FetchPriority.h (1995B)
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_dom_FetchPriority_h 8 #define mozilla_dom_FetchPriority_h 9 10 #include <cstdint> 11 12 namespace mozilla { 13 class LazyLogModule; 14 15 namespace dom { 16 17 enum class RequestPriority : uint8_t; 18 19 // <https://html.spec.whatwg.org/multipage/urls-and-fetching.html#fetch-priority-attributes>. 20 enum class FetchPriority : uint8_t { High, Low, Auto }; 21 22 FetchPriority ToFetchPriority(RequestPriority aRequestPriority); 23 24 #define FETCH_PRIORITY_ADJUSTMENT_FOR(feature, fetchPriority) \ 25 (fetchPriority == FetchPriority::Auto \ 26 ? StaticPrefs::network_fetchpriority_adjustments_##feature##_auto() \ 27 : (fetchPriority == FetchPriority::High \ 28 ? StaticPrefs:: \ 29 network_fetchpriority_adjustments_##feature##_high() \ 30 : (fetchPriority == FetchPriority::Low \ 31 ? StaticPrefs:: \ 32 network_fetchpriority_adjustments_##feature##_low() \ 33 : 0))) 34 35 // @param aSupportsPriority see <nsISupportsPriority.idl>. 36 void LogPriorityMapping(LazyLogModule& aLazyLogModule, 37 FetchPriority aFetchPriority, 38 int32_t aSupportsPriority); 39 40 constexpr const char kFetchPriorityAttributeValueHigh[] = "high"; 41 constexpr const char kFetchPriorityAttributeValueLow[] = "low"; 42 constexpr const char kFetchPriorityAttributeValueAuto[] = "auto"; 43 44 } // namespace dom 45 } // namespace mozilla 46 47 #endif // mozilla_dom_FetchPriority_h