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0756ef15b9
* Multicast delegate Add* calls now return FDelegateHandles, and Remove* calls are now all deprecated, except for a new Remove function which takes a FDelegateHandle. * New FConsoleManager::RegisterConsoleVariableSink_Handle and UnregisterConsoleVariableSink_Handle functions which work in terms of FConsoleVariableSinkHandle. * Timer calls which don't take FTimerHandles are deprecated. * FTicker::AddTicker now returns an FDelegateHandle and is removed by an overloaded Remove function. * DEFINE_ONLINE_DELEGATE* macros now define _Handle variants of the Add/Remove functions which return/take handles. * Various other handle-based registration changes. * Some unity build fixes. * Some simplification of delegate code. * Fixes for lots of existing code to use handle-based registration and unregistration. #codereview robert.manuszewski [CL 2400883 by Steve Robb in Main branch]
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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/**
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* Implements a class which locates devices based on criteria for use in the Launcher.
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*/
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class FTargetDeviceProxyManager
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: public ITargetDeviceProxyManager
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{
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public:
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/** Default constructor. */
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FTargetDeviceProxyManager();
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/** Destructor. */
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virtual ~FTargetDeviceProxyManager();
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public:
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// ITargetDeviceProxyLocator interface
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virtual ITargetDeviceProxyRef FindOrAddProxy(const FString& Name) override;
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virtual ITargetDeviceProxyPtr FindProxy(const FString& Name) override;
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virtual ITargetDeviceProxyPtr FindProxyDeviceForTargetDevice(const FString& DeviceId) override;
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virtual void GetProxies(FName TargetPlatformName, bool IncludeUnshared, TArray<ITargetDeviceProxyPtr>& OutProxies) override;
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DECLARE_DERIVED_EVENT(FTargetDeviceProxyManager, ITargetDeviceProxyManager::FOnTargetDeviceProxyAdded, FOnTargetDeviceProxyAdded);
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virtual FOnTargetDeviceProxyAdded& OnProxyAdded() override
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{
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return ProxyAddedDelegate;
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}
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DECLARE_DERIVED_EVENT(FTargetDeviceProxyManager, ITargetDeviceProxyManager::FOnTargetDeviceProxyRemoved, FOnTargetDeviceProxyRemoved);
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virtual FOnTargetDeviceProxyRemoved& OnProxyRemoved() override
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{
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return ProxyRemovedDelegate;
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}
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protected:
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/** Removes all target device proxies that timed out. */
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void RemoveDeadProxies();
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/** Pings all target devices on the network. */
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void SendPing();
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private:
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/** Handles FTargetDeviceServicePong messages. */
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void HandlePongMessage(const FTargetDeviceServicePong& Message, const IMessageContextRef& Context);
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/** Handles ticks from the ticker. */
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bool HandleTicker(float DeltaTime);
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private:
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/** Holds the message endpoint. */
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FMessageEndpointPtr MessageEndpoint;
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/** Holds the collection of proxies. */
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TMap<FString, FTargetDeviceProxyPtr> Proxies;
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private:
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/** Holds a delegate that is invoked when a target device proxy has been added. */
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FOnTargetDeviceProxyAdded ProxyAddedDelegate;
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/** Holds a delegate that is invoked when a target device proxy has been removed. */
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FOnTargetDeviceProxyRemoved ProxyRemovedDelegate;
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/** Holds a delegate to be invoked when the widget ticks. */
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FTickerDelegate TickDelegate;
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/** Handle to the registered TickDelegate. */
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FDelegateHandle TickDelegateHandle;
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};
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