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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/prefs/incognito_mode_prefs.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#if defined(OS_WIN)
#include "base/win/metro.h"
#endif // OS_WIN
#if defined(OS_ANDROID)
#include "chrome/browser/android/chromium_application.h"
#endif // OS_ANDROID
#if defined(OS_WIN)
namespace {
bool g_parental_control_on = false;
} // empty namespace
#endif // OS_WIN
// static
bool IncognitoModePrefs::IntToAvailability(int in_value,
Availability* out_value) {
if (in_value < 0 || in_value >= AVAILABILITY_NUM_TYPES) {
*out_value = ENABLED;
return false;
}
*out_value = static_cast<Availability>(in_value);
return true;
}
// static
IncognitoModePrefs::Availability IncognitoModePrefs::GetAvailability(
const PrefService* pref_service) {
DCHECK(pref_service);
int pref_value = pref_service->GetInteger(prefs::kIncognitoModeAvailability);
Availability result = IncognitoModePrefs::ENABLED;
bool valid = IntToAvailability(pref_value, &result);
DCHECK(valid);
if (ArePlatformParentalControlsEnabled()) {
if (result == IncognitoModePrefs::FORCED)
LOG(ERROR) << "Ignoring FORCED incognito. Parental control logging on";
return IncognitoModePrefs::DISABLED;
}
return result;
}
// static
void IncognitoModePrefs::SetAvailability(PrefService* prefs,
const Availability availability) {
prefs->SetInteger(prefs::kIncognitoModeAvailability, availability);
}
// static
void IncognitoModePrefs::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterIntegerPref(
prefs::kIncognitoModeAvailability,
IncognitoModePrefs::ENABLED,
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
}
// static
bool IncognitoModePrefs::ShouldLaunchIncognito(
const CommandLine& command_line,
const PrefService* prefs) {
Availability incognito_avail = GetAvailability(prefs);
return incognito_avail != IncognitoModePrefs::DISABLED &&
(command_line.HasSwitch(switches::kIncognito) ||
incognito_avail == IncognitoModePrefs::FORCED);
}
// static
bool IncognitoModePrefs::CanOpenBrowser(Profile* profile) {
if (profile->IsGuestSession())
return true;
switch (GetAvailability(profile->GetPrefs())) {
case IncognitoModePrefs::ENABLED:
return true;
case IncognitoModePrefs::DISABLED:
return !profile->IsOffTheRecord();
case IncognitoModePrefs::FORCED:
return profile->IsOffTheRecord();
default:
NOTREACHED();
return false;
}
}
// static
bool IncognitoModePrefs::ArePlatformParentalControlsEnabled() {
#if defined(OS_WIN)
// Disable incognito mode windows if parental controls are on. This is only
// for Windows Vista and above.
return base::win::IsParentalControlActivityLoggingOn();
#elif defined(OS_ANDROID)
return chrome::android::ChromiumApplication::AreParentalControlsEnabled();
#else
return false;
#endif
}
#if defined(OS_WIN)
void IncognitoModePrefs::InitializePlatformParentalControls() {
g_parental_control_on = base::win::IsParentalControlActivityLoggingOn();
}
#endif // OS_WIN
bool IncognitoModePrefs::ArePlatformParentalControlsEnabledCached() {
#if defined(OS_WIN)
return g_parental_control_on;
#elif defined(OS_ANDROID)
return chrome::android::ChromiumApplication::AreParentalControlsEnabled();
#else
return false;
#endif
}
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