iOS: natural swipe-to-expand/dismiss player with live drag tracking

ios/LibNovel/LibNovel/App/RootTabView.swift

@@ -9,6 +9,9 @@ struct RootTabView: View {
     @State private var selectedTab: Tab = .home
     @State private var showFullPlayer: Bool = false
 
+    /// Live drag offset while the user is dragging the full player down.
+    @State private var fullPlayerDragOffset: CGFloat = 0
+
     enum Tab: Hashable {
         case home, library, browse, profile
     }
@@ -43,17 +46,52 @@ struct RootTabView: View {
                 }
             }
 
-            // Mini-player pinned above the tab bar
-            if audioPlayer.isActive {
+            // Mini-player pinned above the tab bar (hidden while full player is open)
+            if audioPlayer.isActive && !showFullPlayer {
                 MiniPlayerView(showFullPlayer: $showFullPlayer)
                     .padding(.bottom, tabBarHeight)
                     .transition(.move(edge: .bottom).combined(with: .opacity))
                     .animation(.spring(response: 0.35, dampingFraction: 0.8), value: audioPlayer.isActive)
             }
+
+            // Full player — slides up from the bottom as a custom overlay (not a sheet)
+            // so it feels physically connected to the mini player bar.
+            if showFullPlayer {
+                FullPlayerView(onDismiss: {
+                    withAnimation(.spring(response: 0.4, dampingFraction: 0.85)) {
+                        showFullPlayer = false
+                        fullPlayerDragOffset = 0
+                    }
+                })
+                .offset(y: max(fullPlayerDragOffset, 0))
+                .gesture(
+                    DragGesture(minimumDistance: 10)
+                        .onChanged { value in
+                            if value.translation.height > 0 {
+                                // Rubberband slightly so it doesn't feel locked
+                                fullPlayerDragOffset = value.translation.height
+                            }
+                        }
+                        .onEnded { value in
+                            let velocity = value.predictedEndTranslation.height - value.translation.height
+                            if value.translation.height > 120 || velocity > 400 {
+                                withAnimation(.spring(response: 0.4, dampingFraction: 0.85)) {
+                                    showFullPlayer = false
+                                    fullPlayerDragOffset = 0
+                                }
+                            } else {
+                                withAnimation(.spring(response: 0.35, dampingFraction: 0.8)) {
+                                    fullPlayerDragOffset = 0
+                                }
+                            }
+                        }
+                )
+                .transition(.move(edge: .bottom))
+                .animation(.spring(response: 0.45, dampingFraction: 0.85), value: showFullPlayer)
+                .ignoresSafeArea()
+            }
         }
-        .sheet(isPresented: $showFullPlayer) {
-            FullPlayerView()
-        }
+        .animation(.spring(response: 0.45, dampingFraction: 0.85), value: showFullPlayer)
     }
 
     // Approximate safe-area-aware tab bar height

ios/LibNovel/LibNovel/Views/Player/PlayerViews.swift

@@ -7,6 +7,9 @@ struct MiniPlayerView: View {
     @Binding var showFullPlayer: Bool
     @EnvironmentObject var audioPlayer: AudioPlayerService
 
+    /// Live drag offset while the user is swiping up (negative = moving up).
+    @State private var dragOffset: CGFloat = 0
+
     var body: some View {
         VStack(spacing: 0) {
             // Progress line — thin amber strip at the very top
@@ -81,14 +84,27 @@ struct MiniPlayerView: View {
         }
         .background(.ultraThinMaterial)
         .shadow(color: .black.opacity(0.15), radius: 6, y: -2)
+        // Follow finger upward while dragging, spring back or expand on release
+        .offset(y: min(dragOffset, 0))
         .gesture(
-            DragGesture(minimumDistance: 20, coordinateSpace: .local)
+            DragGesture(minimumDistance: 10, coordinateSpace: .local)
+                .onChanged { value in
+                    // Only track upward swipes here; downward dismiss is on ended
+                    if value.translation.height < 0 {
+                        // Rubberband: feels lighter as you drag further
+                        dragOffset = value.translation.height * 0.4
+                    } else {
+                        dragOffset = value.translation.height * 0.15
+                    }
+                }
                 .onEnded { value in
-                    if value.translation.height < -20 {
-                        // Swipe up → expand full player
+                    let velocity = value.predictedEndTranslation.height - value.translation.height
+                    withAnimation(.spring(response: 0.35, dampingFraction: 0.75)) {
+                        dragOffset = 0
+                    }
+                    if value.translation.height < -40 || velocity < -200 {
                         showFullPlayer = true
-                    } else if value.translation.height > 20 {
-                        // Swipe down → dismiss
+                    } else if value.translation.height > 40 || velocity > 200 {
                         audioPlayer.stop()
                     }
                 }
@@ -112,7 +128,8 @@ struct MiniPlayerView: View {
 
 struct FullPlayerView: View {
     @EnvironmentObject var audioPlayer: AudioPlayerService
-    @Environment(\.dismiss) private var dismiss
+    /// Called when the view wants to close itself (Done button or drag-to-dismiss).
+    var onDismiss: () -> Void = {}
 
     var body: some View {
         ZStack {
@@ -131,6 +148,13 @@ struct FullPlayerView: View {
 
             // ── Content ────────────────────────────────────────────────────
             VStack(spacing: 0) {
+                // Drag handle pill — visual cue that you can swipe down to close
+                Capsule()
+                    .fill(Color.white.opacity(0.35))
+                    .frame(width: 36, height: 4)
+                    .padding(.top, 12)
+                    .padding(.bottom, 4)
+
                 // Navigation bar row
                 HStack {
                     Spacer()
@@ -139,7 +163,7 @@ struct FullPlayerView: View {
                         .foregroundStyle(.white)
                     Spacer()
                     Button {
-                        dismiss()
+                        onDismiss()
                     } label: {
                         Text("Done")
                             .font(.subheadline.weight(.semibold))
@@ -150,7 +174,7 @@ struct FullPlayerView: View {
                     }
                 }
                 .padding(.horizontal, 24)
-                .padding(.top, 20)
+                .padding(.top, 8)
 
                 Spacer(minLength: 0)