apps/gui/skin_engine/skin_parser.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Nicolas Pennequin, Dan Everton, Matthias Mohr
  11  *               2010 Jonathan Gordon
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <stdlib.h>
  26 #include "config.h"
  27 #include "file.h"
  28 #include "misc.h"
  29 #include "plugin.h"
  30 #include "viewport.h"
  31
  32 #include "skin_buffer.h"
  33 #include "skin_parser.h"
  34 #include "tag_table.h"
  35
  36 #ifdef __PCTOOL__
  37 #ifdef WPSEDITOR
  38 #include "proxy.h"
  39 #include "sysfont.h"
  40 #else
  41 #include "action.h"
  42 #include "checkwps.h"
  43 #include "audio.h"
  44 #define lang_is_rtl() (false)
  45 #define DEBUGF printf
  46 #endif /*WPSEDITOR*/
  47 #else
  48 #include "debug.h"
  49 #include "language.h"
  50 #endif /*__PCTOOL__*/
  51
  52 #include <ctype.h>
  53 #include <stdbool.h>
  54 #include "font.h"
  55
  56 #include "wps_internals.h"
  57 #include "skin_engine.h"
  58 #include "settings.h"
  59 #include "settings_list.h"
  60 #if CONFIG_TUNER
  61 #include "radio.h"
  62 #include "tuner.h"
  63 #endif
  64 #include "skin_fonts.h"
  65
  66 #ifdef HAVE_LCD_BITMAP
  67 #include "bmp.h"
  68 #endif
  69
  70 #ifdef HAVE_ALBUMART
  71 #include "playback.h"
  72 #endif
  73
  74 #include "backdrop.h"
  75 #include "statusbar-skinned.h"
  76
  77 #define WPS_ERROR_INVALID_PARAM         -1
  78
  79
  80 static bool isdefault(struct skin_tag_parameter *param)
  81 {
  82     return param->type == DEFAULT;
  83 }
  84
  85
  86 /* which screen are we parsing for? */
  87 static enum screen_type curr_screen;
  88
  89 /* the current viewport */
  90 static struct skin_element *curr_viewport_element;
  91 static struct skin_viewport *curr_vp;
  92
  93 static struct line *curr_line;
  94
  95 static int follow_lang_direction = 0;
  96
  97 typedef int (*parse_function)(struct skin_element *element,
  98                               struct wps_token *token,
  99                               struct wps_data *wps_data);
 100
 101 #ifdef HAVE_LCD_BITMAP
 102 /* add a skin_token_list item to the list chain. ALWAYS appended because some of the
 103  * chains require the order to be kept.
 104  */
 105 static void add_to_ll_chain(struct skin_token_list **list, struct skin_token_list *item)
 106 {
 107     if (*list == NULL)
 108         *list = item;
 109     else
 110     {
 111         struct skin_token_list *t = *list;
 112         while (t->next)
 113             t = t->next;
 114         t->next = item;
 115     }
 116 }
 117
 118 /* traverse the image linked-list for an image */
 119 struct gui_img* find_image(const char *label, struct wps_data *data)
 120 {
 121     struct skin_token_list *list = data->images;
 122     while (list)
 123     {
 124         struct gui_img *img = (struct gui_img *)list->token->value.data;
 125         if (!strcmp(img->label,label))
 126             return img;
 127         list = list->next;
 128     }
 129     return NULL;
 130 }
 131
 132 #endif
 133
 134 /* traverse the viewport linked list for a viewport */
 135 struct skin_viewport* find_viewport(const char *label, bool uivp, struct wps_data *data)
 136 {
 137     struct skin_element *list = data->tree;
 138     while (list)
 139     {
 140         struct skin_viewport *vp = (struct skin_viewport *)list->data;
 141         if (vp->label && (vp->is_infovp == uivp) &&
 142             !strcmp(vp->label, label))
 143             return vp;
 144         list = list->next;
 145     }
 146     return NULL;
 147 }
 148
 149 #ifdef HAVE_LCD_BITMAP
 150
 151 /* create and init a new wpsll item.
 152  * passing NULL to token will alloc a new one.
 153  * You should only pass NULL for the token when the token type (table above)
 154  * is WPS_NO_TOKEN which means it is not stored automatically in the skins token array
 155  */
 156 static struct skin_token_list *new_skin_token_list_item(struct wps_token *token,
 157                                                         void* token_data)
 158 {
 159     struct skin_token_list *llitem =
 160         (struct skin_token_list *)skin_buffer_alloc(sizeof(struct skin_token_list));
 161     if (!token)
 162         token = (struct wps_token*)skin_buffer_alloc(sizeof(struct wps_token));
 163     if (!llitem || !token)
 164         return NULL;
 165     llitem->next = NULL;
 166     llitem->token = token;
 167     if (token_data)
 168         llitem->token->value.data = token_data;
 169     return llitem;
 170 }
 171
 172 static int parse_statusbar_tags(struct skin_element* element,
 173                                 struct wps_token *token,
 174                                 struct wps_data *wps_data)
 175 {
 176     (void)element;
 177     if (token->type == SKIN_TOKEN_DRAW_INBUILTBAR)
 178     {
 179         token->value.data = (void*)&curr_vp->vp;
 180     }
 181     else
 182     {
 183         struct skin_element *def_vp = wps_data->tree;
 184         struct skin_viewport *default_vp = def_vp->data;
 185         if (def_vp->params_count == 0)
 186         {
 187             wps_data->wps_sb_tag = true;
 188             wps_data->show_sb_on_wps = (token->type == SKIN_TOKEN_ENABLE_THEME);
 189         }
 190         if (wps_data->show_sb_on_wps)
 191         {
 192             viewport_set_defaults(&default_vp->vp, curr_screen);
 193         }
 194         else
 195         {
 196             viewport_set_fullscreen(&default_vp->vp, curr_screen);
 197         }
 198 #ifdef HAVE_REMOTE_LCD
 199         /* viewport_set_defaults() sets the font to FONT_UI+curr_screen.
 200          * This parser requires font 1 to always be the UI font,
 201          * so force it back to FONT_UI and handle the screen number at the end */
 202         default_vp->vp.font = FONT_UI;
 203 #endif
 204     }
 205     return 0;
 206 }
 207
 208 static int get_image_id(int c)
 209 {
 210     if(c >= 'a' && c <= 'z')
 211         return c - 'a';
 212     else if(c >= 'A' && c <= 'Z')
 213         return c - 'A' + 26;
 214     else
 215         return -1;
 216 }
 217
 218 char *get_image_filename(const char *start, const char* bmpdir,
 219                                 char *buf, int buf_size)
 220 {
 221     snprintf(buf, buf_size, "%s/%s", bmpdir, start);
 222
 223     return buf;
 224 }
 225
 226 static int parse_image_display(struct skin_element *element,
 227                                struct wps_token *token,
 228                                struct wps_data *wps_data)
 229 {
 230     char *label = element->params[0].data.text;
 231     char sublabel = '\0';
 232     int subimage;
 233     struct gui_img *img;
 234     struct image_display *id = skin_buffer_alloc(sizeof(struct image_display));
 235
 236     if (element->params_count == 1 && strlen(label) <= 2)
 237     {
 238         /* backwards compatability. Allow %xd(Aa) to still work */
 239         sublabel = label[1];
 240         label[1] = '\0';
 241     }
 242     /* sanity check */
 243     img = find_image(label, wps_data);
 244     if (!img || !id)
 245     {
 246         return WPS_ERROR_INVALID_PARAM;
 247     }
 248     id->label = label;
 249     id->offset = 0;
 250     id->token = NULL;
 251     if (img->using_preloaded_icons)
 252     {
 253         token->type = SKIN_TOKEN_IMAGE_DISPLAY_LISTICON;
 254     }
 255
 256     if (element->params_count > 1)
 257     {
 258         if (element->params[1].type == CODE)
 259             id->token = element->params[1].data.code->data;
 260         /* specify a number. 1 being the first subimage (i.e top) NOT 0 */
 261         else if (element->params[1].type == INTEGER)
 262             id->subimage = element->params[1].data.number - 1;
 263         if (element->params_count > 2)
 264             id->offset = element->params[2].data.number;
 265     }
 266     else
 267     {
 268         if ((subimage = get_image_id(sublabel)) != -1)
 269         {
 270             if (subimage >= img->num_subimages)
 271                 return WPS_ERROR_INVALID_PARAM;
 272             id->subimage = subimage;
 273         } else {
 274             id->subimage = 0;
 275         }
 276     }
 277     token->value.data = id;
 278     return 0;
 279 }
 280
 281 static int parse_image_load(struct skin_element *element,
 282                             struct wps_token *token,
 283                             struct wps_data *wps_data)
 284 {
 285     const char* filename;
 286     const char* id;
 287     int x,y;
 288     struct gui_img *img;
 289
 290     /* format: %x(n,filename.bmp,x,y)
 291        or %xl(n,filename.bmp,x,y)
 292        or %xl(n,filename.bmp,x,y,num_subimages)
 293     */
 294
 295     id = element->params[0].data.text;
 296     filename = element->params[1].data.text;
 297     x = element->params[2].data.number;
 298     y = element->params[3].data.number;
 299
 300     /* check the image number and load state */
 301     if(find_image(id, wps_data))
 302     {
 303         /* Invalid image ID */
 304         return WPS_ERROR_INVALID_PARAM;
 305     }
 306     img = (struct gui_img*)skin_buffer_alloc(sizeof(struct gui_img));
 307     if (!img)
 308         return WPS_ERROR_INVALID_PARAM;
 309     /* save a pointer to the filename */
 310     img->bm.data = (char*)filename;
 311     img->label = id;
 312     img->x = x;
 313     img->y = y;
 314     img->num_subimages = 1;
 315     img->always_display = false;
 316     img->display = -1;
 317     img->using_preloaded_icons = false;
 318
 319     /* save current viewport */
 320     img->vp = &curr_vp->vp;
 321
 322     if (token->type == SKIN_TOKEN_IMAGE_DISPLAY)
 323     {
 324         img->always_display = true;
 325     }
 326     else if (element->params_count == 5)
 327     {
 328         img->num_subimages = element->params[4].data.number;
 329         if (img->num_subimages <= 0)
 330             return WPS_ERROR_INVALID_PARAM;
 331     }
 332
 333     if (!strcmp(img->bm.data, "__list_icons__"))
 334     {
 335         img->num_subimages = Icon_Last_Themeable;
 336         img->using_preloaded_icons = true;
 337     }
 338
 339     struct skin_token_list *item =
 340             (struct skin_token_list *)new_skin_token_list_item(NULL, img);
 341     if (!item)
 342         return WPS_ERROR_INVALID_PARAM;
 343     add_to_ll_chain(&wps_data->images, item);
 344
 345     return 0;
 346 }
 347 struct skin_font {
 348     int id; /* the id from font_load */
 349     char *name;  /* filename without path and extension */
 350     int glyphs;  /* how many glyphs to reserve room for */
 351 };
 352 static struct skin_font skinfonts[MAXUSERFONTS];
 353 static int parse_font_load(struct skin_element *element,
 354                            struct wps_token *token,
 355                            struct wps_data *wps_data)
 356 {
 357     (void)wps_data; (void)token;
 358     int id = element->params[0].data.number;
 359     char *filename = element->params[1].data.text;
 360     int  glyphs;
 361     char *ptr;
 362
 363     if(element->params_count > 2)
 364         glyphs = element->params[2].data.number;
 365     else
 366         glyphs = GLYPHS_TO_CACHE;
 367 #if defined(DEBUG) || defined(SIMULATOR)
 368     if (skinfonts[id-FONT_FIRSTUSERFONT].name != NULL)
 369     {
 370         DEBUGF("font id %d already being used\n", id);
 371     }
 372 #endif
 373     /* make sure the filename contains .fnt,
 374      * we dont actually use it, but require it anyway */
 375     ptr = strchr(filename, '.');
 376     if (!ptr || strncmp(ptr, ".fnt", 4))
 377         return WPS_ERROR_INVALID_PARAM;
 378     skinfonts[id-FONT_FIRSTUSERFONT].id = -1;
 379     skinfonts[id-FONT_FIRSTUSERFONT].name = filename;
 380     skinfonts[id-FONT_FIRSTUSERFONT].glyphs = glyphs;
 381
 382     return 0;
 383 }
 384
 385
 386 #ifdef HAVE_LCD_BITMAP
 387
 388 static int parse_playlistview(struct skin_element *element,
 389                               struct wps_token *token,
 390                               struct wps_data *wps_data)
 391 {
 392     (void)wps_data;
 393     struct playlistviewer *viewer =
 394         (struct playlistviewer *)skin_buffer_alloc(sizeof(struct playlistviewer));
 395     if (!viewer)
 396         return WPS_ERROR_INVALID_PARAM;
 397     viewer->vp = &curr_vp->vp;
 398     viewer->show_icons = true;
 399     viewer->start_offset = element->params[0].data.number;
 400     viewer->line = element->params[1].data.code;
 401
 402     token->value.data = (void*)viewer;
 403
 404     return 0;
 405 }
 406 #endif
 407
 408 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
 409
 410 static int parse_viewportcolour(struct skin_element *element,
 411                                 struct wps_token *token,
 412                                 struct wps_data *wps_data)
 413 {
 414     (void)wps_data;
 415     struct skin_tag_parameter *param = element->params;
 416     struct viewport_colour *colour =
 417         (struct viewport_colour *)skin_buffer_alloc(sizeof(struct viewport_colour));
 418     if (!colour)
 419         return -1;
 420     if (isdefault(param))
 421     {
 422         colour->colour = get_viewport_default_colour(curr_screen,
 423                                    token->type == SKIN_TOKEN_VIEWPORT_FGCOLOUR);
 424     }
 425     else
 426     {
 427         if (!parse_color(curr_screen, param->data.text, &colour->colour))
 428             return -1;
 429     }
 430     colour->vp = &curr_vp->vp;
 431     token->value.data = colour;
 432     if (element->line == curr_viewport_element->line)
 433     {
 434         if (token->type == SKIN_TOKEN_VIEWPORT_FGCOLOUR)
 435         {
 436             curr_vp->start_fgcolour = colour->colour;
 437             curr_vp->vp.fg_pattern = colour->colour;
 438         }
 439         else
 440         {
 441             curr_vp->start_bgcolour = colour->colour;
 442             curr_vp->vp.bg_pattern = colour->colour;
 443         }
 444     }
 445     return 0;
 446 }
 447
 448 static int parse_image_special(struct skin_element *element,
 449                                struct wps_token *token,
 450                                struct wps_data *wps_data)
 451 {
 452     (void)wps_data; /* kill warning */
 453     (void)token;
 454
 455 #if LCD_DEPTH > 1
 456     char *filename;
 457     if (token->type == SKIN_TOKEN_IMAGE_BACKDROP)
 458     {
 459         if (isdefault(&element->params[0]))
 460         {
 461             filename = "-";
 462         }
 463         else
 464         {
 465             filename = element->params[0].data.text;
 466             /* format: %X(filename.bmp) or %X(d) */
 467             if (!strcmp(filename, "d"))
 468                 filename = NULL;
 469         }
 470         wps_data->backdrop = filename;
 471     }
 472 #endif
 473
 474     return 0;
 475 }
 476 #endif
 477
 478 #endif /* HAVE_LCD_BITMAP */
 479
 480 static int parse_setting_and_lang(struct skin_element *element,
 481                                   struct wps_token *token,
 482                                   struct wps_data *wps_data)
 483 {
 484     /* NOTE: both the string validations that happen in here will
 485      * automatically PASS on checkwps because its too hard to get
 486      * settings_list.c and english.lang built for it.
 487      * If that ever changes remove the #ifndef __PCTOOL__'s here
 488      */
 489     (void)wps_data;
 490     char *temp = element->params[0].data.text;
 491     int i;
 492
 493     if (token->type == SKIN_TOKEN_TRANSLATEDSTRING)
 494     {
 495 #ifndef __PCTOOL__
 496         i = lang_english_to_id(temp);
 497         if (i < 0)
 498             return WPS_ERROR_INVALID_PARAM;
 499 #endif
 500     }
 501     else
 502     {
 503         /* Find the setting */
 504         for (i=0; i<nb_settings; i++)
 505             if (settings[i].cfg_name &&
 506                 !strcmp(settings[i].cfg_name, temp))
 507                 break;
 508 #ifndef __PCTOOL__
 509         if (i == nb_settings)
 510             return WPS_ERROR_INVALID_PARAM;
 511 #endif
 512     }
 513     /* Store the setting number */
 514     token->value.i = i;
 515     return 0;
 516 }
 517 static int parse_logical_if(struct skin_element *element,
 518                              struct wps_token *token,
 519                              struct wps_data *wps_data)
 520 {
 521     (void)wps_data;
 522     char *op = element->params[1].data.text;
 523     struct logical_if *lif = skin_buffer_alloc(sizeof(struct logical_if));
 524     if (!lif)
 525         return -1;
 526     token->value.data = lif;
 527     lif->token = element->params[0].data.code->data;
 528
 529     if (!strcmp(op, "="))
 530         lif->op = IF_EQUALS;
 531     if (!strcmp(op, "!="))
 532         lif->op = IF_NOTEQUALS;
 533     if (!strcmp(op, "<"))
 534         lif->op = IF_LESSTHAN;
 535     if (!strcmp(op, "<="))
 536         lif->op = IF_LESSTHAN_EQ;
 537     if (!strcmp(op, ">"))
 538         lif->op = IF_GREATERTHAN;
 539     if (!strcmp(op, ">="))
 540         lif->op = IF_GREATERTHAN_EQ;
 541
 542     memcpy(&lif->operand, &element->params[2], sizeof(lif->operand));
 543     if (element->params_count > 3)
 544         lif->num_options = element->params[3].data.number;
 545     else
 546         lif->num_options = TOKEN_VALUE_ONLY;
 547     return 0;
 548
 549 }
 550 static int parse_timeout_tag(struct skin_element *element,
 551                              struct wps_token *token,
 552                              struct wps_data *wps_data)
 553 {
 554     (void)wps_data;
 555     int val = 0;
 556     if (element->params_count == 0)
 557     {
 558         switch (token->type)
 559         {
 560             case SKIN_TOKEN_SUBLINE_TIMEOUT:
 561                 return -1;
 562             case SKIN_TOKEN_BUTTON_VOLUME:
 563             case SKIN_TOKEN_TRACK_STARTING:
 564             case SKIN_TOKEN_TRACK_ENDING:
 565             case SKIN_TOKEN_LASTTOUCH:
 566                 val = 10;
 567                 break;
 568             default:
 569                 break;
 570         }
 571     }
 572     else
 573         val = element->params[0].data.number;
 574     token->value.i = val * TIMEOUT_UNIT;
 575     return 0;
 576 }
 577
 578 static int parse_progressbar_tag(struct skin_element* element,
 579                                  struct wps_token *token,
 580                                  struct wps_data *wps_data)
 581 {
 582 #ifdef HAVE_LCD_BITMAP
 583     struct progressbar *pb;
 584     struct viewport *vp = &curr_vp->vp;
 585     struct skin_tag_parameter *param = element->params;
 586     int curr_param = 0;
 587     char *image_filename = NULL;
 588
 589     if (element->params_count == 0 &&
 590         element->tag->type != SKIN_TOKEN_PROGRESSBAR)
 591         return 0; /* nothing to do */
 592     pb = (struct progressbar*)skin_buffer_alloc(sizeof(struct progressbar));
 593
 594     token->value.data = pb;
 595
 596     if (!pb)
 597         return WPS_ERROR_INVALID_PARAM;
 598     pb->vp = vp;
 599     pb->follow_lang_direction = follow_lang_direction > 0;
 600     pb->nofill = false;
 601     pb->nobar = false;
 602     pb->image = NULL;
 603     pb->slider = NULL;
 604     pb->invert_fill_direction = false;
 605     pb->horizontal = true;
 606
 607     if (element->params_count == 0)
 608     {
 609         pb->x = 0;
 610         pb->width = vp->width;
 611         pb->height = SYSFONT_HEIGHT-2;
 612         pb->y = -1; /* Will be computed during the rendering */
 613         pb->type = element->tag->type;
 614         return 0;
 615     }
 616
 617     /* (x, y, width, height, ...) */
 618     if (!isdefault(param))
 619         pb->x = param->data.number;
 620     else
 621         pb->x = 0;
 622     param++;
 623
 624     if (!isdefault(param))
 625         pb->y = param->data.number;
 626     else
 627         pb->y = -1; /* computed at rendering */
 628     param++;
 629
 630     if (!isdefault(param))
 631         pb->width = param->data.number;
 632     else
 633         pb->width = vp->width - pb->x;
 634     param++;
 635
 636     if (!isdefault(param))
 637     {
 638         /* A zero height makes no sense - reject it */
 639         if (param->data.number == 0)
 640             return WPS_ERROR_INVALID_PARAM;
 641
 642         pb->height = param->data.number;
 643     }
 644     else
 645     {
 646         if (vp->font > FONT_UI)
 647             pb->height = -1; /* calculate at display time */
 648         else
 649         {
 650 #ifndef __PCTOOL__
 651             pb->height = font_get(vp->font)->height;
 652 #else
 653             pb->height = 8;
 654 #endif
 655         }
 656     }
 657     /* optional params, first is the image filename if it isnt recognised as a keyword */
 658
 659     curr_param = 4;
 660     if (isdefault(&element->params[curr_param]))
 661     {
 662         param++;
 663         curr_param++;
 664     }
 665
 666     pb->horizontal = pb->width > pb->height;
 667     while (curr_param < element->params_count)
 668     {
 669         param++;
 670         if (!strcmp(param->data.text, "invert"))
 671             pb->invert_fill_direction = true;
 672         else if (!strcmp(param->data.text, "nofill"))
 673             pb->nofill = true;
 674         else if (!strcmp(param->data.text, "nobar"))
 675             pb->nobar = true;
 676         else if (!strcmp(param->data.text, "slider"))
 677         {
 678             if (curr_param+1 < element->params_count)
 679             {
 680                 curr_param++;
 681                 param++;
 682                 pb->slider = find_image(param->data.text, wps_data);
 683             }
 684             else /* option needs the next param */
 685                 return -1;
 686         }
 687         else if (!strcmp(param->data.text, "image"))
 688         {
 689             if (curr_param+1 < element->params_count)
 690             {
 691                 curr_param++;
 692                 param++;
 693                 image_filename = param->data.text;
 694
 695             }
 696             else /* option needs the next param */
 697                 return -1;
 698         }
 699         else if (!strcmp(param->data.text, "vertical"))
 700         {
 701             pb->horizontal = false;
 702             if (isdefault(&element->params[3]))
 703                 pb->height = vp->height - pb->y;
 704         }
 705         else if (!strcmp(param->data.text, "horizontal"))
 706             pb->horizontal = true;
 707         else if (curr_param == 4)
 708             image_filename = param->data.text;
 709
 710         curr_param++;
 711     }
 712
 713     if (image_filename)
 714     {
 715         pb->image = find_image(image_filename, wps_data);
 716         if (!pb->image) /* load later */
 717         {
 718             struct gui_img* img = (struct gui_img*)skin_buffer_alloc(sizeof(struct gui_img));
 719             if (!img)
 720                 return WPS_ERROR_INVALID_PARAM;
 721             /* save a pointer to the filename */
 722             img->bm.data = (char*)image_filename;
 723             img->label = image_filename;
 724             img->x = 0;
 725             img->y = 0;
 726             img->num_subimages = 1;
 727             img->always_display = false;
 728             img->display = -1;
 729             img->using_preloaded_icons = false;
 730             img->vp = &curr_vp->vp;
 731             struct skin_token_list *item =
 732                     (struct skin_token_list *)new_skin_token_list_item(NULL, img);
 733             if (!item)
 734                 return WPS_ERROR_INVALID_PARAM;
 735             add_to_ll_chain(&wps_data->images, item);
 736             pb->image = img;
 737         }
 738     }
 739
 740
 741     if (token->type == SKIN_TOKEN_VOLUME)
 742         token->type = SKIN_TOKEN_VOLUMEBAR;
 743     else if (token->type == SKIN_TOKEN_BATTERY_PERCENT)
 744         token->type = SKIN_TOKEN_BATTERY_PERCENTBAR;
 745     pb->type = token->type;
 746
 747     return 0;
 748
 749 #else
 750     (void)element;
 751     if (token->type == SKIN_TOKEN_PROGRESSBAR ||
 752         token->type == SKIN_TOKEN_PLAYER_PROGRESSBAR)
 753     {
 754         wps_data->full_line_progressbar =
 755                         token->type == SKIN_TOKEN_PLAYER_PROGRESSBAR;
 756     }
 757     return 0;
 758
 759 #endif
 760 }
 761
 762 #ifdef HAVE_ALBUMART
 763 static int parse_albumart_load(struct skin_element* element,
 764                                struct wps_token *token,
 765                                struct wps_data *wps_data)
 766 {
 767     struct dim dimensions;
 768     int albumart_slot;
 769     bool swap_for_rtl = lang_is_rtl() && follow_lang_direction;
 770     struct skin_albumart *aa =
 771         (struct skin_albumart *)skin_buffer_alloc(sizeof(struct skin_albumart));
 772     (void)token; /* silence warning */
 773     if (!aa)
 774         return -1;
 775
 776     /* reset albumart info in wps */
 777     aa->width = -1;
 778     aa->height = -1;
 779     aa->xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
 780     aa->yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
 781
 782     aa->x = element->params[0].data.number;
 783     aa->y = element->params[1].data.number;
 784     aa->width = element->params[2].data.number;
 785     aa->height = element->params[3].data.number;
 786
 787     aa->vp = &curr_vp->vp;
 788     aa->draw_handle = -1;
 789
 790     /* if we got here, we parsed everything ok .. ! */
 791     if (aa->width < 0)
 792         aa->width = 0;
 793     else if (aa->width > LCD_WIDTH)
 794         aa->width = LCD_WIDTH;
 795
 796     if (aa->height < 0)
 797         aa->height = 0;
 798     else if (aa->height > LCD_HEIGHT)
 799         aa->height = LCD_HEIGHT;
 800
 801     if (swap_for_rtl)
 802         aa->x = LCD_WIDTH - (aa->x + aa->width);
 803
 804     aa->state = WPS_ALBUMART_LOAD;
 805     wps_data->albumart = aa;
 806
 807     dimensions.width = aa->width;
 808     dimensions.height = aa->height;
 809
 810     albumart_slot = playback_claim_aa_slot(&dimensions);
 811
 812     if (0 <= albumart_slot)
 813         wps_data->playback_aa_slot = albumart_slot;
 814
 815     if (element->params_count > 4 && !isdefault(&element->params[4]))
 816     {
 817         switch (*element->params[4].data.text)
 818         {
 819             case 'l':
 820             case 'L':
 821                 if (swap_for_rtl)
 822                     aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
 823                 else
 824                     aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
 825                 break;
 826             case 'c':
 827             case 'C':
 828                 aa->xalign = WPS_ALBUMART_ALIGN_CENTER;
 829                 break;
 830             case 'r':
 831             case 'R':
 832                 if (swap_for_rtl)
 833                     aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
 834                 else
 835                     aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
 836                 break;
 837         }
 838     }
 839     if (element->params_count > 5 && !isdefault(&element->params[5]))
 840     {
 841         switch (*element->params[5].data.text)
 842         {
 843             case 't':
 844             case 'T':
 845                 aa->yalign = WPS_ALBUMART_ALIGN_TOP;
 846                 break;
 847             case 'c':
 848             case 'C':
 849                 aa->yalign = WPS_ALBUMART_ALIGN_CENTER;
 850                 break;
 851             case 'b':
 852             case 'B':
 853                 aa->yalign = WPS_ALBUMART_ALIGN_BOTTOM;
 854                 break;
 855         }
 856     }
 857     return 0;
 858 }
 859
 860 #endif /* HAVE_ALBUMART */
 861
 862 #ifdef HAVE_TOUCHSCREEN
 863
 864 struct touchaction {const char* s; int action;};
 865 static const struct touchaction touchactions[] = {
 866     /* generic actions, convert to screen actions on use */
 867     {"prev", ACTION_STD_PREV },         {"next", ACTION_STD_NEXT },
 868     {"rwd", ACTION_STD_PREVREPEAT },    {"ffwd", ACTION_STD_NEXTREPEAT },
 869     {"hotkey", ACTION_STD_HOTKEY},      {"select", ACTION_STD_OK },
 870     {"menu", ACTION_STD_MENU },         {"cancel", ACTION_STD_CANCEL },
 871     {"contextmenu", ACTION_STD_CONTEXT},{"quickscreen", ACTION_STD_QUICKSCREEN },
 872
 873     /* list/tree actions */
 874     { "resumeplayback", ACTION_TREE_WPS}, /* returns to previous music, WPS/FM */
 875     /* not really WPS specific, but no equivilant ACTION_STD_* */
 876     {"voldown", ACTION_WPS_VOLDOWN},    {"volup", ACTION_WPS_VOLUP},
 877
 878     /* generic settings changers */
 879     {"setting_inc", ACTION_SETTINGS_INC}, {"setting_dec", ACTION_SETTINGS_DEC},
 880
 881     /* WPS specific actions */
 882     {"browse", ACTION_WPS_BROWSE },
 883     {"play", ACTION_WPS_PLAY },         {"stop", ACTION_WPS_STOP },
 884     {"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
 885     {"pitch", ACTION_WPS_PITCHSCREEN},  {"playlist", ACTION_WPS_VIEW_PLAYLIST },
 886
 887 #if CONFIG_TUNER
 888     /* FM screen actions */
 889     /* Also allow browse, play, stop from WPS codes */
 890     {"mode", ACTION_FM_MODE },          {"record", ACTION_FM_RECORD },
 891     {"presets", ACTION_FM_PRESET},
 892 #endif
 893 };
 894
 895 static int parse_touchregion(struct skin_element *element,
 896                              struct wps_token *token,
 897                              struct wps_data *wps_data)
 898 {
 899     (void)token;
 900     unsigned i, imax;
 901     struct touchregion *region = NULL;
 902     const char *action;
 903     const char pb_string[] = "progressbar";
 904     const char vol_string[] = "volume";
 905     char temp[20];
 906
 907     /* format: %T(x,y,width,height,action)
 908      * if action starts with & the area must be held to happen
 909      * action is one of:
 910      * play  -  play/pause playback
 911      * stop  -  stop playback, exit the wps
 912      * prev  -  prev track
 913      * next  -  next track
 914      * ffwd  -  seek forward
 915      * rwd   -  seek backwards
 916      * menu  -  go back to the main menu
 917      * browse - go back to the file/db browser
 918      * shuffle - toggle shuffle mode
 919      * repmode - cycle the repeat mode
 920      * quickscreen - go into the quickscreen
 921      * contextmenu - open the context menu
 922      * playlist - go into the playlist
 923      * pitch - go into the pitchscreen
 924      * volup - increase volume by one step
 925      * voldown - decrease volume by one step
 926     */
 927
 928
 929     region = (struct touchregion*)skin_buffer_alloc(sizeof(struct touchregion));
 930     if (!region)
 931         return WPS_ERROR_INVALID_PARAM;
 932
 933     /* should probably do some bounds checking here with the viewport... but later */
 934     region->action = ACTION_NONE;
 935     region->x = element->params[0].data.number;
 936     region->y = element->params[1].data.number;
 937     region->width = element->params[2].data.number;
 938     region->height = element->params[3].data.number;
 939     region->wvp = curr_vp;
 940     region->armed = false;
 941     region->reverse_bar = false;
 942     region->extradata = NULL;
 943     action = element->params[4].data.text;
 944
 945     strcpy(temp, action);
 946     action = temp;
 947
 948     if (*action == '!')
 949     {
 950         region->reverse_bar = true;
 951         action++;
 952     }
 953
 954     if(!strcmp(pb_string, action))
 955         region->type = WPS_TOUCHREGION_SCROLLBAR;
 956     else if(!strcmp(vol_string, action))
 957         region->type = WPS_TOUCHREGION_VOLUME;
 958     else
 959     {
 960         region->type = WPS_TOUCHREGION_ACTION;
 961
 962         if (*action == '&')
 963         {
 964             action++;
 965             region->repeat = true;
 966         }
 967         else
 968             region->repeat = false;
 969
 970         imax = ARRAYLEN(touchactions);
 971         for (i = 0; i < imax; i++)
 972         {
 973             /* try to match with one of our touchregion screens */
 974             if (!strcmp(touchactions[i].s, action))
 975             {
 976                 region->action = touchactions[i].action;
 977                 if (region->action == ACTION_SETTINGS_INC ||
 978                     region->action == ACTION_SETTINGS_DEC)
 979                 {
 980                     if (element->params_count < 6)
 981                     {
 982                         return WPS_ERROR_INVALID_PARAM;
 983                     }
 984                     else
 985                     {
 986                         char *name = element->params[5].data.text;
 987                         int j;
 988                         /* Find the setting */
 989                         for (j=0; j<nb_settings; j++)
 990                             if (settings[j].cfg_name &&
 991                                 !strcmp(settings[j].cfg_name, name))
 992                                 break;
 993                         if (j==nb_settings)
 994                             return WPS_ERROR_INVALID_PARAM;
 995                         region->extradata = (void*)&settings[j];
 996                     }
 997                 }
 998                 break;
 999             }
1000         }
1001         if (region->action == ACTION_NONE)
1002             return WPS_ERROR_INVALID_PARAM;
1003     }
1004     struct skin_token_list *item = new_skin_token_list_item(NULL, region);
1005     if (!item)
1006         return WPS_ERROR_INVALID_PARAM;
1007     add_to_ll_chain(&wps_data->touchregions, item);
1008     return 0;
1009 }
1010 #endif
1011
1012 static bool check_feature_tag(const int type)
1013 {
1014     switch (type)
1015     {
1016         case SKIN_TOKEN_RTC_PRESENT:
1017 #if CONFIG_RTC
1018             return true;
1019 #else
1020             return false;
1021 #endif
1022         case SKIN_TOKEN_HAVE_RECORDING:
1023 #ifdef HAVE_RECORDING
1024             return true;
1025 #else
1026             return false;
1027 #endif
1028         case SKIN_TOKEN_HAVE_TUNER:
1029 #if CONFIG_TUNER
1030             if (radio_hardware_present())
1031                 return true;
1032 #endif
1033             return false;
1034         case SKIN_TOKEN_HAVE_TOUCH:
1035 #ifdef HAVE_TOUCHSCREEN
1036             return true;
1037 #else
1038             return false;
1039 #endif
1040
1041 #if CONFIG_TUNER
1042         case SKIN_TOKEN_HAVE_RDS:
1043 #ifdef HAVE_RDS_CAP
1044             return true;
1045 #else
1046             return false;
1047 #endif /* HAVE_RDS_CAP */
1048 #endif /* CONFIG_TUNER */
1049         default: /* not a tag we care about, just don't skip */
1050             return true;
1051     }
1052 }
1053
1054 /*
1055  * initial setup of wps_data; does reset everything
1056  * except fields which need to survive, i.e.
1057  *
1058  **/
1059 static void skin_data_reset(struct wps_data *wps_data)
1060 {
1061     wps_data->tree = NULL;
1062 #ifdef HAVE_LCD_BITMAP
1063     wps_data->images = NULL;
1064 #endif
1065 #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
1066     if (wps_data->backdrop_id >= 0)
1067         skin_backdrop_unload(wps_data->backdrop_id);
1068     wps_data->backdrop = NULL;
1069 #endif
1070 #ifdef HAVE_TOUCHSCREEN
1071     wps_data->touchregions = NULL;
1072 #endif
1073 #ifdef HAVE_ALBUMART
1074     wps_data->albumart = NULL;
1075     if (wps_data->playback_aa_slot >= 0)
1076     {
1077         playback_release_aa_slot(wps_data->playback_aa_slot);
1078         wps_data->playback_aa_slot = -1;
1079     }
1080 #endif
1081
1082 #ifdef HAVE_LCD_BITMAP
1083     wps_data->peak_meter_enabled = false;
1084     wps_data->wps_sb_tag = false;
1085     wps_data->show_sb_on_wps = false;
1086 #else /* HAVE_LCD_CHARCELLS */
1087     /* progress bars */
1088     int i;
1089     for (i = 0; i < 8; i++)
1090     {
1091         wps_data->wps_progress_pat[i] = 0;
1092     }
1093     wps_data->full_line_progressbar = false;
1094 #endif
1095     wps_data->wps_loaded = false;
1096 }
1097
1098 #ifdef HAVE_LCD_BITMAP
1099 static bool load_skin_bmp(struct wps_data *wps_data, struct bitmap *bitmap, char* bmpdir)
1100 {
1101     (void)wps_data; /* only needed for remote targets */
1102     char img_path[MAX_PATH];
1103     int fd;
1104     get_image_filename(bitmap->data, bmpdir,
1105                        img_path, sizeof(img_path));
1106
1107     /* load the image */
1108     int format;
1109 #ifdef HAVE_REMOTE_LCD
1110     if (curr_screen == SCREEN_REMOTE)
1111         format = FORMAT_ANY|FORMAT_REMOTE;
1112     else
1113 #endif
1114         format = FORMAT_ANY|FORMAT_TRANSPARENT;
1115
1116     fd = open(img_path, O_RDONLY);
1117     if (fd < 0)
1118         return false;
1119     size_t buf_size = read_bmp_fd(fd, bitmap, 0,
1120                                     format|FORMAT_RETURN_SIZE, NULL);
1121     char* imgbuf = (char*)skin_buffer_alloc(buf_size);
1122     if (!imgbuf)
1123     {
1124         close(fd);
1125         return NULL;
1126     }
1127     lseek(fd, 0, SEEK_SET);
1128     bitmap->data = imgbuf;
1129     int ret = read_bmp_fd(fd, bitmap, buf_size, format, NULL);
1130
1131     close(fd);
1132     if (ret > 0)
1133     {
1134         return true;
1135     }
1136     else
1137     {
1138         /* Abort if we can't load an image */
1139         DEBUGF("Couldn't load '%s'\n", img_path);
1140         return false;
1141     }
1142 }
1143
1144 static bool load_skin_bitmaps(struct wps_data *wps_data, char *bmpdir)
1145 {
1146     struct skin_token_list *list;
1147     bool retval = true; /* return false if a single image failed to load */
1148
1149     /* regular images */
1150     list = wps_data->images;
1151     while (list)
1152     {
1153         struct gui_img *img = (struct gui_img*)list->token->value.data;
1154         if (img->bm.data)
1155         {
1156             if (img->using_preloaded_icons)
1157             {
1158                 img->loaded = true;
1159                 list->token->type = SKIN_TOKEN_IMAGE_DISPLAY_LISTICON;
1160             }
1161             else
1162             {
1163                 img->loaded = load_skin_bmp(wps_data, &img->bm, bmpdir);
1164                 if (img->loaded)
1165                     img->subimage_height = img->bm.height / img->num_subimages;
1166                 else
1167                     retval = false;
1168             }
1169         }
1170         list = list->next;
1171     }
1172
1173 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
1174     wps_data->backdrop_id = skin_backdrop_assign(wps_data->backdrop, bmpdir, curr_screen);
1175 #endif /* has backdrop support */
1176     return retval;
1177 }
1178
1179 static bool skin_load_fonts(struct wps_data *data)
1180 {
1181     /* don't spit out after the first failue to aid debugging */
1182     bool success = true;
1183     struct skin_element *vp_list;
1184     int font_id;
1185     /* walk though each viewport and assign its font */
1186     for(vp_list = data->tree; vp_list; vp_list = vp_list->next)
1187     {
1188         /* first, find the viewports that have a non-sys/ui-font font */
1189         struct skin_viewport *skin_vp =
1190                 (struct skin_viewport*)vp_list->data;
1191         struct viewport *vp = &skin_vp->vp;
1192
1193
1194         if (vp->font <= FONT_UI)
1195         {   /* the usual case -> built-in fonts */
1196 #ifdef HAVE_REMOTE_LCD
1197             if (vp->font == FONT_UI)
1198                 vp->font += curr_screen;
1199 #endif
1200             continue;
1201         }
1202         font_id = vp->font;
1203
1204         /* now find the corresponding skin_font */
1205         struct skin_font *font = &skinfonts[font_id-FONT_FIRSTUSERFONT];
1206         if (!font->name)
1207         {
1208             if (success)
1209             {
1210                 DEBUGF("font %d not specified\n", font_id);
1211             }
1212             success = false;
1213             continue;
1214         }
1215
1216         /* load the font - will handle loading the same font again if
1217          * multiple viewports use the same */
1218         if (font->id < 0)
1219         {
1220             char *dot = strchr(font->name, '.');
1221             *dot = '\0';
1222             font->id = skin_font_load(font->name,
1223                        skinfonts[font_id-FONT_FIRSTUSERFONT].glyphs);
1224         }
1225
1226         if (font->id < 0)
1227         {
1228             DEBUGF("Unable to load font %d: '%s.fnt'\n",
1229                     font_id, font->name);
1230             font->name = NULL; /* to stop trying to load it again if we fail */
1231             success = false;
1232             font->name = NULL;
1233             continue;
1234         }
1235
1236         /* finally, assign the font_id to the viewport */
1237         vp->font = font->id;
1238     }
1239     return success;
1240 }
1241
1242 #endif /* HAVE_LCD_BITMAP */
1243 static int convert_viewport(struct wps_data *data, struct skin_element* element)
1244 {
1245     struct skin_viewport *skin_vp =
1246         (struct skin_viewport *)skin_buffer_alloc(sizeof(struct skin_viewport));
1247     struct screen *display = &screens[curr_screen];
1248
1249     if (!skin_vp)
1250         return CALLBACK_ERROR;
1251
1252     skin_vp->hidden_flags = 0;
1253     skin_vp->label = NULL;
1254     skin_vp->is_infovp = false;
1255     element->data = skin_vp;
1256     curr_vp = skin_vp;
1257     curr_viewport_element = element;
1258
1259     viewport_set_defaults(&skin_vp->vp, curr_screen);
1260 #ifdef HAVE_REMOTE_LCD
1261     /* viewport_set_defaults() sets the font to FONT_UI+curr_screen.
1262      * This parser requires font 1 to always be the UI font,
1263      * so force it back to FONT_UI and handle the screen number at the end */
1264     skin_vp->vp.font = FONT_UI;
1265 #endif
1266
1267 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
1268     skin_vp->start_fgcolour = skin_vp->vp.fg_pattern;
1269     skin_vp->start_bgcolour = skin_vp->vp.bg_pattern;
1270 #endif
1271
1272
1273     struct skin_tag_parameter *param = element->params;
1274     if (element->params_count == 0) /* default viewport */
1275     {
1276         if (!data->tree) /* first viewport in the skin */
1277             data->tree = element;
1278         skin_vp->label = VP_DEFAULT_LABEL;
1279         return CALLBACK_OK;
1280     }
1281
1282     if (element->params_count == 6)
1283     {
1284         if (element->tag->type == SKIN_TOKEN_UIVIEWPORT_LOAD)
1285         {
1286             skin_vp->is_infovp = true;
1287             if (isdefault(param))
1288             {
1289                 skin_vp->hidden_flags = VP_NEVER_VISIBLE;
1290                 skin_vp->label = VP_DEFAULT_LABEL;
1291             }
1292             else
1293             {
1294                 skin_vp->hidden_flags = VP_NEVER_VISIBLE;
1295                 skin_vp->label = param->data.text;
1296             }
1297         }
1298         else
1299         {
1300                 skin_vp->hidden_flags = VP_DRAW_HIDEABLE|VP_DRAW_HIDDEN;
1301                 skin_vp->label = param->data.text;
1302         }
1303         param++;
1304     }
1305     /* x */
1306     if (!isdefault(param))
1307     {
1308         skin_vp->vp.x = param->data.number;
1309         if (param->data.number < 0)
1310             skin_vp->vp.x += display->lcdwidth;
1311     }
1312     param++;
1313     /* y */
1314     if (!isdefault(param))
1315     {
1316         skin_vp->vp.y = param->data.number;
1317         if (param->data.number < 0)
1318             skin_vp->vp.y += display->lcdheight;
1319     }
1320     param++;
1321     /* width */
1322     if (!isdefault(param))
1323     {
1324         skin_vp->vp.width = param->data.number;
1325         if (param->data.number < 0)
1326             skin_vp->vp.width = (skin_vp->vp.width + display->lcdwidth) - skin_vp->vp.x;
1327     }
1328     else
1329     {
1330         skin_vp->vp.width = display->lcdwidth - skin_vp->vp.x;
1331     }
1332     param++;
1333     /* height */
1334     if (!isdefault(param))
1335     {
1336         skin_vp->vp.height = param->data.number;
1337         if (param->data.number < 0)
1338             skin_vp->vp.height = (skin_vp->vp.height + display->lcdheight) - skin_vp->vp.y;
1339     }
1340     else
1341     {
1342         skin_vp->vp.height = display->lcdheight - skin_vp->vp.y;
1343     }
1344     param++;
1345 #ifdef HAVE_LCD_BITMAP
1346     /* font */
1347     if (!isdefault(param))
1348     {
1349         skin_vp->vp.font = param->data.number;
1350     }
1351 #endif
1352     if ((unsigned) skin_vp->vp.x >= (unsigned) display->lcdwidth ||
1353         skin_vp->vp.width + skin_vp->vp.x > display->lcdwidth ||
1354         (unsigned) skin_vp->vp.y >= (unsigned) display->lcdheight ||
1355         skin_vp->vp.height + skin_vp->vp.y > display->lcdheight)
1356         return CALLBACK_ERROR;
1357
1358     return CALLBACK_OK;
1359 }
1360
1361 static int skin_element_callback(struct skin_element* element, void* data)
1362 {
1363     struct wps_data *wps_data = (struct wps_data *)data;
1364     struct wps_token *token;
1365     parse_function function = NULL;
1366
1367     switch (element->type)
1368     {
1369         /* IMPORTANT: element params are shared, so copy them if needed
1370          *            or use then NOW, dont presume they have a long lifespan
1371          */
1372         case TAG:
1373         {
1374             token = (struct wps_token*)skin_buffer_alloc(sizeof(struct wps_token));
1375             memset(token, 0, sizeof(*token));
1376             token->type = element->tag->type;
1377
1378             if (element->tag->flags&SKIN_RTC_REFRESH)
1379             {
1380 #if CONFIG_RTC
1381                 curr_line->update_mode |= SKIN_REFRESH_DYNAMIC;
1382 #else
1383                 curr_line->update_mode |= SKIN_REFRESH_STATIC;
1384 #endif
1385             }
1386             else
1387                 curr_line->update_mode |= element->tag->flags&SKIN_REFRESH_ALL;
1388
1389             element->data = token;
1390
1391             /* Some tags need special handling for the tag, so add them here */
1392             switch (token->type)
1393             {
1394                 case SKIN_TOKEN_ALIGN_LANGDIRECTION:
1395                     follow_lang_direction = 2;
1396                     break;
1397                 case SKIN_TOKEN_LOGICAL_IF:
1398                     function = parse_logical_if;
1399                     break;
1400                 case SKIN_TOKEN_PROGRESSBAR:
1401                 case SKIN_TOKEN_VOLUME:
1402                 case SKIN_TOKEN_BATTERY_PERCENT:
1403                 case SKIN_TOKEN_PLAYER_PROGRESSBAR:
1404                     function = parse_progressbar_tag;
1405                     break;
1406                 case SKIN_TOKEN_SUBLINE_TIMEOUT:
1407                 case SKIN_TOKEN_BUTTON_VOLUME:
1408                 case SKIN_TOKEN_TRACK_STARTING:
1409                 case SKIN_TOKEN_TRACK_ENDING:
1410                 case SKIN_TOKEN_LASTTOUCH:
1411                     function = parse_timeout_tag;
1412                     break;
1413 #ifdef HAVE_LCD_BITMAP
1414                 case SKIN_TOKEN_DISABLE_THEME:
1415                 case SKIN_TOKEN_ENABLE_THEME:
1416                 case SKIN_TOKEN_DRAW_INBUILTBAR:
1417                     function = parse_statusbar_tags;
1418                     break;
1419                 case SKIN_TOKEN_LIST_TITLE_TEXT:
1420 #ifndef __PCTOOL__
1421                     sb_skin_has_title(curr_screen);
1422 #endif
1423                     break;
1424 #endif
1425                 case SKIN_TOKEN_FILE_DIRECTORY:
1426                     token->value.i = element->params[0].data.number;
1427                     break;
1428 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
1429                 case SKIN_TOKEN_VIEWPORT_FGCOLOUR:
1430                 case SKIN_TOKEN_VIEWPORT_BGCOLOUR:
1431                     function = parse_viewportcolour;
1432                     break;
1433                 case SKIN_TOKEN_IMAGE_BACKDROP:
1434                     function = parse_image_special;
1435                     break;
1436 #endif
1437                 case SKIN_TOKEN_TRANSLATEDSTRING:
1438                 case SKIN_TOKEN_SETTING:
1439                     function = parse_setting_and_lang;
1440                     break;
1441 #ifdef HAVE_LCD_BITMAP
1442                 case SKIN_TOKEN_VIEWPORT_CUSTOMLIST:
1443                     function = parse_playlistview;
1444                     break;
1445                 case SKIN_TOKEN_LOAD_FONT:
1446                     function = parse_font_load;
1447                     break;
1448                 case SKIN_TOKEN_VIEWPORT_ENABLE:
1449                 case SKIN_TOKEN_UIVIEWPORT_ENABLE:
1450                     token->value.data = element->params[0].data.text;
1451                     break;
1452                 case SKIN_TOKEN_IMAGE_PRELOAD_DISPLAY:
1453                     function = parse_image_display;
1454                     break;
1455                 case SKIN_TOKEN_IMAGE_PRELOAD:
1456                 case SKIN_TOKEN_IMAGE_DISPLAY:
1457                     function = parse_image_load;
1458                     break;
1459 #endif
1460 #ifdef HAVE_TOUCHSCREEN
1461                 case SKIN_TOKEN_TOUCHREGION:
1462                     function = parse_touchregion;
1463                     break;
1464 #endif
1465 #ifdef HAVE_ALBUMART
1466                 case SKIN_TOKEN_ALBUMART_DISPLAY:
1467                     if (wps_data->albumart)
1468                         wps_data->albumart->vp = &curr_vp->vp;
1469                     break;
1470                 case SKIN_TOKEN_ALBUMART_LOAD:
1471                     function = parse_albumart_load;
1472                     break;
1473 #endif
1474                 default:
1475                     break;
1476             }
1477             if (function)
1478             {
1479                 if (function(element, token, wps_data) < 0)
1480                     return CALLBACK_ERROR;
1481             }
1482             /* tags that start with 'F', 'I' or 'D' are for the next file */
1483             if ( *(element->tag->name) == 'I' || *(element->tag->name) == 'F' ||
1484                  *(element->tag->name) == 'D')
1485                 token->next = true;
1486             if (follow_lang_direction > 0 )
1487                 follow_lang_direction--;
1488             break;
1489         }
1490         case VIEWPORT:
1491             return convert_viewport(wps_data, element);
1492         case LINE:
1493         {
1494             struct line *line =
1495                 (struct line *)skin_buffer_alloc(sizeof(struct line));
1496             line->update_mode = SKIN_REFRESH_STATIC;
1497             curr_line = line;
1498             element->data = line;
1499         }
1500         break;
1501         case LINE_ALTERNATOR:
1502         {
1503             struct line_alternator *alternator =
1504                 (struct line_alternator *)skin_buffer_alloc(sizeof(struct line_alternator));
1505             alternator->current_line = 0;
1506 #ifndef __PCTOOL__
1507             alternator->next_change_tick = current_tick;
1508 #endif
1509             element->data = alternator;
1510         }
1511         break;
1512         case CONDITIONAL:
1513         {
1514             struct conditional *conditional =
1515                 (struct conditional *)skin_buffer_alloc(sizeof(struct conditional));
1516             conditional->last_value = -1;
1517             conditional->token = element->data;
1518             element->data = conditional;
1519             if (!check_feature_tag(element->tag->type))
1520             {
1521                 return FEATURE_NOT_AVAILABLE;
1522             }
1523             return CALLBACK_OK;
1524         }
1525         case TEXT:
1526             curr_line->update_mode |= SKIN_REFRESH_STATIC;
1527             break;
1528         default:
1529             break;
1530     }
1531     return CALLBACK_OK;
1532 }
1533
1534 /* to setup up the wps-data from a format-buffer (isfile = false)
1535    from a (wps-)file (isfile = true)*/
1536 bool skin_data_load(enum screen_type screen, struct wps_data *wps_data,
1537                     const char *buf, bool isfile)
1538 {
1539     char *wps_buffer = NULL;
1540     if (!wps_data || !buf)
1541         return false;
1542 #ifdef HAVE_ALBUMART
1543     int status;
1544     struct mp3entry *curtrack;
1545     long offset;
1546     struct skin_albumart old_aa = {.state = WPS_ALBUMART_NONE};
1547     if (wps_data->albumart)
1548     {
1549         old_aa.state = wps_data->albumart->state;
1550         old_aa.height = wps_data->albumart->height;
1551         old_aa.width = wps_data->albumart->width;
1552     }
1553 #endif
1554 #ifdef HAVE_LCD_BITMAP
1555     int i;
1556     for (i=0;i<MAXUSERFONTS;i++)
1557     {
1558         skinfonts[i].id = -1;
1559         skinfonts[i].name = NULL;
1560     }
1561 #endif
1562 #ifdef DEBUG_SKIN_ENGINE
1563     if (isfile && debug_wps)
1564     {
1565         DEBUGF("\n=====================\nLoading '%s'\n=====================\n", buf);
1566     }
1567 #endif
1568
1569
1570     skin_data_reset(wps_data);
1571     wps_data->wps_loaded = false;
1572     curr_screen = screen;
1573     curr_line = NULL;
1574     curr_vp = NULL;
1575     curr_viewport_element = NULL;
1576
1577     if (isfile)
1578     {
1579         int fd = open_utf8(buf, O_RDONLY);
1580
1581         if (fd < 0)
1582             return false;
1583
1584         /* get buffer space from the plugin buffer */
1585         size_t buffersize = 0;
1586         wps_buffer = (char *)plugin_get_buffer(&buffersize);
1587
1588         if (!wps_buffer)
1589             return false;
1590
1591         /* copy the file's content to the buffer for parsing,
1592            ensuring that every line ends with a newline char. */
1593         unsigned int start = 0;
1594         while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
1595         {
1596             start += strlen(wps_buffer + start);
1597             if (start < buffersize - 1)
1598             {
1599                 wps_buffer[start++] = '\n';
1600                 wps_buffer[start] = 0;
1601             }
1602         }
1603         close(fd);
1604         if (start <= 0)
1605             return false;
1606     }
1607     else
1608     {
1609         wps_buffer = (char*)buf;
1610     }
1611 #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
1612     wps_data->backdrop = "-";
1613     wps_data->backdrop_id = -1;
1614 #endif
1615     /* parse the skin source */
1616 #ifndef APPLICATION
1617     skin_buffer_save_position();
1618 #endif
1619     wps_data->tree = skin_parse(wps_buffer, skin_element_callback, wps_data);
1620     if (!wps_data->tree) {
1621         skin_data_reset(wps_data);
1622 #ifndef APPLICATION
1623         skin_buffer_restore_position();
1624 #endif
1625         return false;
1626     }
1627
1628 #ifdef HAVE_LCD_BITMAP
1629     char bmpdir[MAX_PATH];
1630     if (isfile)
1631     {
1632         /* get the bitmap dir */
1633         char *dot = strrchr(buf, '.');
1634         strlcpy(bmpdir, buf, dot - buf + 1);
1635     }
1636     else
1637     {   /* fall back to backdrop dir for built-in themes */
1638         /* no get_user_file_path(), assuming we ship bmps for built-in themes */
1639         snprintf(bmpdir, MAX_PATH, "%s", BACKDROP_DIR);
1640     }
1641     /* load the bitmaps that were found by the parsing */
1642     if (!load_skin_bitmaps(wps_data, bmpdir) ||
1643         !skin_load_fonts(wps_data))
1644     {
1645         skin_data_reset(wps_data);
1646 #ifndef APPLICATION
1647         skin_buffer_restore_position();
1648 #endif
1649         return false;
1650     }
1651 #endif
1652 #if defined(HAVE_ALBUMART) && !defined(__PCTOOL__)
1653     status = audio_status();
1654     if (status & AUDIO_STATUS_PLAY)
1655     {
1656         struct skin_albumart *aa = wps_data->albumart;
1657         if (aa && ((aa->state && !old_aa.state) ||
1658             (aa->state &&
1659             (((old_aa.height != aa->height) ||
1660             (old_aa.width != aa->width))))))
1661         {
1662             curtrack = audio_current_track();
1663             offset = curtrack->offset;
1664             audio_stop();
1665             if (!(status & AUDIO_STATUS_PAUSE))
1666                 audio_play(offset);
1667         }
1668     }
1669 #endif
1670     wps_data->wps_loaded = true;
1671 #ifdef DEBUG_SKIN_ENGINE
1672  //   if (isfile && debug_wps)
1673  //       debug_skin_usage();
1674 #endif
1675     return true;
1676 }