1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.inputmethod; 18 19 import android.content.Context; 20 import android.support.v7.preference.Preference; 21 import android.support.v7.preference.PreferenceScreen; 22 import android.view.textservice.SpellCheckerInfo; 23 import android.view.textservice.TextServicesManager; 24 25 import com.android.settings.R; 26 import com.android.settings.core.PreferenceControllerMixin; 27 import com.android.settingslib.core.AbstractPreferenceController; 28 import com.android.settingslib.inputmethod.InputMethodAndSubtypeUtil; 29 30 public class SpellCheckerPreferenceController extends AbstractPreferenceController 31 implements PreferenceControllerMixin { 32 33 public static final String KEY_SPELL_CHECKERS = "spellcheckers_settings"; 34 35 private final TextServicesManager mTextServicesManager; 36 SpellCheckerPreferenceController(Context context)37 public SpellCheckerPreferenceController(Context context) { 38 super(context); 39 mTextServicesManager = (TextServicesManager) context.getSystemService( 40 Context.TEXT_SERVICES_MANAGER_SERVICE); 41 } 42 43 @Override displayPreference(PreferenceScreen screen)44 public void displayPreference(PreferenceScreen screen) { 45 super.displayPreference(screen); 46 final Preference preference = screen.findPreference(KEY_SPELL_CHECKERS); 47 if (preference != null) { 48 InputMethodAndSubtypeUtil.removeUnnecessaryNonPersistentPreference(preference); 49 } 50 } 51 52 @Override isAvailable()53 public boolean isAvailable() { 54 return mContext.getResources().getBoolean(R.bool.config_show_spellcheckers_settings); 55 } 56 57 @Override getPreferenceKey()58 public String getPreferenceKey() { 59 return KEY_SPELL_CHECKERS; 60 } 61 62 @Override updateState(Preference preference)63 public void updateState(Preference preference) { 64 if (preference == null) { 65 return; 66 } 67 if (!mTextServicesManager.isSpellCheckerEnabled()) { 68 preference.setSummary(R.string.switch_off_text); 69 } else { 70 final SpellCheckerInfo sci = mTextServicesManager.getCurrentSpellChecker(); 71 if (sci != null) { 72 preference.setSummary(sci.loadLabel(mContext.getPackageManager())); 73 } else { 74 preference.setSummary(R.string.spell_checker_not_selected); 75 } 76 } 77 } 78 } 79