71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
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/*
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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 <memory>
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#include <react/renderer/core/ReactPrimitives.h>
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#include <react/renderer/mounting/MountingCoordinator.h>
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#include <react/renderer/mounting/ShadowView.h>
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namespace facebook::react {
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/*
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* Abstract class for Scheduler's delegate.
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*/
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class SchedulerDelegate {
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public:
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/*
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* Called right after Scheduler computed (and laid out) a new updated version
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* of the tree and calculated a set of mutations which are sufficient
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* to construct a new one.
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*/
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virtual void schedulerDidFinishTransaction(
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const std::shared_ptr<const MountingCoordinator>&
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mountingCoordinator) = 0;
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/*
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* Called when the runtime scheduler decides that one-or-more previously
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* finished transactions should now be flushed to the screen (atomically).
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*
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* This is a separate callback from didFinishTransaction as the Android UI
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* mounting layer needs to be able toobserve each created ShadowTree to
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* correctly apply changes, due to changes in Props representation.
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*/
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virtual void schedulerShouldRenderTransactions(
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const std::shared_ptr<const MountingCoordinator>&
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mountingCoordinator) = 0;
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/*
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* Called right after a new ShadowNode was created.
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*/
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virtual void schedulerDidRequestPreliminaryViewAllocation(
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const ShadowNode& shadowNode) = 0;
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virtual void schedulerDidDispatchCommand(
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const ShadowView& shadowView,
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const std::string& commandName,
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const folly::dynamic& args) = 0;
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virtual void schedulerDidSendAccessibilityEvent(
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const ShadowView& shadowView,
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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 schedulerDidSetIsJSResponder(
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const ShadowView& shadowView,
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bool isJSResponder,
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bool blockNativeResponder) = 0;
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virtual ~SchedulerDelegate() noexcept = default;
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};
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} // namespace facebook::react
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