1 /* 2 * Copyright (C) 2009 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 "V8MessageChannel.h" 33 34 #include "V8MessagePort.h" 35 #include "bindings/v8/V8Binding.h" 36 #include "bindings/v8/V8HiddenPropertyName.h" 37 #include "bindings/v8/V8Utilities.h" 38 #include "core/dom/Document.h" 39 #include "core/dom/MessageChannel.h" 40 #include "core/page/Frame.h" 41 #include "core/workers/WorkerGlobalScope.h" 42 43 #include "wtf/RefPtr.h" 44 45 namespace WebCore { 46 47 void V8MessageChannel::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& args) 48 { 49 ScriptExecutionContext* context = getScriptExecutionContext(); 50 51 RefPtr<MessageChannel> obj = MessageChannel::create(context); 52 53 v8::Local<v8::Object> wrapper = args.Holder(); 54 55 // Create references from the MessageChannel wrapper to the two 56 // MessagePort wrappers to make sure that the MessagePort wrappers 57 // stay alive as long as the MessageChannel wrapper is around. 58 V8HiddenPropertyName::setNamedHiddenReference(wrapper, "port1", toV8(obj->port1(), args.Holder(), args.GetIsolate())); 59 V8HiddenPropertyName::setNamedHiddenReference(wrapper, "port2", toV8(obj->port2(), args.Holder(), args.GetIsolate())); 60 61 V8DOMWrapper::associateObjectWithWrapper<V8MessageChannel>(obj.release(), &info, wrapper, args.GetIsolate(), WrapperConfiguration::Dependent); 62 args.GetReturnValue().Set(wrapper); 63 } 64 65 } // namespace WebCore 66
