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
ExternalPolicyLoader(Profile * profile)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
AddExtension(base::DictionaryValue * dict,const std::string & extension_id,const std::string & update_url)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
Observe(int type,const content::NotificationSource & source,const content::NotificationDetails & details)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
StartLoading()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