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  */
16 package com.android.contacts;
17 
18 import android.content.Context;
19 import android.content.CursorLoader;
20 import android.net.Uri;
21 import android.provider.ContactsContract;
22 import android.provider.ContactsContract.CommonDataKinds.GroupMembership;
23 import android.provider.ContactsContract.Contacts;
24 import android.provider.ContactsContract.Data;
25 import android.provider.ContactsContract.Directory;
26 
27 import com.android.contacts.common.preference.ContactsPreferences;
28 
29 import java.util.ArrayList;
30 import java.util.List;
31 
32 /**
33  * Group Member loader. Loads all group members from the given groupId
34  */
35 public final class GroupMemberLoader extends CursorLoader {
36 
37     public static class GroupEditorQuery {
38         private static final String[] PROJECTION = new String[] {
39             Data.CONTACT_ID,                        // 0
40             Data.RAW_CONTACT_ID,                    // 1
41             Data.DISPLAY_NAME_PRIMARY,              // 2
42             Data.PHOTO_URI,                         // 3
43             Data.LOOKUP_KEY,                        // 4
44         };
45 
46         public static final int CONTACT_ID                   = 0;
47         public static final int RAW_CONTACT_ID               = 1;
48         public static final int CONTACT_DISPLAY_NAME_PRIMARY = 2;
49         public static final int CONTACT_PHOTO_URI            = 3;
50         public static final int CONTACT_LOOKUP_KEY           = 4;
51     }
52 
53     public static class GroupDetailQuery {
54         private static final String[] PROJECTION = new String[] {
55             Data.CONTACT_ID,                        // 0
56             Data.PHOTO_URI,                         // 1
57             Data.LOOKUP_KEY,                        // 2
58             Data.DISPLAY_NAME_PRIMARY,              // 3
59             Data.CONTACT_PRESENCE,                  // 4
60             Data.CONTACT_STATUS,                    // 5
61         };
62 
63         public static final int CONTACT_ID                   = 0;
64         public static final int CONTACT_PHOTO_URI            = 1;
65         public static final int CONTACT_LOOKUP_KEY           = 2;
66         public static final int CONTACT_DISPLAY_NAME_PRIMARY = 3;
67         public static final int CONTACT_PRESENCE_STATUS      = 4;
68         public static final int CONTACT_STATUS               = 5;
69     }
70 
71     private final long mGroupId;
72 
73     /**
74      * @return GroupMemberLoader object which can be used in group editor.
75      */
constructLoaderForGroupEditorQuery( Context context, long groupId)76     public static GroupMemberLoader constructLoaderForGroupEditorQuery(
77             Context context, long groupId) {
78         return new GroupMemberLoader(context, groupId, GroupEditorQuery.PROJECTION);
79     }
80 
81     /**
82      * @return GroupMemberLoader object used in group detail page.
83      */
constructLoaderForGroupDetailQuery( Context context, long groupId)84     public static GroupMemberLoader constructLoaderForGroupDetailQuery(
85             Context context, long groupId) {
86         return new GroupMemberLoader(context, groupId, GroupDetailQuery.PROJECTION);
87     }
88 
GroupMemberLoader(Context context, long groupId, String[] projection)89     private GroupMemberLoader(Context context, long groupId, String[] projection) {
90         super(context);
91         mGroupId = groupId;
92         setUri(createUri());
93         setProjection(projection);
94         setSelection(createSelection());
95         setSelectionArgs(createSelectionArgs());
96 
97         ContactsPreferences prefs = new ContactsPreferences(context);
98         if (prefs.getSortOrder() == ContactsPreferences.SORT_ORDER_PRIMARY) {
99             setSortOrder(Contacts.SORT_KEY_PRIMARY);
100         } else {
101             setSortOrder(Contacts.SORT_KEY_ALTERNATIVE);
102         }
103     }
104 
createUri()105     private Uri createUri() {
106         Uri uri = Data.CONTENT_URI;
107         uri = uri.buildUpon().appendQueryParameter(ContactsContract.DIRECTORY_PARAM_KEY,
108                 String.valueOf(Directory.DEFAULT)).build();
109         return uri;
110     }
111 
createSelection()112     private String createSelection() {
113         StringBuilder selection = new StringBuilder();
114         selection.append(Data.MIMETYPE + "=?" + " AND " + GroupMembership.GROUP_ROW_ID + "=?");
115         return selection.toString();
116     }
117 
createSelectionArgs()118     private String[] createSelectionArgs() {
119         List<String> selectionArgs = new ArrayList<String>();
120         selectionArgs.add(GroupMembership.CONTENT_ITEM_TYPE);
121         selectionArgs.add(String.valueOf(mGroupId));
122         return selectionArgs.toArray(new String[0]);
123     }
124 }
125