1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* Copyright (C) 2012-2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/Platform.h>
#if ENABLE(VIDEO)
#include <WebCore/CSSPropertyNames.h>
#include <WebCore/CaptionPreferencesDelegate.h>
#include <WebCore/CaptionUserPreferences.h>
#include <WebCore/Color.h>
#include <wtf/TZoneMalloc.h>
#if PLATFORM(COCOA)
OBJC_CLASS WebCaptionUserPreferencesMediaAFWeakObserver;
#endif
namespace WebCore {
class CaptionUserPreferencesMediaAF : public CaptionUserPreferences {
WTF_MAKE_TZONE_ALLOCATED(CaptionUserPreferencesMediaAF);
public:
WEBCORE_EXPORT static Ref<CaptionUserPreferencesMediaAF> create(PageGroup&);
virtual ~CaptionUserPreferencesMediaAF();
#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
CaptionDisplayMode captionDisplayMode() const override;
void setCaptionDisplayMode(CaptionDisplayMode) override;
WEBCORE_EXPORT static CaptionDisplayMode platformCaptionDisplayMode();
WEBCORE_EXPORT static void platformSetCaptionDisplayMode(CaptionDisplayMode);
WEBCORE_EXPORT static void setCachedCaptionDisplayMode(CaptionDisplayMode);
WEBCORE_EXPORT static Vector<String> platformProfileIDs();
WEBCORE_EXPORT static String platformActiveProfileID();
WEBCORE_EXPORT static bool canSetActiveProfileID();
WEBCORE_EXPORT static bool setActiveProfileID(const String&);
WEBCORE_EXPORT static String nameForProfileID(const String&);
bool userPrefersCaptions() const override;
bool userPrefersSubtitles() const override;
bool userPrefersTextDescriptions() const final;
float captionFontSizeScaleAndImportance(bool&) const override;
bool captionStrokeWidthForFont(float fontSize, const String& language, float& strokeWidth, bool& important) const override;
void setInterestedInCaptionPreferenceChanges() override;
void setPreferredLanguage(const String&) override;
Vector<String> preferredLanguages() const override;
WEBCORE_EXPORT static Vector<String> platformPreferredLanguages();
WEBCORE_EXPORT static void platformSetPreferredLanguage(const String&);
WEBCORE_EXPORT static void setCachedPreferredLanguages(const Vector<String>&);
void setPreferredAudioCharacteristic(const String&) override;
Vector<String> preferredAudioCharacteristics() const override;
void captionPreferencesChanged() override;
bool shouldFilterTrackMenu() const { return true; }
WEBCORE_EXPORT static void setCaptionPreferencesDelegate(std::unique_ptr<CaptionPreferencesDelegate>&&);
bool testingMode() const final;
#else
bool shouldFilterTrackMenu() const { return false; }
#endif
#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK) && PLATFORM(COCOA)
static RefPtr<CaptionUserPreferencesMediaAF> extractCaptionUserPreferencesMediaAF(void* observer);
#endif
WEBCORE_EXPORT String captionsStyleSheetOverride() const override;
Vector<RefPtr<AudioTrack>> sortedTrackListForMenu(AudioTrackList*) override;
Vector<RefPtr<TextTrack>> sortedTrackListForMenu(TextTrackList*, HashSet<TextTrack::Kind>) override;
String displayNameForTrack(AudioTrack*) const override;
String displayNameForTrack(TextTrack*) const override;
String captionPreviewTitle() const override;
#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
WEBCORE_EXPORT String captionsWindowCSS() const;
WEBCORE_EXPORT String captionsBackgroundCSS() const;
WEBCORE_EXPORT String captionsTextColorCSS() const;
WEBCORE_EXPORT Color captionsTextColor(bool&) const;
WEBCORE_EXPORT String captionsDefaultFontCSS() const;
WEBCORE_EXPORT String captionsFontSizeCSS() const;
WEBCORE_EXPORT String windowRoundedCornerRadiusCSS() const;
WEBCORE_EXPORT String captionsTextEdgeCSS() const;
WEBCORE_EXPORT String colorPropertyCSS(CSSPropertyID, const Color&, bool) const;
#endif
private:
CaptionUserPreferencesMediaAF(PageGroup&);
#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
void updateTimerFired();
bool hasNullCaptionProfile() const;
#endif
#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK) && PLATFORM(COCOA)
static RetainPtr<WebCaptionUserPreferencesMediaAFWeakObserver> createWeakObserver(CaptionUserPreferencesMediaAF*);
const RetainPtr<WebCaptionUserPreferencesMediaAFWeakObserver> m_observer;
#endif
#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
Timer m_updateStyleSheetTimer;
bool m_listeningForPreferenceChanges { false };
bool m_registeringForNotification { false };
#endif
};
} // namespace WebCore
#endif // ENABLE(VIDEO)
|
