mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Samuel Susla
6468c0a658
Summary: Changelog: [internal] Prevent unnecessary copy of `RawEvent::eventTarget` which is `shared_ptr` inside `EventQueue::enqueueEvent` by passing in rvalue. Reviewed By: JoshuaGross Differential Revision: D28323219 fbshipit-source-id: 7f62e17df5c4264a15adf58f6142155a76de7aae
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <array>
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#include <memory>
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#include <react/renderer/core/BatchedEventQueue.h>
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#include <react/renderer/core/EventBeat.h>
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#include <react/renderer/core/EventPipe.h>
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#include <react/renderer/core/EventPriority.h>
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#include <react/renderer/core/StatePipe.h>
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#include <react/renderer/core/StateUpdate.h>
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#include <react/renderer/core/UnbatchedEventQueue.h>
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namespace facebook {
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namespace react {
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class RawEvent;
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/*
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* Represents event-delivery infrastructure.
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* Particular `EventEmitter` clases use this for sending events.
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*/
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class EventDispatcher {
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public:
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using Shared = std::shared_ptr<EventDispatcher const>;
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using Weak = std::weak_ptr<EventDispatcher const>;
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EventDispatcher(
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EventPipe const &eventPipe,
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StatePipe const &statePipe,
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EventBeat::Factory const &synchonousEventBeatFactory,
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EventBeat::Factory const &asynchonousEventBeatFactory,
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EventBeat::SharedOwnerBox const &ownerBox);
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/*
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* Dispatches a raw event with given priority using event-delivery pipe.
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*/
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void dispatchEvent(RawEvent &&rawEvent, EventPriority priority) const;
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/*
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* Dispatches a raw event with asynchronous batched priority. Before the
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* dispatch we make sure that no other RawEvent of same type and same target
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* is on the queue.
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*/
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void dispatchUniqueEvent(RawEvent &&rawEvent) const;
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/*
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* Dispatches a state update with given priority.
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*/
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void dispatchStateUpdate(StateUpdate &&stateUpdate, EventPriority priority)
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const;
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private:
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EventQueue const &getEventQueue(EventPriority priority) const;
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std::unique_ptr<UnbatchedEventQueue> synchronousUnbatchedQueue_;
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std::unique_ptr<BatchedEventQueue> synchronousBatchedQueue_;
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std::unique_ptr<UnbatchedEventQueue> asynchronousUnbatchedQueue_;
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std::unique_ptr<BatchedEventQueue> asynchronousBatchedQueue_;
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};
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} // namespace react
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} // namespace facebook
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