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// 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_SUPERVISED_USER_SUPERVISED_USER_SHARED_SETTINGS_UPDATE_H_
#define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SHARED_SETTINGS_UPDATE_H_
#include <string>
#include "base/callback.h"
#include "base/callback_list.h"
#include "base/memory/scoped_ptr.h"
namespace base {
class Value;
}
class SupervisedUserSharedSettingsService;
// Lets clients of SupervisedUserSharedSettingsService change settings and wait
// for the Sync server to acknowledge the change. The callback passed in the
// constructor will be called with a true success value after the Sync server
// has flipped the acknowledgement flag for the setting. If another client
// changes the value in the mean time, the callback will be run with a false
// success value. If the object is destroyed before that, the callback will not
// be run. Note that any changes made to the setting will not be undone when
// destroying the object, even if the update was not successful or was canceled.
class SupervisedUserSharedSettingsUpdate {
public:
SupervisedUserSharedSettingsUpdate(
SupervisedUserSharedSettingsService* service,
const std::string& su_id,
const std::string& key,
scoped_ptr<base::Value> value,
const base::Callback<void(bool)>& success_callback);
~SupervisedUserSharedSettingsUpdate();
private:
typedef base::CallbackList<void(const std::string&, const std::string&)>
CallbackList;
void OnSettingChanged(const std::string& su_id,
const std::string& key);
SupervisedUserSharedSettingsService* service_;
std::string su_id_;
std::string key_;
scoped_ptr<base::Value> value_;
base::Callback<void(bool)> callback_;
scoped_ptr<CallbackList::Subscription> subscription_;
};
#endif // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SHARED_SETTINGS_UPDATE_H_
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