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// Copyright (c) 2012 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 "chrome/browser/speech/chrome_speech_recognition_preferences.h"
#include "base/bind.h"
#include "base/values.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_dependency_manager.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_details.h"
using base::ListValue;
using content::BrowserThread;
namespace {
const bool kDefaultFilterProfanities = true;
const bool kDefaultShownSecurityNotification = false;
}
ChromeSpeechRecognitionPreferences::Factory*
ChromeSpeechRecognitionPreferences::Factory::GetInstance() {
return Singleton<ChromeSpeechRecognitionPreferences::Factory>::get();
}
void ChromeSpeechRecognitionPreferences::InitializeFactory() {
ChromeSpeechRecognitionPreferences::Factory::GetInstance();
}
scoped_refptr<ChromeSpeechRecognitionPreferences>
ChromeSpeechRecognitionPreferences::Factory::GetForProfile(Profile* profile) {
DCHECK(profile);
// GetServiceForProfile will let us instantiate a new (if not already cached
// for the profile) Service through BuildServiceInstanceFor method.
return static_cast<ChromeSpeechRecognitionPreferences::Service*>(
GetServiceForProfile(profile, true))->GetPreferences();
}
ChromeSpeechRecognitionPreferences::Factory::Factory()
: ProfileKeyedServiceFactory(
"ChromeSpeechRecognitionPreferences",
ProfileDependencyManager::GetInstance()) {
}
ChromeSpeechRecognitionPreferences::Factory::~Factory() {
}
ProfileKeyedService*
ChromeSpeechRecognitionPreferences::Factory::BuildServiceInstanceFor(
Profile* profile) const {
DCHECK(profile);
return new ChromeSpeechRecognitionPreferences::Service(profile);
}
void ChromeSpeechRecognitionPreferences::Factory::RegisterUserPrefs(
PrefService* prefs) {
prefs->RegisterBooleanPref(
prefs::kSpeechRecognitionFilterProfanities,
kDefaultFilterProfanities,
PrefService::UNSYNCABLE_PREF);
prefs->RegisterListPref(
prefs::kSpeechRecognitionTrayNotificationShownContexts,
PrefService::UNSYNCABLE_PREF);
}
bool ChromeSpeechRecognitionPreferences::Factory::
ServiceRedirectedInIncognito() const {
return false;
}
bool ChromeSpeechRecognitionPreferences::Factory::
ServiceIsNULLWhileTesting() const {
return true;
}
bool ChromeSpeechRecognitionPreferences::Factory::
ServiceIsCreatedWithProfile() const {
return false;
}
ChromeSpeechRecognitionPreferences::Service::Service(
Profile* profile)
: preferences_(new ChromeSpeechRecognitionPreferences(profile)) {
}
ChromeSpeechRecognitionPreferences::Service::~Service() {
}
void ChromeSpeechRecognitionPreferences::Service::Shutdown() {
DCHECK(preferences_);
preferences_->DetachFromProfile();
}
scoped_refptr<ChromeSpeechRecognitionPreferences>
ChromeSpeechRecognitionPreferences::Service::GetPreferences() const {
return preferences_;
}
scoped_refptr<ChromeSpeechRecognitionPreferences>
ChromeSpeechRecognitionPreferences::GetForProfile(Profile* profile) {
if (profile) {
return Factory::GetInstance()->GetForProfile(profile);
} else {
// Create a detached preferences object if no profile is provided.
return new ChromeSpeechRecognitionPreferences(NULL);
}
}
ChromeSpeechRecognitionPreferences::ChromeSpeechRecognitionPreferences(
Profile* profile)
: profile_(profile),
pref_change_registrar_(new PrefChangeRegistrar()),
filter_profanities_(kDefaultFilterProfanities),
notifications_shown_(new ListValue()) {
if (!profile_)
return;
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
pref_change_registrar_->Init(profile_->GetPrefs());
ReloadPreference(prefs::kSpeechRecognitionFilterProfanities);
pref_change_registrar_->Add(prefs::kSpeechRecognitionFilterProfanities, this);
ReloadPreference(prefs::kSpeechRecognitionTrayNotificationShownContexts);
pref_change_registrar_->Add(
prefs::kSpeechRecognitionTrayNotificationShownContexts, this);
}
ChromeSpeechRecognitionPreferences::~ChromeSpeechRecognitionPreferences() {
}
void ChromeSpeechRecognitionPreferences::DetachFromProfile() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(profile_);
pref_change_registrar_.reset();
profile_ = NULL;
}
void ChromeSpeechRecognitionPreferences::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK_EQ(type, chrome::NOTIFICATION_PREF_CHANGED);
std::string* pref_name = content::Details<std::string>(details).ptr();
ReloadPreference(*pref_name);
}
bool ChromeSpeechRecognitionPreferences::FilterProfanities() const {
base::AutoLock read_lock(preferences_lock_);
return filter_profanities_;
}
void ChromeSpeechRecognitionPreferences::SetFilterProfanities(
bool filter_profanities) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
{
base::AutoLock write_lock(preferences_lock_);
filter_profanities_ = filter_profanities;
}
if (profile_) {
profile_->GetPrefs()->SetBoolean(prefs::kSpeechRecognitionFilterProfanities,
filter_profanities);
}
}
void ChromeSpeechRecognitionPreferences::ToggleFilterProfanities() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
SetFilterProfanities(!FilterProfanities());
}
bool ChromeSpeechRecognitionPreferences::ShouldShowSecurityNotification(
const std::string& context_name) const {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(notifications_shown_.get());
scoped_ptr<base::StringValue> match_name(
base::Value::CreateStringValue(context_name));
return notifications_shown_->Find(*match_name) == notifications_shown_->end();
}
void ChromeSpeechRecognitionPreferences::SetHasShownSecurityNotification(
const std::string& context_name) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(notifications_shown_.get());
notifications_shown_->AppendIfNotPresent(
base::Value::CreateStringValue(context_name));
if (profile_) {
profile_->GetPrefs()->Set(
prefs::kSpeechRecognitionTrayNotificationShownContexts,
*notifications_shown_);
}
}
void ChromeSpeechRecognitionPreferences::ReloadPreference(
const std::string& key) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(profile_);
base::AutoLock write_lock(preferences_lock_);
PrefService* pref_service = profile_->GetPrefs();
if (key == prefs::kSpeechRecognitionFilterProfanities) {
filter_profanities_ =
pref_service->GetBoolean(prefs::kSpeechRecognitionFilterProfanities);
} else if (key == prefs::kSpeechRecognitionTrayNotificationShownContexts) {
const base::ListValue* pref_list = profile_->GetPrefs()->GetList(
prefs::kSpeechRecognitionTrayNotificationShownContexts);
DCHECK(pref_list);
notifications_shown_.reset(pref_list->DeepCopy());
}
}
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