layout/style/StylePreloadKind.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_css_StylePreloadKind_h
   8 #define mozilla_css_StylePreloadKind_h
   9
  10 #include <stdint.h>
  11
  12 namespace mozilla::css {
  13
  14 enum class StylePreloadKind : uint8_t {
  15   // Not a preload.
  16   None,
  17   // An speculative load from the parser for a <link rel="stylesheet"> or
  18   // @import stylesheet.
  19   FromParser,
  20   // A preload (speculative or not) for a <link rel="preload" as="style">
  21   // element.
  22   FromLinkRelPreloadElement,
  23   // A preload for a "Link" rel=preload response header.
  24   FromLinkRelPreloadHeader,
  25 };
  26
  27 inline bool IsLinkRelPreload(StylePreloadKind aKind) {
  28   return aKind == StylePreloadKind::FromLinkRelPreloadElement ||
  29          aKind == StylePreloadKind::FromLinkRelPreloadHeader;
  30 }
  31
  32 }  // namespace mozilla::css
  33
  34 #endif  // mozilla_css_StylePreloadKind_h