9b6f181340
Bug: 33429853 Test: RunSettingsRoboTests Change-Id: I5633953e3d7b07f9006e541b96a24a2a769e2686
82 lines
3.0 KiB
Java
82 lines
3.0 KiB
Java
/*
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* Copyright (C) 2016 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.settings.language;
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import android.app.Fragment;
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import android.content.Context;
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import android.os.Bundle;
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import android.support.v7.preference.Preference;
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import com.android.settings.UserDictionarySettings;
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import com.android.settings.core.PreferenceController;
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import com.android.settings.inputmethod.UserDictionaryList;
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import java.util.TreeSet;
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public class UserDictionaryPreferenceController extends PreferenceController {
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private static final String KEY_USER_DICTIONARY_SETTINGS = "key_user_dictionary_settings";
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public UserDictionaryPreferenceController(Context context) {
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super(context);
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}
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@Override
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public boolean isAvailable() {
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final TreeSet<String> localeSet = getDictionaryLocales();
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// The locale list is null if and only if the user dictionary service is
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// not present or disabled. In this case we need to remove the preference.
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return localeSet != null;
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}
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@Override
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public String getPreferenceKey() {
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return KEY_USER_DICTIONARY_SETTINGS;
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}
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@Override
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public void updateState(Preference preference) {
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if (!isAvailable() || preference == null) {
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return;
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}
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final TreeSet<String> localeSet = getDictionaryLocales();
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final Bundle extras = preference.getExtras();
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final Class<? extends Fragment> targetFragment;
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if (localeSet.size() <= 1) {
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if (!localeSet.isEmpty()) {
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// If the size of localeList is 0, we don't set the locale
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// parameter in the extras. This will be interpreted by the
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// UserDictionarySettings class as meaning
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// "the current locale". Note that with the current code for
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// UserDictionaryList#getUserDictionaryLocalesSet()
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// the locale list always has at least one element, since it
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// always includes the current locale explicitly.
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// @see UserDictionaryList.getUserDictionaryLocalesSet().
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extras.putString("locale", localeSet.first());
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}
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targetFragment = UserDictionarySettings.class;
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} else {
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targetFragment = UserDictionaryList.class;
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}
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preference.setFragment(targetFragment.getCanonicalName());
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}
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protected TreeSet<String> getDictionaryLocales() {
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return UserDictionaryList.getUserDictionaryLocalesSet(mContext);
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}
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}
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