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rockbox/apps/gui/skin_engine/skin_parser.c
Jonathan Gordon 3f8e7fc26f New feature for the %xd() (display a preloaded image) skin tag. 
It can now automatically load the correct subimage from a strip (assuming the strip is in the correct order)  by giving a tag for the 2nd param.
example: %xd(F, %mp) which is equivilant to %?mp<%xd(Fa)|%xd(Fb)|%xd(Fc)|%xd(Fd)|%xd(Fe)>
You can also set the subimage offset.. i.e %xd(E, %mm, -1) which means "show nothing for the first value of %mm and use the bitmap strip for the remaining values"

if a tag+offset is <0 or greater than the number of subimages in a strip he image is cleared (I'm open to changing this if someone has a better idea)

cabbiev2.176x220x16.wps is an example of how to use this

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27717 a1c6a512-1295-4272-9138-f99709370657
2010-08-05 11:28:48 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Nicolas Pennequin, Dan Everton, Matthias Mohr
* 2010 Jonathan Gordon
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "config.h"
#include "file.h"
#include "misc.h"
#include "plugin.h"
#include "viewport.h"
#include "skin_buffer.h"
#include "skin_parser.h"
#include "tag_table.h"
#ifdef __PCTOOL__
#ifdef WPSEDITOR
#include "proxy.h"
#include "sysfont.h"
#else
#include "action.h"
#include "checkwps.h"
#include "audio.h"
#define lang_is_rtl() (false)
#define DEBUGF printf
#endif /*WPSEDITOR*/
#else
#include "debug.h"
#include "language.h"
#endif /*__PCTOOL__*/
#include <ctype.h>
#include <stdbool.h>
#include "font.h"
#include "wps_internals.h"
#include "skin_engine.h"
#include "settings.h"
#include "settings_list.h"
#if CONFIG_TUNER
#include "radio.h"
#include "tuner.h"
#endif
#include "skin_fonts.h"
#ifdef HAVE_LCD_BITMAP
#include "bmp.h"
#endif
#ifdef HAVE_ALBUMART
#include "playback.h"
#endif
#include "backdrop.h"
#include "statusbar-skinned.h"
#define WPS_ERROR_INVALID_PARAM -1
static bool isdefault(struct skin_tag_parameter *param)
{
return param->type == DEFAULT;
}
/* which screen are we parsing for? */
static enum screen_type curr_screen;
/* the current viewport */
static struct skin_element *curr_viewport_element;
static struct skin_viewport *curr_vp;
static struct line *curr_line;
static int follow_lang_direction = 0;
typedef int (*parse_function)(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data);
#ifdef HAVE_LCD_BITMAP
/* add a skin_token_list item to the list chain. ALWAYS appended because some of the
* chains require the order to be kept.
*/
static void add_to_ll_chain(struct skin_token_list **list, struct skin_token_list *item)
{
if (*list == NULL)
*list = item;
else
{
struct skin_token_list *t = *list;
while (t->next)
t = t->next;
t->next = item;
}
}
/* traverse the image linked-list for an image */
struct gui_img* find_image(char label, struct wps_data *data)
{
struct skin_token_list *list = data->images;
while (list)
{
struct gui_img *img = (struct gui_img *)list->token->value.data;
if (img->label == label)
return img;
list = list->next;
}
return NULL;
}
#endif
/* traverse the viewport linked list for a viewport */
struct skin_viewport* find_viewport(char *label, bool uivp, struct wps_data *data)
{
struct skin_element *list = data->tree;
while (list)
{
struct skin_viewport *vp = (struct skin_viewport *)list->data;
if (vp->label && (vp->is_infovp == uivp) &&
!strcmp(vp->label, label))
return vp;
list = list->next;
}
return NULL;
}
#ifdef HAVE_LCD_BITMAP
/* create and init a new wpsll item.
* passing NULL to token will alloc a new one.
* You should only pass NULL for the token when the token type (table above)
* is WPS_NO_TOKEN which means it is not stored automatically in the skins token array
*/
static struct skin_token_list *new_skin_token_list_item(struct wps_token *token,
void* token_data)
{
struct skin_token_list *llitem =
(struct skin_token_list *)skin_buffer_alloc(sizeof(struct skin_token_list));
if (!token)
token = (struct wps_token*)skin_buffer_alloc(sizeof(struct wps_token));
if (!llitem || !token)
return NULL;
llitem->next = NULL;
llitem->token = token;
if (token_data)
llitem->token->value.data = token_data;
return llitem;
}
static int parse_statusbar_tags(struct skin_element* element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)element;
if (token->type == SKIN_TOKEN_DRAW_INBUILTBAR)
{
token->value.data = (void*)&curr_vp->vp;
}
else
{
struct skin_element *def_vp = wps_data->tree;
struct skin_viewport *default_vp = def_vp->data;
if (def_vp->params_count == 0)
{
wps_data->wps_sb_tag = true;
wps_data->show_sb_on_wps = (token->type == SKIN_TOKEN_ENABLE_THEME);
}
if (wps_data->show_sb_on_wps)
{
viewport_set_defaults(&default_vp->vp, curr_screen);
}
else
{
viewport_set_fullscreen(&default_vp->vp, curr_screen);
}
#ifdef HAVE_REMOTE_LCD
/* viewport_set_defaults() sets the font to FONT_UI+curr_screen.
* This parser requires font 1 to always be the UI font,
* so force it back to FONT_UI and handle the screen number at the end */
default_vp->vp.font = FONT_UI;
#endif
}
return 0;
}
static int get_image_id(int c)
{
if(c >= 'a' && c <= 'z')
return c - 'a';
else if(c >= 'A' && c <= 'Z')
return c - 'A' + 26;
else
return -1;
}
char *get_image_filename(const char *start, const char* bmpdir,
char *buf, int buf_size)
{
snprintf(buf, buf_size, "%s/%s", bmpdir, start);
return buf;
}
static int parse_image_display(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
char *text = element->params[0].data.text;
char label = text[0];
char sublabel = text[1];
int subimage;
struct gui_img *img;
struct image_display *id = skin_buffer_alloc(sizeof(struct image_display));
/* sanity check */
img = find_image(label, wps_data);
if (!img || !id)
{
token->value.i = label; /* so debug works */
return WPS_ERROR_INVALID_PARAM;
}
id->label = label;
id->offset = 0;
if (element->params_count > 1)
{
id->token = element->params[1].data.code->data;
if (element->params_count > 2)
id->offset = element->params[2].data.number;
}
else
{
id->token = NULL;
if ((subimage = get_image_id(sublabel)) != -1)
{
if (subimage >= img->num_subimages)
return WPS_ERROR_INVALID_PARAM;
id->subimage = subimage;
token->value.i = label | (subimage << 8);
} else {
id->subimage = 0;
}
}
token->value.data = id;
return 0;
}
static int parse_image_load(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
const char* filename;
const char* id;
int x,y;
struct gui_img *img;
/* format: %x(n,filename.bmp,x,y)
or %xl(n,filename.bmp,x,y)
or %xl(n,filename.bmp,x,y,num_subimages)
*/
id = element->params[0].data.text;
filename = element->params[1].data.text;
x = element->params[2].data.number;
y = element->params[3].data.number;
/* check the image number and load state */
if(find_image(*id, wps_data))
{
/* Invalid image ID */
return WPS_ERROR_INVALID_PARAM;
}
img = (struct gui_img*)skin_buffer_alloc(sizeof(struct gui_img));
if (!img)
return WPS_ERROR_INVALID_PARAM;
/* save a pointer to the filename */
img->bm.data = (char*)filename;
img->label = *id;
img->x = x;
img->y = y;
img->num_subimages = 1;
img->always_display = false;
// img->just_drawn = false;
img->display = -1;
/* save current viewport */
img->vp = &curr_vp->vp;
if (token->type == SKIN_TOKEN_IMAGE_DISPLAY)
{
img->always_display = true;
}
else if (element->params_count == 5)
{
img->num_subimages = element->params[4].data.number;
if (img->num_subimages <= 0)
return WPS_ERROR_INVALID_PARAM;
}
struct skin_token_list *item =
(struct skin_token_list *)new_skin_token_list_item(NULL, img);
if (!item)
return WPS_ERROR_INVALID_PARAM;
add_to_ll_chain(&wps_data->images, item);
return 0;
}
struct skin_font {
int id; /* the id from font_load */
char *name; /* filename without path and extension */
};
static struct skin_font skinfonts[MAXUSERFONTS];
static int parse_font_load(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data; (void)token;
int id = element->params[0].data.number;
char *filename = element->params[1].data.text;
char *ptr;
#if defined(DEBUG) || defined(SIMULATOR)
if (skinfonts[id-FONT_FIRSTUSERFONT].name != NULL)
{
DEBUGF("font id %d already being used\n", id);
}
#endif
/* make sure the filename contains .fnt,
* we dont actually use it, but require it anyway */
ptr = strchr(filename, '.');
if (!ptr || strncmp(ptr, ".fnt", 4))
return WPS_ERROR_INVALID_PARAM;
skinfonts[id-FONT_FIRSTUSERFONT].id = -1;
skinfonts[id-FONT_FIRSTUSERFONT].name = filename;
return 0;
}
#ifdef HAVE_LCD_BITMAP
static int parse_playlistview(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
struct playlistviewer *viewer =
(struct playlistviewer *)skin_buffer_alloc(sizeof(struct playlistviewer));
if (!viewer)
return WPS_ERROR_INVALID_PARAM;
viewer->vp = &curr_vp->vp;
viewer->show_icons = true;
viewer->start_offset = element->params[0].data.number;
viewer->lines[0] = element->params[1].data.code;
viewer->lines[1] = element->params[2].data.code;
token->value.data = (void*)viewer;
return 0;
}
#endif
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
static int parse_viewportcolour(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
struct skin_tag_parameter *param = element->params;
struct viewport_colour *colour =
(struct viewport_colour *)skin_buffer_alloc(sizeof(struct viewport_colour));
if (!colour)
return -1;
if (isdefault(param))
{
colour->colour = get_viewport_default_colour(curr_screen,
token->type == SKIN_TOKEN_VIEWPORT_FGCOLOUR);
}
else
{
if (!parse_color(param->data.text, &colour->colour))
return -1;
}
colour->vp = &curr_vp->vp;
token->value.data = colour;
if (element->line == curr_viewport_element->line)
{
if (token->type == SKIN_TOKEN_VIEWPORT_FGCOLOUR)
{
curr_vp->start_fgcolour = colour->colour;
curr_vp->vp.fg_pattern = colour->colour;
}
else
{
curr_vp->start_bgcolour = colour->colour;
curr_vp->vp.bg_pattern = colour->colour;
}
}
return 0;
}
static int parse_image_special(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data; /* kill warning */
(void)token;
bool error = false;
#if LCD_DEPTH > 1
if (token->type == SKIN_TOKEN_IMAGE_BACKDROP)
{
char *filename = element->params[0].data.text;
/* format: %X|filename.bmp| or %Xd */
if (!strcmp(filename, "d"))
{
wps_data->backdrop = NULL;
return 0;
}
else if (!error)
{
wps_data->backdrop = filename;
}
}
#endif
/* Skip the rest of the line */
return error ? WPS_ERROR_INVALID_PARAM : 0;
}
#endif
#endif /* HAVE_LCD_BITMAP */
static int parse_setting_and_lang(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
/* NOTE: both the string validations that happen in here will
* automatically PASS on checkwps because its too hard to get
* settings_list.c and english.lang built for it.
* If that ever changes remove the #ifndef __PCTOOL__'s here
*/
(void)wps_data;
char *temp = element->params[0].data.text;
int i;
if (token->type == SKIN_TOKEN_TRANSLATEDSTRING)
{
#ifndef __PCTOOL__
i = lang_english_to_id(temp);
if (i < 0)
return WPS_ERROR_INVALID_PARAM;
#endif
}
else
{
/* Find the setting */
for (i=0; i<nb_settings; i++)
if (settings[i].cfg_name &&
!strcmp(settings[i].cfg_name, temp))
break;
#ifndef __PCTOOL__
if (i == nb_settings)
return WPS_ERROR_INVALID_PARAM;
#endif
}
/* Store the setting number */
token->value.i = i;
return 0;
}
static int parse_timeout_tag(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)wps_data;
int val = 0;
if (element->params_count == 0)
{
switch (token->type)
{
case SKIN_TOKEN_SUBLINE_TIMEOUT:
return -1;
case SKIN_TOKEN_BUTTON_VOLUME:
case SKIN_TOKEN_TRACK_STARTING:
case SKIN_TOKEN_TRACK_ENDING:
case SKIN_TOKEN_LASTTOUCH:
val = 10;
break;
default:
break;
}
}
else
val = element->params[0].data.number;
token->value.i = val * TIMEOUT_UNIT;
return 0;
}
static int parse_progressbar_tag(struct skin_element* element,
struct wps_token *token,
struct wps_data *wps_data)
{
#ifdef HAVE_LCD_BITMAP
struct progressbar *pb;
struct skin_token_list *item;
struct viewport *vp = &curr_vp->vp;
struct skin_tag_parameter *param = element->params;
if (element->params_count == 0 &&
element->tag->type != SKIN_TOKEN_PROGRESSBAR)
return 0; /* nothing to do */
pb = (struct progressbar*)skin_buffer_alloc(sizeof(struct progressbar));
token->value.data = pb;
if (!pb)
return WPS_ERROR_INVALID_PARAM;
pb->vp = vp;
pb->have_bitmap_pb = false;
pb->bm.data = NULL; /* no bitmap specified */
pb->follow_lang_direction = follow_lang_direction > 0;
if (element->params_count == 0)
{
pb->x = 0;
pb->width = vp->width;
pb->height = SYSFONT_HEIGHT-2;
pb->y = -1; /* Will be computed during the rendering */
pb->type = element->tag->type;
return 0;
}
item = new_skin_token_list_item(token, pb);
if (!item)
return -1;
add_to_ll_chain(&wps_data->progressbars, item);
/* (x,y,width,height,filename) */
if (!isdefault(param))
pb->x = param->data.number;
else
pb->x = vp->x;
param++;
if (!isdefault(param))
pb->y = param->data.number;
else
pb->y = -1; /* computed at rendering */
param++;
if (!isdefault(param))
pb->width = param->data.number;
else
pb->width = vp->width - pb->x;
param++;
if (!isdefault(param))
{
/* A zero height makes no sense - reject it */
if (param->data.number == 0)
return WPS_ERROR_INVALID_PARAM;
pb->height = param->data.number;
}
else
{
if (vp->font > FONT_UI)
pb->height = -1; /* calculate at display time */
else
{
#ifndef __PCTOOL__
pb->height = font_get(vp->font)->height;
#else
pb->height = 8;
#endif
}
}
param++;
if (!isdefault(param))
pb->bm.data = param->data.text;
if (token->type == SKIN_TOKEN_VOLUME)
token->type = SKIN_TOKEN_VOLUMEBAR;
else if (token->type == SKIN_TOKEN_BATTERY_PERCENT)
token->type = SKIN_TOKEN_BATTERY_PERCENTBAR;
pb->type = token->type;
return 0;
#else
(void)element;
if (token->type == SKIN_TOKEN_PROGRESSBAR ||
token->type == SKIN_TOKEN_PLAYER_PROGRESSBAR)
{
wps_data->full_line_progressbar =
token->type == SKIN_TOKEN_PLAYER_PROGRESSBAR;
}
return 0;
#endif
}
#ifdef HAVE_ALBUMART
static int parse_albumart_load(struct skin_element* element,
struct wps_token *token,
struct wps_data *wps_data)
{
struct dim dimensions;
int albumart_slot;
bool swap_for_rtl = lang_is_rtl() && follow_lang_direction;
struct skin_albumart *aa =
(struct skin_albumart *)skin_buffer_alloc(sizeof(struct skin_albumart));
(void)token; /* silence warning */
if (!aa)
return -1;
/* reset albumart info in wps */
aa->width = -1;
aa->height = -1;
aa->xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
aa->yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
aa->x = element->params[0].data.number;
aa->y = element->params[1].data.number;
aa->width = element->params[2].data.number;
aa->height = element->params[3].data.number;
aa->vp = &curr_vp->vp;
aa->draw_handle = -1;
/* if we got here, we parsed everything ok .. ! */
if (aa->width < 0)
aa->width = 0;
else if (aa->width > LCD_WIDTH)
aa->width = LCD_WIDTH;
if (aa->height < 0)
aa->height = 0;
else if (aa->height > LCD_HEIGHT)
aa->height = LCD_HEIGHT;
if (swap_for_rtl)
aa->x = LCD_WIDTH - (aa->x + aa->width);
aa->state = WPS_ALBUMART_LOAD;
wps_data->albumart = aa;
dimensions.width = aa->width;
dimensions.height = aa->height;
albumart_slot = playback_claim_aa_slot(&dimensions);
if (0 <= albumart_slot)
wps_data->playback_aa_slot = albumart_slot;
if (element->params_count > 4 && !isdefault(&element->params[4]))
{
switch (*element->params[4].data.text)
{
case 'l':
case 'L':
if (swap_for_rtl)
aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
else
aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
break;
case 'c':
case 'C':
aa->xalign = WPS_ALBUMART_ALIGN_CENTER;
break;
case 'r':
case 'R':
if (swap_for_rtl)
aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
else
aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
break;
}
}
if (element->params_count > 5 && !isdefault(&element->params[5]))
{
switch (*element->params[5].data.text)
{
case 't':
case 'T':
aa->yalign = WPS_ALBUMART_ALIGN_TOP;
break;
case 'c':
case 'C':
aa->yalign = WPS_ALBUMART_ALIGN_CENTER;
break;
case 'b':
case 'B':
aa->yalign = WPS_ALBUMART_ALIGN_BOTTOM;
break;
}
}
return 0;
}
#endif /* HAVE_ALBUMART */
#ifdef HAVE_TOUCHSCREEN
struct touchaction {const char* s; int action;};
static const struct touchaction touchactions[] = {
/* generic actions, convert to screen actions on use */
{"prev", ACTION_STD_PREV }, {"next", ACTION_STD_NEXT },
{"rwd", ACTION_STD_PREVREPEAT }, {"ffwd", ACTION_STD_NEXTREPEAT },
{"hotkey", ACTION_STD_HOTKEY}, {"select", ACTION_STD_OK },
{"menu", ACTION_STD_MENU }, {"cancel", ACTION_STD_CANCEL },
{"contextmenu", ACTION_STD_CONTEXT},{"quickscreen", ACTION_STD_QUICKSCREEN },
/* not really WPS specific, but no equivilant ACTION_STD_* */
{"voldown", ACTION_WPS_VOLDOWN}, {"volup", ACTION_WPS_VOLUP},
/* WPS specific actions */
{"browse", ACTION_WPS_BROWSE },
{"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
{"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
{"pitch", ACTION_WPS_PITCHSCREEN}, {"playlist", ACTION_WPS_VIEW_PLAYLIST },
#if CONFIG_TUNER
/* FM screen actions */
/* Also allow browse, play, stop from WPS codes */
{"mode", ACTION_FM_MODE }, {"record", ACTION_FM_RECORD },
{"presets", ACTION_FM_PRESET},
#endif
};
static int parse_touchregion(struct skin_element *element,
struct wps_token *token,
struct wps_data *wps_data)
{
(void)token;
unsigned i, imax;
struct touchregion *region = NULL;
const char *action;
const char pb_string[] = "progressbar";
const char vol_string[] = "volume";
char temp[20];
/* format: %T(x,y,width,height,action)
* if action starts with & the area must be held to happen
* action is one of:
* play - play/pause playback
* stop - stop playback, exit the wps
* prev - prev track
* next - next track
* ffwd - seek forward
* rwd - seek backwards
* menu - go back to the main menu
* browse - go back to the file/db browser
* shuffle - toggle shuffle mode
* repmode - cycle the repeat mode
* quickscreen - go into the quickscreen
* contextmenu - open the context menu
* playlist - go into the playlist
* pitch - go into the pitchscreen
* volup - increase volume by one step
* voldown - decrease volume by one step
*/
region = (struct touchregion*)skin_buffer_alloc(sizeof(struct touchregion));
if (!region)
return WPS_ERROR_INVALID_PARAM;
/* should probably do some bounds checking here with the viewport... but later */
region->action = ACTION_NONE;
region->x = element->params[0].data.number;
region->y = element->params[1].data.number;
region->width = element->params[2].data.number;
region->height = element->params[3].data.number;
region->wvp = curr_vp;
region->armed = false;
region->reverse_bar = false;
action = element->params[4].data.text;
strcpy(temp, action);
action = temp;
if (*action == '!')
{
region->reverse_bar = true;
action++;
}
if(!strcmp(pb_string, action))
region->type = WPS_TOUCHREGION_SCROLLBAR;
else if(!strcmp(vol_string, action))
region->type = WPS_TOUCHREGION_VOLUME;
else
{
region->type = WPS_TOUCHREGION_ACTION;
if (*action == '&')
{
action++;
region->repeat = true;
}
else
region->repeat = false;
imax = ARRAYLEN(touchactions);
for (i = 0; i < imax; i++)
{
/* try to match with one of our touchregion screens */
if (!strcmp(touchactions[i].s, action))
{
region->action = touchactions[i].action;
break;
}
}
if (region->action == ACTION_NONE)
return WPS_ERROR_INVALID_PARAM;
}
struct skin_token_list *item = new_skin_token_list_item(NULL, region);
if (!item)
return WPS_ERROR_INVALID_PARAM;
add_to_ll_chain(&wps_data->touchregions, item);
return 0;
}
#endif
static bool check_feature_tag(const int type)
{
switch (type)
{
case SKIN_TOKEN_RTC_PRESENT:
#if CONFIG_RTC
return true;
#else
return false;
#endif
case SKIN_TOKEN_HAVE_RECORDING:
#ifdef HAVE_RECORDING
return true;
#else
return false;
#endif
case SKIN_TOKEN_HAVE_TUNER:
#if CONFIG_TUNER
if (radio_hardware_present())
return true;
#endif
return false;
#if CONFIG_TUNER
case SKIN_TOKEN_HAVE_RDS:
#ifdef HAVE_RDS_CAP
return true;
#else
return false;
#endif /* HAVE_RDS_CAP */
#endif /* CONFIG_TUNER */
default: /* not a tag we care about, just don't skip */
return true;
}
}
/*
* initial setup of wps_data; does reset everything
* except fields which need to survive, i.e.
*
**/
static void skin_data_reset(struct wps_data *wps_data)
{
wps_data->tree = NULL;
#ifdef HAVE_LCD_BITMAP
wps_data->images = NULL;
wps_data->progressbars = NULL;
#endif
#if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
wps_data->backdrop = NULL;
#endif
#ifdef HAVE_TOUCHSCREEN
wps_data->touchregions = NULL;
#endif
#ifdef HAVE_ALBUMART
wps_data->albumart = NULL;
if (wps_data->playback_aa_slot >= 0)
{
playback_release_aa_slot(wps_data->playback_aa_slot);
wps_data->playback_aa_slot = -1;
}
#endif
#ifdef HAVE_LCD_BITMAP
wps_data->peak_meter_enabled = false;
wps_data->wps_sb_tag = false;
wps_data->show_sb_on_wps = false;
#else /* HAVE_LCD_CHARCELLS */
/* progress bars */
int i;
for (i = 0; i < 8; i++)
{
wps_data->wps_progress_pat[i] = 0;
}
wps_data->full_line_progressbar = false;
#endif
wps_data->wps_loaded = false;
}
#ifdef HAVE_LCD_BITMAP
static bool load_skin_bmp(struct wps_data *wps_data, struct bitmap *bitmap, char* bmpdir)
{
(void)wps_data; /* only needed for remote targets */
char img_path[MAX_PATH];
int fd;
get_image_filename(bitmap->data, bmpdir,
img_path, sizeof(img_path));
/* load the image */
int format;
#ifdef HAVE_REMOTE_LCD
if (curr_screen == SCREEN_REMOTE)
format = FORMAT_ANY|FORMAT_REMOTE;
else
#endif
format = FORMAT_ANY|FORMAT_TRANSPARENT;
fd = open(img_path, O_RDONLY);
if (fd < 0)
return false;
size_t buf_size = read_bmp_file(img_path, bitmap, 0,
format|FORMAT_RETURN_SIZE, NULL);
char* imgbuf = (char*)skin_buffer_alloc(buf_size);
if (!imgbuf)
{
close(fd);
return NULL;
}
lseek(fd, 0, SEEK_SET);
bitmap->data = imgbuf;
int ret = read_bmp_fd(fd, bitmap, buf_size, format, NULL);
close(fd);
if (ret > 0)
{
return true;
}
else
{
/* Abort if we can't load an image */
DEBUGF("Couldn't load '%s'\n", img_path);
return false;
}
}
static bool load_skin_bitmaps(struct wps_data *wps_data, char *bmpdir)
{
struct skin_token_list *list;
bool retval = true; /* return false if a single image failed to load */
/* do the progressbars */
list = wps_data->progressbars;
while (list)
{
struct progressbar *pb = (struct progressbar*)list->token->value.data;
if (pb->bm.data)
{
pb->have_bitmap_pb = load_skin_bmp(wps_data, &pb->bm, bmpdir);
if (!pb->have_bitmap_pb) /* no success */
retval = false;
}
list = list->next;
}
/* regular images */
list = wps_data->images;
while (list)
{
struct gui_img *img = (struct gui_img*)list->token->value.data;
if (img->bm.data)
{
img->loaded = load_skin_bmp(wps_data, &img->bm, bmpdir);
if (img->loaded)
img->subimage_height = img->bm.height / img->num_subimages;
else
retval = false;
}
list = list->next;
}
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
/* Backdrop load scheme:
* 1) %X|filename|
* 2) load the backdrop from settings
*/
if (wps_data->backdrop)
{
if (screens[curr_screen].depth == 1)
{
wps_data->backdrop = NULL;
return retval;
}
bool needed = wps_data->backdrop[0] != '-';
wps_data->backdrop = skin_backdrop_load(wps_data->backdrop,
bmpdir, curr_screen);
if (!wps_data->backdrop && needed)
retval = false;
}
#endif /* has backdrop support */
return retval;
}
static bool skin_load_fonts(struct wps_data *data)
{
/* don't spit out after the first failue to aid debugging */
bool success = true;
struct skin_element *vp_list;
int font_id;
/* walk though each viewport and assign its font */
for(vp_list = data->tree; vp_list; vp_list = vp_list->next)
{
/* first, find the viewports that have a non-sys/ui-font font */
struct skin_viewport *skin_vp =
(struct skin_viewport*)vp_list->data;
struct viewport *vp = &skin_vp->vp;
if (vp->font <= FONT_UI)
{ /* the usual case -> built-in fonts */
#ifdef HAVE_REMOTE_LCD
if (vp->font == FONT_UI)
vp->font += curr_screen;
#endif
continue;
}
font_id = vp->font;
/* now find the corresponding skin_font */
struct skin_font *font = &skinfonts[font_id-FONT_FIRSTUSERFONT];
if (!font->name)
{
if (success)
{
DEBUGF("font %d not specified\n", font_id);
}
success = false;
continue;
}
/* load the font - will handle loading the same font again if
* multiple viewports use the same */
if (font->id < 0)
{
char *dot = strchr(font->name, '.');
*dot = '\0';
font->id = skin_font_load(font->name);
}
if (font->id < 0)
{
DEBUGF("Unable to load font %d: '%s.fnt'\n",
font_id, font->name);
font->name = NULL; /* to stop trying to load it again if we fail */
success = false;
font->name = NULL;
continue;
}
/* finally, assign the font_id to the viewport */
vp->font = font->id;
}
return success;
}
#endif /* HAVE_LCD_BITMAP */
static int convert_viewport(struct wps_data *data, struct skin_element* element)
{
struct skin_viewport *skin_vp =
(struct skin_viewport *)skin_buffer_alloc(sizeof(struct skin_viewport));
struct screen *display = &screens[curr_screen];
if (!skin_vp)
return CALLBACK_ERROR;
skin_vp->hidden_flags = 0;
skin_vp->label = NULL;
skin_vp->is_infovp = false;
element->data = skin_vp;
curr_vp = skin_vp;
curr_viewport_element = element;
viewport_set_defaults(&skin_vp->vp, curr_screen);
#ifdef HAVE_REMOTE_LCD
/* viewport_set_defaults() sets the font to FONT_UI+curr_screen.
* This parser requires font 1 to always be the UI font,
* so force it back to FONT_UI and handle the screen number at the end */
skin_vp->vp.font = FONT_UI;
#endif
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
skin_vp->start_fgcolour = skin_vp->vp.fg_pattern;
skin_vp->start_bgcolour = skin_vp->vp.bg_pattern;
#endif
struct skin_tag_parameter *param = element->params;
if (element->params_count == 0) /* default viewport */
{
if (!data->tree) /* first viewport in the skin */
data->tree = element;
skin_vp->label = VP_DEFAULT_LABEL;
return CALLBACK_OK;
}
if (element->params_count == 6)
{
if (element->tag->type == SKIN_TOKEN_UIVIEWPORT_LOAD)
{
skin_vp->is_infovp = true;
if (isdefault(param))
{
skin_vp->hidden_flags = VP_NEVER_VISIBLE;
skin_vp->label = VP_DEFAULT_LABEL;
}
else
{
skin_vp->hidden_flags = VP_NEVER_VISIBLE;
skin_vp->label = param->data.text;
}
}
else
{
skin_vp->hidden_flags = VP_DRAW_HIDEABLE|VP_DRAW_HIDDEN;
skin_vp->label = param->data.text;
}
param++;
}
/* x */
if (!isdefault(param))
{
skin_vp->vp.x = param->data.number;
if (param->data.number < 0)
skin_vp->vp.x += display->lcdwidth;
}
param++;
/* y */
if (!isdefault(param))
{
skin_vp->vp.y = param->data.number;
if (param->data.number < 0)
skin_vp->vp.y += display->lcdheight;
}
param++;
/* width */
if (!isdefault(param))
{
skin_vp->vp.width = param->data.number;
if (param->data.number < 0)
skin_vp->vp.width = (skin_vp->vp.width + display->lcdwidth) - skin_vp->vp.x;
}
else
{
skin_vp->vp.width = display->lcdwidth - skin_vp->vp.x;
}
param++;
/* height */
if (!isdefault(param))
{
skin_vp->vp.height = param->data.number;
if (param->data.number < 0)
skin_vp->vp.height = (skin_vp->vp.height + display->lcdheight) - skin_vp->vp.y;
}
else
{
skin_vp->vp.height = display->lcdheight - skin_vp->vp.y;
}
param++;
#ifdef HAVE_LCD_BITMAP
/* font */
if (!isdefault(param))
{
skin_vp->vp.font = param->data.number;
}
#endif
return CALLBACK_OK;
}
static int skin_element_callback(struct skin_element* element, void* data)
{
struct wps_data *wps_data = (struct wps_data *)data;
struct wps_token *token;
parse_function function = NULL;
switch (element->type)
{
/* IMPORTANT: element params are shared, so copy them if needed
* or use then NOW, dont presume they have a long lifespan
*/
case TAG:
{
token = (struct wps_token*)skin_buffer_alloc(sizeof(struct wps_token));
memset(token, 0, sizeof(*token));
token->type = element->tag->type;
if ((element->tag->flags&SKIN_REFRESH_ALL) == SKIN_RTC_REFRESH)
{
#ifdef CONFIG_RTC
curr_line->update_mode |= SKIN_REFRESH_DYNAMIC;
#else
curr_line->update_mode |= SKIN_REFRESH_STATIC;
#endif
}
else
curr_line->update_mode |= element->tag->flags&SKIN_REFRESH_ALL;
element->data = token;
/* Some tags need special handling for the tag, so add them here */
switch (token->type)
{
case SKIN_TOKEN_ALIGN_LANGDIRECTION:
follow_lang_direction = 2;
break;
case SKIN_TOKEN_PROGRESSBAR:
case SKIN_TOKEN_VOLUME:
case SKIN_TOKEN_BATTERY_PERCENT:
case SKIN_TOKEN_PLAYER_PROGRESSBAR:
function = parse_progressbar_tag;
break;
case SKIN_TOKEN_SUBLINE_TIMEOUT:
case SKIN_TOKEN_BUTTON_VOLUME:
case SKIN_TOKEN_TRACK_STARTING:
case SKIN_TOKEN_TRACK_ENDING:
case SKIN_TOKEN_LASTTOUCH:
function = parse_timeout_tag;
break;
#ifdef HAVE_LCD_BITMAP
case SKIN_TOKEN_DISABLE_THEME:
case SKIN_TOKEN_ENABLE_THEME:
case SKIN_TOKEN_DRAW_INBUILTBAR:
function = parse_statusbar_tags;
break;
#endif
case SKIN_TOKEN_FILE_DIRECTORY:
token->value.i = element->params[0].data.number;
break;
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
case SKIN_TOKEN_VIEWPORT_FGCOLOUR:
case SKIN_TOKEN_VIEWPORT_BGCOLOUR:
function = parse_viewportcolour;
break;
case SKIN_TOKEN_IMAGE_BACKDROP:
function = parse_image_special;
break;
#endif
case SKIN_TOKEN_TRANSLATEDSTRING:
case SKIN_TOKEN_SETTING:
function = parse_setting_and_lang;
break;
#ifdef HAVE_LCD_BITMAP
case SKIN_TOKEN_VIEWPORT_CUSTOMLIST:
function = parse_playlistview;
break;
case SKIN_TOKEN_LOAD_FONT:
function = parse_font_load;
break;
case SKIN_TOKEN_VIEWPORT_ENABLE:
case SKIN_TOKEN_UIVIEWPORT_ENABLE:
token->value.data = element->params[0].data.text;
break;
case SKIN_TOKEN_IMAGE_PRELOAD_DISPLAY:
function = parse_image_display;
break;
case SKIN_TOKEN_IMAGE_PRELOAD:
case SKIN_TOKEN_IMAGE_DISPLAY:
function = parse_image_load;
break;
#endif
#ifdef HAVE_TOUCHSCREEN
case SKIN_TOKEN_TOUCHREGION:
function = parse_touchregion;
break;
#endif
#ifdef HAVE_ALBUMART
case SKIN_TOKEN_ALBUMART_DISPLAY:
if (wps_data->albumart)
wps_data->albumart->vp = &curr_vp->vp;
break;
case SKIN_TOKEN_ALBUMART_LOAD:
function = parse_albumart_load;
break;
#endif
default:
break;
}
if (function)
{
if (function(element, token, wps_data) < 0)
return CALLBACK_ERROR;
}
/* tags that start with 'F', 'I' or 'D' are for the next file */
if ( *(element->tag->name) == 'I' || *(element->tag->name) == 'F' ||
*(element->tag->name) == 'D')
token->next = true;
if (follow_lang_direction > 0 )
follow_lang_direction--;
break;
}
case VIEWPORT:
return convert_viewport(wps_data, element);
case LINE:
{
struct line *line =
(struct line *)skin_buffer_alloc(sizeof(struct line));
line->update_mode = SKIN_REFRESH_STATIC;
line->timeout = DEFAULT_SUBLINE_TIME_MULTIPLIER * TIMEOUT_UNIT;
curr_line = line;
element->data = line;
}
break;
case LINE_ALTERNATOR:
{
struct line_alternator *alternator =
(struct line_alternator *)skin_buffer_alloc(sizeof(struct line_alternator));
alternator->current_line = 0;
#ifndef __PCTOOL__
alternator->last_change_tick = current_tick;
#endif
element->data = alternator;
}
break;
case CONDITIONAL:
{
struct conditional *conditional =
(struct conditional *)skin_buffer_alloc(sizeof(struct conditional));
conditional->last_value = -1;
conditional->token = element->data;
element->data = conditional;
if (!check_feature_tag(element->tag->type))
{
return FEATURE_NOT_AVAILABLE;
}
return CALLBACK_OK;
}
case TEXT:
curr_line->update_mode |= SKIN_REFRESH_STATIC;
break;
default:
break;
}
return CALLBACK_OK;
}
/* to setup up the wps-data from a format-buffer (isfile = false)
from a (wps-)file (isfile = true)*/
bool skin_data_load(enum screen_type screen, struct wps_data *wps_data,
const char *buf, bool isfile)
{
char *wps_buffer = NULL;
if (!wps_data || !buf)
return false;
#ifdef HAVE_ALBUMART
int status;
struct mp3entry *curtrack;
long offset;
struct skin_albumart old_aa = {.state = WPS_ALBUMART_NONE};
if (wps_data->albumart)
{
old_aa.state = wps_data->albumart->state;
old_aa.height = wps_data->albumart->height;
old_aa.width = wps_data->albumart->width;
}
#endif
#ifdef HAVE_LCD_BITMAP
int i;
for (i=0;i<MAXUSERFONTS;i++)
{
skinfonts[i].id = -1;
skinfonts[i].name = NULL;
}
#endif
#ifdef DEBUG_SKIN_ENGINE
if (isfile && debug_wps)
{
DEBUGF("\n=====================\nLoading '%s'\n=====================\n", buf);
}
#endif
skin_data_reset(wps_data);
wps_data->wps_loaded = false;
curr_screen = screen;
curr_line = NULL;
curr_vp = NULL;
curr_viewport_element = NULL;
if (isfile)
{
int fd = open_utf8(buf, O_RDONLY);
if (fd < 0)
return false;
/* get buffer space from the plugin buffer */
size_t buffersize = 0;
wps_buffer = (char *)plugin_get_buffer(&buffersize);
if (!wps_buffer)
return false;
/* copy the file's content to the buffer for parsing,
ensuring that every line ends with a newline char. */
unsigned int start = 0;
while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
{
start += strlen(wps_buffer + start);
if (start < buffersize - 1)
{
wps_buffer[start++] = '\n';
wps_buffer[start] = 0;
}
}
close(fd);
if (start <= 0)
return false;
}
else
{
wps_buffer = (char*)buf;
}
#if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
wps_data->backdrop = "-";
#endif
/* parse the skin source */
skin_buffer_save_position();
wps_data->tree = skin_parse(wps_buffer, skin_element_callback, wps_data);
if (!wps_data->tree) {
skin_data_reset(wps_data);
skin_buffer_restore_position();
return false;
}
#ifdef HAVE_LCD_BITMAP
char bmpdir[MAX_PATH];
if (isfile)
{
/* get the bitmap dir */
char *dot = strrchr(buf, '.');
strlcpy(bmpdir, buf, dot - buf + 1);
}
else
{ /* fall back to backdrop dir for built-in themes */
/* no get_user_file_path(), assuming we ship bmps for built-in themes */
snprintf(bmpdir, MAX_PATH, "%s", BACKDROP_DIR);
}
/* load the bitmaps that were found by the parsing */
if (!load_skin_bitmaps(wps_data, bmpdir) ||
!skin_load_fonts(wps_data))
{
skin_data_reset(wps_data);
skin_buffer_restore_position();
return false;
}
#endif
#if defined(HAVE_ALBUMART) && !defined(__PCTOOL__)
status = audio_status();
if (status & AUDIO_STATUS_PLAY)
{
struct skin_albumart *aa = wps_data->albumart;
if (aa && ((aa->state && !old_aa.state) ||
(aa->state &&
(((old_aa.height != aa->height) ||
(old_aa.width != aa->width))))))
{
curtrack = audio_current_track();
offset = curtrack->offset;
audio_stop();
if (!(status & AUDIO_STATUS_PAUSE))
audio_play(offset);
}
}
#endif
wps_data->wps_loaded = true;
#ifdef DEBUG_SKIN_ENGINE
// if (isfile && debug_wps)
// debug_skin_usage();
#endif
return true;
}
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