Device policy infrastructure

chrome/browser/policy/profile_policy_context.cc

-// 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