chromium/chrome/browser/ash/plugin_vm/plugin_vm_engagement_metrics_service.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_ASH_PLUGIN_VM_PLUGIN_VM_ENGAGEMENT_METRICS_SERVICE_H_
#define CHROME_BROWSER_ASH_PLUGIN_VM_PLUGIN_VM_ENGAGEMENT_METRICS_SERVICE_H_

#include "base/no_destructor.h"
#include "chrome/browser/profiles/profile_keyed_service_factory.h"
#include "components/guest_os/guest_os_engagement_metrics.h"
#include "components/keyed_service/core/keyed_service.h"

class Profile;

namespace plugin_vm {

// A KeyedService for tracking engagement with Plugin VM, reporting values as
// per GuestOsEngagementMetrics.
class PluginVmEngagementMetricsService : public KeyedService {
 public:
  class Factory : public ProfileKeyedServiceFactory {
   public:
    static PluginVmEngagementMetricsService* GetForProfile(Profile* profile);
    static Factory* GetInstance();

   private:
    friend class base::NoDestructor<Factory>;

    Factory();
    ~Factory() override;

    // BrowserContextKeyedServiceFactory:
    std::unique_ptr<KeyedService> BuildServiceInstanceForBrowserContext(
        content::BrowserContext* context) const override;
    bool ServiceIsCreatedWithBrowserContext() const override;
    bool ServiceIsNULLWhileTesting() const override;
  };

  explicit PluginVmEngagementMetricsService(Profile* profile);

  PluginVmEngagementMetricsService(const PluginVmEngagementMetricsService&) =
      delete;
  PluginVmEngagementMetricsService& operator=(
      const PluginVmEngagementMetricsService&) = delete;

  ~PluginVmEngagementMetricsService() override;

  // This needs to be called when Plugin Vm starts and stops being active so we
  // can correctly track background active time.
  void SetBackgroundActive(bool background_active);

 private:
  std::unique_ptr<guest_os::GuestOsEngagementMetrics>
      guest_os_engagement_metrics_;
};

}  // namespace plugin_vm

#endif  // CHROME_BROWSER_ASH_PLUGIN_VM_PLUGIN_VM_ENGAGEMENT_METRICS_SERVICE_H_