166 lines
6.4 KiB
Java
166 lines
6.4 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin.userdictionary;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.os.Bundle;
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import android.preference.Preference;
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import android.preference.PreferenceFragment;
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import android.preference.PreferenceGroup;
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import android.provider.UserDictionary;
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import android.text.TextUtils;
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import android.view.inputmethod.InputMethodInfo;
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import android.view.inputmethod.InputMethodManager;
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import android.view.inputmethod.InputMethodSubtype;
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import com.android.inputmethod.latin.R;
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import com.android.inputmethod.latin.common.LocaleUtils;
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import java.util.List;
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import java.util.Locale;
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import java.util.TreeSet;
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import javax.annotation.Nullable;
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// Caveat: This class is basically taken from
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// packages/apps/Settings/src/com/android/settings/inputmethod/UserDictionaryList.java
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// in order to deal with some devices that have issues with the user dictionary handling
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public class UserDictionaryList extends PreferenceFragment {
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public static final String USER_DICTIONARY_SETTINGS_INTENT_ACTION =
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"android.settings.USER_DICTIONARY_SETTINGS";
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@Override
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public void onCreate(final Bundle icicle) {
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super.onCreate(icicle);
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setPreferenceScreen(getPreferenceManager().createPreferenceScreen(getActivity()));
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}
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public static TreeSet<String> getUserDictionaryLocalesSet(final Activity activity) {
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final Cursor cursor = activity.getContentResolver().query(UserDictionary.Words.CONTENT_URI,
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new String[] { UserDictionary.Words.LOCALE },
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null, null, null);
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final TreeSet<String> localeSet = new TreeSet<>();
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if (null == cursor) {
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// The user dictionary service is not present or disabled. Return null.
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return null;
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}
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try {
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if (cursor.moveToFirst()) {
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final int columnIndex = cursor.getColumnIndex(UserDictionary.Words.LOCALE);
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do {
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final String locale = cursor.getString(columnIndex);
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localeSet.add(null != locale ? locale : "");
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} while (cursor.moveToNext());
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}
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} finally {
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cursor.close();
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}
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if (!UserDictionarySettings.IS_SHORTCUT_API_SUPPORTED) {
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// For ICS, we need to show "For all languages" in case that the keyboard locale
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// is different from the system locale
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localeSet.add("");
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}
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final InputMethodManager imm =
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(InputMethodManager)activity.getSystemService(Context.INPUT_METHOD_SERVICE);
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final List<InputMethodInfo> imis = imm.getEnabledInputMethodList();
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for (final InputMethodInfo imi : imis) {
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final List<InputMethodSubtype> subtypes =
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imm.getEnabledInputMethodSubtypeList(
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imi, true /* allowsImplicitlySelectedSubtypes */);
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for (InputMethodSubtype subtype : subtypes) {
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final String locale = subtype.getLocale();
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if (!TextUtils.isEmpty(locale)) {
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localeSet.add(locale);
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}
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}
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}
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// We come here after we have collected locales from existing user dictionary entries and
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// enabled subtypes. If we already have the locale-without-country version of the system
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// locale, we don't add the system locale to avoid confusion even though it's technically
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// correct to add it.
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if (!localeSet.contains(Locale.getDefault().getLanguage().toString())) {
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localeSet.add(Locale.getDefault().toString());
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}
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return localeSet;
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}
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/**
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* Creates the entries that allow the user to go into the user dictionary for each locale.
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* @param userDictGroup The group to put the settings in.
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*/
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protected void createUserDictSettings(final PreferenceGroup userDictGroup) {
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final Activity activity = getActivity();
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userDictGroup.removeAll();
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final TreeSet<String> localeSet =
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UserDictionaryList.getUserDictionaryLocalesSet(activity);
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if (localeSet.size() > 1) {
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// Have an "All languages" entry in the languages list if there are two or more active
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// languages
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localeSet.add("");
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}
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if (localeSet.isEmpty()) {
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userDictGroup.addPreference(createUserDictionaryPreference(null));
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} else {
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for (String locale : localeSet) {
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userDictGroup.addPreference(createUserDictionaryPreference(locale));
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}
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}
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}
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/**
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* Create a single User Dictionary Preference object, with its parameters set.
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* @param localeString The locale for which this user dictionary is for.
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* @return The corresponding preference.
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*/
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protected Preference createUserDictionaryPreference(@Nullable final String localeString) {
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final Preference newPref = new Preference(getActivity());
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final Intent intent = new Intent(USER_DICTIONARY_SETTINGS_INTENT_ACTION);
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if (null == localeString) {
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newPref.setTitle(Locale.getDefault().getDisplayName());
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} else {
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if (localeString.isEmpty()) {
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newPref.setTitle(getString(R.string.user_dict_settings_all_languages));
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} else {
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newPref.setTitle(
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LocaleUtils.constructLocaleFromString(localeString).getDisplayName());
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}
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intent.putExtra("locale", localeString);
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newPref.getExtras().putString("locale", localeString);
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}
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newPref.setIntent(intent);
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newPref.setFragment(UserDictionarySettings.class.getName());
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return newPref;
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}
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@Override
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public void onResume() {
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super.onResume();
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createUserDictSettings(getPreferenceScreen());
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}
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}
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