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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.
#include <memory>
#include <vector>
#include "base/callback_forward.h"
#include "base/files/file_path.h"
#include "chrome/browser/profiles/profile_statistics_common.h"
#include "components/browsing_data/core/counters/browsing_data_counter.h"
class Profile;
class ProfileStatisticsAggregator {
// This class is used internally by ProfileStatistics
// The class collects statistical information about the profile and returns
// the information via a callback function. Currently bookmarks, history,
// logins and sites with autofill forms are counted.
ProfileStatisticsAggregator(Profile* profile,
const base::Closure& done_callback);
void AddCallbackAndStartAggregator(
const profiles::ProfileStatisticsCallback& stats_callback);
// Start gathering statistics. Also cancels existing statistics tasks.
void StartAggregator();
// Callback functions
// Appends result to |profile_category_stats_|, and then calls
// the external callback.
void StatisticsCallback(const char* category, int count);
// Callback for counters.
void OnCounterResult(
std::unique_ptr<browsing_data::BrowsingDataCounter::Result> result);
// Registers, initializes and starts a BrowsingDataCounter.
void AddCounter(std::unique_ptr<browsing_data::BrowsingDataCounter> counter);
Profile* profile_;
base::FilePath profile_path_;
profiles::ProfileCategoryStats profile_category_stats_;
// Callback function to be called when results arrive. Will be called
// multiple times (once for each statistics).
std::vector<profiles::ProfileStatisticsCallback> stats_callbacks_;
// Callback function to be called when all statistics are calculated.
base::Closure done_callback_;
std::vector<std::unique_ptr<browsing_data::BrowsingDataCounter>> counters_;