LatinIME/java/src/com/android/inputmethod/latin/settings/Settings.java

346 lines
15 KiB
Java

/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.latin.settings;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.res.Resources;
import android.preference.PreferenceManager;
import android.util.Log;
import com.android.inputmethod.latin.AudioAndHapticFeedbackManager;
import com.android.inputmethod.latin.InputAttributes;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.utils.AdditionalSubtypeUtils;
import com.android.inputmethod.latin.utils.DebugLogUtils;
import com.android.inputmethod.latin.utils.LocaleUtils;
import com.android.inputmethod.latin.utils.ResourceUtils;
import com.android.inputmethod.latin.utils.RunInLocale;
import java.util.HashMap;
import java.util.Locale;
import java.util.concurrent.locks.ReentrantLock;
public final class Settings implements SharedPreferences.OnSharedPreferenceChangeListener {
private static final String TAG = Settings.class.getSimpleName();
// In the same order as xml/prefs.xml
public static final String PREF_GENERAL_SETTINGS = "general_settings";
public static final String PREF_AUTO_CAP = "auto_cap";
public static final String PREF_VIBRATE_ON = "vibrate_on";
public static final String PREF_SOUND_ON = "sound_on";
public static final String PREF_POPUP_ON = "popup_on";
public static final String PREF_VOICE_MODE = "voice_mode";
public static final String PREF_CORRECTION_SETTINGS = "correction_settings";
public static final String PREF_EDIT_PERSONAL_DICTIONARY = "edit_personal_dictionary";
public static final String PREF_CONFIGURE_DICTIONARIES_KEY = "configure_dictionaries_key";
public static final String PREF_AUTO_CORRECTION_THRESHOLD = "auto_correction_threshold";
public static final String PREF_SHOW_SUGGESTIONS_SETTING = "show_suggestions_setting";
public static final String PREF_MISC_SETTINGS = "misc_settings";
public static final String PREF_LAST_USER_DICTIONARY_WRITE_TIME =
"last_user_dictionary_write_time";
public static final String PREF_ADVANCED_SETTINGS = "pref_advanced_settings";
public static final String PREF_KEY_USE_CONTACTS_DICT = "pref_key_use_contacts_dict";
public static final String PREF_KEY_USE_DOUBLE_SPACE_PERIOD =
"pref_key_use_double_space_period";
public static final String PREF_BLOCK_POTENTIALLY_OFFENSIVE =
"pref_key_block_potentially_offensive";
public static final String PREF_SHOW_LANGUAGE_SWITCH_KEY =
"pref_show_language_switch_key";
public static final String PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST =
"pref_include_other_imes_in_language_switch_list";
public static final String PREF_CUSTOM_INPUT_STYLES = "custom_input_styles";
public static final String PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY =
"pref_key_preview_popup_dismiss_delay";
public static final String PREF_BIGRAM_PREDICTIONS = "next_word_prediction";
public static final String PREF_GESTURE_SETTINGS = "gesture_typing_settings";
public static final String PREF_GESTURE_INPUT = "gesture_input";
public static final String PREF_SLIDING_KEY_INPUT_PREVIEW = "pref_sliding_key_input_preview";
public static final String PREF_KEY_LONGPRESS_TIMEOUT = "pref_key_longpress_timeout";
public static final String PREF_VIBRATION_DURATION_SETTINGS =
"pref_vibration_duration_settings";
public static final String PREF_KEYPRESS_SOUND_VOLUME =
"pref_keypress_sound_volume";
public static final String PREF_GESTURE_PREVIEW_TRAIL = "pref_gesture_preview_trail";
public static final String PREF_GESTURE_FLOATING_PREVIEW_TEXT =
"pref_gesture_floating_preview_text";
public static final String PREF_SHOW_SETUP_WIZARD_ICON = "pref_show_setup_wizard_icon";
public static final String PREF_INPUT_LANGUAGE = "input_language";
public static final String PREF_SELECTED_LANGUAGES = "selected_languages";
public static final String PREF_DEBUG_SETTINGS = "debug_settings";
public static final String PREF_KEY_IS_INTERNAL = "pref_key_is_internal";
// This preference key is deprecated. Use {@link #PREF_SHOW_LANGUAGE_SWITCH_KEY} instead.
// This is being used only for the backward compatibility.
private static final String PREF_SUPPRESS_LANGUAGE_SWITCH_KEY =
"pref_suppress_language_switch_key";
public static final String PREF_SEND_FEEDBACK = "send_feedback";
public static final String PREF_ABOUT_KEYBOARD = "about_keyboard";
private Resources mRes;
private SharedPreferences mPrefs;
private SettingsValues mSettingsValues;
private final ReentrantLock mSettingsValuesLock = new ReentrantLock();
private static final Settings sInstance = new Settings();
public static Settings getInstance() {
return sInstance;
}
public static void init(final Context context) {
sInstance.onCreate(context);
}
private Settings() {
// Intentional empty constructor for singleton.
}
private void onCreate(final Context context) {
mRes = context.getResources();
mPrefs = PreferenceManager.getDefaultSharedPreferences(context);
mPrefs.registerOnSharedPreferenceChangeListener(this);
}
public void onDestroy() {
mPrefs.unregisterOnSharedPreferenceChangeListener(this);
}
@Override
public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {
mSettingsValuesLock.lock();
try {
if (mSettingsValues == null) {
// TODO: Introduce a static function to register this class and ensure that
// loadSettings must be called before "onSharedPreferenceChanged" is called.
Log.w(TAG, "onSharedPreferenceChanged called before loadSettings.");
return;
}
loadSettings(mSettingsValues.mLocale, mSettingsValues.mInputAttributes);
} finally {
mSettingsValuesLock.unlock();
}
}
public void loadSettings(final Locale locale, final InputAttributes inputAttributes) {
mSettingsValuesLock.lock();
try {
final SharedPreferences prefs = mPrefs;
final RunInLocale<SettingsValues> job = new RunInLocale<SettingsValues>() {
@Override
protected SettingsValues job(final Resources res) {
return new SettingsValues(prefs, locale, res, inputAttributes);
}
};
mSettingsValues = job.runInLocale(mRes, locale);
} finally {
mSettingsValuesLock.unlock();
}
}
// TODO: Remove this method and add proxy method to SettingsValues.
public SettingsValues getCurrent() {
return mSettingsValues;
}
public boolean isInternal() {
return mSettingsValues.mIsInternal;
}
public String getWordSeparators() {
return mSettingsValues.mWordSeparators;
}
public boolean isWordSeparator(final int code) {
return mSettingsValues.isWordSeparator(code);
}
public boolean getBlockPotentiallyOffensive() {
return mSettingsValues.mBlockPotentiallyOffensive;
}
// Accessed from the settings interface, hence public
public static boolean readKeypressSoundEnabled(final SharedPreferences prefs,
final Resources res) {
return prefs.getBoolean(Settings.PREF_SOUND_ON,
res.getBoolean(R.bool.config_default_sound_enabled));
}
public static boolean readVibrationEnabled(final SharedPreferences prefs,
final Resources res) {
final boolean hasVibrator = AudioAndHapticFeedbackManager.getInstance().hasVibrator();
return hasVibrator && prefs.getBoolean(PREF_VIBRATE_ON,
res.getBoolean(R.bool.config_default_vibration_enabled));
}
public static boolean readAutoCorrectEnabled(final String currentAutoCorrectionSetting,
final Resources res) {
final String autoCorrectionOff = res.getString(
R.string.auto_correction_threshold_mode_index_off);
return !currentAutoCorrectionSetting.equals(autoCorrectionOff);
}
public static boolean readBlockPotentiallyOffensive(final SharedPreferences prefs,
final Resources res) {
return prefs.getBoolean(Settings.PREF_BLOCK_POTENTIALLY_OFFENSIVE,
res.getBoolean(R.bool.config_block_potentially_offensive));
}
public static boolean readFromBuildConfigIfGestureInputEnabled(final Resources res) {
return res.getBoolean(R.bool.config_gesture_input_enabled_by_build_config);
}
public static boolean readGestureInputEnabled(final SharedPreferences prefs,
final Resources res) {
return readFromBuildConfigIfGestureInputEnabled(res)
&& prefs.getBoolean(Settings.PREF_GESTURE_INPUT, true);
}
public static boolean readFromBuildConfigIfToShowKeyPreviewPopupSettingsOption(
final Resources res) {
return res.getBoolean(R.bool.config_enable_show_option_of_key_preview_popup);
}
public static boolean readKeyPreviewPopupEnabled(final SharedPreferences prefs,
final Resources res) {
final boolean defaultKeyPreviewPopup = res.getBoolean(
R.bool.config_default_key_preview_popup);
if (!readFromBuildConfigIfToShowKeyPreviewPopupSettingsOption(res)) {
return defaultKeyPreviewPopup;
}
return prefs.getBoolean(PREF_POPUP_ON, defaultKeyPreviewPopup);
}
public static int readKeyPreviewPopupDismissDelay(final SharedPreferences prefs,
final Resources res) {
return Integer.parseInt(prefs.getString(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY,
Integer.toString(res.getInteger(
R.integer.config_key_preview_linger_timeout))));
}
public static boolean readShowsLanguageSwitchKey(final SharedPreferences prefs) {
if (prefs.contains(PREF_SUPPRESS_LANGUAGE_SWITCH_KEY)) {
final boolean suppressLanguageSwitchKey = prefs.getBoolean(
PREF_SUPPRESS_LANGUAGE_SWITCH_KEY, false);
final SharedPreferences.Editor editor = prefs.edit();
editor.remove(PREF_SUPPRESS_LANGUAGE_SWITCH_KEY);
editor.putBoolean(PREF_SHOW_LANGUAGE_SWITCH_KEY, !suppressLanguageSwitchKey);
editor.apply();
}
return prefs.getBoolean(PREF_SHOW_LANGUAGE_SWITCH_KEY, true);
}
public static String readPrefAdditionalSubtypes(final SharedPreferences prefs,
final Resources res) {
final String predefinedPrefSubtypes = AdditionalSubtypeUtils.createPrefSubtypes(
res.getStringArray(R.array.predefined_subtypes));
return prefs.getString(PREF_CUSTOM_INPUT_STYLES, predefinedPrefSubtypes);
}
public static void writePrefAdditionalSubtypes(final SharedPreferences prefs,
final String prefSubtypes) {
prefs.edit().putString(Settings.PREF_CUSTOM_INPUT_STYLES, prefSubtypes).apply();
}
public static float readKeypressSoundVolume(final SharedPreferences prefs,
final Resources res) {
final float volume = prefs.getFloat(PREF_KEYPRESS_SOUND_VOLUME, -1.0f);
return (volume >= 0) ? volume : readDefaultKeypressSoundVolume(res);
}
public static float readDefaultKeypressSoundVolume(final Resources res) {
return Float.parseFloat(
ResourceUtils.getDeviceOverrideValue(res, R.array.keypress_volumes));
}
public static int readKeyLongpressTimeout(final SharedPreferences prefs,
final Resources res) {
final int ms = prefs.getInt(PREF_KEY_LONGPRESS_TIMEOUT, -1);
return (ms >= 0) ? ms : readDefaultKeyLongpressTimeout(res);
}
public static int readDefaultKeyLongpressTimeout(final Resources res) {
return res.getInteger(R.integer.config_default_longpress_key_timeout);
}
public static int readKeypressVibrationDuration(final SharedPreferences prefs,
final Resources res) {
final int ms = prefs.getInt(PREF_VIBRATION_DURATION_SETTINGS, -1);
return (ms >= 0) ? ms : readDefaultKeypressVibrationDuration(res);
}
public static int readDefaultKeypressVibrationDuration(final Resources res) {
return Integer.parseInt(
ResourceUtils.getDeviceOverrideValue(res, R.array.keypress_vibration_durations));
}
public static boolean readUsabilityStudyMode(final SharedPreferences prefs) {
return prefs.getBoolean(DebugSettings.PREF_USABILITY_STUDY_MODE, true);
}
public static long readLastUserHistoryWriteTime(final SharedPreferences prefs,
final String locale) {
final String str = prefs.getString(PREF_LAST_USER_DICTIONARY_WRITE_TIME, "");
final HashMap<String, Long> map = LocaleUtils.localeAndTimeStrToHashMap(str);
if (map.containsKey(locale)) {
return map.get(locale);
}
return 0;
}
public static void writeLastUserHistoryWriteTime(final SharedPreferences prefs,
final String locale) {
final String oldStr = prefs.getString(PREF_LAST_USER_DICTIONARY_WRITE_TIME, "");
final HashMap<String, Long> map = LocaleUtils.localeAndTimeStrToHashMap(oldStr);
map.put(locale, System.currentTimeMillis());
final String newStr = LocaleUtils.localeAndTimeHashMapToStr(map);
prefs.edit().putString(PREF_LAST_USER_DICTIONARY_WRITE_TIME, newStr).apply();
}
public static boolean readUseFullscreenMode(final Resources res) {
return res.getBoolean(R.bool.config_use_fullscreen_mode);
}
public static boolean readShowSetupWizardIcon(final SharedPreferences prefs,
final Context context) {
final boolean enableSetupWizardByConfig = context.getResources().getBoolean(
R.bool.config_setup_wizard_available);
if (!enableSetupWizardByConfig) {
return false;
}
if (!prefs.contains(Settings.PREF_SHOW_SETUP_WIZARD_ICON)) {
final ApplicationInfo appInfo = context.getApplicationInfo();
final boolean isApplicationInSystemImage =
(appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
// Default value
return !isApplicationInSystemImage;
}
return prefs.getBoolean(Settings.PREF_SHOW_SETUP_WIZARD_ICON, false);
}
public static boolean isInternal(final SharedPreferences prefs) {
return prefs.getBoolean(Settings.PREF_KEY_IS_INTERNAL, false);
}
public static boolean readUseOnlyPersonalizationDictionaryForDebug(
final SharedPreferences prefs) {
return prefs.getBoolean(
DebugSettings.PREF_USE_ONLY_PERSONALIZATION_DICTIONARY_FOR_DEBUG, false);
}
}