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// Copyright (c) 2011 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 <algorithm>
#include <string>
#include "base/command_line.h"
#include "chrome/browser/policy/configuration_policy_pref_store.h"
#include "chrome/browser/policy/device_management_policy_provider.h"
#include "chrome/browser/policy/device_management_service.h"
#include "chrome/browser/policy/profile_policy_context.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/notification_details.h"
#include "chrome/common/notification_source.h"
#include "chrome/common/pref_names.h"
namespace {
// Refresh rate sanity interval bounds.
const int64 kPolicyRefreshRateMinMs = 30 * 60 * 1000; // 30 minutes
const int64 kPolicyRefreshRateMaxMs = 24 * 60 * 60 * 1000; // 1 day
} // namespace
namespace policy {
ProfilePolicyContext::ProfilePolicyContext(Profile* profile)
: profile_(profile) {
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kDeviceManagementUrl)) {
device_management_service_.reset(new DeviceManagementService(
command_line->GetSwitchValueASCII(switches::kDeviceManagementUrl)));
device_management_policy_provider_.reset(
new policy::DeviceManagementPolicyProvider(
ConfigurationPolicyPrefStore::GetChromePolicyDefinitionList(),
device_management_service_->CreateBackend(),
profile_));
}
}
ProfilePolicyContext::~ProfilePolicyContext() {
device_management_policy_provider_.reset();
device_management_service_.reset();
}
void ProfilePolicyContext::Initialize() {
if (device_management_service_.get())
device_management_service_->Initialize(profile_->GetRequestContext());
policy_refresh_rate_.Init(prefs::kPolicyRefreshRate, profile_->GetPrefs(),
this);
UpdatePolicyRefreshRate();
}
void ProfilePolicyContext::Shutdown() {
if (device_management_service_.get())
device_management_service_->Shutdown();
}
DeviceManagementPolicyProvider*
ProfilePolicyContext::GetDeviceManagementPolicyProvider() {
return device_management_policy_provider_.get();
}
// static
void ProfilePolicyContext::RegisterUserPrefs(PrefService* user_prefs) {
user_prefs->RegisterIntegerPref(prefs::kPolicyRefreshRate,
kDefaultPolicyRefreshRateInMilliseconds);
}
void ProfilePolicyContext::UpdatePolicyRefreshRate() {
if (device_management_policy_provider_.get()) {
// Clamp to sane values.
int64 refresh_rate = policy_refresh_rate_.GetValue();
refresh_rate = std::max(kPolicyRefreshRateMinMs, refresh_rate);
refresh_rate = std::min(kPolicyRefreshRateMaxMs, refresh_rate);
device_management_policy_provider_->SetRefreshRate(refresh_rate);
}
}
void ProfilePolicyContext::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
if (type == NotificationType::PREF_CHANGED &&
prefs::kPolicyRefreshRate == *(Details<std::string>(details).ptr()) &&
profile_->GetPrefs() == Source<PrefService>(source).ptr()) {
UpdatePolicyRefreshRate();
} else {
NOTREACHED();
}
}
} // namespace policy
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