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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_APP_LIST_APP_LIST_FEATURE_USAGE_METRICS_H_
#define ASH_APP_LIST_APP_LIST_FEATURE_USAGE_METRICS_H_
#include <memory>
#include "ash/public/cpp/app_list/app_list_controller_observer.h"
#include "chromeos/ash/components/feature_usage/feature_usage_metrics.h"
namespace ash {
// Tracks app list feature usage for the Standard Feature Usage Logging
// (go/sful) framework. Tracks clamshell app list and tablet mode app list as
// separate features because the user experience is different and some devices
// are not eligible for tablet mode. Both features are tracked from this single
// class.
class AppListFeatureUsageMetrics : public AppListControllerObserver {
public:
AppListFeatureUsageMetrics();
AppListFeatureUsageMetrics(AppListFeatureUsageMetrics&) = delete;
AppListFeatureUsageMetrics& operator=(AppListFeatureUsageMetrics&) = delete;
~AppListFeatureUsageMetrics() override;
private:
// AppListControllerObserver:
void OnAppListVisibilityChanged(bool shown, int64_t display_id) override;
// Helper methods for app list visibility changes.
void OnAppListShown();
void OnAppListHidden();
// Helper methods to record usage of clamshell and tablet launcher.
void StartClamshellUsage();
void StopClamshellUsage();
void StartTabletUsage();
void StopTabletUsage();
std::unique_ptr<feature_usage::FeatureUsageMetrics::Delegate>
clamshell_delegate_;
feature_usage::FeatureUsageMetrics clamshell_metrics_;
bool is_using_clamshell_ = false;
std::unique_ptr<feature_usage::FeatureUsageMetrics::Delegate>
tablet_delegate_;
feature_usage::FeatureUsageMetrics tablet_metrics_;
bool is_using_tablet_ = false;
};
} // namespace ash
#endif // ASH_APP_LIST_APP_LIST_FEATURE_USAGE_METRICS_H_
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