| [email protected] | b1b7394 | 2010-05-26 20:11:54 | [diff] [blame^] | 1 | // Copyright (c) 2010 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/file_version_info.h" |
| 8 | #include "base/scoped_ptr.h" |
| 9 | #include "base/time.h" |
| 10 | #include "base/version.h" |
| 11 | #include "chrome/app/chrome_version_info.h" |
| 12 | #include "chrome/common/notification_service.h" |
| 13 | #include "chrome/common/notification_type.h" |
| 14 | #include "chrome/installer/util/browser_distribution.h" |
| 15 | |
| 16 | #if defined(OS_WIN) |
| 17 | #include "chrome/installer/util/install_util.h" |
| 18 | #endif |
| 19 | |
| 20 | // TODO(finnur): For the stable channel we want to check daily and notify |
| 21 | // the user if more than 2 weeks have passed since the upgrade happened |
| 22 | // (without a reboot). For the dev channel however, I want quicker feedback |
| 23 | // on how the feature works so I'm checking every hour and notifying the |
| 24 | // user immediately. |
| 25 | |
| 26 | // How often to check for an upgrade. |
| 27 | static int kCheckForUpgradeEveryMs = 60 * 60 * 1000; // 1 hour. |
| 28 | |
| 29 | // How long to wait before notifying the user about the upgrade. |
| 30 | static int kNotifyUserAfterMs = 0; |
| 31 | |
| 32 | UpgradeDetector::UpgradeDetector() : upgrade_detected_(false) { |
| 33 | #if !defined(OS_WIN) |
| 34 | return; |
| 35 | #endif |
| 36 | |
| 37 | detect_upgrade_timer_.Start( |
| 38 | base::TimeDelta::FromMilliseconds(kCheckForUpgradeEveryMs), |
| 39 | this, &UpgradeDetector::CheckForUpgrade); |
| 40 | } |
| 41 | |
| 42 | UpgradeDetector::~UpgradeDetector() { |
| 43 | } |
| 44 | |
| 45 | void UpgradeDetector::CheckForUpgrade() { |
| 46 | #if defined(OS_WIN) |
| 47 | using installer::Version; |
| 48 | |
| 49 | // Get the version of the currently *installed* instance of Chrome, |
| 50 | // which might be newer than the *running* instance if we have been |
| 51 | // upgraded in the background. |
| 52 | Version* installed_version = InstallUtil::GetChromeVersion(false); |
| 53 | if (!installed_version) { |
| 54 | // User level Chrome is not installed, check system level. |
| 55 | installed_version = InstallUtil::GetChromeVersion(true); |
| 56 | } |
| 57 | |
| 58 | // Get the version of the currently *running* instance of Chrome. |
| 59 | scoped_ptr<FileVersionInfo> version(chrome_app::GetChromeVersionInfo()); |
| 60 | if (version.get() == NULL) { |
| 61 | NOTREACHED() << L"Failed to get current file version"; |
| 62 | return; |
| 63 | } |
| 64 | scoped_ptr<Version> running_version(Version::GetVersionFromString( |
| 65 | version->file_version())); |
| 66 | |
| 67 | if (installed_version->IsHigherThan(running_version.get())) { |
| 68 | // Stop the recurring timer (that is checking for changes). |
| 69 | detect_upgrade_timer_.Stop(); |
| 70 | |
| 71 | upgrade_detected_ = true; |
| 72 | |
| 73 | NotificationService::current()->Notify( |
| 74 | NotificationType::UPGRADE_DETECTED, |
| 75 | Source<UpgradeDetector>(this), |
| 76 | NotificationService::NoDetails()); |
| 77 | |
| 78 | // Start the OneShot timer for notifying the user after a certain period. |
| 79 | upgrade_notification_timer_.Start( |
| 80 | base::TimeDelta::FromMilliseconds(kNotifyUserAfterMs), |
| 81 | this, &UpgradeDetector::NotifyOnUpgrade); |
| 82 | } |
| 83 | #else |
| 84 | DCHECK(kNotifyUserAfterMs > 0); // Avoid error: var defined but not used. |
| 85 | NOTIMPLEMENTED(); |
| 86 | #endif |
| 87 | } |
| 88 | |
| 89 | void UpgradeDetector::NotifyOnUpgrade() { |
| 90 | notify_upgrade_ = true; |
| 91 | |
| 92 | NotificationService::current()->Notify( |
| 93 | NotificationType::UPGRADE_RECOMMENDED, |
| 94 | Source<UpgradeDetector>(this), |
| 95 | NotificationService::NoDetails()); |
| 96 | } |
