diff -r 000000000000 -r 4f2f89ce4247 WebCore/bridge/runtime_object.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bridge/runtime_object.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,326 @@
+/*
+ * Copyright (C) 2003, 2008, 2009 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "runtime_object.h"
+
+#include "JSDOMBinding.h"
+#include "runtime_method.h"
+#include <runtime/Error.h>
+#include <runtime/ObjectPrototype.h>
+
+using namespace WebCore;
+
+namespace JSC {
+namespace Bindings {
+
+const ClassInfo RuntimeObject::s_info = { "RuntimeObject", 0, 0, 0 };
+
+RuntimeObject::RuntimeObject(ExecState* exec, JSGlobalObject* globalObject, PassRefPtr<Instance> instance)
+    // FIXME: deprecatedGetDOMStructure uses the prototype off of the wrong global object
+    // We need to pass in the right global object for "i".
+    : JSObjectWithGlobalObject(globalObject, deprecatedGetDOMStructure<RuntimeObject>(exec))
+    , m_instance(instance)
+{
+}
+
+RuntimeObject::RuntimeObject(ExecState*, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, PassRefPtr<Instance> instance)
+    : JSObjectWithGlobalObject(globalObject, structure)
+    , m_instance(instance)
+{
+}
+
+RuntimeObject::~RuntimeObject()
+{
+    if (m_instance)
+        m_instance->willDestroyRuntimeObject();
+}
+
+void RuntimeObject::invalidate()
+{
+    ASSERT(m_instance);
+    if (m_instance)
+        m_instance->willInvalidateRuntimeObject();
+    m_instance = 0;
+}
+
+JSValue RuntimeObject::fallbackObjectGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
+{
+    RuntimeObject* thisObj = static_cast<RuntimeObject*>(asObject(slotBase));
+    RefPtr<Instance> instance = thisObj->m_instance;
+
+    if (!instance)
+        return throwInvalidAccessError(exec);
+    
+    instance->begin();
+
+    Class *aClass = instance->getClass();
+    JSValue result = aClass->fallbackObject(exec, instance.get(), propertyName);
+
+    instance->end();
+            
+    return result;
+}
+
+JSValue RuntimeObject::fieldGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
+{    
+    RuntimeObject* thisObj = static_cast<RuntimeObject*>(asObject(slotBase));
+    RefPtr<Instance> instance = thisObj->m_instance;
+
+    if (!instance)
+        return throwInvalidAccessError(exec);
+    
+    instance->begin();
+
+    Class *aClass = instance->getClass();
+    Field* aField = aClass->fieldNamed(propertyName, instance.get());
+    JSValue result = aField->valueFromInstance(exec, instance.get());
+    
+    instance->end();
+            
+    return result;
+}
+
+JSValue RuntimeObject::methodGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
+{
+    RuntimeObject* thisObj = static_cast<RuntimeObject*>(asObject(slotBase));
+    RefPtr<Instance> instance = thisObj->m_instance;
+
+    if (!instance)
+        return throwInvalidAccessError(exec);
+    
+    instance->begin();
+
+    JSValue method = instance->getMethod(exec, propertyName);
+
+    instance->end();
+            
+    return method;
+}
+
+bool RuntimeObject::getOwnPropertySlot(ExecState *exec, const Identifier& propertyName, PropertySlot& slot)
+{
+    if (!m_instance) {
+        throwInvalidAccessError(exec);
+        return false;
+    }
+    
+    RefPtr<Instance> instance = m_instance;
+
+    instance->begin();
+    
+    Class *aClass = instance->getClass();
+    
+    if (aClass) {
+        // See if the instance has a field with the specified name.
+        Field *aField = aClass->fieldNamed(propertyName, instance.get());
+        if (aField) {
+            slot.setCustom(this, fieldGetter);
+            instance->end();
+            return true;
+        } else {
+            // Now check if a method with specified name exists, if so return a function object for
+            // that method.
+            MethodList methodList = aClass->methodsNamed(propertyName, instance.get());
+            if (methodList.size() > 0) {
+                slot.setCustom(this, methodGetter);
+                
+                instance->end();
+                return true;
+            }
+        }
+
+        // Try a fallback object.
+        if (!aClass->fallbackObject(exec, instance.get(), propertyName).isUndefined()) {
+            slot.setCustom(this, fallbackObjectGetter);
+            instance->end();
+            return true;
+        }
+    }
+        
+    instance->end();
+    
+    return instance->getOwnPropertySlot(this, exec, propertyName, slot);
+}
+
+bool RuntimeObject::getOwnPropertyDescriptor(ExecState *exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
+{
+    if (!m_instance) {
+        throwInvalidAccessError(exec);
+        return false;
+    }
+    
+    RefPtr<Instance> instance = m_instance;
+    instance->begin();
+    
+    Class *aClass = instance->getClass();
+    
+    if (aClass) {
+        // See if the instance has a field with the specified name.
+        Field *aField = aClass->fieldNamed(propertyName, instance.get());
+        if (aField) {
+            PropertySlot slot;
+            slot.setCustom(this, fieldGetter);
+            instance->end();
+            descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete);
+            return true;
+        } else {
+            // Now check if a method with specified name exists, if so return a function object for
+            // that method.
+            MethodList methodList = aClass->methodsNamed(propertyName, instance.get());
+            if (methodList.size() > 0) {
+                PropertySlot slot;
+                slot.setCustom(this, methodGetter);
+                instance->end();
+                descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete | ReadOnly);
+                return true;
+            }
+        }
+        
+        // Try a fallback object.
+        if (!aClass->fallbackObject(exec, instance.get(), propertyName).isUndefined()) {
+            PropertySlot slot;
+            slot.setCustom(this, fallbackObjectGetter);
+            instance->end();
+            descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete | ReadOnly | DontEnum);
+            return true;
+        }
+    }
+    
+    instance->end();
+    
+    return instance->getOwnPropertyDescriptor(this, exec, propertyName, descriptor);
+}
+
+void RuntimeObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
+{
+    if (!m_instance) {
+        throwInvalidAccessError(exec);
+        return;
+    }
+    
+    RefPtr<Instance> instance = m_instance;
+    instance->begin();
+
+    // Set the value of the property.
+    Field *aField = instance->getClass()->fieldNamed(propertyName, instance.get());
+    if (aField)
+        aField->setValueToInstance(exec, instance.get(), value);
+    else if (!instance->setValueOfUndefinedField(exec, propertyName, value))
+        instance->put(this, exec, propertyName, value, slot);
+
+    instance->end();
+}
+
+bool RuntimeObject::deleteProperty(ExecState*, const Identifier&)
+{
+    // Can never remove a property of a RuntimeObject.
+    return false;
+}
+
+JSValue RuntimeObject::defaultValue(ExecState* exec, PreferredPrimitiveType hint) const
+{
+    if (!m_instance)
+        return throwInvalidAccessError(exec);
+    
+    RefPtr<Instance> instance = m_instance;
+
+    instance->begin();
+    JSValue result = instance->defaultValue(exec, hint);
+    instance->end();
+    return result;
+}
+
+static EncodedJSValue JSC_HOST_CALL callRuntimeObject(ExecState* exec)
+{
+    ASSERT(exec->callee()->inherits(&RuntimeObject::s_info));
+    RefPtr<Instance> instance(static_cast<RuntimeObject*>(exec->callee())->getInternalInstance());
+    instance->begin();
+    JSValue result = instance->invokeDefaultMethod(exec);
+    instance->end();
+    return JSValue::encode(result);
+}
+
+CallType RuntimeObject::getCallData(CallData& callData)
+{
+    if (!m_instance)
+        return CallTypeNone;
+    
+    RefPtr<Instance> instance = m_instance;
+    if (!instance->supportsInvokeDefaultMethod())
+        return CallTypeNone;
+    
+    callData.native.function = callRuntimeObject;
+    return CallTypeHost;
+}
+
+static EncodedJSValue JSC_HOST_CALL callRuntimeConstructor(ExecState* exec)
+{
+    JSObject* constructor = exec->callee();
+    ASSERT(constructor->inherits(&RuntimeObject::s_info));
+    RefPtr<Instance> instance(static_cast<RuntimeObject*>(exec->callee())->getInternalInstance());
+    instance->begin();
+    ArgList args(exec);
+    JSValue result = instance->invokeConstruct(exec, args);
+    instance->end();
+    
+    ASSERT(result);
+    return JSValue::encode(result.isObject() ? static_cast<JSObject*>(result.asCell()) : constructor);
+}
+
+ConstructType RuntimeObject::getConstructData(ConstructData& constructData)
+{
+    if (!m_instance)
+        return ConstructTypeNone;
+    
+    RefPtr<Instance> instance = m_instance;
+    if (!instance->supportsConstruct())
+        return ConstructTypeNone;
+    
+    constructData.native.function = callRuntimeConstructor;
+    return ConstructTypeHost;
+}
+
+void RuntimeObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode)
+{
+    if (!m_instance) {
+        throwInvalidAccessError(exec);
+        return;
+    }
+
+    RefPtr<Instance> instance = m_instance;
+    
+    instance->begin();
+    instance->getPropertyNames(exec, propertyNames);
+    instance->end();
+}
+
+JSObject* RuntimeObject::throwInvalidAccessError(ExecState* exec)
+{
+    return throwError(exec, createReferenceError(exec, "Trying to access object from destroyed plug-in."));
+}
+
+}
+}