jiuyiUniapp/service/node_modules/react-native/ReactCommon/react/renderer/mounting/MountingOverrideDelegate.h

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2025-02-13 09:59:20 +08:00
/*
* 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.
*/
#include <react/renderer/mounting/MountingTransaction.h>
#pragma once
namespace facebook::react {
class MountingCoordinator;
/**
* Generic interface for anything that needs to override specific
* MountingCoordinator methods. This is for platform-specific escape hatches
* like animations.
*/
class MountingOverrideDelegate {
public:
virtual bool shouldOverridePullTransaction() const = 0;
virtual ~MountingOverrideDelegate() = default;
/**
* Delegates that override this method are responsible for:
*
* - Returning a MountingTransaction with mutations
* - Calling
* - Telemetry, if appropriate
*
* @param surfaceId the Id of the surface to be mounted
* @param number of the transaction
* @param telemetry object associated with the transaction
* @param mutations list of the mutations from the ShadowTree
* @return the mounting transaction, if it was created
*/
virtual std::optional<MountingTransaction> pullTransaction(
SurfaceId surfaceId,
MountingTransaction::Number number,
const TransactionTelemetry& telemetry,
ShadowViewMutationList mutations) const = 0;
};
} // namespace facebook::react