Index: chrome/browser/chromeos/policy/recommendation_restorer.h |
diff --git a/chrome/browser/chromeos/policy/recommendation_restorer.h b/chrome/browser/chromeos/policy/recommendation_restorer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ba843d5abc1ed5a7da811b7a4e20de0ff02d1d0e |
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+++ b/chrome/browser/chromeos/policy/recommendation_restorer.h |
@@ -0,0 +1,74 @@ |
+// Copyright (c) 2013 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_POLICY_RECOMMENDATION_RESTORER_H_ |
+#define CHROME_BROWSER_CHROMEOS_POLICY_RECOMMENDATION_RESTORER_H_ |
+ |
+#include <string> |
+ |
+#include "ash/wm/user_activity_observer.h" |
+#include "base/basictypes.h" |
+#include "base/compiler_specific.h" |
+#include "base/prefs/pref_change_registrar.h" |
+#include "base/timer.h" |
+#include "components/browser_context_keyed_service/browser_context_keyed_service.h" |
+#include "content/public/browser/notification_observer.h" |
+#include "content/public/browser/notification_registrar.h" |
+ |
+class Profile; |
+ |
+namespace policy { |
+ |
+// Observes a set of prefs in the login profile. If any of the prefs has a |
+// recommended value, its user setting is cleared so that the recommendation can |
+// take effect. This happens immediately when the login screen is shown, when |
+// a session is being started and whenever recommended values change during a |
+// user session. On the login screen, user settings are cleared when the user |
+// becomes idle for one minute. |
+class RecommendationRestorer : public BrowserContextKeyedService, |
+ public content::NotificationObserver, |
+ public ash::UserActivityObserver { |
+ public: |
+ explicit RecommendationRestorer(Profile* profile); |
+ virtual ~RecommendationRestorer(); |
+ |
+ // BrowserContextKeyedService: |
+ virtual void Shutdown() OVERRIDE; |
+ |
+ // content::NotificationObserver: |
+ virtual void Observe(int type, |
+ const content::NotificationSource& source, |
+ const content::NotificationDetails& details) OVERRIDE; |
+ |
+ // ash::UserActivityObserver::Observer: |
+ virtual void OnUserActivity() OVERRIDE; |
+ |
+ // If a recommended value and a user setting exist for |pref_name|, clears the |
+ // user setting so that the recommended value can take effect. If |
+ // |allow_delay| is |true| and the login screen is being shown, a timer is |
+ // started that will clear the setting when the user becomes idle for one |
+ // minute. Otherwise, the setting is cleared immediately. |
+ void Restore(bool allow_delay, const std::string& pref_name); |
+ |
+ private: |
+ friend class RecommendationRestorerTest; |
+ |
+ void RestoreAll(); |
+ |
+ void StartTimer(); |
+ void StopTimer(); |
+ |
+ PrefChangeRegistrar pref_change_registrar_; |
+ content::NotificationRegistrar notification_registrar_; |
+ |
+ bool logged_in_; |
+ |
+ base::OneShotTimer<RecommendationRestorer> restore_timer_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(RecommendationRestorer); |
+}; |
+ |
+} // namespace policy |
+ |
+#endif // CHROME_BROWSER_CHROMEOS_POLICY_RECOMMENDATION_RESTORER_H_ |