/* * 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. */ #pragma once #include <WebCore/BackForwardClient.h> #include <WebCore/PageIdentifier.h> #include <wtf/HashSet.h> namespace WebCore { struct BackForwardItemIdentifier; } namespace WebKit { class WebPage; class WebBackForwardListProxy : public WebCore::BackForwardClient { public: static Ref<WebBackForwardListProxy> create(WebPage& page) { return adoptRef(*new WebBackForwardListProxy(page)); } static WebCore::HistoryItem* itemForID(const WebCore::BackForwardItemIdentifier&); static void removeItem(const WebCore::BackForwardItemIdentifier&); enum class OverwriteExistingItem { Yes, No }; void addItemFromUIProcess(const WebCore::BackForwardItemIdentifier&, Ref<WebCore::HistoryItem>&&, WebCore::PageIdentifier, OverwriteExistingItem); void clear(); private: WebBackForwardListProxy(WebPage&); void addItem(Ref<WebCore::HistoryItem>&&) override; void goToItem(WebCore::HistoryItem&) override; RefPtr<WebCore::HistoryItem> itemAtIndex(int) override; unsigned backListCount() const override; unsigned forwardListCount() const override; void close() override; WebPage* m_page; }; } // namespace WebKit