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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "BoundObject.h"
     33 
     34 #include "V8Proxy.h"
     35 
     36 namespace WebKit {
     37 
     38 BoundObject::BoundObject(v8::Handle<v8::Context> context, void* v8This, const char* objectName)
     39     : m_objectName(objectName)
     40     , m_context(context)
     41     , m_v8This(v8This)
     42 {
     43     v8::Context::Scope contextScope(context);
     44     v8::Local<v8::FunctionTemplate> localTemplate = v8::FunctionTemplate::New(WebCore::V8Proxy::checkNewLegal);
     45     m_hostTemplate = v8::Persistent<v8::FunctionTemplate>::New(localTemplate);
     46     m_hostTemplate->SetClassName(v8::String::New(objectName));
     47 }
     48 
     49 BoundObject::~BoundObject()
     50 {
     51     m_hostTemplate.Dispose();
     52 }
     53 
     54 void BoundObject::addProtoFunction(const char* name, v8::InvocationCallback callback)
     55 {
     56     v8::Context::Scope contextScope(m_context);
     57     v8::Local<v8::Signature> signature = v8::Signature::New(m_hostTemplate);
     58     v8::Local<v8::ObjectTemplate> proto = m_hostTemplate->PrototypeTemplate();
     59     v8::Local<v8::External> v8This = v8::External::New(m_v8This);
     60     proto->Set(
     61         v8::String::New(name),
     62         v8::FunctionTemplate::New(
     63             callback,
     64             v8This,
     65             signature),
     66         static_cast<v8::PropertyAttribute>(v8::DontDelete));
     67 }
     68 
     69 void BoundObject::build()
     70 {
     71     v8::Context::Scope contextScope(m_context);
     72     v8::Local<v8::Function> constructor = m_hostTemplate->GetFunction();
     73     v8::Local<v8::Object> boundObject = WebCore::SafeAllocation::newInstance(constructor);
     74 
     75     v8::Handle<v8::Object> global = m_context->Global();
     76     global->Set(v8::String::New(m_objectName), boundObject);
     77 }
     78 
     79 } // namespace WebKit
     80