LiveLinkProvider.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/Array.h"
#include "Containers/UnrealString.h"
#include "CoreMinimal.h"
#include "CoreTypes.h"
#include "Delegates/Delegate.h"
#include "HAL/PlatformCrt.h"
#include "LiveLinkRole.h"
#include "LiveLinkTypes.h"
#include "Math/Transform.h"
#include "MessageEndpointBuilder.h"
#include "Templates/SharedPointer.h"
#include "Templates/SubclassOf.h"
#include "Templates/UnrealTemplate.h"
#include "UObject/NameTypes.h"
 
class ULiveLinkRole;
 
DECLARE_MULTICAST_DELEGATE(FLiveLinkProviderConnectionStatusChanged);
 
struct ILiveLinkProvider
{
public:
    LIVELINKMESSAGEBUSFRAMEWORK_API static TSharedPtr<ILiveLinkProvider> CreateLiveLinkProvider(const FString& ProviderName);
 
    template<typename T>
    static TSharedPtr<ILiveLinkProvider> CreateLiveLinkProvider(const FString& ProviderName,
                                                                struct FMessageEndpointBuilder&& EndpointBuilder)
    {
        return MakeShared<T>(ProviderName, MoveTemp(EndpointBuilder));
    }
 
    virtual ~ILiveLinkProvider() {}
 
    virtual bool UpdateSubjectStaticData(const FName SubjectName, TSubclassOf<ULiveLinkRole> Role, FLiveLinkStaticDataStruct&& StaticData, const TMap<FName, FString>& ExtraAnnotations = {}) = 0;
 
    virtual void RemoveSubject(const FName SubjectName) = 0;
 
    virtual bool UpdateSubjectFrameData(const FName SubjectName, FLiveLinkFrameDataStruct&& FrameData, const TMap<FName, FString>& ExtraAnnotations = {}) = 0;
 
    virtual bool HasConnection() const = 0;
 
    virtual FDelegateHandle RegisterConnStatusChangedHandle(const FLiveLinkProviderConnectionStatusChanged::FDelegate& ConnStatusChanged) = 0;
 
    virtual void UnregisterConnStatusChangedHandle(FDelegateHandle Handle) = 0;
};