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Diffstat (limited to 'java/src/com/android/inputmethod/latin/LanguageSwitcher.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/LanguageSwitcher.java | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/java/src/com/android/inputmethod/latin/LanguageSwitcher.java b/java/src/com/android/inputmethod/latin/LanguageSwitcher.java deleted file mode 100644 index 226b4c690..000000000 --- a/java/src/com/android/inputmethod/latin/LanguageSwitcher.java +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright (C) 2010 Google Inc. - * - * 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; - -import android.content.SharedPreferences; -import android.content.SharedPreferences.Editor; -import android.preference.PreferenceManager; -import android.text.TextUtils; - -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 Locale[] mLocales; - private LatinIME mIme; - private String[] mSelectedLanguageArray; - private String mSelectedLanguages; - private int mCurrentIndex = 0; - private String mDefaultInputLanguage; - private Locale mDefaultInputLocale; - private Locale mSystemLocale; - - public LanguageSwitcher(LatinIME ime) { - mIme = ime; - mLocales = new Locale[0]; - } - - public Locale[] getLocales() { - return mLocales; - } - - public int getLocaleCount() { - return mLocales.length; - } - - /** - * Loads the currently selected input languages from shared preferences. - * @param sp - * @return whether there was any change - */ - public boolean loadLocales(SharedPreferences sp) { - String selectedLanguages = sp.getString(LatinIME.PREF_SELECTED_LANGUAGES, null); - String currentLanguage = sp.getString(LatinIME.PREF_INPUT_LANGUAGE, null); - if (selectedLanguages == null || selectedLanguages.length() < 1) { - loadDefaults(); - if (mLocales.length == 0) { - return false; - } - mLocales = new Locale[0]; - 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.length; 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() { - mDefaultInputLocale = mIme.getResources().getConfiguration().locale; - String country = mDefaultInputLocale.getCountry(); - mDefaultInputLanguage = mDefaultInputLocale.getLanguage() + - (TextUtils.isEmpty(country) ? "" : "_" + country); - } - - private void constructLocales() { - mLocales = new Locale[mSelectedLanguageArray.length]; - for (int i = 0; i < mLocales.length; i++) { - final String lang = mSelectedLanguageArray[i]; - mLocales[i] = new Locale(lang.substring(0, 2), - lang.length() > 4 ? lang.substring(3, 5) : ""); - } - } - - /** - * 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() { - return mSelectedLanguageArray; - } - - /** - * Returns the currently selected input locale, or the display locale if no specific - * locale was selected for input. - * @return - */ - public Locale getInputLocale() { - if (getLocaleCount() == 0) return mDefaultInputLocale; - - return mLocales[mCurrentIndex]; - } - - /** - * 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. - * @return - */ - public Locale getNextInputLocale() { - if (getLocaleCount() == 0) return mDefaultInputLocale; - - return mLocales[(mCurrentIndex + 1) % mLocales.length]; - } - - /** - * Sets the system locale (display UI) used for comparing with the input language. - * @param locale the locale of the system - */ - public void setSystemLocale(Locale locale) { - mSystemLocale = locale; - } - - /** - * Returns the system locale. - * @return the system locale - */ - public 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. - * @return - */ - public Locale getPrevInputLocale() { - if (getLocaleCount() == 0) return mDefaultInputLocale; - - return mLocales[(mCurrentIndex - 1 + mLocales.length) % mLocales.length]; - } - - public void reset() { - mCurrentIndex = 0; - } - - public void next() { - mCurrentIndex++; - if (mCurrentIndex >= mLocales.length) mCurrentIndex = 0; // Wrap around - } - - public void prev() { - mCurrentIndex--; - if (mCurrentIndex < 0) mCurrentIndex = mLocales.length - 1; // Wrap around - } - - public void persist() { - SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mIme); - Editor editor = sp.edit(); - editor.putString(LatinIME.PREF_INPUT_LANGUAGE, getInputLanguage()); - SharedPreferencesCompat.apply(editor); - } - - static String toTitleCase(String s, Locale locale) { - if (s.length() == 0) { - return s; - } - - return s.toUpperCase(locale).charAt(0) + s.substring(1); - } -} |