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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/app_list/search/app_result.h"
#include "base/time/time.h"
namespace app_list {
AppResult::AppResult(Profile* profile,
const std::string& app_id,
AppListControllerDelegate* controller,
bool is_recommendation)
: profile_(profile),
app_id_(app_id),
controller_(controller) {
SetDisplayType(ash::SearchResultDisplayType::kList);
SetResultType(ash::AppListSearchResultType::kInstalledApp);
SetMetricsType(ash::SEARCH_RESULT_TYPE_BOUNDARY);
SetIsRecommendation(is_recommendation);
SetCategory(Category::kApps);
}
AppResult::~AppResult() = default;
void AppResult::UpdateFromLastLaunchedOrInstalledTime(
const base::Time& current_time,
const base::Time& old_time) {
// |current_time| can be before |old_time| in weird cases such as users
// playing with their clocks. Handle this gracefully.
if (current_time < old_time) {
set_relevance(1.0);
return;
}
const double weeks = (current_time - old_time) / base::Days(7);
// Set the relevance to a value between 0 and 1. This function decays as the
// time delta increases and reaches a value of 0.5 at 1 week.
set_relevance(1 / (weeks + 1));
}
} // namespace app_list
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