1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.dialer.blocking;
import android.content.ContentValues;
import android.content.Context;
import android.provider.BlockedNumberContract.BlockedNumbers;
import android.support.annotation.Nullable;
import android.telephony.PhoneNumberUtils;
import com.android.dialer.common.database.Selection;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
/** Blocks and unblocks number. */
public final class Blocking {
private Blocking() {}
/**
* Thrown when blocking cannot be performed because dialer is not the default dialer, or the
* current user is not a primary user.
*
* <p>Blocking is only allowed on the primary user (the first user added). Primary user cannot be
* easily checked because {@link
* android.provider.BlockedNumberContract#canCurrentUserBlockNumbers(Context)} is a slow IPC, and
* UserManager.isPrimaryUser() is a system API. Since secondary users are rare cases this class
* choose to ignore the check and let callers handle the failure later.
*/
public static final class BlockingFailedException extends Exception {
BlockingFailedException(Throwable cause) {
super(cause);
}
}
/**
* Block a number.
*
* @param countryIso the current location used to guess the country code of the number if not
* available. If {@code null} and {@code number} does not have a country code, only the
* original number will be blocked.
* @throws BlockingFailedException in the returned future if the operation failed.
*/
public static ListenableFuture<Void> block(
Context context,
ListeningExecutorService executorService,
String number,
@Nullable String countryIso) {
return executorService.submit(
() -> {
ContentValues values = new ContentValues();
values.put(BlockedNumbers.COLUMN_ORIGINAL_NUMBER, number);
String e164Number = PhoneNumberUtils.formatNumberToE164(number, countryIso);
if (e164Number != null) {
values.put(BlockedNumbers.COLUMN_E164_NUMBER, e164Number);
}
try {
context.getContentResolver().insert(BlockedNumbers.CONTENT_URI, values);
} catch (SecurityException e) {
throw new BlockingFailedException(e);
}
return null;
});
}
/**
* Unblock a number.
*
* @param countryIso the current location used to guess the country code of the number if not
* available. If {@code null} and {@code number} does not have a country code, only the
* original number will be unblocked.
* @throws BlockingFailedException in the returned future if the operation failed.
*/
public static ListenableFuture<Void> unblock(
Context context,
ListeningExecutorService executorService,
String number,
@Nullable String countryIso) {
return executorService.submit(
() -> {
Selection selection =
Selection.column(BlockedNumbers.COLUMN_ORIGINAL_NUMBER).is("=", number);
String e164Number = PhoneNumberUtils.formatNumberToE164(number, countryIso);
if (e164Number != null) {
selection =
selection
.buildUpon()
.or(Selection.column(BlockedNumbers.COLUMN_E164_NUMBER).is("=", e164Number))
.build();
}
try {
context
.getContentResolver()
.delete(
BlockedNumbers.CONTENT_URI,
selection.getSelection(),
selection.getSelectionArgs());
} catch (SecurityException e) {
throw new BlockingFailedException(e);
}
return null;
});
}
}
|
