blob: 0f122fa3ca2395519b44dc5262f7cb05c8a7b685 [file] [log] [blame]
// Copyright (c) 2011 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/chromeos/preferences.h"
#include "base/i18n/time_formatting.h"
#include "base/metrics/histogram.h"
#include "base/string_split.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/chromeos/cros/cros_library.h"
#include "chrome/browser/chromeos/cros/input_method_library.h"
#include "chrome/browser/chromeos/cros/power_library.h"
#include "chrome/browser/chromeos/cros/touchpad_library.h"
#include "chrome/browser/chromeos/input_method/input_method_util.h"
#include "chrome/browser/chromeos/input_method/xkeyboard.h"
#include "chrome/browser/chromeos/login/login_utils.h"
#include "chrome/browser/prefs/pref_member.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/common/pref_names.h"
#include "content/common/notification_details.h"
#include "content/common/notification_source.h"
#include "content/common/notification_type.h"
#include "unicode/timezone.h"
namespace chromeos {
static const char kFallbackInputMethodLocale[] = "en-US";
Preferences::Preferences() {}
Preferences::~Preferences() {}
// static
void Preferences::RegisterUserPrefs(PrefService* prefs) {
prefs->RegisterBooleanPref(prefs::kTapToClickEnabled, false);
prefs->RegisterBooleanPref(prefs::kLabsMediaplayerEnabled, false);
prefs->RegisterBooleanPref(prefs::kLabsAdvancedFilesystemEnabled, false);
// Check if the accessibility pref is already registered, which can happen
// in WizardController::RegisterPrefs. We still want to try to register
// the pref here in case of Chrome/Linux with ChromeOS=1.
if (prefs->FindPreference(prefs::kAccessibilityEnabled) == NULL) {
prefs->RegisterBooleanPref(prefs::kAccessibilityEnabled, false);
}
prefs->RegisterIntegerPref(prefs::kTouchpadSensitivity, 3);
// Set the default based on the hour clock type of the current locale.
prefs->RegisterBooleanPref(prefs::kUse24HourClock,
base::GetHourClockType() == base::k24HourClock);
prefs->RegisterStringPref(prefs::kLanguageCurrentInputMethod, "");
prefs->RegisterStringPref(prefs::kLanguagePreviousInputMethod, "");
prefs->RegisterStringPref(prefs::kLanguageHotkeyNextEngineInMenu,
language_prefs::kHotkeyNextEngineInMenu);
prefs->RegisterStringPref(prefs::kLanguageHotkeyPreviousEngine,
language_prefs::kHotkeyPreviousEngine);
prefs->RegisterStringPref(prefs::kLanguagePreferredLanguages,
kFallbackInputMethodLocale);
prefs->RegisterStringPref(
prefs::kLanguagePreloadEngines,
input_method::GetHardwareInputMethodId());
for (size_t i = 0; i < language_prefs::kNumChewingBooleanPrefs; ++i) {
prefs->RegisterBooleanPref(
language_prefs::kChewingBooleanPrefs[i].pref_name,
language_prefs::kChewingBooleanPrefs[i].default_pref_value);
}
for (size_t i = 0; i < language_prefs::kNumChewingMultipleChoicePrefs; ++i) {
prefs->RegisterStringPref(
language_prefs::kChewingMultipleChoicePrefs[i].pref_name,
language_prefs::kChewingMultipleChoicePrefs[i].default_pref_value);
}
prefs->RegisterIntegerPref(
language_prefs::kChewingHsuSelKeyType.pref_name,
language_prefs::kChewingHsuSelKeyType.default_pref_value);
for (size_t i = 0; i < language_prefs::kNumChewingIntegerPrefs; ++i) {
prefs->RegisterIntegerPref(
language_prefs::kChewingIntegerPrefs[i].pref_name,
language_prefs::kChewingIntegerPrefs[i].default_pref_value);
}
prefs->RegisterStringPref(
prefs::kLanguageHangulKeyboard,
language_prefs::kHangulKeyboardNameIDPairs[0].keyboard_id);
prefs->RegisterStringPref(prefs::kLanguageHangulHanjaKeys,
language_prefs::kHangulHanjaKeys);
for (size_t i = 0; i < language_prefs::kNumPinyinBooleanPrefs; ++i) {
prefs->RegisterBooleanPref(
language_prefs::kPinyinBooleanPrefs[i].pref_name,
language_prefs::kPinyinBooleanPrefs[i].default_pref_value);
}
for (size_t i = 0; i < language_prefs::kNumPinyinIntegerPrefs; ++i) {
prefs->RegisterIntegerPref(
language_prefs::kPinyinIntegerPrefs[i].pref_name,
language_prefs::kPinyinIntegerPrefs[i].default_pref_value);
}
prefs->RegisterIntegerPref(
language_prefs::kPinyinDoublePinyinSchema.pref_name,
language_prefs::kPinyinDoublePinyinSchema.default_pref_value);
for (size_t i = 0; i < language_prefs::kNumMozcBooleanPrefs; ++i) {
prefs->RegisterBooleanPref(
language_prefs::kMozcBooleanPrefs[i].pref_name,
language_prefs::kMozcBooleanPrefs[i].default_pref_value);
}
for (size_t i = 0; i < language_prefs::kNumMozcMultipleChoicePrefs; ++i) {
prefs->RegisterStringPref(
language_prefs::kMozcMultipleChoicePrefs[i].pref_name,
language_prefs::kMozcMultipleChoicePrefs[i].default_pref_value);
}
for (size_t i = 0; i < language_prefs::kNumMozcIntegerPrefs; ++i) {
prefs->RegisterIntegerPref(
language_prefs::kMozcIntegerPrefs[i].pref_name,
language_prefs::kMozcIntegerPrefs[i].default_pref_value);
}
prefs->RegisterIntegerPref(prefs::kLanguageXkbRemapSearchKeyTo,
input_method::kSearchKey);
prefs->RegisterIntegerPref(prefs::kLanguageXkbRemapControlKeyTo,
input_method::kLeftControlKey);
prefs->RegisterIntegerPref(prefs::kLanguageXkbRemapAltKeyTo,
input_method::kLeftAltKey);
prefs->RegisterBooleanPref(prefs::kLanguageXkbAutoRepeatEnabled, true);
prefs->RegisterIntegerPref(prefs::kLanguageXkbAutoRepeatDelay,
language_prefs::kXkbAutoRepeatDelayInMs);
prefs->RegisterIntegerPref(prefs::kLanguageXkbAutoRepeatInterval,
language_prefs::kXkbAutoRepeatIntervalInMs);
// Screen lock default to off.
prefs->RegisterBooleanPref(prefs::kEnableScreenLock, false);
// Mobile plan notifications default to on.
prefs->RegisterBooleanPref(prefs::kShowPlanNotifications, true);
// 3G first-time usage promo will be shown at least once.
prefs->RegisterBooleanPref(prefs::kShow3gPromoNotification, true);
// Carrier deal notification shown count defaults to 0.
prefs->RegisterIntegerPref(prefs::kCarrierDealPromoShown, 0);
// The map of timestamps of the last used file browser handlers.
prefs->RegisterDictionaryPref(prefs::kLastUsedFileBrowserHandlers);
}
void Preferences::Init(PrefService* prefs) {
tap_to_click_enabled_.Init(prefs::kTapToClickEnabled, prefs, this);
accessibility_enabled_.Init(prefs::kAccessibilityEnabled, prefs, this);
sensitivity_.Init(prefs::kTouchpadSensitivity, prefs, this);
use_24hour_clock_.Init(prefs::kUse24HourClock, prefs, this);
language_hotkey_next_engine_in_menu_.Init(
prefs::kLanguageHotkeyNextEngineInMenu, prefs, this);
language_hotkey_previous_engine_.Init(
prefs::kLanguageHotkeyPreviousEngine, prefs, this);
language_preferred_languages_.Init(prefs::kLanguagePreferredLanguages,
prefs, this);
language_preload_engines_.Init(prefs::kLanguagePreloadEngines, prefs, this);
for (size_t i = 0; i < language_prefs::kNumChewingBooleanPrefs; ++i) {
language_chewing_boolean_prefs_[i].Init(
language_prefs::kChewingBooleanPrefs[i].pref_name, prefs, this);
}
for (size_t i = 0; i < language_prefs::kNumChewingMultipleChoicePrefs; ++i) {
language_chewing_multiple_choice_prefs_[i].Init(
language_prefs::kChewingMultipleChoicePrefs[i].pref_name, prefs, this);
}
language_chewing_hsu_sel_key_type_.Init(
language_prefs::kChewingHsuSelKeyType.pref_name, prefs, this);
for (size_t i = 0; i < language_prefs::kNumChewingIntegerPrefs; ++i) {
language_chewing_integer_prefs_[i].Init(
language_prefs::kChewingIntegerPrefs[i].pref_name, prefs, this);
}
language_hangul_keyboard_.Init(prefs::kLanguageHangulKeyboard, prefs, this);
language_hangul_hanja_keys_.Init(
prefs::kLanguageHangulHanjaKeys, prefs, this);
for (size_t i = 0; i < language_prefs::kNumPinyinBooleanPrefs; ++i) {
language_pinyin_boolean_prefs_[i].Init(
language_prefs::kPinyinBooleanPrefs[i].pref_name, prefs, this);
}
for (size_t i = 0; i < language_prefs::kNumPinyinIntegerPrefs; ++i) {
language_pinyin_int_prefs_[i].Init(
language_prefs::kPinyinIntegerPrefs[i].pref_name, prefs, this);
}
language_pinyin_double_pinyin_schema_.Init(
language_prefs::kPinyinDoublePinyinSchema.pref_name, prefs, this);
for (size_t i = 0; i < language_prefs::kNumMozcBooleanPrefs; ++i) {
language_mozc_boolean_prefs_[i].Init(
language_prefs::kMozcBooleanPrefs[i].pref_name, prefs, this);
}
for (size_t i = 0; i < language_prefs::kNumMozcMultipleChoicePrefs; ++i) {
language_mozc_multiple_choice_prefs_[i].Init(
language_prefs::kMozcMultipleChoicePrefs[i].pref_name, prefs, this);
}
for (size_t i = 0; i < language_prefs::kNumMozcIntegerPrefs; ++i) {
language_mozc_integer_prefs_[i].Init(
language_prefs::kMozcIntegerPrefs[i].pref_name, prefs, this);
}
language_xkb_remap_search_key_to_.Init(
prefs::kLanguageXkbRemapSearchKeyTo, prefs, this);
language_xkb_remap_control_key_to_.Init(
prefs::kLanguageXkbRemapControlKeyTo, prefs, this);
language_xkb_remap_alt_key_to_.Init(
prefs::kLanguageXkbRemapAltKeyTo, prefs, this);
language_xkb_auto_repeat_enabled_.Init(
prefs::kLanguageXkbAutoRepeatEnabled, prefs, this);
language_xkb_auto_repeat_delay_pref_.Init(
prefs::kLanguageXkbAutoRepeatDelay, prefs, this);
language_xkb_auto_repeat_interval_pref_.Init(
prefs::kLanguageXkbAutoRepeatInterval, prefs, this);
enable_screen_lock_.Init(prefs::kEnableScreenLock, prefs, this);
// Initialize preferences to currently saved state.
NotifyPrefChanged(NULL);
// If a guest is logged in, initialize the prefs as if this is the first
// login.
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kGuestSession)) {
LoginUtils::Get()->SetFirstLoginPrefs(prefs);
}
}
void Preferences::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
if (type == NotificationType::PREF_CHANGED)
NotifyPrefChanged(Details<std::string>(details).ptr());
}
void Preferences::NotifyPrefChanged(const std::string* pref_name) {
if (!pref_name || *pref_name == prefs::kTapToClickEnabled) {
bool enabled = tap_to_click_enabled_.GetValue();
CrosLibrary::Get()->GetTouchpadLibrary()->SetTapToClick(enabled);
if (pref_name)
UMA_HISTOGRAM_BOOLEAN("Touchpad.TapToClick.Changed", enabled);
else
UMA_HISTOGRAM_BOOLEAN("Touchpad.TapToClick.Started", enabled);
}
if (!pref_name || *pref_name == prefs::kTouchpadSensitivity) {
int sensitivity = sensitivity_.GetValue();
CrosLibrary::Get()->GetTouchpadLibrary()->SetSensitivity(sensitivity);
if (pref_name) {
UMA_HISTOGRAM_CUSTOM_COUNTS(
"Touchpad.Sensitivity.Changed", sensitivity, 1, 5, 5);
} else {
UMA_HISTOGRAM_CUSTOM_COUNTS(
"Touchpad.Sensitivity.Started", sensitivity, 1, 5, 5);
}
}
// We don't handle prefs::kLanguageCurrentInputMethod and PreviousInputMethod
// here.
if (!pref_name || *pref_name == prefs::kLanguageHotkeyNextEngineInMenu) {
SetLanguageConfigStringListAsCSV(
language_prefs::kHotKeySectionName,
language_prefs::kNextEngineInMenuConfigName,
language_hotkey_next_engine_in_menu_.GetValue());
}
if (!pref_name || *pref_name == prefs::kLanguageHotkeyPreviousEngine) {
SetLanguageConfigStringListAsCSV(
language_prefs::kHotKeySectionName,
language_prefs::kPreviousEngineConfigName,
language_hotkey_previous_engine_.GetValue());
}
if (!pref_name || *pref_name == prefs::kLanguagePreferredLanguages) {
// Unlike kLanguagePreloadEngines and some other input method
// preferencs, we don't need to send this to ibus-daemon.
}
// Here, we set up the the modifier key mapping. This has to be done
// before changing the current keyboard layout, so that the modifier key
// preference is properly preserved. For this reason, we should do this
// before setting preload engines, that could change the current
// keyboard layout as needed.
if (!pref_name || (*pref_name == prefs::kLanguageXkbRemapSearchKeyTo ||
*pref_name == prefs::kLanguageXkbRemapControlKeyTo ||
*pref_name == prefs::kLanguageXkbRemapAltKeyTo)) {
UpdateModifierKeyMapping();
}
if (!pref_name || *pref_name == prefs::kLanguageXkbAutoRepeatEnabled) {
const bool enabled = language_xkb_auto_repeat_enabled_.GetValue();
input_method::SetAutoRepeatEnabled(enabled);
}
if (!pref_name || ((*pref_name == prefs::kLanguageXkbAutoRepeatDelay) ||
(*pref_name == prefs::kLanguageXkbAutoRepeatInterval))) {
UpdateAutoRepeatRate();
}
if (!pref_name || *pref_name == prefs::kLanguagePreloadEngines) {
SetLanguageConfigStringListAsCSV(language_prefs::kGeneralSectionName,
language_prefs::kPreloadEnginesConfigName,
language_preload_engines_.GetValue());
}
for (size_t i = 0; i < language_prefs::kNumChewingBooleanPrefs; ++i) {
if (!pref_name ||
*pref_name == language_prefs::kChewingBooleanPrefs[i].pref_name) {
SetLanguageConfigBoolean(
language_prefs::kChewingSectionName,
language_prefs::kChewingBooleanPrefs[i].ibus_config_name,
language_chewing_boolean_prefs_[i].GetValue());
}
}
for (size_t i = 0; i < language_prefs::kNumChewingMultipleChoicePrefs; ++i) {
if (!pref_name ||
*pref_name ==
language_prefs::kChewingMultipleChoicePrefs[i].pref_name) {
SetLanguageConfigString(
language_prefs::kChewingSectionName,
language_prefs::kChewingMultipleChoicePrefs[i].ibus_config_name,
language_chewing_multiple_choice_prefs_[i].GetValue());
}
}
if (!pref_name ||
*pref_name == language_prefs::kChewingHsuSelKeyType.pref_name) {
SetLanguageConfigInteger(
language_prefs::kChewingSectionName,
language_prefs::kChewingHsuSelKeyType.ibus_config_name,
language_chewing_hsu_sel_key_type_.GetValue());
}
for (size_t i = 0; i < language_prefs::kNumChewingIntegerPrefs; ++i) {
if (!pref_name ||
*pref_name == language_prefs::kChewingIntegerPrefs[i].pref_name) {
SetLanguageConfigInteger(
language_prefs::kChewingSectionName,
language_prefs::kChewingIntegerPrefs[i].ibus_config_name,
language_chewing_integer_prefs_[i].GetValue());
}
}
if (!pref_name ||
*pref_name == prefs::kLanguageHangulKeyboard) {
SetLanguageConfigString(language_prefs::kHangulSectionName,
language_prefs::kHangulKeyboardConfigName,
language_hangul_keyboard_.GetValue());
}
if (!pref_name || *pref_name == prefs::kLanguageHangulHanjaKeys) {
SetLanguageConfigString(language_prefs::kHangulSectionName,
language_prefs::kHangulHanjaKeysConfigName,
language_hangul_hanja_keys_.GetValue());
}
for (size_t i = 0; i < language_prefs::kNumPinyinBooleanPrefs; ++i) {
if (!pref_name ||
*pref_name == language_prefs::kPinyinBooleanPrefs[i].pref_name) {
SetLanguageConfigBoolean(
language_prefs::kPinyinSectionName,
language_prefs::kPinyinBooleanPrefs[i].ibus_config_name,
language_pinyin_boolean_prefs_[i].GetValue());
}
}
for (size_t i = 0; i < language_prefs::kNumPinyinIntegerPrefs; ++i) {
if (!pref_name ||
*pref_name == language_prefs::kPinyinIntegerPrefs[i].pref_name) {
SetLanguageConfigInteger(
language_prefs::kPinyinSectionName,
language_prefs::kPinyinIntegerPrefs[i].ibus_config_name,
language_pinyin_int_prefs_[i].GetValue());
}
}
if (!pref_name ||
*pref_name == language_prefs::kPinyinDoublePinyinSchema.pref_name) {
SetLanguageConfigInteger(
language_prefs::kPinyinSectionName,
language_prefs::kPinyinDoublePinyinSchema.ibus_config_name,
language_pinyin_double_pinyin_schema_.GetValue());
}
for (size_t i = 0; i < language_prefs::kNumMozcBooleanPrefs; ++i) {
if (!pref_name ||
*pref_name == language_prefs::kMozcBooleanPrefs[i].pref_name) {
SetLanguageConfigBoolean(
language_prefs::kMozcSectionName,
language_prefs::kMozcBooleanPrefs[i].ibus_config_name,
language_mozc_boolean_prefs_[i].GetValue());
}
}
for (size_t i = 0; i < language_prefs::kNumMozcMultipleChoicePrefs; ++i) {
if (!pref_name ||
*pref_name == language_prefs::kMozcMultipleChoicePrefs[i].pref_name) {
SetLanguageConfigString(
language_prefs::kMozcSectionName,
language_prefs::kMozcMultipleChoicePrefs[i].ibus_config_name,
language_mozc_multiple_choice_prefs_[i].GetValue());
}
}
for (size_t i = 0; i < language_prefs::kNumMozcIntegerPrefs; ++i) {
if (!pref_name ||
*pref_name == language_prefs::kMozcIntegerPrefs[i].pref_name) {
SetLanguageConfigInteger(
language_prefs::kMozcSectionName,
language_prefs::kMozcIntegerPrefs[i].ibus_config_name,
language_mozc_integer_prefs_[i].GetValue());
}
}
// Init or update power manager config.
if (!pref_name || *pref_name == prefs::kEnableScreenLock) {
CrosLibrary::Get()->GetPowerLibrary()->EnableScreenLock(
enable_screen_lock_.GetValue());
}
}
void Preferences::SetLanguageConfigBoolean(const char* section,
const char* name,
bool value) {
ImeConfigValue config;
config.type = ImeConfigValue::kValueTypeBool;
config.bool_value = value;
CrosLibrary::Get()->GetInputMethodLibrary()->
SetImeConfig(section, name, config);
}
void Preferences::SetLanguageConfigInteger(const char* section,
const char* name,
int value) {
ImeConfigValue config;
config.type = ImeConfigValue::kValueTypeInt;
config.int_value = value;
CrosLibrary::Get()->GetInputMethodLibrary()->
SetImeConfig(section, name, config);
}
void Preferences::SetLanguageConfigString(const char* section,
const char* name,
const std::string& value) {
ImeConfigValue config;
config.type = ImeConfigValue::kValueTypeString;
config.string_value = value;
CrosLibrary::Get()->GetInputMethodLibrary()->
SetImeConfig(section, name, config);
}
void Preferences::SetLanguageConfigStringList(
const char* section,
const char* name,
const std::vector<std::string>& values) {
ImeConfigValue config;
config.type = ImeConfigValue::kValueTypeStringList;
for (size_t i = 0; i < values.size(); ++i)
config.string_list_value.push_back(values[i]);
CrosLibrary::Get()->GetInputMethodLibrary()->
SetImeConfig(section, name, config);
}
void Preferences::SetLanguageConfigStringListAsCSV(const char* section,
const char* name,
const std::string& value) {
VLOG(1) << "Setting " << name << " to '" << value << "'";
std::vector<std::string> split_values;
if (!value.empty())
base::SplitString(value, ',', &split_values);
// We should call the cros API even when |value| is empty, to disable default
// config.
SetLanguageConfigStringList(section, name, split_values);
}
void Preferences::UpdateModifierKeyMapping() {
const int search_remap = language_xkb_remap_search_key_to_.GetValue();
const int control_remap = language_xkb_remap_control_key_to_.GetValue();
const int alt_remap = language_xkb_remap_alt_key_to_.GetValue();
if ((search_remap < input_method::kNumModifierKeys) && (search_remap >= 0) &&
(control_remap < input_method::kNumModifierKeys) &&
(control_remap >= 0) &&
(alt_remap < input_method::kNumModifierKeys) && (alt_remap >= 0)) {
input_method::ModifierMap modifier_map;
modifier_map.push_back(
input_method::ModifierKeyPair(
input_method::kSearchKey,
input_method::ModifierKey(search_remap)));
modifier_map.push_back(
input_method::ModifierKeyPair(
input_method::kLeftControlKey,
input_method::ModifierKey(control_remap)));
modifier_map.push_back(
input_method::ModifierKeyPair(
input_method::kLeftAltKey,
input_method::ModifierKey(alt_remap)));
input_method::RemapModifierKeys(modifier_map);
} else {
LOG(ERROR) << "Failed to remap modifier keys. Unexpected value(s): "
<< search_remap << ", " << control_remap << ", " << alt_remap;
}
}
void Preferences::UpdateAutoRepeatRate() {
input_method::AutoRepeatRate rate;
rate.initial_delay_in_ms = language_xkb_auto_repeat_delay_pref_.GetValue();
rate.repeat_interval_in_ms =
language_xkb_auto_repeat_interval_pref_.GetValue();
DCHECK(rate.initial_delay_in_ms > 0);
DCHECK(rate.repeat_interval_in_ms > 0);
input_method::SetAutoRepeatRate(rate);
}
} // namespace chromeos