Delete unused ManagedResourceFile.

Modules/RSCore/Sources/RSCore/ManagedResourceFile.swift

@@ -1,127 +0,0 @@
-//
-//  ManagedResourceFile.swift
-//  RSCore
-//
-//  Created by Maurice Parker on 9/13/19.
-//  Copyright © 2020 Ranchero Software, LLC. All rights reserved.
-//
-
-@preconcurrency import Foundation
-
-public final class ManagedResourceFile: NSObject, NSFilePresenter {
-
-	private var isDirty = false {
-		didSet {
-			queueSaveToDiskIfNeeded()
-		}
-	}
-
-	private var isLoading = false
-	private let fileURL: URL
-	private let operationQueue: OperationQueue
-	private var saveQueue: CoalescingQueue
-
-	private let loadCallback: () -> Void
-	private let saveCallback: () -> Void
-
-	public var saveInterval: TimeInterval = 5.0 {
-		didSet {
-			saveQueue.performCallsImmediately()
-			saveQueue = CoalescingQueue(name: "ManagedResourceFile Save Queue", interval: saveInterval)
-		}
-	}
-
-	public var presentedItemURL: URL? {
-		return fileURL
-	}
-
-	public var presentedItemOperationQueue: OperationQueue {
-		return operationQueue
-	}
-
-	public init(fileURL: URL, load: @escaping () -> Void, save: @escaping () -> Void) {
-
-		self.fileURL = fileURL
-		self.loadCallback = load
-		self.saveCallback = save
-
-		saveQueue = CoalescingQueue(name: "ManagedResourceFile Save Queue", interval: saveInterval)
-		operationQueue = OperationQueue()
-		operationQueue.qualityOfService = .userInteractive
-		operationQueue.maxConcurrentOperationCount = 1
-
-		super.init()
-
-		NSFileCoordinator.addFilePresenter(self)
-	}
-
-	public func presentedItemDidChange() {
-		guard !isDirty else { return }
-		DispatchQueue.main.async {
-			self.load()
-		}
-	}
-
-	public func savePresentedItemChanges(completionHandler: @escaping (Error?) -> Void) {
-		saveIfNecessary()
-		completionHandler(nil)
-	}
-
-	public func relinquishPresentedItem(toReader reader: @escaping ((() -> Void)?) -> Void) {
-		saveQueue.isPaused = true
-		reader {
-			self.saveQueue.isPaused = false
-		}
-	}
-
-	public func relinquishPresentedItem(toWriter writer: @escaping ((() -> Void)?) -> Void) {
-		saveQueue.isPaused = true
-		writer {
-			self.saveQueue.isPaused = false
-		}
-	}
-
-	public func markAsDirty() {
-		if !isLoading {
-			isDirty = true
-		}
-	}
-
-	public func queueSaveToDiskIfNeeded() {
-		saveQueue.add(self, #selector(saveToDiskIfNeeded))
-	}
-
-	public func load() {
-		isLoading = true
-		loadCallback()
-		isLoading = false
-	}
-
-	public func saveIfNecessary() {
-		saveQueue.performCallsImmediately()
-	}
-
-	public func resume() {
-		NSFileCoordinator.addFilePresenter(self)
-	}
-
-	public func suspend() {
-		NSFileCoordinator.removeFilePresenter(self)
-	}
-
-	deinit {
-		NSFileCoordinator.removeFilePresenter(self)
-	}
-
-}
-
-private extension ManagedResourceFile {
-
-	@objc func saveToDiskIfNeeded() {
-		if isDirty {
-			isDirty = false
-			saveCallback()
-		}
-	}
-
-}