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/*
* Copyright (C) 2012-2015 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.
*/
#ifndef CaptionUserPreferencesMediaAF_h
#define CaptionUserPreferencesMediaAF_h
#if ENABLE(VIDEO_TRACK)
#include "CSSPropertyNames.h"
#include "CaptionUserPreferences.h"
#include "Color.h"
#include <wtf/HashSet.h>
namespace WebCore {
class CaptionUserPreferencesMediaAF : public CaptionUserPreferences {
WTF_MAKE_FAST_ALLOCATED;
public:
CaptionUserPreferencesMediaAF(PageGroup&);
virtual ~CaptionUserPreferencesMediaAF();
#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
virtual CaptionDisplayMode captionDisplayMode() const override;
virtual void setCaptionDisplayMode(CaptionDisplayMode) override;
virtual bool userPrefersCaptions() const override;
virtual bool userPrefersSubtitles() const override;
virtual float captionFontSizeScaleAndImportance(bool&) const override;
virtual void setInterestedInCaptionPreferenceChanges() override;
virtual void setPreferredLanguage(const String&) override;
virtual Vector<String> preferredLanguages() const override;
virtual void setPreferredAudioCharacteristic(const String&) override;
virtual Vector<String> preferredAudioCharacteristics() const override;
virtual void captionPreferencesChanged() override;
bool shouldFilterTrackMenu() const { return true; }
#else
bool shouldFilterTrackMenu() const { return false; }
#endif
virtual String captionsStyleSheetOverride() const override;
virtual int textTrackSelectionScore(TextTrack*, HTMLMediaElement*) const override;
Vector<RefPtr<AudioTrack>> sortedTrackListForMenu(AudioTrackList*) override;
Vector<RefPtr<TextTrack>> sortedTrackListForMenu(TextTrackList*) override;
String displayNameForTrack(AudioTrack*) const override;
String displayNameForTrack(TextTrack*) const override;
private:
#if HAVE(MEDIA_ACCESSIBILITY_FRAMEWORK)
void updateTimerFired();
String captionsWindowCSS() const;
String captionsBackgroundCSS() const;
String captionsTextColorCSS() const;
Color captionsTextColor(bool&) const;
String captionsDefaultFontCSS() const;
Color captionsEdgeColorForTextColor(const Color&) const;
String windowRoundedCornerRadiusCSS() const;
String captionsTextEdgeCSS() const;
String cssPropertyWithTextEdgeColor(CSSPropertyID, const String&, const Color&, bool) const;
String colorPropertyCSS(CSSPropertyID, const Color&, bool) const;
Timer m_updateStyleSheetTimer;
bool m_listeningForPreferenceChanges;
bool m_registeringForNotification { false };
#endif
};
}
#endif
#endif
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