Chapters: allow user to disable thumbnails

Chapters have their own section is the settings. The users can decide if chapter thumbnails should be shown or not. Also they can decide to only show thumbnails if they are not the same.

The VideoDetailsView had to be modified, to avoid compiler type-checking errors.

Shared/Defaults.swift

@@ -77,6 +77,8 @@ extension Defaults.Keys {
     static let collapsedLinesDescription = Key<Int>("collapsedLinesDescription", default: 5)
 
     static let showChapters = Key<Bool>("showChapters", default: true)
+    static let showChapterThumbnails = Key<Bool>("showChapterThumbnails", default: true)
+    static let showChapterThumbnailsOnlyWhenDifferent = Key<Bool>("showChapterThumbnailsOnlyWhenDifferent", default: true)
     static let expandChapters = Key<Bool>("expandChapters", default: true)
     static let showRelated = Key<Bool>("showRelated", default: true)
     static let showInspector = Key<ShowInspectorSetting>("showInspector", default: .onlyLocal)

Shared/Player/Video Details/ChapterView.swift

@@ -9,6 +9,8 @@ import SwiftUI
         var chapterIndex: Int
         @ObservedObject private var player = PlayerModel.shared
 
+        var showThumbnail: Bool
+
         var isCurrentChapter: Bool {
             player.currentChapterIndex == chapterIndex
         }
@@ -27,7 +29,7 @@ import SwiftUI
 
         var verticalChapter: some View {
             VStack(spacing: 12) {
-                if !chapter.image.isNil {
+                if !chapter.image.isNil, showThumbnail {
                     smallImage(chapter)
                 }
                 VStack(alignment: .leading, spacing: 4) {
@@ -40,7 +42,7 @@ import SwiftUI
                         .font(.system(.subheadline).monospacedDigit())
                         .foregroundColor(.secondary)
                 }
-                .frame(maxWidth: !chapter.image.isNil ? Self.thumbnailWidth : nil, alignment: .leading)
+                .frame(maxWidth: !chapter.image.isNil && showThumbnail ? Self.thumbnailWidth : nil, alignment: .leading)
             }
         }
 
@@ -126,7 +128,7 @@ struct ChapterView_Preview: PreviewProvider {
             ChapterViewTVOS(chapter: .init(title: "Chapter", start: 30))
                 .injectFixtureEnvironmentObjects()
         #else
-            ChapterView(chapter: .init(title: "Chapter", start: 30), chapterIndex: 0)
+            ChapterView(chapter: .init(title: "Chapter", start: 30), chapterIndex: 0, showThumbnail: true)
                 .injectFixtureEnvironmentObjects()
         #endif
     }

Shared/Player/Video Details/ChaptersView.swift

@@ -5,18 +5,16 @@ import SwiftUI
 struct ChaptersView: View {
     @ObservedObject private var player = PlayerModel.shared
     @Binding var expand: Bool
+    let chaptersHaveImages: Bool
+    let showThumbnails: Bool
 
     var chapters: [Chapter] {
         player.videoForDisplay?.chapters ?? []
     }
 
-    var chaptersHaveImages: Bool {
-        chapters.allSatisfy { $0.image != nil }
-    }
-
     var body: some View {
         if !chapters.isEmpty {
-            if chaptersHaveImages {
+            if chaptersHaveImages, showThumbnails {
                 #if os(tvOS)
                     List {
                         Section {
@@ -70,7 +68,7 @@ struct ChaptersView: View {
         private func chapterViews(for chaptersToShow: ArraySlice<Chapter>, opacity: Double = 1.0, clickable: Bool = true) -> some View {
             ForEach(Array(chaptersToShow.indices), id: \.self) { index in
                 let chapter = chaptersToShow[index]
-                ChapterView(chapter: chapter, chapterIndex: index)
+                ChapterView(chapter: chapter, chapterIndex: index, showThumbnail: showThumbnails)
                     .opacity(index == 0 ? 1.0 : opacity)
                     .allowsHitTesting(clickable)
             }
@@ -80,7 +78,7 @@ struct ChaptersView: View {
 
 struct ChaptersView_Previews: PreviewProvider {
     static var previews: some View {
-        ChaptersView(expand: .constant(false))
+        ChaptersView(expand: .constant(false), chaptersHaveImages: false, showThumbnails: true)
             .injectFixtureEnvironmentObjects()
     }
 }

Shared/Player/Video Details/VideoDetails.swift

@@ -186,6 +186,8 @@ struct VideoDetails: View {
     @Default(.playerSidebar) private var playerSidebar
     @Default(.showInspector) private var showInspector
     @Default(.showChapters) private var showChapters
+    @Default(.showChapterThumbnails) private var showChapterThumbnails
+    @Default(.showChapterThumbnailsOnlyWhenDifferent) private var showChapterThumbnailsOnlyWhenDifferent
     @Default(.showRelated) private var showRelated
     #if !os(tvOS)
         @Default(.showScrollToTopInComments) private var showScrollToTopInComments
@@ -287,17 +289,7 @@ struct VideoDetails: View {
         }
     }
 
-    var pageView: some View {
-        ScrollView(.vertical) {
-            LazyVStack {
-                pageMenu
-                    .id(Self.pageMenuID)
-                    .padding(5)
-
-                switch page {
-                case .info:
-                    Group {
-                        if let video {
+    func infoView(video: Video) -> some View {
         VStack(alignment: .leading, spacing: 10) {
             if !player.videoBeingOpened.isNil && (video.description.isNil || video.description!.isEmpty) {
                 VStack {
@@ -323,7 +315,7 @@ struct VideoDetails: View {
                    !video.chapters.isEmpty
                 {
                     Section(header: chaptersHeader) {
-                                            ChaptersView(expand: $chaptersExpanded)
+                        ChaptersView(expand: $chaptersExpanded, chaptersHaveImages: chaptersHaveImages, showThumbnails: showThumbnails)
                     }
                 }
 
@@ -342,10 +334,8 @@ struct VideoDetails: View {
                 }
             }
         }
-                        }
-                    }
         .onAppear {
-                        if video != nil, !pageAvailable(page) {
+            if !pageAvailable(page) {
                 page = .info
             }
         }
@@ -354,11 +344,23 @@ struct VideoDetails: View {
         #if os(iOS)
             .frame(maxWidth: YatteeApp.isForPreviews ? .infinity : maxWidth)
         #endif
+    }
 
+    var pageView: some View {
+        ScrollView(.vertical) {
+            LazyVStack {
+                pageMenu
+                    .id(Self.pageMenuID)
+                    .padding(5)
+
+                switch page {
+                case .info:
+                    if let video = self.video {
+                        infoView(video: video)
+                    }
                 case .queue:
                     PlayerQueueView(sidebarQueue: false)
                         .padding(.horizontal)
-
                 case .comments:
                     CommentsView()
                         .onAppear {
@@ -447,9 +449,27 @@ struct VideoDetails: View {
         player.videoForDisplay?.chapters.allSatisfy { $0.image != nil } ?? false
     }
 
+    var chapterImagesTheSame: Bool {
+        guard let firstChapterURL = player.videoForDisplay?.chapters.first?.image else {
+            return false
+        }
+
+        return player.videoForDisplay?.chapters.allSatisfy { $0.image == firstChapterURL } ?? false
+    }
+
+    var showThumbnails: Bool {
+        if !chaptersHaveImages || !showChapterThumbnails {
+            return false
+        }
+        if showChapterThumbnailsOnlyWhenDifferent {
+            return !chapterImagesTheSame
+        }
+        return true
+    }
+
     var chaptersHeader: some View {
         Group {
-            if !chaptersHaveImages {
+            if !chaptersHaveImages || !showThumbnails {
                 #if canImport(UIKit)
                     Button(action: {
                         chaptersExpanded.toggle()

Shared/Settings/PlayerSettings.swift

@@ -32,6 +32,8 @@ struct PlayerSettings: View {
 
     @Default(.showInspector) private var showInspector
     @Default(.showChapters) private var showChapters
+    @Default(.showChapterThumbnails) private var showThumbnails
+    @Default(.showChapterThumbnailsOnlyWhenDifferent) private var showThumbnailsOnlyWhenDifferent
     @Default(.expandChapters) private var expandChapters
     @Default(.showRelated) private var showRelated
 
@@ -80,8 +82,6 @@ struct PlayerSettings: View {
                 Section(header: SettingsHeader(text: "Info".localized())) {
                     expandVideoDescriptionToggle
                     collapsedLineDescriptionStepper
-                    showChaptersToggle
-                    expandChaptersToggle
                     showRelatedToggle
                     #if os(macOS)
                         HStack {
@@ -93,6 +93,13 @@ struct PlayerSettings: View {
                         inspectorVisibilityPicker
                     #endif
                 }
+
+                Section(header: SettingsHeader(text: "Chapters".localized())) {
+                    showChaptersToggle
+                    showThumbnailsToggle
+                    showThumbnailsWhenDifferentToggle
+                    expandChaptersToggle
+                }
             #endif
 
             let interface = Section(header: SettingsHeader(text: "Interface".localized())) {
@@ -284,7 +291,19 @@ struct PlayerSettings: View {
         }
 
         private var showChaptersToggle: some View {
-            Toggle("Chapters (if available)", isOn: $showChapters)
+            Toggle("Show chapters", isOn: $showChapters)
+        }
+
+        private var showThumbnailsToggle: some View {
+            Toggle("Show thumbnails", isOn: $showThumbnails)
+                .disabled(!showChapters)
+                .foregroundColor(showChapters ? .primary : .secondary)
+        }
+
+        private var showThumbnailsWhenDifferentToggle: some View {
+            Toggle("Show thumbnails only when unique", isOn: $showThumbnailsOnlyWhenDifferent)
+                .disabled(!showChapters || !showThumbnails)
+                .foregroundColor(showChapters && showThumbnails ? .primary : .secondary)
         }
 
         private var expandChaptersToggle: some View {