Add preference to prevent blurring media behind CW

Closes #203

Tusker/Preferences/Preferences.swift

@@ -52,6 +52,7 @@ class Preferences: Codable, ObservableObject {
         self.mentionReblogger = try container.decode(Bool.self, forKey: .mentionReblogger)
         
         self.blurAllMedia = try container.decode(Bool.self, forKey: .blurAllMedia)
+        self.blurMediaBehindContentWarning = try container.decodeIfPresent(Bool.self, forKey: .blurMediaBehindContentWarning) ?? true
         self.automaticallyPlayGifs = try container.decode(Bool.self, forKey: .automaticallyPlayGifs)
         
         self.openLinksInApps = try container.decode(Bool.self, forKey: .openLinksInApps)
@@ -92,6 +93,7 @@ class Preferences: Codable, ObservableObject {
         try container.encode(mentionReblogger, forKey: .mentionReblogger)
         
         try container.encode(blurAllMedia, forKey: .blurAllMedia)
+        try container.encode(blurMediaBehindContentWarning, forKey: .blurMediaBehindContentWarning)
         try container.encode(automaticallyPlayGifs, forKey: .automaticallyPlayGifs)
         
         try container.encode(openLinksInApps, forKey: .openLinksInApps)
@@ -131,7 +133,14 @@ class Preferences: Codable, ObservableObject {
     @Published var mentionReblogger = false
     
     // MARK: Media
-    @Published var blurAllMedia = false
+    @Published var blurAllMedia = false {
+        didSet {
+            if blurAllMedia {
+                blurMediaBehindContentWarning = true
+            }
+        }
+    }
+    @Published var blurMediaBehindContentWarning = true
     @Published var automaticallyPlayGifs = true
     
     // MARK: Behavior
@@ -174,6 +183,7 @@ class Preferences: Codable, ObservableObject {
         case mentionReblogger
         
         case blurAllMedia
+        case blurMediaBehindContentWarning
         case automaticallyPlayGifs
         
         case openLinksInApps

Tusker/Screens/Preferences/MediaPrefsView.swift

@@ -24,6 +24,12 @@ struct MediaPrefsView: View {
             Toggle(isOn: $preferences.blurAllMedia) {
                 Text("Blur All Media")
             }
+            
+            Toggle(isOn: $preferences.blurMediaBehindContentWarning) {
+                Text("Blur Media Behind Content Warning")
+            }
+            .disabled(preferences.blurAllMedia)
+            
             Toggle(isOn: $preferences.automaticallyPlayGifs) {
                 Text("Automatically Play GIFs")
             }

Tusker/Views/Attachments/AttachmentsContainerView.swift

@@ -236,27 +236,9 @@ class AttachmentsContainerView: UIView {
         // Make sure accessibilityElements is set every time the UI is updated, otherwise it holds
         // on to strong references to the old set of attachment views
         self.accessibilityElements = accessibilityElements
-
-        contentHidden = Preferences.shared.blurAllMedia || status.sensitive
     }
     
     private func createAttachmentView(index: Int, hSize: RelativeSize, vSize: RelativeSize) -> AttachmentView {
-        let width: CGFloat
-        switch hSize {
-        case .full:
-            width = bounds.width
-        case .half:
-            width = (bounds.width - 4) / 2
-        }
-        let height: CGFloat
-        switch vSize {
-        case .full:
-            height = bounds.height
-        case .half:
-            height = (bounds.height - 4) / 2
-        }
-        let size = CGSize(width: width, height: height)
-        
         let attachmentView = AttachmentView(attachment: attachments[index], index: index)
         attachmentView.delegate = delegate
         attachmentView.translatesAutoresizingMaskIntoConstraints = false

Tusker/Views/Status/BaseStatusTableViewCell.swift

@@ -231,7 +231,17 @@ class BaseStatusTableViewCell: UITableViewCell {
     
     func updateUIForPreferences(account: AccountMO, status: StatusMO) {
         avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
-        attachmentsView.contentHidden = Preferences.shared.blurAllMedia || status.sensitive
+        if Preferences.shared.blurAllMedia {
+            attachmentsView.contentHidden = true
+        } else if status.sensitive {
+            if !Preferences.shared.blurMediaBehindContentWarning && !status.spoilerText.isEmpty {
+                attachmentsView.contentHidden = false
+            } else {
+                attachmentsView.contentHidden = true
+            }
+        } else {
+            attachmentsView.contentHidden = false
+        }
         
         updateStatusIconsForPreferences(status)
         

Tusker/Views/Status/StatusCollectionViewCell.swift

@@ -147,7 +147,17 @@ extension StatusCollectionViewCell {
     
     func baseUpdateUIForPreferences(status: StatusMO) {
         avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadiusFraction * Self.avatarImageViewSize
-        contentContainer.attachmentsView.contentHidden = Preferences.shared.blurAllMedia || status.sensitive
+        if Preferences.shared.blurAllMedia {
+            contentContainer.attachmentsView.contentHidden = true
+        } else if status.sensitive {
+            if !Preferences.shared.blurMediaBehindContentWarning && !status.spoilerText.isEmpty {
+                contentContainer.attachmentsView.contentHidden = false
+            } else {
+                contentContainer.attachmentsView.contentHidden = true
+            }
+        } else {
+            contentContainer.attachmentsView.contentHidden = false
+        }
         
         let reblogButtonImage: UIImage
         if Preferences.shared.alwaysShowStatusVisibilityIcon || reblogEnabled(status: status) {