Revert 221410 "Add ManagedUserSettingsService and a SupervisedUs..."

trunk/src/chrome/browser/managed_mode/supervised_user_pref_store.cc

-// Copyright 2013 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.
-
-#include "chrome/browser/managed_mode/supervised_user_pref_store.h"
-
-#include "base/bind.h"
-#include "base/prefs/pref_value_map.h"
-#include "base/values.h"
-#include "chrome/browser/managed_mode/managed_mode_url_filter.h"
-#include "chrome/browser/managed_mode/managed_user_constants.h"
-#include "chrome/browser/managed_mode/managed_user_settings_service.h"
-#include "chrome/browser/prefs/incognito_mode_prefs.h"
-#include "chrome/common/pref_names.h"
-
-using base::FundamentalValue;
-
-namespace {
-
-struct ManagedUserSettingsPrefMappingEntry {
-  const char* settings_name;
-  const char* pref_name;
-};
-
-ManagedUserSettingsPrefMappingEntry kManagedUserSettingsPrefMapping[] = {
-  {
-    managed_users::kContentPackDefaultFilteringBehavior,
-    prefs::kDefaultManagedModeFilteringBehavior,
-  },
-  {
-    managed_users::kContentPackManualBehaviorHosts,
-    prefs::kManagedModeManualHosts,
-  },
-  {
-    managed_users::kContentPackManualBehaviorURLs,
-    prefs::kManagedModeManualURLs,
-  },
-  {
-    managed_users::kForceSafeSearch,
-    prefs::kForceSafeSearch,
-  },
-  {
-    managed_users::kUserName,
-    prefs::kProfileName,
-  },
-};
-
-}  // namespace
-
-SupervisedUserPrefStore::SupervisedUserPrefStore(
-    ManagedUserSettingsService* managed_user_settings_service)
-    : weak_ptr_factory_(this) {
-  managed_user_settings_service->Subscribe(
-      base::Bind(&SupervisedUserPrefStore::OnNewSettingsAvailable,
-                 weak_ptr_factory_.GetWeakPtr()));
-}
-
-bool SupervisedUserPrefStore::GetValue(const std::string& key,
-                                    const base::Value** value) const {
-  DCHECK(prefs_);
-  return prefs_->GetValue(key, value);
-}
-
-void SupervisedUserPrefStore::AddObserver(PrefStore::Observer* observer) {
-  observers_.AddObserver(observer);
-}
-
-void SupervisedUserPrefStore::RemoveObserver(PrefStore::Observer* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-bool SupervisedUserPrefStore::HasObservers() const {
-  return observers_.might_have_observers();
-}
-
-bool SupervisedUserPrefStore::IsInitializationComplete() const {
-  return !!prefs_;
-}
-
-SupervisedUserPrefStore::~SupervisedUserPrefStore() {
-}
-
-void SupervisedUserPrefStore::OnNewSettingsAvailable(
-    const base::DictionaryValue* settings) {
-  scoped_ptr<PrefValueMap> old_prefs = prefs_.Pass();
-  prefs_.reset(new PrefValueMap);
-  if (settings) {
-    // Set hardcoded prefs.
-    prefs_->SetValue(prefs::kAllowDeletingBrowserHistory,
-                     new FundamentalValue(false));
-    prefs_->SetValue(prefs::kDefaultManagedModeFilteringBehavior,
-                     new FundamentalValue(ManagedModeURLFilter::ALLOW));
-    prefs_->SetValue(prefs::kForceSafeSearch, new FundamentalValue(true));
-    prefs_->SetValue(prefs::kHideWebStoreIcon, new FundamentalValue(true));
-    prefs_->SetValue(prefs::kIncognitoModeAvailability,
-                     new FundamentalValue(IncognitoModePrefs::DISABLED));
-    prefs_->SetValue(prefs::kSigninAllowed, new FundamentalValue(false));
-
-    // Copy managed user settings to prefs.
-    for (size_t i = 0; i < arraysize(kManagedUserSettingsPrefMapping); ++i) {
-      const ManagedUserSettingsPrefMappingEntry& entry =
-          kManagedUserSettingsPrefMapping[i];
-      const base::Value* value = NULL;
-      if (settings->GetWithoutPathExpansion(entry.settings_name, &value))
-        prefs_->SetValue(entry.pref_name, value->DeepCopy());
-    }
-  }
-
-  if (!old_prefs) {
-    FOR_EACH_OBSERVER(Observer, observers_, OnInitializationCompleted(true));
-    return;
-  }
-
-  std::vector<std::string> changed_prefs;
-  prefs_->GetDifferingKeys(old_prefs.get(), &changed_prefs);
-
-  // Send out change notifications.
-  for (std::vector<std::string>::const_iterator pref(changed_prefs.begin());
-       pref != changed_prefs.end();
-       ++pref) {
-    FOR_EACH_OBSERVER(
-        PrefStore::Observer, observers_, OnPrefValueChanged(*pref));
-  }
-}