1 /*
2  * Copyright 2013 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.phone;
18 
19 import android.content.Context;
20 import android.util.Log;
21 
22 import com.android.ims.ImsConfig;
23 import com.android.ims.ImsManager;
24 import com.android.phone.PhoneGlobals;
25 
26 public class ImsUtil {
27     private static final String LOG_TAG = ImsUtil.class.getSimpleName();
28     private static final boolean DBG = (PhoneGlobals.DBG_LEVEL >= 2);
29 
30     private static boolean sImsPhoneSupported = false;
31 
ImsUtil()32     private ImsUtil() {
33     }
34 
35     static {
36         PhoneGlobals app = PhoneGlobals.getInstance();
37         sImsPhoneSupported = true;
38     }
39 
40     /**
41      * @return {@code true} if this device supports voice calls using the built-in SIP stack.
42      */
isImsPhoneSupported()43     static boolean isImsPhoneSupported() {
44         return sImsPhoneSupported;
45 
46     }
47 
48     /**
49      * @return {@code true} if WFC is supported by the platform and has been enabled by the user.
50      */
isWfcEnabled(Context context)51     public static boolean isWfcEnabled(Context context) {
52         boolean isEnabledByPlatform = ImsManager.isWfcEnabledByPlatform(context);
53         boolean isEnabledByUser = ImsManager.isWfcEnabledByUser(context);
54         if (DBG) Log.d(LOG_TAG, "isWfcEnabled :: isEnabledByPlatform=" + isEnabledByPlatform);
55         if (DBG) Log.d(LOG_TAG, "isWfcEnabled :: isEnabledByUser=" + isEnabledByUser);
56         return isEnabledByPlatform && isEnabledByUser;
57     }
58 
59     /**
60      * @return {@code true} if the device is configured to use "Wi-Fi only" mode. If WFC is not
61      * enabled, this will return {@code false}.
62      */
isWfcModeWifiOnly(Context context)63     public static boolean isWfcModeWifiOnly(Context context) {
64         boolean isWifiOnlyMode =
65                 ImsManager.getWfcMode(context) == ImsConfig.WfcModeFeatureValueConstants.WIFI_ONLY;
66         if (DBG) Log.d(LOG_TAG, "isWfcModeWifiOnly :: isWifiOnlyMode" + isWifiOnlyMode);
67         return isWfcEnabled(context) && isWifiOnlyMode;
68     }
69 }
70