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// Copyright 2017 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_OPTIMIZATION_GUIDE_SERVICE_OBSERVER_H_
#define COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_GUIDE_SERVICE_OBSERVER_H_
#include "components/optimization_guide/proto/hints.pb.h"
namespace optimization_guide {
// Encapsulates information about a version of optimization hints data received
// from the components server.
struct ComponentInfo {
ComponentInfo(const base::Version& hints_version,
const base::FilePath& hints_path);
~ComponentInfo();
// The version of the hints content.
const base::Version hints_version;
// The path to the file containing the hints protobuf file.
const base::FilePath hints_path;
};
// Interface for objects that wish to be notified of changes in the Optimization
// Guide Service.
//
// All calls will be made on the IO thread.
class OptimizationGuideServiceObserver {
public:
// Called when the hints have been processed.
virtual void OnHintsProcessed(
const proto::Configuration& config,
const optimization_guide::ComponentInfo& component_info) = 0;
protected:
virtual ~OptimizationGuideServiceObserver() {}
};
} // namespace optimization_guide
#endif // COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_GUIDE_SERVICE_OBSERVER_H_
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