modules/javafx.web/src/main/native/Source/WebCore/platform/java/DragClientJava.cpp

*** 143,152 ****
--- 143,153 ----
          "II"
          "II"
          "[Ljava/lang/String;"
          "[Ljava/lang/Object;"
          "Z"
+         "Ljava/lang/String;"
          ")V");
      ASSERT(mid);
  
      static JGClass clsString(env->FindClass("java/lang/String"));
      static JGClass clsObject(env->FindClass("java/lang/Object"));
*** 197,206 ****
          eventPos.y() - dragImageOrigin.y(),
          eventPos.x(),
          eventPos.y(),
          jobjectArray(jmimeTypes),
          jobjectArray(jvalues),
!         bool_to_jbool(isImageSource));
      CheckAndClearException(env);
  }
  
  } // namespace WebCore
--- 198,226 ----
          eventPos.y() - dragImageOrigin.y(),
          eventPos.x(),
          eventPos.y(),
          jobjectArray(jmimeTypes),
          jobjectArray(jvalues),
!         bool_to_jbool(isImageSource),
!         (jstring)m_fileExt.toJavaString(env));
      CheckAndClearException(env);
  }
  
+ void DragClientJava::updateFileExtension(const URL& imageURL)
+ {
+     if (imageURL.isNull() || imageURL.isEmpty()) {
+         m_fileExt = emptyString();
+         return;
+     }
+ 
+     String lastPathComponent = imageURL.lastPathComponent();
+     String extension;
+     size_t dotOffset = lastPathComponent.reverseFind('.');
+     if (dotOffset != notFound)
+         extension = lastPathComponent.substring(dotOffset + 1);
+     else
+         extension = "png"; // Fallback to png if image does not have an extension
+ 
+     m_fileExt = extension;
+ }
+ 
  } // namespace WebCore