Bindings for CSSOM View smooth scroll API

Source/bindings/v8/custom/V8ElementCustom.cpp

+/*
+ * Copyright (C) 2014 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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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 "V8Element.h"
+
+#include "RuntimeEnabledFeatures.h"
+#include "bindings/v8/Dictionary.h"
+#include "bindings/v8/ExceptionState.h"
+#include "bindings/v8/V8Binding.h"
+#include "bindings/v8/V8BindingMacros.h"
+#include "core/dom/Element.h"
+
+namespace WebCore {
+
+void V8Element::scrollLeftAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
+{
+    ExceptionState exceptionState(ExceptionState::SetterContext, "scrollLeft", "Element", info.Holder(), info.GetIsolate());
+    Element* imp = V8Element::toNative(info.Holder());
+
+    if (RuntimeEnabledFeatures::cssomSmoothScrollEnabled() && value->IsObject()) {
+        V8TRYCATCH_VOID(Dictionary, scrollOptionsHorizontal, Dictionary(value, info.GetIsolate()));
+        imp->setScrollLeft(scrollOptionsHorizontal, exceptionState);
+        exceptionState.throwIfNeeded();
+        return;
+    }
+
+    V8TRYCATCH_EXCEPTION_VOID(int, position, toInt32(value, exceptionState), exceptionState);
+    imp->setScrollLeft(position);
+}
+
+void V8Element::scrollTopAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
+{
+    ExceptionState exceptionState(ExceptionState::SetterContext, "scrollTop", "Element", info.Holder(), info.GetIsolate());
+    Element* imp = V8Element::toNative(info.Holder());
+
+    if (RuntimeEnabledFeatures::cssomSmoothScrollEnabled() && value->IsObject()) {
+        V8TRYCATCH_VOID(Dictionary, scrollOptionsVertical, Dictionary(value, info.GetIsolate()));
+        imp->setScrollTop(scrollOptionsVertical, exceptionState);
+        exceptionState.throwIfNeeded();
+        return;
+    }
+
+    V8TRYCATCH_EXCEPTION_VOID(int, position, toInt32(value, exceptionState), exceptionState);
+    imp->setScrollTop(position);
+}
+
+} // namespace WebCore