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
27#include "config.h"
28#include "core/frame/DOMWindowLifecycleNotifier.h"
29
30namespace blink {
31
32DOMWindowLifecycleNotifier::DOMWindowLifecycleNotifier(LocalDOMWindow* context)
33    : LifecycleNotifier<LocalDOMWindow>(context)
34{
35}
36
37void DOMWindowLifecycleNotifier::addObserver(DOMWindowLifecycleNotifier::Observer* observer)
38{
39    if (observer->observerType() == Observer::DOMWindowLifecycleObserverType) {
40        RELEASE_ASSERT(m_iterating != IteratingOverDOMWindowObservers);
41        m_windowObservers.add(static_cast<DOMWindowLifecycleObserver*>(observer));
42    }
43
44    LifecycleNotifier<LocalDOMWindow>::addObserver(observer);
45}
46
47void DOMWindowLifecycleNotifier::removeObserver(DOMWindowLifecycleNotifier::Observer* observer)
48{
49    if (observer->observerType() == Observer::DOMWindowLifecycleObserverType) {
50        RELEASE_ASSERT(m_iterating != IteratingOverDOMWindowObservers);
51        m_windowObservers.remove(static_cast<DOMWindowLifecycleObserver*>(observer));
52    }
53
54    LifecycleNotifier<LocalDOMWindow>::removeObserver(observer);
55}
56
57PassOwnPtr<DOMWindowLifecycleNotifier> DOMWindowLifecycleNotifier::create(LocalDOMWindow* context)
58{
59    return adoptPtr(new DOMWindowLifecycleNotifier(context));
60}
61
62void DOMWindowLifecycleNotifier::notifyAddEventListener(LocalDOMWindow* window, const AtomicString& eventType)
63{
64    TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDOMWindowObservers);
65    for (DOMWindowObserverSet::iterator it = m_windowObservers.begin(); it != m_windowObservers.end(); ++it)
66        (*it)->didAddEventListener(window, eventType);
67}
68
69void DOMWindowLifecycleNotifier::notifyRemoveEventListener(LocalDOMWindow* window, const AtomicString& eventType)
70{
71    TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDOMWindowObservers);
72    for (DOMWindowObserverSet::iterator it = m_windowObservers.begin(); it != m_windowObservers.end(); ++it)
73        (*it)->didRemoveEventListener(window, eventType);
74}
75
76void DOMWindowLifecycleNotifier::notifyRemoveAllEventListeners(LocalDOMWindow* window)
77{
78    TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDOMWindowObservers);
79    for (DOMWindowObserverSet::iterator it = m_windowObservers.begin(); it != m_windowObservers.end(); ++it)
80        (*it)->didRemoveAllEventListeners(window);
81}
82
83} // namespace blink
84