react-native/ReactCommon/fabric/events/EventDispatcher.h

46 lines
995 B
C++

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <memory>
#include <fabric/events/primitives.h>
#include <folly/dynamic.h>
namespace facebook {
namespace react {
class EventDispatcher;
using SharedEventDispatcher = std::shared_ptr<const EventDispatcher>;
/*
* Abstract class that represent event-delivery infrastructure.
* Particular `EventEmitter` clases use an object of this class to invoke
* events.
*/
class EventDispatcher {
public:
/*
* Dispatches "raw" event using some event-delivery infrastructure.
*/
virtual void dispatchEvent(
const EventTarget &eventTarget,
const std::string &type,
const folly::dynamic &payload,
const EventPriority &priority
) const = 0;
virtual void releaseEventTarget(const EventTarget &eventTarget) const = 0;
};
} // namespace react
} // namespace facebook