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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_FEATURE_CONFIG_CONDITION_VALIDATOR_H_
#define COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_FEATURE_CONFIG_CONDITION_VALIDATOR_H_
#include <stdint.h>
#include <map>
#include "base/macros.h"
#include "components/feature_engagement/internal/condition_validator.h"
namespace feature_engagement {
class AvailabilityModel;
struct Comparator;
struct EventConfig;
class EventModel;
// A ConditionValidator that uses the FeatureConfigs as the source of truth.
class FeatureConfigConditionValidator : public ConditionValidator {
public:
FeatureConfigConditionValidator();
~FeatureConfigConditionValidator() override;
// ConditionValidator implementation.
ConditionValidator::Result MeetsConditions(
const base::Feature& feature,
const FeatureConfig& config,
const EventModel& event_model,
const AvailabilityModel& availability_model,
const DisplayLockController& display_lock_controller,
uint32_t current_day) const override;
void NotifyIsShowing(
const base::Feature& feature,
const FeatureConfig& config,
const std::vector<std::string>& all_feature_names) override;
void NotifyDismissed(const base::Feature& feature) override;
private:
bool EventConfigMeetsConditions(const EventConfig& event_config,
const EventModel& event_model,
uint32_t current_day) const;
bool AvailabilityMeetsConditions(const base::Feature& feature,
Comparator comparator,
const AvailabilityModel& availability_model,
uint32_t current_day) const;
bool SessionRateMeetsConditions(const Comparator session_rate,
const base::Feature& feature) const;
// Whether in-product help is currently being shown.
bool currently_showing_;
// Stores how many times features that impact a given feature have been shown.
// By default, all features impact each other, but some features override this
// through the use of |session_rate_impact|.
std::map<std::string, uint32_t> times_shown_for_feature_;
DISALLOW_COPY_AND_ASSIGN(FeatureConfigConditionValidator);
};
} // namespace feature_engagement
#endif // COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_FEATURE_CONFIG_CONDITION_VALIDATOR_H_
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