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#rb trivial Removed references to UE4 in comments #ROBOMERGE-SOURCE: CL 15796780 in //UE5/Release-5.0-EarlyAccess/... #ROBOMERGE-BOT: STARSHIP (Release-5.0-EarlyAccess -> Main) (v783-15756269) [CL 15797094 by mark lintott in ue5-main branch]
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "IDirectoryWatcher.h"
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#include "Containers/Map.h"
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#include "Containers/Array.h"
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#include "Containers/ArrayView.h"
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#include "Containers/UnrealString.h"
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#include "Delegates/Delegate.h"
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/**
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* Proxy around the real directory watcher.
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* Allows this proxy to process external file-system changes that aren't OS specific.
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*/
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class FDirectoryWatcherProxy : public IDirectoryWatcher
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{
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public:
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FDirectoryWatcherProxy();
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virtual ~FDirectoryWatcherProxy();
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virtual bool RegisterDirectoryChangedCallback_Handle(const FString& Directory, const FDirectoryChanged& InDelegate, FDelegateHandle& OutHandle, uint32 Flags) override;
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virtual bool UnregisterDirectoryChangedCallback_Handle(const FString& Directory, FDelegateHandle InHandle) override;
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virtual void Tick(float DeltaSeconds) override;
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/** Register external changes that the OS file watcher couldn't detect (eg, a file changing in a UE sandbox) */
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void RegisterExternalChanges(TArrayView<const FFileChangeData> FileChanges);
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private:
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/** Register external changes that the OS file watcher couldn't detect (eg, a file changing in a UE sandbox) */
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void RegisterExternalChanges_GameThread(TArrayView<const FFileChangeData> FileChanges);
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/** Process pending external changes that the OS file watcher couldn't detect (eg, a file changing in a UE sandbox) */
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void ProcessPendingChanges();
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/** Individual watch callback */
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struct FWatchCallback
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{
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/** Delegate to call when directory changes happen */
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FDirectoryChanged Delegate;
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/** Delegate handle after registering the internal directory watcher request */
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FDelegateHandle InnerHandle;
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/** Flags specified for this watch (see WatchOptions) */
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uint32 WatchFlags;
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};
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/** Internal directory watcher we act as a proxy for */
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IDirectoryWatcher* Inner;
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/** Array of pending file changes to notify on Tick */
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TArray<FFileChangeData> PendingFileChanges;
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/** Map from absolute directories to watch requests for those directories */
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TMap<FString, TArray<FWatchCallback>> WatchMap;
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/** True if the WatchMap is pending a sort */
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bool bWatchMapPendingSort;
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};
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