94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and 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 <react/renderer/core/ReactPrimitives.h>
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#include <react/renderer/core/ShadowNode.h>
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#include <react/renderer/mounting/MountingCoordinator.h>
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#include <react/renderer/mounting/ShadowTree.h>
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namespace facebook::react {
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/*
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* Abstract class for UIManager's delegate.
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*/
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class UIManagerDelegate {
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public:
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/*
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* Called right after a new/updated Shadow Node tree is constructed.
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* For this moment the tree is already laid out and sealed.
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*/
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virtual void uiManagerDidFinishTransaction(
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std::shared_ptr<const MountingCoordinator> mountingCoordinator,
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bool mountSynchronously) = 0;
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/*
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* Called each time when UIManager constructs a new Shadow Node. Receiver
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* might use this to optimistically allocate a new native view
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* instances.
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*/
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virtual void uiManagerDidCreateShadowNode(const ShadowNode &shadowNode) = 0;
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/*
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* Called when UIManager wants to dispatch a command to the mounting layer.
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*/
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virtual void uiManagerDidDispatchCommand(
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const std::shared_ptr<const ShadowNode> &shadowNode,
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const std::string &commandName,
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const folly::dynamic &args) = 0;
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/*
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* Called when UIManager wants to dispatch some accessibility event
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* to the mounting layer. eventType is platform-specific and not all
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* platforms will necessarily implement the same set of events.
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*/
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virtual void uiManagerDidSendAccessibilityEvent(
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const std::shared_ptr<const ShadowNode> &shadowNode,
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const std::string &eventType) = 0;
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/*
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* Set JS responder for a view.
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*/
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virtual void uiManagerDidSetIsJSResponder(
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const std::shared_ptr<const ShadowNode> &shadowNode,
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bool isJSResponder,
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bool blockNativeResponder) = 0;
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/*
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* Synchronous view update.
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*/
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virtual void uiManagerShouldSynchronouslyUpdateViewOnUIThread(Tag tag, const folly::dynamic &props) = 0;
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/*
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* Called after updateShadowTree is invoked.
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*/
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virtual void uiManagerDidUpdateShadowTree(const std::unordered_map<Tag, folly::dynamic> &tagToProps) = 0;
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/*
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* Add event listener.
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*/
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virtual void uiManagerShouldAddEventListener(std::shared_ptr<const EventListener> listener) = 0;
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/*
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* Remove event listener.
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*/
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virtual void uiManagerShouldRemoveEventListener(const std::shared_ptr<const EventListener> &listener) = 0;
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/*
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* Start surface.
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*/
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virtual void uiManagerDidStartSurface(const ShadowTree &shadowTree) = 0;
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using OnSurfaceStartCallback = std::function<void(const ShadowTree &shadowTree)>;
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virtual void uiManagerShouldSetOnSurfaceStartCallback(OnSurfaceStartCallback &&callback) = 0;
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virtual ~UIManagerDelegate() noexcept = default;
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};
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} // namespace facebook::react
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