1/*
2 * Copyright (C) 2009-2017 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
27#pragma once
28
29#include "Event.h"
30#include "JSValueInWrappedObject.h"
31
32namespace WebCore {
33
34class History;
35class SerializedScriptValue;
36
37class PopStateEvent final : public Event {
38public:
39 virtual ~PopStateEvent();
40 static Ref<PopStateEvent> create(RefPtr<SerializedScriptValue>&&, History*);
41
42 struct Init : EventInit {
43 JSC::JSValue state;
44 };
45
46 static Ref<PopStateEvent> create(const AtomString&, const Init&, IsTrusted = IsTrusted::No);
47 static Ref<PopStateEvent> createForBindings();
48
49 const JSValueInWrappedObject& state() const { return m_state; }
50 SerializedScriptValue* serializedState() const { return m_serializedState.get(); }
51
52 RefPtr<SerializedScriptValue> trySerializeState(JSC::ExecState&);
53
54 History* history() const { return m_history.get(); }
55
56private:
57 PopStateEvent() = default;
58 PopStateEvent(const AtomString&, const Init&, IsTrusted);
59 PopStateEvent(RefPtr<SerializedScriptValue>&&, History*);
60
61 EventInterface eventInterface() const final;
62
63 JSValueInWrappedObject m_state;
64 RefPtr<SerializedScriptValue> m_serializedState;
65 bool m_triedToSerialize { false };
66 RefPtr<History> m_history;
67};
68
69} // namespace WebCore
70