Enable always on Reader View for feeds

Mac/MainWindow/Detail/DetailViewController.swift

@@ -15,6 +15,7 @@ import RSWeb
 enum DetailState: Equatable {
 	case noSelection
 	case multipleSelection
+	case loading
 	case article(Article)
 	case extracted(Article, ExtractedArticle)
 }

Mac/MainWindow/Detail/DetailWebViewController.swift

@@ -184,6 +184,8 @@ private extension DetailWebViewController {
 			rendering = ArticleRenderer.noSelectionHTML(style: style)
 		case .multipleSelection:
 			rendering = ArticleRenderer.multipleSelectionHTML(style: style)
+		case .loading:
+			rendering = ArticleRenderer.loadingHTML(style: style)
 		case .article(let article):
 			rendering = ArticleRenderer.articleHTML(article: article, style: style)
 		case .extracted(let article, let extractedArticle):

Mac/MainWindow/MainWindowController.swift

@@ -329,11 +329,7 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 				detailViewController?.setState(detailState, mode: timelineSourceMode)
 			}
 		} else {
-			if let extractor = ArticleExtractor(currentLink) {
-				extractor.delegate = self
-				extractor.process()
-				articleExtractor = extractor
-			}
+			startArticleExtractorForCurrentLink()
 		}
 		
 	}
@@ -453,18 +449,24 @@ extension MainWindowController: SidebarDelegate {
 extension MainWindowController: TimelineContainerViewControllerDelegate {
 
 	func timelineSelectionDidChange(_: TimelineContainerViewController, articles: [Article]?, mode: TimelineSourceMode) {
-
 		articleExtractor?.cancel()
 		articleExtractor = nil
 		isShowingExtractedArticle = false
-		
 		makeToolbarValidate()
 		
 		let detailState: DetailState
 		if let articles = articles {
-			detailState = articles.count == 1 ? .article(articles.first!) : .multipleSelection
-		}
-		else {
+			if articles.count == 1 {
+				if articles.first?.feed?.isArticleExtractorAlwaysOn ?? false {
+					detailState = .loading
+					startArticleExtractorForCurrentLink()
+				} else {
+					detailState = .article(articles.first!)
+				}
+			} else {
+				detailState = .multipleSelection
+			}
+		} else {
 			detailState = .noSelection
 		}
 
@@ -833,6 +835,14 @@ private extension MainWindowController {
 		}
 		
 	}
+	
+	func startArticleExtractorForCurrentLink() {
+		if let link = currentLink, let extractor = ArticleExtractor(link) {
+			extractor.delegate = self
+			extractor.process()
+			articleExtractor = extractor
+		}
+	}
 
 	func saveSplitViewState() {
 		// TODO: Update this for multiple windows.

Shared/Article Rendering/ArticleRenderer.swift

@@ -56,6 +56,11 @@ struct ArticleRenderer {
 		return (renderer.styleString(), renderer.multipleSelectionHTML)
 	}
 
+	static func loadingHTML(style: ArticleStyle) -> Rendering {
+		let renderer = ArticleRenderer(article: nil, extractedArticle: nil, style: style)
+		return (renderer.styleString(), renderer.loadingHTML)
+	}
+
 	static func noSelectionHTML(style: ArticleStyle) -> Rendering {
 		let renderer = ArticleRenderer(article: nil, extractedArticle: nil, style: style)
 		return (renderer.styleString(), renderer.noSelectionHTML)
@@ -81,6 +86,11 @@ private extension ArticleRenderer {
 		return renderHTML(withBody: body)
 	}
 
+	private var loadingHTML: String {
+		let body = "<h3 class='systemMessage'>Loading...</h3>"
+		return renderHTML(withBody: body)
+	}
+
 	private var noSelectionHTML: String {
 		let body = "<h3 class='systemMessage'>No selection</h3>"
 		return renderHTML(withBody: body)