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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 WebBackForwardList_h
#define WebBackForwardList_h
#include "APIObject.h"
#include "ImmutableArray.h"
#include "WebBackForwardListItem.h"
#include "WebPageProxy.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#if PLATFORM(CF)
#include <CoreFoundation/CFDictionary.h>
#endif
namespace WebKit {
typedef Vector<RefPtr<WebBackForwardListItem> > BackForwardListItemVector;
/*
* Current
* |---------*--------------| Entries
* Back Forward
*/
class WebBackForwardList : public APIObject {
public:
static const Type APIType = TypeBackForwardList;
static PassRefPtr<WebBackForwardList> create(WebPageProxy* page)
{
return adoptRef(new WebBackForwardList(page));
}
void pageClosed();
virtual ~WebBackForwardList();
void addItem(WebBackForwardListItem*);
void goToItem(WebBackForwardListItem*);
void clear();
WebBackForwardListItem* currentItem();
WebBackForwardListItem* backItem();
WebBackForwardListItem* forwardItem();
WebBackForwardListItem* itemAtIndex(int);
const BackForwardListItemVector& entries() const { return m_entries; }
uint32_t currentIndex() { return m_current; }
int backListCount();
int forwardListCount();
PassRefPtr<ImmutableArray> backListAsImmutableArrayWithLimit(unsigned limit);
PassRefPtr<ImmutableArray> forwardListAsImmutableArrayWithLimit(unsigned limit);
#if PLATFORM(CF)
CFDictionaryRef createCFDictionaryRepresentation(WebPageProxy::WebPageProxySessionStateFilterCallback, void* context) const;
bool restoreFromCFDictionaryRepresentation(CFDictionaryRef);
#endif
private:
static const unsigned NoCurrentItemIndex = UINT_MAX;
WebBackForwardList(WebPageProxy*);
virtual Type type() const { return APIType; }
WebPageProxy* m_page;
BackForwardListItemVector m_entries;
uint32_t m_current;
uint32_t m_capacity;
bool m_closed;
bool m_enabled;
};
} // namespace WebKit
#endif // WebBackForwardList_h
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