diff options
Diffstat (limited to 'java/src/com/android/inputmethod/deprecated/languageswitcher/LanguageSwitcher.java')
-rw-r--r-- | java/src/com/android/inputmethod/deprecated/languageswitcher/LanguageSwitcher.java | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/java/src/com/android/inputmethod/deprecated/languageswitcher/LanguageSwitcher.java b/java/src/com/android/inputmethod/deprecated/languageswitcher/LanguageSwitcher.java deleted file mode 100644 index 7e2627c81..000000000 --- a/java/src/com/android/inputmethod/deprecated/languageswitcher/LanguageSwitcher.java +++ /dev/null @@ -1,234 +0,0 @@ -/* - * Copyright (C) 2010 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.deprecated.languageswitcher; - -import com.android.inputmethod.compat.SharedPreferencesCompat; -import com.android.inputmethod.latin.LatinIME; -import com.android.inputmethod.latin.LatinImeLogger; -import com.android.inputmethod.latin.LocaleUtils; -import com.android.inputmethod.latin.Settings; - -import android.content.SharedPreferences; -import android.content.SharedPreferences.Editor; -import android.content.res.Configuration; -import android.text.TextUtils; -import android.util.Log; - -import java.util.ArrayList; -import java.util.Locale; - -/** - * Keeps track of list of selected input languages and the current - * input language that the user has selected. - */ -public class LanguageSwitcher { - private static final String TAG = LanguageSwitcher.class.getSimpleName(); - - @SuppressWarnings("unused") - private static final String KEYBOARD_MODE = "keyboard"; - private static final String[] EMPTY_STIRNG_ARRAY = new String[0]; - - private final ArrayList<Locale> mLocales = new ArrayList<Locale>(); - private final LatinIME mIme; - private String[] mSelectedLanguageArray = EMPTY_STIRNG_ARRAY; - private String mSelectedLanguages; - private int mCurrentIndex = 0; - private String mDefaultInputLanguage; - private Locale mDefaultInputLocale; - private Locale mSystemLocale; - - public LanguageSwitcher(LatinIME ime) { - mIme = ime; - } - - public int getLocaleCount() { - return mLocales.size(); - } - - public void onConfigurationChanged(Configuration conf, SharedPreferences prefs) { - final Locale newLocale = conf.locale; - if (!getSystemLocale().toString().equals(newLocale.toString())) { - loadLocales(prefs, newLocale); - } - } - - /** - * Loads the currently selected input languages from shared preferences. - * @param sp shared preference for getting the current input language and enabled languages - * @param systemLocale the current system locale, stored for changing the current input language - * based on the system current system locale. - * @return whether there was any change - */ - public boolean loadLocales(SharedPreferences sp, Locale systemLocale) { - if (LatinImeLogger.sDBG) { - Log.d(TAG, "load locales"); - } - if (systemLocale != null) { - setSystemLocale(systemLocale); - } - String selectedLanguages = sp.getString(Settings.PREF_SELECTED_LANGUAGES, null); - String currentLanguage = sp.getString(Settings.PREF_INPUT_LANGUAGE, null); - if (TextUtils.isEmpty(selectedLanguages)) { - mSelectedLanguageArray = EMPTY_STIRNG_ARRAY; - mSelectedLanguages = null; - loadDefaults(); - if (mLocales.size() == 0) { - return false; - } - mLocales.clear(); - return true; - } - if (selectedLanguages.equals(mSelectedLanguages)) { - return false; - } - mSelectedLanguageArray = selectedLanguages.split(","); - mSelectedLanguages = selectedLanguages; // Cache it for comparison later - constructLocales(); - mCurrentIndex = 0; - if (currentLanguage != null) { - // Find the index - mCurrentIndex = 0; - for (int i = 0; i < mLocales.size(); i++) { - if (mSelectedLanguageArray[i].equals(currentLanguage)) { - mCurrentIndex = i; - break; - } - } - // If we didn't find the index, use the first one - } - return true; - } - - private void loadDefaults() { - if (LatinImeLogger.sDBG) { - Log.d(TAG, "load default locales:"); - } - mDefaultInputLocale = mIme.getResources().getConfiguration().locale; - String country = mDefaultInputLocale.getCountry(); - mDefaultInputLanguage = mDefaultInputLocale.getLanguage() + - (TextUtils.isEmpty(country) ? "" : "_" + country); - } - - private void constructLocales() { - mLocales.clear(); - for (final String lang : mSelectedLanguageArray) { - final Locale locale = LocaleUtils.constructLocaleFromString(lang); - mLocales.add(locale); - } - } - - /** - * Returns the currently selected input language code, or the display language code if - * no specific locale was selected for input. - */ - public String getInputLanguage() { - if (getLocaleCount() == 0) return mDefaultInputLanguage; - - return mSelectedLanguageArray[mCurrentIndex]; - } - - /** - * Returns the list of enabled language codes. - */ - public String[] getEnabledLanguages(boolean allowImplicitlySelectedLanguages) { - if (mSelectedLanguageArray.length == 0 && allowImplicitlySelectedLanguages) { - return new String[] { mDefaultInputLanguage }; - } - return mSelectedLanguageArray; - } - - /** - * Returns the currently selected input locale, or the display locale if no specific - * locale was selected for input. - */ - public Locale getInputLocale() { - if (getLocaleCount() == 0) return mDefaultInputLocale; - - return mLocales.get(mCurrentIndex); - } - - private int nextLocaleIndex() { - final int size = mLocales.size(); - return (mCurrentIndex + 1) % size; - } - - private int prevLocaleIndex() { - final int size = mLocales.size(); - return (mCurrentIndex - 1 + size) % size; - } - - /** - * Returns the next input locale in the list. Wraps around to the beginning of the - * list if we're at the end of the list. - */ - public Locale getNextInputLocale() { - if (getLocaleCount() == 0) return mDefaultInputLocale; - return mLocales.get(nextLocaleIndex()); - } - - /** - * Sets the system locale (display UI) used for comparing with the input language. - * @param locale the locale of the system - */ - private void setSystemLocale(Locale locale) { - mSystemLocale = locale; - } - - /** - * Returns the system locale. - * @return the system locale - */ - private Locale getSystemLocale() { - return mSystemLocale; - } - - /** - * Returns the previous input locale in the list. Wraps around to the end of the - * list if we're at the beginning of the list. - */ - public Locale getPrevInputLocale() { - if (getLocaleCount() == 0) return mDefaultInputLocale; - return mLocales.get(prevLocaleIndex()); - } - - public void reset() { - mCurrentIndex = 0; - } - - public void next() { - mCurrentIndex = nextLocaleIndex(); - } - - public void prev() { - mCurrentIndex = prevLocaleIndex(); - } - - public void setLocale(String localeStr) { - final int N = mLocales.size(); - for (int i = 0; i < N; ++i) { - if (mLocales.get(i).toString().equals(localeStr)) { - mCurrentIndex = i; - } - } - } - - public void persist(SharedPreferences prefs) { - Editor editor = prefs.edit(); - editor.putString(Settings.PREF_INPUT_LANGUAGE, getInputLanguage()); - SharedPreferencesCompat.apply(editor); - } -} |