| // 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_FEATURE_CONFIG_EVENT_STORAGE_VALIDATOR_H_ |
| #define COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_FEATURE_CONFIG_EVENT_STORAGE_VALIDATOR_H_ |
| |
| #include <string> |
| #include <unordered_map> |
| #include <unordered_set> |
| |
| #include "base/macros.h" |
| #include "components/feature_engagement/internal/event_storage_validator.h" |
| #include "components/feature_engagement/public/feature_list.h" |
| |
| namespace feature_engagement { |
| class Configuration; |
| struct EventConfig; |
| struct FeatureConfig; |
| |
| // A EventStorageValidator that uses the FeatureConfig as the source of truth. |
| class FeatureConfigEventStorageValidator : public EventStorageValidator { |
| public: |
| FeatureConfigEventStorageValidator(); |
| ~FeatureConfigEventStorageValidator() override; |
| |
| // EventStorageValidator implementation. |
| bool ShouldStore(const std::string& event_name) const override; |
| bool ShouldKeep(const std::string& event_name, |
| uint32_t event_day, |
| uint32_t current_day) const override; |
| |
| // Set up internal configuration required for the given |features|. |
| void InitializeFeatures(FeatureVector features, |
| const Configuration& configuration); |
| |
| // Resets the full state of this EventStorageValidator. After calling this |
| // method it is valid to call InitializeFeatures() again. |
| void ClearForTesting(); |
| |
| private: |
| // Updates the internal configuration with conditions from the given |
| // |feature_config|. |
| void InitializeFeatureConfig(const FeatureConfig& feature_config); |
| |
| // Updates the internal configuration with conditions from the given |
| // |event_config|. |
| void InitializeEventConfig(const EventConfig& event_config); |
| |
| // Contains an entry for each of the events that any EventConfig required to |
| // be stored. |
| std::unordered_set<std::string> should_store_event_names_; |
| |
| // Contains the longest time to store each event across all EventConfigs, |
| // as a number of days. |
| std::unordered_map<std::string, uint32_t> longest_storage_times_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FeatureConfigEventStorageValidator); |
| }; |
| |
| } // namespace feature_engagement |
| |
| #endif // COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_FEATURE_CONFIG_EVENT_STORAGE_VALIDATOR_H_ |