1/*
2 * Copyright (C) 2014 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#pragma once
27
28#if ENABLE(USER_MESSAGE_HANDLERS)
29
30#include "ExceptionOr.h"
31#include "FrameDestructionObserver.h"
32#include "UserMessageHandlerDescriptor.h"
33
34namespace WebCore {
35
36class UserMessageHandler : public RefCounted<UserMessageHandler>, public FrameDestructionObserver {
37public:
38 static Ref<UserMessageHandler> create(Frame& frame, UserMessageHandlerDescriptor& descriptor)
39 {
40 return adoptRef(*new UserMessageHandler(frame, descriptor));
41 }
42 virtual ~UserMessageHandler();
43
44 ExceptionOr<void> postMessage(RefPtr<SerializedScriptValue>&&);
45
46 UserMessageHandlerDescriptor* descriptor() { return m_descriptor.get(); }
47 void invalidateDescriptor() { m_descriptor = nullptr; }
48
49private:
50 UserMessageHandler(Frame&, UserMessageHandlerDescriptor&);
51
52 RefPtr<UserMessageHandlerDescriptor> m_descriptor;
53};
54
55} // namespace WebCore
56
57#endif // ENABLE(USER_MESSAGE_HANDLERS)
58