From bb3e1b44b112e33ffff1fdb0309e640968a42777 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Fri, 28 Oct 2022 19:16:00 -0400
Subject: [PATCH] Hide live text controls when other gallery controls are
 hidden

Closes #189
---
 .../Large Image/LargeImageContentView.swift   | 22 +++++++++++++++++++
 .../LargeImageViewController.swift            |  1 +
 2 files changed, 23 insertions(+)

diff --git a/Tusker/Screens/Large Image/LargeImageContentView.swift b/Tusker/Screens/Large Image/LargeImageContentView.swift
index f6273dbcd6..7a3a6875b3 100644
--- a/Tusker/Screens/Large Image/LargeImageContentView.swift	
+++ b/Tusker/Screens/Large Image/LargeImageContentView.swift	
@@ -14,6 +14,7 @@ import VisionKit
 protocol LargeImageContentView: UIView {
     var animationImage: UIImage? { get }
     var activityItemsForSharing: [Any] { get }
+    func setControlsVisible(_ controlsVisible: Bool)
     func grayscaleStateChanged()
 }
 
@@ -22,6 +23,9 @@ class LargeImageImageContentView: UIImageView, LargeImageContentView {
     #if !targetEnvironment(macCatalyst)
     @available(iOS 16.0, *)
     private static let analyzer = ImageAnalyzer()
+    private var _analysisInteraction: AnyObject?
+    @available(iOS 16.0, *)
+    private var analysisInteraction: ImageAnalysisInteraction? { _analysisInteraction as? ImageAnalysisInteraction }
     #endif
     
     var animationImage: UIImage? { image! }
@@ -45,6 +49,7 @@ class LargeImageImageContentView: UIImageView, LargeImageContentView {
         if #available(iOS 16.0, *),
            ImageAnalyzer.isSupported {
             let interaction = ImageAnalysisInteraction()
+            self._analysisInteraction = interaction
             interaction.delegate = self
             interaction.preferredInteractionTypes = .automatic
             addInteraction(interaction)
@@ -64,6 +69,17 @@ class LargeImageImageContentView: UIImageView, LargeImageContentView {
         fatalError("init(coder:) has not been implemented")
     }
     
+    func setControlsVisible(_ controlsVisible: Bool) {
+        #if !targetEnvironment(macCatalyst)
+        if #available(iOS 16.0, *),
+           let analysisInteraction {
+            // note: passing animated: true here doesn't seem to do anything by itself as of iOS 16.2 (20C5032e)
+            // so the LargeImageViewController handles animating, but we still need to pass true here otherwise it doesn't animate
+            analysisInteraction.setSupplementaryInterfaceHidden(!controlsVisible, animated: true)
+        }
+        #endif
+    }
+    
     func grayscaleStateChanged() {
         guard let data = sourceData else {
             return
@@ -113,6 +129,9 @@ class LargeImageGifContentView: GIFImageView, LargeImageContentView {
         fatalError("init(coder:) has not been implemented")
     }
     
+    func setControlsVisible(_ controlsVisible: Bool) {
+    }
+    
     func grayscaleStateChanged() {
         // todo
     }
@@ -151,6 +170,9 @@ class LargeImageGifvContentView: GifvAttachmentView, LargeImageContentView {
         fatalError("init(coder:) has not been implemented")
     }
     
+    func setControlsVisible(_ controlsVisible: Bool) {
+    }
+    
     func grayscaleStateChanged() {
         // no-op, GifvAttachmentView observes the grayscale state itself
     }
diff --git a/Tusker/Screens/Large Image/LargeImageViewController.swift b/Tusker/Screens/Large Image/LargeImageViewController.swift
index f5dfa85b7c..c6672ca401 100644
--- a/Tusker/Screens/Large Image/LargeImageViewController.swift	
+++ b/Tusker/Screens/Large Image/LargeImageViewController.swift	
@@ -174,6 +174,7 @@ class LargeImageViewController: UIViewController, UIScrollViewDelegate, LargeIma
         self.controlsVisible = controlsVisible
         if animated {
             UIView.animate(withDuration: 0.2) {
+                self.contentView.setControlsVisible(controlsVisible)
                 self.updateControlsView()
             }
         } else {