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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ | 5 #ifndef CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ |
6 #define CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ | 6 #define CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ |
7 | 7 |
8 #include "base/memory/weak_ptr.h" | 8 #include "base/memory/weak_ptr.h" |
9 #include "base/timer/timer.h" | 9 #include "base/timer/timer.h" |
10 #include "base/version.h" | 10 #include "base/version.h" |
11 #include "chrome/browser/metrics/variations/variations_service.h" | 11 #include "chrome/browser/metrics/variations/variations_service.h" |
12 #include "chrome/browser/upgrade_detector.h" | 12 #include "chrome/browser/upgrade_detector.h" |
13 | 13 |
14 template <typename T> struct DefaultSingletonTraits; | 14 template <typename T> struct DefaultSingletonTraits; |
15 | 15 |
16 class UpgradeDetectorImpl : | 16 class UpgradeDetectorImpl : |
17 public UpgradeDetector, | 17 public UpgradeDetector, |
18 public chrome_variations::VariationsService::Observer { | 18 public chrome_variations::VariationsService::Observer { |
19 public: | 19 public: |
20 virtual ~UpgradeDetectorImpl(); | 20 ~UpgradeDetectorImpl() override; |
21 | 21 |
22 // Returns the currently installed Chrome version, which may be newer than the | 22 // Returns the currently installed Chrome version, which may be newer than the |
23 // one currently running. Not supported on Android, iOS or ChromeOS. Must be | 23 // one currently running. Not supported on Android, iOS or ChromeOS. Must be |
24 // run on a thread where I/O operations are allowed (e.g. FILE thread). | 24 // run on a thread where I/O operations are allowed (e.g. FILE thread). |
25 static base::Version GetCurrentlyInstalledVersion(); | 25 static base::Version GetCurrentlyInstalledVersion(); |
26 | 26 |
27 // Returns the singleton instance. | 27 // Returns the singleton instance. |
28 static UpgradeDetectorImpl* GetInstance(); | 28 static UpgradeDetectorImpl* GetInstance(); |
29 | 29 |
30 protected: | 30 protected: |
31 UpgradeDetectorImpl(); | 31 UpgradeDetectorImpl(); |
32 | 32 |
33 // chrome_variations::VariationsService::Observer: | 33 // chrome_variations::VariationsService::Observer: |
34 virtual void OnExperimentChangesDetected(Severity severity) override; | 34 void OnExperimentChangesDetected(Severity severity) override; |
35 | 35 |
36 // Trigger an "on upgrade" notification based on the specified |time_passed| | 36 // Trigger an "on upgrade" notification based on the specified |time_passed| |
37 // interval. Exposed as protected for testing. | 37 // interval. Exposed as protected for testing. |
38 void NotifyOnUpgradeWithTimePassed(base::TimeDelta time_passed); | 38 void NotifyOnUpgradeWithTimePassed(base::TimeDelta time_passed); |
39 | 39 |
40 private: | 40 private: |
41 friend struct DefaultSingletonTraits<UpgradeDetectorImpl>; | 41 friend struct DefaultSingletonTraits<UpgradeDetectorImpl>; |
42 | 42 |
43 // Start the timer that will call |CheckForUpgrade()|. | 43 // Start the timer that will call |CheckForUpgrade()|. |
44 void StartTimerForUpgradeCheck(); | 44 void StartTimerForUpgradeCheck(); |
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95 // We use this factory to create callback tasks for UpgradeDetected. We pass | 95 // We use this factory to create callback tasks for UpgradeDetected. We pass |
96 // the task to the actual upgrade detection code, which is in | 96 // the task to the actual upgrade detection code, which is in |
97 // DetectUpgradeTask. | 97 // DetectUpgradeTask. |
98 base::WeakPtrFactory<UpgradeDetectorImpl> weak_factory_; | 98 base::WeakPtrFactory<UpgradeDetectorImpl> weak_factory_; |
99 | 99 |
100 DISALLOW_COPY_AND_ASSIGN(UpgradeDetectorImpl); | 100 DISALLOW_COPY_AND_ASSIGN(UpgradeDetectorImpl); |
101 }; | 101 }; |
102 | 102 |
103 | 103 |
104 #endif // CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ | 104 #endif // CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ |
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