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| 1 // Copyright (c) 2012 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 #ifndef CHROME_BROWSER_CHROMEOS_SCREENSAVER_SCREENSAVER_CONTROLLER_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_SCREENSAVER_SCREENSAVER_CONTROLLER_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "ash/wm/user_activity_observer.h" |
| 11 #include "base/basictypes.h" |
| 12 #include "base/gtest_prod_util.h" |
| 13 #include "base/memory/weak_ptr.h" |
| 14 #include "base/time.h" |
| 15 #include "chromeos/dbus/power_manager_client.h" |
| 16 #include "content/public/browser/notification_observer.h" |
| 17 #include "content/public/browser/notification_registrar.h" |
| 18 |
| 19 namespace extensions { |
| 20 class Extension; |
| 21 } |
| 22 |
| 23 namespace chromeos { |
| 24 |
| 25 // This class controls the management of the screensaver extension. It is |
| 26 // responsible for, |
| 27 // . Enabling and disabling of the screensaver, long with ensuring that we have |
| 28 // only one screensaver at a time. |
| 29 // . Managing the showing and hiding of the current screensaver based on user |
| 30 // activity. |
| 31 // . Any power management that may be required while a screensaver is active. |
| 32 class ScreensaverController : public ash::UserActivityObserver, |
| 33 public PowerManagerClient::Observer, |
| 34 public content::NotificationObserver { |
| 35 public: |
| 36 ScreensaverController(); |
| 37 virtual ~ScreensaverController(); |
| 38 |
| 39 private: |
| 40 FRIEND_TEST_ALL_PREFIXES(ScreensaverControllerTest, Basic); |
| 41 FRIEND_TEST_ALL_PREFIXES(ScreensaverControllerTest, OutOfOrder); |
| 42 |
| 43 // Overridden from content::NotificationObserver: |
| 44 virtual void Observe(int type, |
| 45 const content::NotificationSource& source, |
| 46 const content::NotificationDetails& details) OVERRIDE; |
| 47 |
| 48 // Overridden from PowerManagerClient::Observer: |
| 49 virtual void IdleNotify(int64 threshold) OVERRIDE; |
| 50 |
| 51 // UserActivityObserver::Observer overrides: |
| 52 virtual void OnUserActivity() OVERRIDE; |
| 53 |
| 54 void SetupScreensaver(const std::string& screensaver_extension_id); |
| 55 void TeardownScreensaver(); |
| 56 |
| 57 void RequestNextIdleNotification(); |
| 58 |
| 59 std::string screensaver_extension_id_; |
| 60 |
| 61 content::NotificationRegistrar registrar_; |
| 62 |
| 63 base::TimeDelta threshold_; |
| 64 |
| 65 base::WeakPtrFactory<ScreensaverController> weak_ptr_factory_; |
| 66 |
| 67 DISALLOW_COPY_AND_ASSIGN(ScreensaverController); |
| 68 }; |
| 69 |
| 70 } // namespace chromeos |
| 71 |
| 72 #endif // CHROME_BROWSER_CHROMEOS_SCREENSAVER_SCREENSAVER_CONTROLLER_H_ |
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