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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.
#include "chrome/browser/policy/network_prediction_policy_handler.h"
#include "base/prefs/pref_value_map.h"
#include "base/values.h"
#include "chrome/browser/net/prediction_options.h"
#include "chrome/common/pref_names.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/policy/core/common/policy_map.h"
#include "grit/components_strings.h"
#include "policy/policy_constants.h"
namespace policy {
NetworkPredictionPolicyHandler::NetworkPredictionPolicyHandler() {
}
NetworkPredictionPolicyHandler::~NetworkPredictionPolicyHandler() {
}
bool NetworkPredictionPolicyHandler::CheckPolicySettings(
const PolicyMap& policies,
PolicyErrorMap* errors) {
// Deprecated boolean preference.
const base::Value* network_prediction_enabled =
policies.GetValue(key::kDnsPrefetchingEnabled);
// New enumerated preference.
const base::Value* network_prediction_options =
policies.GetValue(key::kNetworkPredictionOptions);
if (network_prediction_enabled &&
!network_prediction_enabled->IsType(base::Value::TYPE_BOOLEAN)) {
errors->AddError(key::kDnsPrefetchingEnabled,
IDS_POLICY_TYPE_ERROR,
ValueTypeToString(base::Value::TYPE_BOOLEAN));
}
if (network_prediction_options &&
!network_prediction_options->IsType(base::Value::TYPE_INTEGER)) {
errors->AddError(key::kNetworkPredictionOptions,
IDS_POLICY_TYPE_ERROR,
ValueTypeToString(base::Value::TYPE_INTEGER));
}
if (network_prediction_enabled && network_prediction_options) {
errors->AddError(key::kDnsPrefetchingEnabled,
IDS_POLICY_OVERRIDDEN,
key::kNetworkPredictionOptions);
}
return true;
}
void NetworkPredictionPolicyHandler::ApplyPolicySettings(
const PolicyMap& policies,
PrefValueMap* prefs) {
// If new preference is managed by policy, apply it to both preferences.
const base::Value* network_prediction_options =
policies.GetValue(key::kNetworkPredictionOptions);
int int_setting;
if (network_prediction_options &&
network_prediction_options->GetAsInteger(&int_setting)) {
prefs->SetInteger(prefs::kNetworkPredictionOptions, int_setting);
// Be conservative here and only set Enabled if policy says ALWAYS.
prefs->SetBoolean(
prefs::kNetworkPredictionEnabled,
int_setting == chrome_browser_net::NETWORK_PREDICTION_ALWAYS);
return;
}
// If deprecated preference is managed by policy, apply it to both
// preferences.
const base::Value* network_prediction_enabled =
policies.GetValue(key::kDnsPrefetchingEnabled);
bool bool_setting;
if (network_prediction_enabled &&
network_prediction_enabled->GetAsBoolean(&bool_setting)) {
prefs->SetBoolean(prefs::kNetworkPredictionEnabled, bool_setting);
// Some predictive network actions, most notably prefetch, used to be
// hardwired never to run on cellular network. In order to retain this
// behavior (unless explicitly overriden by kNetworkPredictionOptions),
// kNetworkPredictionEnabled = true is translated to
// kNetworkPredictionOptions = WIFI_ONLY.
prefs->SetInteger(prefs::kNetworkPredictionOptions,
bool_setting
? chrome_browser_net::NETWORK_PREDICTION_WIFI_ONLY
: chrome_browser_net::NETWORK_PREDICTION_NEVER);
}
}
} // namespace policy
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