15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 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)#include "chrome/browser/prefs/scoped_user_pref_update.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/prefs/pref_notifier.h" 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_service.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace subtle { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScopedUserPrefUpdateBase::ScopedUserPrefUpdateBase(PrefService* service, 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* path) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : service_(service), 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path_(path), 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) value_(NULL) {} 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScopedUserPrefUpdateBase::~ScopedUserPrefUpdateBase() { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Notify(); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Value* ScopedUserPrefUpdateBase::GetValueOfType(base::Value::Type type) { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!value_) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) value_ = service_->GetMutableUserPref(path_.c_str(), type); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return value_; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ScopedUserPrefUpdateBase::Notify() { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (value_) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) service_->ReportUserPrefChanged(path_); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) value_ = NULL; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace subtle 37