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 "BackForwardController.h" 28 29#include "BackForwardListImpl.h" 30#include "HistoryItem.h" 31#include "Page.h" 32 33namespace WebCore { 34 35BackForwardController::BackForwardController(Page* page, PassRefPtr<BackForwardList> client) 36 : m_page(page) 37 , m_client(client) 38{ 39 if (!m_client) 40 m_client = BackForwardListImpl::create(page); 41} 42 43BackForwardController::~BackForwardController() 44{ 45} 46 47PassOwnPtr<BackForwardController> BackForwardController::create(Page* page, PassRefPtr<BackForwardList> client) 48{ 49 return adoptPtr(new BackForwardController(page, client)); 50} 51 52bool BackForwardController::canGoBackOrForward(int distance) const 53{ 54 return m_page->canGoBackOrForward(distance); 55} 56 57void BackForwardController::goBackOrForward(int distance) 58{ 59 m_page->goBackOrForward(distance); 60} 61 62bool BackForwardController::goBack() 63{ 64 return m_page->goBack(); 65} 66 67bool BackForwardController::goForward() 68{ 69 return m_page->goForward(); 70} 71 72void BackForwardController::addItem(PassRefPtr<HistoryItem> item) 73{ 74 m_client->addItem(item); 75} 76 77void BackForwardController::setCurrentItem(HistoryItem* item) 78{ 79 m_client->goToItem(item); 80} 81 82int BackForwardController::count() const 83{ 84 return m_page->getHistoryLength(); 85} 86 87int BackForwardController::backCount() const 88{ 89 return m_client->backListCount(); 90} 91 92int BackForwardController::forwardCount() const 93{ 94 return m_client->forwardListCount(); 95} 96 97HistoryItem* BackForwardController::itemAtIndex(int i) 98{ 99 return m_client->itemAtIndex(i); 100} 101 102bool BackForwardController::isActive() 103{ 104 return m_client->isActive(); 105} 106 107void BackForwardController::close() 108{ 109 m_client->close(); 110} 111 112} // namespace WebCore 113