1 /*
2 * Copyright (C) 2008 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "JSMessageChannelConstructor.h"
28
29 #include "Document.h"
30 #include "JSDocument.h"
31 #include "JSMessageChannel.h"
32 #include "MessageChannel.h"
33
34 using namespace JSC;
35
36 namespace WebCore {
37
38 const ClassInfo JSMessageChannelConstructor::s_info = { "MessageChannelConstructor", 0, 0, 0 };
39
JSMessageChannelConstructor(ExecState * exec,JSDOMGlobalObject * globalObject)40 JSMessageChannelConstructor::JSMessageChannelConstructor(ExecState* exec, JSDOMGlobalObject* globalObject)
41 : DOMConstructorObject(JSMessageChannelConstructor::createStructure(globalObject->objectPrototype()), globalObject)
42 {
43 putDirect(exec->propertyNames().prototype, JSMessageChannelPrototype::self(exec, globalObject), None);
44 }
45
~JSMessageChannelConstructor()46 JSMessageChannelConstructor::~JSMessageChannelConstructor()
47 {
48 }
49
getConstructData(ConstructData & constructData)50 ConstructType JSMessageChannelConstructor::getConstructData(ConstructData& constructData)
51 {
52 constructData.native.function = construct;
53 return ConstructTypeHost;
54 }
55
construct(ExecState * exec,JSObject * constructor,const ArgList &)56 JSObject* JSMessageChannelConstructor::construct(ExecState* exec, JSObject* constructor, const ArgList&)
57 {
58 JSMessageChannelConstructor* jsConstructor = static_cast<JSMessageChannelConstructor*>(constructor);
59 ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
60 if (!context)
61 return throwError(exec, ReferenceError, "MessageChannel constructor associated document is unavailable");
62
63 return asObject(toJS(exec, jsConstructor->globalObject(), MessageChannel::create(context)));
64 }
65
66 } // namespace WebCore
67