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 
WifiCallingPreferenceController(Context context)31     public WifiCallingPreferenceController(Context context) {
32         super(context);
33         mTm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
34     }
35 
36     @Override
updateState(Preference preference)37     public void updateState(Preference preference) {
38         preference.setSummary(WifiCallingSettings.getWfcModeSummary(
39                 mContext, ImsManager.getWfcMode(mContext, mTm.isNetworkRoaming())));
40     }
41 
42     @Override
isAvailable()43     public boolean isAvailable() {
44         return ImsManager.isWfcEnabledByPlatform(mContext)
45                 && ImsManager.isWfcProvisionedOnDevice(mContext);
46     }
47 
48     @Override
getPreferenceKey()49     public String getPreferenceKey() {
50         return KEY_WFC_SETTINGS;
51     }
52 }
53