RecipientAlternatesAdapter.java revision a11c2b0e1ea043aa4d8745285f2dcbe20448b417 
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 com.android.ex.chips.BaseRecipientAdapter.EmailQuery;
20
21import android.content.Context;
22import android.database.Cursor;
23import android.provider.ContactsContract.CommonDataKinds.Email;
24import android.text.util.Rfc822Token;
25import android.text.util.Rfc822Tokenizer;
26import android.util.Log;
27import android.view.LayoutInflater;
28import android.view.View;
29import android.view.ViewGroup;
30import android.widget.CursorAdapter;
31import android.widget.ImageView;
32import android.widget.TextView;
33
34import java.util.HashMap;
35
36public class RecipientAlternatesAdapter extends CursorAdapter {
37    static final int MAX_LOOKUPS = 50;
38    private final LayoutInflater mLayoutInflater;
39
40    private final long mCurrentId;
41
42    private int mCheckedItemPosition = -1;
43
44    private OnCheckedItemChangedListener mCheckedItemChangedListener;
45
46    private static final String TAG = "RecipAlternates";
47
48    /**
49     * Get a HashMap of address to RecipientEntry that contains all contact
50     * information for a contact with the provided address, if one exists. This
51     * may block the UI, so run it in an async task.
52     *
53     * @param context Context.
54     * @param inAddresses Array of addresses on which to perform the lookup.
55     * @return HashMap<String,RecipientEntry>
56     */
57    public static HashMap<String, RecipientEntry> getMatchingRecipients(Context context,
58            String[] inAddresses) {
59        int addressesSize = Math.min(MAX_LOOKUPS, inAddresses.length);
60        String[] addresses = new String[addressesSize];
61        StringBuilder bindString = new StringBuilder();
62        // Create the "?" string and set up arguments.
63        for (int i = 0; i < addressesSize; i++) {
64            Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(inAddresses[i].toLowerCase());
65            addresses[i] = (tokens.length > 0 ? tokens[0].getAddress() : inAddresses[i]);
66            bindString.append("?");
67            if (i < addressesSize - 1) {
68                bindString.append(",");
69            }
70        }
71
72        if (Log.isLoggable(TAG, Log.DEBUG)) {
73            Log.d(TAG, "Doing reverse lookup for " + addresses.toString());
74        }
75
76        HashMap<String, RecipientEntry> recipientEntries = new HashMap<String, RecipientEntry>();
77        Cursor c = context.getContentResolver().query(Email.CONTENT_URI, EmailQuery.PROJECTION,
78                Email.ADDRESS + " IN (" + bindString.toString() + ")", addresses, null);
79        if (c != null) {
80            try {
81                if (c.moveToFirst()) {
82                    do {
83                        String address = c.getString(EmailQuery.ADDRESS);
84                        recipientEntries.put(address, RecipientEntry.constructTopLevelEntry(
85                                c.getString(EmailQuery.NAME),
86                                c.getString(EmailQuery.ADDRESS),
87                                c.getInt(EmailQuery.ADDRESS_TYPE),
88                                c.getString(EmailQuery.ADDRESS_LABEL),
89                                c.getLong(EmailQuery.CONTACT_ID),
90                                c.getLong(EmailQuery.DATA_ID),
91                                c.getString(EmailQuery.PHOTO_THUMBNAIL_URI)));
92                        if (Log.isLoggable(TAG, Log.DEBUG)) {
93                            Log.d(TAG, "Received reverse look up information for " + address
94                                    + " RESULTS: "
95                                    + " NAME : " + c.getString(EmailQuery.NAME)
96                                    + " CONTACT ID : " + c.getLong(EmailQuery.CONTACT_ID)
97                                    + " ADDRESS :" + c.getString(EmailQuery.ADDRESS));
98                        }
99                    } while (c.moveToNext());
100                }
101            } finally {
102                c.close();
103            }
104        }
105        return recipientEntries;
106    }
107
108    public RecipientAlternatesAdapter(Context context, long contactId, long currentId, int viewId,
109            OnCheckedItemChangedListener listener) {
110        super(context, context.getContentResolver().query(Email.CONTENT_URI, EmailQuery.PROJECTION,
111                Email.CONTACT_ID + " =?", new String[] {
112                    String.valueOf(contactId)
113                }, null), 0);
114        mLayoutInflater = LayoutInflater.from(context);
115        mCurrentId = currentId;
116        mCheckedItemChangedListener = listener;
117    }
118
119    @Override
120    public long getItemId(int position) {
121        Cursor c = getCursor();
122        if (c.moveToPosition(position)) {
123            c.getLong(EmailQuery.DATA_ID);
124        }
125        return -1;
126    }
127
128    public RecipientEntry getRecipientEntry(int position) {
129        Cursor c = getCursor();
130        c.moveToPosition(position);
131        return RecipientEntry.constructTopLevelEntry(c.getString(EmailQuery.NAME),
132                c.getString(EmailQuery.ADDRESS), c.getInt(EmailQuery.ADDRESS_TYPE),
133                c.getString(EmailQuery.ADDRESS_LABEL),
134                c.getLong(EmailQuery.CONTACT_ID), c.getLong(EmailQuery.DATA_ID),
135                c.getString(EmailQuery.PHOTO_THUMBNAIL_URI));
136    }
137
138    @Override
139    public View getView(int position, View convertView, ViewGroup parent) {
140        Cursor cursor = getCursor();
141        cursor.moveToPosition(position);
142        if (convertView == null) {
143            convertView = newView();
144        }
145        if (cursor.getLong(EmailQuery.DATA_ID) == mCurrentId) {
146            mCheckedItemPosition = position;
147            if (mCheckedItemChangedListener != null) {
148                mCheckedItemChangedListener.onCheckedItemChanged(mCheckedItemPosition);
149            }
150        }
151        bindView(convertView, convertView.getContext(), cursor);
152        return convertView;
153    }
154
155    // TODO: this is VERY similar to the BaseRecipientAdapter. Can we combine
156    // somehow?
157    @Override
158    public void bindView(View view, Context context, Cursor cursor) {
159        int position = cursor.getPosition();
160
161        TextView display = (TextView) view.findViewById(android.R.id.title);
162        ImageView imageView = (ImageView) view.findViewById(android.R.id.icon);
163        RecipientEntry entry = getRecipientEntry(position);
164        if (position == 0) {
165            display.setText(cursor.getString(EmailQuery.NAME));
166            display.setVisibility(View.VISIBLE);
167            // TODO: see if this needs to be done outside the main thread
168            // as it may be too slow to get immediately.
169            imageView.setImageURI(entry.getPhotoThumbnailUri());
170            imageView.setVisibility(View.VISIBLE);
171        } else {
172            display.setVisibility(View.GONE);
173            imageView.setVisibility(View.GONE);
174        }
175        TextView destination = (TextView) view.findViewById(android.R.id.text1);
176        destination.setText(cursor.getString(EmailQuery.ADDRESS));
177
178        TextView destinationType = (TextView) view.findViewById(android.R.id.text2);
179        if (destinationType != null) {
180            destinationType.setText(Email.getTypeLabel(context.getResources(),
181                    cursor.getInt(EmailQuery.ADDRESS_TYPE),
182                    cursor.getString(EmailQuery.ADDRESS_LABEL)).toString().toUpperCase());
183        }
184    }
185
186    @Override
187    public View newView(Context context, Cursor cursor, ViewGroup parent) {
188        return newView();
189    }
190
191    private View newView() {
192        return mLayoutInflater.inflate(R.layout.chips_recipient_dropdown_item, null);
193    }
194
195    /*package*/ static interface OnCheckedItemChangedListener {
196        public void onCheckedItemChanged(int position);
197    }
198}
199