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 | |
37 | namespace WebCore { |
38 | |
39 | STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSDOMObject); |
40 | |
41 | JSDOMObject::JSDOMObject(JSC::Structure* structure, JSC::JSGlobalObject& globalObject) |
42 | : Base(globalObject.vm(), structure) |
43 | { |
44 | ASSERT(scriptExecutionContext() || globalObject.classInfo() == JSRemoteDOMWindow::info()); |
45 | } |
46 | |
47 | JSC::CompleteSubspace* outputConstraintSubspaceFor(JSC::VM& vm) |
48 | { |
49 | return &static_cast<JSVMClientData*>(vm.clientData)->outputConstraintSpace(); |
50 | } |
51 | |
52 | JSC::CompleteSubspace* globalObjectOutputConstraintSubspaceFor(JSC::VM& vm) |
53 | { |
54 | return &static_cast<JSVMClientData*>(vm.clientData)->globalObjectOutputConstraintSpace(); |
55 | } |
56 | |
57 | JSC::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 | |