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html: Split out helper for firing DOM events and swallowing errors.

This commit is contained in:
Michael Drake 2019-12-01 10:11:38 +00:00
parent 12fd5ddd69
commit a2190f91c9
1 changed files with 23 additions and 4 deletions
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27
content/handlers/html/html.c
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@ -77,6 +77,28 @@ static const char *html_types[] = {
"text/html"
};
/**
* Fire an event at the DOM
*
* Helper that swallows DOM errors.
*
* \param[in] event the event to fire at the DOM
* \param[in] target the event target
* \return true on success
*/
static bool fire_dom_event(dom_event *event, dom_node *target)
{
dom_exception exc;
bool result;
exc = dom_event_target_dispatch_event(target, event, &result);
if (exc != DOM_NO_ERR) {
return false;
}
return result;
}
/* Exported interface, see html_internal.h */
bool fire_generic_dom_event(dom_string *type, dom_node *target,
bool bubbles, bool cancelable)
@ -94,10 +116,7 @@ bool fire_generic_dom_event(dom_string *type, dom_node *target,
}
NSLOG(netsurf, INFO, "Dispatching '%*s' against %p",
dom_string_length(type), dom_string_data(type), target);
exc = dom_event_target_dispatch_event(target, evt, &result);
if (exc != DOM_NO_ERR) {
result = false;
}
result = fire_dom_event(evt, target);
dom_event_unref(evt);
return result;
}