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      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.incallui.spam;
     18 
     19 import android.annotation.TargetApi;
     20 import android.content.Context;
     21 import android.database.Cursor;
     22 import android.database.sqlite.SQLiteException;
     23 import android.os.AsyncTask;
     24 import android.os.Build.VERSION_CODES;
     25 import android.provider.CallLog;
     26 import android.provider.CallLog.Calls;
     27 import android.support.annotation.NonNull;
     28 import android.telephony.PhoneNumberUtils;
     29 import android.text.TextUtils;
     30 import com.android.dialer.common.LogUtil;
     31 import com.android.dialer.common.concurrent.AsyncTaskExecutor;
     32 import com.android.dialer.common.concurrent.AsyncTaskExecutors;
     33 import com.android.dialer.telecom.TelecomUtil;
     34 import com.android.dialer.util.PermissionsUtil;
     35 import com.android.incallui.call.DialerCall;
     36 import com.android.incallui.call.DialerCall.CallHistoryStatus;
     37 import java.util.Objects;
     38 
     39 /** Checks if the number is in the call history. */
     40 @TargetApi(VERSION_CODES.M)
     41 public class NumberInCallHistoryTask extends AsyncTask<Void, Void, Integer> {
     42 
     43   public static final String TASK_ID = "number_in_call_history_status";
     44 
     45   private final Context context;
     46   private final Listener listener;
     47   private final String number;
     48   private final String countryIso;
     49 
     50   public NumberInCallHistoryTask(
     51       @NonNull Context context, @NonNull Listener listener, String number, String countryIso) {
     52     this.context = Objects.requireNonNull(context);
     53     this.listener = Objects.requireNonNull(listener);
     54     this.number = number;
     55     this.countryIso = countryIso;
     56   }
     57 
     58   public void submitTask() {
     59     if (!PermissionsUtil.hasPhonePermissions(context)) {
     60       return;
     61     }
     62     AsyncTaskExecutor asyncTaskExecutor = AsyncTaskExecutors.createThreadPoolExecutor();
     63     asyncTaskExecutor.submit(TASK_ID, this);
     64   }
     65 
     66   @Override
     67   @CallHistoryStatus
     68   public Integer doInBackground(Void... params) {
     69     String numberToQuery = number;
     70     String fieldToQuery = Calls.NUMBER;
     71     String normalizedNumber = PhoneNumberUtils.formatNumberToE164(number, countryIso);
     72 
     73     // If we can normalize the number successfully, look in "normalized_number"
     74     // field instead. Otherwise, look for number in "number" field.
     75     if (!TextUtils.isEmpty(normalizedNumber)) {
     76       numberToQuery = normalizedNumber;
     77       fieldToQuery = Calls.CACHED_NORMALIZED_NUMBER;
     78     }
     79     try (Cursor cursor =
     80         context
     81             .getContentResolver()
     82             .query(
     83                 TelecomUtil.getCallLogUri(context),
     84                 new String[] {CallLog.Calls._ID},
     85                 fieldToQuery + " = ?",
     86                 new String[] {numberToQuery},
     87                 null)) {
     88       return cursor != null && cursor.getCount() > 0
     89           ? DialerCall.CALL_HISTORY_STATUS_PRESENT
     90           : DialerCall.CALL_HISTORY_STATUS_NOT_PRESENT;
     91     } catch (SQLiteException e) {
     92       LogUtil.e("NumberInCallHistoryTask.doInBackground", "query call log error", e);
     93       return DialerCall.CALL_HISTORY_STATUS_UNKNOWN;
     94     }
     95   }
     96 
     97   @Override
     98   public void onPostExecute(@CallHistoryStatus Integer callHistoryStatus) {
     99     listener.onComplete(callHistoryStatus);
    100   }
    101 
    102   /** Callback for the async task. */
    103   public interface Listener {
    104 
    105     void onComplete(@CallHistoryStatus int callHistoryStatus);
    106   }
    107 }
    108