58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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 <memory>
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#include <folly/dynamic.h>
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#include <fabric/core/EventDispatcher.h>
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#include <fabric/core/EventPrimitives.h>
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#include <fabric/core/ReactPrimitives.h>
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namespace facebook {
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namespace react {
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class EventHandlers;
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using SharedEventHandlers = std::shared_ptr<const EventHandlers>;
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/*
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* Base class for all particular typed event handlers.
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* Stores `InstanceHandle` identifying a particular component and the pointer
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* to `EventDispatcher` which is responsible for delivering the event.
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*
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* TODO: Reconsider naming of all event-related things.
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*/
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class EventHandlers {
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public:
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EventHandlers(InstanceHandle instanceHandle, SharedEventDispatcher eventDispatcher);
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virtual ~EventHandlers() = default;
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protected:
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/*
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* Initates an event delivery process.
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* Is used by particular subclasses only.
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*/
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void dispatchEvent(
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const std::string &name,
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const folly::dynamic &payload = {},
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const EventPriority &priority = EventPriority::AsynchronousBatched
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) const;
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private:
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InstanceHandle instanceHandle_;
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std::weak_ptr<const EventDispatcher> eventDispatcher_;
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};
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} // namespace react
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} // namespace facebook
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