1package eu.siacs.conversations.utils;
2
3import android.app.Activity;
4import android.content.Intent;
5import android.view.Menu;
6import android.view.MenuItem;
7import android.widget.Toast;
8
9import com.google.common.primitives.Bytes;
10import com.google.common.primitives.Longs;
11
12import java.nio.ByteBuffer;
13import java.util.ArrayList;
14import java.util.List;
15import java.util.UUID;
16
17import eu.siacs.conversations.Config;
18import eu.siacs.conversations.R;
19import eu.siacs.conversations.entities.Account;
20import eu.siacs.conversations.services.XmppConnectionService;
21import eu.siacs.conversations.ui.XmppActivity;
22
23public class AccountUtils {
24
25 public static final Class<?> MANAGE_ACCOUNT_ACTIVITY;
26
27 static {
28 MANAGE_ACCOUNT_ACTIVITY = getManageAccountActivityClass();
29 }
30
31 public static boolean hasEnabledAccounts(final XmppConnectionService service) {
32 final List<Account> accounts = service.getAccounts();
33 for (Account account : accounts) {
34 if (account.isOptionSet(Account.OPTION_DISABLED)) {
35 return false;
36 }
37 }
38 return false;
39 }
40
41 public static String publicDeviceId(final Account account, final long installationId) {
42 final UUID uuid;
43 try {
44 uuid = UUID.fromString(account.getUuid());
45 } catch (final IllegalArgumentException e) {
46 return account.getUuid();
47 }
48 return createUuid4(uuid.getMostSignificantBits(), installationId).toString();
49 }
50
51 public static UUID createUuid4(long mostSigBits, long leastSigBits) {
52 final byte[] bytes =
53 Bytes.concat(
54 Longs.toByteArray(mostSigBits),
55 Longs.toByteArray(leastSigBits));
56 bytes[6] &= 0x0f; /* clear version */
57 bytes[6] |= 0x40; /* set to version 4 */
58 bytes[8] &= 0x3f; /* clear variant */
59 bytes[8] |= 0x80; /* set to IETF variant */
60 final ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
61 return new UUID(byteBuffer.getLong(), byteBuffer.getLong());
62 }
63
64 public static List<String> getEnabledAccounts(final XmppConnectionService service) {
65 final ArrayList<String> accounts = new ArrayList<>();
66 for (final Account account : service.getAccounts()) {
67 if (account.isEnabled()) {
68 accounts.add(account.getJid().asBareJid().toEscapedString());
69 }
70 }
71 return accounts;
72 }
73
74 public static Account getFirstEnabled(XmppConnectionService service) {
75 final List<Account> accounts = service.getAccounts();
76 for (Account account : accounts) {
77 if (!account.isOptionSet(Account.OPTION_DISABLED)) {
78 return account;
79 }
80 }
81 return null;
82 }
83
84 public static Account getFirst(XmppConnectionService service) {
85 final List<Account> accounts = service.getAccounts();
86 for (Account account : accounts) {
87 return account;
88 }
89 return null;
90 }
91
92 public static Account getPendingAccount(XmppConnectionService service) {
93 Account pending = null;
94 for (Account account : service.getAccounts()) {
95 if (!account.isOptionSet(Account.OPTION_LOGGED_IN_SUCCESSFULLY)) {
96 pending = account;
97 } else {
98 return null;
99 }
100 }
101 return pending;
102 }
103
104 public static void launchManageAccounts(final Activity activity) {
105 if (MANAGE_ACCOUNT_ACTIVITY != null) {
106 activity.startActivity(new Intent(activity, MANAGE_ACCOUNT_ACTIVITY));
107 } else {
108 Toast.makeText(activity, R.string.feature_not_implemented, Toast.LENGTH_SHORT).show();
109 }
110 }
111
112 public static void launchManageAccount(final XmppActivity xmppActivity) {
113 final Account account = getFirst(xmppActivity.xmppConnectionService);
114 xmppActivity.switchToAccount(account);
115 }
116
117 private static Class<?> getManageAccountActivityClass() {
118 try {
119 return Class.forName("eu.siacs.conversations.ui.ManageAccountActivity");
120 } catch (final ClassNotFoundException e) {
121 return null;
122 }
123 }
124
125 public static void showHideMenuItems(final Menu menu) {
126 final MenuItem manageAccounts = menu.findItem(R.id.action_accounts);
127 final MenuItem manageAccount = menu.findItem(R.id.action_account);
128 if (manageAccount != null) {
129 manageAccount.setVisible(MANAGE_ACCOUNT_ACTIVITY == null);
130 }
131 if (manageAccounts != null) {
132 manageAccounts.setVisible(MANAGE_ACCOUNT_ACTIVITY != null);
133 }
134 }
135}