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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/browser/metrics/variations/variations_request_scheduler.h" | 5 #include "chrome/browser/metrics/variations/variations_request_scheduler.h" |
| 6 | 6 |
| 7 namespace chrome_variations { | 7 namespace chrome_variations { |
| 8 | 8 |
| 9 VariationsRequestScheduler::VariationsRequestScheduler( | 9 VariationsRequestScheduler::VariationsRequestScheduler( |
| 10 const base::Closure& task) : task_(task) { | 10 const base::Closure& task) : task_(task) { |
| 11 } | 11 } |
| 12 | 12 |
| 13 VariationsRequestScheduler::~VariationsRequestScheduler() { | 13 VariationsRequestScheduler::~VariationsRequestScheduler() { |
| 14 } | 14 } |
| 15 | 15 |
| 16 void VariationsRequestScheduler::Start() { | 16 void VariationsRequestScheduler::Start() { |
| 17 // Time between regular seed fetches, in hours. | 17 // Time between regular seed fetches, in hours. |
| 18 const int kFetchPeriodHours = 5; | 18 const int kFetchPeriodHours = 5; |
| 19 task_.Run(); | 19 task_.Run(); |
| 20 timer_.Start(FROM_HERE, base::TimeDelta::FromHours(kFetchPeriodHours), task_); | 20 timer_.Start(FROM_HERE, base::TimeDelta::FromHours(kFetchPeriodHours), task_); |
| 21 } | 21 } |
| 22 | 22 |
| 23 void VariationsRequestScheduler::Reset() { | 23 void VariationsRequestScheduler::Reset() { |
| 24 if (timer_.IsRunning()) | 24 if (timer_.IsRunning()) |
| 25 timer_.Reset(); | 25 timer_.Reset(); |
| 26 one_shot_timer_.Stop(); | 26 one_shot_timer_.Stop(); |
| 27 } | 27 } |
| 28 | 28 |
| 29 void VariationsRequestScheduler::ScheduleFetchShortly() { | 29 void VariationsRequestScheduler::ScheduleFetchShortly() { |
| 30 // Reset the regular timer to avoid it triggering soon after. |
| 31 Reset(); |
| 30 // The delay before attempting a fetch shortly, in minutes. | 32 // The delay before attempting a fetch shortly, in minutes. |
| 31 const int kFetchShortlyDelayMinutes = 5; | 33 const int kFetchShortlyDelayMinutes = 5; |
| 32 one_shot_timer_.Start(FROM_HERE, | 34 one_shot_timer_.Start(FROM_HERE, |
| 33 base::TimeDelta::FromMinutes(kFetchShortlyDelayMinutes), | 35 base::TimeDelta::FromMinutes(kFetchShortlyDelayMinutes), |
| 34 task_); | 36 task_); |
| 35 // Reset the regular timer to avoid it triggering soon after. | |
| 36 Reset(); | |
| 37 } | 37 } |
| 38 | 38 |
| 39 base::Closure VariationsRequestScheduler::task() const { | 39 base::Closure VariationsRequestScheduler::task() const { |
| 40 return task_; | 40 return task_; |
| 41 } | 41 } |
| 42 | 42 |
| 43 #if !defined(OS_ANDROID) | 43 #if !defined(OS_ANDROID) |
| 44 // static | 44 // static |
| 45 VariationsRequestScheduler* VariationsRequestScheduler::Create( | 45 VariationsRequestScheduler* VariationsRequestScheduler::Create( |
| 46 const base::Closure& task, | 46 const base::Closure& task, |
| 47 PrefService* local_state) { | 47 PrefService* local_state) { |
| 48 return new VariationsRequestScheduler(task); | 48 return new VariationsRequestScheduler(task); |
| 49 } | 49 } |
| 50 #endif // !defined(OS_ANDROID) | 50 #endif // !defined(OS_ANDROID) |
| 51 | 51 |
| 52 } // namespace chrome_variations | 52 } // namespace chrome_variations |
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