WebKit/chromium/src/BoundObject.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 04 Oct 2010 01:32:07 +0300
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/*
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 * Copyright (C) 2010 Google Inc. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are
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 * met:
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 *
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 *     * Redistributions of source code must retain the above copyright
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 * notice, this list of conditions and the following disclaimer.
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 *     * Redistributions in binary form must reproduce the above
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 * copyright notice, this list of conditions and the following disclaimer
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 * in the documentation and/or other materials provided with the
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 * distribution.
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 *     * Neither the name of Google Inc. nor the names of its
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 * contributors may be used to endorse or promote products derived from
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 * this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include "config.h"
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#include "BoundObject.h"
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#include "V8Proxy.h"
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namespace WebKit {
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BoundObject::BoundObject(v8::Handle<v8::Context> context, void* v8This, const char* objectName)
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    : m_objectName(objectName)
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    , m_context(context)
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    , m_v8This(v8This)
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{
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    v8::Context::Scope contextScope(context);
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    v8::Local<v8::FunctionTemplate> localTemplate = v8::FunctionTemplate::New(WebCore::V8Proxy::checkNewLegal);
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    m_hostTemplate = v8::Persistent<v8::FunctionTemplate>::New(localTemplate);
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    m_hostTemplate->SetClassName(v8::String::New(objectName));
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}
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BoundObject::~BoundObject()
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{
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    m_hostTemplate.Dispose();
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}
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void BoundObject::addProtoFunction(const char* name, v8::InvocationCallback callback)
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{
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    v8::Context::Scope contextScope(m_context);
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    v8::Local<v8::Signature> signature = v8::Signature::New(m_hostTemplate);
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    v8::Local<v8::ObjectTemplate> proto = m_hostTemplate->PrototypeTemplate();
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    v8::Local<v8::External> v8This = v8::External::New(m_v8This);
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    proto->Set(
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        v8::String::New(name),
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        v8::FunctionTemplate::New(
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            callback,
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            v8This,
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            signature),
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        static_cast<v8::PropertyAttribute>(v8::DontDelete));
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}
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void BoundObject::build()
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{
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    v8::Context::Scope contextScope(m_context);
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    v8::Local<v8::Function> constructor = m_hostTemplate->GetFunction();
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    v8::Local<v8::Object> boundObject = WebCore::SafeAllocation::newInstance(constructor);
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    v8::Handle<v8::Object> global = m_context->Global();
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    global->Set(v8::String::New(m_objectName), boundObject);
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}
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} // namespace WebKit