| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_ARC_BOOT_PHASE_MONITOR_ARC_BOOT_PHASE_MONITOR_BRIDGE_H_ |
| #define CHROME_BROWSER_CHROMEOS_ARC_BOOT_PHASE_MONITOR_ARC_BOOT_PHASE_MONITOR_BRIDGE_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/singleton.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/observer_list_types.h" |
| #include "base/threading/thread_checker.h" |
| #include "base/time/time.h" |
| #include "chrome/browser/chromeos/arc/arc_session_manager.h" |
| #include "chrome/browser/sessions/session_restore_observer.h" |
| #include "components/account_id/account_id.h" |
| #include "components/arc/arc_browser_context_keyed_service_factory_base.h" |
| #include "components/arc/mojom/boot_phase_monitor.mojom.h" |
| #include "components/keyed_service/core/keyed_service.h" |
| |
| namespace content { |
| class BrowserContext; |
| } // namespace content |
| |
| namespace arc { |
| |
| class ArcBridgeService; |
| |
| // Receives events regarding ARC boot phase from both ARC and Chrome, and do |
| // either one-time or continuous container priority adjustment / UMA recording |
| // in response. |
| class ArcBootPhaseMonitorBridge : public KeyedService, |
| public mojom::BootPhaseMonitorHost, |
| public ArcSessionManager::Observer { |
| public: |
| class Delegate { |
| public: |
| virtual ~Delegate() = default; |
| virtual void RecordFirstAppLaunchDelayUMA(base::TimeDelta delta) = 0; |
| }; |
| |
| class Observer : public base::CheckedObserver { |
| public: |
| ~Observer() override = default; |
| virtual void OnBootCompleted() = 0; |
| }; |
| |
| // Returns singleton instance for the given BrowserContext, |
| // or nullptr if the browser |context| is not allowed to use ARC. |
| static ArcBootPhaseMonitorBridge* GetForBrowserContext( |
| content::BrowserContext* context); |
| static ArcBootPhaseMonitorBridge* GetForBrowserContextForTesting( |
| content::BrowserContext* context); |
| |
| // Records Arc.FirstAppLaunchDelay.TimeDelta UMA in the following way: |
| // |
| // * If ARC has already fully started, record the UMA with 0. |
| // * If ARC hasn't fully started yet, record the UMA in OnBootCompleted() |
| // later. |
| // * If |first_app_launch_delay_recorded_| is true, do nothing. |
| // |
| // This function must be called every time when Chrome browser tries to launch |
| // an ARC app. |
| static void RecordFirstAppLaunchDelayUMA(content::BrowserContext* context); |
| |
| ArcBootPhaseMonitorBridge(content::BrowserContext* context, |
| ArcBridgeService* bridge_service); |
| ~ArcBootPhaseMonitorBridge() override; |
| |
| void AddObserver(Observer* observer); |
| void RemoveObserver(Observer* observer); |
| |
| // mojom::BootPhaseMonitorHost |
| void OnBootCompleted() override; |
| |
| // ArcSessionManager::Observer |
| void OnArcSessionStopped(ArcStopReason stop_reason) override; |
| void OnArcSessionRestarting() override; |
| |
| void SetDelegateForTesting(std::unique_ptr<Delegate> delegate); |
| void RecordFirstAppLaunchDelayUMAForTesting() { |
| RecordFirstAppLaunchDelayUMAInternal(); |
| } |
| |
| private: |
| void RecordFirstAppLaunchDelayUMAInternal(); |
| void Reset(); |
| |
| THREAD_CHECKER(thread_checker_); |
| |
| ArcBridgeService* const arc_bridge_service_; // Owned by ArcServiceManager. |
| const AccountId account_id_; |
| std::unique_ptr<Delegate> delegate_; |
| base::ObserverList<Observer> observers_; |
| |
| // The following variables must be reset every time when the instance stops or |
| // restarts. |
| base::TimeTicks app_launch_time_; |
| bool first_app_launch_delay_recorded_ = false; |
| bool boot_completed_ = false; |
| |
| // This has to be the last member variable in the class. |
| base::WeakPtrFactory<ArcBootPhaseMonitorBridge> weak_ptr_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(ArcBootPhaseMonitorBridge); |
| }; |
| |
| // Singleton factory for ArcBootPhaseMonitorBridge. |
| class ArcBootPhaseMonitorBridgeFactory |
| : public internal::ArcBrowserContextKeyedServiceFactoryBase< |
| ArcBootPhaseMonitorBridge, |
| ArcBootPhaseMonitorBridgeFactory> { |
| public: |
| // Factory name used by ArcBrowserContextKeyedServiceFactoryBase. |
| static constexpr const char* kName = "ArcBootPhaseMonitorBridgeFactory"; |
| |
| static ArcBootPhaseMonitorBridgeFactory* GetInstance(); |
| |
| private: |
| friend base::DefaultSingletonTraits<ArcBootPhaseMonitorBridgeFactory>; |
| |
| ArcBootPhaseMonitorBridgeFactory() = default; |
| |
| ~ArcBootPhaseMonitorBridgeFactory() override = default; |
| }; |
| |
| } // namespace arc |
| |
| #endif // CHROME_BROWSER_CHROMEOS_ARC_BOOT_PHASE_MONITOR_ARC_BOOT_PHASE_MONITOR_BRIDGE_H_ |