react-native/ReactCommon/fabric/uimanager/FabricUIManager.h

84 lines
3.4 KiB
C++

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* 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 <memory>
#include <folly/dynamic.h>
#include <fabric/core/ShadowNode.h>
#include <fabric/uimanager/ComponentDescriptorRegistry.h>
#include <fabric/uimanager/UIManagerDelegate.h>
namespace facebook {
namespace react {
using DispatchEventToEmptyTargetFunction = void (EventHandler eventHandler, std::string type, folly::dynamic payload);
using DispatchEventToTargetFunction = void (EventHandler eventHandler, EventTarget eventTarget, std::string type, folly::dynamic payload);
using ReleaseEventHandlerFunction = void (EventHandler eventHandler);
using ReleaseEventTargetFunction = void (EventTarget eventTarget);
class FabricUIManager {
public:
#pragma mark - Native-facing Interface
FabricUIManager(SharedComponentDescriptorRegistry componentDescriptorRegistry);
~FabricUIManager();
/*
* 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();
#pragma mark - Callback Functions
/*
* Registers callback functions.
*/
void setDispatchEventToEmptyTargetFunction(std::function<DispatchEventToEmptyTargetFunction> dispatchEventFunction);
void setDispatchEventToTargetFunction(std::function<DispatchEventToTargetFunction> dispatchEventFunction);
void setReleaseEventHandlerFunction(std::function<ReleaseEventHandlerFunction> releaseEventHandlerFunction);
void setReleaseEventTargetFunction(std::function<ReleaseEventTargetFunction> releaseEventTargetFunction);
#pragma mark - Native-facing Interface
void dispatchEventToEmptyTarget(const std::string &type, const folly::dynamic &payload) const;
void dispatchEventToTarget(const EventTarget &eventTarget, const std::string &type, const folly::dynamic &payload) const;
void releaseEventTarget(const EventTarget &eventTarget) const;
#pragma mark - JavaScript/React-facing Interface
SharedShadowNode createNode(Tag reactTag, std::string viewName, Tag rootTag, folly::dynamic props, EventTarget eventTarget);
SharedShadowNode cloneNode(const SharedShadowNode &node);
SharedShadowNode cloneNodeWithNewChildren(const SharedShadowNode &node);
SharedShadowNode cloneNodeWithNewProps(const SharedShadowNode &node, folly::dynamic props);
SharedShadowNode cloneNodeWithNewChildrenAndProps(const SharedShadowNode &node, folly::dynamic newProps);
void appendChild(const SharedShadowNode &parentNode, const SharedShadowNode &childNode);
SharedShadowNodeUnsharedList createChildSet(Tag rootTag);
void appendChildToSet(const SharedShadowNodeUnsharedList &childSet, const SharedShadowNode &childNode);
void completeRoot(Tag rootTag, const SharedShadowNodeUnsharedList &childSet);
void registerEventHandler(const EventHandler &eventHandler);
private:
SharedComponentDescriptorRegistry componentDescriptorRegistry_;
UIManagerDelegate *delegate_;
EventHandler eventHandler_;
std::function<DispatchEventToEmptyTargetFunction> dispatchEventToEmptyTargetFunction_;
std::function<DispatchEventToTargetFunction> dispatchEventToTargetFunction_;
std::function<ReleaseEventHandlerFunction> releaseEventHandlerFunction_;
std::function<ReleaseEventTargetFunction> releaseEventTargetFunction_;
};
} // namespace react
} // namespace facebook