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https://github.com/status-im/react-native.git
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294d91b30a
Summary: @public Now it's clear that we don't need to store/handle ShadowTree objects as `shared_ptr`s; Scheduler should own it. This diff changes that to using unique_ptr and removes a base class of ShadowTree. Reviewed By: mdvacca Differential Revision: D9403567 fbshipit-source-id: 6e411714b632a04233fd5b25c8ab7cdd260105fd
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
// Copyright (c) 2004-present, Facebook, Inc.
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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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#pragma once
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#include <memory>
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#include <fabric/core/ComponentDescriptor.h>
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#include <fabric/core/LayoutConstraints.h>
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#include <fabric/uimanager/ContextContainer.h>
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#include <fabric/uimanager/SchedulerDelegate.h>
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#include <fabric/uimanager/UIManagerDelegate.h>
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#include <fabric/uimanager/ShadowTree.h>
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#include <fabric/uimanager/ShadowTreeDelegate.h>
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namespace facebook {
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namespace react {
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class FabricUIManager;
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/*
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* Scheduler coordinates Shadow Tree updates and event flows.
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*/
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class Scheduler final:
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public UIManagerDelegate,
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public ShadowTreeDelegate {
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public:
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Scheduler(const SharedContextContainer &contextContainer);
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~Scheduler();
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#pragma mark - Shadow Tree Management
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void registerRootTag(Tag rootTag);
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void unregisterRootTag(Tag rootTag);
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Size measure(const Tag &rootTag, const LayoutConstraints &layoutConstraints, const LayoutContext &layoutContext) const;
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void constraintLayout(const Tag &rootTag, const LayoutConstraints &layoutConstraints, const LayoutContext &layoutContext);
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#pragma mark - Delegate
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/*
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* Sets and gets the Scheduler'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(SchedulerDelegate *delegate);
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SchedulerDelegate *getDelegate() const;
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#pragma mark - UIManagerDelegate
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void uiManagerDidFinishTransaction(Tag rootTag, const SharedShadowNodeUnsharedList &rootChildNodes) override;
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void uiManagerDidCreateShadowNode(const SharedShadowNode &shadowNode) override;
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#pragma mark - ShadowTreeDelegate
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void shadowTreeDidCommit(const ShadowTree &shadowTree, const ShadowViewMutationList &mutations) override;
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#pragma mark - Deprecated
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/*
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* UIManager instance must be temporarily exposed for registration purposes.
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*/
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std::shared_ptr<FabricUIManager> getUIManager_DO_NOT_USE();
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private:
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SchedulerDelegate *delegate_;
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std::shared_ptr<FabricUIManager> uiManager_;
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std::unordered_map<Tag, std::unique_ptr<ShadowTree>> shadowTreeRegistry_;
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SharedEventDispatcher eventDispatcher_;
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SharedContextContainer contextContainer_;
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};
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} // namespace react
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} // namespace facebook
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