119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
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/*
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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 <mutex>
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#include <react/components/root/RootComponentDescriptor.h>
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#include <react/config/ReactNativeConfig.h>
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#include <react/core/ComponentDescriptor.h>
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#include <react/core/LayoutConstraints.h>
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#include <react/uimanager/ComponentDescriptorFactory.h>
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#include <react/uimanager/ComponentDescriptorRegistry.h>
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#include <react/uimanager/SchedulerDelegate.h>
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#include <react/uimanager/SchedulerToolbox.h>
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#include <react/uimanager/UIManagerBinding.h>
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#include <react/uimanager/UIManagerDelegate.h>
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#include <react/utils/ContextContainer.h>
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#include <react/utils/RuntimeExecutor.h>
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namespace facebook {
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namespace react {
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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 : public UIManagerDelegate {
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public:
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Scheduler(SchedulerToolbox schedulerToolbox, SchedulerDelegate *delegate);
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~Scheduler();
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#pragma mark - Surface Management
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void startSurface(
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SurfaceId surfaceId,
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const std::string &moduleName,
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const folly::dynamic &initialProps,
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const LayoutConstraints &layoutConstraints = {},
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const LayoutContext &layoutContext = {}) const;
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void renderTemplateToSurface(
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SurfaceId surfaceId,
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const std::string &uiTemplate);
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void stopSurface(SurfaceId surfaceId) const;
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Size measureSurface(
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SurfaceId surfaceId,
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const LayoutConstraints &layoutConstraints,
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const LayoutContext &layoutContext) const;
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/*
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* Applies given `layoutConstraints` and `layoutContext` to a Surface.
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* The user interface will be relaid out as a result. The operation will be
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* performed synchronously (including mounting) if the method is called
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* on the main thread.
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* Can be called from any thread.
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*/
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void constraintSurfaceLayout(
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SurfaceId surfaceId,
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const LayoutConstraints &layoutConstraints,
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const LayoutContext &layoutContext) const;
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/*
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* This is broken. Please do not use.
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* `ComponentDescriptor`s are not designed to be used outside of `UIManager`,
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* there is no any garantees about their lifetime.
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*/
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ComponentDescriptor const *
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findComponentDescriptorByHandle_DO_NOT_USE_THIS_IS_BROKEN(
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ComponentHandle handle) const;
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MountingCoordinator::Shared findMountingCoordinator(
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SurfaceId surfaceId) const;
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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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* If you requesting a ComponentDescriptor and unsure that it's there, you are
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* doing something wrong.
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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(
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MountingCoordinator::Shared const &mountingCoordinator) override;
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void uiManagerDidCreateShadowNode(
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const ShadowNode::Shared &shadowNode) override;
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void uiManagerDidDispatchCommand(
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const ShadowNode::Shared &shadowNode,
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std::string const &commandName,
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folly::dynamic const args) override;
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void uiManagerDidSetJSResponder(
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SurfaceId surfaceId,
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const ShadowNode::Shared &shadowView,
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bool blockNativeResponder) override;
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void uiManagerDidClearJSResponder() override;
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private:
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SchedulerDelegate *delegate_;
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SharedComponentDescriptorRegistry componentDescriptorRegistry_;
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std::unique_ptr<const RootComponentDescriptor> rootComponentDescriptor_;
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RuntimeExecutor runtimeExecutor_;
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std::shared_ptr<UIManager> uiManager_;
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std::shared_ptr<const ReactNativeConfig> reactNativeConfig_;
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EventDispatcher::Shared eventDispatcher_;
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};
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} // namespace react
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} // namespace facebook
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