89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
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/*
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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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#include <react/uimanager/UIManager.h>
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#include <react/uimanager/primitives.h>
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namespace facebook {
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namespace react {
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/*
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* Exposes UIManager to JavaScript realm.
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*/
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class UIManagerBinding : public jsi::HostObject {
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public:
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/*
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* Installs UIManagerBinding into JavaScript runtime if needed.
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* Creates and sets `UIManagerBinding` into the global namespace.
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* In case if the global namespace already has a `UIManagerBinding` installed,
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* returns that.
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* Thread synchronization must be enforced externally.
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*/
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static std::shared_ptr<UIManagerBinding> createAndInstallIfNeeded(
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jsi::Runtime &runtime);
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~UIManagerBinding();
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/*
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* Establish a relationship between `UIManager` and `UIManagerBinding` by
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* setting internal pointers to each other.
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* Must be called on JavaScript thread or during VM destruction.
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*/
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void attach(std::shared_ptr<UIManager> const &uiManager);
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/*
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* Starts React Native Surface with given id, moduleName, and props.
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* Thread synchronization must be enforced externally.
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*/
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void startSurface(
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jsi::Runtime &runtime,
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SurfaceId surfaceId,
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const std::string &moduleName,
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const folly::dynamic &initalProps) const;
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/*
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* Stops React Native Surface with given id.
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* Thread synchronization must be enforced externally.
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*/
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void stopSurface(jsi::Runtime &runtime, SurfaceId surfaceId) const;
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/*
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* Delivers raw event data to JavaScript.
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* Thread synchronization must be enforced externally.
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*/
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void dispatchEvent(
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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 ValueFactory &payloadFactory) const;
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/*
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* Invalidates the binding and underlying UIManager.
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* Allows to save some resources and prevents UIManager's delegate to be
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* called.
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* Calling public methods of this class after calling this method is UB.
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* Can be called on any thread.
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*/
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void invalidate() const;
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/*
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* `jsi::HostObject` specific overloads.
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*/
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jsi::Value get(jsi::Runtime &runtime, const jsi::PropNameID &name) override;
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private:
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std::shared_ptr<UIManager> uiManager_;
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std::unique_ptr<const EventHandler> eventHandler_;
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};
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} // namespace react
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} // namespace facebook
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