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      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(UpgradeNotificationIconType type) {
     42   if (type == UPGRADE_ICON_TYPE_BADGE) {
     43     // TODO(oshima): Badges no longer exist. remove this.
     44     NOTREACHED();
     45     return 0;
     46   }
     47 
     48   switch (upgrade_notification_stage_) {
     49     case UPGRADE_ANNOYANCE_NONE:
     50       return 0;
     51     case UPGRADE_ANNOYANCE_LOW:
     52       return IDR_UPDATE_MENU_SEVERITY_LOW;
     53     case UPGRADE_ANNOYANCE_ELEVATED:
     54       return IDR_UPDATE_MENU_SEVERITY_MEDIUM;
     55     case UPGRADE_ANNOYANCE_HIGH:
     56       return IDR_UPDATE_MENU_SEVERITY_HIGH;
     57     case UPGRADE_ANNOYANCE_SEVERE:
     58       return IDR_UPDATE_MENU_SEVERITY_HIGH;
     59     case UPGRADE_ANNOYANCE_CRITICAL:
     60       return IDR_UPDATE_MENU_SEVERITY_HIGH;
     61   }
     62   NOTREACHED();
     63   return 0;
     64 }
     65 
     66 UpgradeDetector::UpgradeDetector()
     67     : upgrade_available_(UPGRADE_AVAILABLE_NONE),
     68       critical_update_acknowledged_(false),
     69       upgrade_notification_stage_(UPGRADE_ANNOYANCE_NONE),
     70       notify_upgrade_(false) {
     71 }
     72 
     73 UpgradeDetector::~UpgradeDetector() {
     74 }
     75 
     76 void UpgradeDetector::NotifyUpgradeDetected() {
     77   upgrade_detected_time_ = base::Time::Now();
     78   critical_update_acknowledged_ = false;
     79 }
     80 
     81 void UpgradeDetector::NotifyUpgradeRecommended() {
     82   notify_upgrade_ = true;
     83 
     84   content::NotificationService::current()->Notify(
     85       chrome::NOTIFICATION_UPGRADE_RECOMMENDED,
     86       content::Source<UpgradeDetector>(this),
     87       content::NotificationService::NoDetails());
     88 
     89   switch (upgrade_available_) {
     90     case UPGRADE_NEEDED_OUTDATED_INSTALL: {
     91       content::NotificationService::current()->Notify(
     92           chrome::NOTIFICATION_OUTDATED_INSTALL,
     93           content::Source<UpgradeDetector>(this),
     94           content::NotificationService::NoDetails());
     95       break;
     96     }
     97     case UPGRADE_NEEDED_OUTDATED_INSTALL_NO_AU: {
     98       content::NotificationService::current()->Notify(
     99           chrome::NOTIFICATION_OUTDATED_INSTALL_NO_AU,
    100           content::Source<UpgradeDetector>(this),
    101           content::NotificationService::NoDetails());
    102       break;
    103     }
    104     case UPGRADE_AVAILABLE_CRITICAL: {
    105       int idle_timer = UseTestingIntervals() ?
    106           kIdleRepeatingTimerWait :
    107           kIdleRepeatingTimerWait * 60;  // To minutes.
    108       idle_check_timer_.Start(FROM_HERE,
    109           base::TimeDelta::FromSeconds(idle_timer),
    110           this, &UpgradeDetector::CheckIdle);
    111       break;
    112     }
    113     default:
    114       break;
    115   }
    116 }
    117 
    118 void UpgradeDetector::CheckIdle() {
    119   // CalculateIdleState expects an interval in seconds.
    120   int idle_time_allowed = UseTestingIntervals() ? kIdleAmount :
    121                                                   kIdleAmount * 60 * 60;
    122 
    123   CalculateIdleState(
    124       idle_time_allowed, base::Bind(&UpgradeDetector::IdleCallback,
    125                                     base::Unretained(this)));
    126 }
    127 
    128 void UpgradeDetector::IdleCallback(IdleState state) {
    129   // Don't proceed while an incognito window is open. The timer will still
    130   // keep firing, so this function will get a chance to re-evaluate this.
    131   if (chrome::IsOffTheRecordSessionActive())
    132     return;
    133 
    134   switch (state) {
    135     case IDLE_STATE_LOCKED:
    136       // Computer is locked, auto-restart.
    137       idle_check_timer_.Stop();
    138       chrome::AttemptRestart();
    139       break;
    140     case IDLE_STATE_IDLE:
    141       // Computer has been idle for long enough, show warning.
    142       idle_check_timer_.Stop();
    143       content::NotificationService::current()->Notify(
    144           chrome::NOTIFICATION_CRITICAL_UPGRADE_INSTALLED,
    145           content::Source<UpgradeDetector>(this),
    146           content::NotificationService::NoDetails());
    147       break;
    148     case IDLE_STATE_ACTIVE:
    149     case IDLE_STATE_UNKNOWN:
    150       break;
    151     default:
    152       NOTREACHED();  // Need to add any new value above (either providing
    153                      // automatic restart or show notification to user).
    154       break;
    155   }
    156 }
    157