chrome/browser/supervised_user/legacy/supervised_user_shared_settings_update.cc

   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 #include "chrome/browser/supervised_user/legacy/supervised_user_shared_settings_update.h"
   6
   7 #include "base/bind.h"
   8 #include "base/values.h"
   9 #include "chrome/browser/supervised_user/legacy/supervised_user_shared_settings_service.h"
  10
  11 SupervisedUserSharedSettingsUpdate::SupervisedUserSharedSettingsUpdate(
  12     SupervisedUserSharedSettingsService* service,
  13     const std::string& su_id,
  14     const std::string& key,
  15     scoped_ptr<base::Value> value,
  16     const base::Callback<void(bool)>& success_callback)
  17     : service_(service),
  18       su_id_(su_id),
  19       key_(key),
  20       value_(value.Pass()),
  21       callback_(success_callback) {
  22   service->SetValueInternal(su_id, key, *value_, false);
  23   subscription_ = service->Subscribe(
  24       base::Bind(&SupervisedUserSharedSettingsUpdate::OnSettingChanged,
  25                  base::Unretained(this)));
  26 }
  27
  28 SupervisedUserSharedSettingsUpdate::~SupervisedUserSharedSettingsUpdate() {}
  29
  30 void SupervisedUserSharedSettingsUpdate::OnSettingChanged(
  31     const std::string& su_id, const std::string& key) {
  32   if (su_id != su_id_)
  33     return;
  34
  35   if (key != key_)
  36     return;
  37
  38   const base::Value* value = service_->GetValue(su_id, key);
  39   callback_.Run(value->Equals(value_.get()));
  40 }