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