1 // Copyright 2014 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_SUPERVISED_USER_SUPERVISED_USER_SHARED_SETTINGS_UPDATE_H_ 6 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SHARED_SETTINGS_UPDATE_H_ 7 8 #include <string> 9 10 #include "base/callback.h" 11 #include "base/callback_list.h" 12 #include "base/memory/scoped_ptr.h" 13 14 namespace base { 15 class Value; 16 } 17 18 class SupervisedUserSharedSettingsService; 19 20 // Lets clients of SupervisedUserSharedSettingsService change settings and wait 21 // for the Sync server to acknowledge the change. The callback passed in the 22 // constructor will be called with a true success value after the Sync server 23 // has flipped the acknowledgement flag for the setting. If another client 24 // changes the value in the mean time, the callback will be run with a false 25 // success value. If the object is destroyed before that, the callback will not 26 // be run. Note that any changes made to the setting will not be undone when 27 // destroying the object, even if the update was not successful or was canceled. 28 class SupervisedUserSharedSettingsUpdate { 29 public: 30 SupervisedUserSharedSettingsUpdate( 31 SupervisedUserSharedSettingsService* service, 32 const std::string& su_id, 33 const std::string& key, 34 scoped_ptr<base::Value> value, 35 const base::Callback<void(bool)>& success_callback); 36 ~SupervisedUserSharedSettingsUpdate(); 37 38 private: 39 typedef base::CallbackList<void(const std::string&, const std::string&)> 40 CallbackList; 41 42 void OnSettingChanged(const std::string& su_id, 43 const std::string& key); 44 45 SupervisedUserSharedSettingsService* service_; 46 std::string su_id_; 47 std::string key_; 48 scoped_ptr<base::Value> value_; 49 base::Callback<void(bool)> callback_; 50 scoped_ptr<CallbackList::Subscription> subscription_; 51 }; 52 53 #endif // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SHARED_SETTINGS_UPDATE_H_ 54