Files
UnrealEngine/Engine/Source/Editor/Sequencer/Public/MVVM/TrackRowModelStorageExtension.h
2025-05-18 13:04:45 +08:00

52 lines
1.2 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Containers/Map.h"
#include "HAL/Platform.h"
#include "MVVM/Extensions/DynamicExtensionContainer.h"
#include "MVVM/ViewModelTypeID.h"
#include "Templates/SharedPointer.h"
#include "Templates/Tuple.h"
#include "UObject/ObjectKey.h"
class UMovieSceneTrack;
namespace UE
{
namespace Sequencer
{
class FSequenceModel;
class FTrackRowModel;
class FViewModel;
class SEQUENCER_API FTrackRowModelStorageExtension
: public IDynamicExtension
{
public:
UE_SEQUENCER_DECLARE_VIEW_MODEL_TYPE_ID(FTrackRowModelStorageExtension)
FTrackRowModelStorageExtension();
virtual void OnCreated(TSharedRef<FViewModel> InWeakOwner) override;
virtual void OnReinitialize() override;
TSharedPtr<FTrackRowModel> CreateModelForTrackRow(UMovieSceneTrack* InTrack, int32 InRowIndex, TSharedPtr<FViewModel> DesiredParent = nullptr);
TSharedPtr<FTrackRowModel> FindModelForTrackRow(UMovieSceneTrack* InTrack, int32 InRowIndex) const;
private:
using KeyType = TTuple<FObjectKey, int32>;
TMap<KeyType, TWeakPtr<FTrackRowModel>> TrackToModel;
FSequenceModel* OwnerModel;
};
} // namespace Sequencer
} // namespace UE