forked from mirrors/gecko-dev
ac16c226e0
Includes only support for dynamically loading style sheets from `<link>` elements and `Link` header fields. The remaining support, including preloading, is completed in part 3. Differential Revision: https://phabricator.services.mozilla.com/D191745
109 lines
3.1 KiB
C++
109 lines
3.1 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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#include "mozilla/dom/FetchPriority.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/Logging.h"
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#include "mozilla/dom/RequestBinding.h"
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#include "nsISupportsPriority.h"
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#include "nsStringFwd.h"
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namespace mozilla::dom {
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const char* kFetchPriorityAttributeValueHigh = "high";
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const char* kFetchPriorityAttributeValueLow = "low";
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const char* kFetchPriorityAttributeValueAuto = "auto";
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FetchPriority ToFetchPriority(RequestPriority aRequestPriority) {
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switch (aRequestPriority) {
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case RequestPriority::High: {
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return FetchPriority::High;
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}
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case RequestPriority::Low: {
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return FetchPriority::Low;
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}
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case RequestPriority::Auto: {
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return FetchPriority::Auto;
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}
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default: {
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MOZ_ASSERT_UNREACHABLE();
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return FetchPriority::Auto;
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}
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}
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}
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#ifdef DEBUG
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constexpr auto kPriorityHighest = "PRIORITY_HIGHEST"_ns;
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constexpr auto kPriorityHigh = "PRIORITY_HIGH"_ns;
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constexpr auto kPriorityNormal = "PRIORITY_NORMAL"_ns;
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constexpr auto kPriorityLow = "PRIORITY_LOW"_ns;
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constexpr auto kPriorityLowest = "PRIORITY_LOWEST"_ns;
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constexpr auto kPriorityUnknown = "UNKNOWN"_ns;
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/**
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* See <nsISupportsPriority.idl>.
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*/
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static void SupportsPriorityToString(int32_t aSupportsPriority,
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nsACString& aResult) {
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switch (aSupportsPriority) {
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case nsISupportsPriority::PRIORITY_HIGHEST: {
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aResult = kPriorityHighest;
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break;
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}
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case nsISupportsPriority::PRIORITY_HIGH: {
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aResult = kPriorityHigh;
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break;
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}
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case nsISupportsPriority::PRIORITY_NORMAL: {
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aResult = kPriorityNormal;
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break;
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}
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case nsISupportsPriority::PRIORITY_LOW: {
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aResult = kPriorityLow;
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break;
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}
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case nsISupportsPriority::PRIORITY_LOWEST: {
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aResult = kPriorityLowest;
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break;
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}
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default: {
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aResult = kPriorityUnknown;
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break;
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}
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}
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}
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static const char* ToString(FetchPriority aFetchPriority) {
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switch (aFetchPriority) {
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case FetchPriority::Auto: {
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return kFetchPriorityAttributeValueAuto;
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}
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case FetchPriority::Low: {
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return kFetchPriorityAttributeValueLow;
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}
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case FetchPriority::High: {
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return kFetchPriorityAttributeValueHigh;
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}
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default: {
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MOZ_ASSERT_UNREACHABLE();
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return kFetchPriorityAttributeValueAuto;
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}
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}
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}
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#endif // DEBUG
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void LogPriorityMapping(LazyLogModule& aLazyLogModule,
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FetchPriority aFetchPriority,
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int32_t aSupportsPriority) {
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#ifdef DEBUG
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nsDependentCString supportsPriority;
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SupportsPriorityToString(aSupportsPriority, supportsPriority);
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MOZ_LOG(aLazyLogModule, LogLevel::Debug,
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("Mapping priority: %s -> %s", ToString(aFetchPriority),
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supportsPriority.get()));
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#endif // DEBUG
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}
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} // namespace mozilla::dom
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