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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_FEATURE_ENGAGEMENT_INTERNAL_CHROME_VARIATIONS_CONFIGURATION_H_
#define COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_CHROME_VARIATIONS_CONFIGURATION_H_
#include "base/feature_list.h"
#include "components/feature_engagement/public/configuration.h"
#include "components/feature_engagement/public/feature_list.h"
namespace feature_engagement {
// A ChromeVariationsConfiguration provides a configuration that is parsed from
// Chrome variations feature params. It is required to call
// ParseFeatureConfigs(...) with all the features that should be parsed.
class ChromeVariationsConfiguration : public Configuration {
public:
ChromeVariationsConfiguration();
ChromeVariationsConfiguration(const ChromeVariationsConfiguration&) = delete;
ChromeVariationsConfiguration& operator=(
const ChromeVariationsConfiguration&) = delete;
~ChromeVariationsConfiguration() override;
// Configuration implementation.
const FeatureConfig& GetFeatureConfig(
const base::Feature& feature) const override;
const FeatureConfig& GetFeatureConfigByName(
const std::string& feature_name) const override;
const Configuration::ConfigMap& GetRegisteredFeatureConfigs() const override;
const std::vector<std::string> GetRegisteredFeatures() const override;
// Parses the variations configuration for all of the given |features| and
// stores the result. It is only valid to call ParseFeatureConfig once.
void ParseFeatureConfigs(const FeatureVector& features);
private:
void ParseFeatureConfig(const base::Feature* feature,
const FeatureVector& all_features);
// Returns true if FeatureConfig was found with a local hard coded
// configuration.
bool MaybeAddClientSideFeatureConfig(const base::Feature* feature);
// The current configurations.
ConfigMap configs_;
};
} // namespace feature_engagement
#endif // COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_CHROME_VARIATIONS_CONFIGURATION_H_
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