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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ |
| 6 #define CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ |
| 7 #pragma once |
| 8 |
| 9 #include "base/timer.h" |
| 10 #include "chrome/browser/upgrade_detector.h" |
| 11 |
| 12 template <typename T> struct DefaultSingletonTraits; |
| 13 |
| 14 class UpgradeDetectorImpl : public UpgradeDetector { |
| 15 public: |
| 16 virtual ~UpgradeDetectorImpl(); |
| 17 |
| 18 // Returns the singleton instance. |
| 19 static UpgradeDetectorImpl* GetInstance(); |
| 20 |
| 21 private: |
| 22 friend struct DefaultSingletonTraits<UpgradeDetectorImpl>; |
| 23 |
| 24 UpgradeDetectorImpl(); |
| 25 |
| 26 // Launches a task on the file thread to check if we have the latest version. |
| 27 void CheckForUpgrade(); |
| 28 |
| 29 // Sends out a notification and starts a one shot timer to wait until |
| 30 // notifying the user. |
| 31 void UpgradeDetected(); |
| 32 |
| 33 // The function that sends out a notification (after a certain time has |
| 34 // elapsed) that lets the rest of the UI know we should start notifying the |
| 35 // user that a new version is available. |
| 36 void NotifyOnUpgrade(); |
| 37 |
| 38 // We periodically check to see if Chrome has been upgraded. |
| 39 base::RepeatingTimer<UpgradeDetectorImpl> detect_upgrade_timer_; |
| 40 |
| 41 // After we detect an upgrade we start a recurring timer to see if enough time |
| 42 // has passed and we should start notifying the user. |
| 43 base::RepeatingTimer<UpgradeDetectorImpl> upgrade_notification_timer_; |
| 44 |
| 45 // We use this factory to create callback tasks for UpgradeDetected. We pass |
| 46 // the task to the actual upgrade detection code, which is in |
| 47 // DetectUpgradeTask. |
| 48 ScopedRunnableMethodFactory<UpgradeDetectorImpl> method_factory_; |
| 49 |
| 50 // True if this build is a dev or canary channel build. |
| 51 bool is_unstable_channel_; |
| 52 |
| 53 DISALLOW_COPY_AND_ASSIGN(UpgradeDetectorImpl); |
| 54 }; |
| 55 |
| 56 |
| 57 #endif // CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_ |
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