55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
/*
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* Copyright (C) 2006, 2010, 2016 Apple Inc. All rights reserved.
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* Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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* Copyright (C) 2009 Google, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/Forward.h>
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#include <wtf/RefCounted.h>
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namespace WebCore {
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class HistoryItem;
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class BackForwardClient : public RefCounted<BackForwardClient> {
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public:
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virtual ~BackForwardClient()
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{
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}
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virtual void addItem(Ref<HistoryItem>&&) = 0;
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virtual void goToItem(HistoryItem&) = 0;
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virtual RefPtr<HistoryItem> itemAtIndex(int) = 0;
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virtual unsigned backListCount() const = 0;
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virtual unsigned forwardListCount() const = 0;
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virtual void close() = 0;
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};
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} // namespace WebCore
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