1/*
2 * Copyright (C) 2015 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 <wtf/HashMap.h>
29#include <wtf/Ref.h>
30
31namespace API {
32class Navigation;
33struct SubstituteData;
34}
35
36namespace WebCore {
37class ResourceRequest;
38
39enum class FrameLoadType : uint8_t;
40}
41
42namespace WebKit {
43
44class WebPageProxy;
45class WebBackForwardListItem;
46
47class WebNavigationState {
48public:
49 explicit WebNavigationState();
50 ~WebNavigationState();
51
52 Ref<API::Navigation> createBackForwardNavigation(WebBackForwardListItem& targetItem, WebBackForwardListItem* currentItem, WebCore::FrameLoadType);
53 Ref<API::Navigation> createLoadRequestNavigation(WebCore::ResourceRequest&&, WebBackForwardListItem* currentItem);
54 Ref<API::Navigation> createReloadNavigation();
55 Ref<API::Navigation> createLoadDataNavigation(std::unique_ptr<API::SubstituteData>&&);
56
57 bool hasNavigation(uint64_t navigationID) const { return m_navigations.contains(navigationID); }
58 API::Navigation* navigation(uint64_t navigationID);
59 RefPtr<API::Navigation> takeNavigation(uint64_t navigationID);
60 void didDestroyNavigation(uint64_t navigationID);
61 void clearAllNavigations();
62
63 uint64_t generateNavigationID()
64 {
65 return ++m_navigationID;
66 }
67
68private:
69 HashMap<uint64_t, RefPtr<API::Navigation>> m_navigations;
70 uint64_t m_navigationID { 0 };
71};
72
73} // namespace WebKit
74