react-native/ReactCommon/fabric/uimanager/SchedulerDelegate.h

45 lines
1.1 KiB
C++

// Copyright (c) Facebook, Inc. and its 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/core/ReactPrimitives.h>
#include <react/core/ShadowNode.h>
#include <react/mounting/ShadowViewMutation.h>
namespace facebook {
namespace 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 suffisient
* to construct a new one.
*/
virtual void schedulerDidFinishTransaction(
Tag rootTag,
const ShadowViewMutationList &mutations) = 0;
/*
* Called right after a new ShadowNode was created.
*/
virtual void schedulerDidRequestPreliminaryViewAllocation(
SurfaceId surfaceId,
ComponentName componentName,
bool isLayoutable,
ComponentHandle componentHandle) = 0;
virtual ~SchedulerDelegate() noexcept = default;
};
} // namespace react
} // namespace facebook