1package com.android.contacts.quickcontact;
2
3
4import com.google.common.collect.Iterables;
5
6import com.android.contacts.ContactSaveService;
7import com.android.contacts.common.GroupMetaData;
8import com.android.contacts.common.model.AccountTypeManager;
9import com.android.contacts.common.model.Contact;
10import com.android.contacts.common.model.RawContact;
11import com.android.contacts.common.model.RawContactDelta;
12import com.android.contacts.common.model.RawContactDeltaList;
13import com.android.contacts.common.model.RawContactModifier;
14import com.android.contacts.common.model.ValuesDelta;
15import com.android.contacts.common.model.account.AccountType;
16import com.android.contacts.common.model.dataitem.DataItem;
17import com.android.contacts.common.model.dataitem.DataKind;
18import com.android.contacts.common.model.dataitem.GroupMembershipDataItem;
19
20import android.content.Context;
21import android.content.Intent;
22import android.provider.ContactsContract.CommonDataKinds.GroupMembership;
23
24import java.util.List;
25
26/**
27 * Utility class to support adding invisible contacts. Ie, contacts that don't belong to the
28 * default group.
29 */
30public class InvisibleContactUtil {
31
32    public static boolean isInvisibleAndAddable(Contact contactData, Context context) {
33        // Only local contacts
34        if (contactData == null || contactData.isDirectoryEntry()) return false;
35
36        // User profile cannot be added to contacts
37        if (contactData.isUserProfile()) return false;
38
39        // Only if exactly one raw contact
40        if (contactData.getRawContacts().size() != 1) return false;
41
42        // test if the default group is assigned
43        final List<GroupMetaData> groups = contactData.getGroupMetaData();
44
45        // For accounts without group support, groups is null
46        if (groups == null) return false;
47
48        // remember the default group id. no default group? bail out early
49        final long defaultGroupId = getDefaultGroupId(groups);
50        if (defaultGroupId == -1) return false;
51
52        final RawContact rawContact = (RawContact) contactData.getRawContacts().get(0);
53        final AccountType type = rawContact.getAccountType(context);
54        // Offline or non-writeable account? Nothing to fix
55        if (type == null || !type.areContactsWritable()) return false;
56
57        // Check whether the contact is in the default group
58        boolean isInDefaultGroup = false;
59        for (DataItem dataItem : Iterables.filter(
60                rawContact.getDataItems(), GroupMembershipDataItem.class)) {
61            GroupMembershipDataItem groupMembership = (GroupMembershipDataItem) dataItem;
62            final Long groupId = groupMembership.getGroupRowId();
63            if (groupId != null && groupId == defaultGroupId) {
64                isInDefaultGroup = true;
65                break;
66            }
67        }
68
69        return !isInDefaultGroup;
70    }
71
72    public static void addToDefaultGroup(Contact contactData, Context context) {
73        final long defaultGroupId = getDefaultGroupId(contactData.getGroupMetaData());
74        // there should always be a default group (otherwise the button would be invisible),
75        // but let's be safe here
76        if (defaultGroupId == -1) return;
77
78        // add the group membership to the current state
79        final RawContactDeltaList contactDeltaList = contactData.createRawContactDeltaList();
80        final RawContactDelta rawContactEntityDelta = contactDeltaList.get(0);
81
82        final AccountTypeManager accountTypes = AccountTypeManager.getInstance(
83                context);
84        final AccountType type = rawContactEntityDelta.getAccountType(accountTypes);
85        final DataKind groupMembershipKind = type.getKindForMimetype(
86                GroupMembership.CONTENT_ITEM_TYPE);
87        final ValuesDelta entry = RawContactModifier.insertChild(rawContactEntityDelta,
88                groupMembershipKind);
89        if (entry == null) return;
90        entry.setGroupRowId(defaultGroupId);
91
92        // and fire off the intent. we don't need a callback, as the database listener
93        // should update the ui
94        final Intent intent = ContactSaveService.createSaveContactIntent(
95                context,
96                contactDeltaList, "", 0, false, QuickContactActivity.class,
97                Intent.ACTION_VIEW, null, /* backPressed =*/ false);
98        context.startService(intent);
99    }
100
101    /** return default group id or -1 if no group or several groups are marked as default */
102    private static long getDefaultGroupId(List<GroupMetaData> groups) {
103        long defaultGroupId = -1;
104        for (GroupMetaData group : groups) {
105            if (group.isDefaultGroup()) {
106                // two default groups? return neither
107                if (defaultGroupId != -1) return -1;
108                defaultGroupId = group.getGroupId();
109            }
110        }
111        return defaultGroupId;
112    }
113}
114