1/*
2 * Copyright (C) 2013 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.dialer.interactions;
18
19import android.content.BroadcastReceiver;
20import android.content.ContentValues;
21import android.content.Context;
22import android.content.Intent;
23import android.database.Cursor;
24import android.net.Uri;
25import android.provider.ContactsContract;
26import android.provider.ContactsContract.PhoneLookup;
27import android.provider.ContactsContract.PinnedPositions;
28import android.text.TextUtils;
29
30/**
31 * This broadcast receiver is used to listen to outgoing calls and undemote formerly demoted
32 * contacts if a phone call is made to a phone number belonging to that contact.
33 */
34public class UndemoteOutgoingCallReceiver extends BroadcastReceiver {
35
36    private static final long NO_CONTACT_FOUND = -1;
37
38    @Override
39    public void onReceive(final Context context, Intent intent) {
40        if (intent != null && Intent.ACTION_NEW_OUTGOING_CALL.equals(intent.getAction())) {
41            final String number = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
42            if (TextUtils.isEmpty(number)) {
43                return;
44            }
45            final Thread thread = new Thread() {
46                @Override
47                public void run() {
48                    final long id = getContactIdFromPhoneNumber(context, number);
49                    if (id != NO_CONTACT_FOUND) {
50                        undemoteContactWithId(context, id);
51                    }
52                }
53            };
54            thread.start();
55        }
56    }
57
58    private void undemoteContactWithId(Context context, long id) {
59        // If the contact is not demoted, this will not do anything. Otherwise, it will
60        // restore it to an unpinned position. If it was a frequently called contact, it will
61        // show up once again show up on the favorites screen.
62        PinnedPositions.undemote(context.getContentResolver(), id);
63    }
64
65    private long getContactIdFromPhoneNumber(Context context, String number) {
66        final Uri contactUri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI,
67                Uri.encode(number));
68        final Cursor cursor = context.getContentResolver().query(contactUri, new String[] {
69                PhoneLookup._ID}, null, null, null);
70        if (cursor == null) {
71            return NO_CONTACT_FOUND;
72        }
73        try {
74            if (cursor.moveToFirst()) {
75                final long id = cursor.getLong(0);
76                return id;
77            } else {
78                return NO_CONTACT_FOUND;
79            }
80        } finally {
81            cursor.close();
82        }
83    }
84}
85