amis-rpc-design/node_modules/react-native/ReactCommon/react/renderer/uimanager/UIManagerBinding.h
2023-10-07 19:42:30 +08:00

78 lines
2.2 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <folly/dynamic.h>
#include <jsi/jsi.h>
#include <react/renderer/core/RawValue.h>
#include <react/renderer/uimanager/UIManager.h>
#include <react/renderer/uimanager/primitives.h>
namespace facebook::react {
/*
* Exposes UIManager to JavaScript realm.
*/
class UIManagerBinding : public jsi::HostObject {
public:
/*
* Installs UIManagerBinding into JavaScript runtime if needed.
* Creates and sets `UIManagerBinding` into the global namespace.
* Thread synchronization must be enforced externally.
*/
static void createAndInstallIfNeeded(
jsi::Runtime &runtime,
std::shared_ptr<UIManager> const &uiManager);
/*
* Returns a pointer to UIManagerBinding previously installed into a runtime.
* Thread synchronization must be enforced externally.
*/
static std::shared_ptr<UIManagerBinding> getBinding(jsi::Runtime &runtime);
UIManagerBinding(std::shared_ptr<UIManager> uiManager);
~UIManagerBinding();
jsi::Value getInspectorDataForInstance(
jsi::Runtime &runtime,
EventEmitter const &eventEmitter) const;
/*
* Delivers raw event data to JavaScript.
* Thread synchronization must be enforced externally.
*/
void dispatchEvent(
jsi::Runtime &runtime,
EventTarget const *eventTarget,
std::string const &type,
ReactEventPriority priority,
ValueFactory const &payloadFactory) const;
/*
* Invalidates the binding and underlying UIManager.
* Allows to save some resources and prevents UIManager's delegate to be
* called.
* Calling public methods of this class after calling this method is UB.
* Can be called on any thread.
*/
void invalidate() const;
/*
* `jsi::HostObject` specific overloads.
*/
jsi::Value get(jsi::Runtime &runtime, jsi::PropNameID const &name) override;
private:
std::shared_ptr<UIManager> uiManager_;
std::unique_ptr<EventHandler const> eventHandler_;
mutable ReactEventPriority currentEventPriority_;
};
} // namespace facebook::react