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 package com.android.settings.network; 17 18 import android.content.Context; 19 import android.support.v7.preference.Preference; 20 import android.telephony.TelephonyManager; 21 22 import com.android.ims.ImsManager; 23 import com.android.settings.WifiCallingSettings; 24 import com.android.settings.core.PreferenceController; 25 26 public class WifiCallingPreferenceController extends PreferenceController { 27 28 private static final String KEY_WFC_SETTINGS = "wifi_calling_settings"; 29 private TelephonyManager mTm; 30 31 public WifiCallingPreferenceController(Context context) { 32 super(context); 33 mTm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); 34 } 35 36 @Override 37 public void updateState(Preference preference) { 38 preference.setSummary(WifiCallingSettings.getWfcModeSummary( 39 mContext, ImsManager.getWfcMode(mContext, mTm.isNetworkRoaming()))); 40 } 41 42 @Override 43 public boolean isAvailable() { 44 return ImsManager.isWfcEnabledByPlatform(mContext) 45 && ImsManager.isWfcProvisionedOnDevice(mContext); 46 } 47 48 @Override 49 public String getPreferenceKey() { 50 return KEY_WFC_SETTINGS; 51 } 52 } 53