From 401976e280c2306e2d39da8faf2fe98e8a5fc127 Mon Sep 17 00:00:00 2001
From: Jethro Alter <Jethro.Alter@gmail.com>
Date: Sun, 29 Sep 2019 17:19:25 +0200
Subject: [PATCH] Add option to loop videos

Ref: #496
---
 .../ViewerPanel.xaml                          | 13 +++++++
 .../ViewerPanel.xaml.cs                       | 39 +++++++++++++++++--
 2 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml
index ce5d409..8c1111f 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml
+++ b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml
@@ -145,6 +145,19 @@
                         </Style>
                     </Button.Style>
                 </Button>
+                <Button x:Name="buttonLoop" DockPanel.Dock="Left">
+                    <Button.Style>
+                        <Style TargetType="Button" BasedOn="{StaticResource ControlButtonStyle}">
+                            <Setter Property="Content" Value="&#xE72C;" />
+                            <Style.Triggers>
+                                <DataTrigger Binding="{Binding ShouldLoop, ElementName=viewerPanel}"
+                                             Value="True">
+                                    <Setter Property="Content" Value="&#xE777;" />
+                                </DataTrigger>
+                            </Style.Triggers>
+                        </Style>
+                    </Button.Style>
+                </Button>
                 <Button x:Name="buttonMute" DockPanel.Dock="Right">
                     <Button.Style>
                         <Style TargetType="Button" BasedOn="{StaticResource ControlButtonStyle}">
diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml.cs b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml.cs
index d26b001..ebb48a1 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml.cs
@@ -48,6 +48,7 @@ namespace QuickLook.Plugin.VideoViewer
         private bool _hasVideo;
         private bool _isPlaying;
         private bool _wasPlaying;
+        private bool _shouldLoop;
 
         public ViewerPanel(ContextObject context)
         {
@@ -70,6 +71,7 @@ namespace QuickLook.Plugin.VideoViewer
             mediaElement.MediaFailed += MediaFailed;
 
             buttonPlayPause.Click += TogglePlayPause;
+            buttonLoop.Click += ToggleShouldLoop;
             buttonTime.Click += (sender, e) => buttonTime.Tag = (string) buttonTime.Tag == "Time" ? "Length" : "Time";
             buttonMute.Click += (sender, e) => volumeSliderLayer.Visibility = Visibility.Visible;
             volumeSliderLayer.MouseDown += (sender, e) => volumeSliderLayer.Visibility = Visibility.Collapsed;
@@ -109,6 +111,23 @@ namespace QuickLook.Plugin.VideoViewer
             }
         }
 
+        public bool ShouldLoop
+        {
+            get => _shouldLoop;
+            private set
+            {
+                if (value == _shouldLoop) return;
+                _shouldLoop = value;
+                OnPropertyChanged();
+                if (!IsPlaying)
+                {
+                    IsPlaying = true;
+
+                    mediaElement.Play();
+                }
+            }
+        }
+
         public BitmapSource CoverArt
         {
             get => _coverArt;
@@ -169,10 +188,19 @@ namespace QuickLook.Plugin.VideoViewer
             if (mediaElement == null)
                 return;
 
-            IsPlaying = false;
-
             mediaElement.MediaPosition = 0;
-            mediaElement.Pause();
+            if (ShouldLoop)
+            {
+                IsPlaying = true;
+
+                mediaElement.Play();
+            }
+            else
+            {
+                IsPlaying = false;
+                
+                mediaElement.Pause();
+            }
         }
 
         private void ShowViedoControlContainer(object sender, MouseEventArgs e)
@@ -266,6 +294,11 @@ namespace QuickLook.Plugin.VideoViewer
                 mediaElement.Play();
         }
 
+        private void ToggleShouldLoop(object sender, EventArgs e)
+        {
+            ShouldLoop = !ShouldLoop;
+        }
+
         public void LoadAndPlay(string path, MediaInfo.MediaInfo info)
         {
             UpdateMeta(path, info);