chrome/browser/ui/webui/chromeos/login/demo_mode_detector.h

   1 // Copyright 2014 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_UI_WEBUI_CHROMEOS_LOGIN_DEMO_MODE_DETECTOR_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_DEMO_MODE_DETECTOR_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/weak_ptr.h"
  11 #include "base/time/time.h"
  12 #include "base/timer/timer.h"
  13 #include "chrome/browser/chromeos/idle_detector.h"
  14
  15 class PrefRegistrySimple;
  16
  17 namespace chromeos {
  18
  19 // Helper for idle state and demo-mode detection.
  20 // Should be initialized on OOBE start.
  21 class DemoModeDetector {
  22  public:
  23   DemoModeDetector();
  24   virtual ~DemoModeDetector();
  25
  26   void InitDetection();
  27   void StopDetection();
  28
  29   // Registers the preference for derelict state.
  30   static void RegisterPrefs(PrefRegistrySimple* registry);
  31
  32  private:
  33   void StartIdleDetection();
  34   void StartOobeTimer();
  35   void OnIdle();
  36   void OnOobeTimerUpdate();
  37   void SetupTimeouts();
  38   bool IsDerelict();
  39
  40   // Total time this machine has spent on OOBE.
  41   base::TimeDelta time_on_oobe_;
  42
  43   scoped_ptr<IdleDetector> idle_detector_;
  44
  45   base::RepeatingTimer<DemoModeDetector> oobe_timer_;
  46
  47   // Timeout to detect if the machine is in a derelict state.
  48   base::TimeDelta derelict_detection_timeout_;
  49
  50   // Timeout before showing our demo app if the machine is in a derelict state.
  51   base::TimeDelta derelict_idle_timeout_;
  52
  53   // Time between updating our total time on oobe.
  54   base::TimeDelta oobe_timer_update_interval_;
  55
  56   bool demo_launched_;
  57
  58   base::WeakPtrFactory<DemoModeDetector> weak_ptr_factory_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(DemoModeDetector);
  61 };
  62
  63 }  // namespace chromeos
  64
  65 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_DEMO_MODE_DETECTOR_H_