1 /* 2 * Copyright (C) 2009 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "web/BackForwardClientImpl.h" 33 34 #include "public/web/WebViewClient.h" 35 #include "web/WebViewImpl.h" 36 37 using namespace WebCore; 38 39 namespace blink { 40 41 BackForwardClientImpl::BackForwardClientImpl(WebViewImpl* webView) 42 : m_webView(webView) 43 { 44 } 45 46 BackForwardClientImpl::~BackForwardClientImpl() 47 { 48 } 49 50 int BackForwardClientImpl::backListCount() 51 { 52 if (!m_webView->client()) 53 return 0; 54 55 return m_webView->client()->historyBackListCount(); 56 } 57 58 int BackForwardClientImpl::forwardListCount() 59 { 60 if (!m_webView->client()) 61 return 0; 62 63 return m_webView->client()->historyForwardListCount(); 64 } 65 66 int BackForwardClientImpl::backForwardListCount() 67 { 68 if (!m_webView->client()) 69 return 0; 70 return backListCount() + 1 + forwardListCount(); 71 } 72 73 74 } // namespace blink 75
