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// Copyright 2022 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_FEED_CORE_V2_STREAM_INFO_CARD_TRACKER_H_
#define COMPONENTS_FEED_CORE_V2_STREAM_INFO_CARD_TRACKER_H_
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "components/feed/core/proto/v2/wire/info_card.pb.h"
#include "components/feed/core/v2/public/common_enums.h"
class PrefService;
namespace feed {
// Tracks the raw counts of the info cards in order to determine their
// acknowledgement states.
class InfoCardTracker {
public:
explicit InfoCardTracker(PrefService* profile_prefs);
~InfoCardTracker();
InfoCardTracker(const InfoCardTracker&) = delete;
InfoCardTracker& operator=(const InfoCardTracker&) = delete;
// Returns the list of states of all tracked info cards. The returned view
// timestamps will be adjusted to be based on server's clock. The adjustment
// is computed based on `server_timestamp` and `client_timestamp`.
// `server_timestamp` is the server timestamp, in milliseconds from Epoch,
// when the response is produced.
// `client_timestamp` is the client timestamp, in milliseconds from Epoch,
// when the response is received.
std::vector<feedwire::InfoCardTrackingState> GetAllStates(
int64_t server_timestamp,
int64_t client_timestamp) const;
// Called when the info card is fully visible.
void OnViewed(int info_card_type, int minimum_view_interval_seconds);
// Called when the info card is tapped.
void OnClicked(int info_card_type);
// Called when the info card is dismissed explicitly.
void OnDismissed(int info_card_type);
// Reset the state of the info card.
void ResetState(int info_card_type);
private:
feedwire::InfoCardTrackingState GetState(int info_card_type) const;
void SetState(int info_card_type,
const feedwire::InfoCardTrackingState& state);
raw_ptr<PrefService, DanglingUntriaged> profile_prefs_;
};
} // namespace feed
#endif // COMPONENTS_FEED_CORE_V2_STREAM_INFO_CARD_TRACKER_H_
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