Move IAsyncReloadable.cs, IReloadable.cs, ISavable.cs to IFeatures

Flow.Launcher.Plugin/Features.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Threading;
+
+namespace Flow.Launcher.Plugin
+{
+    /// <summary>
+    /// Base Interface for Flow's special plugin feature interface
+    /// </summary>
+    public interface IFeatures
+    {
+    }
+}

Flow.Launcher.Plugin/Interfaces/IAsyncReloadable.cs

@@ -13,8 +13,8 @@ namespace Flow.Launcher.Plugin
     /// The command that allows user to manual reload is exposed via Plugin.Sys, and
     /// it will call the plugins that have implemented this interface.
     /// </summary>
-    public interface IAsyncReloadable
+    public interface IAsyncReloadable : IFeatures
     {
         Task ReloadDataAsync();
     }
-}
+}

Flow.Launcher.Plugin/Interfaces/IContextMenu.cs

@@ -0,0 +1,9 @@
+using System.Collections.Generic;
+
+namespace Flow.Launcher.Plugin
+{
+    public interface IContextMenu : IFeatures
+    {
+        List<Result> LoadContextMenus(Result selectedResult);
+    }
+}

Flow.Launcher.Plugin/Interfaces/IPluginI18n.cs

@@ -0,0 +1,12 @@
+namespace Flow.Launcher.Plugin
+{
+    /// <summary>
+    /// Represent plugins that support internationalization
+    /// </summary>
+    public interface IPluginI18n : IFeatures
+    {
+        string GetTranslatedPluginTitle();
+
+        string GetTranslatedPluginDescription();
+    }
+}

Flow.Launcher.Plugin/Interfaces/IReloadable.cs

@@ -15,8 +15,8 @@
     /// If requiring reloading data asynchronously, please use the IAsyncReloadable interface
     /// </para>
     /// </summary>
-    public interface IReloadable
+    public interface IReloadable : IFeatures
     {
         void ReloadData();
     }
-}
+}

Flow.Launcher.Plugin/Interfaces/IResultUpdated.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace Flow.Launcher.Plugin
+{
+    public interface IResultUpdated : IFeatures
+    {
+        event ResultUpdatedEventHandler ResultsUpdated;
+    }
+
+    public delegate void ResultUpdatedEventHandler(IResultUpdated sender, ResultUpdatedEventArgs e);
+
+    public class ResultUpdatedEventArgs : EventArgs
+    {
+        public List<Result> Results;
+        public Query Query;
+        public CancellationToken Token { get; init; }
+    }
+}

Flow.Launcher.Plugin/Interfaces/ISavable.cs

@@ -5,8 +5,8 @@
     /// Otherwise if LoadSettingJsonStorage or SaveSettingJsonStorage has been callded,
     /// plugin settings will be automatically saved (see Flow.Launcher/PublicAPIInstance.SavePluginSettings) by Flow
     /// </summary>
-    public interface ISavable
+    public interface ISavable : IFeatures
     {
         void Save();
     }
-}
+}

Flow.Launcher.Plugin/README.md

@@ -3,4 +3,4 @@
 
 * Defines base objects and interfaces for plugins
 * Plugin authors making C# plugins should reference this DLL via nuget
-* Contains base commands used by all plugins
+* Contains commands and models that can be used by plugins

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -135,14 +135,17 @@ private void RegisterResultsUpdatedEvent()
                 var plugin = (IResultUpdated)pair.Plugin;
                 plugin.ResultsUpdated += (s, e) =>
                 {
-                    if (e.Query.RawQuery == QueryText) // TODO: allow cancellation
+                    if (e.Query.RawQuery != QueryText || e.Token.IsCancellationRequested)
                     {
-                        PluginManager.UpdatePluginMetadata(e.Results, pair.Metadata, e.Query);
-                        if (!_resultsUpdateChannelWriter.TryWrite(new ResultsForUpdate(e.Results, pair.Metadata, e.Query, _updateToken)))
-                        {
-                            Log.Error("MainViewModel", "Unable to add item to Result Update Queue");
-                        }
-                        ;
+                        return;
+                    }
+
+                    var token = e.Token == default ? _updateToken : e.Token;
+
+                    PluginManager.UpdatePluginMetadata(e.Results, pair.Metadata, e.Query);
+                    if (!_resultsUpdateChannelWriter.TryWrite(new ResultsForUpdate(e.Results, pair.Metadata, e.Query, token)))
+                    {
+                        Log.Error("MainViewModel", "Unable to add item to Result Update Queue");
                     }
                 };
             }
@@ -460,7 +463,7 @@ private void QueryHistory()
         }
 
         private readonly IReadOnlyList<Result> _emptyResult = new List<Result>();
-        
+
         private async void QueryResults()
         {
             _updateSource?.Cancel();
@@ -554,7 +557,7 @@ async Task QueryTask(PluginPair plugin)
                 await Task.Yield();
 
                 IReadOnlyList<Result> results = await PluginManager.QueryForPluginAsync(plugin, query, currentCancellationToken);
-                
+
                 currentCancellationToken.ThrowIfCancellationRequested();
 
                 results ??= _emptyResult;