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/*
* Copyright (C) 2012 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 CaptionUserPreferencesMac_h
#define CaptionUserPreferencesMac_h
#if ENABLE(VIDEO_TRACK)
#include "CSSPropertyNames.h"
#include "CaptionUserPreferences.h"
#include "Color.h"
#include <wtf/HashSet.h>
namespace WebCore {
class CaptionUserPreferencesMac : public CaptionUserPreferences {
public:
static PassOwnPtr<CaptionUserPreferencesMac> create(PageGroup* group) { return adoptPtr(new CaptionUserPreferencesMac(group)); }
virtual ~CaptionUserPreferencesMac();
virtual bool userPrefersCaptions() const OVERRIDE;
virtual bool userHasCaptionPreferences() const OVERRIDE;
virtual float captionFontSizeScale() const OVERRIDE;
virtual String captionsStyleSheetOverride() const OVERRIDE;
virtual void registerForCaptionPreferencesChangedCallbacks(CaptionPreferencesChangedListener*) OVERRIDE;
virtual void unregisterForCaptionPreferencesChangedCallbacks(CaptionPreferencesChangedListener*) OVERRIDE;
void captionPreferencesChanged();
private:
CaptionUserPreferencesMac(PageGroup*);
Color captionsWindowColor() const;
Color captionsBackgroundColor() const;
Color captionsTextColor() const;
String captionsDefaultFont() const;
Color captionsEdgeColorForTextColor(const Color&) const;
String captionsTextEdgeStyle() const;
String cssPropertyWithTextEdgeColor(CSSPropertyID, const String&, const Color&) const;
String cssColorProperty(CSSPropertyID, const Color&) const;
void updateCaptionStyleSheetOveride();
HashSet<CaptionPreferencesChangedListener*> m_captionPreferenceChangeListeners;
bool m_listeningForPreferenceChanges;
};
}
#endif
#endif
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