1 /*
2  * Copyright (C) 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.dialer.calllogutils;
18 
19 import android.content.Context;
20 import android.support.annotation.Nullable;
21 import android.telecom.PhoneAccount;
22 import android.telecom.PhoneAccountHandle;
23 import com.android.dialer.telecom.TelecomUtil;
24 
25 /** Methods to help extract {@code PhoneAccount} information from database and Telecomm sources. */
26 public class PhoneAccountUtils {
27 
28   /** Extract account label from PhoneAccount object. */
29   @Nullable
getAccountLabel( Context context, @Nullable PhoneAccountHandle accountHandle)30   public static String getAccountLabel(
31       Context context, @Nullable PhoneAccountHandle accountHandle) {
32     PhoneAccount account = getAccountOrNull(context, accountHandle);
33     if (account != null && account.getLabel() != null) {
34       return account.getLabel().toString();
35     }
36     return null;
37   }
38 
39   /** Extract account color from PhoneAccount object. */
getAccountColor(Context context, @Nullable PhoneAccountHandle accountHandle)40   public static int getAccountColor(Context context, @Nullable PhoneAccountHandle accountHandle) {
41     final PhoneAccount account = TelecomUtil.getPhoneAccount(context, accountHandle);
42 
43     // For single-sim devices the PhoneAccount will be NO_HIGHLIGHT_COLOR by default, so it is
44     // safe to always use the account highlight color.
45     return account == null ? PhoneAccount.NO_HIGHLIGHT_COLOR : account.getHighlightColor();
46   }
47 
48   /**
49    * Determine whether a phone account supports call subjects.
50    *
51    * @return {@code true} if call subjects are supported, {@code false} otherwise.
52    */
getAccountSupportsCallSubject( Context context, @Nullable PhoneAccountHandle accountHandle)53   public static boolean getAccountSupportsCallSubject(
54       Context context, @Nullable PhoneAccountHandle accountHandle) {
55     final PhoneAccount account = TelecomUtil.getPhoneAccount(context, accountHandle);
56 
57     return account != null && account.hasCapabilities(PhoneAccount.CAPABILITY_CALL_SUBJECT);
58   }
59 
60   /**
61    * Retrieve the account metadata, but if the account does not exist or the device has only a
62    * single registered and enabled account, return null.
63    */
64   @Nullable
getAccountOrNull( Context context, @Nullable PhoneAccountHandle accountHandle)65   private static PhoneAccount getAccountOrNull(
66       Context context, @Nullable PhoneAccountHandle accountHandle) {
67     if (TelecomUtil.getCallCapablePhoneAccounts(context).size() <= 1) {
68       return null;
69     }
70     return TelecomUtil.getPhoneAccount(context, accountHandle);
71   }
72 }
73