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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DOM_EVENTS_EVENT_TARGET_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_EVENTS_EVENT_TARGET_IMPL_H_
#include "third_party/blink/renderer/core/dom/events/event_target.h"
#include "third_party/blink/renderer/core/execution_context/context_lifecycle_observer.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
class ScriptState;
namespace blink {
// Constructible version of EventTarget. Calls to EventTarget
// constructor in JavaScript will return an instance of this class.
// We don't use EventTarget directly because EventTarget is an abstract
// class and and making it non-abstract is unfavorable because it will
// increase the size of EventTarget and all of its subclasses with code
// that are mostly unnecessary for them, resulting in a performance
// decrease.
class CORE_EXPORT EventTargetImpl final : public EventTargetWithInlineData,
public ContextLifecycleObserver {
USING_GARBAGE_COLLECTED_MIXIN(EventTargetImpl);
public:
explicit EventTargetImpl(ScriptState*);
~EventTargetImpl() override = default;
const AtomicString& InterfaceName() const override;
ExecutionContext* GetExecutionContext() const override;
void Trace(Visitor*) override;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_EVENTS_EVENT_TARGET_IMPL_H_