fix WebviewVC (add webviewDidFocusRefresh script)

@@ -30,6 +30,7 @@ var timer2: DispatchSourceTimer?
     var listenersCount = 0;
 
     var webViewLoaded: Bool = false
+    var mWebviewSupermarket: Bool = false
     
     public override func loadView() {
         super.loadView();
@@ -95,6 +96,10 @@ var timer2: DispatchSourceTimer?
 
             sendWebviewDidFocus()
         }
+
+        if(mWebviewSupermarket) {
+            sendWebviewDidFocusRefresh()
+        }
     }
 
     public override func viewWillDisappear(_ animated: Bool) {
@@ -142,6 +147,7 @@ var timer2: DispatchSourceTimer?
         // Handle code when the application is about to enter the foreground
         
         sendWebviewDidFocus()
+        sendWebviewDidFocusRefresh()
     }
 
     @objc func applicationDidEnterBackground() {
@@ -162,6 +168,18 @@ var timer2: DispatchSourceTimer?
         })
     }
 
+    func sendWebviewDidFocusRefresh() {
+        let scriptSource2 = "webviewDidFocusRefresh(\(self.webviewDidFocusRefresh));"
+        
+        webView.evaluateJavaScript(scriptSource2, completionHandler: { (object, error) in
+            self.mWebviewSupermarket = false
+            // print("==== webviewDidFocus object ====")
+            // print(object)
+            // print("==== webviewDidFocus error ====")
+            // print(error)
+        })
+    }
+    
     func addApplicationObservers() {
         NotificationCenter.default.addObserver(self, selector: #selector(applicationWillEnterForeground), name: UIApplication.willEnterForegroundNotification, object: nil)
         NotificationCenter.default.addObserver(self, selector: #selector(applicationDidEnterBackground), name: UIApplication.didEnterBackgroundNotification, object: nil)
@@ -493,7 +511,7 @@ var timer2: DispatchSourceTimer?
                 
                 if (eventArray[0] == "event") {
                     if (eventArray[1] == "closeArtwork") {
-                        
+                        self.mWebviewSupermarket = false
                         self.navigationController?.popViewController(animated: true)
                         
                     } else if (eventArray[1] == "addUserTag") {
@@ -842,6 +860,9 @@ var timer2: DispatchSourceTimer?
                             }
                         }
                         
+                    } else if (eventArray[1] == "webviewRefresh") {
+                        self.mWebviewSupermarket = true
+
                     }
                     
                 }