| // Copyright 2014 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_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "chrome/browser/sessions/session_restore.h" |
| |
| namespace extensions { |
| class StateStore; |
| |
| // Initializes the StateStore when session restore is complete, for example when |
| // page load notifications are not sent ("Continue where I left off"). |
| // http://crbug.com/230481 |
| class StateStoreNotificationObserver { |
| public: |
| explicit StateStoreNotificationObserver(StateStore* state_store); |
| ~StateStoreNotificationObserver(); |
| |
| private: |
| // Called when a session restore has finished. |
| void OnSessionRestoreDone(int num_tabs_restored); |
| |
| StateStore* state_store_; // Not owned. |
| |
| // Points to the on-session-restored callback that was registered with |
| // SessionRestore's callback list. When objects of this class are destroyed, |
| // the subscription object's destructor will automatically unregister the |
| // callback in SessionRestore, so that the callback list does not contain any |
| // obsolete callbacks. |
| SessionRestore::CallbackSubscription |
| on_session_restored_callback_subscription_; |
| |
| DISALLOW_COPY_AND_ASSIGN(StateStoreNotificationObserver); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_ |