1 | /* |
2 | * Copyright (C) 2006-2017 Apple Inc. All rights reserved. |
3 | * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) |
4 | * Copyright (C) 2009 Adam Barth. All rights reserved. |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
9 | * |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * 3. Neither the name of Apple Inc. ("Apple") nor the names of |
16 | * its contributors may be used to endorse or promote products derived |
17 | * from this software without specific prior written permission. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
20 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
21 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
22 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
23 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
25 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
26 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
30 | |
31 | #pragma once |
32 | |
33 | #include "FrameLoaderTypes.h" |
34 | #include "Timer.h" |
35 | #include <wtf/CompletionHandler.h> |
36 | #include <wtf/Forward.h> |
37 | |
38 | namespace WebCore { |
39 | |
40 | class Document; |
41 | class FormSubmission; |
42 | class Frame; |
43 | class ScheduledNavigation; |
44 | class SecurityOrigin; |
45 | |
46 | enum class NewLoadInProgress : bool { No, Yes }; |
47 | |
48 | class NavigationScheduler { |
49 | public: |
50 | explicit NavigationScheduler(Frame&); |
51 | ~NavigationScheduler(); |
52 | |
53 | bool redirectScheduledDuringLoad(); |
54 | bool locationChangePending(); |
55 | |
56 | void scheduleRedirect(Document& initiatingDocument, double delay, const URL&); |
57 | void scheduleLocationChange(Document& initiatingDocument, SecurityOrigin&, const URL&, const String& referrer, LockHistory = LockHistory::Yes, LockBackForwardList = LockBackForwardList::Yes, CompletionHandler<void()>&& = [] { }); |
58 | void scheduleFormSubmission(Ref<FormSubmission>&&); |
59 | void scheduleRefresh(Document& initiatingDocument); |
60 | void scheduleHistoryNavigation(int steps); |
61 | void schedulePageBlock(Document& originDocument); |
62 | |
63 | void startTimer(); |
64 | |
65 | void cancel(NewLoadInProgress = NewLoadInProgress::No); |
66 | void clear(); |
67 | |
68 | private: |
69 | bool shouldScheduleNavigation() const; |
70 | bool shouldScheduleNavigation(const URL&) const; |
71 | |
72 | void timerFired(); |
73 | void schedule(std::unique_ptr<ScheduledNavigation>); |
74 | |
75 | static LockBackForwardList mustLockBackForwardList(Frame& targetFrame); |
76 | |
77 | Frame& m_frame; |
78 | Timer m_timer; |
79 | std::unique_ptr<ScheduledNavigation> m_redirect; |
80 | }; |
81 | |
82 | } // namespace WebCore |
83 | |