Move modules to Modules folder.

Modules/RSCore/Sources/RSCoreResources/AppKit/IndeterminateProgressWindowController.swift

@@ -0,0 +1,71 @@
+//
+//  IndeterminateProgressWindowController.swift
+//  NetNewsWire
+//
+//  Created by Brent Simmons on 8/28/16.
+//  Copyright © 2016 Ranchero Software, LLC. All rights reserved.
+//
+#if os(macOS)
+import AppKit
+
+public func runIndeterminateProgressWithMessage(_ message: String) {
+
+	IndeterminateProgressController.beginProgressWithMessage(message)
+}
+
+public func stopIndeterminateProgress() {
+
+	IndeterminateProgressController.endProgress()
+}
+
+private final class IndeterminateProgressController {
+
+	static var windowController: IndeterminateProgressWindowController?
+	static var runningProgressWindow = false
+
+	static func beginProgressWithMessage(_ message: String) {
+
+		if runningProgressWindow {
+			assertionFailure("Expected !runningProgressWindow.")
+			endProgress()
+		}
+
+		runningProgressWindow = true
+		windowController = IndeterminateProgressWindowController(message: message)
+		NSApplication.shared.runModal(for: windowController!.window!)
+	}
+
+	static func endProgress() {
+
+		if !runningProgressWindow {
+			assertionFailure("Expected runningProgressWindow.")
+			return
+		}
+
+		runningProgressWindow = false
+		NSApplication.shared.stopModal()
+		windowController?.close()
+		windowController = nil
+	}
+}
+
+private final class IndeterminateProgressWindowController: NSWindowController {
+
+	@IBOutlet var messageLabel: NSTextField!
+	@IBOutlet var progressIndicator: NSProgressIndicator!
+	@objc dynamic var message = ""
+
+	convenience init(message: String) {
+        self.init(window: nil)
+		self.message = message
+        Bundle.module.loadNibNamed("IndeterminateProgressWindow", owner: self, topLevelObjects: nil)
+	}
+
+	override func windowDidLoad() {
+
+		progressIndicator.startAnimation(self)
+	}
+}
+#endif
+
+

Modules/RSCore/Sources/RSCoreResources/AppKit/WebViewWindowController.swift

@@ -0,0 +1,40 @@
+//
+//  WebViewWindowController.swift
+//  RSCore
+//
+//  Created by Brent Simmons on 11/13/17.
+//  Copyright © 2017 Ranchero Software, LLC. All rights reserved.
+//
+#if os(macOS)
+import AppKit
+import WebKit
+
+public final class WebViewWindowController: NSWindowController {
+
+	@IBOutlet private var webview: WKWebView!
+	private var title: String!
+    
+	public convenience init(title: String) {
+        self.init(window: nil)
+		self.title = title
+        Bundle.module.loadNibNamed("WebViewWindow", owner: self, topLevelObjects: nil)
+    }
+
+	public override func windowDidLoad() {
+
+		window!.title = title
+	}
+
+	public func displayContents(of path: String) {
+
+		// We assume there might be images, style sheets, etc. contained by the folder that the file appears in, so we get read access to the parent folder.
+
+		let _ = self.window
+
+		let fileURL = URL(fileURLWithPath: path)
+		let folderURL = fileURL.deletingLastPathComponent()
+
+		webview.loadFileURL(fileURL, allowingReadAccessTo: folderURL)
+	}
+}
+#endif