[NUI] UIColor supports token

* UIColor supportes token
* Token table is managed by internal TokenManager

Signed-off-by: Jiyun Yang <[email protected]>

src/Tizen.NUI.Extension/Internal/ViewPropertySetters.cs

@@ -0,0 +1,39 @@
+/*
+ * Copyright(c) 2025 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.ComponentModel;
+using Tizen.NUI;
+using Tizen.NUI.BaseComponents;
+
+namespace Tizen.NUI.Extension
+{
+    internal static class ViewPropertySetters
+    {
+        public static readonly PropertySetter<View, UIColor> BackgroundColor = new ("_background", (view, value) => view.SetBackgroundColor(value));
+
+        public static readonly PropertySetter<View, UIColor> BorderlineColor = new (nameof(View.BorderlineColor), (view, value) =>
+        {
+            //FIXME: we need to set UI value type directly without converting reference value.
+            view.BorderlineColor = value.ToReferenceType();
+        });
+
+        public static readonly PropertySetter<View, UIColor> Color = new (nameof(View.Color), (view, value) =>
+        {
+            //FIXME: we need to set UI value type directly without converting reference value.
+            view.Color = value.ToReferenceType();
+        });
+    }
+}

src/Tizen.NUI.Extension/Markup/ViewExtensions.cs

@@ -84,8 +84,7 @@ public static T Color<T>(this T view, uint value, float alpha) where T : View
         /// <returns>The view itself.</returns>
         public static T Color<T>(this T view, UIColor color) where T : View
         {
-            //FIXME: we need to set UI value type directly without converting reference value.
-            view.Color = color.ToReferenceType();
+            color.Apply(view, ViewPropertySetters.Color);
             return view;
         }
 
@@ -132,7 +131,7 @@ public static T BackgroundColor<T>(this T view, uint value, float alpha) where T
         /// <returns>The view itself.</returns>
         public static T BackgroundColor<T>(this T view, UIColor color) where T : View
         {
-            view.SetBackgroundColor(color);
+            color.Apply(view, ViewPropertySetters.BackgroundColor);
             return view;
         }
 
@@ -416,8 +415,7 @@ public static T BorderlineColor<T>(this T view, uint value, float alpha) where T
         /// <returns>The view itself.</returns>
         public static T BorderlineColor<T>(this T view, UIColor color) where T : View
         {
-            //FIXME: we need to set UI value type directly without converting reference value.
-            view.BorderlineColor = color.ToReferenceType();
+            color.Apply(view, ViewPropertySetters.BorderlineColor);
             return view;
         }
 
@@ -447,7 +445,7 @@ public static T Borderline<T>(this T view, float width, UIColor color, float off
         {
             view.BorderlineWidth = width;
             //FIXME: we need to set UI value type directly without converting reference value.
-            view.BorderlineColor = color.ToReferenceType();
+            view.BorderlineColor(color);
             view.BorderlineOffset = offset;
             return view;
         }

src/Tizen.NUI/src/devel/Common/IPropertySetter.cs

@@ -0,0 +1,37 @@
+/*
+ * Copyright(c) 2025 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.ComponentModel;
+
+namespace Tizen.NUI
+{
+    /// <summary>
+    /// The interface for property setter.
+    /// </summary>
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public interface IPropertySetter<TValue>
+    {
+        /// <summary>
+        /// The name of the property.
+        /// </summary>
+        string Name { get; }
+
+        /// <summary>
+        /// Invokes property setter.
+        /// </summary>
+        void Invoke(object target, TValue value);
+    }
+}

src/Tizen.NUI/src/devel/Common/IToken.cs

@@ -0,0 +1,43 @@
+/*
+ * Copyright(c) 2025 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.ComponentModel;
+using Tizen.NUI.BaseComponents;
+
+namespace Tizen.NUI
+{
+    /// <summary>
+    /// Interface for token. Token is a key-value pair that can be applied to the target. It has an id and value. The value type is generic.
+    /// </summary>
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public interface IToken<T>
+    {
+        /// <summary>
+        /// The unique identifier of the token.
+        /// </summary>
+        string Id { get; }
+
+        /// <summary>
+        /// The value of the token.
+        /// </summary>
+        T Value { get; }
+
+        /// <summary>
+        /// Apply the token to target.
+        /// </summary>
+        void Apply<TView>(TView view, IPropertySetter<T> propertySetter) where TView : View;
+    }
+}

src/Tizen.NUI/src/devel/Common/ITokenTable.cs

@@ -0,0 +1,51 @@
+/*
+ * Copyright(c) 2025 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using Tizen.NUI.BaseComponents;
+
+namespace Tizen.NUI
+{
+    /// <summary>
+    /// The interface for a token table.
+    /// </summary>
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public interface ITokenTable<T>
+    {
+        /// <summary>
+        /// The event which is invoked when the resource table is updated.
+        /// </summary>
+        event EventHandler Updated;
+
+        /// <summary>
+        /// The method to get the value from the resource table.
+        /// </summary>
+        bool TryGetValue(string id, out T result);
+
+        /// <summary>
+        /// The method to update the resource table.
+        /// </summary>
+        void Update(IDictionary<string, T> table);
+
+        /// <summary>
+        /// The method to bind target with token.
+        /// When table is updated, binded view will be updated.
+        /// </summary>
+        void Bind(View target, IPropertySetter<T> setter, IToken<T> token);
+    }
+}

src/Tizen.NUI/src/devel/Common/PropertySetter.cs

@@ -0,0 +1,51 @@
+/*
+ * Copyright(c) 2025 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System;
+using System.ComponentModel;
+
+namespace Tizen.NUI
+{
+    /// <summary>
+    /// Describes a property setter.
+    /// </summary>
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public class PropertySetter<TView, TValue> : IPropertySetter<TValue>
+    {
+        private Action<TView, TValue> _setter;
+
+        /// <summary>
+        /// Creates an instance of the PropertySetter class.
+        /// </summary>
+        /// <param name="name">The name of the property.</param>
+        /// <param name="setter">The action to set the property.</param>
+        public PropertySetter(string name, Action<TView, TValue> setter)
+        {
+            Name = name;
+            _setter = setter;
+        }
+
+        /// <inheritdoc/>
+        public string Name { get; }
+
+        /// <inheritdoc/>
+        public virtual void Invoke(object target, TValue value)
+        {
+            if (target is TView typedTarget)
+                _setter(typedTarget, value);
+        }
+    }
+}

src/Tizen.NUI/src/devel/Common/TokenType.cs

@@ -0,0 +1,39 @@
+/*
+ * Copyright(c) 2025 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+using System.ComponentModel;
+
+namespace Tizen.NUI
+{
+    /// <summary>
+    /// The type of token.
+    /// </summary>
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public enum TokenType
+    {
+        /// <summary> The color token.</summary>
+        Color,
+
+        /// <summary> The shadow token.</summary>
+        Shadow,
+
+        /// <summary> The font family token.</summary>
+        FontFamily,
+
+        /// <summary> The font weight token.</summary>
+        FontSize
+    }
+}