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      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 
     17 package com.android.dialer.calllogutils;
     18 
     19 import android.content.Context;
     20 import android.provider.CallLog.Calls;
     21 import android.telephony.PhoneNumberUtils;
     22 import android.text.BidiFormatter;
     23 import android.text.TextDirectionHeuristics;
     24 import android.text.TextUtils;
     25 import com.android.dialer.phonenumberutil.PhoneNumberHelper;
     26 import com.google.common.base.Optional;
     27 
     28 /** Helper for formatting and managing the display of phone numbers. */
     29 public class PhoneNumberDisplayUtil {
     30 
     31   /** Returns the string to display for the given phone number if there is no matching contact. */
     32   public static CharSequence getDisplayName(
     33       Context context, CharSequence number, int presentation, boolean isVoicemail) {
     34     Optional<String> presentationString = getNameForPresentation(context, presentation);
     35     if (presentationString.isPresent()) {
     36       return presentationString.get();
     37     }
     38     if (isVoicemail) {
     39       return context.getResources().getString(R.string.voicemail_string);
     40     }
     41     if (PhoneNumberHelper.isLegacyUnknownNumbers(number)) {
     42       return context.getResources().getString(R.string.unknown);
     43     }
     44     return "";
     45   }
     46 
     47   /** Returns the string associated with the given presentation. */
     48   public static Optional<String> getNameForPresentation(Context appContext, int presentation) {
     49     if (presentation == Calls.PRESENTATION_UNKNOWN) {
     50       return Optional.of(appContext.getResources().getString(R.string.unknown));
     51     }
     52     if (presentation == Calls.PRESENTATION_RESTRICTED) {
     53       return Optional.of(PhoneNumberHelper.getDisplayNameForRestrictedNumber(appContext));
     54     }
     55     if (presentation == Calls.PRESENTATION_PAYPHONE) {
     56       return Optional.of(appContext.getResources().getString(R.string.payphone));
     57     }
     58     return Optional.absent();
     59   }
     60 
     61   /**
     62    * Returns the string to display for the given phone number.
     63    *
     64    * @param number the number to display
     65    * @param formattedNumber the formatted number if available, may be null
     66    */
     67   static CharSequence getDisplayNumber(
     68       Context context,
     69       CharSequence number,
     70       int presentation,
     71       CharSequence formattedNumber,
     72       CharSequence postDialDigits,
     73       boolean isVoicemail) {
     74     final CharSequence displayName = getDisplayName(context, number, presentation, isVoicemail);
     75     if (!TextUtils.isEmpty(displayName)) {
     76       return getTtsSpannableLtrNumber(displayName);
     77     }
     78 
     79     if (!TextUtils.isEmpty(formattedNumber)) {
     80       return getTtsSpannableLtrNumber(formattedNumber);
     81     } else if (!TextUtils.isEmpty(number)) {
     82       return getTtsSpannableLtrNumber(number.toString() + postDialDigits);
     83     } else {
     84       return context.getResources().getString(R.string.unknown);
     85     }
     86   }
     87 
     88   /** Returns number annotated as phone number in LTR direction. */
     89   private static CharSequence getTtsSpannableLtrNumber(CharSequence number) {
     90     return PhoneNumberUtils.createTtsSpannable(
     91         BidiFormatter.getInstance().unicodeWrap(number.toString(), TextDirectionHeuristics.LTR));
     92   }
     93 }
     94