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.util;
18
19import android.content.Context;
20import android.provider.CallLog;
21import android.telecom.PhoneAccountHandle;
22import android.telecom.TelecomManager;
23import android.text.TextUtils;
24import android.util.Log;
25import android.util.Pair;
26
27import com.android.contacts.common.util.PhoneNumberHelper;
28import com.google.common.collect.Sets;
29
30import java.util.HashMap;
31import java.util.Map;
32import java.util.Set;
33
34public class PhoneNumberUtil {
35    private static final Set<String> LEGACY_UNKNOWN_NUMBERS = Sets.newHashSet("-1", "-2", "-3");
36
37    /** Returns true if it is possible to place a call to the given number. */
38    public static boolean canPlaceCallsTo(CharSequence number, int presentation) {
39        return presentation == CallLog.Calls.PRESENTATION_ALLOWED
40            && !TextUtils.isEmpty(number) && !isLegacyUnknownNumbers(number);
41    }
42
43    /**
44     * Returns true if the given number is the number of the configured voicemail. To be able to
45     * mock-out this, it is not a static method.
46     */
47    public static boolean isVoicemailNumber(
48            Context context, PhoneAccountHandle accountHandle, CharSequence number) {
49        if (TextUtils.isEmpty(number)) {
50            return false;
51        }
52
53        final TelecomManager telecomManager =
54                (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE);
55        return telecomManager.isVoiceMailNumber(accountHandle, number.toString());
56    }
57
58    /**
59     * Returns true if the given number is a SIP address. To be able to mock-out this, it is not a
60     * static method.
61     */
62    public static boolean isSipNumber(CharSequence number) {
63        return number != null && PhoneNumberHelper.isUriNumber(number.toString());
64    }
65
66    public static boolean isUnknownNumberThatCanBeLookedUp(
67            Context context,
68            PhoneAccountHandle accountHandle,
69            CharSequence number,
70            int presentation) {
71        if (presentation == CallLog.Calls.PRESENTATION_UNKNOWN) {
72            return false;
73        }
74        if (presentation == CallLog.Calls.PRESENTATION_RESTRICTED) {
75            return false;
76        }
77        if (presentation == CallLog.Calls.PRESENTATION_PAYPHONE) {
78            return false;
79        }
80        if (TextUtils.isEmpty(number)) {
81            return false;
82        }
83        if (isVoicemailNumber(context, accountHandle, number)) {
84            return false;
85        }
86        if (isLegacyUnknownNumbers(number)) {
87            return false;
88        }
89        return true;
90    }
91
92    public static boolean isLegacyUnknownNumbers(CharSequence number) {
93        return number != null && LEGACY_UNKNOWN_NUMBERS.contains(number.toString());
94    }
95}
96