зеркало из https://github.com/mozilla/gecko-dev.git
56 строки
1.3 KiB
C++
56 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* enum to represent a level in the cascade */
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#ifndef mozilla_SheetType_h
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#define mozilla_SheetType_h
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#include <stdint.h>
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namespace mozilla {
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// The "origins" of the CSS cascade, from lowest precedence to
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// highest (for non-!important rules).
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//
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// Be sure to update NS_RULE_NODE_LEVEL_MASK when changing the number
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// of sheet types; static assertions enforce this.
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enum class SheetType : uint8_t {
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Agent, // CSS
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User, // CSS
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PresHint,
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Doc, // CSS
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ScopedDoc, // CSS
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StyleAttr,
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Override, // CSS
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Animation,
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Transition,
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Count,
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Unknown = 0xff
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};
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// Returns whether aSheetType represents a level of the cascade that uses
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// a StyleSheet object.
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inline bool
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IsCSSSheetType(SheetType aSheetType)
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{
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switch (aSheetType) {
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case SheetType::Agent:
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case SheetType::User:
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case SheetType::Doc:
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case SheetType::ScopedDoc:
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case SheetType::Override:
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return true;
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default:
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return false;
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}
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}
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} // namespace mozilla
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#endif // mozilla_SheetType_h
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