支持播放速率快速切换 (#874)

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

@@ -59,6 +59,7 @@ public partial class BiliPlayerTransportControls
         private const string PreviousEpisodeButtonName = "PreviousEpisodeButton";
         private const string NextEpisodeButtonName = "NextEpisodeButton";
         private const string ScreenshotButtonName = "ScreenshotButton";
+        private const string PlaybackRateNodeComboBoxName = "PlaybackRateNodeComboBox";
 
         private readonly Dictionary<int, List<DanmakuModel>> _danmakuDictionary;
 
@@ -90,6 +91,7 @@ public partial class BiliPlayerTransportControls
         private TextBlock _subtitleBlock;
         private Grid _tempMessageContainer;
         private TextBlock _tempMessageBlock;
+        private ComboBox _playbackRateNodeComboBox;
         private int _segmentIndex;
         private double _cursorStayTime;
         private double _tempMessageHoldSeconds;

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

@@ -88,6 +88,7 @@ protected override void OnApplyTemplate()
             _subtitleBlock = GetTemplateChild(SubtitleBlockName) as TextBlock;
             _tempMessageContainer = GetTemplateChild(TempMessageContaienrName) as Grid;
             _tempMessageBlock = GetTemplateChild(TempMessageBlockName) as TextBlock;
+            _playbackRateNodeComboBox = GetTemplateChild(PlaybackRateNodeComboBoxName) as ComboBox;
 
             _fullWindowPlayModeButton.Click += OnPlayModeButtonClick;
             _fullScreenPlayModeButton.Click += OnPlayModeButtonClick;
@@ -107,6 +108,7 @@ protected override void OnApplyTemplate()
             _previousEpisodeButton.Click += OnPreviousEpisodeButtonClickAsync;
             _nextEpisodeButton.Click += OnNextEpisodeButtonClickAsync;
             _screenshotButton.Click += OnScreenshotButtonClickAsync;
+            _playbackRateNodeComboBox.SelectionChanged += OnPlaybackRateNodeComboBoxSelectionChanged;
 
             if (_formatListView != null)
             {
@@ -877,6 +879,16 @@ private void OnInteractionControlManipulationStarted(object sender, Manipulation
             }
         }
 
+        private void OnPlaybackRateNodeComboBoxSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            var item = _playbackRateNodeComboBox.SelectedItem;
+            if (item is double rate)
+            {
+                ViewModel.PlaybackRate = rate;
+                _playbackRateNodeComboBox.SelectedItem = null;
+            }
+        }
+
         private void ShowTempMessage(string message)
         {
             _tempMessageContainer.Visibility = Visibility.Visible;

src/App/Controls/Player/BiliPlayerTransportControls/BiliPlayerTransportControls.xaml

@@ -651,6 +651,20 @@
                                                                             <Run Text="{loc:LocaleLocator Name=PlaybackRate}" />
                                                                             <Run Text="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=ViewModel.PlaybackRate, Mode=TwoWay}" />
                                                                         </TextBlock>
+                                                                        <ComboBox
+                                                                            x:Name="PlaybackRateNodeComboBox"
+                                                                            HorizontalAlignment="Stretch"
+                                                                            ItemsSource="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=ViewModel.PlaybackRateNodeCollection}"
+                                                                            PlaceholderText="{loc:LocaleLocator Name=QuickSelection}">
+                                                                            <ComboBox.ItemTemplate>
+                                                                                <DataTemplate>
+                                                                                    <TextBlock>
+                                                                                        <Run Text="{Binding}" />
+                                                                                        <Run Text="x" />
+                                                                                    </TextBlock>
+                                                                                </DataTemplate>
+                                                                            </ComboBox.ItemTemplate>
+                                                                        </ComboBox>
                                                                         <Slider
                                                                             x:Name="RateSlider"
                                                                             Width="200"

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

@@ -989,6 +989,9 @@ BV号以 BV 开头，是一串英文数字混合的编号， 如 BV1JL4y1875w</v
   <data name="QualitySuffix" xml:space="preserve">
     <value>加入清晰度后缀</value>
   </data>
+  <data name="QuickSelection" xml:space="preserve">
+    <value>快速选择</value>
+  </data>
   <data name="Rank" xml:space="preserve">
     <value>排行榜</value>
   </data>

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

@@ -439,6 +439,7 @@ public enum LanguageNames
         GlobalPlaybackRateDescription,
         MyFavoriteAnime,
         FirstClickTagTip,
+        QuickSelection,
 #pragma warning restore SA1602 // Enumeration items should be documented
     }
 }

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

@@ -1,6 +1,7 @@
 // Copyright (c) Richasy. All rights reserved.
 
 using System;
+using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Net;
@@ -1000,6 +1001,15 @@ private void InitializePlaybackRateProperties()
             MaxPlaybackRate = isEnhancement ? 6d : 3d;
             PlaybackRateStep = isEnhancement ? 0.2 : 0.1;
 
+            PlaybackRateNodeCollection.Clear();
+            var defaultList = new List<double> { 0.5, 0.75, 1.0, 1.25, 1.5, 2.0 };
+            if (isEnhancement)
+            {
+                defaultList = defaultList.Union(new List<double> { 2.5, 3.0, 3.5, 5.0 }).ToList();
+            }
+
+            defaultList.ForEach(p => PlaybackRateNodeCollection.Add(p));
+
             var isGlobal = _settingsToolkit.ReadLocalSetting(SettingNames.GlobalPlaybackRate, false);
             if (!isGlobal)
             {

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

@@ -306,6 +306,11 @@ public partial class PlayerViewModel
         /// </summary>
         public ObservableCollection<InteractionChoice> ChoiceCollection { get; }
 
+        /// <summary>
+        /// 播放速率节点集合.
+        /// </summary>
+        public ObservableCollection<double> PlaybackRateNodeCollection { get; }
+
         /// <summary>
         /// 当前分P.
         /// </summary>

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

@@ -45,6 +45,7 @@ public PlayerViewModel()
             StaffCollection = new ObservableCollection<UserViewModel>();
             ChoiceCollection = new ObservableCollection<InteractionChoice>();
             TagCollection = new ObservableCollection<VideoTag>();
+            PlaybackRateNodeCollection = new ObservableCollection<double>();
             _audioList = new List<DashItem>();
             _videoList = new List<DashItem>();
             _subtitleList = new List<SubtitleItem>();