gecko-dev/layout/base/MediaEmulationData.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

/* Common data for media query emulation by DevTools, hanging off nsPresContext
 */

#ifndef mozilla_MediaEmulationData_h
#define mozilla_MediaEmulationData_h

#include "nsAtom.h"
#include "mozilla/Maybe.h"

namespace mozilla {

enum class StylePrefersColorScheme : uint8_t;

struct MediaEmulationData final {
  MediaEmulationData() = default;

  RefPtr<nsAtom> mMedium;
  float mDPPX = 0.0;
  Maybe<StylePrefersColorScheme> mPrefersColorScheme;
};

}  // namespace mozilla

#endif