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. ``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#ifndef DOMWindowLifecycleNotifier_h
27#define DOMWindowLifecycleNotifier_h
28
29#include "core/frame/DOMWindowLifecycleObserver.h"
30#include "platform/LifecycleNotifier.h"
31#include "wtf/PassOwnPtr.h"
32#include "wtf/TemporaryChange.h"
33#include "wtf/text/WTFString.h"
34
35namespace blink {
36
37class LocalDOMWindow;
38
39class DOMWindowLifecycleNotifier FINAL : public LifecycleNotifier<LocalDOMWindow> {
40public:
41    static PassOwnPtr<DOMWindowLifecycleNotifier> create(LocalDOMWindow*);
42
43    void notifyAddEventListener(LocalDOMWindow*, const AtomicString& eventType);
44    void notifyRemoveEventListener(LocalDOMWindow*, const AtomicString& eventType);
45    void notifyRemoveAllEventListeners(LocalDOMWindow*);
46
47    virtual void addObserver(Observer*) OVERRIDE;
48    virtual void removeObserver(Observer*) OVERRIDE;
49
50private:
51    explicit DOMWindowLifecycleNotifier(LocalDOMWindow*);
52
53    typedef HashSet<DOMWindowLifecycleObserver*> DOMWindowObserverSet;
54    DOMWindowObserverSet m_windowObservers;
55};
56
57} // namespace blink
58
59#endif // DOMWindowLifecycleNotifier_h
60