1/*
2 * Copyright (C) 2010-2018 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "JSDOMWrapper.h"
28
29#include "DOMWindow.h"
30#include "DOMWrapperWorld.h"
31#include "JSDOMWindow.h"
32#include "JSRemoteDOMWindow.h"
33#include "SerializedScriptValue.h"
34#include "WebCoreJSClientData.h"
35#include <JavaScriptCore/Error.h>
36
37namespace WebCore {
38
39STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSDOMObject);
40
41JSDOMObject::JSDOMObject(JSC::Structure* structure, JSC::JSGlobalObject& globalObject)
42 : Base(globalObject.vm(), structure)
43{
44 ASSERT(scriptExecutionContext() || globalObject.classInfo() == JSRemoteDOMWindow::info());
45}
46
47JSC::CompleteSubspace* outputConstraintSubspaceFor(JSC::VM& vm)
48{
49 return &static_cast<JSVMClientData*>(vm.clientData)->outputConstraintSpace();
50}
51
52JSC::CompleteSubspace* globalObjectOutputConstraintSubspaceFor(JSC::VM& vm)
53{
54 return &static_cast<JSVMClientData*>(vm.clientData)->globalObjectOutputConstraintSpace();
55}
56
57JSC::JSValue cloneAcrossWorlds(JSC::ExecState& state, const JSDOMObject& owner, JSC::JSValue value)
58{
59 if (isWorldCompatible(state, value))
60 return value;
61 // FIXME: Is it best to handle errors by returning null rather than throwing an exception?
62 auto serializedValue = SerializedScriptValue::create(state, value, SerializationErrorMode::NonThrowing);
63 if (!serializedValue)
64 return JSC::jsNull();
65 // FIXME: Why is owner->globalObject() better than state.lexicalGlobalObject() here?
66 // Unlike this, isWorldCompatible uses state.lexicalGlobalObject(); should the two match?
67 return serializedValue->deserialize(state, owner.globalObject());
68}
69
70} // namespace WebCore
71