[iOS] Update Playlist timestamp formatting when content over 1 hour long (#28497)

This replaces the hardcoded minute second formatting used on the scrubber to dynamically include the hour if the duration is 60 minutes or longer

ios/brave-ios/Sources/PlaylistUI/MediaScrubber.swift

@@ -39,7 +39,7 @@ struct MediaScrubber<Label: View>: View {
   @Environment(\.layoutDirection) private var layoutDirection
 
   private var currentValueLabel: Text {
-    return Text(.seconds(currentTime), format: .time(pattern: .minuteSecond))
+    return Text(.seconds(currentTime), format: .timestamp)
   }
 
   @ViewBuilder private var remainingTimeLabel: some View {
@@ -47,7 +47,7 @@ struct MediaScrubber<Label: View>: View {
     case .unknown:
       EmptyView()
     case .seconds(let duration):
-      Text(.seconds(currentTime - duration), format: .time(pattern: .minuteSecond))
+      Text(.seconds(currentTime - duration), format: .timestamp)
     case .indefinite:
       Text(Strings.Playlist.liveIndicator)
     }
@@ -55,7 +55,7 @@ struct MediaScrubber<Label: View>: View {
 
   private var durationLabel: Text {
     if case .seconds(let duration) = duration {
-      return Text(.seconds(duration), format: .time(pattern: .minuteSecond))
+      return Text(.seconds(duration), format: .timestamp)
     }
     return Text("")
   }
@@ -202,7 +202,7 @@ struct DefaultMediaScrubberLabel: View {
 
   var body: some View {
     HStack {
-      Text(.seconds(currentTime), format: .time(pattern: .minuteSecond))
+      Text(.seconds(currentTime), format: .timestamp)
       Spacer()
       switch duration {
       case .unknown:
@@ -214,9 +214,9 @@ struct DefaultMediaScrubberLabel: View {
         } label: {
           Group {
             if isShowingTotalTime {
-              Text(.seconds(duration), format: .time(pattern: .minuteSecond))
+              Text(.seconds(duration), format: .timestamp)
             } else {
-              Text(.seconds(currentTime - duration), format: .time(pattern: .minuteSecond))
+              Text(.seconds(currentTime - duration), format: .timestamp)
             }
           }
           .transition(.move(edge: .trailing).combined(with: .opacity))
@@ -248,6 +248,12 @@ private struct MediaScrubberPreview: View {
         isScrubbing: $isScrubbing
       )
       .padding()
+      MediaScrubber(
+        currentTime: $currentTime,
+        duration: .seconds(3600),
+        isScrubbing: $isScrubbing
+      )
+      .padding()
       MediaScrubber(
         currentTime: $currentTime,
         duration: .seconds(1000),

ios/brave-ios/Sources/PlaylistUI/PlayerView.swift

@@ -353,7 +353,7 @@ struct CompactMediaScrubberLabel: View {
   var duration: PlayerModel.ItemDuration
 
   private var currentValueLabel: Text {
-    return Text(.seconds(currentTime), format: .time(pattern: .minuteSecond))
+    return Text(.seconds(currentTime), format: .timestamp)
   }
 
   var body: some View {
@@ -361,7 +361,7 @@ struct CompactMediaScrubberLabel: View {
       currentValueLabel
       if case .seconds(let duration) = duration {
         Text(verbatim: "/")  // FIXME: Does this need some sort of localization?
-        Text(.seconds(currentTime - duration), format: .time(pattern: .minuteSecond))
+        Text(.seconds(currentTime - duration), format: .timestamp)
       }
     }
     .font(.caption2)

ios/brave-ios/Sources/PlaylistUI/PlaylistItemView.swift

@@ -57,7 +57,7 @@ struct PlaylistItemView: View {
           switch duration {
           case .seconds(let duration):
             if duration > 0 {
-              Text(.seconds(duration), format: .time(pattern: .minuteSecond))
+              Text(.seconds(duration), format: .timestamp)
             } else {
               EmptyView()
             }

ios/brave-ios/Sources/PlaylistUI/TimestampFormatStyle.swift

@@ -0,0 +1,25 @@
+// Copyright (c) 2025 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+import Foundation
+
+/// Formats a Duration dynamically based on if the value is over an hour.
+struct TimestampFormatStyle: FormatStyle {
+  func format(_ value: Duration) -> String {
+    let pattern: Duration.TimeFormatStyle.Pattern
+    if abs(value.components.seconds) >= (60 * 60) {
+      pattern = .hourMinuteSecond
+    } else {
+      pattern = .minuteSecond
+    }
+    return value.formatted(.time(pattern: pattern))
+  }
+}
+
+extension FormatStyle where Self == TimestampFormatStyle {
+  static var timestamp: TimestampFormatStyle {
+    .init()
+  }
+}