Valentin Shergin 0dae893eec Fabric: Rethinking of EventDispatcher
Summary:
@public
Now, it's not just an abstract class, it's a regular class which unifies event delivery priorities using specific event beats and event pipe.

Reviewed By: mdvacca

Differential Revision: D8886232

fbshipit-source-id: c4360511e5fd477ca7407fc3ebbd99ca578e79cc
2018-08-27 07:32:37 -07:00

49 lines
1.1 KiB
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/EventBeat.h>
#include <fabric/events/EventQueue.h>
#include <fabric/events/primitives.h>
#include <fabric/events/RawEvent.h>
namespace facebook {
namespace react {
class EventDispatcher;
using SharedEventDispatcher = std::shared_ptr<const EventDispatcher>;
/*
* Represents event-delivery infrastructure.
* Particular `EventEmitter` clases use this for sending events.
*/
class EventDispatcher {
public:
EventDispatcher(
const EventPipe &eventPipe,
const EventBeatFactory &synchonousEventBeatFactory,
const EventBeatFactory &asynchonousEventBeatFactory
);
/*
* Dispatches a raw event with given priority using event-delivery pipe.
*/
void dispatchEvent(
const RawEvent &rawEvent,
EventPriority priority
) const;
private:
std::array<std::unique_ptr<EventQueue>, 4> eventQueues_;
};
} // namespace react
} // namespace facebook