gecko-dev/widget/ThemeChangeKind.h

36 строки
1.2 KiB
C++

/* -*- 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/. */
#ifndef mozilla_widget_ThemeChangeKind
#define mozilla_widget_ThemeChangeKind
#include "mozilla/TypedEnumBits.h"
namespace mozilla::widget {
enum class ThemeChangeKind : uint8_t {
// This is the cheapest change, no need to forcibly recompute style and/or
// layout.
MediaQueriesOnly = 0,
// Style needs to forcibly be recomputed because some of the stuff that may
// have changed, like system colors, are reflected in the computed style but
// not in the specified style.
Style = 1 << 0,
// Layout needs to forcibly be recomputed because some of the stuff that may
// have changed is layout-dependent, like system font.
Layout = 1 << 1,
// The union of the two flags above.
StyleAndLayout = Style | Layout,
// For IPC serialization purposes.
AllBits = Style | Layout,
};
MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(ThemeChangeKind)
} // namespace mozilla::widget
#endif