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// Copyright 2020 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_EXTENSIONS_FORCED_EXTENSIONS_FORCE_INSTALLED_METRICS_H_
#define CHROME_BROWSER_EXTENSIONS_FORCED_EXTENSIONS_FORCE_INSTALLED_METRICS_H_
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chrome/browser/extensions/forced_extensions/force_installed_tracker.h"
#include "chrome/browser/extensions/forced_extensions/install_stage_tracker.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/updater/extension_downloader_delegate.h"
#include "extensions/common/extension.h"
class Profile;
namespace extensions {
// Used to report force-installed extension stats to UMA.
// ExtensionService owns this class and outlives it.
class ForceInstalledMetrics : public ForceInstalledTracker::Observer {
public:
ForceInstalledMetrics(ExtensionRegistry* registry,
Profile* profile,
ForceInstalledTracker* tracker,
std::unique_ptr<base::OneShotTimer> timer =
std::make_unique<base::OneShotTimer>());
ForceInstalledMetrics(const ForceInstalledMetrics&) = delete;
ForceInstalledMetrics& operator=(const ForceInstalledMetrics&) = delete;
~ForceInstalledMetrics() override;
// Note: enum used for UMA. Do NOT reorder or remove entries. Don't forget to
// update enums.xml (name: SessionType) when adding new
// entries.
// Type of session for current user. This enum is required as UserType enum
// doesn't support new regular users. See user_manager::UserType enum for
// description of session types other than new and existing regular users.
enum class UserType {
// Session with Regular existing user, which has a user name and password.
USER_TYPE_REGULAR_EXISTING = 0,
USER_TYPE_GUEST = 1,
// Session with Regular new user, which has a user name and password.
USER_TYPE_REGULAR_NEW = 2,
USER_TYPE_PUBLIC_ACCOUNT = 3,
// USER_TYPE_SUPERVISED_DEPRECATED = 4,
USER_TYPE_KIOSK_APP = 5,
USER_TYPE_CHILD = 6,
// USER_TYPE_ARC_KIOSK_APP_DEPRECATED = 7,
USER_TYPE_ACTIVE_DIRECTORY = 8,
USER_TYPE_WEB_KIOSK_APP = 9,
USER_TYPE_KIOSK_IWA = 10,
// Maximum histogram value.
kMaxValue = USER_TYPE_KIOSK_IWA
};
// ForceInstalledTracker::Observer overrides:
//
// Calls ReportMetrics method if there is a non-empty list of
// force-installed extensions, and is responsible for cleanup of
// observers.
void OnForceInstalledExtensionsLoaded() override;
// Calls ReportMetricsOnExtensionsReady method if there is a non-empty list of
// force-installed extensions.
void OnForceInstalledExtensionsReady() override;
// Reports cache status for the force installed extensions.
void OnExtensionDownloadCacheStatusRetrieved(
const ExtensionId& id,
ExtensionDownloaderDelegate::CacheStatus cache_status) override;
private:
// Reports disable reasons for the extensions which are installed but not
// loaded.
void ReportDisableReason(const ExtensionId& extension_id);
// If `kInstallationTimeout` report time elapsed for extensions load,
// otherwise amount of not yet loaded extensions and reasons
// why they were not installed.
void ReportMetrics();
// Reports metrics for sessions when all force installed extensions are ready
// for use.
void ReportMetricsOnExtensionsReady();
const raw_ptr<ExtensionRegistry> registry_;
const raw_ptr<Profile> profile_;
const raw_ptr<ForceInstalledTracker> tracker_;
// Tracks the moment when the class was initialized and used as timer start
// for reporting metrics related to extensions not loaded after 5 minutes.
base::Time start_time_;
// Tracks whether extensions load stats were already for the session.
bool load_reported_ = false;
// Tracks whether extensions ready stats were already reported for the
// session.
bool ready_reported_ = false;
base::ScopedObservation<ForceInstalledTracker,
ForceInstalledTracker::Observer>
tracker_observation_{this};
// Tracks installation reporting timeout.
std::unique_ptr<base::OneShotTimer> timer_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_FORCED_EXTENSIONS_FORCE_INSTALLED_METRICS_H_
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