From 666211dd4cecae901f0a5509447fc07e2a72feaa Mon Sep 17 00:00:00 2001
From: Jeremy <jeremy24wu@gmail.com>
Date: Tue, 28 May 2024 21:27:48 +1000
Subject: [PATCH] add plugin support for external preview

---
 Flow.Launcher.Core/Plugin/PluginManager.cs    | 32 +++++++++++++++++++
 .../Interfaces/IAsyncExternalPreview.cs       | 15 +++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 Flow.Launcher.Plugin/Interfaces/IAsyncExternalPreview.cs

diff --git a/Flow.Launcher.Core/Plugin/PluginManager.cs b/Flow.Launcher.Core/Plugin/PluginManager.cs
index f8c9a3f17..5d6751507 100644
--- a/Flow.Launcher.Core/Plugin/PluginManager.cs
+++ b/Flow.Launcher.Core/Plugin/PluginManager.cs
@@ -88,6 +88,38 @@ namespace Flow.Launcher.Core.Plugin
             }).ToArray());
         }
 
+        public static async Task OpenExternalPreviewAsync(string path, bool sendFailToast = true)
+        {
+            await Task.WhenAll(AllPlugins.Select(plugin => plugin.Plugin switch
+            {
+                IAsyncExternalPreview p => p.OpenPreviewAsync(path, sendFailToast),
+                _ => Task.CompletedTask,
+            }).ToArray());
+        }
+
+        public static async Task CloseExternalPreviewAsync()
+        {
+            await Task.WhenAll(AllPlugins.Select(plugin => plugin.Plugin switch
+            {
+                IAsyncExternalPreview p => p.ClosePreviewAsync(),
+                _ => Task.CompletedTask,
+            }).ToArray());
+        }
+
+        public static async Task SwitchExternalPreviewAsync(string path, bool sendFailToast = true)
+        {
+            await Task.WhenAll(AllPlugins.Select(plugin => plugin.Plugin switch
+            {
+                IAsyncExternalPreview p => p.SwitchPreviewAsync(path, sendFailToast),
+                _ => Task.CompletedTask,
+            }).ToArray());
+        }
+
+        public static bool UseExternalPreview()
+        {
+            return GetPluginsForInterface<IAsyncExternalPreview>().Any(x => !x.Metadata.Disabled);
+        }
+
         static PluginManager()
         {
             // validate user directory
diff --git a/Flow.Launcher.Plugin/Interfaces/IAsyncExternalPreview.cs b/Flow.Launcher.Plugin/Interfaces/IAsyncExternalPreview.cs
new file mode 100644
index 000000000..9ee05b46c
--- /dev/null
+++ b/Flow.Launcher.Plugin/Interfaces/IAsyncExternalPreview.cs
@@ -0,0 +1,15 @@
+using System.Threading.Tasks;
+
+namespace Flow.Launcher.Plugin
+{
+    public interface IAsyncExternalPreview: IFeatures
+    {
+        public Task TogglePreviewAsync(string path);
+
+        public Task OpenPreviewAsync(string path, bool sendFailToast = true);
+
+        public Task ClosePreviewAsync();
+
+        public Task SwitchPreviewAsync(string path, bool sendFailToast = true);
+    }
+}