Merge pull request #1 from Ranchero-Software/ios-release

Ios release

iOS/Article/ArticleViewController.swift

@@ -202,12 +202,7 @@ class ArticleViewController: UIViewController {
 	}
 
 	@objc func contentSizeCategoryDidChange(_ note: Notification) {
-		coordinator.webViewProvider.flushQueue()
-		coordinator.webViewProvider.replenishQueueIfNeeded()
-		if let controller = currentWebViewController {
-			controller.fullReload()
-			self.pageViewController.setViewControllers([controller], direction: .forward, animated: false, completion: nil)
-		}
+		resetWebViewController()
 	}
 	
 	@objc func willEnterForeground(_ note: Notification) {
@@ -215,6 +210,7 @@ class ArticleViewController: UIViewController {
 		if AppDefaults.articleFullscreenEnabled {
 			currentWebViewController?.hideBars()
 		}
+		resetWebViewController()
 	}
 	
 	// MARK: Actions
@@ -274,10 +270,6 @@ class ArticleViewController: UIViewController {
 		currentWebViewController?.scrollPageDown()
 	}
 	
-	func fullReload() {
-		currentWebViewController?.fullReload()
-	}
-	
 	func stopArticleExtractorIfProcessing() {
 		currentWebViewController?.stopArticleExtractorIfProcessing()
 	}
@@ -366,4 +358,13 @@ private extension ArticleViewController {
 		return controller
 	}
 	
+	func resetWebViewController() {
+		coordinator.webViewProvider.flushQueue()
+		coordinator.webViewProvider.replenishQueueIfNeeded()
+		if let controller = currentWebViewController {
+			controller.fullReload()
+			self.pageViewController.setViewControllers([controller], direction: .forward, animated: false, completion: nil)
+		}
+	}
+	
 }

iOS/Article/WebViewController.swift

@@ -148,7 +148,7 @@ class WebViewController: UIViewController {
 	}
 	
 	func fullReload() {
-		self.loadWebView()
+		loadWebView(replaceExistingWebView: true)
 	}
 
 	func showBars() {
@@ -288,10 +288,16 @@ extension WebViewController: UIContextMenuInteractionDelegate {
 // MARK: WKNavigationDelegate
 
 extension WebViewController: WKNavigationDelegate {
+	
+	func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
+		if view.subviews.count > 1 {
+			view.subviews.last?.removeFromSuperview()
+		}
+	}
+	
 	func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
 		
 		if navigationAction.navigationType == .linkActivated {
-			
 			guard let url = navigationAction.request.url else {
 				decisionHandler(.allow)
 				return
@@ -313,13 +319,13 @@ extension WebViewController: WKNavigationDelegate {
 			} else {
 				decisionHandler(.allow)
 			}
-			
 		} else {
-			
 			decisionHandler(.allow)
-			
 		}
-		
+	}
+
+	func webViewWebContentProcessDidTerminate(_ webView: WKWebView) {
+		fullReload()
 	}
 	
 }
@@ -402,10 +408,10 @@ private struct ImageClickMessage: Codable {
 
 private extension WebViewController {
 
-	func loadWebView() {
+	func loadWebView(replaceExistingWebView: Bool = false) {
 		guard isViewLoaded else { return }
 		
-		if let webView = webView {
+		if !replaceExistingWebView, let webView = webView {
 			self.renderPage(webView)
 			return
 		}

iOS/Article/WebViewProvider.swift

@@ -7,42 +7,116 @@
 //
 
 import Foundation
+import RSCore
 import WebKit
 
 /// WKWebView has an awful behavior of a flash to white on first load when in dark mode.
 /// Keep a queue of WebViews where we've already done a trivial load so that by the time we need them in the UI, they're past the flash-to-shite part of their lifecycle.
 class WebViewProvider: NSObject {
 	
-	let articleIconSchemeHandler: ArticleIconSchemeHandler
-	
-	private let minimumQueueDepth = 3
-	private let maximumQueueDepth = 6
+	private let articleIconSchemeHandler: ArticleIconSchemeHandler
+	private let operationQueue = MainThreadOperationQueue()
 	private var queue = UIView()
 	
 	init(coordinator: SceneCoordinator, viewController: UIViewController) {
 		articleIconSchemeHandler = ArticleIconSchemeHandler(coordinator: coordinator)
 		super.init()
 		viewController.view.insertSubview(queue, at: 0)
-		
 		replenishQueueIfNeeded()
 	}
 	
 	func flushQueue() {
-		queue.subviews.forEach { $0.removeFromSuperview() }
+		operationQueue.add(WebViewProviderFlushQueueOperation(queue: queue))
 	}
 
 	func replenishQueueIfNeeded() {
-		while queue.subviews.count < minimumQueueDepth {
-			enqueueWebView(PreloadedWebView(articleIconSchemeHandler: articleIconSchemeHandler))
-		}
+		operationQueue.add(WebViewProviderReplenishQueueOperation(queue: queue, articleIconSchemeHandler: articleIconSchemeHandler))
 	}
 	
 	func dequeueWebView(completion: @escaping (PreloadedWebView) -> ()) {
+		operationQueue.add(WebViewProviderDequeueOperation(queue: queue, articleIconSchemeHandler: articleIconSchemeHandler, completion: completion))
+		operationQueue.add(WebViewProviderReplenishQueueOperation(queue: queue, articleIconSchemeHandler: articleIconSchemeHandler))
+	}
+	
+}
+
+class WebViewProviderFlushQueueOperation: MainThreadOperation {
+	
+	// MainThreadOperation
+	public var isCanceled = false
+	public var id: Int?
+	public weak var operationDelegate: MainThreadOperationDelegate?
+	public var name: String? = "WebViewProviderFlushQueueOperation"
+	public var completionBlock: MainThreadOperation.MainThreadOperationCompletionBlock?
+
+	private var queue: UIView
+	
+	init(queue: UIView) {
+		self.queue = queue
+	}
+	
+	func run() {
+		queue.subviews.forEach { $0.removeFromSuperview() }
+		self.operationDelegate?.operationDidComplete(self)
+	}
+	
+}
+
+class WebViewProviderReplenishQueueOperation: MainThreadOperation {
+	
+	// MainThreadOperation
+	public var isCanceled = false
+	public var id: Int?
+	public weak var operationDelegate: MainThreadOperationDelegate?
+	public var name: String? = "WebViewProviderReplenishQueueOperation"
+	public var completionBlock: MainThreadOperation.MainThreadOperationCompletionBlock?
+
+	private let minimumQueueDepth = 3
+
+	private var queue: UIView
+	private var articleIconSchemeHandler: ArticleIconSchemeHandler
+	
+	init(queue: UIView, articleIconSchemeHandler: ArticleIconSchemeHandler) {
+		self.queue = queue
+		self.articleIconSchemeHandler = articleIconSchemeHandler
+	}
+	
+	func run() {
+		while queue.subviews.count < minimumQueueDepth {
+			let webView = PreloadedWebView(articleIconSchemeHandler: articleIconSchemeHandler)
+			queue.insertSubview(webView, at: 0)
+			webView.preload()
+		}
+		self.operationDelegate?.operationDidComplete(self)
+	}
+	
+}
+
+class WebViewProviderDequeueOperation: MainThreadOperation {
+	
+	// MainThreadOperation
+	public var isCanceled = false
+	public var id: Int?
+	public weak var operationDelegate: MainThreadOperationDelegate?
+	public var name: String? = "WebViewProviderFlushQueueOperation"
+	public var completionBlock: MainThreadOperation.MainThreadOperationCompletionBlock?
+
+	private var queue: UIView
+	private var articleIconSchemeHandler: ArticleIconSchemeHandler
+	private var completion: (PreloadedWebView) -> ()
+	
+	init(queue: UIView, articleIconSchemeHandler: ArticleIconSchemeHandler, completion: @escaping (PreloadedWebView) -> ()) {
+		self.queue = queue
+		self.articleIconSchemeHandler = articleIconSchemeHandler
+		self.completion = completion
+	}
+	
+	func run() {
 		if let webView = queue.subviews.last as? PreloadedWebView {
 			webView.ready { preloadedWebView in
 				preloadedWebView.removeFromSuperview()
-				self.replenishQueueIfNeeded()
-				completion(preloadedWebView)
+				self.completion(preloadedWebView)
+				self.operationDelegate?.operationDidComplete(self)
 			}
 			return
 		}
@@ -50,18 +124,11 @@ class WebViewProvider: NSObject {
 		assertionFailure("Creating PreloadedWebView in \(#function); queue has run dry.")
 		
 		let webView = PreloadedWebView(articleIconSchemeHandler: articleIconSchemeHandler)
-		webView.ready { preloadedWebView in
-			self.replenishQueueIfNeeded()
-			completion(preloadedWebView)
-		}
-	}
-	
-	func enqueueWebView(_ webView: PreloadedWebView) {
-		guard queue.subviews.count < maximumQueueDepth else {
-			return
-		}
-		queue.insertSubview(webView, at: 0)
 		webView.preload()
+		webView.ready { preloadedWebView in
+			self.completion(preloadedWebView)
+			self.operationDelegate?.operationDidComplete(self)
+		}
 	}
 	
 }

iOS/MasterFeed/Cell/MasterFeedTableViewSectionHeader.swift

@@ -73,16 +73,13 @@ class MasterFeedTableViewSectionHeader: UITableViewHeaderFooterView {
 	
 	private let unreadCountView = MasterFeedUnreadCountView(frame: CGRect.zero)
 
-	@available(iOS 13.4, *)
-	private(set) lazy var disclosurePointerInteraction = UIPointerInteraction()
-	
 	private lazy var disclosureButton: UIButton = {
 		let button = NonIntrinsicButton()
 		button.tintColor = UIColor.tertiaryLabel
 		button.setImage(AppAssets.disclosureImage, for: .normal)
 		button.contentMode = .center
 		if #available(iOS 13.4, *) {
-			button.addInteraction(disclosurePointerInteraction)
+			button.addInteraction(UIPointerInteraction())
 		}
 		button.addTarget(self, action: #selector(toggleDisclosure), for: .touchUpInside)
 		return button

iOS/Resources/main_ios.js

@@ -35,10 +35,14 @@ class ImageViewer {
 		this.hideLoadingIndicator();
 
 		var canvas = document.createElement("canvas");
-		canvas.width = this.img.naturalWidth * window.devicePixelRatio;
-		canvas.height = this.img.naturalHeight * window.devicePixelRatio;
+		var pixelRatio = window.devicePixelRatio;
+		do {
+			canvas.width = this.img.naturalWidth * pixelRatio;
+			canvas.height = this.img.naturalHeight * pixelRatio;
+			pixelRatio--;
+		} while (pixelRatio > 0 && canvas.width * canvas.height > 16777216)
 		canvas.getContext("2d").drawImage(this.img, 0, 0, canvas.width, canvas.height);
-
+		
 		const rect = this.img.getBoundingClientRect();
 		const message = {
 			x: rect.x,

xcconfig/common/NetNewsWire_ios_target_common.xcconfig

@@ -1,7 +1,7 @@
 
 // High Level Settings common to both the iOS application and any extensions we bundle with it
 MARKETING_VERSION = 5.0.1
-CURRENT_PROJECT_VERSION = 44
+CURRENT_PROJECT_VERSION = 46
 
 ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES
 ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon