Index: chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc |
diff --git a/chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc b/chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c59cfaaf28cc0d874f4562b892fc937f4fe15ce4 |
--- /dev/null |
+++ b/chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc |
@@ -0,0 +1,89 @@ |
+// Copyright (c) 2012 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/kiosk_mode/kiosk_mode_screensaver.h" |
+ |
+#include "base/lazy_instance.h" |
+#include "base/logging.h" |
+#include "chrome/browser/chromeos/dbus/dbus_thread_manager.h" |
+#include "chrome/browser/chromeos/login/user_manager.h" |
+#include "chrome/browser/chromeos/ui/screensaver_extension_dialog.h" |
+#include "chrome/common/chrome_notification_types.h" |
+#include "content/public/browser/notification_service.h" |
+ |
+namespace { |
+ |
+// This (along with screensaver location) will change once we have the |
+// retail mode enterprise policy set up. |
+const int64 kScreensaverIdleTimeout = 60; |
+ |
+} // namespace |
+ |
+namespace chromeos { |
+ |
+KioskModeScreensaver::KioskModeScreensaver() { |
+ // We should NOT be created if already logged in. |
+ CHECK(!chromeos::UserManager::Get()->user_is_logged_in()); |
+ |
+ registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_CHANGED, |
+ content::NotificationService::AllSources()); |
+ |
+ // We will register ourselves now and unregister if a user logs in. |
+ chromeos::PowerManagerClient* power_manager = |
+ chromeos::DBusThreadManager::Get()->GetPowerManagerClient(); |
+ if (!power_manager->HasObserver(this)) |
+ power_manager->AddObserver(this); |
+ |
+ // Register for the next Idle for kScreensaverIdleTimeout event. |
+ chromeos::DBusThreadManager::Get()->GetPowerManagerClient()-> |
+ RequestIdleNotification(kScreensaverIdleTimeout * 1000); |
+} |
+ |
+KioskModeScreensaver::~KioskModeScreensaver() { |
+ chromeos::PowerManagerClient* power_manager = |
+ chromeos::DBusThreadManager::Get()->GetPowerManagerClient(); |
xiyuan
2012/02/27 18:26:30
When will this dtor be called? DBusThreadManager w
rkc
2012/02/27 22:24:43
As discussed, made changes to add a shutdown funct
|
+ if (power_manager->HasObserver(this)) |
+ power_manager->RemoveObserver(this); |
+} |
+ |
+// NotificationObserver overrides: |
+void KioskModeScreensaver::Observe( |
+ int type, |
+ const content::NotificationSource& source, |
+ const content::NotificationDetails& details) { |
+ DCHECK_EQ(type, chrome::NOTIFICATION_LOGIN_USER_CHANGED); |
+ // User logged in, remove our observers, screensaver will be deactivated. |
+ chromeos::PowerManagerClient* power_manager = |
+ chromeos::DBusThreadManager::Get()->GetPowerManagerClient(); |
+ if (power_manager->HasObserver(this)) |
+ power_manager->RemoveObserver(this); |
+} |
+ |
+void KioskModeScreensaver::IdleNotify(int64 threshold) { |
+ // We're idle, next time we go active, we need to know so we can remove |
+ // the logout dialog if it's still up. |
+ chromeos::DBusThreadManager::Get()->GetPowerManagerClient()-> |
+ RequestActiveNotification(); |
+ |
+ browser::ShowScreensaverDialog(); |
+} |
+ |
+void KioskModeScreensaver::ActiveNotify() { |
+ // Before anything else, close the logout dialog to prevent restart |
+ browser::CloseScreensaverDialog(); |
+ |
+ // Now that we're active, register a request for notification for |
+ // the next time we go idle for kScreensaverIdleTimeout seconds. |
+ chromeos::DBusThreadManager::Get()->GetPowerManagerClient()-> |
+ RequestIdleNotification(kScreensaverIdleTimeout * 1000); |
+} |
+ |
+static base::LazyInstance<KioskModeScreensaver> |
+ g_kiosk_mode_login_observer = LAZY_INSTANCE_INITIALIZER; |
+ |
+void InitKioskModeScreensaver() { |
+ g_kiosk_mode_login_observer.Get(); |
+} |
+ |
+} // namespace chromeos |