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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
#include "base/memory/singleton.h"
#include "chrome/browser/chromeos/cros/cros_library.h"
namespace {
// How long to wait (each cycle) before checking which severity level we should
// be at. Once we reach the highest severity, the timer will stop.
const int kNotifyCycleTimeMs = 20 * 60 * 1000; // 20 minutes.
} // namespace
UpgradeDetectorChromeos::UpgradeDetectorChromeos() {
if (chromeos::CrosLibrary::Get())
chromeos::CrosLibrary::Get()->GetUpdateLibrary()->AddObserver(this);
}
UpgradeDetectorChromeos::~UpgradeDetectorChromeos() {
if (chromeos::CrosLibrary::Get())
chromeos::CrosLibrary::Get()->GetUpdateLibrary()->RemoveObserver(this);
}
void UpgradeDetectorChromeos::UpdateStatusChanged(
chromeos::UpdateLibrary* library) {
if (library->status().status != chromeos::UPDATE_STATUS_UPDATED_NEED_REBOOT)
return;
NotifyUpgradeDetected();
// ChromeOS shows upgrade arrow once the upgrade becomes available.
NotifyOnUpgrade();
// Setup timer to to move along the upgrade advisory system.
upgrade_notification_timer_.Start(
base::TimeDelta::FromMilliseconds(kNotifyCycleTimeMs),
this, &UpgradeDetectorChromeos::NotifyOnUpgrade);
}
void UpgradeDetectorChromeos::NotifyOnUpgrade() {
base::TimeDelta delta = base::Time::Now() - upgrade_detected_time();
int64 time_passed = delta.InDays();
const int kSevereThreshold = 7;
const int kHighThreshold = 4;
const int kElevatedThreshold = 2;
const int kLowThreshold = 0;
// These if statements must be sorted (highest interval first).
if (time_passed >= kSevereThreshold) {
set_upgrade_notification_stage(UPGRADE_ANNOYANCE_SEVERE);
// We can't get any higher, baby.
upgrade_notification_timer_.Stop();
} else if (time_passed >= kHighThreshold) {
set_upgrade_notification_stage(UPGRADE_ANNOYANCE_HIGH);
} else if (time_passed >= kElevatedThreshold) {
set_upgrade_notification_stage(UPGRADE_ANNOYANCE_ELEVATED);
} else if (time_passed >= kLowThreshold) {
set_upgrade_notification_stage(UPGRADE_ANNOYANCE_LOW);
} else {
return; // Not ready to recommend upgrade.
}
NotifyUpgradeRecommended();
}
// static
UpgradeDetectorChromeos* UpgradeDetectorChromeos::GetInstance() {
return Singleton<UpgradeDetectorChromeos>::get();
}
// static
UpgradeDetector* UpgradeDetector::GetInstance() {
return UpgradeDetectorChromeos::GetInstance();
}
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