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.language; 18 19 import android.content.Context; 20 import android.speech.tts.TtsEngines; 21 22 import com.android.settings.core.PreferenceControllerMixin; 23 import com.android.settings.R; 24 import com.android.settingslib.core.AbstractPreferenceController; 25 26 public class TtsPreferenceController extends AbstractPreferenceController 27 implements PreferenceControllerMixin { 28 29 private static final String KEY_VOICE_CATEGORY = "voice_category"; 30 private static final String KEY_TTS_SETTINGS = "tts_settings_summary"; 31 32 private final TtsEngines mTtsEngines; 33 TtsPreferenceController(Context context, TtsEngines ttsEngines)34 public TtsPreferenceController(Context context, TtsEngines ttsEngines) { 35 super(context); 36 mTtsEngines = ttsEngines; 37 } 38 39 @Override isAvailable()40 public boolean isAvailable() { 41 return !mTtsEngines.getEngines().isEmpty() && 42 mContext.getResources().getBoolean(R.bool.config_show_tts_settings_summary); 43 } 44 45 @Override getPreferenceKey()46 public String getPreferenceKey() { 47 return KEY_TTS_SETTINGS; 48 } 49 } 50