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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/metrics/user_metrics_recorder.h"
#include <memory>
#include <vector>
#include "ash/app_list/app_list_metrics.h"
#include "ash/constants/ash_pref_names.h"
#include "ash/login/ui/lock_screen.h"
#include "ash/metrics/demo_session_metrics_recorder.h"
#include "ash/metrics/desktop_task_switch_metric_recorder.h"
#include "ash/metrics/pointer_metrics_recorder.h"
#include "ash/metrics/stylus_metrics_recorder.h"
#include "ash/metrics/touch_usage_metrics_recorder.h"
#include "ash/metrics/wm_feature_metrics_recorder.h"
#include "ash/public/cpp/accessibility_controller_enums.h"
#include "ash/public/cpp/shelf_item.h"
#include "ash/public/cpp/shelf_model.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_view.h"
#include "ash/shell.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "components/prefs/pref_service.h"
namespace ash {
namespace {
// Time between calls to "RecordPeriodicMetrics".
constexpr base::TimeDelta kRecordPeriodicMetricsInterval = base::Minutes(30);
// Returns true if kiosk mode is active.
bool IsKioskModeActive() {
return Shell::Get()->session_controller()->login_status() ==
LoginStatus::KIOSK_APP;
}
// Returns true if there is an active user and their session isn't currently
// locked.
bool IsUserActive() {
SessionControllerImpl* session = Shell::Get()->session_controller();
return session->IsActiveUserSessionStarted() && !session->IsScreenLocked();
}
// Records the number of items in the shelf as an UMA statistic.
void RecordShelfItemCounts() {
int pinned_item_count = 0;
int unpinned_item_count = 0;
for (const ShelfItem& item : ShelfModel::Get()->items()) {
if (item.type == TYPE_PINNED_APP || item.type == TYPE_BROWSER_SHORTCUT)
++pinned_item_count;
else
++unpinned_item_count;
}
UMA_HISTOGRAM_COUNTS_100("Ash.Shelf.NumberOfItems",
pinned_item_count + unpinned_item_count);
UMA_HISTOGRAM_COUNTS_100("Ash.Shelf.NumberOfPinnedItems", pinned_item_count);
UMA_HISTOGRAM_COUNTS_100("Ash.Shelf.NumberOfUnpinnedItems",
unpinned_item_count);
}
} // namespace
UserMetricsRecorder::UserMetricsRecorder()
: wm_feature_metrics_recorder_(
std::make_unique<WMFeatureMetricsRecorder>()) {
StartTimer();
login_metrics_recorder_ = std::make_unique<LoginMetricsRecorder>();
}
UserMetricsRecorder::UserMetricsRecorder(bool record_periodic_metrics) {
if (record_periodic_metrics)
StartTimer();
}
UserMetricsRecorder::~UserMetricsRecorder() {
timer_.Stop();
}
// static
void UserMetricsRecorder::RecordUserClickOnTray(
LoginMetricsRecorder::TrayClickTarget target) {
LoginMetricsRecorder* recorder =
Shell::Get()->metrics()->login_metrics_recorder();
recorder->RecordUserTrayClick(target);
}
// static
void UserMetricsRecorder::RecordUserClickOnShelfButton(
LoginMetricsRecorder::ShelfButtonClickTarget target) {
LoginMetricsRecorder* recorder =
Shell::Get()->metrics()->login_metrics_recorder();
recorder->RecordUserShelfButtonClick(target);
}
void UserMetricsRecorder::StartDemoSessionMetricsRecording() {
demo_session_metrics_recorder_ =
std::make_unique<DemoSessionMetricsRecorder>();
Shell::Get()->AddPreTargetHandler(demo_session_metrics_recorder_.get());
}
void UserMetricsRecorder::OnShellInitialized() {
// Lazy creation of the DesktopTaskSwitchMetricRecorder because it accesses
// Shell::Get() which is not available when |this| is instantiated.
if (!desktop_task_switch_metric_recorder_) {
desktop_task_switch_metric_recorder_ =
std::make_unique<DesktopTaskSwitchMetricRecorder>();
}
pointer_metrics_recorder_ = std::make_unique<PointerMetricsRecorder>();
touch_usage_metrics_recorder_ = std::make_unique<TouchUsageMetricsRecorder>();
stylus_metrics_recorder_ = std::make_unique<StylusMetricsRecorder>();
}
void UserMetricsRecorder::OnShellShuttingDown() {
// Doing the nullptr check as the recorder is not initialized outside demo
// session. It was initialized during StartDemoSessionMetricsRecording().
if (demo_session_metrics_recorder_ != nullptr) {
Shell::Get()->RemovePreTargetHandler(demo_session_metrics_recorder_.get());
demo_session_metrics_recorder_.reset();
}
desktop_task_switch_metric_recorder_.reset();
// To clean up `pointer_metrics_recorder_`, `touch_usage_metrics_recorder_`
// and `stylus_metrics_recorder_`, `wm_feature_metrics_recorder_` properly, a
// valid shell instance is required, so explicitly delete them before the
// shell instance becomes invalid.
pointer_metrics_recorder_.reset();
touch_usage_metrics_recorder_.reset();
stylus_metrics_recorder_.reset();
wm_feature_metrics_recorder_.reset();
}
void UserMetricsRecorder::RecordPeriodicMetrics() {
if (IsUserInActiveDesktopEnvironment()) {
RecordShelfItemCounts();
RecordPeriodicAppListMetrics();
wm_feature_metrics_recorder_->RecordPeriodicalWMMetrics();
}
}
bool UserMetricsRecorder::IsUserInActiveDesktopEnvironment() const {
return IsUserActive() && !IsKioskModeActive();
}
void UserMetricsRecorder::StartTimer() {
timer_.Start(FROM_HERE, kRecordPeriodicMetricsInterval, this,
&UserMetricsRecorder::RecordPeriodicMetrics);
}
} // namespace ash
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