add support to properate value changes to everywhere sle

Hyperbar.Windows.Contextual/ContextualWidget.cs

@@ -1,5 +1,3 @@
-using Hyperbar.Widgets;
-
 namespace Hyperbar.Widget.Contextual;
 
 public class ContextualWidget :

Hyperbar.Windows.MediaController/Lifecycles/MediaControllerWidget.cs

@@ -1,4 +1,3 @@
-using Hyperbar.Widgets;
 using Microsoft.Extensions.DependencyInjection;
 using Windows.Media.Control;
 

Hyperbar.Windows.Primary/PrimaryWidget.cs

@@ -1,4 +1,3 @@
-using Hyperbar.Widgets;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Hyperbar.Windows.Primary;

Hyperbar.Windows.Primary/PrimaryWidgetConfigurationHandler.cs

@@ -42,11 +42,9 @@ public class PrimaryWidgetConfigurationHandler(IMediator mediator,
             if (moved.Value is PrimaryCommandConfiguration configuration &&
                 provider.Get(configuration) is IWidgetComponentViewModel viewModel)
             {
-                await mediator.PublishAsync(
-                    new Moved<IWidgetComponentViewModel>(configuration.Order, viewModel),
+                await mediator.PublishAsync(new Moved<IWidgetComponentViewModel>(configuration.Order, viewModel),
                     moved.Key.ParentId == Guid.Empty ? nameof(PrimaryWidgetViewModel) : moved.Key.ParentId,
-                    cancellationToken
-                );
+                        cancellationToken);
 
                 cache.Remove(moved.Key);
                 cache.Add(moved.Key, moved.Value);

Hyperbar/Configuration/ConfigurationInitializer.cs

@@ -1,6 +1,7 @@
 namespace Hyperbar;
 
-public class ConfigurationInitializer<TConfiguration>(IConfigurationReader<TConfiguration> reader, 
+public class ConfigurationInitializer<TConfiguration>(IConfigurationMonitor<TConfiguration> monitor,
+    IConfigurationReader<TConfiguration> reader, 
     IConfigurationWriter<TConfiguration> writer,
     IConfigurationFactory<TConfiguration> factory) :
     IConfigurationInitializer<TConfiguration>,
@@ -8,7 +9,7 @@ public class ConfigurationInitializer<TConfiguration>(IConfigurationReader<TConf
     where TConfiguration :
     class
 {
-    public Task InitializeAsync()
+    public async Task InitializeAsync()
     {
         if (!reader.TryRead(out TConfiguration? _))
         {
@@ -18,6 +19,6 @@ public class ConfigurationInitializer<TConfiguration>(IConfigurationReader<TConf
             }
         }
 
-        return Task.CompletedTask;
+        await monitor.InitializeAsync();
     }
 }

Hyperbar/Configuration/ConfigurationMonitor.cs

@@ -2,7 +2,8 @@
 
 public class ConfigurationMonitor<TConfiguration>(IConfigurationFile<TConfiguration> configurationFile,
     IConfigurationReader<TConfiguration> reader,
-    IMediator mediator) : IInitializer
+    IMediator mediator) :
+    IConfigurationMonitor<TConfiguration>
     where TConfiguration :
     class
 {

Hyperbar/Configuration/IConfigurationFactory.cs

@@ -1,6 +1,8 @@
 namespace Hyperbar
 {
-    public interface IConfigurationFactory<TConfiguration> where TConfiguration : class
+    public interface IConfigurationFactory<TConfiguration> 
+        where TConfiguration : 
+        class
     {
         TConfiguration Create();
     }

Hyperbar/Configuration/IConfigurationMonitor.cs

@@ -0,0 +1,7 @@
+
+namespace Hyperbar;
+
+public interface IConfigurationMonitor<TConfiguration> : 
+    IInitializer
+    where TConfiguration :
+    class;

Hyperbar/Extensions/IServiceCollectionExtensions.cs

@@ -118,13 +118,12 @@ public static class IServiceCollectionExtensions
             return new ConfigurationFile<TConfiguration>(fileInfo);
         });
 
-        services.AddSingleton<IInitializer, ConfigurationMonitor<TConfiguration>>();
-
+        services.AddSingleton<IConfigurationMonitor<TConfiguration>, ConfigurationMonitor<TConfiguration>>();
         services.AddSingleton<IConfigurationReader<TConfiguration>, ConfigurationReader<TConfiguration>>();
         services.AddSingleton<IConfigurationWriter<TConfiguration>, ConfigurationWriter<TConfiguration>>();
 
-        services.AddTransient<IConfigurationFactory<TConfiguration>>(provider => new ConfigurationFactory<TConfiguration>(() => 
-            (TConfiguration)(configuration ?? provider.GetRequiredService<TConfiguration>())));
+        services.AddTransient<IConfigurationFactory<TConfiguration>>(provider => new ConfigurationFactory<TConfiguration>(() =>
+            configuration ?? provider.GetRequiredService<TConfiguration>()));
 
         services.AddTransient<IInitializer, ConfigurationInitializer<TConfiguration>>();
         services.AddTransient<IConfigurationInitializer<TConfiguration>, ConfigurationInitializer<TConfiguration>>();

Hyperbar/Lifecycles/IValue.cs

@@ -0,0 +1,9 @@
+
+namespace Hyperbar;
+
+public interface IValue<TValue> 
+    where TValue :
+    notnull, new()
+{
+    Task SetAsync(Func<TValue, TValue> updateDelgate);
+}

Hyperbar/Lifecycles/Value.cs

@@ -0,0 +1,21 @@
+namespace Hyperbar;
+
+public class Value<TValue>(IMediator mediator) :
+    IValue<TValue>
+    where TValue :
+    notnull, new ()
+{
+    private TValue? current;
+
+    public async Task SetAsync(Func<TValue, TValue> updateDelgate)
+    {
+        if (updateDelgate.Invoke(current ?? new TValue()) is TValue value)
+        {
+            if (current is null || !value.Equals(current))
+            {
+                current = value;
+                await mediator.PublishAsync(new Changed<TValue>(current));
+            }
+        }
+    }
+}

Hyperbar/Widgets/WidgetAvailability.cs

@@ -0,0 +1,6 @@
+namespace Hyperbar;
+
+public record WidgetAvailability
+{
+    public bool Value { get; set; }
+}

Hyperbar/Widgets/WidgetBuilder.cs

@@ -3,7 +3,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using System.Reflection;
 
-namespace Hyperbar.Widgets;
+namespace Hyperbar;
 
 public class WidgetBuilder<TConfiguration>(TConfiguration configuration) :
     IWidgetBuilder<TConfiguration>
@@ -30,6 +30,8 @@ public class WidgetBuilder<TConfiguration>(TConfiguration configuration) :
             services.AddScoped<IDisposer, Disposer>();
             services.AddHandler<WidgetConfigurationHandler>();
 
+            services.AddSingleton<IValue<WidgetAvailability>, Value<WidgetAvailability>>(); 
+
             //services.AddConfiguration(configuration);
             services.AddConfiguration<WidgetConfiguration>(section: configuration.GetType().Name, 
                 configuration: configuration);

Hyperbar/Widgets/WidgetConfigurationHandler.cs

@@ -1,11 +1,14 @@
 namespace Hyperbar;
 
-public class WidgetConfigurationHandler :
+public class WidgetConfigurationHandler(IValue<WidgetAvailability> widgetAvailability) :
     INotificationHandler<ConfigurationChanged<WidgetConfiguration>> 
 {
-    public Task Handle(ConfigurationChanged<WidgetConfiguration> notification, 
+    public async Task Handle(ConfigurationChanged<WidgetConfiguration> notification,
         CancellationToken cancellationToken)
     {
-        throw new NotImplementedException();
+        if (notification.Configuration is WidgetConfiguration configuration)
+        {
+            await widgetAvailability.SetAsync(args => args with { Value = configuration.IsAvailable });
+        }
     }
 }

Hyperbar/Widgets/WidgetHost.cs

@@ -1,19 +1,46 @@
 using Microsoft.Extensions.Hosting;
 
 namespace Hyperbar;
-public class WidgetHost(IHost host,
-    IEnumerable<IInitializer> initializers,
-    IProxyService<IMediator> proxyMediator) :
+public class WidgetHost :
+    INotificationHandler<Changed<WidgetAvailability>>,
     IWidgetHost
 {
+    private readonly IHost host;
+    private readonly IMediator mediator;
+    private readonly IEnumerable<IInitializer> initializers;
+    private readonly IProxyService<IMediator> proxyMediator;
+    private readonly IConfigurationInitializer<WidgetConfiguration> configurationInitializer;
+
+    public WidgetHost(IHost host,
+        IMediator mediator,
+        IEnumerable<IInitializer> initializers,
+        IProxyService<IMediator> proxyMediator,
+        IConfigurationInitializer<WidgetConfiguration> configurationInitializer)
+    {
+        this.host = host;
+        this.mediator = mediator;
+        this.initializers = initializers;
+        this.proxyMediator = proxyMediator;
+        this.configurationInitializer = configurationInitializer;
+
+        mediator.Subscribe(this);
+    }
+
     public IServiceProvider Services => host.Services;
 
+    public Task Handle(Changed<WidgetAvailability> notification,
+        CancellationToken cancellationToken)
+    {
+        throw new NotImplementedException();
+    }
+
     public async Task InitializeAsync()
     {
-        foreach (IInitializer initializer in initializers)
-        {
-            await initializer.InitializeAsync();
-        }
+        await configurationInitializer.InitializeAsync();
+        //foreach (IInitializer initializer in initializers)
+        //{
+        //    await initializer.InitializeAsync();
+        //}
 
         //if (proxyMediator.Proxy is IMediator mediator)
         //{