1 /* 2 * Copyright (C) 2010 Apple 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. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "InjectedBundleBackForwardList.h" 28 29 #include "InjectedBundleBackForwardListItem.h" 30 #include "WebBackForwardListProxy.h" 31 #include "WebPage.h" 32 #include <WebCore/BackForwardController.h> 33 #include <WebCore/Page.h> 34 35 using namespace WebCore; 36 37 namespace WebKit { 38 39 PassRefPtr<InjectedBundleBackForwardListItem> InjectedBundleBackForwardList::itemAtIndex(int index) const 40 { 41 if (!m_page) 42 return 0; 43 Page* page = m_page->corePage(); 44 if (!page) 45 return 0; 46 return InjectedBundleBackForwardListItem::create(page->backForward()->itemAtIndex(index)); 47 } 48 49 int InjectedBundleBackForwardList::backListCount() const 50 { 51 if (!m_page) 52 return 0; 53 Page* page = m_page->corePage(); 54 if (!page) 55 return 0; 56 return page->backForward()->backCount(); 57 } 58 59 int InjectedBundleBackForwardList::forwardListCount() const 60 { 61 if (!m_page) 62 return 0; 63 Page* page = m_page->corePage(); 64 if (!page) 65 return 0; 66 return page->backForward()->forwardCount(); 67 } 68 69 void InjectedBundleBackForwardList::clear() 70 { 71 if (!m_page) 72 return; 73 Page* page = m_page->corePage(); 74 if (!page) 75 return; 76 static_cast<WebBackForwardListProxy*>(page->backForward()->client())->clear(); 77 } 78 79 } // namespace WebKit 80