src/chrome/browser/upgrade_detector.cc

   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.
  19 static 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.
  23 static const int kIdleAmount = 2;  // Hours (or seconds, if testing).
  24
  25 bool 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
  35 void UpgradeDetector::RegisterPrefs(PrefRegistrySimple* registry) {
  36   registry->RegisterBooleanPref(prefs::kRestartLastSessionOnShutdown, false);
  37   registry->RegisterBooleanPref(prefs::kWasRestarted, false);
  38   registry->RegisterBooleanPref(prefs::kAttemptedToEnableAutoupdate, false);
  39 }
  40
  41 int 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
  60 UpgradeDetector::UpgradeDetector()
  61     : upgrade_available_(UPGRADE_AVAILABLE_NONE),
  62       best_effort_experiment_updates_available_(false),
  63       critical_experiment_updates_available_(false),
  64       critical_update_acknowledged_(false),
  65       upgrade_notification_stage_(UPGRADE_ANNOYANCE_NONE),
  66       notify_upgrade_(false) {
  67 }
  68
  69 UpgradeDetector::~UpgradeDetector() {
  70 }
  71
  72 void UpgradeDetector::NotifyUpgradeRecommended() {
  73   notify_upgrade_ = true;
  74
  75   TriggerNotification(chrome::NOTIFICATION_UPGRADE_RECOMMENDED);
  76   if (upgrade_available_ == UPGRADE_NEEDED_OUTDATED_INSTALL) {
  77     TriggerNotification(chrome::NOTIFICATION_OUTDATED_INSTALL);
  78   } else if (upgrade_available_ == UPGRADE_NEEDED_OUTDATED_INSTALL_NO_AU) {
  79     TriggerNotification(chrome::NOTIFICATION_OUTDATED_INSTALL_NO_AU);
  80   } else if (upgrade_available_ == UPGRADE_AVAILABLE_CRITICAL ||
  81              critical_experiment_updates_available_) {
  82     TriggerCriticalUpdate();
  83   }
  84 }
  85
  86 void UpgradeDetector::TriggerCriticalUpdate() {
  87   const base::TimeDelta idle_timer = UseTestingIntervals() ?
  88       base::TimeDelta::FromSeconds(kIdleRepeatingTimerWait) :
  89       base::TimeDelta::FromMinutes(kIdleRepeatingTimerWait);
  90   idle_check_timer_.Start(FROM_HERE, idle_timer, this,
  91                           &UpgradeDetector::CheckIdle);
  92 }
  93
  94 void UpgradeDetector::CheckIdle() {
  95   // CalculateIdleState expects an interval in seconds.
  96   int idle_time_allowed = UseTestingIntervals() ? kIdleAmount :
  97                                                   kIdleAmount * 60 * 60;
  98
  99   CalculateIdleState(
 100       idle_time_allowed, base::Bind(&UpgradeDetector::IdleCallback,
 101                                     base::Unretained(this)));
 102 }
 103
 104 void UpgradeDetector::TriggerNotification(chrome::NotificationType type) {
 105   content::NotificationService::current()->Notify(
 106       type,
 107       content::Source<UpgradeDetector>(this),
 108       content::NotificationService::NoDetails());
 109 }
 110
 111 void UpgradeDetector::IdleCallback(IdleState state) {
 112   // Don't proceed while an incognito window is open. The timer will still
 113   // keep firing, so this function will get a chance to re-evaluate this.
 114   if (chrome::IsOffTheRecordSessionActive())
 115     return;
 116
 117   switch (state) {
 118     case IDLE_STATE_LOCKED:
 119       // Computer is locked, auto-restart.
 120       idle_check_timer_.Stop();
 121       chrome::AttemptRestart();
 122       break;
 123     case IDLE_STATE_IDLE:
 124       // Computer has been idle for long enough, show warning.
 125       idle_check_timer_.Stop();
 126       TriggerNotification(chrome::NOTIFICATION_CRITICAL_UPGRADE_INSTALLED);
 127       break;
 128     case IDLE_STATE_ACTIVE:
 129     case IDLE_STATE_UNKNOWN:
 130       break;
 131     default:
 132       NOTREACHED();  // Need to add any new value above (either providing
 133                      // automatic restart or show notification to user).
 134       break;
 135   }
 136 }