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// 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"
#include "content/common/content_export.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.
enum class ContentPreloadingPredictor {
// Numbering starts from `kPreloadingPredictorContentStart` defined in
// //content/public/preloading.h. Advance numbering by +1 after adding a new
// element.
// 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
kSpeculationRules =
static_cast<int>(PreloadingPredictor::kPreloadingPredictorContentStart),
// TODO(crbug.com/1309934): Add more predictors as we integrate Preloading
// logging.
};
// Helper method to convert ContentPreloadingPredictor to
// content::PreloadingPredictor to avoid casting.
PreloadingPredictor CONTENT_EXPORT
ToPreloadingPredictor(ContentPreloadingPredictor predictor);
} // namespace content
#endif // CONTENT_BROWSER_PRELOADING_PRELOADING_H_
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