15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2010 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class TabRestoreService; 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Observer is notified when the set of entries managed by TabRestoreService 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// changes in some way. 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class TabRestoreServiceObserver { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sent when the set of entries changes in some way. 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void TabRestoreServiceChanged(TabRestoreService* service) = 0; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sent to all remaining Observers when TabRestoreService's 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // destructor is run. 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void TabRestoreServiceDestroyed(TabRestoreService* service) = 0; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 21a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) // Sent when TabRestoreService finishes loading. 22a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) virtual void TabRestoreServiceLoaded(TabRestoreService* service) {} 23a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~TabRestoreServiceObserver() {} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ 29