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      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 com.android.contacts.preference.ContactsPreferences;
     19 
     20 import android.content.Context;
     21 import android.content.CursorLoader;
     22 import android.net.Uri;
     23 import android.provider.ContactsContract;
     24 import android.provider.ContactsContract.CommonDataKinds.GroupMembership;
     25 import android.provider.ContactsContract.Contacts;
     26 import android.provider.ContactsContract.Data;
     27 import android.provider.ContactsContract.Directory;
     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      */
     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      */
     84     public static GroupMemberLoader constructLoaderForGroupDetailQuery(
     85             Context context, long groupId) {
     86         return new GroupMemberLoader(context, groupId, GroupDetailQuery.PROJECTION);
     87     }
     88 
     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() == ContactsContract.Preferences.SORT_ORDER_PRIMARY) {
     99             setSortOrder(Contacts.SORT_KEY_PRIMARY);
    100         } else {
    101             setSortOrder(Contacts.SORT_KEY_ALTERNATIVE);
    102         }
    103     }
    104 
    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 
    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 
    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