static bool nsico_convert(struct content *c)
{
nsico_content *ico = (nsico_content *) c;
struct bmp_image *bmp;
bmp_result res;
union content_msg_data msg_data;
const char *data;
unsigned long size;
char *title;
/* set the ico data */
data = content__get_source_data(c, &size);
/* analyse the ico */
res = ico_analyse(ico->ico, size, (unsigned char *) data);
switch (res) {
case BMP_OK:
break;
case BMP_INSUFFICIENT_MEMORY:
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
case BMP_INSUFFICIENT_DATA:
case BMP_DATA_ERROR:
msg_data.error = messages_get("BadICO");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* Store our content width, height and calculate size */
c->width = ico->ico->width;
c->height = ico->ico->height;
c->size += (ico->ico->width * ico->ico->height * 4) + 16 + 44;
/* set title text */
title = messages_get_buff("ICOTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
/* select largest icon to ensure one can be selected */
bmp = ico_find(ico->ico, 255, 255);
if (bmp == NULL) {
/* return error */
LOG("Failed to select icon");
return false;
}
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}
/**
* Handler for low-level cache events
*
* \param llcache Low-level cache handle
* \param event Event details
* \param pw Pointer to our context
* \return NSERROR_OK on success, appropriate error otherwise
*/
nserror content_llcache_callback(llcache_handle *llcache,
const llcache_event *event, void *pw)
{
struct content *c = pw;
union content_msg_data msg_data;
nserror error = NSERROR_OK;
switch (event->type) {
case LLCACHE_EVENT_HAD_HEADERS:
/* Will never happen: handled in hlcache */
break;
case LLCACHE_EVENT_HAD_DATA:
if (c->handler->process_data != NULL) {
if (c->handler->process_data(c,
(const char *) event->data.data.buf,
event->data.data.len) == false) {
llcache_handle_abort(c->llcache);
c->status = CONTENT_STATUS_ERROR;
/** \todo It's not clear what error this is */
error = NSERROR_NOMEM;
}
}
break;
case LLCACHE_EVENT_DONE:
{
size_t source_size;
(void) llcache_handle_get_source_data(llcache, &source_size);
content_set_status(c, messages_get("Processing"));
msg_data.explicit_status_text = NULL;
content_broadcast(c, CONTENT_MSG_STATUS, msg_data);
content_convert(c);
}
break;
case LLCACHE_EVENT_ERROR:
/** \todo Error page? */
c->status = CONTENT_STATUS_ERROR;
msg_data.error = event->data.msg;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
break;
case LLCACHE_EVENT_PROGRESS:
content_set_status(c, event->data.msg);
msg_data.explicit_status_text = NULL;
content_broadcast(c, CONTENT_MSG_STATUS, msg_data);
break;
case LLCACHE_EVENT_REDIRECT:
msg_data.redirect.from = event->data.redirect.from;
msg_data.redirect.to = event->data.redirect.to;
content_broadcast(c, CONTENT_MSG_REDIRECT, msg_data);
break;
}
return error;
}
static bool nsbmp_convert(struct content *c)
{
nsbmp_content *bmp = (nsbmp_content *) c;
bmp_result res;
union content_msg_data msg_data;
uint32_t swidth;
const char *data;
unsigned long size;
char *title;
/* set the bmp data */
data = content__get_source_data(c, &size);
/* analyse the BMP */
res = bmp_analyse(bmp->bmp, size, (unsigned char *) data);
switch (res) {
case BMP_OK:
break;
case BMP_INSUFFICIENT_MEMORY:
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
case BMP_INSUFFICIENT_DATA:
case BMP_DATA_ERROR:
msg_data.error = messages_get("BadBMP");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* Store our content width and description */
c->width = bmp->bmp->width;
c->height = bmp->bmp->height;
swidth = bmp->bmp->bitmap_callbacks.bitmap_get_bpp(bmp->bmp->bitmap) *
bmp->bmp->width;
c->size += (swidth * bmp->bmp->height) + 16 + 44;
/* set title text */
title = messages_get_buff("BMPTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
/* exit as a success */
bmp->bitmap = bmp->bmp->bitmap;
guit->bitmap->modified(bmp->bitmap);
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}
bool nsico_convert(struct content *c)
{
struct bmp_image *bmp;
bmp_result res;
ico_collection *ico;
union content_msg_data msg_data;
const char *data;
unsigned long size;
char title[100];
/* set the ico data */
ico = c->data.ico.ico;
data = content__get_source_data(c, &size);
/* analyse the ico */
res = ico_analyse(ico, size, (unsigned char *) data);
switch (res) {
case BMP_OK:
break;
case BMP_INSUFFICIENT_MEMORY:
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
case BMP_INSUFFICIENT_DATA:
case BMP_DATA_ERROR:
msg_data.error = messages_get("BadICO");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* Store our content width and description */
c->width = ico->width;
c->height = ico->height;
snprintf(title, sizeof(title), messages_get("ICOTitle"),
c->width, c->height, size);
content__set_title(c, title);
c->size += (ico->width * ico->height * 4) + 16 + 44;
/* exit as a success */
bmp = ico_find(c->data.ico.ico, 255, 255);
assert(bmp);
c->bitmap = bmp->bitmap;
bitmap_modified(c->bitmap);
c->status = CONTENT_STATUS_DONE;
/* Done: update status bar */
content_set_status(c, "");
return true;
}
/**
* Handle notification that a CSS object is done
*
* \param css CSS object
* \param pw Private data
*/
void nscss_content_done(struct content_css_data *css, void *pw)
{
union content_msg_data msg_data;
struct content *c = pw;
uint32_t i;
size_t size;
css_error error;
/* Retrieve the size of this sheet */
error = css_stylesheet_size(css->sheet, &size);
if (error != CSS_OK) {
msg_data.error = "?";
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
content_set_error(c);
return;
}
c->size += size;
/* Add on the size of the imported sheets */
for (i = 0; i < css->import_count; i++) {
if (css->imports[i].c != NULL) {
struct content *import = hlcache_handle_get_content(
css->imports[i].c);
if (import != NULL) {
c->size += import->size;
}
}
}
/* Finally, catch the content's users up with reality */
content_set_ready(c);
content_set_done(c);
}
static struct bitmap *amiga_dt_picture_cache_convert(struct content *c)
{
NSLOG(netsurf, INFO, "amiga_dt_picture_cache_convert");
union content_msg_data msg_data;
UBYTE *bm_buffer;
Object *dto;
struct bitmap *bitmap;
struct amiga_dt_picture_content *adt = (struct amiga_dt_picture_content *)c;
if((dto = amiga_dt_picture_newdtobject(adt)))
{
bitmap = amiga_bitmap_create(c->width, c->height, BITMAP_NEW);
if (!bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, &msg_data);
return NULL;
}
bm_buffer = amiga_bitmap_get_buffer(bitmap);
IDoMethod(dto, PDTM_READPIXELARRAY,
bm_buffer, PBPAFMT_RGBA,
amiga_bitmap_get_rowstride(bitmap),
0, 0, c->width, c->height);
amiga_bitmap_set_opaque(bitmap, amiga_bitmap_test_opaque(bitmap));
DisposeDTObject(dto);
adt->dto = NULL;
}
else return NULL;
return bitmap;
}
/* Exported function documented in search.h */
void search_step(struct search_context *context, search_flags_t flags,
const char *string)
{
int string_len;
int i = 0;
if (context == NULL) {
warn_user("SearchError", 0);
return;
}
guit->search->add_recent(string, context->gui_p);
string_len = strlen(string);
for (i = 0; i < string_len; i++)
if (string[i] != '#' && string[i] != '*')
break;
if (i >= string_len) {
union content_msg_data msg_data;
free_matches(context);
guit->search->status(true, context->gui_p);
guit->search->back_state(false, context->gui_p);
guit->search->forward_state(false, context->gui_p);
msg_data.scroll.area = false;
msg_data.scroll.x0 = 0;
msg_data.scroll.y0 = 0;
content_broadcast(context->c, CONTENT_MSG_SCROLL, msg_data);
return;
}
search_text(string, string_len, context, flags);
}
/**
* Initialise a CSS content
*
* \param c Content to initialise
* \param params Content-Type parameters
* \return true on success, false on failure
*/
nserror nscss_create(const content_handler *handler,
lwc_string *imime_type, const http_parameter *params,
llcache_handle *llcache, const char *fallback_charset,
bool quirks, struct content **c)
{
nscss_content *result;
const char *charset = NULL;
const char *xnsbase = NULL;
lwc_string *charset_value = NULL;
union content_msg_data msg_data;
nserror error;
result = calloc(1, sizeof(nscss_content));
if (result == NULL)
return NSERROR_NOMEM;
error = content__init(&result->base, handler, imime_type,
params, llcache, fallback_charset, quirks);
if (error != NSERROR_OK) {
free(result);
return error;
}
/* Find charset specified on HTTP layer, if any */
error = http_parameter_list_find_item(params, css_charset,
&charset_value);
if (error != NSERROR_OK || lwc_string_length(charset_value) == 0) {
/* No charset specified, use fallback, if any */
/** \todo libcss will take this as gospel, which is wrong */
charset = fallback_charset;
} else {
charset = lwc_string_data(charset_value);
}
/* Compute base URL for stylesheet */
xnsbase = llcache_handle_get_header(llcache, "X-NS-Base");
if (xnsbase == NULL) {
xnsbase = nsurl_access(content_get_url(&result->base));
}
error = nscss_create_css_data(&result->data,
xnsbase, charset, result->base.quirks,
nscss_content_done, result);
if (error != NSERROR_OK) {
msg_data.error = messages_get("NoMemory");
content_broadcast(&result->base, CONTENT_MSG_ERROR, msg_data);
if (charset_value != NULL)
lwc_string_unref(charset_value);
free(result);
return error;
}
if (charset_value != NULL)
lwc_string_unref(charset_value);
*c = (struct content *) result;
return NSERROR_OK;
}
/**
* Convert a CONTENT_JPEG for display.
*/
static bool nsjpeg_convert(struct content *c)
{
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
jmp_buf setjmp_buffer;
struct jpeg_source_mgr source_mgr = { 0, 0,
nsjpeg_init_source, nsjpeg_fill_input_buffer,
nsjpeg_skip_input_data, jpeg_resync_to_restart,
nsjpeg_term_source };
union content_msg_data msg_data;
const char *data;
unsigned long size;
char title[100];
/* check image header is valid and get width/height */
data = content__get_source_data(c, &size);
cinfo.err = jpeg_std_error(&jerr);
jerr.error_exit = nsjpeg_error_exit;
jerr.output_message = nsjpeg_error_log;
if (setjmp(setjmp_buffer)) {
jpeg_destroy_decompress(&cinfo);
msg_data.error = nsjpeg_error_buffer;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
jpeg_create_decompress(&cinfo);
cinfo.client_data = &setjmp_buffer;
source_mgr.next_input_byte = (unsigned char *) data;
source_mgr.bytes_in_buffer = size;
cinfo.src = &source_mgr;
jpeg_read_header(&cinfo, TRUE);
cinfo.out_color_space = JCS_RGB;
cinfo.dct_method = JDCT_ISLOW;
jpeg_calc_output_dimensions(&cinfo);
c->width = cinfo.output_width;
c->height = cinfo.output_height;
c->size = c->width * c->height * 4;
jpeg_destroy_decompress(&cinfo);
image_cache_add(c, NULL, jpeg_cache_convert);
snprintf(title, sizeof(title), messages_get("JPEGTitle"),
c->width, c->height, size);
content__set_title(c, title);
content_set_ready(c);
content_set_done(c);
content_set_status(c, ""); /* Done: update status bar */
return true;
}
bool sprite_convert(struct content *c)
{
os_error *error;
int w, h;
union content_msg_data msg_data;
const char *source_data;
unsigned long source_size;
const void *sprite_data;
char title[100];
source_data = content__get_source_data(c, &source_size);
sprite_data = source_data - 4;
osspriteop_area *area = (osspriteop_area*) sprite_data;
c->data.sprite.data = area;
/* check for bad data */
if ((int)source_size + 4 != area->used) {
msg_data.error = messages_get("BadSprite");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
error = xosspriteop_read_sprite_info(osspriteop_PTR,
(osspriteop_area *)0x100,
(osspriteop_id) ((char *) area + area->first),
&w, &h, NULL, NULL);
if (error) {
LOG(("xosspriteop_read_sprite_info: 0x%x: %s",
error->errnum, error->errmess));
msg_data.error = error->errmess;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
c->width = w;
c->height = h;
snprintf(title, sizeof(title), messages_get("SpriteTitle"), c->width,
c->height, source_size);
content__set_title(c, title);
c->status = CONTENT_STATUS_DONE;
/* Done: update status bar */
content_set_status(c, "");
return true;
}
void content_set_done(struct content *c)
{
union content_msg_data msg_data;
c->status = CONTENT_STATUS_DONE;
c->time = wallclock() - c->time;
content_update_status(c);
content_broadcast(c, CONTENT_MSG_DONE, msg_data);
}
static nserror nspng_create_png_data(nspng_content *png_c)
{
union content_msg_data msg_data;
png_c->bitmap = NULL;
png_c->png = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
if (png_c->png == NULL) {
msg_data.error = messages_get("NoMemory");
content_broadcast(&png_c->base, CONTENT_MSG_ERROR, msg_data);
warn_user("NoMemory", 0);
return NSERROR_NOMEM;
}
png_set_error_fn(png_c->png, NULL, nspng_error, nspng_warning);
png_c->info = png_create_info_struct(png_c->png);
if (png_c->info == NULL) {
png_destroy_read_struct(&png_c->png, &png_c->info, 0);
msg_data.error = messages_get("NoMemory");
content_broadcast(&png_c->base, CONTENT_MSG_ERROR, msg_data);
warn_user("NoMemory", 0);
return NSERROR_NOMEM;
}
if (setjmp(png_jmpbuf(png_c->png))) {
png_destroy_read_struct(&png_c->png, &png_c->info, 0);
LOG(("Failed to set callbacks"));
png_c->png = NULL;
png_c->info = NULL;
msg_data.error = messages_get("PNGError");
content_broadcast(&png_c->base, CONTENT_MSG_ERROR, msg_data);
return NSERROR_NOMEM;
}
png_set_progressive_read_fn(png_c->png, png_c,
info_callback, row_callback, end_callback);
return NSERROR_OK;
}
static bool nspng_process_data(struct content *c, const char *data,
unsigned int size)
{
nspng_content *png_c = (nspng_content *)c;
union content_msg_data msg_data;
volatile bool ret = true;
if (png_c->no_process_data) {
return ret;
}
switch (setjmp(png_jmpbuf(png_c->png))) {
case CBERR_NONE: /* direct return */
png_process_data(png_c->png, png_c->info, (uint8_t *)data, size);
break;
case CBERR_NOPRE: /* not going to progressive convert */
png_c->no_process_data = true;
break;
default: /* fatal error from library processing png */
if (png_c->bitmap != NULL) {
/* A bitmap managed to get created so
* operation is past header and possibly some
* conversion happened before faliure.
*
* In this case keep the partial
* conversion. This is usually seen if a png
* has been truncated (often jsut lost its
* last byte and hence end of image marker)
*/
png_c->no_process_data = true;
} else {
/* not managed to progress past header, clean
* up png conversion and signal the content
* error
*/
LOG(("Fatal PNG error during header, error content"));
png_destroy_read_struct(&png_c->png, &png_c->info, 0);
png_c->png = NULL;
png_c->info = NULL;
msg_data.error = messages_get("PNGError");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
ret = false;
}
break;
}
return ret;
}
bool nsico_create(struct content *c, const struct http_parameter *params)
{
union content_msg_data msg_data;
c->data.ico.ico = calloc(sizeof(ico_collection), 1);
if (!c->data.ico.ico) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
ico_collection_create(c->data.ico.ico, &bmp_bitmap_callbacks);
return true;
}
void content_set_ready(struct content *c)
{
union content_msg_data msg_data;
/* The content must be locked at this point, as it can only
* become READY after conversion. */
assert(c->locked);
c->locked = false;
c->status = CONTENT_STATUS_READY;
content_update_status(c);
content_broadcast(c, CONTENT_MSG_READY, msg_data);
}
static nserror nsbmp_create_bmp_data(nsbmp_content *bmp)
{
union content_msg_data msg_data;
bmp_bitmap_callback_vt bmp_bitmap_callbacks = {
.bitmap_create = nsbmp_bitmap_create,
.bitmap_destroy = guit->bitmap->destroy,
.bitmap_get_buffer = guit->bitmap->get_buffer,
.bitmap_get_bpp = guit->bitmap->get_bpp
};
bmp->bmp = calloc(sizeof(struct bmp_image), 1);
if (bmp->bmp == NULL) {
msg_data.error = messages_get("NoMemory");
content_broadcast(&bmp->base, CONTENT_MSG_ERROR, msg_data);
return NSERROR_NOMEM;
}
bmp_create(bmp->bmp, &bmp_bitmap_callbacks);
return NSERROR_OK;
}
static nserror nsbmp_create(const content_handler *handler,
lwc_string *imime_type, const struct http_parameter *params,
llcache_handle *llcache, const char *fallback_charset,
bool quirks, struct content **c)
{
nsbmp_content *bmp;
nserror error;
bmp = calloc(1, sizeof(nsbmp_content));
if (bmp == NULL)
return NSERROR_NOMEM;
error = content__init(&bmp->base, handler, imime_type, params,
llcache, fallback_charset, quirks);
if (error != NSERROR_OK) {
free(bmp);
return error;
}
error = nsbmp_create_bmp_data(bmp);
if (error != NSERROR_OK) {
free(bmp);
return error;
}
*c = (struct content *) bmp;
return NSERROR_OK;
}
/**
* Process CSS source data
*
* \param c Content structure
* \param data Data to process
* \param size Number of bytes to process
* \return true on success, false on failure
*/
bool nscss_process_data(struct content *c, const char *data, unsigned int size)
{
nscss_content *css = (nscss_content *) c;
union content_msg_data msg_data;
css_error error;
error = nscss_process_css_data(&css->data, data, size);
if (error != CSS_OK && error != CSS_NEEDDATA) {
msg_data.error = "?";
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
}
return (error == CSS_OK || error == CSS_NEEDDATA);
}
static nserror nsgif_create_gif_data(nsgif_content *c)
{
union content_msg_data msg_data;
/* Initialise our data structure */
c->gif = calloc(sizeof(gif_animation), 1);
if (c->gif == NULL) {
msg_data.error = messages_get("NoMemory");
content_broadcast(&c->base, CONTENT_MSG_ERROR, msg_data);
return NSERROR_NOMEM;
}
gif_create(c->gif, &gif_bitmap_callbacks);
return NSERROR_OK;
}
/**
* Convert a CSS content ready for use
*
* \param c Content to convert
* \return true on success, false on failure
*/
bool nscss_convert(struct content *c)
{
nscss_content *css = (nscss_content *) c;
union content_msg_data msg_data;
css_error error;
error = nscss_convert_css_data(&css->data);
if (error != CSS_OK) {
msg_data.error = "?";
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
return true;
}
bool content__add_rfc5988_link(struct content *c,
const struct content_rfc5988_link *link)
{
struct content_rfc5988_link *newlink;
union content_msg_data msg_data;
/* a link relation must be present for it to be a link */
if (link->rel == NULL) {
return false;
}
/* a link href must be present for it to be a link */
if (link->href == NULL) {
return false;
}
newlink = calloc(1, sizeof(struct content_rfc5988_link));
if (newlink == NULL) {
return false;
}
/* copy values */
newlink->rel = lwc_string_ref(link->rel);
newlink->href = nsurl_ref(link->href);
if (link->hreflang != NULL) {
newlink->hreflang = lwc_string_ref(link->hreflang);
}
if (link->type != NULL) {
newlink->type = lwc_string_ref(link->type);
}
if (link->media != NULL) {
newlink->media = lwc_string_ref(link->media);
}
if (link->sizes != NULL) {
newlink->sizes = lwc_string_ref(link->sizes);
}
/* add to metadata link to list */
newlink->next = c->links;
c->links = newlink;
/* broadcast the data */
msg_data.rfc5988_link = newlink;
content_broadcast(c, CONTENT_MSG_LINK, msg_data);
return true;
}
void content_mouse_track(hlcache_handle *h, struct browser_window *bw,
browser_mouse_state mouse, int x, int y)
{
struct content *c = hlcache_handle_get_content(h);
assert(c != NULL);
if (c->handler->mouse_track != NULL) {
c->handler->mouse_track(c, bw, mouse, x, y);
} else {
union content_msg_data msg_data;
msg_data.pointer = BROWSER_POINTER_AUTO;
content_broadcast(c, CONTENT_MSG_POINTER, msg_data);
}
return;
}
static bool rsvg_process_data(struct content *c, const char *data,
unsigned int size)
{
rsvg_content *d = (rsvg_content *) c;
union content_msg_data msg_data;
GError *err = NULL;
if (rsvg_handle_write(d->rsvgh, (const guchar *)data, (gsize)size,
&err) == FALSE) {
LOG(("rsvg_handle_write returned an error: %s", err->message));
msg_data.error = err->message;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
return true;
}
bool draw_convert(struct content *c)
{
union content_msg_data msg_data;
const char *source_data;
unsigned long source_size;
const void *data;
os_box bbox;
os_error *error;
char title[100];
source_data = content__get_source_data(c, &source_size);
data = source_data;
/* BBox contents in Draw units (256*OS unit) */
error = xdrawfile_bbox(0, (drawfile_diagram *) data,
(int) source_size, 0, &bbox);
if (error) {
LOG(("xdrawfile_bbox: 0x%x: %s",
error->errnum, error->errmess));
msg_data.error = error->errmess;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
if (bbox.x1 > bbox.x0 && bbox.y1 > bbox.y0) {
/* c->width & c->height stored as (OS units/2)
=> divide by 512 to convert from draw units */
c->width = ((bbox.x1 - bbox.x0) / 512);
c->height = ((bbox.y1 - bbox.y0) / 512);
}
else
/* invalid/undefined bounding box */
c->height = c->width = 0;
c->data.draw.x0 = bbox.x0;
c->data.draw.y0 = bbox.y0;
snprintf(title, sizeof(title), messages_get("DrawTitle"), c->width,
c->height, source_size);
content__set_title(c, title);
c->status = CONTENT_STATUS_DONE;
/* Done: update status bar */
content_set_status(c, "");
return true;
}
static nserror rsvg_create_svg_data(rsvg_content *c)
{
union content_msg_data msg_data;
c->rsvgh = NULL;
c->cs = NULL;
c->ct = NULL;
c->bitmap = NULL;
if ((c->rsvgh = rsvg_handle_new()) == NULL) {
LOG(("rsvg_handle_new() returned NULL."));
msg_data.error = messages_get("NoMemory");
content_broadcast(&c->base, CONTENT_MSG_ERROR, msg_data);
return NSERROR_NOMEM;
}
return NSERROR_OK;
}
static nserror svg_create_svg_data(svg_content *c)
{
union content_msg_data msg_data;
c->diagram = svgtiny_create();
if (c->diagram == NULL)
goto no_memory;
c->current_width = INT_MAX;
c->current_height = INT_MAX;
return NSERROR_OK;
no_memory:
msg_data.error = messages_get("NoMemory");
content_broadcast(&c->base, CONTENT_MSG_ERROR, msg_data);
return NSERROR_NOMEM;
}
static struct bitmap *amiga_dt_picture_cache_convert(struct content *c)
{
LOG(("amiga_dt_picture_cache_convert"));
union content_msg_data msg_data;
const uint8 *data;
UBYTE *bm_buffer;
ULONG size;
Object *dto;
struct bitmap *bitmap;
unsigned int bm_flags = BITMAP_NEW;
int bm_format = PBPAFMT_RGBA;
/* This is only relevant for picture datatypes... */
data = (uint8 *)content__get_source_data(c, &size);
if(dto = NewDTObject(NULL,
DTA_SourceType, DTST_MEMORY,
DTA_SourceAddress, data,
DTA_SourceSize, size,
DTA_GroupID, GID_PICTURE,
PDTA_DestMode, PMODE_V43,
TAG_DONE))
{
bitmap = bitmap_create(c->width, c->height, bm_flags);
if (!bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return NULL;
}
bm_buffer = bitmap_get_buffer(bitmap);
IDoMethod(dto, PDTM_READPIXELARRAY,
bm_buffer, bm_format, bitmap_get_rowstride(bitmap),
0, 0, c->width, c->height);
DisposeDTObject(dto);
}
else return NULL;
return bitmap;
}
static struct bitmap *amiga_dt_picture_cache_convert(struct content *c)
{
LOG(("amiga_dt_picture_cache_convert"));
union content_msg_data msg_data;
UBYTE *bm_buffer;
Object *dto;
struct bitmap *bitmap;
unsigned int bm_flags = BITMAP_NEW;
#ifdef __amigaos4__
int bm_format = PBPAFMT_RGBA;
#else
int bm_format = PBPAFMT_ARGB;
#endif
struct amiga_dt_picture_content *adt = (struct amiga_dt_picture_content *)c;
if(dto = amiga_dt_picture_newdtobject(adt))
{
bitmap = bitmap_create(c->width, c->height, bm_flags);
if (!bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return NULL;
}
bm_buffer = bitmap_get_buffer(bitmap);
IDoMethod(dto, PDTM_READPIXELARRAY,
bm_buffer, bm_format, bitmap_get_rowstride(bitmap),
0, 0, c->width, c->height);
#ifndef __amigaos4__
ami_bitmap_argb_to_rgba(bitmap);
#endif
bitmap_set_opaque(bitmap, bitmap_test_opaque(bitmap));
DisposeDTObject(dto);
adt->dto = NULL;
}
else return NULL;
return bitmap;
}
void content__reformat(struct content *c, bool background,
int width, int height)
{
union content_msg_data data;
assert(c != 0);
assert(c->status == CONTENT_STATUS_READY ||
c->status == CONTENT_STATUS_DONE);
assert(c->locked == false);
c->available_width = width;
if (c->handler->reformat != NULL) {
c->locked = true;
c->handler->reformat(c, width, height);
c->locked = false;
data.background = background;
content_broadcast(c, CONTENT_MSG_REFORMAT, data);
}
}
static dom_hubbub_error
exec_inline_script(html_content *c, dom_node *node, dom_string *mimetype)
{
union content_msg_data msg_data;
dom_string *script;
dom_exception exc; /* returned by libdom functions */
struct lwc_string_s *lwcmimetype;
script_handler_t *script_handler;
struct html_script *nscript;
/* does not appear to be a src so script is inline content */
exc = dom_node_get_text_content(node, &script);
if ((exc != DOM_NO_ERR) || (script == NULL)) {
return DOM_HUBBUB_OK; /* no contents, skip */
}
nscript = html_process_new_script(c, mimetype, HTML_SCRIPT_INLINE);
if (nscript == NULL) {
dom_string_unref(script);
msg_data.error = messages_get("NoMemory");
content_broadcast(&c->base, CONTENT_MSG_ERROR, msg_data);
return DOM_HUBBUB_NOMEM;
}
nscript->data.string = script;
nscript->already_started = true;
/* ensure script handler for content type */
dom_string_intern(mimetype, &lwcmimetype);
script_handler = select_script_handler(content_factory_type_from_mime_type(lwcmimetype));
lwc_string_unref(lwcmimetype);
if (script_handler != NULL) {
script_handler(c->jscontext,
dom_string_data(script),
dom_string_byte_length(script));
}
return DOM_HUBBUB_OK;
}
/**
* process script node parser callback
*
*
*/
dom_hubbub_error
html_process_script(void *ctx, dom_node *node)
{
html_content *c = (html_content *)ctx;
dom_exception exc; /* returned by libdom functions */
dom_string *src, *mimetype;
dom_hubbub_error err = DOM_HUBBUB_OK;
/* ensure javascript context is available */
if (c->jscontext == NULL) {
union content_msg_data msg_data;
msg_data.jscontext = &c->jscontext;
content_broadcast(&c->base, CONTENT_MSG_GETCTX, msg_data);
LOG(("javascript context %p ", c->jscontext));
if (c->jscontext == NULL) {
/* no context and it could not be created, abort */
return DOM_HUBBUB_OK;
}
}
LOG(("content %p parser %p node %p", c, c->parser, node));
exc = dom_element_get_attribute(node, corestring_dom_type, &mimetype);
if (exc != DOM_NO_ERR || mimetype == NULL) {
mimetype = dom_string_ref(corestring_dom_text_javascript);
}
exc = dom_element_get_attribute(node, corestring_dom_src, &src);
if (exc != DOM_NO_ERR || src == NULL) {
err = exec_inline_script(c, node, mimetype);
} else {
err = exec_src_script(c, node, mimetype, src);
dom_string_unref(src);
}
dom_string_unref(mimetype);
return err;
}
