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#pragma once
27
28#include <WebCore/BackForwardClient.h>
29#include <wtf/HashSet.h>
30
31namespace WebCore {
32struct BackForwardItemIdentifier;
33}
34
35namespace WebKit {
36
37class WebPage;
38
39class WebBackForwardListProxy : public WebCore::BackForwardClient {
40public:
41 static Ref<WebBackForwardListProxy> create(WebPage& page) { return adoptRef(*new WebBackForwardListProxy(page)); }
42
43 static WebCore::HistoryItem* itemForID(const WebCore::BackForwardItemIdentifier&);
44 static void removeItem(const WebCore::BackForwardItemIdentifier&);
45
46 enum class OverwriteExistingItem {
47 Yes,
48 No
49 };
50 void addItemFromUIProcess(const WebCore::BackForwardItemIdentifier&, Ref<WebCore::HistoryItem>&&, uint64_t pageID, OverwriteExistingItem);
51
52 void clear();
53
54private:
55 WebBackForwardListProxy(WebPage&);
56
57 void addItem(Ref<WebCore::HistoryItem>&&) override;
58
59 void goToItem(WebCore::HistoryItem&) override;
60
61 RefPtr<WebCore::HistoryItem> itemAtIndex(int) override;
62 unsigned backListCount() const override;
63 unsigned forwardListCount() const override;
64
65 void close() override;
66
67 WebPage* m_page;
68};
69
70} // namespace WebKit
71