Simplify Custom Element constructors to be functions, not wrappers

Source/bindings/v8/V8AdaptorFunction.cpp

-/*
- * Copyright (C) 2012 Google Inc. All rights reserved.
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- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
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- * notice, this list of conditions and the following disclaimer.
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- * 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
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- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "bindings/v8/V8AdaptorFunction.h"
-
-#include "bindings/v8/V8PerIsolateData.h"
-#include "bindings/v8/V8ScriptRunner.h"
-#include "wtf/Vector.h"
-
-namespace WebCore {
-
-WrapperTypeInfo V8AdaptorFunction::info = { V8AdaptorFunction::getTemplate, 0, 0, 0, 0, 0, 0, WrapperTypeObjectPrototype };
-
-v8::Handle<v8::FunctionTemplate> V8AdaptorFunction::getTemplate(v8::Isolate* isolate, WrapperWorldType worldType)
-{
-    ASSERT(isolate);
-    V8PerIsolateData* data = V8PerIsolateData::from(isolate);
-    V8PerIsolateData::TemplateMap::iterator result = data->rawTemplateMap(worldType).find(&info);
-    if (result != data->rawTemplateMap(worldType).end())
-        return result->value.newLocal(isolate);
-    // The lifetime is of newTemplate is delegated to the TemplateMap thus this won't be leaked.
-    v8::Handle<v8::FunctionTemplate> newTemplate = configureTemplate(v8::FunctionTemplate::New());
-    data->rawTemplateMap(worldType).add(&info, UnsafePersistent<v8::FunctionTemplate>(isolate, newTemplate));
-    return newTemplate;
-}
-
-v8::Handle<v8::FunctionTemplate> V8AdaptorFunction::configureTemplate(v8::Handle<v8::FunctionTemplate> functionTemplate)
-{
-    functionTemplate->SetCallHandler(&V8AdaptorFunction::invocationCallback);
-    return functionTemplate;
-}
-
-void V8AdaptorFunction::invocationCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
-{
-    v8::Handle<v8::Object> wrapped = v8::Handle<v8::Object>::Cast(args.Callee()->GetHiddenValue(V8HiddenPropertyName::adaptorFunctionPeer()));
-    // FIXME: This can be faster if we can access underlying native callback directly.
-    // We won't need this once https://bugs.webkit.org/show_bug.cgi?id=108138 is addressed.
-    Vector<v8::Handle<v8::Value> > argArray(args.Length());
-    for (int i = 0; i < args.Length(); ++i)
-        argArray.append(args[i]);
-    if (args.IsConstructCall()) {
-        v8SetReturnValue(args, V8ScriptRunner::callAsConstructor(wrapped, argArray.size(), argArray.data()));
-        return;
-    }
-    v8SetReturnValue(args, V8ScriptRunner::callAsFunction(wrapped, args.This(), argArray.size(), argArray.data()));
-}
-
-v8::Handle<v8::Function> V8AdaptorFunction::wrap(v8::Handle<v8::Object> object, const AtomicString& name, v8::Isolate* isolate)
-{
-    if (object.IsEmpty() || !object->IsObject())
-        return v8::Handle<v8::Function>();
-    v8::Handle<v8::Function> adaptor = v8::Handle<v8::Function>::Cast(getTemplate(isolate, worldType(isolate))->GetFunction()->Clone());
-    if (adaptor.IsEmpty())
-        return v8::Handle<v8::Function>();
-    adaptor->SetName(v8String(name.string(), isolate));
-    adaptor->SetHiddenValue(V8HiddenPropertyName::adaptorFunctionPeer(), object);
-    object->SetHiddenValue(V8HiddenPropertyName::adaptorFunctionPeer(), adaptor);
-    return adaptor;
-}
-
-} // namespace WebCore