1/*
2 * Copyright (C) 2008 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#include "config.h"
27#include "PageGroup.h"
28
29#include "DOMWrapperWorld.h"
30#include "Document.h"
31#include "Frame.h"
32#include "Page.h"
33#include "PageCache.h"
34#include "StorageNamespace.h"
35#include <JavaScriptCore/HeapInlines.h>
36#include <JavaScriptCore/StructureInlines.h>
37#include <wtf/StdLibExtras.h>
38
39#if ENABLE(VIDEO_TRACK)
40#if PLATFORM(MAC) || HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
41#include "CaptionUserPreferencesMediaAF.h"
42#else
43#include "CaptionUserPreferences.h"
44#endif
45#endif
46
47namespace WebCore {
48
49static unsigned getUniqueIdentifier()
50{
51 static unsigned currentIdentifier = 0;
52 return ++currentIdentifier;
53}
54
55// --------
56
57PageGroup::PageGroup(const String& name)
58 : m_name(name)
59 , m_identifier(getUniqueIdentifier())
60{
61}
62
63PageGroup::PageGroup(Page& page)
64 : m_identifier(getUniqueIdentifier())
65{
66 addPage(page);
67}
68
69PageGroup::~PageGroup() = default;
70
71typedef HashMap<String, PageGroup*> PageGroupMap;
72static PageGroupMap* pageGroups = nullptr;
73
74PageGroup* PageGroup::pageGroup(const String& groupName)
75{
76 ASSERT(!groupName.isEmpty());
77
78 if (!pageGroups)
79 pageGroups = new PageGroupMap;
80
81 PageGroupMap::AddResult result = pageGroups->add(groupName, nullptr);
82
83 if (result.isNewEntry) {
84 ASSERT(!result.iterator->value);
85 result.iterator->value = new PageGroup(groupName);
86 }
87
88 ASSERT(result.iterator->value);
89 return result.iterator->value;
90}
91
92void PageGroup::addPage(Page& page)
93{
94 ASSERT(!m_pages.contains(&page));
95 m_pages.add(&page);
96}
97
98void PageGroup::removePage(Page& page)
99{
100 ASSERT(m_pages.contains(&page));
101 m_pages.remove(&page);
102}
103
104#if ENABLE(VIDEO_TRACK)
105void PageGroup::captionPreferencesChanged()
106{
107 for (auto& page : m_pages)
108 page->captionPreferencesChanged();
109 PageCache::singleton().markPagesForCaptionPreferencesChanged();
110}
111
112CaptionUserPreferences& PageGroup::captionPreferences()
113{
114 if (!m_captionPreferences) {
115#if PLATFORM(MAC) || HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
116 m_captionPreferences = std::make_unique<CaptionUserPreferencesMediaAF>(*this);
117#else
118 m_captionPreferences = std::make_unique<CaptionUserPreferences>(*this);
119#endif
120 }
121
122 return *m_captionPreferences.get();
123}
124#endif
125
126} // namespace WebCore
127