Add support for tapping an image to hide all the chrome

Mastodon/Coordinator/SceneCoordinator.swift

@@ -339,7 +339,7 @@ extension SceneCoordinator {
         case .custom(let transitioningDelegate):
             viewController.modalPresentationStyle = .custom
             viewController.transitioningDelegate = transitioningDelegate
-            // viewController.modalPresentationCapturesStatusBarAppearance = true
+            viewController.modalPresentationCapturesStatusBarAppearance = true
             (splitViewController ?? presentingViewController)?.present(viewController, animated: true, completion: nil)
             
         case .customPush(let animated):

Mastodon/Scene/MediaPreview/Image/MediaPreviewImageViewController.swift

@@ -111,13 +111,19 @@ extension MediaPreviewImageViewController {
     
 }
 
+extension MediaPreviewImageViewController: MediaPreviewPage {
+    func setShowingChrome(_ showingChrome: Bool) {
+        if #available(iOS 16.0, *) {
+            UIView.animate(withDuration: 0.3) {
+                self.previewImageView.liveTextInteraction.setSupplementaryInterfaceHidden(!showingChrome, animated: true)
+            }
+        }
+    }
+}
+
 // MARK: - ImageAnalysisInteractionDelegate
 @available(iOS 16.0, *)
 extension MediaPreviewImageViewController: ImageAnalysisInteractionDelegate {
-    func contentView(for interaction: ImageAnalysisInteraction) -> UIView? {
-        view
-    }
-
     func presentingViewController(for interaction: ImageAnalysisInteraction) -> UIViewController? {
         self
     }
@@ -128,8 +134,14 @@ extension MediaPreviewImageViewController: UIGestureRecognizerDelegate {
     func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
         if #available(iOS 16.0, *) {
             let location = touch.location(in: previewImageView.imageView)
-            let hasItem = previewImageView.liveTextInteraction.hasInteractiveItem(at: location)
-            return !hasItem
+            // for tap gestures, only items that can be tapped are relevant
+            if gestureRecognizer is UITapGestureRecognizer {
+                return !previewImageView.liveTextInteraction.hasSupplementaryInterface(at: location)
+                    && !previewImageView.liveTextInteraction.hasDataDetector(at: location)
+            } else {
+                // for long press, block out everything
+                return !previewImageView.liveTextInteraction.hasInteractiveItem(at: location)
+            }
         } else {
             return true
         }

Mastodon/Scene/MediaPreview/MediaPreviewViewController.swift

@@ -137,6 +137,17 @@ extension MediaPreviewViewController {
                 }
             }
             .store(in: &disposeBag)
+
+        viewModel.$showingChrome
+            .receive(on: DispatchQueue.main)
+            .removeDuplicates()
+            .sink { [weak self] showingChrome in
+                UIView.animate(withDuration: 0.3) {
+                    self?.setNeedsStatusBarAppearanceUpdate()
+                    self?.closeButtonBackground.alpha = showingChrome ? 1 : 0
+                }
+            }
+            .store(in: &disposeBag)
         
 //        viewModel.$isPoping
 //            .receive(on: DispatchQueue.main)
@@ -153,6 +164,14 @@ extension MediaPreviewViewController {
     
 }
 
+extension MediaPreviewViewController {
+
+    override var prefersStatusBarHidden: Bool {
+        !viewModel.showingChrome
+    }
+
+}
+
 extension MediaPreviewViewController {
     
     @objc private func closeButtonPressed(_ sender: UIButton) {
@@ -239,8 +258,11 @@ extension MediaPreviewViewController: MediaPreviewImageViewControllerDelegate {
         let location = tapGestureRecognizer.location(in: viewController.previewImageView.imageView)
         let isContainsTap = viewController.previewImageView.imageView.frame.contains(location)
         
-        guard !isContainsTap else { return }
-        dismiss(animated: true, completion: nil)
+        if isContainsTap {
+            self.viewModel.showingChrome.toggle()
+        } else {
+            dismiss(animated: true, completion: nil)
+        }
     }
     
     func mediaPreviewImageViewController(_ viewController: MediaPreviewImageViewController, longPressGestureRecognizerDidTrigger longPressGestureRecognizer: UILongPressGestureRecognizer) {

Mastodon/Scene/MediaPreview/MediaPreviewViewModel.swift

@@ -12,6 +12,10 @@ import CoreDataStack
 import Pageboy
 import MastodonCore
 
+protocol MediaPreviewPage: UIViewController {
+    func setShowingChrome(_ showingChrome: Bool)
+}
+
 final class MediaPreviewViewModel: NSObject {
     
     weak var mediaPreviewImageViewControllerDelegate: MediaPreviewImageViewControllerDelegate?
@@ -22,9 +26,12 @@ final class MediaPreviewViewModel: NSObject {
     let transitionItem: MediaPreviewTransitionItem
     
     @Published var currentPage: Int
+    @Published var showingChrome = true
     
     // output
     let viewControllers: [UIViewController]
+
+    private var disposeBag: Set<AnyCancellable> = []
     
     init(
         context: AppContext,
@@ -34,7 +41,7 @@ final class MediaPreviewViewModel: NSObject {
         self.context = context
         self.item = item
         var currentPage = 0
-        var viewControllers: [UIViewController] = []
+        var viewControllers: [MediaPreviewPage] = []
         switch item {
         case .attachment(let previewContext):
             currentPage = previewContext.initialIndex
@@ -106,6 +113,14 @@ final class MediaPreviewViewModel: NSObject {
         self.currentPage = currentPage
         self.transitionItem = transitionItem
         super.init()
+
+        for viewController in viewControllers {
+            self.$showingChrome
+                .sink { [weak viewController] showingChrome in
+                    viewController?.setShowingChrome(showingChrome)
+                }
+                .store(in: &disposeBag)
+        }
     }
 
 }

Mastodon/Scene/MediaPreview/Video/MediaPreviewVideoViewController.swift

@@ -111,6 +111,12 @@ extension MediaPreviewVideoViewController {
 //    }
 //}
 
+extension MediaPreviewVideoViewController: MediaPreviewPage {
+    func setShowingChrome(_ showingChrome: Bool) {
+        // TODO: does this do anything?
+    }
+}
+
 // MARK: - AVPlayerViewControllerDelegate
 extension MediaPreviewVideoViewController: AVPlayerViewControllerDelegate {