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/plugins/plugin_status_pref_setter.h"
6
7 #include "base/bind.h"
8 #include "base/prefs/pref_service.h"
9 #include "chrome/browser/chrome_notification_types.h"
10 #include "chrome/browser/pepper_flash_settings_manager.h"
11 #include "chrome/browser/plugins/plugin_data_remover_helper.h"
12 #include "chrome/browser/plugins/plugin_prefs.h"
13 #include "chrome/browser/profiles/profile.h"
14 #include "chrome/common/pref_names.h"
15 #include "content/public/browser/browser_thread.h"
16 #include "content/public/browser/notification_source.h"
17 #include "content/public/browser/plugin_service.h"
18 #include "content/public/common/webplugininfo.h"
19
20 using content::BrowserThread;
21 using content::PluginService;
22
PluginStatusPrefSetter()23 PluginStatusPrefSetter::PluginStatusPrefSetter()
24 : profile_(NULL),
25 factory_(this) {}
26
~PluginStatusPrefSetter()27 PluginStatusPrefSetter::~PluginStatusPrefSetter() {
28 }
29
Init(Profile * profile,const BooleanPrefMember::NamedChangeCallback & observer)30 void PluginStatusPrefSetter::Init(
31 Profile* profile,
32 const BooleanPrefMember::NamedChangeCallback& observer) {
33 clear_plugin_lso_data_enabled_.Init(prefs::kClearPluginLSODataEnabled,
34 profile->GetPrefs(), observer);
35 pepper_flash_settings_enabled_.Init(prefs::kPepperFlashSettingsEnabled,
36 profile->GetPrefs(), observer);
37 profile_ = profile;
38 registrar_.Add(this, chrome::NOTIFICATION_PLUGIN_ENABLE_STATUS_CHANGED,
39 content::Source<Profile>(profile));
40 StartUpdate();
41 }
42
Observe(int type,const content::NotificationSource & source,const content::NotificationDetails & details)43 void PluginStatusPrefSetter::Observe(
44 int type,
45 const content::NotificationSource& source,
46 const content::NotificationDetails& details) {
47 if (type == chrome::NOTIFICATION_PLUGIN_ENABLE_STATUS_CHANGED) {
48 StartUpdate();
49 } else {
50 NOTREACHED();
51 }
52 }
53
StartUpdate()54 void PluginStatusPrefSetter::StartUpdate() {
55 PluginService::GetInstance()->GetPlugins(
56 base::Bind(&PluginStatusPrefSetter::GotPlugins, factory_.GetWeakPtr(),
57 PluginPrefs::GetForProfile(profile_)));
58 }
59
GotPlugins(scoped_refptr<PluginPrefs> plugin_prefs,const std::vector<content::WebPluginInfo> & plugins)60 void PluginStatusPrefSetter::GotPlugins(
61 scoped_refptr<PluginPrefs> plugin_prefs,
62 const std::vector<content::WebPluginInfo>& plugins) {
63 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
64 // Set the values on the PrefService instead of through the PrefMembers to
65 // notify observers if they changed.
66 profile_->GetPrefs()->SetBoolean(
67 clear_plugin_lso_data_enabled_.GetPrefName().c_str(),
68 PluginDataRemoverHelper::IsSupported(plugin_prefs.get()));
69 profile_->GetPrefs()->SetBoolean(
70 pepper_flash_settings_enabled_.GetPrefName().c_str(),
71 PepperFlashSettingsManager::IsPepperFlashInUse(plugin_prefs.get(), NULL));
72 }
73