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LibWeb: Implement EventTarget.dispatchEvent

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Used by Web Platform Tests to test events
This commit is contained in:
Luke 2021-05-04 22:38:36 +01:00 • committed by Linus Groh
parent 7f6baf8b17
commit 2cc6b919f7
4 changed files with 23 additions and 0 deletions
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2
Userland/Libraries/LibWeb/CodeGenerators/WrapperGenerator.cpp
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@ -499,6 +499,8 @@ static bool is_wrappable_type(const IDL::Type& type)
return true; return true;
if (type.name.ends_with("Element")) if (type.name.ends_with("Element"))
return true; return true;
if (type.name.ends_with("Event"))
return true;
if (type.name == "ImageData") if (type.name == "ImageData")
return true; return true;
return false; return false;

15
Userland/Libraries/LibWeb/DOM/EventTarget.cpp
View file

@ -5,6 +5,7 @@
*/ */
#include <LibWeb/Bindings/ScriptExecutionContext.h> #include <LibWeb/Bindings/ScriptExecutionContext.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/EventListener.h> #include <LibWeb/DOM/EventListener.h>
#include <LibWeb/DOM/EventTarget.h> #include <LibWeb/DOM/EventTarget.h>
@ -53,4 +54,18 @@ void EventTarget::remove_from_event_listener_list(NonnullRefPtr<EventListener> l
}); });
} }
// https://dom.spec.whatwg.org/#dom-eventtarget-dispatchevent
ExceptionOr<bool> EventTarget::dispatch_event_binding(NonnullRefPtr<Event> event)
{
if (event->dispatched())
return DOM::InvalidStateError::create("The event is already being dispatched.");
if (!event->initialized())
return DOM::InvalidStateError::create("Cannot dispatch an uninitialized event.");
event->set_is_trusted(false);
return dispatch_event(event);
}
} }

3
Userland/Libraries/LibWeb/DOM/EventTarget.h
View file

@ -11,6 +11,7 @@
#include <AK/Noncopyable.h> #include <AK/Noncopyable.h>
#include <AK/Vector.h> #include <AK/Vector.h>
#include <LibJS/Forward.h> #include <LibJS/Forward.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/Forward.h> #include <LibWeb/Forward.h>
namespace Web::DOM { namespace Web::DOM {
@ -31,6 +32,8 @@ public:
void remove_from_event_listener_list(NonnullRefPtr<EventListener>); void remove_from_event_listener_list(NonnullRefPtr<EventListener>);
virtual bool dispatch_event(NonnullRefPtr<Event>) = 0; virtual bool dispatch_event(NonnullRefPtr<Event>) = 0;
ExceptionOr<bool> dispatch_event_binding(NonnullRefPtr<Event>);
virtual JS::Object* create_wrapper(JS::GlobalObject&) = 0; virtual JS::Object* create_wrapper(JS::GlobalObject&) = 0;
Bindings::ScriptExecutionContext* script_execution_context() { return m_script_execution_context; } Bindings::ScriptExecutionContext* script_execution_context() { return m_script_execution_context; }

3
Userland/Libraries/LibWeb/DOM/EventTarget.idl
View file

@ -1,6 +1,9 @@
interface EventTarget { interface EventTarget {
// FIXME: Both of these should take in options
undefined addEventListener(DOMString type, EventListener? callback); undefined addEventListener(DOMString type, EventListener? callback);
undefined removeEventListener(DOMString type, EventListener? callback); undefined removeEventListener(DOMString type, EventListener? callback);
[ImplementedAs=dispatch_event_binding] boolean dispatchEvent(Event event);
}; };