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