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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_MANAGED_MODE_MANAGED_USER_SHARED_SETTINGS_UPDATE_H_ | |
6 #define CHROME_BROWSER_MANAGED_MODE_MANAGED_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 ManagedUserSharedSettingsService; | |
19 | |
20 // Lets clients of ManagedUserSharedSettingsService change settings and wait for | |
21 // 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 ManagedUserSharedSettingsUpdate { | |
29 public: | |
30 ManagedUserSharedSettingsUpdate( | |
31 ManagedUserSharedSettingsService* service, | |
32 const std::string& mu_id, | |
33 const std::string& key, | |
34 scoped_ptr<base::Value> value, | |
35 const base::Callback<void(bool)>& success_callback); | |
36 ~ManagedUserSharedSettingsUpdate(); | |
37 | |
38 private: | |
39 typedef base::CallbackList<void(const std::string&, const std::string&)> | |
40 CallbackList; | |
41 | |
42 void OnSettingChanged(const std::string& mu_id, | |
43 const std::string& key); | |
44 | |
45 ManagedUserSharedSettingsService* service_; | |
46 std::string mu_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_MANAGED_MODE_MANAGED_USER_SHARED_SETTINGS_UPDATE_H_ | |
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