From aab74ad04ed08d711ddf80a6a3f72538281bb23d Mon Sep 17 00:00:00 2001
From: Jiyun Yang <ji.yang@samsung.com>
Date: Tue, 3 Dec 2024 18:37:08 +0900
Subject: [PATCH] [NUI] Notify background change with magic keyword

Signed-off-by: Jiyun Yang <ji.yang@samsung.com>
---
 src/Tizen.NUI/src/public/BaseComponents/View.cs            | 3 +++
 src/Tizen.NUI/src/public/BaseComponents/ViewInternal.cs    | 7 +++++++
 .../src/public/BaseComponents/ViewPublicMethods.cs         | 2 ++
 3 files changed, 12 insertions(+)

diff --git a/src/Tizen.NUI/src/public/BaseComponents/View.cs b/src/Tizen.NUI/src/public/BaseComponents/View.cs
index 5afa20ab158..a0741f5c854 100755
--- a/src/Tizen.NUI/src/public/BaseComponents/View.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/View.cs
@@ -944,6 +944,7 @@ public Color BackgroundColor
                     SetInternalBackgroundColorProperty(this, null, value);
                 }
                 NotifyPropertyChanged();
+                NotifyBackgroundChanged();
             }
         }
 
@@ -975,6 +976,7 @@ public string BackgroundImage
                     SetInternalBackgroundImageProperty(this, null, value);
                 }
                 NotifyPropertyChanged();
+                NotifyBackgroundChanged();
             }
         }
 
@@ -1039,6 +1041,7 @@ public Tizen.NUI.PropertyMap Background
                     SetInternalBackgroundProperty(this, null, value);
                 }
                 NotifyPropertyChanged();
+                NotifyBackgroundChanged();
             }
         }
 
diff --git a/src/Tizen.NUI/src/public/BaseComponents/ViewInternal.cs b/src/Tizen.NUI/src/public/BaseComponents/ViewInternal.cs
index b1cf2fe1f96..70a9557a46f 100755
--- a/src/Tizen.NUI/src/public/BaseComponents/ViewInternal.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/ViewInternal.cs
@@ -1964,5 +1964,12 @@ private void disposeDebugging(DisposeTypes type)
             }
         }
 
+        private void NotifyBackgroundChanged()
+        {
+            // NOTE
+            // Notify background modifications caused by one of BackgroundColor, BackgroundImage, Background and ClearBackground()
+            // By using reserved keyword "_background", user may get notified all background modifications.
+            NotifyPropertyChanged("_background");
+        }
     }
 }
diff --git a/src/Tizen.NUI/src/public/BaseComponents/ViewPublicMethods.cs b/src/Tizen.NUI/src/public/BaseComponents/ViewPublicMethods.cs
index aa9392309cd..4ed34092100 100755
--- a/src/Tizen.NUI/src/public/BaseComponents/ViewPublicMethods.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/ViewPublicMethods.cs
@@ -310,6 +310,8 @@ public void ClearBackground()
         {
             Interop.View.ClearBackground(SwigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+
+            NotifyBackgroundChanged();
         }
 
         /// <summary>