jiuyiUniapp/service/node_modules/react-native/ReactCommon/react/renderer/scheduler/SchedulerDelegate.h

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