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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 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h" | |
6 | |
7 #include "base/memory/singleton.h" | |
8 #include "chrome/browser/chromeos/cros/cros_library.h" | |
9 | |
10 namespace { | |
11 | |
12 // How long to wait (each cycle) before checking which severity level we should | |
13 // be at. Once we reach the highest severity, the timer will stop. | |
14 const int kNotifyCycleTimeMs = 20 * 60 * 1000; // 20 minutes. | |
15 | |
16 } // namespace | |
17 | |
18 UpgradeDetectorChromeos::UpgradeDetectorChromeos() { | |
19 chromeos::CrosLibrary::Get()->GetUpdateLibrary()->AddObserver(this); | |
20 } | |
21 | |
22 UpgradeDetectorChromeos::~UpgradeDetectorChromeos() { | |
23 chromeos::CrosLibrary::Get()->GetUpdateLibrary()->RemoveObserver(this); | |
24 } | |
25 | |
26 void UpgradeDetectorChromeos::UpdateStatusChanged( | |
27 chromeos::UpdateLibrary* library) { | |
28 if (library->status().status != chromeos::UPDATE_STATUS_UPDATED_NEED_REBOOT) | |
29 return; | |
30 | |
31 NotifyUpgradeDetected(); | |
32 | |
33 // ChromeOS shows upgrade arrow once the upgrade becomes available. | |
34 NotifyOnUpgrade(); | |
35 | |
36 // Setup timer to to move along the upgrade advisory system. | |
37 upgrade_notification_timer_.Start( | |
38 base::TimeDelta::FromMilliseconds(kNotifyCycleTimeMs), | |
39 this, &UpgradeDetectorChromeos::NotifyOnUpgrade); | |
40 } | |
41 | |
42 void UpgradeDetectorChromeos::NotifyOnUpgrade() { | |
43 base::TimeDelta delta = base::Time::Now() - upgrade_detected_time(); | |
44 int64 time_passed = delta.InHours(); | |
45 | |
46 const int kMultiplier = 24; | |
47 const int kSevereThreshold = 7 * kMultiplier; | |
Finnur
2011/06/12 12:07:43
kMultiplier was created because on other platforms
xiyuan
2011/06/12 21:02:07
Done. It is left here because I was not sure wheth
| |
48 const int kHighThreshold = 4 * kMultiplier; | |
49 const int kElevatedThreshold = 2 * kMultiplier; | |
50 const int kLowThreshold = 0; | |
51 | |
52 // These if statements must be sorted (highest interval first). | |
53 if (time_passed >= kSevereThreshold) { | |
54 set_upgrade_notification_stage(UPGRADE_ANNOYANCE_SEVERE); | |
55 | |
56 // We can't get any higher, baby. | |
57 upgrade_notification_timer_.Stop(); | |
58 } else if (time_passed >= kHighThreshold) { | |
59 set_upgrade_notification_stage(UPGRADE_ANNOYANCE_HIGH); | |
60 } else if (time_passed >= kElevatedThreshold) { | |
61 set_upgrade_notification_stage(UPGRADE_ANNOYANCE_ELEVATED); | |
62 } else if (time_passed >= kLowThreshold) { | |
63 set_upgrade_notification_stage(UPGRADE_ANNOYANCE_LOW); | |
64 } else { | |
65 return; // Not ready to recommend upgrade. | |
66 } | |
67 | |
68 NotifyUpgradeRecommended(); | |
69 } | |
70 | |
71 // static | |
72 UpgradeDetectorChromeos* UpgradeDetectorChromeos::GetInstance() { | |
73 return Singleton<UpgradeDetectorChromeos>::get(); | |
74 } | |
75 | |
76 // static | |
77 UpgradeDetector* UpgradeDetector::GetInstance() { | |
78 return UpgradeDetectorChromeos::GetInstance(); | |
79 } | |
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