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// Copyright 2017 The Chromium Authors
// 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_SINGLE_INVALID_CONFIGURATION_H_
#define COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_SINGLE_INVALID_CONFIGURATION_H_
#include <string>
#include <unordered_set>
#include "base/feature_list.h"
#include "build/build_config.h"
#include "components/feature_engagement/public/configuration.h"
namespace feature_engagement {
// An Configuration that always returns the same single invalid configuration,
// regardless of which feature or group. Also holds an empty ConfigMap.
class SingleInvalidConfiguration : public Configuration {
public:
SingleInvalidConfiguration();
SingleInvalidConfiguration(const SingleInvalidConfiguration&) = delete;
SingleInvalidConfiguration& operator=(const SingleInvalidConfiguration&) =
delete;
~SingleInvalidConfiguration() 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;
const GroupConfig& GetGroupConfig(const base::Feature& group) const override;
const GroupConfig& GetGroupConfigByName(
const std::string& group_name) const override;
const Configuration::GroupConfigMap& GetRegisteredGroupConfigs()
const override;
const std::vector<std::string> GetRegisteredGroups() const override;
#if BUILDFLAG(IS_CHROMEOS)
void UpdateConfig(const base::Feature& feature,
const ConfigurationProvider* provider) override;
const Configuration::EventPrefixSet& GetRegisteredAllowedEventPrefixes()
const override;
#endif
private:
// The invalid configuration to always return.
FeatureConfig invalid_feature_config_;
// The invalid group configuration to always return.
GroupConfig invalid_group_config_;
// An empty map.
ConfigMap configs_;
// An empty map.
GroupConfigMap group_configs_;
#if BUILDFLAG(IS_CHROMEOS)
// An empty set.
EventPrefixSet event_prefixes_;
#endif
};
} // namespace feature_engagement
#endif // COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_SINGLE_INVALID_CONFIGURATION_H_
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