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 <WebCore/PageIdentifier.h>
30#include <wtf/HashSet.h>
31
32namespace WebCore {
33struct BackForwardItemIdentifier;
34}
35
36namespace WebKit {
37
38class WebPage;
39
40class WebBackForwardListProxy : public WebCore::BackForwardClient {
41public:
42 static Ref<WebBackForwardListProxy> create(WebPage& page) { return adoptRef(*new WebBackForwardListProxy(page)); }
43
44 static WebCore::HistoryItem* itemForID(const WebCore::BackForwardItemIdentifier&);
45 static void removeItem(const WebCore::BackForwardItemIdentifier&);
46
47 enum class OverwriteExistingItem {
48 Yes,
49 No
50 };
51 void addItemFromUIProcess(const WebCore::BackForwardItemIdentifier&, Ref<WebCore::HistoryItem>&&, WebCore::PageIdentifier, OverwriteExistingItem);
52
53 void clear();
54
55private:
56 WebBackForwardListProxy(WebPage&);
57
58 void addItem(Ref<WebCore::HistoryItem>&&) override;
59
60 void goToItem(WebCore::HistoryItem&) override;
61
62 RefPtr<WebCore::HistoryItem> itemAtIndex(int) override;
63 unsigned backListCount() const override;
64 unsigned forwardListCount() const override;
65
66 void close() override;
67
68 WebPage* m_page;
69};
70
71} // namespace WebKit
72