 742                         &playlist_callback_icons:NULL
 743                     );
 744                 gui_synclist_draw(&playlist_lists);
 745                 break;
 746
 747             default:
 748                 if(default_event_handler(button) == SYS_USB_CONNECTED)
 749                 {
 750                     ret = true;
 751                     goto exit;
 752                 }
 753                 break;
 754         }
 755     }
 756
 757 exit:
 758     if (viewer.playlist)
 759         playlist_close(viewer.playlist);
 760     return ret;
 761 }
 762
 763 static char *playlist_search_callback_name(int selected_item, void * data,
 764                                            char *buffer, size_t buffer_len)
 765 {
 766     (void)buffer_len; /* this should probably be used */
 767     int *found_indicies = (int*)data;
 768     static struct playlist_track_info track;
 769     playlist_get_track_info(viewer.playlist, found_indicies[selected_item], &track);
 770     format_name(buffer, track.filename);
 771     return(buffer);
 772 }
 773
 774 bool search_playlist(void)
 775 {
 776     char search_str[32] = "";
 777     bool ret = false, exit = false;
 778     int i, playlist_count;
 779     int found_indicies[MAX_PLAYLIST_ENTRIES];
 780     int found_indicies_count = 0, last_found_count = -1;
 781     int button;
 782     struct gui_synclist playlist_lists;
 783     struct playlist_track_info track;
 784
 785     if (!playlist_viewer_init(&viewer, 0, false))
 786         return ret;
 787     if (kbd_input(search_str, sizeof(search_str)) == -1)
 788         return ret;
 789     lcd_clear_display();
 790     playlist_count = playlist_amount_ex(viewer.playlist);
 791
 792     cpu_boost(true);
 793
 794     for (i=0; (i<playlist_count)&&(found_indicies_count<MAX_PLAYLIST_ENTRIES); i++)
 795     {
 796         if (found_indicies_count != last_found_count)
 797         {
 798             splashf(0, str(LANG_PLAYLIST_SEARCH_MSG), found_indicies_count,
 799                        str(LANG_OFF_ABORT));
 800             last_found_count = found_indicies_count;
 801         }
 802
 803         if (action_userabort(TIMEOUT_NOBLOCK))
 804             break;
 805
 806         playlist_get_track_info(viewer.playlist, i, &track);
 807
 808         if (strcasestr(track.filename,search_str))
 809             found_indicies[found_indicies_count++] = track.index;
 810
 811         yield();
 812     }
 813
 814     cpu_boost(false);
 815
 816     if (!found_indicies_count)
 817     {
 818         return ret;
 819     }
 820     backlight_on();
 821
 822     gui_synclist_init(&playlist_lists, playlist_search_callback_name,
 823                       found_indicies, false, 1, NULL);
 824     gui_synclist_set_title(&playlist_lists, str(LANG_SEARCH_RESULTS), NOICON);
 825     gui_synclist_set_icon_callback(&playlist_lists, NULL);
 826     gui_synclist_set_nb_items(&playlist_lists, found_indicies_count);
 827     gui_synclist_select_item(&playlist_lists, 0);
 828     gui_synclist_draw(&playlist_lists);
 829     while (!exit)
 830     {
 831         button = get_action(CONTEXT_LIST, HZ/4);
 832         if (gui_synclist_do_button(&playlist_lists, &button, LIST_WRAP_UNLESS_HELD))
 833             continue;
 834         switch (button)
 835         {
 836             case ACTION_STD_CANCEL:
 837                 exit = true;
 838                 break;
 839
 840             case ACTION_STD_OK:
 841                 playlist_start(
 842                     found_indicies[gui_synclist_get_sel_pos(&playlist_lists)]
 843                     ,0);
 844                 exit = 1;
 845             break;
 846
 847             default:
 848                 if(default_event_handler(button) == SYS_USB_CONNECTED)
 849                 {
 850                     ret = true;
 851                     exit = true;
 852                 }
 853                 break;
 854         }
 855     }
 856     return ret;
 857 }
 858