| // 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. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_SCREENSAVER_SCREENSAVER_CONTROLLER_H_ |
| #define CHROME_BROWSER_CHROMEOS_SCREENSAVER_SCREENSAVER_CONTROLLER_H_ |
| |
| #include <string> |
| |
| #include "ash/wm/user_activity_observer.h" |
| #include "base/basictypes.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/time/time.h" |
| #include "chromeos/dbus/power_manager_client.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| |
| namespace extensions { |
| class Extension; |
| } |
| |
| namespace chromeos { |
| |
| // This class controls the management of the screensaver extension. It is |
| // responsible for: |
| // . Enabling and disabling of the screensaver, along with ensuring that we |
| // have only one screensaver at a time. |
| // . Managing the showing and hiding of the current screensaver based on user |
| // activity. |
| // . Any power management that may be required while a screensaver is active. |
| class ScreensaverController : public ash::UserActivityObserver, |
| public PowerManagerClient::Observer, |
| public content::NotificationObserver { |
| public: |
| ScreensaverController(); |
| virtual ~ScreensaverController(); |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(ScreensaverControllerTest, Basic); |
| FRIEND_TEST_ALL_PREFIXES(ScreensaverControllerTest, OutOfOrder); |
| |
| // Overridden from content::NotificationObserver: |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| // Overridden from PowerManagerClient::Observer: |
| virtual void IdleNotify(int64 threshold) OVERRIDE; |
| |
| // UserActivityObserver overrides: |
| virtual void OnUserActivity(const ui::Event* event) OVERRIDE; |
| |
| void SetupScreensaver(const std::string& screensaver_extension_id); |
| void TeardownScreensaver(); |
| |
| void RequestNextIdleNotification(); |
| |
| std::string screensaver_extension_id_; |
| |
| content::NotificationRegistrar registrar_; |
| |
| base::TimeDelta threshold_; |
| |
| base::WeakPtrFactory<ScreensaverController> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreensaverController); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_SCREENSAVER_SCREENSAVER_CONTROLLER_H_ |