1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/extensions/external_policy_loader.h" 6 7 #include "base/bind.h" 8 #include "base/logging.h" 9 #include "base/prefs/pref_service.h" 10 #include "base/strings/stringprintf.h" 11 #include "base/values.h" 12 #include "chrome/browser/chrome_notification_types.h" 13 #include "chrome/browser/extensions/external_provider_impl.h" 14 #include "chrome/browser/profiles/profile.h" 15 #include "chrome/common/pref_names.h" 16 #include "content/public/browser/notification_details.h" 17 #include "content/public/browser/notification_source.h" 18 #include "extensions/browser/pref_names.h" 19 20 namespace extensions { 21 22 ExternalPolicyLoader::ExternalPolicyLoader(Profile* profile) 23 : profile_(profile) { 24 pref_change_registrar_.Init(profile_->GetPrefs()); 25 pref_change_registrar_.Add(pref_names::kInstallForceList, 26 base::Bind(&ExternalPolicyLoader::StartLoading, 27 base::Unretained(this))); 28 pref_change_registrar_.Add(pref_names::kAllowedTypes, 29 base::Bind(&ExternalPolicyLoader::StartLoading, 30 base::Unretained(this))); 31 notification_registrar_.Add(this, 32 chrome::NOTIFICATION_PROFILE_DESTROYED, 33 content::Source<Profile>(profile_)); 34 } 35 36 // static 37 void ExternalPolicyLoader::AddExtension(base::DictionaryValue* dict, 38 const std::string& extension_id, 39 const std::string& update_url) { 40 dict->SetString(base::StringPrintf("%s.%s", extension_id.c_str(), 41 ExternalProviderImpl::kExternalUpdateUrl), 42 update_url); 43 } 44 45 void ExternalPolicyLoader::Observe( 46 int type, 47 const content::NotificationSource& source, 48 const content::NotificationDetails& details) { 49 if (profile_ == NULL) return; 50 DCHECK(type == chrome::NOTIFICATION_PROFILE_DESTROYED) << 51 "Unexpected notification type."; 52 if (content::Source<Profile>(source).ptr() == profile_) { 53 notification_registrar_.RemoveAll(); 54 pref_change_registrar_.RemoveAll(); 55 profile_ = NULL; 56 } 57 } 58 59 void ExternalPolicyLoader::StartLoading() { 60 const base::DictionaryValue* forcelist = 61 profile_->GetPrefs()->GetDictionary(pref_names::kInstallForceList); 62 prefs_.reset(forcelist ? forcelist->DeepCopy() : NULL); 63 LoadFinished(); 64 } 65 66 } // namespace extensions 67
