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
17package com.android.dialer.calllog;
18
19import android.content.ComponentName;
20import android.content.Context;
21import android.telecom.PhoneAccount;
22import android.telecom.PhoneAccountHandle;
23import android.telecom.TelecomManager;
24import android.text.TextUtils;
25
26import java.util.ArrayList;
27import java.util.List;
28
29/**
30 * Methods to help extract {@code PhoneAccount} information from database and Telecomm sources.
31 */
32public class PhoneAccountUtils {
33    /**
34     * Return a list of phone accounts that are subscription/SIM accounts.
35     */
36    public static List<PhoneAccountHandle> getSubscriptionPhoneAccounts(Context context) {
37        final TelecomManager telecomManager =
38                (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE);
39
40        List<PhoneAccountHandle> subscriptionAccountHandles = new ArrayList<PhoneAccountHandle>();
41        List<PhoneAccountHandle> accountHandles = telecomManager.getCallCapablePhoneAccounts();
42        for (PhoneAccountHandle accountHandle : accountHandles) {
43            PhoneAccount account = telecomManager.getPhoneAccount(accountHandle);
44            if (account.hasCapabilities(PhoneAccount.CAPABILITY_SIM_SUBSCRIPTION)) {
45                subscriptionAccountHandles.add(accountHandle);
46            }
47        }
48        return subscriptionAccountHandles;
49    }
50
51    /**
52     * Compose PhoneAccount object from component name and account id.
53     */
54    public static PhoneAccountHandle getAccount(String componentString, String accountId) {
55        if (TextUtils.isEmpty(componentString) || TextUtils.isEmpty(accountId)) {
56            return null;
57        }
58        final ComponentName componentName = ComponentName.unflattenFromString(componentString);
59        return new PhoneAccountHandle(componentName, accountId);
60    }
61
62    /**
63     * Extract account label from PhoneAccount object.
64     */
65    public static String getAccountLabel(Context context, PhoneAccountHandle accountHandle) {
66        PhoneAccount account = getAccountOrNull(context, accountHandle);
67        if (account != null && account.getLabel() != null) {
68            return account.getLabel().toString();
69        }
70        return null;
71    }
72
73    /**
74     * Extract account color from PhoneAccount object.
75     */
76    public static int getAccountColor(Context context, PhoneAccountHandle accountHandle) {
77        TelecomManager telecomManager =
78                (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE);
79        final PhoneAccount account = telecomManager.getPhoneAccount(accountHandle);
80
81        // For single-sim devices the PhoneAccount will be NO_HIGHLIGHT_COLOR by default, so it is
82        // safe to always use the account highlight color.
83        return account == null ? PhoneAccount.NO_HIGHLIGHT_COLOR : account.getHighlightColor();
84    }
85
86    /**
87     * Retrieve the account metadata, but if the account does not exist or the device has only a
88     * single registered and enabled account, return null.
89     */
90     static PhoneAccount getAccountOrNull(Context context,
91            PhoneAccountHandle accountHandle) {
92        TelecomManager telecomManager =
93                (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE);
94        final PhoneAccount account = telecomManager.getPhoneAccount(accountHandle);
95        if (telecomManager.getCallCapablePhoneAccounts().size() <= 1) {
96            return null;
97        }
98        return account;
99    }
100}
101