apps/gui/wps.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Jerome Kuptz
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include "config.h"
  25
  26 #include "system.h"
  27 #include "file.h"
  28 #include "lcd.h"
  29 #include "font.h"
  30 #include "backlight.h"
  31 #include "action.h"
  32 #include "kernel.h"
  33 #include "filetypes.h"
  34 #include "sprintf.h"
  35 #include "settings.h"
  36 #include "skin_engine/skin_engine.h"
  37 #include "mp3_playback.h"
  38 #include "audio.h"
  39 #include "usb.h"
  40 #include "status.h"
  41 #include "storage.h"
  42 #include "screens.h"
  43 #include "playlist.h"
  44 #ifdef HAVE_LCD_BITMAP
  45 #include "icons.h"
  46 #include "peakmeter.h"
  47 #endif
  48 #include "lang.h"
  49 #include "bookmark.h"
  50 #include "misc.h"
  51 #include "sound.h"
  52 #include "onplay.h"
  53 #include "abrepeat.h"
  54 #include "playback.h"
  55 #include "splash.h"
  56 #include "cuesheet.h"
  57 #include "ata_idle_notify.h"
  58 #include "root_menu.h"
  59 #include "backdrop.h"
  60 #include "quickscreen.h"
  61 #include "pitchscreen.h"
  62 #include "appevents.h"
  63 #include "viewport.h"
  64 #include "pcmbuf.h"
  65 #include "option_select.h"
  66 #include "dsp.h"
  67 #include "playlist_viewer.h"
  68 #include "wps.h"
  69 #include "statusbar-skinned.h"
  70
  71 #define RESTORE_WPS_INSTANTLY       0l
  72 #define RESTORE_WPS_NEXT_SECOND     ((long)(HZ+current_tick))
  73
  74 #define FF_REWIND_MAX_PERCENT 3 /* cap ff/rewind step size at max % of file */
  75                                 /* 3% of 30min file == 54s step size */
  76 #define MIN_FF_REWIND_STEP 500
  77
  78 /* currently only one wps_state is needed, initialize to 0 */
  79        struct wps_state     wps_state               = { .id3 = NULL };
  80 static struct gui_wps       gui_wps[NB_SCREENS]     = {{ .data = NULL }};
  81 static struct wps_data      wps_datas[NB_SCREENS]   = {{ .wps_loaded = 0 }};
  82 static struct wps_sync_data wps_sync_data           = { .do_full_update = false };
  83
  84 /* initial setup of wps_data  */
  85 static void wps_state_init(void);
  86 static void track_changed_callback(void *param);
  87 static void nextid3available_callback(void* param);
  88
  89 #define WPS_DEFAULTCFG WPS_DIR "/rockbox_default.wps"
  90 #ifdef HAVE_REMOTE_LCD
  91 #define RWPS_DEFAULTCFG WPS_DIR "/rockbox_default.rwps"
  92 #define DEFAULT_WPS(screen) ((screen) == SCREEN_MAIN ? \
  93                             WPS_DEFAULTCFG:RWPS_DEFAULTCFG)
  94 #else
  95 #define DEFAULT_WPS(screen) (WPS_DEFAULTCFG)
  96 #endif
  97
  98 void wps_data_load(enum screen_type screen, const char *buf, bool isfile)
  99 {
 100     bool loaded_ok;
 101
 102 #ifndef __PCTOOL__
 103     /*
 104      * Hardcode loading WPS_DEFAULTCFG to cause a reset ideally this
 105      * wants to be a virtual file.  Feel free to modify dirbrowse()
 106      * if you're feeling brave.
 107      */
 108
 109     if (buf && ! strcmp(buf, DEFAULT_WPS(screen)) )
 110     {
 111 #ifdef HAVE_REMOTE_LCD
 112         if (screen == SCREEN_REMOTE)
 113             global_settings.rwps_file[0] = '\0';
 114         else
 115 #endif
 116             global_settings.wps_file[0] = '\0';
 117         buf = NULL;
 118     }
 119
 120 #endif /* __PCTOOL__ */
 121
 122     loaded_ok = buf && skin_data_load(screen, gui_wps[screen].data, buf, isfile);
 123
 124     if (!loaded_ok) /* load the hardcoded default */
 125     {
 126         char *skin_buf[NB_SCREENS] = {
 127 #ifdef HAVE_LCD_BITMAP
 128 #if LCD_DEPTH > 1
 129             "%Xd\n"
 130 #endif
 131             "%s%?it<%?in<%in. |>%it|%fn>\n"
 132             "%s%?ia<%ia|%?d2<%d2|(root)>>\n"
 133             "%s%?id<%id|%?d1<%d1|(root)>> %?iy<(%iy)|>\n\n"
 134             "%al%pc/%pt%ar[%pp:%pe]\n"
 135             "%fbkBit %?fv<avg|> %?iv<(id3v%iv)|(no id3)>\n"
 136             "%pb\n%pm\n",
 137 #else
 138             "%s%pp/%pe: %?it<%it|%fn> - %?ia<%ia|%d2> - %?id<%id|%d1>\n"
 139             "%pc%?ps<*|/>%pt\n",
 140 #endif
 141 #ifdef HAVE_REMOTE_LCD
 142 #if LCD_REMOTE_DEPTH > 1
 143             "%Xd\n"
 144 #endif
 145             "%s%?ia<%ia|%?d2<%d2|(root)>>\n"
 146             "%s%?it<%?in<%in. |>%it|%fn>\n"
 147             "%al%pc/%pt%ar[%pp:%pe]\n"
 148             "%fbkBit %?fv<avg|> %?iv<(id3v%iv)|(no id3)>\n"
 149             "%pb\n",
 150 #endif
 151         };
 152         skin_data_load(screen, gui_wps[screen].data, skin_buf[screen], false);
 153     }
 154 }
 155
 156 void fade(bool fade_in, bool updatewps)
 157 {
 158     int fp_global_vol = global_settings.volume << 8;
 159     int fp_min_vol = sound_min(SOUND_VOLUME) << 8;
 160     int fp_step = (fp_global_vol - fp_min_vol) / 30;
 161     int i;
 162     wps_state.is_fading = !fade_in;
 163     if (fade_in) {
 164         /* fade in */
 165         int fp_volume = fp_min_vol;
 166
 167         /* zero out the sound */
 168         sound_set_volume(fp_min_vol >> 8);
 169
 170         sleep(HZ/10); /* let audio thread run */
 171         audio_resume();
 172
 173         while (fp_volume < fp_global_vol - fp_step) {
 174             fp_volume += fp_step;
 175             sound_set_volume(fp_volume >> 8);
 176             if (updatewps)
 177             {
 178                 FOR_NB_SCREENS(i)
 179                     skin_update(&gui_wps[i], WPS_REFRESH_NON_STATIC);
 180             }
 181             sleep(1);
 182         }
 183         sound_set_volume(global_settings.volume);
 184     }
 185     else {
 186         /* fade out */
 187         int fp_volume = fp_global_vol;
 188
 189         while (fp_volume > fp_min_vol + fp_step) {
 190             fp_volume -= fp_step;
 191             sound_set_volume(fp_volume >> 8);
 192             if (updatewps)
 193             {
 194                 FOR_NB_SCREENS(i)
 195                     skin_update(&gui_wps[i], WPS_REFRESH_NON_STATIC);
 196             }
 197             sleep(1);
 198         }
 199         audio_pause();
 200         wps_state.is_fading = false;
 201 #if CONFIG_CODEC != SWCODEC
 202 #ifndef SIMULATOR
 203         /* let audio thread run and wait for the mas to run out of data */
 204         while (!mp3_pause_done())
 205 #endif
 206             sleep(HZ/10);
 207 #endif
 208
 209         /* reset volume to what it was before the fade */
 210         sound_set_volume(global_settings.volume);
 211     }
 212 }
 213
 214 static bool update_onvol_change(struct gui_wps * gwps)
 215 {
 216     skin_update(gwps, WPS_REFRESH_NON_STATIC);
 217
 218 #ifdef HAVE_LCD_CHARCELLS
 219     splashf(0, "Vol: %3d dB",
 220                sound_val2phys(SOUND_VOLUME, global_settings.volume));
 221     return true;
 222 #endif
 223     return false;
 224 }
 225
 226
 227 bool ffwd_rew(int button)
 228 {
 229     unsigned int step = 0;     /* current ff/rewind step */
 230     unsigned int max_step = 0; /* maximum ff/rewind step */
 231     int ff_rewind_count = 0;   /* current ff/rewind count (in ticks) */
 232     int direction = -1;         /* forward=1 or backward=-1 */
 233     bool exit = false;
 234     bool usb = false;
 235     int i = 0;
 236     const long ff_rw_accel = (global_settings.ff_rewind_accel + 3);
 237
 238     if (button == ACTION_NONE)
 239     {
 240         status_set_ffmode(0);
 241         return usb;
 242     }
 243     while (!exit)
 244     {
 245         switch ( button )
 246         {
 247             case ACTION_WPS_SEEKFWD:
 248                  direction = 1;
 249             case ACTION_WPS_SEEKBACK:
 250                 if (wps_state.ff_rewind)
 251                 {
 252                     if (direction == 1)
 253                     {
 254                         /* fast forwarding, calc max step relative to end */
 255                         max_step = (wps_state.id3->length -
 256                                     (wps_state.id3->elapsed +
 257                                      ff_rewind_count)) *
 258                                      FF_REWIND_MAX_PERCENT / 100;
 259                     }
 260                     else
 261                     {
 262                         /* rewinding, calc max step relative to start */
 263                         max_step = (wps_state.id3->elapsed + ff_rewind_count) *
 264                                     FF_REWIND_MAX_PERCENT / 100;
 265                     }
 266
 267                     max_step = MAX(max_step, MIN_FF_REWIND_STEP);
 268
 269                     if (step > max_step)
 270                         step = max_step;
 271
 272                     ff_rewind_count += step * direction;
 273
 274                     /* smooth seeking by multiplying step by: 1 + (2 ^ -accel) */
 275                     step += step >> ff_rw_accel;
 276                 }
 277                 else
 278                 {
 279                     if ( (audio_status() & AUDIO_STATUS_PLAY) &&
 280                           wps_state.id3 && wps_state.id3->length )
 281                     {
 282                         if (!wps_state.paused)
 283 #if (CONFIG_CODEC == SWCODEC)
 284                             audio_pre_ff_rewind();
 285 #else
 286                             audio_pause();
 287 #endif
 288 #if CONFIG_KEYPAD == PLAYER_PAD
 289                         FOR_NB_SCREENS(i)
 290                             gui_wps[i].display->stop_scroll();
 291 #endif
 292                         if (direction > 0)
 293                             status_set_ffmode(STATUS_FASTFORWARD);
 294                         else
 295                             status_set_ffmode(STATUS_FASTBACKWARD);
 296
 297                         wps_state.ff_rewind = true;
 298
 299                         step = 1000 * global_settings.ff_rewind_min_step;
 300                     }
 301                     else
 302                         break;
 303                 }
 304
 305                 if (direction > 0) {
 306                     if ((wps_state.id3->elapsed + ff_rewind_count) >
 307                         wps_state.id3->length)
 308                         ff_rewind_count = wps_state.id3->length -
 309                             wps_state.id3->elapsed;
 310                 }
 311                 else {
 312                     if ((int)(wps_state.id3->elapsed + ff_rewind_count) < 0)
 313                         ff_rewind_count = -wps_state.id3->elapsed;
 314                 }
 315
 316                 /* set the wps state ff_rewind_count so the progess info
 317                    displays corectly */
 318                 wps_state.ff_rewind_count = (wps_state.wps_time_countup == false)?
 319                                             ff_rewind_count:-ff_rewind_count;
 320                 FOR_NB_SCREENS(i)
 321                 {
 322                     skin_update(&gui_wps[i],
 323                                 WPS_REFRESH_PLAYER_PROGRESS |
 324                                 WPS_REFRESH_DYNAMIC);
 325                 }
 326
 327                 break;
 328
 329             case ACTION_WPS_STOPSEEK:
 330                 wps_state.id3->elapsed = wps_state.id3->elapsed+ff_rewind_count;
 331                 audio_ff_rewind(wps_state.id3->elapsed);
 332                 wps_state.ff_rewind_count = 0;
 333                 wps_state.ff_rewind = false;
 334                 status_set_ffmode(0);
 335 #if (CONFIG_CODEC != SWCODEC)
 336                 if (!wps_state.paused)
 337                     audio_resume();
 338 #endif
 339 #ifdef HAVE_LCD_CHARCELLS
 340                 FOR_NB_SCREENS(i)
 341                     skin_update(&gui_wps[i], WPS_REFRESH_ALL);
 342 #endif
 343                 exit = true;
 344                 break;
 345
 346             default:
 347                 if(default_event_handler(button) == SYS_USB_CONNECTED) {
 348                     status_set_ffmode(0);
 349                     usb = true;
 350                     exit = true;
 351                 }
 352                 break;
 353         }
 354         if (!exit)
 355         {
 356             button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,TIMEOUT_BLOCK);
 357 #ifdef HAVE_TOUCHSCREEN
 358             if (button == ACTION_TOUCHSCREEN)
 359                 button = wps_get_touchaction(gui_wps[SCREEN_MAIN].data);
 360 #endif
 361         }
 362     }
 363     return usb;
 364 }
 365
 366
 367 void display_keylock_text(bool locked)
 368 {
 369     int i;
 370     FOR_NB_SCREENS(i)
 371         gui_wps[i].display->stop_scroll();
 372
 373     splash(HZ, locked ? ID2P(LANG_KEYLOCK_ON) : ID2P(LANG_KEYLOCK_OFF));
 374 }
 375
 376
 377
 378
 379 #if defined(HAVE_BACKLIGHT) || defined(HAVE_REMOTE_LCD)
 380 static void gwps_caption_backlight(struct wps_state *state)
 381 {
 382     if (state && state->id3)
 383     {
 384 #ifdef HAVE_BACKLIGHT
 385         if (global_settings.caption_backlight)
 386         {
 387             /* turn on backlight n seconds before track ends, and turn it off n
 388                seconds into the new track. n == backlight_timeout, or 5s */
 389             int n = global_settings.backlight_timeout * 1000;
 390
 391             if ( n < 1000 )
 392                 n = 5000; /* use 5s if backlight is always on or off */
 393
 394             if (((state->id3->elapsed < 1000) ||
 395                  ((state->id3->length - state->id3->elapsed) < (unsigned)n)) &&
 396                 (state->paused == false))
 397                 backlight_on();
 398         }
 399 #endif
 400 #ifdef HAVE_REMOTE_LCD
 401         if (global_settings.remote_caption_backlight)
 402         {
 403             /* turn on remote backlight n seconds before track ends, and turn it
 404                off n seconds into the new track. n == remote_backlight_timeout,
 405                or 5s */
 406             int n = global_settings.remote_backlight_timeout * 1000;
 407
 408             if ( n < 1000 )
 409                 n = 5000; /* use 5s if backlight is always on or off */
 410
 411             if (((state->id3->elapsed < 1000) ||
 412                  ((state->id3->length - state->id3->elapsed) < (unsigned)n)) &&
 413                 (state->paused == false))
 414                 remote_backlight_on();
 415         }
 416 #endif
 417     }
 418 }
 419 #endif
 420
 421
 422 static void change_dir(int direction)
 423 {
 424     if (global_settings.prevent_skip)
 425         return;
 426
 427     if (direction < 0)
 428         audio_prev_dir();
 429     else if (direction > 0)
 430         audio_next_dir();
 431     /* prevent the next dir to immediatly start being ffw'd */
 432     action_wait_for_release();
 433 }
 434
 435 static void prev_track(unsigned long skip_thresh)
 436 {
 437     if (wps_state.id3->elapsed < skip_thresh)
 438     {
 439         audio_prev();
 440         return;
 441     }
 442     else
 443     {
 444         if (wps_state.id3->cuesheet)
 445         {
 446             curr_cuesheet_skip(wps_state.id3->cuesheet, -1, wps_state.id3->elapsed);
 447             return;
 448         }
 449
 450         if (!wps_state.paused)
 451 #if (CONFIG_CODEC == SWCODEC)
 452             audio_pre_ff_rewind();
 453 #else
 454         audio_pause();
 455 #endif
 456
 457         audio_ff_rewind(0);
 458
 459 #if (CONFIG_CODEC != SWCODEC)
 460         if (!wps_state.paused)
 461             audio_resume();
 462 #endif
 463     }
 464 }
 465
 466 static void next_track(void)
 467 {
 468     /* take care of if we're playing a cuesheet */
 469     if (wps_state.id3->cuesheet)
 470     {
 471         if (curr_cuesheet_skip(wps_state.id3->cuesheet, 1, wps_state.id3->elapsed))
 472         {
 473             /* if the result was false, then we really want
 474                to skip to the next track */
 475             return;
 476         }
 477     }
 478
 479     audio_next();
 480 }
 481
 482 static void play_hop(int direction)
 483 {
 484     long step = global_settings.skip_length*1000;
 485     long elapsed = wps_state.id3->elapsed;
 486     long remaining = wps_state.id3->length - elapsed;
 487
 488     if (step < 0)
 489     {
 490         if (direction < 0)
 491         {
 492             prev_track(DEFAULT_SKIP_TRESH);
 493             return;
 494         }
 495         else if (remaining < DEFAULT_SKIP_TRESH*2)
 496         {
 497             next_track();
 498             return;
 499         }
 500         else
 501             elapsed += (remaining - DEFAULT_SKIP_TRESH*2);
 502     }
 503     else if (!global_settings.prevent_skip &&
 504            (!step ||
 505             (direction > 0 && step >= remaining) ||
 506             (direction < 0 && elapsed < DEFAULT_SKIP_TRESH)))
 507     {   /* Do normal track skipping */
 508         if (direction > 0)
 509             next_track();
 510         else if (direction < 0)
 511             prev_track(DEFAULT_SKIP_TRESH);
 512         return;
 513     }
 514     else if (direction == 1 && step >= remaining)
 515     {
 516 #if CONFIG_CODEC == SWCODEC
 517         if(global_settings.beep)
 518             pcmbuf_beep(1000, 150, 1500*global_settings.beep);
 519 #endif
 520         return;
 521     }
 522     else if ((direction == -1 && elapsed < step))
 523     {
 524         elapsed = 0;
 525     }
 526     else
 527     {
 528         elapsed += step * direction;
 529     }
 530     if((audio_status() & AUDIO_STATUS_PLAY) && !wps_state.paused)
 531     {
 532 #if (CONFIG_CODEC == SWCODEC)
 533         audio_pre_ff_rewind();
 534 #else
 535         audio_pause();
 536 #endif
 537     }
 538     audio_ff_rewind(wps_state.id3->elapsed = elapsed);
 539 #if (CONFIG_CODEC != SWCODEC)
 540     if (!wps_state.paused)
 541         audio_resume();
 542 #endif
 543 }
 544
 545
 546 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 547 /*
 548  * If the user is unable to see the wps, because the display is deactivated,
 549  * we suppress updates until the wps is activated again (the lcd driver will
 550  * call this hook to issue an instant update)
 551  * */
 552 static void wps_lcd_activation_hook(void *param)
 553 {
 554     (void)param;
 555     wps_sync_data.do_full_update = true;
 556     /* force timeout in wps main loop, so that the update is instantly */
 557     queue_post(&button_queue, BUTTON_NONE, 0);
 558 }
 559 #endif
 560
 561 static void gwps_leave_wps(void)
 562 {
 563     int i;
 564
 565     FOR_NB_SCREENS(i)
 566     {
 567         gui_wps[i].display->stop_scroll();
 568 #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 569         gui_wps[i].display->backdrop_show(sb_get_backdrop(i));
 570 #endif
 571
 572 #ifdef HAVE_LCD_BITMAP
 573         bool draw = false;
 574         if (gui_wps[i].data->wps_sb_tag)
 575             draw = gui_wps[i].data->show_sb_on_wps;
 576         else if (statusbar_position(i) != STATUSBAR_OFF)
 577             draw = true;
 578 #endif
 579         viewportmanager_theme_undo(i, draw);
 580
 581     }
 582
 583 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 584     /* Play safe and unregister the hook */
 585     remove_event(LCD_EVENT_ACTIVATION, wps_lcd_activation_hook);
 586 #endif
 587     /* unhandle statusbar update delay */
 588     sb_skin_set_update_delay(DEFAULT_UPDATE_DELAY);
 589 }
 590
 591 /*
 592  * display the wps on entering or restoring */
 593 static void gwps_enter_wps(void)
 594 {
 595     int i;
 596     FOR_NB_SCREENS(i)
 597     {
 598         struct gui_wps *gwps = &gui_wps[i];
 599         struct screen *display = gwps->display;
 600 #ifdef HAVE_LCD_BITMAP
 601         bool draw = false;
 602         if (gui_wps[i].data->wps_sb_tag)
 603             draw = gui_wps[i].data->show_sb_on_wps;
 604         else if (statusbar_position(i) != STATUSBAR_OFF)
 605             draw = true;
 606 #endif
 607         display->stop_scroll();
 608         viewportmanager_theme_enable(i, draw, NULL);
 609
 610         /* Update the values in the first (default) viewport - in case the user
 611            has modified the statusbar or colour settings */
 612 #if LCD_DEPTH > 1
 613         if (display->depth > 1)
 614         {
 615             struct viewport *vp = &find_viewport(VP_DEFAULT_LABEL, gwps->data)->vp;
 616             vp->fg_pattern = display->get_foreground();
 617             vp->bg_pattern = display->get_background();
 618         }
 619 #endif
 620         /* make the backdrop actually take effect */
 621 #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 622         display->backdrop_show(gwps->data->backdrop);
 623 #endif
 624         display->clear_display();
 625         skin_update(gwps, WPS_REFRESH_ALL);
 626     }
 627     /* force statusbar/skin update since we just cleared the whole screen */
 628     send_event(GUI_EVENT_ACTIONUPDATE, (void*)1);
 629 }
 630
 631 #ifdef HAVE_TOUCHSCREEN
 632 int wps_get_touchaction(struct wps_data *data)
 633 {
 634     short x,y;
 635     short vx, vy;
 636     int type = action_get_touchscreen_press(&x, &y);
 637     static int last_action = ACTION_NONE;
 638     struct touchregion *r;
 639     bool repeated = (type == BUTTON_REPEAT);
 640     bool released = (type == BUTTON_REL);
 641     struct skin_token_list *regions = data->touchregions;
 642     while (regions)
 643     {
 644         r = (struct touchregion *)regions->token->value.data;
 645         /* make sure this region's viewport is visible */
 646         if (r->wvp->hidden_flags&VP_DRAW_HIDDEN)
 647         {
 648             regions = regions->next;
 649             continue;
 650         }
 651         /* check if it's inside this viewport */
 652         if (viewport_point_within_vp(&(r->wvp->vp), x, y))
 653         {   /* reposition the touch inside the viewport since touchregions
 654              * are relative to a preceding viewport */
 655             vx = x - r->wvp->vp.x;
 656             vy = y - r->wvp->vp.y;
 657             /* now see if the point is inside this region */
 658             if (vx >= r->x && vx < r->x+r->width &&
 659                 vy >= r->y && vy < r->y+r->height)
 660             {
 661                 /* reposition the touch within the area */
 662                 vx -= r->x;
 663                 vy -= r->y;
 664
 665                 switch(r->type)
 666                 {
 667                     case WPS_TOUCHREGION_ACTION:
 668                         if ((repeated && r->repeat) || (released && !r->repeat))
 669                         {
 670                             last_action = r->action;
 671                             return r->action;
 672                         }
 673                         break;
 674                     case WPS_TOUCHREGION_SCROLLBAR:
 675                         if(r->width > r->height)
 676                             /* landscape */
 677                             wps_state.id3->elapsed = (vx *
 678                                     wps_state.id3->length) / r->width;
 679                         else
 680                             /* portrait */
 681                             wps_state.id3->elapsed = (vy *
 682                                     wps_state.id3->length) / r->height;
 683
 684                         if (!wps_state.paused)
 685 #if (CONFIG_CODEC == SWCODEC)
 686                             audio_pre_ff_rewind();
 687 #else
 688                             audio_pause();
 689 #endif
 690                         audio_ff_rewind(wps_state.id3->elapsed);
 691 #if (CONFIG_CODEC != SWCODEC)
 692                         if (!wps_state.paused)
 693                             audio_resume();
 694 #endif
 695                         break;
 696                     case WPS_TOUCHREGION_VOLUME:
 697                     {
 698                         const int min_vol = sound_min(SOUND_VOLUME);
 699                         const int max_vol = sound_max(SOUND_VOLUME);
 700                         if(r->width > r->height)
 701                             /* landscape */
 702                             global_settings.volume = (vx *
 703                                             (max_vol - min_vol)) / r->width;
 704                         else
 705                             /* portrait */
 706                             global_settings.volume = ((r->height - vy) *
 707                                                 (max_vol-min_vol)) / r->height;
 708
 709                         global_settings.volume += min_vol;
 710                         setvol();
 711                         return ACTION_REDRAW;
 712                     }
 713                 }
 714             }
 715         }
 716         regions = regions->next;
 717     }
 718
 719     if ((last_action == ACTION_WPS_SEEKBACK || last_action == ACTION_WPS_SEEKFWD))
 720         return ACTION_WPS_STOPSEEK;
 721     last_action = ACTION_TOUCHSCREEN;
 722     return ACTION_TOUCHSCREEN;
 723 }
 724 #endif
 725 /* The WPS can be left in two ways:
 726  *      a)  call a function, which draws over the wps. In this case, the wps
 727  *          will be still active (i.e. the below function didn't return)
 728  *      b)  return with a value evaluated by root_menu.c, in this case the wps
 729  *          is really left, and root_menu will handle the next screen
 730  *
 731  * In either way, call gwps_leave_wps(), in order to restore the correct
 732  * "main screen" backdrops and statusbars
 733  */
 734 long gui_wps_show(void)
 735 {
 736     long button = 0;
 737     bool restore = true;
 738     long restoretimer = RESTORE_WPS_INSTANTLY; /* timer to delay screen redraw temporarily */
 739     bool exit = false;
 740     bool bookmark = false;
 741     bool update = false;
 742     bool vol_changed = false;
 743     int i;
 744     long last_left = 0, last_right = 0;
 745
 746 #ifdef HAVE_LCD_CHARCELLS
 747     status_set_audio(true);
 748     status_set_param(false);
 749 #endif
 750
 751 #ifdef AB_REPEAT_ENABLE
 752     ab_repeat_init();
 753     ab_reset_markers();
 754 #endif
 755     wps_state_init();
 756
 757     while ( 1 )
 758     {
 759         bool audio_paused = (audio_status() & AUDIO_STATUS_PAUSE)?true:false;
 760
 761         /* did someone else (i.e power thread) change audio pause mode? */
 762         if (wps_state.paused != audio_paused) {
 763             wps_state.paused = audio_paused;
 764
 765             /* if another thread paused audio, we are probably in car mode,
 766                about to shut down. lets save the settings. */
 767             if (wps_state.paused) {
 768                 settings_save();
 769 #if !defined(HAVE_RTC_RAM) && !defined(HAVE_SW_POWEROFF)
 770                 call_storage_idle_notifys(true);
 771 #endif
 772             }
 773         }
 774 #ifdef HAVE_LCD_BITMAP
 775         /* when the peak meter is enabled we want to have a
 776             few extra updates to make it look smooth. On the
 777             other hand we don't want to waste energy if it
 778             isn't displayed */
 779         bool pm=false;
 780         FOR_NB_SCREENS(i)
 781         {
 782            if(gui_wps[i].data->peak_meter_enabled)
 783                pm = true;
 784         }
 785
 786         if (pm) {
 787             long next_refresh = current_tick;
 788             long next_big_refresh = current_tick + HZ / 5;
 789             button = BUTTON_NONE;
 790             while (TIME_BEFORE(current_tick, next_big_refresh)) {
 791                 button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,TIMEOUT_NOBLOCK);
 792                 /* check for restore to not let the peakmeter delay the
 793                  * initial draw of the wps, don't delay handling of button
 794                  * presses either */
 795                 if (button != ACTION_NONE || restore) {
 796                     break;
 797                 }
 798                 peak_meter_peek();
 799                 sleep(0);   /* Sleep until end of current tick. */
 800
 801                 if (TIME_AFTER(current_tick, next_refresh)) {
 802                     FOR_NB_SCREENS(i)
 803                     {
 804                         if(gui_wps[i].data->peak_meter_enabled)
 805                             skin_update(&gui_wps[i], WPS_REFRESH_PEAK_METER);
 806                         next_refresh += HZ / PEAK_METER_FPS;
 807                     }
 808                 }
 809             }
 810
 811         }
 812
 813         /* The peak meter is disabled
 814            -> no additional screen updates needed */
 815         else
 816 #endif
 817         {   /* 1 is the minimum timeout which lets other threads run.
 818              * audio thread (apprently) needs to run before displaying the wps
 819              * or bad things happen with regards to cuesheet
 820              * (probably a race condition, on sh at least) */
 821             button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,
 822                 restore ? 1 : HZ/5);
 823         }
 824
 825         /* Exit if audio has stopped playing. This happens e.g. at end of
 826            playlist or if using the sleep timer. */
 827         if (!(audio_status() & AUDIO_STATUS_PLAY))
 828             exit = true;
 829 #ifdef HAVE_TOUCHSCREEN
 830         if (button == ACTION_TOUCHSCREEN)
 831             button = wps_get_touchaction(gui_wps[SCREEN_MAIN].data);
 832 #endif
 833 /* The iPods/X5/M5 use a single button for the A-B mode markers,
 834    defined as ACTION_WPSAB_SINGLE in their config files. */
 835 #ifdef ACTION_WPSAB_SINGLE
 836         if (!global_settings.party_mode && ab_repeat_mode_enabled())
 837         {
 838             static int wps_ab_state = 0;
 839             if (button == ACTION_WPSAB_SINGLE)
 840             {
 841                 switch (wps_ab_state)
 842                 {
 843                     case 0: /* set the A spot */
 844                         button = ACTION_WPS_ABSETA_PREVDIR;
 845                         break;
 846                     case 1: /* set the B spot */
 847                         button = ACTION_WPS_ABSETB_NEXTDIR;
 848                         break;
 849                     case 2:
 850                         button = ACTION_WPS_ABRESET;
 851                         break;
 852                 }
 853                 wps_ab_state = (wps_ab_state+1) % 3;
 854             }
 855         }
 856 #endif
 857         switch(button)
 858         {
 859             case ACTION_WPS_CONTEXT:
 860             {
 861                 gwps_leave_wps();
 862                 /* if music is stopped in the context menu we want to exit the wps */
 863                 if (onplay(wps_state.id3->path,
 864                            FILE_ATTR_AUDIO, CONTEXT_WPS) == ONPLAY_MAINMENU
 865                     || !audio_status())
 866                     return GO_TO_ROOT;
 867                 restore = true;
 868             }
 869             break;
 870
 871             case ACTION_WPS_BROWSE:
 872 #ifdef HAVE_LCD_CHARCELLS
 873                 status_set_record(false);
 874                 status_set_audio(false);
 875 #endif
 876                 gwps_leave_wps();
 877                 return GO_TO_PREVIOUS_BROWSER;
 878                 break;
 879
 880                 /* play/pause */
 881             case ACTION_WPS_PLAY:
 882                 if (global_settings.party_mode)
 883                     break;
 884                 if ( wps_state.paused )
 885                 {
 886                     wps_state.paused = false;
 887                     if ( global_settings.fade_on_stop )
 888                         fade(true, true);
 889                     else
 890                         audio_resume();
 891                 }
 892                 else
 893                 {
 894                     wps_state.paused = true;
 895                     if ( global_settings.fade_on_stop )
 896                         fade(false, true);
 897                     else
 898                         audio_pause();
 899                     settings_save();
 900 #if !defined(HAVE_RTC_RAM) && !defined(HAVE_SW_POWEROFF)
 901                     call_storage_idle_notifys(true);   /* make sure resume info is saved */
 902 #endif
 903                 }
 904                 break;
 905
 906             case ACTION_WPS_VOLUP:
 907                 global_settings.volume++;
 908                 vol_changed = true;
 909                 break;
 910             case ACTION_WPS_VOLDOWN:
 911                 global_settings.volume--;
 912                 vol_changed = true;
 913                 break;
 914             /* fast forward
 915                 OR next dir if this is straight after ACTION_WPS_SKIPNEXT */
 916             case ACTION_WPS_SEEKFWD:
 917                 if (global_settings.party_mode)
 918                     break;
 919                 if (current_tick -last_right < HZ)
 920                 {
 921                     if (wps_state.id3->cuesheet)
 922                     {
 923                         audio_next();
 924                     }
 925                     else
 926                     {
 927                         change_dir(1);
 928                     }
 929                 }
 930                 else
 931                     ffwd_rew(ACTION_WPS_SEEKFWD);
 932                 last_right = last_left = 0;
 933                 break;
 934             /* fast rewind
 935                 OR prev dir if this is straight after ACTION_WPS_SKIPPREV,*/
 936             case ACTION_WPS_SEEKBACK:
 937                 if (global_settings.party_mode)
 938                     break;
 939                 if (current_tick -last_left < HZ)
 940                 {
 941                     if (wps_state.id3->cuesheet)
 942                     {
 943                         if (!wps_state.paused)
 944 #if (CONFIG_CODEC == SWCODEC)
 945                             audio_pre_ff_rewind();
 946 #else
 947                             audio_pause();
 948 #endif
 949                         audio_ff_rewind(0);
 950                     }
 951                     else
 952                     {
 953                         change_dir(-1);
 954                     }
 955                 }
 956                 else
 957                     ffwd_rew(ACTION_WPS_SEEKBACK);
 958                 last_left = last_right = 0;
 959                 break;
 960
 961                 /* prev / restart */
 962             case ACTION_WPS_SKIPPREV:
 963                 if (global_settings.party_mode)
 964                     break;
 965                 last_left = current_tick;
 966 #ifdef AB_REPEAT_ENABLE
 967                 /* if we're in A/B repeat mode and the current position
 968                    is past the A marker, jump back to the A marker... */
 969                 if ( ab_repeat_mode_enabled() )
 970                 {
 971                     if ( ab_after_A_marker(wps_state.id3->elapsed) )
 972                     {
 973                         ab_jump_to_A_marker();
 974                         break;
 975 #if (AB_REPEAT_ENABLE == 2)
 976                     } else {
 977                         ab_reset_markers();
 978 #endif
 979                     }
 980                 }
 981                 else
 982                 /* ...otherwise, do it normally */
 983 #endif
 984                     play_hop(-1);
 985                 break;
 986
 987                 /* next
 988                    OR if skip length set, hop by predetermined amount. */
 989             case ACTION_WPS_SKIPNEXT:
 990                 if (global_settings.party_mode)
 991                     break;
 992                 last_right = current_tick;
 993 #ifdef AB_REPEAT_ENABLE
 994                 /* if we're in A/B repeat mode and the current position is
 995                    before the A marker, jump to the A marker... */
 996                 if ( ab_repeat_mode_enabled() )
 997                 {
 998                     if ( ab_before_A_marker(wps_state.id3->elapsed) )
 999                     {
1000                         ab_jump_to_A_marker();
1001                         break;
1002 #if (AB_REPEAT_ENABLE == 2)
1003                     } else {
1004                         ab_reset_markers();
1005 #endif
1006                     }
1007                 }
1008                 else
1009                 /* ...otherwise, do it normally */
1010 #endif
1011                     play_hop(1);
1012                 break;
1013                 /* next / prev directories */
1014                 /* and set A-B markers if in a-b mode */
1015             case ACTION_WPS_ABSETB_NEXTDIR:
1016                 if (global_settings.party_mode)
1017                     break;
1018 #if defined(AB_REPEAT_ENABLE)
1019                 if (ab_repeat_mode_enabled())
1020                 {
1021                     ab_set_B_marker(wps_state.id3->elapsed);
1022                     ab_jump_to_A_marker();
1023                 }
1024                 else
1025 #endif
1026                 {
1027                     change_dir(1);
1028                 }
1029                 break;
1030             case ACTION_WPS_ABSETA_PREVDIR:
1031                 if (global_settings.party_mode)
1032                     break;
1033 #if defined(AB_REPEAT_ENABLE)
1034                 if (ab_repeat_mode_enabled())
1035                     ab_set_A_marker(wps_state.id3->elapsed);
1036                 else
1037 #endif
1038                 {
1039                     change_dir(-1);
1040                 }
1041                 break;
1042             /* menu key functions */
1043             case ACTION_WPS_MENU:
1044                 gwps_leave_wps();
1045                 return GO_TO_ROOT;
1046                 break;
1047
1048
1049 #ifdef HAVE_QUICKSCREEN
1050             case ACTION_WPS_QUICKSCREEN:
1051             {
1052                 gwps_leave_wps();
1053                 if (quick_screen_quick(button))
1054                     return GO_TO_ROOT;
1055                 restore = true;
1056             }
1057             break;
1058 #endif /* HAVE_QUICKSCREEN */
1059
1060                 /* screen settings */
1061 #ifdef BUTTON_F3
1062             case ACTION_F3:
1063             {
1064                 gwps_leave_wps();
1065                 if (quick_screen_f3(BUTTON_F3))
1066                     return GO_TO_ROOT;
1067                 restore = true;
1068             }
1069             break;
1070 #endif /* BUTTON_F3 */
1071
1072                 /* pitch screen */
1073 #ifdef HAVE_PITCHSCREEN
1074             case ACTION_WPS_PITCHSCREEN:
1075             {
1076                 gwps_leave_wps();
1077                 if (1 == gui_syncpitchscreen_run())
1078                     return GO_TO_ROOT;
1079                 restore = true;
1080             }
1081             break;
1082 #endif /* HAVE_PITCHSCREEN */
1083
1084 #ifdef AB_REPEAT_ENABLE
1085             /* reset A&B markers */
1086             case ACTION_WPS_ABRESET:
1087                 if (ab_repeat_mode_enabled())
1088                 {
1089                     ab_reset_markers();
1090                     update = true;
1091                 }
1092                 break;
1093 #endif /* AB_REPEAT_ENABLE */
1094
1095                 /* stop and exit wps */
1096             case ACTION_WPS_STOP:
1097                 if (global_settings.party_mode)
1098                     break;
1099                 bookmark = true;
1100                 exit = true;
1101                 break;
1102
1103             case ACTION_WPS_ID3SCREEN:
1104             {
1105                 gwps_leave_wps();
1106                 if (browse_id3())
1107                     return GO_TO_ROOT;
1108                 restore = true;
1109             }
1110             break;
1111 #ifdef HAVE_TOUCHSCREEN
1112             case ACTION_TOUCH_SHUFFLE: /* toggle shuffle mode */
1113             {
1114                 global_settings.playlist_shuffle =
1115                                                 !global_settings.playlist_shuffle;
1116 #if CONFIG_CODEC == SWCODEC
1117                 dsp_set_replaygain();
1118 #endif
1119                 if (global_settings.playlist_shuffle)
1120                     playlist_randomise(NULL, current_tick, true);
1121                 else
1122                     playlist_sort(NULL, true);
1123             }
1124             break;
1125             case ACTION_TOUCH_REPMODE: /* cycle the repeat mode setting */
1126             {
1127                 const struct settings_list *rep_setting =
1128                                 find_setting(&global_settings.repeat_mode, NULL);
1129                 option_select_next_val(rep_setting, false, true);
1130                 audio_flush_and_reload_tracks();
1131             }
1132             break;
1133 #endif /* HAVE_TOUCHSCREEN */
1134              /* this case is used by the softlock feature
1135               * it requests a full update here */
1136             case ACTION_REDRAW:
1137                 wps_sync_data.do_full_update = true;
1138                 break;
1139             case ACTION_NONE: /* Timeout, do a partial update */
1140                 update = true;
1141                 ffwd_rew(button); /* hopefully fix the ffw/rwd bug */
1142                 break;
1143 #ifdef HAVE_RECORDING
1144             case ACTION_WPS_REC:
1145                 exit = true;
1146                 break;
1147 #endif
1148             case SYS_POWEROFF:
1149                 default_event_handler(SYS_POWEROFF);
1150                 break;
1151             case ACTION_WPS_VIEW_PLAYLIST:
1152                 gwps_leave_wps();
1153                 if (playlist_viewer()) /* true if USB connected */
1154                     return GO_TO_ROOT;
1155                 restore = true;
1156                 break;
1157             default:
1158                 if(default_event_handler(button) == SYS_USB_CONNECTED)
1159                 {
1160                     gwps_leave_wps();
1161                     return GO_TO_ROOT;
1162                 }
1163                 update = true;
1164                 break;
1165         }
1166
1167         if (vol_changed)
1168         {
1169             bool res = false;
1170             vol_changed = false;
1171             setvol();
1172             FOR_NB_SCREENS(i)
1173             {
1174                 if(update_onvol_change(&gui_wps[i]))
1175                     res = true;
1176             }
1177             if (res) {
1178                 restore = true;
1179                 restoretimer = RESTORE_WPS_NEXT_SECOND;
1180             }
1181         }
1182
1183
1184         if (restore &&
1185             ((restoretimer == RESTORE_WPS_INSTANTLY) ||
1186              TIME_AFTER(current_tick, restoretimer)))
1187         {
1188             restore = false;
1189             restoretimer = RESTORE_WPS_INSTANTLY;
1190 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
1191             add_event(LCD_EVENT_ACTIVATION, false, wps_lcd_activation_hook);
1192 #endif
1193         /* we remove the update delay since it's not very usable in the wps,
1194          * e.g. during volume changing or ffwd/rewind */
1195             sb_skin_set_update_delay(0);
1196             wps_sync_data.do_full_update = update = false;
1197             gwps_enter_wps();
1198         }
1199         else if (wps_sync_data.do_full_update || update)
1200         {
1201 #if defined(HAVE_BACKLIGHT) || defined(HAVE_REMOTE_LCD)
1202             gwps_caption_backlight(&wps_state);
1203 #endif
1204             FOR_NB_SCREENS(i)
1205             {
1206 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
1207                 /* currently, all remotes are readable without backlight
1208                  * so still update those */
1209                 if (lcd_active() || (i != SCREEN_MAIN))
1210 #endif
1211                 {
1212                     skin_update(&gui_wps[i], WPS_REFRESH_NON_STATIC);
1213                 }
1214             }
1215             wps_sync_data.do_full_update = false;
1216             update = false;
1217         }
1218
1219         if (exit) {
1220 #ifdef HAVE_LCD_CHARCELLS
1221             status_set_record(false);
1222             status_set_audio(false);
1223 #endif
1224             if (global_settings.fade_on_stop)
1225                 fade(false, true);
1226
1227             if (bookmark)
1228                 bookmark_autobookmark();
1229             audio_stop();
1230 #ifdef AB_REPEAT_ENABLE
1231             ab_reset_markers();
1232 #endif
1233             gwps_leave_wps();
1234 #ifdef HAVE_RECORDING
1235             if (button == ACTION_WPS_REC)
1236                 return GO_TO_RECSCREEN;
1237 #endif
1238             if (global_settings.browse_current)
1239                 return GO_TO_PREVIOUS_BROWSER;
1240             return GO_TO_PREVIOUS;
1241         }
1242
1243         if (button && !IS_SYSEVENT(button) )
1244             storage_spin();
1245     }
1246     return GO_TO_ROOT; /* unreachable - just to reduce compiler warnings */
1247 }
1248
1249 /* this is called from the playback thread so NO DRAWING! */
1250 static void track_changed_callback(void *param)
1251 {
1252     wps_state.id3 = (struct mp3entry*)param;
1253     wps_state.nid3 = audio_next_track();
1254     if (wps_state.id3->cuesheet)
1255     {
1256         cue_find_current_track(wps_state.id3->cuesheet, wps_state.id3->elapsed);
1257         cue_spoof_id3(wps_state.id3->cuesheet, wps_state.id3);
1258     }
1259     wps_sync_data.do_full_update = true;
1260 }
1261 static void nextid3available_callback(void* param)
1262 {
1263     (void)param;
1264     wps_state.nid3 = audio_next_track();
1265     wps_sync_data.do_full_update = true;
1266 }
1267
1268
1269 static void wps_state_init(void)
1270 {
1271     wps_state.ff_rewind = false;
1272     wps_state.paused = false;
1273     if(audio_status() & AUDIO_STATUS_PLAY)
1274     {
1275         wps_state.id3 = audio_current_track();
1276         wps_state.nid3 = audio_next_track();
1277     }
1278     else
1279     {
1280         wps_state.id3 = NULL;
1281         wps_state.nid3 = NULL;
1282     }
1283     /* We'll be updating due to restore initialized with true */
1284     wps_sync_data.do_full_update = false;
1285     /* add the WPS track event callbacks */
1286     add_event(PLAYBACK_EVENT_TRACK_CHANGE, false, track_changed_callback);
1287     add_event(PLAYBACK_EVENT_NEXTTRACKID3_AVAILABLE, false, nextid3available_callback);
1288 }
1289
1290
1291 void gui_sync_wps_init(void)
1292 {
1293     int i;
1294     FOR_NB_SCREENS(i)
1295     {
1296 #ifdef HAVE_ALBUMART
1297         wps_datas[i].albumart = NULL;
1298         wps_datas[i].playback_aa_slot = -1;
1299 #endif
1300         gui_wps[i].data = &wps_datas[i];
1301         gui_wps[i].display = &screens[i];
1302         /* Currently no seperate wps_state needed/possible
1303            so use the only available ( "global" ) one */
1304         gui_wps[i].state = &wps_state;
1305         /* must point to the same struct for both screens */
1306         gui_wps[i].sync_data = &wps_sync_data;
1307     }
1308 }
1309
1310
1311 #ifdef IPOD_ACCESSORY_PROTOCOL
1312 bool is_wps_fading(void)
1313 {
1314     return wps_state.is_fading;
1315 }
1316
1317 int wps_get_ff_rewind_count(void)
1318 {
1319     return wps_state.ff_rewind_count;
1320 }
1321 #endif