GT2/Ejectable/node_modules/react-native/ReactCommon/fabric/uimanager/UIManager.h

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2021-08-16 00:14:59 +00:00
/*
* Copyright (c) Facebook, Inc. and its 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/Optional.h>
#include <folly/dynamic.h>
#include <jsi/jsi.h>
#include <react/core/ShadowNode.h>
#include <react/core/StateData.h>
#include <react/mounting/ShadowTree.h>
#include <react/mounting/ShadowTreeDelegate.h>
#include <react/mounting/ShadowTreeRegistry.h>
#include <react/uimanager/ComponentDescriptorRegistry.h>
#include <react/uimanager/UIManagerDelegate.h>
namespace facebook {
namespace react {
class UIManagerBinding;
class UIManager final : public ShadowTreeDelegate {
public:
~UIManager();
void setComponentDescriptorRegistry(
const SharedComponentDescriptorRegistry &componentDescriptorRegistry);
/*
* Sets and gets the UIManager's delegate.
* The delegate is stored as a raw pointer, so the owner must null
* the pointer before being destroyed.
*/
void setDelegate(UIManagerDelegate *delegate);
UIManagerDelegate *getDelegate();
/*
* Provides access to a UIManagerBindging.
* The `callback` methods will not be called if the internal pointer to
* `UIManagerBindging` is `nullptr`.
* The callback is called synchronously on the same thread.
*/
void visitBinding(
std::function<void(UIManagerBinding const &uiManagerBinding)> callback)
const;
#pragma mark - ShadowTreeDelegate
void shadowTreeDidFinishTransaction(
ShadowTree const &shadowTree,
MountingCoordinator::Shared const &mountingCoordinator) const override;
private:
friend class UIManagerBinding;
friend class Scheduler;
ShadowNode::Shared createNode(
Tag tag,
std::string const &componentName,
SurfaceId surfaceId,
const RawProps &props,
SharedEventTarget eventTarget) const;
ShadowNode::Shared cloneNode(
const ShadowNode::Shared &shadowNode,
const SharedShadowNodeSharedList &children = nullptr,
const RawProps *rawProps = nullptr) const;
void appendChild(
const ShadowNode::Shared &parentShadowNode,
const ShadowNode::Shared &childShadowNode) const;
void completeSurface(
SurfaceId surfaceId,
const SharedShadowNodeUnsharedList &rootChildren) const;
void setNativeProps(ShadowNode const &shadowNode, RawProps const &rawProps)
const;
void setJSResponder(
const ShadowNode::Shared &shadowNode,
const bool blockNativeResponder) const;
void clearJSResponder() const;
ShadowNode::Shared findNodeAtPoint(
ShadowNode::Shared const &shadowNode,
Point point) const;
ShadowNode::Shared const *getNewestCloneOfShadowNode(
ShadowNode::Shared const &shadowNode) const;
/*
* Returns layout metrics of given `shadowNode` relative to
* `ancestorShadowNode` (relative to the root node in case if provided
* `ancestorShadowNode` is nullptr).
*/
LayoutMetrics getRelativeLayoutMetrics(
ShadowNode const &shadowNode,
ShadowNode const *ancestorShadowNode,
LayoutableShadowNode::LayoutInspectingPolicy policy) const;
/*
* Creates a new shadow node with given state data, clones what's necessary
* and performs a commit.
*/
void updateState(StateUpdate const &stateUpdate) const;
void dispatchCommand(
const ShadowNode::Shared &shadowNode,
std::string const &commandName,
folly::dynamic const args) const;
ShadowTreeRegistry const &getShadowTreeRegistry() const;
SharedComponentDescriptorRegistry componentDescriptorRegistry_;
UIManagerDelegate *delegate_;
UIManagerBinding *uiManagerBinding_;
ShadowTreeRegistry shadowTreeRegistry_{};
};
} // namespace react
} // namespace facebook