支持播放界面长按以倍速播放

src/App/Controls/Player/BiliPlayerTransportControls/BiliPlayerTransportControls.Properties.cs

@@ -3,6 +3,7 @@
 using Richasy.Bili.Models.Enums.App;
 using Richasy.Bili.ViewModels.Uwp;
 using Richasy.Bili.ViewModels.Uwp.Common;
+using Windows.UI.Input;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Controls.Primitives;
@@ -106,6 +107,7 @@ public partial class BiliPlayerTransportControls
         private VisualStateGroup _visibilityStateGroup;
         private Button _formatButton;
         private Button _liveQualityButton;
+        private GestureRecognizer _gestureRecognizer;
 
         private int _segmentIndex;
         private double _cursorStayTime;
@@ -122,6 +124,7 @@ public partial class BiliPlayerTransportControls
         private PlayerManipulationType _manipulationType = PlayerManipulationType.None;
 
         private bool _isTouch = false;
+        private bool _isHolding = false;
 
         /// <summary>
         /// 实例.

src/App/Controls/Player/BiliPlayerTransportControls/BiliPlayerTransportControls.cs

@@ -14,6 +14,7 @@
 using Richasy.Bili.ViewModels.Uwp;
 using Windows.Foundation;
 using Windows.Media.Playback;
+using Windows.UI.Input;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Controls.Primitives;
@@ -109,6 +110,8 @@ protected override void OnApplyTemplate()
             _formatButton = GetTemplateChild(FormatButtonName) as Button;
             _liveQualityButton = GetTemplateChild(LiveQualityButtonName) as Button;
             _rootGrid = GetTemplateChild(RootGridName) as Grid;
+            _gestureRecognizer = new GestureRecognizer();
+            _gestureRecognizer.GestureSettings = GestureSettings.HoldWithMouse | GestureSettings.Hold;
 
             _fullWindowPlayModeButton.Click += OnPlayModeButtonClick;
             _fullScreenPlayModeButton.Click += OnPlayModeButtonClick;
@@ -119,6 +122,11 @@ protected override void OnApplyTemplate()
             _interactionControl.ManipulationStarted += OnInteractionControlManipulationStarted;
             _interactionControl.ManipulationDelta += OnInteractionControlManipulationDelta;
             _interactionControl.ManipulationCompleted += OnInteractionControlManipulationCompleted;
+            _interactionControl.PointerPressed += OnInteractionControlPointerPressed;
+            _interactionControl.PointerMoved += OnInteractionControlPointerMoved;
+            _interactionControl.PointerReleased += OnInteractionControlPointerReleased;
+            _interactionControl.PointerCanceled += OnInteractionControlPointerCanceled;
+            _gestureRecognizer.Holding += OnGestureRecognizerHoldingAsync;
             _backButton.Click += OnBackButtonClick;
             _danmakuBarVisibilityButton.Click += OnDanmakuBarVisibilityButtonClick;
             _homeButton.Click += OnHomeButtonClickAsync;
@@ -234,6 +242,18 @@ private void OnSendDanmakuSucceeded(object sender, string e)
             _danmakuView.SendDanmu(model);
         }
 
+        private void OnInteractionControlPointerCanceled(object sender, PointerRoutedEventArgs e)
+            => _gestureRecognizer.ProcessUpEvent(e.GetCurrentPoint(this));
+
+        private void OnInteractionControlPointerReleased(object sender, PointerRoutedEventArgs e)
+            => _gestureRecognizer.ProcessUpEvent(e.GetCurrentPoint(this));
+
+        private void OnInteractionControlPointerMoved(object sender, PointerRoutedEventArgs e)
+            => _gestureRecognizer.ProcessMoveEvents(e.GetIntermediatePoints(this));
+
+        private void OnInteractionControlPointerPressed(object sender, PointerRoutedEventArgs e)
+            => _gestureRecognizer.ProcessDownEvent(e.GetCurrentPoint(this));
+
         private void OnBackButtonClick(object sender, RoutedEventArgs e)
         {
             ViewModel.PlayerDisplayMode = PlayerDisplayMode.Default;
@@ -295,6 +315,12 @@ private async void OnLiveQualityListViewSelectionChangedAsync(object sender, Sel
 
         private void OnInteractionControlTapped(object sender, TappedRoutedEventArgs e)
         {
+            if (_isHolding)
+            {
+                _isHolding = false;
+                return;
+            }
+
             if (e.PointerDeviceType == Windows.Devices.Input.PointerDeviceType.Mouse)
             {
                 _isTouch = false;
@@ -824,6 +850,30 @@ private void OnInteractionControlManipulationCompleted(object sender, Manipulati
             _manipulationBeforeIsPlay = false;
         }
 
+        private async void OnGestureRecognizerHoldingAsync(GestureRecognizer sender, HoldingEventArgs args)
+        {
+            if (args.ContactCount == 1)
+            {
+                _isHolding = true;
+                if (args.HoldingState == HoldingState.Started)
+                {
+                    // 开启倍速播放.
+                    var isStarted = await ViewModel.StartTempQuickPlayAsync();
+                    if (isStarted)
+                    {
+                        var resourceToolkit = ServiceLocator.Instance.GetService<IResourceToolkit>();
+                        ShowTempMessage(resourceToolkit.GetLocaleString(LanguageNames.StartQuickPlay));
+                    }
+                }
+                else
+                {
+                    // 停止倍速播放.
+                    await ViewModel.StopTempQuickPlayAsync();
+                    HideTempMessage();
+                }
+            }
+        }
+
         private void OnInteractionControlManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
         {
             if (ViewModel.PlayerStatus != PlayerStatus.Playing && ViewModel.PlayerStatus != PlayerStatus.Pause)

src/App/Resources/Strings/zh-CN/Resources.resw

@@ -1424,6 +1424,9 @@ BV号以 BV 开头，是一串英文数字混合的编号， 如 BV1JL4y1875w</v
   <data name="StartMethodDescription" xml:space="preserve">
     <value>您可以选择应用的启动方式以更快速地打开应用</value>
   </data>
+  <data name="StartQuickPlay" xml:space="preserve">
+    <value>开始倍速播放</value>
+  </data>
   <data name="Startup" xml:space="preserve">
     <value>自启动</value>
   </data>

src/Models/Models.Enums/App/LanguageNames.cs

@@ -503,6 +503,7 @@ public enum LanguageNames
         SomeoneLiveRoom,
         FixContent,
         UnfixContent,
+        StartQuickPlay,
 #pragma warning restore SA1602 // Enumeration items should be documented
     }
 }

src/ViewModels/ViewModels.Uwp/Common/PlayerViewModel/PlayerViewModel.Properties.cs

@@ -66,6 +66,9 @@ public partial class PlayerViewModel
 
         private bool _isFirstShowHistory;
 
+        private double _originalPlayRate;
+        private double _originalDanmakuSpeed;
+
         /// <summary>
         /// 让直播消息视图滚动到底部.
         /// </summary>

src/ViewModels/ViewModels.Uwp/Common/PlayerViewModel/PlayerViewModel.cs

@@ -878,6 +878,51 @@ public async Task ToggleFixStateAsync()
             IsContentFixed = !IsContentFixed;
         }
 
+        /// <summary>
+        /// 开始临时快进.
+        /// </summary>
+        /// <returns><see cref="Task"/>.</returns>
+        public async Task<bool> StartTempQuickPlayAsync()
+        {
+            if (_currentVideoPlayer == null
+                || _currentVideoPlayer.PlaybackSession == null
+                || _currentVideoPlayer.PlaybackSession.PlaybackState != Windows.Media.Playback.MediaPlaybackState.Playing
+                || PlaybackRate >= 3)
+            {
+                return false;
+            }
+
+            await AppViewModel.Instance.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
+            {
+                _originalPlayRate = PlaybackRate;
+                _originalDanmakuSpeed = DanmakuViewModel.Instance.DanmakuSpeed;
+                PlaybackRate = PlaybackRate * 2 > 3 ? 3 : PlaybackRate * 2;
+                DanmakuViewModel.Instance.DanmakuSpeed = _originalDanmakuSpeed * 1.5 > 2 ? 2 : _originalDanmakuSpeed * 1.5;
+            });
+
+            return true;
+        }
+
+        /// <summary>
+        /// 停止临时快进.
+        /// </summary>
+        /// <returns><see cref="Task"/>.</returns>
+        public async Task StopTempQuickPlayAsync()
+        {
+            if (_originalDanmakuSpeed <= 0 || _originalPlayRate <= 0)
+            {
+                return;
+            }
+
+            await AppViewModel.Instance.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
+            {
+                PlaybackRate = _originalPlayRate;
+                DanmakuViewModel.Instance.DanmakuSpeed = _originalDanmakuSpeed;
+                _originalPlayRate = 0;
+                _originalDanmakuSpeed = 0;
+            });
+        }
+
         private void OnDataRequested(DataTransferManager sender, DataRequestedEventArgs args)
         {
             var request = args.Request;