diff options
Diffstat (limited to 'java/src/com/android/inputmethod/deprecated/languageswitcher')
| -rw-r--r-- | java/src/com/android/inputmethod/deprecated/languageswitcher/InputLanguageSelection.java | 255 | ||||
| -rw-r--r-- | java/src/com/android/inputmethod/deprecated/languageswitcher/LanguageSwitcher.java | 234 |
2 files changed, 0 insertions, 489 deletions
diff --git a/java/src/com/android/inputmethod/deprecated/languageswitcher/InputLanguageSelection.java b/java/src/com/android/inputmethod/deprecated/languageswitcher/InputLanguageSelection.java deleted file mode 100644 index 421ee6529..000000000 --- a/java/src/com/android/inputmethod/deprecated/languageswitcher/InputLanguageSelection.java +++ /dev/null @@ -1,255 +0,0 @@ -/* - * Copyright (C) 2008-2009 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 android.content.SharedPreferences; -import android.content.SharedPreferences.Editor; -import android.content.res.Resources; -import android.os.Bundle; -import android.preference.CheckBoxPreference; -import android.preference.PreferenceActivity; -import android.preference.PreferenceGroup; -import android.preference.PreferenceManager; -import android.text.TextUtils; -import android.util.Pair; - -import com.android.inputmethod.compat.SharedPreferencesCompat; -import com.android.inputmethod.keyboard.KeyboardSet; -import com.android.inputmethod.latin.DictionaryFactory; -import com.android.inputmethod.latin.LocaleUtils; -import com.android.inputmethod.latin.R; -import com.android.inputmethod.latin.Settings; -import com.android.inputmethod.latin.StringUtils; - -import org.xmlpull.v1.XmlPullParserException; - -import java.io.IOException; -import java.text.Collator; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.HashMap; -import java.util.Locale; -import java.util.Map.Entry; -import java.util.TreeMap; - -public class InputLanguageSelection extends PreferenceActivity { - - private SharedPreferences mPrefs; - private String mSelectedLanguages; - private HashMap<CheckBoxPreference, Locale> mLocaleMap = - new HashMap<CheckBoxPreference, Locale>(); - - private static class LocaleEntry implements Comparable<Object> { - private static Collator sCollator = Collator.getInstance(); - - private String mLabel; - public final Locale mLocale; - - public LocaleEntry(String label, Locale locale) { - this.mLabel = label; - this.mLocale = locale; - } - - @Override - public String toString() { - return this.mLabel; - } - - @Override - public int compareTo(Object o) { - return sCollator.compare(this.mLabel, ((LocaleEntry) o).mLabel); - } - } - - @Override - protected void onCreate(Bundle icicle) { - super.onCreate(icicle); - addPreferencesFromResource(R.xml.language_prefs); - // Get the settings preferences - mPrefs = PreferenceManager.getDefaultSharedPreferences(this); - mSelectedLanguages = mPrefs.getString(Settings.PREF_SELECTED_LANGUAGES, ""); - String[] languageList = mSelectedLanguages.split(","); - ArrayList<LocaleEntry> availableLanguages = getUniqueLocales(); - PreferenceGroup parent = getPreferenceScreen(); - final HashMap<Long, LocaleEntry> dictionaryIdLocaleMap = new HashMap<Long, LocaleEntry>(); - final TreeMap<LocaleEntry, Boolean> localeHasDictionaryMap = - new TreeMap<LocaleEntry, Boolean>(); - for (int i = 0; i < availableLanguages.size(); i++) { - LocaleEntry loc = availableLanguages.get(i); - Locale locale = loc.mLocale; - final Pair<Long, Boolean> hasDictionaryOrLayout = hasDictionaryOrLayout(locale); - final Long dictionaryId = hasDictionaryOrLayout.first; - final boolean hasLayout = hasDictionaryOrLayout.second; - final boolean hasDictionary = dictionaryId != null; - // Add this locale to the supported list if: - // 1) this locale has a layout/ 2) this locale has a dictionary - // If some locales have no layout but have a same dictionary, the shortest locale - // will be added to the supported list. - if (!hasLayout && !hasDictionary) { - continue; - } - if (hasLayout) { - localeHasDictionaryMap.put(loc, hasDictionary); - } - if (!hasDictionary) { - continue; - } - if (dictionaryIdLocaleMap.containsKey(dictionaryId)) { - final String newLocale = locale.toString(); - final String oldLocale = - dictionaryIdLocaleMap.get(dictionaryId).mLocale.toString(); - // Check if this locale is more appropriate to be the candidate of the input locale. - if (oldLocale.length() <= newLocale.length() && !hasLayout) { - // Don't add this new locale to the map<dictionary id, locale> if: - // 1) the new locale's name is longer than the existing one, and - // 2) the new locale doesn't have its layout - continue; - } - } - dictionaryIdLocaleMap.put(dictionaryId, loc); - } - - for (LocaleEntry localeEntry : dictionaryIdLocaleMap.values()) { - if (!localeHasDictionaryMap.containsKey(localeEntry)) { - localeHasDictionaryMap.put(localeEntry, true); - } - } - - for (Entry<LocaleEntry, Boolean> entry : localeHasDictionaryMap.entrySet()) { - final LocaleEntry localeEntry = entry.getKey(); - final Locale locale = localeEntry.mLocale; - final Boolean hasDictionary = entry.getValue(); - CheckBoxPreference pref = new CheckBoxPreference(this); - pref.setTitle(localeEntry.mLabel); - boolean checked = isLocaleIn(locale, languageList); - pref.setChecked(checked); - if (hasDictionary) { - pref.setSummary(R.string.has_dictionary); - } - mLocaleMap.put(pref, locale); - parent.addPreference(pref); - } - } - - private boolean isLocaleIn(Locale locale, String[] list) { - String lang = get5Code(locale); - for (int i = 0; i < list.length; i++) { - if (lang.equalsIgnoreCase(list[i])) return true; - } - return false; - } - - private Pair<Long, Boolean> hasDictionaryOrLayout(Locale locale) { - if (locale == null) return new Pair<Long, Boolean>(null, false); - final Resources res = getResources(); - final Locale saveLocale = LocaleUtils.setSystemLocale(res, locale); - final Long dictionaryId = DictionaryFactory.getDictionaryId(this, locale); - boolean hasLayout = false; - - try { - final String localeStr = locale.toString(); - final String[] layoutCountryCodes = KeyboardSet.parseKeyboardLocale( - getResources(), R.xml.keyboard_set).split(",", -1); - if (!TextUtils.isEmpty(localeStr) && layoutCountryCodes.length > 0) { - for (String s : layoutCountryCodes) { - if (s.equals(localeStr)) { - hasLayout = true; - break; - } - } - } - } catch (XmlPullParserException e) { - } catch (IOException e) { - } - LocaleUtils.setSystemLocale(res, saveLocale); - return new Pair<Long, Boolean>(dictionaryId, hasLayout); - } - - private String get5Code(Locale locale) { - String country = locale.getCountry(); - return locale.getLanguage() - + (TextUtils.isEmpty(country) ? "" : "_" + country); - } - - @Override - protected void onResume() { - super.onResume(); - } - - @Override - protected void onPause() { - super.onPause(); - // Save the selected languages - String checkedLanguages = ""; - PreferenceGroup parent = getPreferenceScreen(); - int count = parent.getPreferenceCount(); - for (int i = 0; i < count; i++) { - CheckBoxPreference pref = (CheckBoxPreference) parent.getPreference(i); - if (pref.isChecked()) { - checkedLanguages += get5Code(mLocaleMap.get(pref)) + ","; - } - } - if (checkedLanguages.length() < 1) checkedLanguages = null; // Save null - Editor editor = mPrefs.edit(); - editor.putString(Settings.PREF_SELECTED_LANGUAGES, checkedLanguages); - SharedPreferencesCompat.apply(editor); - } - - public ArrayList<LocaleEntry> getUniqueLocales() { - String[] locales = getAssets().getLocales(); - Arrays.sort(locales); - ArrayList<LocaleEntry> uniqueLocales = new ArrayList<LocaleEntry>(); - - final int origSize = locales.length; - LocaleEntry[] preprocess = new LocaleEntry[origSize]; - int finalSize = 0; - for (int i = 0 ; i < origSize; i++ ) { - String s = locales[i]; - int len = s.length(); - String language = ""; - String country = ""; - if (len == 5) { - language = s.substring(0, 2); - country = s.substring(3, 5); - } else if (len < 5) { - language = s; - } - Locale l = new Locale(language, country); - - // Exclude languages that are not relevant to LatinIME - if (TextUtils.isEmpty(language)) { - continue; - } - - if (finalSize == 0) { - preprocess[finalSize++] = - new LocaleEntry(StringUtils.getFullDisplayName(l, false), l); - } else { - if (s.equals("zz_ZZ")) { - // ignore this locale - } else { - final String displayName = StringUtils.getFullDisplayName(l, false); - preprocess[finalSize++] = new LocaleEntry(displayName, l); - } - } - } - for (int i = 0; i < finalSize ; i++) { - uniqueLocales.add(preprocess[i]); - } - return uniqueLocales; - } -} 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); - } -} |