chrome/browser/chromeos/app_mode/kiosk_app_update_service.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_SERVICE_H_
   6 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_SERVICE_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/memory/singleton.h"
  13 #include "base/timer/timer.h"
  14 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager_observer.h"
  15 #include "chrome/browser/chromeos/system/automatic_reboot_manager_observer.h"
  16 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  17 #include "components/keyed_service/core/keyed_service.h"
  18 #include "extensions/browser/update_observer.h"
  19
  20 class Profile;
  21
  22 namespace extensions {
  23 class Extension;
  24 }
  25
  26 namespace chromeos {
  27
  28 namespace system {
  29 class AutomaticRebootManager;
  30 }
  31
  32 // This class enforces automatic restart on app and Chrome updates in app mode.
  33 class KioskAppUpdateService : public KeyedService,
  34                               public extensions::UpdateObserver,
  35                               public system::AutomaticRebootManagerObserver,
  36                               public KioskAppManagerObserver {
  37  public:
  38   KioskAppUpdateService(
  39       Profile* profile,
  40       system::AutomaticRebootManager* automatic_reboot_manager);
  41   ~KioskAppUpdateService() override;
  42
  43   void Init(const std::string& app_id);
  44
  45   std::string get_app_id() const { return app_id_; }
  46
  47  private:
  48   friend class KioskAppUpdateServiceTest;
  49
  50   void StartAppUpdateRestartTimer();
  51   void ForceAppUpdateRestart();
  52
  53   // KeyedService overrides:
  54   void Shutdown() override;
  55
  56   // extensions::UpdateObserver overrides:
  57   void OnAppUpdateAvailable(const extensions::Extension* extension) override;
  58   void OnChromeUpdateAvailable() override {}
  59
  60   // system::AutomaticRebootManagerObserver overrides:
  61   void OnRebootRequested(Reason reason) override;
  62   void WillDestroyAutomaticRebootManager() override;
  63
  64   // KioskAppManagerObserver overrides:
  65   void OnKioskAppCacheUpdated(const std::string& app_id) override;
  66
  67   Profile* profile_;
  68   std::string app_id_;
  69
  70   // After we detect an upgrade we start a one-short timer to force restart.
  71   base::OneShotTimer<KioskAppUpdateService> restart_timer_;
  72
  73   system::AutomaticRebootManager* automatic_reboot_manager_;  // Not owned.
  74
  75   DISALLOW_COPY_AND_ASSIGN(KioskAppUpdateService);
  76 };
  77
  78 // Singleton that owns all KioskAppUpdateServices and associates them with
  79 // profiles.
  80 class KioskAppUpdateServiceFactory : public BrowserContextKeyedServiceFactory {
  81  public:
  82   // Returns the KioskAppUpdateService for |profile|, creating it if it is not
  83   // yet created.
  84   static KioskAppUpdateService* GetForProfile(Profile* profile);
  85
  86   // Returns the KioskAppUpdateServiceFactory instance.
  87   static KioskAppUpdateServiceFactory* GetInstance();
  88
  89  private:
  90   friend struct DefaultSingletonTraits<KioskAppUpdateServiceFactory>;
  91
  92   KioskAppUpdateServiceFactory();
  93   ~KioskAppUpdateServiceFactory() override;
  94
  95   // BrowserContextKeyedServiceFactory overrides:
  96   KeyedService* BuildServiceInstanceFor(
  97       content::BrowserContext* profile) const override;
  98 };
  99
 100 }  // namespace chromeos
 101
 102 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_SERVICE_H_