1/*
2 * Copyright (C) 2006, 2007, 2008, 2013 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "CachedFrame.h"
29
30namespace WebCore {
31
32class Document;
33class DocumentLoader;
34class Page;
35
36class CachedPage {
37 WTF_MAKE_FAST_ALLOCATED;
38public:
39 explicit CachedPage(Page&);
40 ~CachedPage();
41
42 void restore(Page&);
43 void clear();
44
45 Page& page() const { return m_page; }
46 Document* document() const { return m_cachedMainFrame->document(); }
47 DocumentLoader* documentLoader() const { return m_cachedMainFrame->documentLoader(); }
48
49 bool hasExpired() const;
50
51 CachedFrame* cachedMainFrame() { return m_cachedMainFrame.get(); }
52
53#if ENABLE(VIDEO_TRACK)
54 void markForCaptionPreferencesChanged() { m_needsCaptionPreferencesChanged = true; }
55#endif
56
57 void markForDeviceOrPageScaleChanged() { m_needsDeviceOrPageScaleChanged = true; }
58
59 void markForContentsSizeChanged() { m_needsUpdateContentsSize = true; }
60
61private:
62 Page& m_page;
63 MonotonicTime m_expirationTime;
64 std::unique_ptr<CachedFrame> m_cachedMainFrame;
65#if ENABLE(VIDEO_TRACK)
66 bool m_needsCaptionPreferencesChanged { false };
67#endif
68 bool m_needsDeviceOrPageScaleChanged { false };
69 bool m_needsUpdateContentsSize { false };
70};
71
72} // namespace WebCore
73