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 30 namespace blink { 31 32 PageLifecycleNotifier::PageLifecycleNotifier(Page* context) 33 : LifecycleNotifier<Page>(context) 34 { 35 } 36 37 void 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 47 void 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
