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/*
* Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebBackForwardListProxy_h
#define WebBackForwardListProxy_h
#include <WebCore/BackForwardList.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
namespace WebKit {
class WebPage;
class WebBackForwardListProxy : public WebCore::BackForwardList {
public:
static PassRefPtr<WebBackForwardListProxy> create(WebPage* page) { return adoptRef(new WebBackForwardListProxy(page)); }
static WebCore::HistoryItem* itemForID(uint64_t);
static uint64_t idForItem(WebCore::HistoryItem*);
static void removeItem(uint64_t itemID);
static void addItemFromUIProcess(uint64_t itemID, PassRefPtr<WebCore::HistoryItem>);
static void setHighestItemIDFromUIProcess(uint64_t itemID);
void clear();
private:
WebBackForwardListProxy(WebPage*);
virtual void addItem(PassRefPtr<WebCore::HistoryItem>);
virtual void goToItem(WebCore::HistoryItem*);
virtual WebCore::HistoryItem* itemAtIndex(int);
virtual int backListCount();
virtual int forwardListCount();
virtual bool isActive();
virtual void close();
WebPage* m_page;
HashSet<uint64_t> m_associatedItemIDs;
};
} // namespace WebKit
#endif // WebBackForwardListProxy_h
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