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/page/PageLifecycleNotifier.h"
29
30namespace blink {
31
32PageLifecycleNotifier::PageLifecycleNotifier(Page* context)
33    : LifecycleNotifier<Page>(context)
34{
35}
36
37void PageLifecycleNotifier::addObserver(PageLifecycleNotifier::Observer* observer)
38{
39    if (observer->observerType() == Observer::PageLifecycleObserverType) {
40        RELEASE_ASSERT(m_iterating != IteratingOverPageObservers);
41        m_pageObservers.add(static_cast<PageLifecycleObserver*>(observer));
42    }
43
44    LifecycleNotifier<Page>::addObserver(observer);
45}
46
47void PageLifecycleNotifier::removeObserver(PageLifecycleNotifier::Observer* observer)
48{
49    if (observer->observerType() == Observer::PageLifecycleObserverType) {
50        RELEASE_ASSERT(m_iterating != IteratingOverPageObservers);
51        m_pageObservers.remove(static_cast<PageLifecycleObserver*>(observer));
52    }
53
54    LifecycleNotifier<Page>::removeObserver(observer);
55}
56
57} // namespace blink
58