MessageSubscription.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "IMessageContext.h"
#include "IMessageSubscription.h"
 
class IMessageReceiver;
 
class FMessageSubscription
    : public IMessageSubscription
{
public:
 
    FMessageSubscription(const TSharedRef<IMessageReceiver, ESPMode::ThreadSafe>& InSubscriber, const FTopLevelAssetPath& InMessageType, const FMessageScopeRange& InScopeRange)
        : Enabled(true)
        , MessageType(InMessageType)
        , ScopeRange(InScopeRange)
        , Subscriber(InSubscriber)
    { }
 
public:
 
    //~ IMessageSubscription interface
 
    virtual void Disable() override
    {
        Enabled = false;
    }
 
    virtual void Enable() override
    {
        Enabled = true;
    }
 
    virtual FTopLevelAssetPath GetMessageTypePathName() override
    {
        return MessageType;
    }
 
    virtual const FMessageScopeRange& GetScopeRange() override
    {
        return ScopeRange;
    }
 
    virtual const TWeakPtr<IMessageReceiver, ESPMode::ThreadSafe>& GetSubscriber() override
    {
        return Subscriber;
    }
 
    virtual bool IsEnabled() override
    {
        return Enabled;
    }
 
private:
 
    bool Enabled;
 
    FTopLevelAssetPath MessageType;
 
    FMessageScopeRange ScopeRange;
 
    TWeakPtr<IMessageReceiver, ESPMode::ThreadSafe> Subscriber;
};