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df4521e6c4
Summary: We double down on JSI in Fabric. So, practically, JSI is now a hard dependency for Fabric. I hope it's for good. Now `jsi::Runtime` is coupled with scheduling via `EventExecuter`, so we have to make `jsi::Runtime` a part of `EventBeat` to proxy runtime reference to bindgings. Reviewed By: sahrens Differential Revision: D12837225 fbshipit-source-id: 98edc33d6a3358e6c2905f2f03ce0004a9ca0503
58 lines
1.5 KiB
C++
58 lines
1.5 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 <folly/dynamic.h>
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#include <jsi/jsi.h>
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namespace facebook {
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namespace react {
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enum class EventPriority : int {
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SynchronousUnbatched,
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SynchronousBatched,
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AsynchronousUnbatched,
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AsynchronousBatched,
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Sync = SynchronousUnbatched,
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Work = SynchronousBatched,
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Interactive = AsynchronousUnbatched,
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Deferred = AsynchronousBatched
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};
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/*
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* We need this types only to ensure type-safety when we deal with them.
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* Conceptually, they are opaque pointers to some types that derived from those
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* classes.
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*
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* `EventHandler` is managed as a `unique_ptr`, so it must have a *virtual*
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* destructor to allow proper deallocation having only a pointer
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* to the base (`EventHandler`) class.
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*
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* `EventTarget` is managed as a `shared_ptr`, so it does not need to have a
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* virtual destructor because `shared_ptr` stores a pointer to destructor
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* inside.
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*/
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struct EventHandler {
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virtual ~EventHandler() = default;
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};
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using UniqueEventHandler = std::unique_ptr<const EventHandler>;
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struct EventTarget {};
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using SharedEventTarget = std::shared_ptr<const EventTarget>;
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using WeakEventTarget = std::weak_ptr<const EventTarget>;
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using EventPipe = std::function<void(
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jsi::Runtime &runtime,
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const EventTarget *eventTarget,
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const std::string &type,
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const folly::dynamic &payload)>;
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} // namespace react
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} // namespace facebook
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