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

37 lines
927 B
C++

// Copyright 2004-present Facebook. All Rights Reserved.
#pragma once
#include <memory>
#include <fabric/core/ReactPrimitives.h>
#include <fabric/core/ShadowNode.h>
#include <fabric/uimanager/TreeMutationInstruction.h>
namespace facebook {
namespace react {
/*
* Abstract class for Scheduler's delegate.
*/
class SchedulerDelegate {
public:
virtual ~SchedulerDelegate() = default;
/*
* Called right after Scheduler computed (and laid out) a new updated version
* of the tree and calculated a set of mutation instructions which are
* suffisient to construct a new one.
*/
virtual void schedulerDidComputeMutationInstructions(Tag rootTag, const TreeMutationInstructionList &instructions) = 0;
/*
* Called right after a new ShadowNode was created.
*/
virtual void schedulerDidRequestPreliminaryViewAllocation(ComponentName componentName) = 0;
};
} // namespace react
} // namespace facebook