upgrade_detector.cc revision 5f1c94371a64b3196d4be9466099bb892df9b88e 
1// Copyright (c) 2012 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/upgrade_detector.h"
6
7#include "base/bind.h"
8#include "base/command_line.h"
9#include "base/prefs/pref_registry_simple.h"
10#include "chrome/browser/chrome_notification_types.h"
11#include "chrome/browser/lifetime/application_lifetime.h"
12#include "chrome/browser/ui/browser_otr_state.h"
13#include "chrome/common/chrome_switches.h"
14#include "chrome/common/pref_names.h"
15#include "content/public/browser/notification_service.h"
16#include "grit/theme_resources.h"
17
18// How long to wait between checks for whether the user has been idle.
19static const int kIdleRepeatingTimerWait = 10;  // Minutes (seconds if testing).
20
21// How much idle time (since last input even was detected) must have passed
22// until we notify that a critical update has occurred.
23static const int kIdleAmount = 2;  // Hours (or seconds, if testing).
24
25bool UseTestingIntervals() {
26  // If a command line parameter specifying how long the upgrade check should
27  // be, we assume it is for testing and switch to using seconds instead of
28  // hours.
29  const CommandLine& cmd_line = *CommandLine::ForCurrentProcess();
30  return !cmd_line.GetSwitchValueASCII(
31      switches::kCheckForUpdateIntervalSec).empty();
32}
33
34// static
35void UpgradeDetector::RegisterPrefs(PrefRegistrySimple* registry) {
36  registry->RegisterBooleanPref(prefs::kRestartLastSessionOnShutdown, false);
37  registry->RegisterBooleanPref(prefs::kWasRestarted, false);
38  registry->RegisterBooleanPref(prefs::kAttemptedToEnableAutoupdate, false);
39}
40
41int UpgradeDetector::GetIconResourceID() {
42  switch (upgrade_notification_stage_) {
43    case UPGRADE_ANNOYANCE_NONE:
44      return 0;
45    case UPGRADE_ANNOYANCE_LOW:
46      return IDR_UPDATE_MENU_SEVERITY_LOW;
47    case UPGRADE_ANNOYANCE_ELEVATED:
48      return IDR_UPDATE_MENU_SEVERITY_MEDIUM;
49    case UPGRADE_ANNOYANCE_HIGH:
50      return IDR_UPDATE_MENU_SEVERITY_HIGH;
51    case UPGRADE_ANNOYANCE_SEVERE:
52      return IDR_UPDATE_MENU_SEVERITY_HIGH;
53    case UPGRADE_ANNOYANCE_CRITICAL:
54      return IDR_UPDATE_MENU_SEVERITY_HIGH;
55  }
56  NOTREACHED();
57  return 0;
58}
59
60UpgradeDetector::UpgradeDetector()
61    : upgrade_available_(UPGRADE_AVAILABLE_NONE),
62      critical_update_acknowledged_(false),
63      upgrade_notification_stage_(UPGRADE_ANNOYANCE_NONE),
64      notify_upgrade_(false) {
65}
66
67UpgradeDetector::~UpgradeDetector() {
68}
69
70void UpgradeDetector::NotifyUpgradeDetected() {
71  upgrade_detected_time_ = base::Time::Now();
72  critical_update_acknowledged_ = false;
73}
74
75void UpgradeDetector::NotifyUpgradeRecommended() {
76  notify_upgrade_ = true;
77
78  content::NotificationService::current()->Notify(
79      chrome::NOTIFICATION_UPGRADE_RECOMMENDED,
80      content::Source<UpgradeDetector>(this),
81      content::NotificationService::NoDetails());
82
83  switch (upgrade_available_) {
84    case UPGRADE_NEEDED_OUTDATED_INSTALL: {
85      content::NotificationService::current()->Notify(
86          chrome::NOTIFICATION_OUTDATED_INSTALL,
87          content::Source<UpgradeDetector>(this),
88          content::NotificationService::NoDetails());
89      break;
90    }
91    case UPGRADE_NEEDED_OUTDATED_INSTALL_NO_AU: {
92      content::NotificationService::current()->Notify(
93          chrome::NOTIFICATION_OUTDATED_INSTALL_NO_AU,
94          content::Source<UpgradeDetector>(this),
95          content::NotificationService::NoDetails());
96      break;
97    }
98    case UPGRADE_AVAILABLE_CRITICAL: {
99      int idle_timer = UseTestingIntervals() ?
100          kIdleRepeatingTimerWait :
101          kIdleRepeatingTimerWait * 60;  // To minutes.
102      idle_check_timer_.Start(FROM_HERE,
103          base::TimeDelta::FromSeconds(idle_timer),
104          this, &UpgradeDetector::CheckIdle);
105      break;
106    }
107    default:
108      break;
109  }
110}
111
112void UpgradeDetector::CheckIdle() {
113  // CalculateIdleState expects an interval in seconds.
114  int idle_time_allowed = UseTestingIntervals() ? kIdleAmount :
115                                                  kIdleAmount * 60 * 60;
116
117  CalculateIdleState(
118      idle_time_allowed, base::Bind(&UpgradeDetector::IdleCallback,
119                                    base::Unretained(this)));
120}
121
122void UpgradeDetector::IdleCallback(IdleState state) {
123  // Don't proceed while an incognito window is open. The timer will still
124  // keep firing, so this function will get a chance to re-evaluate this.
125  if (chrome::IsOffTheRecordSessionActive())
126    return;
127
128  switch (state) {
129    case IDLE_STATE_LOCKED:
130      // Computer is locked, auto-restart.
131      idle_check_timer_.Stop();
132      chrome::AttemptRestart();
133      break;
134    case IDLE_STATE_IDLE:
135      // Computer has been idle for long enough, show warning.
136      idle_check_timer_.Stop();
137      content::NotificationService::current()->Notify(
138          chrome::NOTIFICATION_CRITICAL_UPGRADE_INSTALLED,
139          content::Source<UpgradeDetector>(this),
140          content::NotificationService::NoDetails());
141      break;
142    case IDLE_STATE_ACTIVE:
143    case IDLE_STATE_UNKNOWN:
144      break;
145    default:
146      NOTREACHED();  // Need to add any new value above (either providing
147                     // automatic restart or show notification to user).
148      break;
149  }
150}
151