chrome/browser/metrics/variations/variations_request_scheduler_mobile.h

   1 // Copyright (c) 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_METRICS_VARIATIONS_VARIATIONS_REQUEST_SCHEDULER_MOBILE_H_
   6 #define CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_REQUEST_SCHEDULER_MOBILE_H_
   7
   8 #include "base/bind.h"
   9 #include "chrome/browser/metrics/variations/variations_request_scheduler.h"
  10
  11 class PrefService;
  12
  13 namespace chrome_variations {
  14
  15 // A specialized VariationsRequestScheduler that manages request cycles for
  16 // VariationsService on mobile platforms.
  17 class VariationsRequestSchedulerMobile : public VariationsRequestScheduler {
  18  public:
  19   // |task} is the closure to call when the scheduler deems ready. |local_state|
  20   // is the PrefService that contains the time of the last fetch.
  21   explicit VariationsRequestSchedulerMobile(const base::Closure& task,
  22                                             PrefService* local_state);
  23   virtual ~VariationsRequestSchedulerMobile();
  24
  25   // Base class overrides.
  26   virtual void Start() OVERRIDE;
  27   virtual void Reset() OVERRIDE;
  28
  29  private:
  30   // The local state instance that provides the last fetch time.
  31   PrefService* local_state_;
  32
  33   DISALLOW_COPY_AND_ASSIGN(VariationsRequestSchedulerMobile);
  34 };
  35
  36 }  // namespace chrome_variations
  37
  38 #endif  // CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_REQUEST_SCHEDULER_MOBILE_H_