| // Copyright 2025 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_PRELOADING_SPECULATION_RULES_SPECULATION_RULES_UTIL_H_ |
| #define CONTENT_BROWSER_PRELOADING_SPECULATION_RULES_SPECULATION_RULES_UTIL_H_ |
| |
| #include "base/feature_list.h" |
| #include "third_party/blink/public/common/features.h" |
| #include "third_party/blink/public/mojom/speculation_rules/speculation_rules.mojom-shared.h" |
| |
| namespace content { |
| |
| // Distinguishes the given speculation eagerness should be treated as |
| // "immediate" eagerness. Note that This means that non-`kImmediate` eagerness |
| // may behaves as `kImmediate`. |
| inline constexpr bool IsImmediateSpeculationEagerness( |
| blink::mojom::SpeculationEagerness eagerness) { |
| switch (eagerness) { |
| // Currently, `kEager` behaves the same as `kImmediate`, |
| // but it will be changed in the near future as ongoing improvements on |
| // `kEager` trigger strategies. |
| // TODO(crbug.com/40287486): Update this according to the latest situation. |
| case blink::mojom::SpeculationEagerness::kImmediate: |
| return true; |
| case blink::mojom::SpeculationEagerness::kEager: |
| return !base::FeatureList::IsEnabled( |
| blink::features::kPreloadingEagerHeuristics); |
| case blink::mojom::SpeculationEagerness::kModerate: |
| case blink::mojom::SpeculationEagerness::kConservative: |
| return false; |
| } |
| } |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_PRELOADING_SPECULATION_RULES_SPECULATION_RULES_UTIL_H_ |
