1 /* 2 * Copyright (C) 2010, 2011 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 #ifndef WebBackForwardListProxy_h 27 #define WebBackForwardListProxy_h 28 29 #include <WebCore/BackForwardList.h> 30 #include <wtf/PassRefPtr.h> 31 32 namespace WebKit { 33 34 class WebPage; 35 36 class WebBackForwardListProxy : public WebCore::BackForwardList { 37 public: 38 static PassRefPtr<WebBackForwardListProxy> create(WebPage* page) { return adoptRef(new WebBackForwardListProxy(page)); } 39 40 static WebCore::HistoryItem* itemForID(uint64_t); 41 static uint64_t idForItem(WebCore::HistoryItem*); 42 static void removeItem(uint64_t itemID); 43 44 static void addItemFromUIProcess(uint64_t itemID, PassRefPtr<WebCore::HistoryItem>); 45 static void setHighestItemIDFromUIProcess(uint64_t itemID); 46 47 void clear(); 48 49 private: 50 WebBackForwardListProxy(WebPage*); 51 52 virtual void addItem(PassRefPtr<WebCore::HistoryItem>); 53 54 virtual void goToItem(WebCore::HistoryItem*); 55 56 virtual WebCore::HistoryItem* itemAtIndex(int); 57 virtual int backListCount(); 58 virtual int forwardListCount(); 59 60 virtual bool isActive(); 61 62 virtual void close(); 63 64 #if ENABLE(WML) 65 void clearWMLPageHistory(); 66 #endif 67 68 WebPage* m_page; 69 }; 70 71 } // namespace WebKit 72 73 #endif // WebBackForwardListProxy_h 74
