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