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4a8613f40f
Summary: UIManager now can install and uninstall itself calling a functions that are provided as constructor arguments. Reviewed By: mdvacca Differential Revision: D9931329 fbshipit-source-id: b8d2d9925b0e2db0fed44bdf2e185d198fabd5ee
97 lines
3.8 KiB
C++
97 lines
3.8 KiB
C++
/**
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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 <memory>
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#include <folly/dynamic.h>
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#include <fabric/core/ShadowNode.h>
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#include <fabric/uimanager/ComponentDescriptorRegistry.h>
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#include <fabric/uimanager/UIManagerDelegate.h>
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namespace facebook {
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namespace react {
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class FabricUIManager;
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using UIManager = FabricUIManager;
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/*
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* Particular implementations of those functions should capture references to
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* the runtime and ensure proper threading.
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*/
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using UIManagerInstaller = void (UIManager &uiManager);
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using UIManagerUninstaller = void ();
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using DispatchEventToEmptyTargetFunction = void (const EventHandler &eventHandler, const std::string &type, const folly::dynamic &payload);
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using DispatchEventToTargetFunction = void (const EventHandler &eventHandler, const EventTarget &eventTarget, const std::string &type, const folly::dynamic &payload);
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class FabricUIManager {
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public:
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FabricUIManager(std::function<UIManagerInstaller> installer, std::function<UIManagerUninstaller> uninstaller);
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~FabricUIManager();
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#pragma mark - Native-facing Interface
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void setComponentDescriptorRegistry(const SharedComponentDescriptorRegistry &componentDescriptorRegistry);
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/*
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* Sets and gets the UIManager's delegate.
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* The delegate is stored as a raw pointer, so the owner must null
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* the pointer before being destroyed.
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*/
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void setDelegate(UIManagerDelegate *delegate);
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UIManagerDelegate *getDelegate();
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#pragma mark - Callback Functions
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/*
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* Registers callback functions.
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*/
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void setDispatchEventToEmptyTargetFunction(std::function<DispatchEventToEmptyTargetFunction> dispatchEventFunction);
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void setDispatchEventToTargetFunction(std::function<DispatchEventToTargetFunction> dispatchEventFunction);
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#pragma mark - Native-facing Interface
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void dispatchEventToTarget(const EventTarget *eventTarget, const std::string &type, const folly::dynamic &payload) const;
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#pragma mark - JavaScript/React-facing Interface
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/*
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* All those JavaScript-facing methods call be called from any thread.
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* `UIManager` guarantees its own thread-safety, but it does *not* guarantee
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* thread-safety of `ShadowNode`s that it operates on. The caller should
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* enforce logical correctness and thread-safety of the unsealed `ShadowNode`s.
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*/
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SharedShadowNode createNode(Tag reactTag, std::string viewName, Tag rootTag, folly::dynamic props, SharedEventTarget eventTarget) const;
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SharedShadowNode cloneNode(const SharedShadowNode &node) const;
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SharedShadowNode cloneNodeWithNewChildren(const SharedShadowNode &node) const;
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SharedShadowNode cloneNodeWithNewProps(const SharedShadowNode &node, folly::dynamic props) const;
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SharedShadowNode cloneNodeWithNewChildrenAndProps(const SharedShadowNode &node, folly::dynamic newProps) const;
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void appendChild(const SharedShadowNode &parentNode, const SharedShadowNode &childNode) const;
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SharedShadowNodeUnsharedList createChildSet(Tag rootTag) const;
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void appendChildToSet(const SharedShadowNodeUnsharedList &childSet, const SharedShadowNode &childNode) const;
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void completeRoot(Tag rootTag, const SharedShadowNodeUnsharedList &childSet) const;
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void registerEventHandler(UniqueEventHandler eventHandler) const;
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private:
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SharedComponentDescriptorRegistry componentDescriptorRegistry_;
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UIManagerDelegate *delegate_;
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mutable UniqueEventHandler eventHandler_;
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std::function<DispatchEventToEmptyTargetFunction> dispatchEventToEmptyTargetFunction_;
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std::function<DispatchEventToTargetFunction> dispatchEventToTargetFunction_;
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std::function<UIManagerInstaller> installer_;
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std::function<UIManagerUninstaller> uninstaller_;
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};
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} // namespace react
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} // namespace facebook
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