Wenyi Wang | 1fc3ef4 | 2016-01-14 18:21:40 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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.contacts.callblocking; |
| 18 | |
| 19 | import android.content.ContentValues; |
| 20 | import android.content.Context; |
| 21 | import android.database.Cursor; |
| 22 | import android.os.AsyncTask; |
| 23 | import android.provider.ContactsContract.CommonDataKinds.Phone; |
| 24 | import android.provider.ContactsContract.Contacts; |
| 25 | import android.telephony.PhoneNumberUtils; |
| 26 | import android.text.TextUtils; |
| 27 | import android.util.Log; |
| 28 | import android.widget.Toast; |
| 29 | |
| 30 | import com.android.contacts.R; |
| 31 | import com.android.contacts.common.util.TelephonyManagerUtils; |
| 32 | |
| 33 | import com.google.i18n.phonenumbers.NumberParseException; |
| 34 | import com.google.i18n.phonenumbers.Phonenumber; |
| 35 | import com.google.i18n.phonenumbers.geocoding.PhoneNumberOfflineGeocoder; |
| 36 | |
| 37 | import java.util.Locale; |
| 38 | |
| 39 | /** |
| 40 | * Utility to help with tasks related to filtered numbers. |
| 41 | */ |
| 42 | final public class FilteredNumbersUtil { |
| 43 | |
| 44 | private static final String TAG = "FilteredNumbersUtil"; |
| 45 | |
| 46 | public interface CheckForSendToVoicemailContactListener { |
| 47 | void onComplete(boolean hasSendToVoicemailContact); |
| 48 | } |
| 49 | |
| 50 | public interface ImportSendToVoicemailContactsListener { |
| 51 | void onImportComplete(); |
| 52 | } |
| 53 | |
| 54 | private static class ContactsQuery { |
| 55 | static final String[] PROJECTION = { |
| 56 | Contacts._ID |
| 57 | }; |
| 58 | |
| 59 | // TODO: as user can set "send to voicemail" for a contact that doesn't have a phone number, |
| 60 | // if those are the only contacts that are marked as "send to voicemail", then when you view |
| 61 | // numbers it'll be blank. We should also |
| 62 | static final String SELECT_SEND_TO_VOICEMAIL_TRUE = Contacts.SEND_TO_VOICEMAIL + "=1"; |
| 63 | |
| 64 | static final int ID_COLUMN_INDEX = 0; |
| 65 | } |
| 66 | |
| 67 | public static class PhoneQuery { |
| 68 | static final String[] PROJECTION = { |
| 69 | Contacts._ID, |
| 70 | Phone.NORMALIZED_NUMBER, |
| 71 | Phone.NUMBER |
| 72 | }; |
| 73 | |
| 74 | static final int ID_COLUMN_INDEX = 0; |
| 75 | static final int NORMALIZED_NUMBER_COLUMN_INDEX = 1; |
| 76 | static final int NUMBER_COLUMN_INDEX = 2; |
| 77 | |
| 78 | static final String SELECT_SEND_TO_VOICEMAIL_TRUE = Contacts.SEND_TO_VOICEMAIL + "=1"; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Checks if there exists a contact with {@code Contacts.SEND_TO_VOICEMAIL} set to true. |
| 83 | */ |
| 84 | public static void checkForSendToVoicemailContact( |
| 85 | final Context context, final CheckForSendToVoicemailContactListener listener) { |
| 86 | final AsyncTask task = new AsyncTask<Object, Void, Boolean>() { |
| 87 | @Override |
| 88 | public Boolean doInBackground(Object[] params) { |
| 89 | if (context == null) { |
| 90 | return false; |
| 91 | } |
| 92 | |
| 93 | final Cursor cursor = context.getContentResolver().query( |
| 94 | Contacts.CONTENT_URI, |
| 95 | ContactsQuery.PROJECTION, |
| 96 | ContactsQuery.SELECT_SEND_TO_VOICEMAIL_TRUE, |
| 97 | null, |
| 98 | null); |
| 99 | |
| 100 | boolean hasSendToVoicemailContacts = false; |
| 101 | if (cursor != null) { |
| 102 | try { |
| 103 | hasSendToVoicemailContacts = cursor.getCount() > 0; |
| 104 | } finally { |
| 105 | cursor.close(); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | return hasSendToVoicemailContacts; |
| 110 | } |
| 111 | |
| 112 | @Override |
| 113 | public void onPostExecute(Boolean hasSendToVoicemailContact) { |
| 114 | if (listener != null) { |
| 115 | listener.onComplete(hasSendToVoicemailContact); |
| 116 | } |
| 117 | } |
| 118 | }; |
| 119 | task.execute(); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Blocks all the phone numbers of any contacts marked as SEND_TO_VOICEMAIL, then clears the |
| 124 | * SEND_TO_VOICEMAIL flag on those contacts. |
| 125 | */ |
| 126 | public static void importSendToVoicemailContacts( |
| 127 | final Context context, final ImportSendToVoicemailContactsListener listener) { |
| 128 | final FilteredNumberAsyncQueryHandler mFilteredNumberAsyncQueryHandler = |
| 129 | new FilteredNumberAsyncQueryHandler(context.getContentResolver()); |
| 130 | |
| 131 | final AsyncTask<Object, Void, Boolean> task = new AsyncTask<Object, Void, Boolean>() { |
| 132 | @Override |
| 133 | public Boolean doInBackground(Object[] params) { |
| 134 | if (context == null) { |
| 135 | return false; |
| 136 | } |
| 137 | |
| 138 | // Get the phone number of contacts marked as SEND_TO_VOICEMAIL. |
| 139 | final Cursor phoneCursor = context.getContentResolver().query( |
| 140 | Phone.CONTENT_URI, |
| 141 | PhoneQuery.PROJECTION, |
| 142 | PhoneQuery.SELECT_SEND_TO_VOICEMAIL_TRUE, |
| 143 | null, |
| 144 | null); |
| 145 | |
| 146 | if (phoneCursor == null) { |
| 147 | return false; |
| 148 | } |
| 149 | |
| 150 | try { |
| 151 | while (phoneCursor.moveToNext()) { |
| 152 | final String normalizedNumber = phoneCursor.getString( |
| 153 | PhoneQuery.NORMALIZED_NUMBER_COLUMN_INDEX); |
| 154 | final String number = phoneCursor.getString( |
| 155 | PhoneQuery.NUMBER_COLUMN_INDEX); |
| 156 | if (normalizedNumber != null) { |
| 157 | // Block the phone number of the contact. |
| 158 | mFilteredNumberAsyncQueryHandler.blockNumber( |
| 159 | null, normalizedNumber, number, null); |
| 160 | } |
| 161 | } |
| 162 | } finally { |
| 163 | phoneCursor.close(); |
| 164 | } |
| 165 | |
| 166 | // Clear SEND_TO_VOICEMAIL on all contacts. The setting has been imported to Dialer. |
| 167 | ContentValues newValues = new ContentValues(); |
| 168 | newValues.put(Contacts.SEND_TO_VOICEMAIL, 0); |
| 169 | context.getContentResolver().update( |
| 170 | Contacts.CONTENT_URI, |
| 171 | newValues, |
| 172 | ContactsQuery.SELECT_SEND_TO_VOICEMAIL_TRUE, |
| 173 | null); |
| 174 | |
| 175 | return true; |
| 176 | } |
| 177 | |
| 178 | @Override |
| 179 | public void onPostExecute(Boolean success) { |
| 180 | if (success) { |
| 181 | if (listener != null) { |
| 182 | listener.onImportComplete(); |
| 183 | } |
| 184 | } else if (context != null) { |
| 185 | String toastStr = context.getString(R.string.send_to_voicemail_import_failed); |
| 186 | Toast.makeText(context, toastStr, Toast.LENGTH_SHORT).show(); |
| 187 | } |
| 188 | } |
| 189 | }; |
| 190 | task.execute(); |
| 191 | } |
| 192 | |
| 193 | public static boolean canBlockNumber(Context context, String number, String countryIso) { |
| 194 | final String normalizedNumber = PhoneNumberUtils.formatNumberToE164(number, countryIso); |
| 195 | return !TextUtils.isEmpty(normalizedNumber) |
| 196 | && !PhoneNumberUtils.isEmergencyNumber(normalizedNumber); |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * @return a geographical description string for the specified number. |
| 201 | * @see com.android.i18n.phonenumbers.PhoneNumberOfflineGeocoder |
| 202 | * |
| 203 | * Copied from com.android.dialer.util.PhoneNumberUtil.getGeoDescription(mContext, info.number); |
| 204 | */ |
| 205 | public static String getGeoDescription(Context context, String number) { |
| 206 | if (TextUtils.isEmpty(number)) { |
| 207 | return null; |
| 208 | } |
| 209 | |
| 210 | com.google.i18n.phonenumbers.PhoneNumberUtil util = |
| 211 | com.google.i18n.phonenumbers.PhoneNumberUtil.getInstance(); |
| 212 | PhoneNumberOfflineGeocoder geocoder = PhoneNumberOfflineGeocoder.getInstance(); |
| 213 | |
| 214 | Locale locale = context.getResources().getConfiguration().locale; |
| 215 | String countryIso = TelephonyManagerUtils.getCurrentCountryIso(context, locale); |
| 216 | Phonenumber.PhoneNumber pn = null; |
| 217 | try { |
| 218 | pn = util.parse(number, countryIso); |
| 219 | } catch (NumberParseException e) { |
| 220 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 221 | Log.v(TAG, "getGeoDescription: NumberParseException for incoming number '" + |
| 222 | number + "'"); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | if (pn != null) { |
| 227 | String description = geocoder.getDescriptionForNumber(pn, locale); |
| 228 | return description; |
| 229 | } |
| 230 | |
| 231 | return null; |
| 232 | } |
| 233 | } |