1package eu.siacs.conversations.android;
 2
 3import android.Manifest;
 4import android.content.Context;
 5import android.content.pm.PackageManager;
 6import android.database.Cursor;
 7import android.os.Build;
 8import android.provider.ContactsContract;
 9import android.util.Log;
10
11import java.util.Collections;
12import java.util.HashMap;
13import java.util.Map;
14
15import eu.siacs.conversations.Config;
16import eu.siacs.conversations.xmpp.Jid;
17
18public class JabberIdContact extends AbstractPhoneContact {
19
20    private static final String[] PROJECTION = new String[]{ContactsContract.Data._ID,
21            ContactsContract.Data.DISPLAY_NAME,
22            ContactsContract.Data.PHOTO_URI,
23            ContactsContract.Data.LOOKUP_KEY,
24            ContactsContract.CommonDataKinds.Im.DATA
25    };
26    private static final String SELECTION = ContactsContract.Data.MIMETYPE + "=? AND (" + ContactsContract.CommonDataKinds.Im.PROTOCOL + "=? or (" + ContactsContract.CommonDataKinds.Im.PROTOCOL + "=? and lower(" + ContactsContract.CommonDataKinds.Im.CUSTOM_PROTOCOL + ")=?))";
27
28    private static final String[] SELECTION_ARGS = {
29            ContactsContract.CommonDataKinds.Im.CONTENT_ITEM_TYPE,
30            String.valueOf(ContactsContract.CommonDataKinds.Im.PROTOCOL_JABBER),
31            String.valueOf(ContactsContract.CommonDataKinds.Im.PROTOCOL_CUSTOM),
32            "xmpp"
33    };
34
35    private final Jid jid;
36
37    private JabberIdContact(Cursor cursor) throws IllegalArgumentException {
38        super(cursor);
39        try {
40            this.jid = Jid.of(cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Im.DATA)));
41        } catch (IllegalArgumentException | NullPointerException e) {
42            throw new IllegalArgumentException(e);
43        }
44    }
45
46    public Jid getJid() {
47        return jid;
48    }
49
50    public static Map<Jid, JabberIdContact> load(Context context) {
51        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && context.checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
52            return Collections.emptyMap();
53        }
54        try (final Cursor cursor = context.getContentResolver().query(ContactsContract.Data.CONTENT_URI, PROJECTION, SELECTION, SELECTION_ARGS, null)) {
55            if (cursor == null) {
56                return Collections.emptyMap();
57            }
58            final HashMap<Jid, JabberIdContact> contacts = new HashMap<>();
59            while (cursor.moveToNext()) {
60                try {
61                    final JabberIdContact contact = new JabberIdContact(cursor);
62                    final JabberIdContact preexisting = contacts.put(contact.getJid(), contact);
63                    if (preexisting == null || preexisting.rating() < contact.rating()) {
64                        contacts.put(contact.getJid(), contact);
65                    }
66                } catch (final IllegalArgumentException e) {
67                    Log.d(Config.LOGTAG, "unable to create jabber id contact");
68                }
69            }
70            return contacts;
71        } catch (final Exception e) {
72            Log.d(Config.LOGTAG, "unable to query", e);
73            return Collections.emptyMap();
74        }
75    }
76}