1/*
2 * Copyright (C) 2013 Google 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#ifndef V8MutationCallback_h
27#define V8MutationCallback_h
28
29#include "bindings/core/v8/ActiveDOMCallback.h"
30#include "bindings/core/v8/ScopedPersistent.h"
31#include "bindings/core/v8/ScriptState.h"
32#include "core/dom/MutationCallback.h"
33#include "wtf/OwnPtr.h"
34#include "wtf/RefPtr.h"
35#include <v8.h>
36
37namespace blink {
38
39class ExecutionContext;
40
41class V8MutationCallback FINAL : public MutationCallback, public ActiveDOMCallback {
42public:
43    static PassOwnPtr<V8MutationCallback> create(v8::Handle<v8::Function> callback, v8::Handle<v8::Object> owner, ScriptState* scriptState)
44    {
45        return adoptPtr(new V8MutationCallback(callback, owner, scriptState));
46    }
47
48    virtual void call(const WillBeHeapVector<RefPtrWillBeMember<MutationRecord> >&, MutationObserver*) OVERRIDE;
49    virtual ExecutionContext* executionContext() const OVERRIDE { return ContextLifecycleObserver::executionContext(); }
50
51private:
52    V8MutationCallback(v8::Handle<v8::Function>, v8::Handle<v8::Object>, ScriptState*);
53
54    static void setWeakCallback(const v8::WeakCallbackData<v8::Function, V8MutationCallback>&);
55
56    ScopedPersistent<v8::Function> m_callback;
57    RefPtr<ScriptState> m_scriptState;
58};
59
60}
61
62#endif // V8MutationCallback_h
63