/**
* Callback for defer scripts
*/
static nserror
convert_script_defer_cb(hlcache_handle *script,
const hlcache_event *event,
void *pw)
{
html_content *parent = pw;
unsigned int i;
struct html_script *s;
/* Find script */
for (i = 0, s = parent->scripts; i != parent->scripts_count; i++, s++) {
if (s->type == HTML_SCRIPT_DEFER && 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));
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);
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;
}
static nserror
html_convert_css_callback(hlcache_handle *css,
const hlcache_event *event,
void *pw)
{
html_content *parent = pw;
unsigned int i;
struct html_stylesheet *s;
/* Find sheet */
for (i = 0, s = parent->stylesheets;
i != parent->stylesheet_count;
i++, s++) {
if (s->sheet == css)
break;
}
assert(i != parent->stylesheet_count);
switch (event->type) {
case CONTENT_MSG_DONE:
LOG("done stylesheet slot %d '%s'", i, nsurl_access(hlcache_handle_get_url(css)));
parent->base.active--;
LOG("%d fetches active", parent->base.active);
break;
case CONTENT_MSG_ERROR:
LOG("stylesheet %s failed: %s", nsurl_access(hlcache_handle_get_url(css)), event->data.error);
hlcache_handle_release(css);
s->sheet = NULL;
parent->base.active--;
LOG("%d fetches active", parent->base.active);
content_add_error(&parent->base, "?", 0);
break;
case CONTENT_MSG_POINTER:
/* Really don't want this to continue after the switch */
return NSERROR_OK;
default:
break;
}
if (html_can_begin_conversion(parent)) {
html_begin_conversion(parent);
}
return NSERROR_OK;
}
/**
* 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;
}
static nserror
html_convert_css_callback(hlcache_handle *css,
const hlcache_event *event,
void *pw)
{
html_content *parent = pw;
unsigned int i;
struct html_stylesheet *s;
/* Find sheet */
for (i = 0, s = parent->stylesheets;
i != parent->stylesheet_count;
i++, s++) {
if (s->sheet == css)
break;
}
assert(i != parent->stylesheet_count);
switch (event->type) {
case CONTENT_MSG_LOADING:
break;
case CONTENT_MSG_READY:
break;
case CONTENT_MSG_DONE:
LOG(("done stylesheet slot %d '%s'", i,
nsurl_access(hlcache_handle_get_url(css))));
parent->base.active--;
LOG(("%d fetches active", parent->base.active));
break;
case CONTENT_MSG_ERROR:
LOG(("stylesheet %s failed: %s",
nsurl_access(hlcache_handle_get_url(css)),
event->data.error));
hlcache_handle_release(css);
s->sheet = NULL;
parent->base.active--;
LOG(("%d fetches active", parent->base.active));
content_add_error(&parent->base, "?", 0);
break;
case CONTENT_MSG_STATUS:
if (event->data.explicit_status_text == NULL) {
/* Object content's status text updated */
html_set_status(parent,
content_get_status_message(css));
content_broadcast(&parent->base, CONTENT_MSG_STATUS,
event->data);
} else {
/* Object content wants to set explicit message */
content_broadcast(&parent->base, CONTENT_MSG_STATUS,
event->data);
}
break;
case CONTENT_MSG_POINTER:
/* Really don't want this to continue after the switch */
return NSERROR_OK;
default:
assert(0);
}
if (html_can_begin_conversion(parent)) {
html_begin_conversion(parent);
}
return NSERROR_OK;
}