1 // Copyright (c) 2010 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_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ 6 #define CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ 7 8 class TabRestoreService; 9 10 // Observer is notified when the set of entries managed by TabRestoreService 11 // changes in some way. 12 class TabRestoreServiceObserver { 13 public: 14 // Sent when the set of entries changes in some way. 15 virtual void TabRestoreServiceChanged(TabRestoreService* service) = 0; 16 17 // Sent to all remaining Observers when TabRestoreService's 18 // destructor is run. 19 virtual void TabRestoreServiceDestroyed(TabRestoreService* service) = 0; 20 21 // Sent when TabRestoreService finishes loading. 22 virtual void TabRestoreServiceLoaded(TabRestoreService* service) {} 23 24 protected: 25 virtual ~TabRestoreServiceObserver() {} 26 }; 27 28 #endif // CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ 29
