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      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.common;
     18 
     19 import com.android.i18n.phonenumbers.NumberParseException;
     20 import com.android.i18n.phonenumbers.PhoneNumberUtil;
     21 
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.graphics.Rect;
     25 import android.net.Uri;
     26 import android.provider.ContactsContract;
     27 import android.telephony.PhoneNumberUtils;
     28 import android.text.TextUtils;
     29 import android.view.View;
     30 import android.widget.TextView;
     31 
     32 import com.android.contacts.common.model.account.AccountType;
     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     private static boolean shouldCollapsePhoneNumbers(String number1, String number2) {
     69         // Now do the full phone number thing. split into parts, separated by waiting symbol
     70         // and compare them individually
     71         final String[] dataParts1 = number1.split(WAIT_SYMBOL_AS_STRING);
     72         final String[] dataParts2 = number2.split(WAIT_SYMBOL_AS_STRING);
     73         if (dataParts1.length != dataParts2.length) return false;
     74         final PhoneNumberUtil util = PhoneNumberUtil.getInstance();
     75         for (int i = 0; i < dataParts1.length; i++) {
     76             // Match phone numbers represented by keypad letters, in which case prefer the
     77             // phone number with letters.
     78             final String dataPart1 = PhoneNumberUtils.convertKeypadLettersToDigits(dataParts1[i]);
     79             final String dataPart2 = dataParts2[i];
     80 
     81             // substrings equal? shortcut, don't parse
     82             if (TextUtils.equals(dataPart1, dataPart2)) continue;
     83 
     84             // do a full parse of the numbers
     85             final PhoneNumberUtil.MatchType result = util.isNumberMatch(dataPart1, dataPart2);
     86             switch (result) {
     87                 case NOT_A_NUMBER:
     88                     // don't understand the numbers? let's play it safe
     89                     return false;
     90                 case NO_MATCH:
     91                     return false;
     92                 case EXACT_MATCH:
     93                     break;
     94                 case NSN_MATCH:
     95                     try {
     96                         // For NANP phone numbers, match when one has +1 and the other does not.
     97                         // In this case, prefer the +1 version.
     98                         if (util.parse(dataPart1, null).getCountryCode() == 1) {
     99                             // At this point, the numbers can be either case 1 or 2 below....
    100                             //
    101                             // case 1)
    102                             // +14155551212    <--- country code 1
    103                             //  14155551212    <--- 1 is trunk prefix, not country code
    104                             //
    105                             // and
    106                             //
    107                             // case 2)
    108                             // +14155551212
    109                             //   4155551212
    110                             //
    111                             // From b/7519057, case 2 needs to be equal.  But also that bug, case 3
    112                             // below should not be equal.
    113                             //
    114                             // case 3)
    115                             // 14155551212
    116                             //  4155551212
    117                             //
    118                             // So in order to make sure transitive equality is valid, case 1 cannot
    119                             // be equal.  Otherwise, transitive equality breaks and the following
    120                             // would all be collapsed:
    121                             //   4155551212  |
    122                             //  14155551212  |---->   +14155551212
    123                             // +14155551212  |
    124                             //
    125                             // With transitive equality, the collapsed values should be:
    126                             //   4155551212  |         14155551212
    127                             //  14155551212  |---->   +14155551212
    128                             // +14155551212  |
    129 
    130                             // Distinguish between case 1 and 2 by checking for trunk prefix '1'
    131                             // at the start of number 2.
    132                             if (dataPart2.trim().charAt(0) == '1') {
    133                                 // case 1
    134                                 return false;
    135                             }
    136                             break;
    137                         }
    138                     } catch (NumberParseException e) {
    139                         // This is the case where the first number does not have a country code.
    140                         // examples:
    141                         // (123) 456-7890   &   123-456-7890  (collapse)
    142                         // 0049 (8092) 1234   &   +49/80921234  (unit test says do not collapse)
    143 
    144                         // Check the second number.  If it also does not have a country code, then
    145                         // we should collapse.  If it has a country code, then it's a different
    146                         // number and we should not collapse (this conclusion is based on an
    147                         // existing unit test).
    148                         try {
    149                             util.parse(dataPart2, null);
    150                         } catch (NumberParseException e2) {
    151                             // Number 2 also does not have a country.  Collapse.
    152                             break;
    153                         }
    154                     }
    155                     return false;
    156                 case SHORT_NSN_MATCH:
    157                     return false;
    158                 default:
    159                     throw new IllegalStateException("Unknown result value from phone number " +
    160                             "library");
    161             }
    162         }
    163         return true;
    164     }
    165 
    166     /**
    167      * Returns the {@link android.graphics.Rect} with left, top, right, and bottom coordinates
    168      * that are equivalent to the given {@link android.view.View}'s bounds. This is equivalent to
    169      * how the target {@link android.graphics.Rect} is calculated in
    170      * {@link android.provider.ContactsContract.QuickContact#showQuickContact}.
    171      */
    172     public static Rect getTargetRectFromView(Context context, View view) {
    173         final float appScale = context.getResources().getCompatibilityInfo().applicationScale;
    174         final int[] pos = new int[2];
    175         view.getLocationOnScreen(pos);
    176 
    177         final Rect rect = new Rect();
    178         rect.left = (int) (pos[0] * appScale + 0.5f);
    179         rect.top = (int) (pos[1] * appScale + 0.5f);
    180         rect.right = (int) ((pos[0] + view.getWidth()) * appScale + 0.5f);
    181         rect.bottom = (int) ((pos[1] + view.getHeight()) * appScale + 0.5f);
    182         return rect;
    183     }
    184 
    185     /**
    186      * Returns a header view based on the R.layout.list_separator, where the
    187      * containing {@link android.widget.TextView} is set using the given textResourceId.
    188      */
    189     public static View createHeaderView(Context context, int textResourceId) {
    190         View view = View.inflate(context, R.layout.list_separator, null);
    191         TextView textView = (TextView) view.findViewById(R.id.title);
    192         textView.setText(context.getString(textResourceId));
    193         textView.setAllCaps(true);
    194         return view;
    195     }
    196 
    197     /**
    198      * Returns the intent to launch for the given invitable account type and contact lookup URI.
    199      * This will return null if the account type is not invitable (i.e. there is no
    200      * {@link AccountType#getInviteContactActivityClassName()} or
    201      * {@link AccountType#syncAdapterPackageName}).
    202      */
    203     public static Intent getInvitableIntent(AccountType accountType, Uri lookupUri) {
    204         String syncAdapterPackageName = accountType.syncAdapterPackageName;
    205         String className = accountType.getInviteContactActivityClassName();
    206         if (TextUtils.isEmpty(syncAdapterPackageName) || TextUtils.isEmpty(className)) {
    207             return null;
    208         }
    209         Intent intent = new Intent();
    210         intent.setClassName(syncAdapterPackageName, className);
    211 
    212         intent.setAction(ContactsContract.Intents.INVITE_CONTACT);
    213 
    214         // Data is the lookup URI.
    215         intent.setData(lookupUri);
    216         return intent;
    217     }
    218 }
    219