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 "bindings/core/v8/V8MessageChannel.h" 33 34 #include "bindings/core/v8/V8Binding.h" 35 #include "bindings/core/v8/V8HiddenValue.h" 36 #include "bindings/core/v8/V8MessagePort.h" 37 #include "core/dom/MessageChannel.h" 38 #include "core/workers/WorkerGlobalScope.h" 39 #include "wtf/RefPtr.h" 40 41 namespace blink { 42 43 void V8MessageChannel::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info) 44 { 45 ExecutionContext* context = currentExecutionContext(info.GetIsolate()); 46 47 RefPtrWillBeRawPtr<MessageChannel> obj = MessageChannel::create(context); 48 49 v8::Local<v8::Object> wrapper = info.Holder(); 50 51 // Create references from the MessageChannel wrapper to the two 52 // MessagePort wrappers to make sure that the MessagePort wrappers 53 // stay alive as long as the MessageChannel wrapper is around. 54 V8HiddenValue::setHiddenValue(info.GetIsolate(), wrapper, V8HiddenValue::port1(info.GetIsolate()), toV8(obj->port1(), info.Holder(), info.GetIsolate())); 55 V8HiddenValue::setHiddenValue(info.GetIsolate(), wrapper, V8HiddenValue::port2(info.GetIsolate()), toV8(obj->port2(), info.Holder(), info.GetIsolate())); 56 57 V8DOMWrapper::associateObjectWithWrapper<V8MessageChannel>(obj.release(), &wrapperTypeInfo, wrapper, info.GetIsolate()); 58 info.GetReturnValue().Set(wrapper); 59 } 60 61 } // namespace blink 62
