port from perforce

2026-04-18 22:31:51 +02:00
commit 8d0ab5b7cc
8409 changed files with 3972376 additions and 0 deletions
--- a/hgplus/bliss/Tweaky/NotifyAspect.cs
+++ b/hgplus/bliss/Tweaky/NotifyAspect.cs
@@ -0,0 +1,92 @@
+using PostSharp.Aspects;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace Tweaky
+{
+    [Serializable]
+    [global::System.AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
+    public sealed class NotifyAttribute : OnMethodBoundaryAspect
+    {
+        private List<string> additionalProperties = new List<string>();
+        public NotifyAttribute()
+        {
+        }
+
+        public NotifyAttribute(string additionalProperties)
+        {
+            if (additionalProperties != null)
+            {
+                var properties = additionalProperties.Split(',');
+                this.additionalProperties.AddRange(properties);
+            }
+        }
+
+        private string methodName;
+        private Type className;
+        private MethodInfo method;
+        private MethodInfo getter;
+
+        public override void RuntimeInitialize(System.Reflection.MethodBase method)
+        {
+            methodName = method.Name;
+            className = method.DeclaringType;
+            try
+            {
+                var methods = className.GetMethods();
+                foreach (var m in methods)
+                {
+                    if (m.Name == "RaisePropertyChanged")
+                    {
+                        this.method = m;
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                if (Application.Current != null && Application.Current.MainWindow != null && !DesignerProperties.GetIsInDesignMode(Application.Current.MainWindow))
+                    throw e;
+            }
+        }
+
+        private object oldValue;
+        public override void OnEntry(MethodExecutionArgs args)
+        {
+            if (args == null)
+                return;
+
+            if (null != getter)
+                getter = args.Instance.GetType().GetMethod("get_" + methodName.Substring(4));
+
+            if (null != getter)
+                oldValue = getter.Invoke(args.Instance, null);
+        }
+
+        public override void OnExit(MethodExecutionArgs args)
+        {
+            if (args == null)
+                return;
+
+            if (null != method)
+            {
+                if (null != getter)
+                {
+                    var newValue = getter.Invoke(args.Instance, null);
+                    if (newValue == null && oldValue == null || (newValue != null && newValue.Equals(oldValue)))
+                        return;
+                }
+
+                method.Invoke(args.Instance, new object[] { methodName.Substring(4) });
+
+                foreach (var prop in additionalProperties)
+                    method.Invoke(args.Instance, new object[] { prop });
+            }
+        }
+    }  
+}