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5b5ece7980
Summary: changelog: [internal] The experiment isn't shipping. Reviewed By: JoshuaGross Differential Revision: D30303379 fbshipit-source-id: 80b89d3738c1640f6abefcad161f95397c88ee04
66 lines
1.9 KiB
C++
66 lines
1.9 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 <react/renderer/core/BatchedEventQueue.h>
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#include <react/renderer/core/EventBeat.h>
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#include <react/renderer/core/EventPriority.h>
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#include <react/renderer/core/EventQueueProcessor.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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struct 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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EventQueueProcessor eventProcessor,
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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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