| // Copyright 2022 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_PRELOADING_H_ |
| #define CONTENT_BROWSER_PRELOADING_PRELOADING_H_ |
| |
| #include "content/public/browser/preloading.h" |
| |
| namespace content { |
| |
| // Defines various //content triggering mechanisms which trigger different |
| // preloading operations mentioned in content/public/browser/preloading.h. |
| |
| // These values are persisted to logs. Entries should not be renumbered and |
| // numeric values should never be reused. |
| |
| // If you change this, please follow the process in |
| // go/preloading-dashboard-updates to update the mapping reflected in |
| // dashboard, or if you are not a Googler, please file an FYI bug on |
| // https://crbug.new with component Internals>Preload. |
| namespace content_preloading_predictor { |
| // Advance numbering by +1 when adding a new element. |
| // |
| // Please limit content-internal `PreloadingPredictor` between 50 to 99 |
| // (inclusive) as 0 to 49 are reserved for content-public definitions, and 100 |
| // and beyond are reserved for embedder definitions. Both the value and the name |
| // should be unique across all the namespaces. |
| |
| // This API allows an origin to list possible navigation URLs that the user |
| // might navigate to in order to perform preloading operations. |
| // For more details please see: |
| // https://wicg.github.io/nav-speculation/prerendering.html#speculation-rules |
| static constexpr PreloadingPredictor kSpeculationRules(50, "SpeculationRules"); |
| |
| // TODO(crbug.com/1309934): Add more predictors as we integrate Preloading |
| // logging. |
| } // namespace content_preloading_predictor |
| |
| CONTENT_EXPORT base::StringPiece PreloadingTypeToString(PreloadingType type); |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_PRELOADING_PRELOADING_H_ |