1 /* 2 * Copyright (C) 2012 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; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.graphics.Rect; 22 import android.net.Uri; 23 import android.provider.ContactsContract; 24 import android.telephony.PhoneNumberUtils; 25 import android.text.TextUtils; 26 import android.view.View; 27 import android.widget.TextView; 28 29 import com.android.contacts.model.account.AccountType; 30 31 import com.google.i18n.phonenumbers.NumberParseException; 32 import com.google.i18n.phonenumbers.PhoneNumberUtil; 33 34 /** 35 * Shared static contact utility methods. 36 */ 37 public class MoreContactUtils { 38 39 private static final String WAIT_SYMBOL_AS_STRING = String.valueOf(PhoneNumberUtils.WAIT); 40 41 /** 42 * Returns true if two data with mimetypes which represent values in contact entries are 43 * considered equal for collapsing in the GUI. For caller-id, use 44 * {@link android.telephony.PhoneNumberUtils#compare(android.content.Context, String, String)} 45 * instead 46 */ 47 public static boolean shouldCollapse(CharSequence mimetype1, CharSequence data1, 48 CharSequence mimetype2, CharSequence data2) { 49 // different mimetypes? don't collapse 50 if (!TextUtils.equals(mimetype1, mimetype2)) return false; 51 52 // exact same string? good, bail out early 53 if (TextUtils.equals(data1, data2)) return true; 54 55 // so if either is null, these two must be different 56 if (data1 == null || data2 == null) return false; 57 58 // if this is not about phone numbers, we know this is not a match (of course, some 59 // mimetypes could have more sophisticated matching is the future, e.g. addresses) 60 if (!TextUtils.equals(ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE, 61 mimetype1)) { 62 return false; 63 } 64 65 return shouldCollapsePhoneNumbers(data1.toString(), data2.toString()); 66 } 67 68 // TODO: Move this to PhoneDataItem.shouldCollapse override 69 private static boolean shouldCollapsePhoneNumbers(String number1, String number2) { 70 // Work around to address b/20724444. We want to distinguish between #555, *555 and 555. 71 // This makes no attempt to distinguish between 555 and 55*5, since 55*5 is an improbable 72 // number. PhoneNumberUtil already distinguishes between 555 and 55#5. 73 if (number1.contains("#") != number2.contains("#") 74 || number1.contains("*") != number2.contains("*")) { 75 return false; 76 } 77 78 // Now do the full phone number thing. split into parts, separated by waiting symbol 79 // and compare them individually 80 final String[] dataParts1 = number1.split(WAIT_SYMBOL_AS_STRING); 81 final String[] dataParts2 = number2.split(WAIT_SYMBOL_AS_STRING); 82 if (dataParts1.length != dataParts2.length) return false; 83 final PhoneNumberUtil util = PhoneNumberUtil.getInstance(); 84 for (int i = 0; i < dataParts1.length; i++) { 85 // Match phone numbers represented by keypad letters, in which case prefer the 86 // phone number with letters. 87 final String dataPart1 = PhoneNumberUtils.convertKeypadLettersToDigits(dataParts1[i]); 88 final String dataPart2 = dataParts2[i]; 89 90 // substrings equal? shortcut, don't parse 91 if (TextUtils.equals(dataPart1, dataPart2)) continue; 92 93 // do a full parse of the numbers 94 final PhoneNumberUtil.MatchType result = util.isNumberMatch(dataPart1, dataPart2); 95 switch (result) { 96 case NOT_A_NUMBER: 97 // don't understand the numbers? let's play it safe 98 return false; 99 case NO_MATCH: 100 return false; 101 case EXACT_MATCH: 102 break; 103 case NSN_MATCH: 104 try { 105 // For NANP phone numbers, match when one has +1 and the other does not. 106 // In this case, prefer the +1 version. 107 if (util.parse(dataPart1, null).getCountryCode() == 1) { 108 // At this point, the numbers can be either case 1 or 2 below.... 109 // 110 // case 1) 111 // +14155551212 <--- country code 1 112 // 14155551212 <--- 1 is trunk prefix, not country code 113 // 114 // and 115 // 116 // case 2) 117 // +14155551212 118 // 4155551212 119 // 120 // From b/7519057, case 2 needs to be equal. But also that bug, case 3 121 // below should not be equal. 122 // 123 // case 3) 124 // 14155551212 125 // 4155551212 126 // 127 // So in order to make sure transitive equality is valid, case 1 cannot 128 // be equal. Otherwise, transitive equality breaks and the following 129 // would all be collapsed: 130 // 4155551212 | 131 // 14155551212 |----> +14155551212 132 // +14155551212 | 133 // 134 // With transitive equality, the collapsed values should be: 135 // 4155551212 | 14155551212 136 // 14155551212 |----> +14155551212 137 // +14155551212 | 138 139 // Distinguish between case 1 and 2 by checking for trunk prefix '1' 140 // at the start of number 2. 141 if (dataPart2.trim().charAt(0) == '1') { 142 // case 1 143 return false; 144 } 145 break; 146 } 147 } catch (NumberParseException e) { 148 // This is the case where the first number does not have a country code. 149 // examples: 150 // (123) 456-7890 & 123-456-7890 (collapse) 151 // 0049 (8092) 1234 & +49/80921234 (unit test says do not collapse) 152 153 // Check the second number. If it also does not have a country code, then 154 // we should collapse. If it has a country code, then it's a different 155 // number and we should not collapse (this conclusion is based on an 156 // existing unit test). 157 try { 158 util.parse(dataPart2, null); 159 } catch (NumberParseException e2) { 160 // Number 2 also does not have a country. Collapse. 161 break; 162 } 163 } 164 return false; 165 case SHORT_NSN_MATCH: 166 return false; 167 default: 168 throw new IllegalStateException("Unknown result value from phone number " + 169 "library"); 170 } 171 } 172 return true; 173 } 174 175 /** 176 * Returns the {@link android.graphics.Rect} with left, top, right, and bottom coordinates 177 * that are equivalent to the given {@link android.view.View}'s bounds. This is equivalent to 178 * how the target {@link android.graphics.Rect} is calculated in 179 * {@link android.provider.ContactsContract.QuickContact#showQuickContact}. 180 */ 181 public static Rect getTargetRectFromView(View view) { 182 final int[] pos = new int[2]; 183 view.getLocationOnScreen(pos); 184 185 final Rect rect = new Rect(); 186 rect.left = pos[0]; 187 rect.top = pos[1]; 188 rect.right = pos[0] + view.getWidth(); 189 rect.bottom = pos[1] + view.getHeight(); 190 return rect; 191 } 192 193 /** 194 * Returns a header view based on the R.layout.list_separator, where the 195 * containing {@link android.widget.TextView} is set using the given textResourceId. 196 */ 197 public static TextView createHeaderView(Context context, int textResourceId) { 198 final TextView textView = (TextView) View.inflate(context, R.layout.list_separator, null); 199 textView.setText(context.getString(textResourceId)); 200 return textView; 201 } 202 203 /** 204 * Set the top padding on the header view dynamically, based on whether the header is in 205 * the first row or not. 206 */ 207 public static void setHeaderViewBottomPadding(Context context, TextView textView, 208 boolean isFirstRow) { 209 final int topPadding; 210 if (isFirstRow) { 211 topPadding = (int) context.getResources().getDimension( 212 R.dimen.frequently_contacted_title_top_margin_when_first_row); 213 } else { 214 topPadding = (int) context.getResources().getDimension( 215 R.dimen.frequently_contacted_title_top_margin); 216 } 217 textView.setPaddingRelative(textView.getPaddingStart(), topPadding, 218 textView.getPaddingEnd(), textView.getPaddingBottom()); 219 } 220 221 222 /** 223 * Returns the intent to launch for the given invitable account type and contact lookup URI. 224 * This will return null if the account type is not invitable (i.e. there is no 225 * {@link AccountType#getInviteContactActivityClassName()} or 226 * {@link AccountType#syncAdapterPackageName}). 227 */ 228 public static Intent getInvitableIntent(AccountType accountType, Uri lookupUri) { 229 String syncAdapterPackageName = accountType.syncAdapterPackageName; 230 String className = accountType.getInviteContactActivityClassName(); 231 if (TextUtils.isEmpty(syncAdapterPackageName) || TextUtils.isEmpty(className)) { 232 return null; 233 } 234 Intent intent = new Intent(); 235 intent.setClassName(syncAdapterPackageName, className); 236 237 intent.setAction(ContactsContract.Intents.INVITE_CONTACT); 238 239 // Data is the lookup URI. 240 intent.setData(lookupUri); 241 return intent; 242 } 243 } 244