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- // Copyright 2020 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef COMPONENTS_OPTIMIZATION_GUIDE_CORE_PREDICTION_MODEL_DOWNLOAD_OBSERVER_H_
- #define COMPONENTS_OPTIMIZATION_GUIDE_CORE_PREDICTION_MODEL_DOWNLOAD_OBSERVER_H_
- #include "base/observer_list_types.h"
- #include "components/optimization_guide/proto/models.pb.h"
- namespace optimization_guide {
- // Observes the PredictionModelDownloadManager for downloads that have
- // completed.
- class PredictionModelDownloadObserver : public base::CheckedObserver {
- public:
- // Invoked when a model has been downloaded and verified.
- virtual void OnModelReady(const proto::PredictionModel& model) = 0;
- // Invoked when a model download started.
- virtual void OnModelDownloadStarted(
- proto::OptimizationTarget optimization_target) = 0;
- // Invoked when a model download, its extraction, verification, etc., failed.
- virtual void OnModelDownloadFailed(
- proto::OptimizationTarget optimization_target) = 0;
- };
- } // namespace optimization_guide
- #endif // COMPONENTS_OPTIMIZATION_GUIDE_CORE_PREDICTION_MODEL_DOWNLOAD_OBSERVER_H_
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