Support language bar swich for InputMethodSubtype

Change-Id: Ie49f0c1c7aea135331dc1d4a635197b3f4a96e93

1 files changed, 0 insertions, 193 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 6faf7f95e..000000000
--- a/java/src/com/android/inputmethod/latin/LanguageSwitcher.java
+++ /dev/null
@@ -1,193 +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.text.TextUtils;
-
-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 final ArrayList<Locale> mLocales = new ArrayList<Locale>();
-    private final 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;
-    }
-
-    public int getLocaleCount() {
-        return mLocales.size();
-    }
-
-    /**
-     * 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(Settings.PREF_SELECTED_LANGUAGES, null);
-        String currentLanguage   = sp.getString(Settings.PREF_INPUT_LANGUAGE, null);
-        if (selectedLanguages == null || selectedLanguages.length() < 1) {
-            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() {
-        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 = new Locale(lang.substring(0, 2),
-                    lang.length() > 4 ? lang.substring(3, 5) : "");
-            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() {
-        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.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.
-     * @return
-     */
-    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
-     */
-    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.get(prevLocaleIndex());
-    }
-
-    public void reset() {
-        mCurrentIndex = 0;
-    }
-
-    public void next() {
-        mCurrentIndex = nextLocaleIndex();
-    }
-
-    public void prev() {
-        mCurrentIndex = prevLocaleIndex();
-    }
-
-    public void persist(SharedPreferences prefs) {
-        Editor editor = prefs.edit();
-        editor.putString(Settings.PREF_INPUT_LANGUAGE, getInputLanguage());
-        SharedPreferencesCompat.apply(editor);
-    }
-}