1 /* 2 * Copyright (C) 2007 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 17 package com.android.email; 18 19 import com.android.email.mail.Address; 20 import com.android.email.provider.EmailContent.Account; 21 22 import android.content.ContentResolver; 23 import android.content.Context; 24 import android.database.Cursor; 25 import android.net.Uri; 26 import android.provider.ContactsContract.Contacts; 27 import android.provider.ContactsContract.Data; 28 import android.provider.ContactsContract.CommonDataKinds.Email; 29 import android.view.View; 30 import android.widget.ResourceCursorAdapter; 31 import android.widget.TextView; 32 33 public class EmailAddressAdapter extends ResourceCursorAdapter { 34 public static final int ID_INDEX = 0; 35 public static final int NAME_INDEX = 1; 36 public static final int DATA_INDEX = 2; 37 38 protected static final String SORT_ORDER = 39 Contacts.TIMES_CONTACTED + " DESC, " + Contacts.DISPLAY_NAME; 40 41 protected final ContentResolver mContentResolver; 42 43 protected static final String[] PROJECTION = { 44 Data._ID, // 0 45 Contacts.DISPLAY_NAME, // 1 46 Email.DATA // 2 47 }; 48 EmailAddressAdapter(Context context)49 public EmailAddressAdapter(Context context) { 50 super(context, R.layout.recipient_dropdown_item, null); 51 mContentResolver = context.getContentResolver(); 52 } 53 54 @Override convertToString(Cursor cursor)55 public final String convertToString(Cursor cursor) { 56 String name = cursor.getString(NAME_INDEX); 57 String address = cursor.getString(DATA_INDEX); 58 59 return new Address(address, name).toString(); 60 } 61 62 @Override bindView(View view, Context context, Cursor cursor)63 public void bindView(View view, Context context, Cursor cursor) { 64 TextView text1 = (TextView)view.findViewById(R.id.text1); 65 TextView text2 = (TextView)view.findViewById(R.id.text2); 66 text1.setText(cursor.getString(NAME_INDEX)); 67 text2.setText(cursor.getString(DATA_INDEX)); 68 } 69 70 @Override runQueryOnBackgroundThread(CharSequence constraint)71 public Cursor runQueryOnBackgroundThread(CharSequence constraint) { 72 String filter = constraint == null ? "" : constraint.toString(); 73 Uri uri = Uri.withAppendedPath(Email.CONTENT_FILTER_URI, Uri.encode(filter)); 74 Cursor c = mContentResolver.query(uri, PROJECTION, null, null, SORT_ORDER); 75 // To prevent expensive execution in the UI thread 76 // Cursors get lazily executed, so if you don't call anything on the cursor before 77 // returning it from the background thread you'll have a complied program for the cursor, 78 // but it won't have been executed to generate the data yet. Often the execution is more 79 // expensive than the compilation... 80 if (c != null) { 81 c.getCount(); 82 } 83 return c; 84 } 85 86 /** 87 * Set the account when known. Not used for generic contacts lookup; Use when 88 * linking lookup to specific account. 89 */ setAccount(Account account)90 public void setAccount(Account account) { } 91 } 92