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 17package com.android.ex.chips; 18 19import android.content.Context; 20import android.database.Cursor; 21import android.database.MatrixCursor; 22import android.text.util.Rfc822Token; 23import android.text.util.Rfc822Tokenizer; 24import android.util.Log; 25import android.view.LayoutInflater; 26import android.view.View; 27import android.view.ViewGroup; 28import android.widget.CursorAdapter; 29import android.widget.ImageView; 30import android.widget.TextView; 31 32import com.android.ex.chips.Queries.Query; 33 34import java.util.ArrayList; 35import java.util.HashMap; 36import java.util.HashSet; 37 38/** 39 * RecipientAlternatesAdapter backs the RecipientEditTextView for managing contacts 40 * queried by email or by phone number. 41 */ 42public class RecipientAlternatesAdapter extends CursorAdapter { 43 static final int MAX_LOOKUPS = 50; 44 private final LayoutInflater mLayoutInflater; 45 46 private final long mCurrentId; 47 48 private int mCheckedItemPosition = -1; 49 50 private OnCheckedItemChangedListener mCheckedItemChangedListener; 51 52 private static final String TAG = "RecipAlternates"; 53 54 public static final int QUERY_TYPE_EMAIL = 0; 55 public static final int QUERY_TYPE_PHONE = 1; 56 private Query mQuery; 57 58 public static HashMap<String, RecipientEntry> getMatchingRecipients(Context context, 59 ArrayList<String> inAddresses) { 60 return getMatchingRecipients(context, inAddresses, QUERY_TYPE_EMAIL); 61 } 62 63 /** 64 * Get a HashMap of address to RecipientEntry that contains all contact 65 * information for a contact with the provided address, if one exists. This 66 * may block the UI, so run it in an async task. 67 * 68 * @param context Context. 69 * @param inAddresses Array of addresses on which to perform the lookup. 70 * @return HashMap<String,RecipientEntry> 71 */ 72 public static HashMap<String, RecipientEntry> getMatchingRecipients(Context context, 73 ArrayList<String> inAddresses, int addressType) { 74 Queries.Query query; 75 if (addressType == QUERY_TYPE_EMAIL) { 76 query = Queries.EMAIL; 77 } else { 78 query = Queries.PHONE; 79 } 80 int addressesSize = Math.min(MAX_LOOKUPS, inAddresses.size()); 81 String[] addresses = new String[addressesSize]; 82 StringBuilder bindString = new StringBuilder(); 83 // Create the "?" string and set up arguments. 84 for (int i = 0; i < addressesSize; i++) { 85 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(inAddresses.get(i).toLowerCase()); 86 addresses[i] = (tokens.length > 0 ? tokens[0].getAddress() : inAddresses.get(i)); 87 bindString.append("?"); 88 if (i < addressesSize - 1) { 89 bindString.append(","); 90 } 91 } 92 93 if (Log.isLoggable(TAG, Log.DEBUG)) { 94 Log.d(TAG, "Doing reverse lookup for " + addresses.toString()); 95 } 96 97 HashMap<String, RecipientEntry> recipientEntries = new HashMap<String, RecipientEntry>(); 98 Cursor c = context.getContentResolver().query( 99 query.getContentUri(), 100 query.getProjection(), 101 query.getProjection()[Queries.Query.DESTINATION] + " IN (" + bindString.toString() 102 + ")", addresses, null); 103 104 if (c != null) { 105 try { 106 if (c.moveToFirst()) { 107 do { 108 String address = c.getString(Queries.Query.DESTINATION); 109 recipientEntries.put(address, RecipientEntry.constructTopLevelEntry( 110 c.getString(Queries.Query.NAME), 111 c.getInt(Queries.Query.DISPLAY_NAME_SOURCE), 112 c.getString(Queries.Query.DESTINATION), 113 c.getInt(Queries.Query.DESTINATION_TYPE), 114 c.getString(Queries.Query.DESTINATION_LABEL), 115 c.getLong(Queries.Query.CONTACT_ID), 116 c.getLong(Queries.Query.DATA_ID), 117 c.getString(Queries.Query.PHOTO_THUMBNAIL_URI))); 118 if (Log.isLoggable(TAG, Log.DEBUG)) { 119 Log.d(TAG, "Received reverse look up information for " + address 120 + " RESULTS: " 121 + " NAME : " + c.getString(Queries.Query.NAME) 122 + " CONTACT ID : " + c.getLong(Queries.Query.CONTACT_ID) 123 + " ADDRESS :" + c.getString(Queries.Query.DESTINATION)); 124 } 125 } while (c.moveToNext()); 126 } 127 } finally { 128 c.close(); 129 } 130 } 131 return recipientEntries; 132 } 133 134 public RecipientAlternatesAdapter(Context context, long contactId, long currentId, int viewId, 135 OnCheckedItemChangedListener listener) { 136 this(context, contactId, currentId, viewId, QUERY_TYPE_EMAIL, listener); 137 } 138 139 public RecipientAlternatesAdapter(Context context, long contactId, long currentId, int viewId, 140 int queryMode, OnCheckedItemChangedListener listener) { 141 super(context, getCursorForConstruction(context, contactId, queryMode), 0); 142 mLayoutInflater = LayoutInflater.from(context); 143 mCurrentId = currentId; 144 mCheckedItemChangedListener = listener; 145 146 if (queryMode == QUERY_TYPE_EMAIL) { 147 mQuery = Queries.EMAIL; 148 } else if (queryMode == QUERY_TYPE_PHONE) { 149 mQuery = Queries.PHONE; 150 } else { 151 mQuery = Queries.EMAIL; 152 Log.e(TAG, "Unsupported query type: " + queryMode); 153 } 154 } 155 156 private static Cursor getCursorForConstruction(Context context, long contactId, int queryType) { 157 final Cursor cursor; 158 if (queryType == QUERY_TYPE_EMAIL) { 159 cursor = context.getContentResolver().query( 160 Queries.EMAIL.getContentUri(), 161 Queries.EMAIL.getProjection(), 162 Queries.EMAIL.getProjection()[Queries.Query.CONTACT_ID] + " =?", new String[] { 163 String.valueOf(contactId) 164 }, null); 165 } else { 166 cursor = context.getContentResolver().query( 167 Queries.PHONE.getContentUri(), 168 Queries.PHONE.getProjection(), 169 Queries.PHONE.getProjection()[Queries.Query.CONTACT_ID] + " =?", new String[] { 170 String.valueOf(contactId) 171 }, null); 172 } 173 return removeDuplicateDestinations(cursor); 174 } 175 176 /** 177 * @return a new cursor based on the given cursor with all duplicate destinations removed. 178 * 179 * It's only intended to use for the alternate list, so... 180 * - This method ignores all other fields and dedupe solely on the destination. Normally, 181 * if a cursor contains multiple contacts and they have the same destination, we'd still want 182 * to show both. 183 * - This method creates a MatrixCursor, so all data will be kept in memory. We wouldn't want 184 * to do this if the original cursor is large, but it's okay here because the alternate list 185 * won't be that big. 186 */ 187 // Visible for testing 188 /* package */ static Cursor removeDuplicateDestinations(Cursor original) { 189 final MatrixCursor result = new MatrixCursor( 190 original.getColumnNames(), original.getCount()); 191 final HashSet<String> destinationsSeen = new HashSet<String>(); 192 193 original.moveToPosition(-1); 194 while (original.moveToNext()) { 195 final String destination = original.getString(Query.DESTINATION); 196 if (destinationsSeen.contains(destination)) { 197 continue; 198 } 199 destinationsSeen.add(destination); 200 201 result.addRow(new Object[] { 202 original.getString(Query.NAME), 203 original.getString(Query.DESTINATION), 204 original.getInt(Query.DESTINATION_TYPE), 205 original.getString(Query.DESTINATION_LABEL), 206 original.getLong(Query.CONTACT_ID), 207 original.getLong(Query.DATA_ID), 208 original.getString(Query.PHOTO_THUMBNAIL_URI), 209 original.getInt(Query.DISPLAY_NAME_SOURCE) 210 }); 211 } 212 213 return result; 214 } 215 216 @Override 217 public long getItemId(int position) { 218 Cursor c = getCursor(); 219 if (c.moveToPosition(position)) { 220 c.getLong(Queries.Query.DATA_ID); 221 } 222 return -1; 223 } 224 225 public RecipientEntry getRecipientEntry(int position) { 226 Cursor c = getCursor(); 227 c.moveToPosition(position); 228 return RecipientEntry.constructTopLevelEntry( 229 c.getString(Queries.Query.NAME), 230 c.getInt(Queries.Query.DISPLAY_NAME_SOURCE), 231 c.getString(Queries.Query.DESTINATION), 232 c.getInt(Queries.Query.DESTINATION_TYPE), 233 c.getString(Queries.Query.DESTINATION_LABEL), 234 c.getLong(Queries.Query.CONTACT_ID), 235 c.getLong(Queries.Query.DATA_ID), 236 c.getString(Queries.Query.PHOTO_THUMBNAIL_URI)); 237 } 238 239 @Override 240 public View getView(int position, View convertView, ViewGroup parent) { 241 Cursor cursor = getCursor(); 242 cursor.moveToPosition(position); 243 if (convertView == null) { 244 convertView = newView(); 245 } 246 if (cursor.getLong(Queries.Query.DATA_ID) == mCurrentId) { 247 mCheckedItemPosition = position; 248 if (mCheckedItemChangedListener != null) { 249 mCheckedItemChangedListener.onCheckedItemChanged(mCheckedItemPosition); 250 } 251 } 252 bindView(convertView, convertView.getContext(), cursor); 253 return convertView; 254 } 255 256 // TODO: this is VERY similar to the BaseRecipientAdapter. Can we combine 257 // somehow? 258 @Override 259 public void bindView(View view, Context context, Cursor cursor) { 260 int position = cursor.getPosition(); 261 262 TextView display = (TextView) view.findViewById(android.R.id.title); 263 ImageView imageView = (ImageView) view.findViewById(android.R.id.icon); 264 RecipientEntry entry = getRecipientEntry(position); 265 if (position == 0) { 266 display.setText(cursor.getString(Queries.Query.NAME)); 267 display.setVisibility(View.VISIBLE); 268 // TODO: see if this needs to be done outside the main thread 269 // as it may be too slow to get immediately. 270 imageView.setImageURI(entry.getPhotoThumbnailUri()); 271 imageView.setVisibility(View.VISIBLE); 272 } else { 273 display.setVisibility(View.GONE); 274 imageView.setVisibility(View.GONE); 275 } 276 TextView destination = (TextView) view.findViewById(android.R.id.text1); 277 destination.setText(cursor.getString(Queries.Query.DESTINATION)); 278 279 TextView destinationType = (TextView) view.findViewById(android.R.id.text2); 280 if (destinationType != null) { 281 destinationType.setText(mQuery.getTypeLabel(context.getResources(), 282 cursor.getInt(Queries.Query.DESTINATION_TYPE), 283 cursor.getString(Queries.Query.DESTINATION_LABEL)).toString().toUpperCase()); 284 } 285 } 286 287 @Override 288 public View newView(Context context, Cursor cursor, ViewGroup parent) { 289 return newView(); 290 } 291 292 private View newView() { 293 return mLayoutInflater.inflate(R.layout.chips_recipient_dropdown_item, null); 294 } 295 296 /*package*/ static interface OnCheckedItemChangedListener { 297 public void onCheckedItemChanged(int position); 298 } 299} 300