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// Copyright 2016 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_NTP_SNIPPETS_CONTENT_SUGGESTIONS_METRICS_H_
#define COMPONENTS_NTP_SNIPPETS_CONTENT_SUGGESTIONS_METRICS_H_
#include <utility>
#include <vector>
#include "base/time/time.h"
#include "components/ntp_snippets/category.h"
#include "ui/base/window_open_disposition.h"
namespace ntp_snippets {
namespace metrics {
// |is_category_visible| contains true iff the corresponding category can be
// seen by the user on this page (even if it is empty). It does not depend on
// whether the user actually saw the category.
void OnPageShown(const std::vector<Category>& categories,
const std::vector<int>& suggestions_per_category,
const std::vector<bool>& is_category_visible);
// Should only be called once per NTP for each suggestion.
void OnSuggestionShown(int global_position,
Category category,
int position_in_category,
base::Time publish_date,
float score,
base::Time fetch_date);
// TODO(crbug.com/682160): Take struct, so that one could not mix up the
// order of arguments.
void OnSuggestionOpened(int global_position,
Category category,
int category_index,
int position_in_category,
base::Time publish_date,
float score,
WindowOpenDisposition disposition,
bool is_prefetched,
bool is_offline);
void OnSuggestionMenuOpened(int global_position,
Category category,
int position_in_category,
base::Time publish_date,
float score);
void OnSuggestionDismissed(int global_position,
Category category,
int position_in_category,
bool visited);
void OnSuggestionTargetVisited(Category category, base::TimeDelta visit_time);
void OnCategoryMovedUp(int new_index);
// Should only be called once per NTP for each "more" button.
void OnMoreButtonShown(Category category, int position);
void OnMoreButtonClicked(Category category, int position);
void OnCategoryDismissed(Category category);
void RecordRemoteSuggestionsProviderState(bool enabled);
void RecordContentSuggestionDismissed();
void RecordCategoryDismissed();
void RecordFetchAction();
} // namespace metrics
} // namespace ntp_snippets
#endif // COMPONENTS_NTP_SNIPPETS_CONTENT_SUGGESTIONS_SERVICE_H_
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