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
constructorCustom(const v8::FunctionCallbackInfo<v8::Value> & info)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