[email protected] | ceff840 | 2011-06-12 23:27:12 | [diff] [blame] | 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_ |
[email protected] | ceff840 | 2011-06-12 23:27:12 | [diff] [blame] | 7 | |
[email protected] | 6198f798 | 2011-11-17 21:24:37 | [diff] [blame] | 8 | #include "base/memory/weak_ptr.h" |
[email protected] | ceff840 | 2011-06-12 23:27:12 | [diff] [blame] | 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. |
[email protected] | 6198f798 | 2011-11-17 21:24:37 | [diff] [blame] | 48 | base::WeakPtrFactory<UpgradeDetectorImpl> weak_factory_; |
[email protected] | ceff840 | 2011-06-12 23:27:12 | [diff] [blame] | 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_ |