/* attempt defer and async script execution
*
* execute scripts using algorithm found in:
* http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#the-script-element
*
*/
bool html_scripts_exec(html_content *c)
{
unsigned int i;
struct html_script *s;
script_handler_t *script_handler;
if (c->jscontext == NULL)
return false;
for (i = 0, s = c->scripts; i != c->scripts_count; i++, s++) {
if (s->already_started) {
continue;
}
if ((s->type == HTML_SCRIPT_ASYNC) ||
(s->type == HTML_SCRIPT_DEFER)) {
/* ensure script content is present */
if (s->data.handle == NULL)
continue;
/* ensure script content fetch status is not an error */
if (content_get_status(s->data.handle) ==
CONTENT_STATUS_ERROR)
continue;
/* ensure script handler for content type */
script_handler = select_script_handler(
content_get_type(s->data.handle));
if (script_handler == NULL)
continue; /* unsupported type */
if (content_get_status(s->data.handle) ==
CONTENT_STATUS_DONE) {
/* external script is now available */
const char *data;
unsigned long size;
data = content_get_source_data(
s->data.handle, &size );
script_handler(c->jscontext, data, size);
s->already_started = true;
}
}
}
return true;
}
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;
}
//Kommunikation
void command(uint8_t *buf) {
uint8_t m_comand = buf[0];
struct rgb rgb_color;
struct hsv hsv_color;
switch (m_comand) {
case mpxl_cmd_off:
led_off();
break;
case mpxl_cmd_on:
led_on();
break;
case mpxl_cmd_setRGB:
rgb_color.Red = buf[1];
rgb_color.Green = buf[2];
rgb_color.Blue = buf[3];
set_led_color(&rgb_color);
break;
case mpxl_cmd_setHSV:
hsv_color.hsv[0] = buf[1];
hsv_color.hsv[1] = buf[2];
hsv_color.saturation = buf[3];
hsv_color.value = buf[4];
hsv2rgb(&hsv_color,&rgb_color);
set_led_color(&rgb_color);
break;
case mpxl_cmd_fade:
rgb_color.Red = buf[1];
rgb_color.Green = buf[2];
rgb_color.Blue = buf[3];
rgb_fade_int(rgb_color, buf[4]);
case mpxl_cmd_script:
script_handler(buf);
break;
}
}
/**
* Callback for syncronous scripts
*/
static nserror
convert_script_sync_cb(hlcache_handle *script,
const hlcache_event *event,
void *pw)
{
html_content *parent = pw;
unsigned int i;
struct html_script *s;
script_handler_t *script_handler;
dom_hubbub_error err;
/* Find script */
for (i = 0, s = parent->scripts; i != parent->scripts_count; i++, s++) {
if (s->type == HTML_SCRIPT_SYNC && s->data.handle == script)
break;
}
assert(i != parent->scripts_count);
switch (event->type) {
case CONTENT_MSG_LOADING:
break;
case CONTENT_MSG_READY:
break;
case CONTENT_MSG_DONE:
LOG(("script %d done '%s'", i,
nsurl_access(hlcache_handle_get_url(script))));
parent->base.active--;
LOG(("%d fetches active", parent->base.active));
s->already_started = true;
/* attempt to execute script */
script_handler = select_script_handler(content_get_type(s->data.handle));
if (script_handler != NULL) {
/* script has a handler */
const char *data;
unsigned long size;
data = content_get_source_data(s->data.handle, &size );
script_handler(parent->jscontext, data, size);
}
/* continue parse */
err = dom_hubbub_parser_pause(parent->parser, false);
if (err != DOM_HUBBUB_OK) {
LOG(("unpause returned 0x%x", err));
}
break;
case CONTENT_MSG_ERROR:
LOG(("script %s failed: %s",
nsurl_access(hlcache_handle_get_url(script)),
event->data.error));
hlcache_handle_release(script);
s->data.handle = NULL;
parent->base.active--;
LOG(("%d fetches active", parent->base.active));
content_add_error(&parent->base, "?", 0);
s->already_started = true;
/* continue parse */
err = dom_hubbub_parser_pause(parent->parser, false);
if (err != DOM_HUBBUB_OK) {
LOG(("unpause returned 0x%x", err));
}
break;
case CONTENT_MSG_STATUS:
break;
default:
assert(0);
}
/* if there are no active fetches remaining begin post parse
* conversion
*/
if (html_can_begin_conversion(parent)) {
html_begin_conversion(parent);
}
return NSERROR_OK;
}