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// Copyright 2023 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/ui/tabs/organization/metrics.h"
#include <cstdint>
#include <functional>
#include <vector>
#include "base/no_destructor.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "content/public/browser/web_contents.h"
#include "services/metrics/public/cpp/metrics_utils.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
namespace {
// Max number of tabs within 3 std deviations of mean.
int kMaxLoggedTabs = 115;
} // namespace
void LogTabStripOrganizationUKM(
const TabStripModel* tab_strip_model,
SuggestedTabStripOrganizationReason organization_reason) {
// If there's no tabstrip model, then dont log. This could happen during
// startup or shutdown.
if (!tab_strip_model) {
return;
}
// If there's no active index its likely the tabstrip is in startup or
// shutdown.
if (tab_strip_model->active_index() == TabStripModel::kNoTab) {
return;
}
// Create an event id to tie the UKM rows together.
base::Time event_time = base::Time::Now();
int64_t tab_strip_event_id =
event_time.ToDeltaSinceWindowsEpoch().InMicroseconds();
// Iterate through all webcontents logging UKM metrics.
for (int tab_index = 0;
tab_index < std::min(tab_strip_model->count(), kMaxLoggedTabs);
tab_index++) {
// Get the tab at this index.
content::WebContents* contents =
tab_strip_model->GetWebContentsAt(tab_index);
// Get group information at the index.
std::optional<tab_groups::TabGroupId> maybe_group_id =
tab_strip_model->GetTabGroupForTab(tab_index);
// Add all
ukm::builders::TabStripOrganization(
contents->GetPrimaryMainFrame()->GetPageUkmSourceId())
.SetTabStripEventID(tab_strip_event_id)
.SetTabGroupID(maybe_group_id.has_value()
? maybe_group_id.value().token().low()
: 0)
.SetIsActiveTab(tab_index == tab_strip_model->active_index())
.SetMinutesSinceLastActive(ukm::GetExponentialBucketMin(
(base::TimeTicks::Now() - contents->GetLastActiveTimeTicks())
.InMinutes(),
/*bucket_spacing=*/1.3))
.SetSuggestedTabStripOrganizationReason(
static_cast<int>(organization_reason))
.Record(ukm::UkmRecorder::Get());
}
}
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