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