diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/JSPluginElementFunctions.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSPluginElementFunctions.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,126 @@
+/*
+ *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "config.h"
+#include "JSPluginElementFunctions.h"
+
+#include "Bridge.h"
+#include "HTMLNames.h"
+#include "HTMLPlugInElement.h"
+#include "JSHTMLElement.h"
+#include "runtime_object.h"
+
+using namespace JSC;
+
+namespace WebCore {
+
+using namespace Bindings;
+using namespace HTMLNames;
+
+// Runtime object support code for JSHTMLAppletElement, JSHTMLEmbedElement and JSHTMLObjectElement.
+
+Instance* pluginInstance(Node* node)
+{
+    if (!node)
+        return 0;
+    if (!(node->hasTagName(objectTag) || node->hasTagName(embedTag) || node->hasTagName(appletTag)))
+        return 0;
+    HTMLPlugInElement* plugInElement = static_cast<HTMLPlugInElement*>(node);
+    // The plugin element holds an owning reference, so we don't have to.
+    Instance* instance = plugInElement->getInstance().get();
+    if (!instance || !instance->rootObject())
+        return 0;
+    return instance;
+}
+
+static RuntimeObject* getRuntimeObject(ExecState* exec, Node* node)
+{
+    Instance* instance = pluginInstance(node);
+    if (!instance)
+        return 0;
+    return instance->createRuntimeObject(exec);
+}
+
+JSValue runtimeObjectPropertyGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
+{
+    JSHTMLElement* thisObj = static_cast<JSHTMLElement*>(asObject(slotBase));
+    HTMLElement* element = static_cast<HTMLElement*>(thisObj->impl());
+    RuntimeObject* runtimeObject = getRuntimeObject(exec, element);
+    if (!runtimeObject)
+        return jsUndefined();
+    return runtimeObject->get(exec, propertyName);
+}
+
+bool runtimeObjectCustomGetOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot, JSHTMLElement* element)
+{
+    RuntimeObject* runtimeObject = getRuntimeObject(exec, element->impl());
+    if (!runtimeObject)
+        return false;
+    if (!runtimeObject->hasProperty(exec, propertyName))
+        return false;
+    slot.setCustom(element, runtimeObjectPropertyGetter);
+    return true;
+}
+
+bool runtimeObjectCustomGetOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor, JSHTMLElement* element)
+{
+    RuntimeObject* runtimeObject = getRuntimeObject(exec, element->impl());
+    if (!runtimeObject)
+        return false;
+    if (!runtimeObject->hasProperty(exec, propertyName))
+        return false;
+    PropertySlot slot;
+    slot.setCustom(element, runtimeObjectPropertyGetter);
+    // While we don't know what the plugin allows, we do know that we prevent
+    // enumeration or deletion of properties, so we mark plugin properties
+    // as DontEnum | DontDelete
+    descriptor.setDescriptor(slot.getValue(exec, propertyName), DontEnum | DontDelete);
+    return true;
+}
+
+bool runtimeObjectCustomPut(ExecState* exec, const Identifier& propertyName, JSValue value, HTMLElement* element, PutPropertySlot& slot)
+{
+    RuntimeObject* runtimeObject = getRuntimeObject(exec, element);
+    if (!runtimeObject)
+        return 0;
+    if (!runtimeObject->hasProperty(exec, propertyName))
+        return false;
+    runtimeObject->put(exec, propertyName, value, slot);
+    return true;
+}
+
+static EncodedJSValue JSC_HOST_CALL callPlugin(ExecState* exec)
+{
+    Instance* instance = pluginInstance(static_cast<JSHTMLElement*>(exec->callee())->impl());
+    instance->begin();
+    JSValue result = instance->invokeDefaultMethod(exec);
+    instance->end();
+    return JSValue::encode(result);
+}
+
+CallType runtimeObjectGetCallData(HTMLElement* element, CallData& callData)
+{
+    Instance* instance = pluginInstance(element);
+    if (!instance || !instance->supportsInvokeDefaultMethod())
+        return CallTypeNone;
+    callData.native.function = callPlugin;
+    return CallTypeHost;
+}
+
+} // namespace WebCore