106 lines
4.1 KiB
C++
106 lines
4.1 KiB
C++
/*
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* Copyright (C) 2012-2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(VIDEO)
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#include "CSSPropertyNames.h"
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#include "CaptionPreferencesDelegate.h"
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#include "CaptionUserPreferences.h"
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#include "Color.h"
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namespace WebCore {
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class CaptionUserPreferencesMediaAF : public CaptionUserPreferences {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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CaptionUserPreferencesMediaAF(PageGroup&);
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virtual ~CaptionUserPreferencesMediaAF();
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#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
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CaptionDisplayMode captionDisplayMode() const override;
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void setCaptionDisplayMode(CaptionDisplayMode) override;
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WEBCORE_EXPORT static CaptionDisplayMode platformCaptionDisplayMode();
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WEBCORE_EXPORT static void platformSetCaptionDisplayMode(CaptionDisplayMode);
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WEBCORE_EXPORT static void setCachedCaptionDisplayMode(CaptionDisplayMode);
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bool userPrefersCaptions() const override;
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bool userPrefersSubtitles() const override;
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float captionFontSizeScaleAndImportance(bool&) const override;
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bool captionStrokeWidthForFont(float fontSize, const String& language, float& strokeWidth, bool& important) const override;
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void setInterestedInCaptionPreferenceChanges() override;
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void setPreferredLanguage(const String&) override;
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Vector<String> preferredLanguages() const override;
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WEBCORE_EXPORT static Vector<String> platformPreferredLanguages();
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WEBCORE_EXPORT static void platformSetPreferredLanguage(const String&);
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WEBCORE_EXPORT static void setCachedPreferredLanguages(const Vector<String>&);
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void setPreferredAudioCharacteristic(const String&) override;
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Vector<String> preferredAudioCharacteristics() const override;
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void captionPreferencesChanged() override;
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bool shouldFilterTrackMenu() const { return true; }
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WEBCORE_EXPORT static void setCaptionPreferencesDelegate(std::unique_ptr<CaptionPreferencesDelegate>&&);
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#else
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bool shouldFilterTrackMenu() const { return false; }
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#endif
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String captionsStyleSheetOverride() const override;
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Vector<RefPtr<AudioTrack>> sortedTrackListForMenu(AudioTrackList*) override;
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Vector<RefPtr<TextTrack>> sortedTrackListForMenu(TextTrackList*, HashSet<TextTrack::Kind>) override;
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String displayNameForTrack(AudioTrack*) const override;
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String displayNameForTrack(TextTrack*) const override;
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private:
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#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
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void updateTimerFired();
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String captionsWindowCSS() const;
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String captionsBackgroundCSS() const;
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String captionsTextColorCSS() const;
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Color captionsTextColor(bool&) const;
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String captionsDefaultFontCSS() const;
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String windowRoundedCornerRadiusCSS() const;
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String captionsTextEdgeCSS() const;
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String colorPropertyCSS(CSSPropertyID, const Color&, bool) const;
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Timer m_updateStyleSheetTimer;
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bool m_listeningForPreferenceChanges;
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bool m_registeringForNotification { false };
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#endif
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};
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} // namespace WebCore
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#endif // ENABLE(VIDEO)
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