Implemented custom support for scrollLeft/scrollTop in Element

Source/bindings/dart/custom/DartElementCustom.cpp

 // Copyright 2011, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //    * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //    * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "config.h"
 #include "DartElement.h"
 
 #include "DartElement.h"
 #include "DartHTMLElement.h"
 #include "DartSVGElement.h"
+#include "RuntimeEnabledFeatures.h"
 #include "bindings/dart/DartDOMWrapper.h"
 
 namespace WebCore {
 
 Dart_Handle DartElement::createWrapper(DartDOMData* domData, Element* element)
 {
     if (!element)
         return Dart_Null();
 
     if (element->isHTMLElement())
         return DartHTMLElement::createWrapper(domData, static_cast<HTMLElement*>(element));
     if (element->isSVGElement())
         return DartSVGElement::createWrapper(domData, static_cast<SVGElement*>(element));
     return DartDOMWrapper::createWrapper<DartElement>(domData, element);
 }
 
 namespace DartElementInternal {
 
-void scrollLeftGetter(Dart_NativeArguments args)
-{
-    {
-        Element* receiver = DartDOMWrapper::receiver< Element >(args);
-
-        DartUtilities::setDartIntegerReturnValue(args, receiver->scrollLeft());
-        return;
-    }
-}
-
-void scrollTopGetter(Dart_NativeArguments args)
-{
-    {
-        Element* receiver = DartDOMWrapper::receiver< Element >(args);
-
-        DartUtilities::setDartIntegerReturnValue(args, receiver->scrollTop());
-        return;
-    }
-}
 
 void scrollLeftSetter(Dart_NativeArguments args)
 {
-    // FIXMEDART: implement
+    Dart_Handle exception = 0;
+    {
+        Element* receiver = DartDOMWrapper::receiver<Element>(args);
+
+        // FIXME: The IDL now specifies an option to pass in a dictionary
+        // instead of just an integer.
+        int scrollLeft = DartUtilities::dartToInt(args, 1, exception);
+        if (exception)
+            goto fail;
+
+        receiver->setScrollLeft(scrollLeft);
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
     ASSERT_NOT_REACHED();
 }
 
 void scrollTopSetter(Dart_NativeArguments args)
 {
-    // FIXMEDART: implement
+    Dart_Handle exception = 0;
+    {
+        Element* receiver = DartDOMWrapper::receiver<Element>(args);
+
+        // FIXME: The IDL now specifies an option to pass in a dictionary
+        // instead of just an integer.
+        int scrollTop = DartUtilities::dartToInt(args, 1, exception);
+        if (exception)
+            goto fail;
+
+        receiver->setScrollTop(scrollTop);
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
     ASSERT_NOT_REACHED();
 }
 
 }
 
 }