GroupMemberLoader.java revision 0a2a5db3b3633883388953dc98e30c2edd7cae62 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16package com.android.contacts;
17
18import com.android.contacts.list.ContactListAdapter;
19
20import android.content.Context;
21import android.content.CursorLoader;
22import android.net.Uri;
23import android.provider.ContactsContract;
24import android.provider.ContactsContract.CommonDataKinds.GroupMembership;
25import android.provider.ContactsContract.Contacts;
26import android.provider.ContactsContract.Data;
27import android.provider.ContactsContract.Directory;
28
29import java.util.ArrayList;
30import java.util.List;
31
32/**
33 * Group Member loader. Loads all group members from the given groupId
34 */
35public final class GroupMemberLoader extends CursorLoader {
36
37    /**
38     * Projection map is taken from {@link ContactListAdapter}
39     */
40    private final String[] PROJECTION_DATA = new String[] {
41        // TODO: Pull Projection_data out into util class
42        Data.CONTACT_ID,                        // 0
43        Data.RAW_CONTACT_ID,                    // 1
44        Data.DISPLAY_NAME_PRIMARY,              // 2
45        Data.DISPLAY_NAME_ALTERNATIVE,          // 3
46        Data.SORT_KEY_PRIMARY,                  // 4
47        Data.STARRED,                           // 5
48        Data.CONTACT_PRESENCE,                  // 6
49        Data.CONTACT_CHAT_CAPABILITY,           // 7
50        Data.PHOTO_ID,                          // 8
51        Data.PHOTO_URI,                         // 9
52        Data.PHOTO_THUMBNAIL_URI,               // 10
53        Data.LOOKUP_KEY,                        // 11
54        Data.PHONETIC_NAME,                     // 12
55        Data.HAS_PHONE_NUMBER,                  // 13
56    };
57
58    private final long mGroupId;
59
60    public static final int CONTACT_ID_COLUMN_INDEX = 0;
61    public static final int RAW_CONTACT_ID_COLUMN_INDEX = 1;
62    public static final int CONTACT_DISPLAY_NAME_PRIMARY_COLUMN_INDEX = 2;
63    public static final int CONTACT_DISPLAY_NAME_ALTERNATIVE_COLUMN_INDEX = 3;
64    public static final int CONTACT_SORT_KEY_PRIMARY_COLUMN_INDEX = 4;
65    public static final int CONTACT_STARRED_COLUMN_INDEX = 5;
66    public static final int CONTACT_PRESENCE_STATUS_COLUMN_INDEX = 6;
67    public static final int CONTACT_CHAT_CAPABILITY_COLUMN_INDEX = 7;
68    public static final int CONTACT_PHOTO_ID_COLUMN_INDEX = 8;
69    public static final int CONTACT_PHOTO_URI_COLUMN_INDEX = 9;
70    public static final int CONTACT_PHOTO_THUMBNAIL_URI_COLUMN_INDEX = 10;
71    public static final int CONTACT_LOOKUP_KEY_COLUMN_INDEX = 10;
72    public static final int CONTACT_PHONETIC_NAME_COLUMN_INDEX = 11;
73    public static final int CONTACT_HAS_PHONE_COLUMN_INDEX = 12;
74
75    public GroupMemberLoader(Context context, long groupId) {
76        super(context);
77        mGroupId = groupId;
78        setUri(createUri());
79        setProjection(PROJECTION_DATA);
80        setSelection(createSelection());
81        setSelectionArgs(createSelectionArgs());
82        setSortOrder(Contacts.SORT_KEY_ALTERNATIVE);
83    }
84
85    private Uri createUri() {
86        Uri uri = Data.CONTENT_URI;
87        uri = uri.buildUpon().appendQueryParameter(ContactsContract.DIRECTORY_PARAM_KEY,
88                String.valueOf(Directory.DEFAULT)).build();
89        return uri;
90    }
91
92    private String createSelection() {
93        StringBuilder selection = new StringBuilder();
94        selection.append(Data.MIMETYPE + "=?" + " AND " + GroupMembership.GROUP_ROW_ID + "=?");
95        return selection.toString();
96    }
97
98    private String[] createSelectionArgs() {
99        List<String> selectionArgs = new ArrayList<String>();
100        selectionArgs.add(GroupMembership.CONTENT_ITEM_TYPE);
101        selectionArgs.add(String.valueOf(mGroupId));
102        return selectionArgs.toArray(new String[0]);
103    }
104}
105