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