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..bd943f42ca425cc3cf8787394efd2955eb66e1aa |
--- /dev/null |
+++ b/chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc |
@@ -0,0 +1,105 @@ |
+// 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(); |
+ 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); |
+ |
+ ShutdownKioskModeScreensaver(); |
+} |
+ |
+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 KioskModeScreensaver* g_kiosk_mode_screensaver = NULL; |
+ |
+void InitializeKioskModeScreensaver() { |
+ if (g_kiosk_mode_screensaver) { |
+ LOG(WARNING) << "Screensaver was already initialized"; |
+ return; |
+ } |
+ |
+ g_kiosk_mode_screensaver = new KioskModeScreensaver(); |
+} |
+ |
+void ShutdownKioskModeScreensaver() { |
+ if (g_kiosk_mode_screensaver) { |
+ LOG(WARNING) << "Screensaver shutdown called when uninitialized."; |
+ return; |
+ } |
+ |
+ delete g_kiosk_mode_screensaver; |
+ g_kiosk_mode_screensaver = NULL; |
+} |
+ |
+} // namespace chromeos |