src/chrome/browser/chromeos/login/login_location_monitor.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_CHROMEOS_LOGIN_LOGIN_LOCATION_MONITOR_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_LOCATION_MONITOR_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/singleton.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "base/time/time.h"
  12 #include "base/timer/timer.h"
  13 #include "content/public/browser/geolocation_provider.h"
  14
  15 namespace chromeos {
  16
  17 // This class does one-time Geoposition resolve for OOBE.
  18 // It stops after first valid position received or when timeout occurs.
  19 // Valid position is sent to WizardController to resolve timezone.
  20 class LoginLocationMonitor {
  21  public:
  22   ~LoginLocationMonitor();
  23
  24   // Called on UI thread.
  25   static void InstallLocationCallback(const base::TimeDelta timeout);
  26   static void RemoveLocationCallback();
  27
  28  private:
  29   friend struct DefaultSingletonTraits<LoginLocationMonitor>;
  30   friend class Singleton<chromeos::LoginLocationMonitor>;
  31
  32   LoginLocationMonitor();
  33
  34   // Called on UI thread.
  35   static LoginLocationMonitor* GetInstance();
  36
  37   // Called on IO thread.
  38   static void DoInstallLocationCallback(
  39       content::GeolocationProvider::LocationUpdateCallback callback);
  40   static void DoRemoveLocationCallback(
  41       content::GeolocationProvider::LocationUpdateCallback callback);
  42
  43   // OnLocationUpdated comes on IO thread and should be passed to UI thread.
  44   static void OnLocationUpdatedIO(const content::Geoposition& position);
  45   static void OnLocationUpdatedUI(const content::Geoposition& position);
  46
  47   base::WeakPtrFactory<LoginLocationMonitor> weak_factory_;
  48   content::GeolocationProvider::LocationUpdateCallback on_location_update_;
  49   base::OneShotTimer<LoginLocationMonitor> request_timeout_;
  50
  51   base::Time started_;
  52
  53   DISALLOW_COPY_AND_ASSIGN(LoginLocationMonitor);
  54 };
  55
  56 }  // namespace chromeos
  57
  58 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_LOCATION_MONITOR_H_