gecko/layout/style/CSS.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* DOM object holding utility CSS functions */

#ifndef mozilla_dom_CSS_h_
#define mozilla_dom_CSS_h_

#include "mozilla/Attributes.h"
#include "mozilla/Preferences.h"

namespace mozilla {

class ErrorResult;

namespace dom {

class GlobalObject;

class CSS {
private:
  CSS() MOZ_DELETE;

public:
  static bool Supports(const GlobalObject& aGlobal,
                       const nsAString& aProperty,
                       const nsAString& aValue,
                       ErrorResult& aRv);

  static bool Supports(const GlobalObject& aGlobal,
                       const nsAString& aDeclaration,
                       ErrorResult& aRv);

  static bool PrefEnabled()
  {
    return Preferences::GetBool("layout.css.supports-rule.enabled");
  }
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_CSS_h_