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/dom/DocumentLifecycleNotifier.h" 29 30 #include "core/dom/Document.h" 31 #include "wtf/Assertions.h" 32 33 namespace WebCore { 34 35 DocumentLifecycleNotifier::DocumentLifecycleNotifier(Document* document) 36 : LifecycleNotifier<Document>(document) 37 { 38 } 39 40 void DocumentLifecycleNotifier::addObserver(DocumentLifecycleNotifier::Observer* observer) 41 { 42 if (observer->observerType() == Observer::DocumentLifecycleObserverType) { 43 RELEASE_ASSERT(m_iterating != IteratingOverDocumentObservers); 44 m_documentObservers.add(static_cast<DocumentLifecycleObserver*>(observer)); 45 } 46 47 LifecycleNotifier<Document>::addObserver(observer); 48 } 49 50 void DocumentLifecycleNotifier::removeObserver(DocumentLifecycleNotifier::Observer* observer) 51 { 52 if (observer->observerType() == Observer::DocumentLifecycleObserverType) { 53 RELEASE_ASSERT(m_iterating != IteratingOverDocumentObservers); 54 m_documentObservers.remove(static_cast<DocumentLifecycleObserver*>(observer)); 55 } 56 57 LifecycleNotifier<Document>::removeObserver(observer); 58 } 59 60 } // namespace WebCore 61
