1 /* 2 * Copyright (C) 2017 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.voicemail.listui.error; 18 19 import android.annotation.TargetApi; 20 import android.content.Context; 21 import android.database.Cursor; 22 import android.os.Build.VERSION_CODES; 23 import android.provider.VoicemailContract.Status; 24 import android.support.annotation.Nullable; 25 import com.android.dialer.common.concurrent.DialerExecutor.Worker; 26 import com.android.dialer.telecom.TelecomUtil; 27 import com.android.dialer.voicemailstatus.VoicemailStatusQuery; 28 import com.android.voicemail.VoicemailComponent; 29 import java.util.ArrayList; 30 import java.util.List; 31 32 /** 33 * Worker for {@link com.android.dialer.common.concurrent.DialerExecutors} to fetch voicemail status 34 */ 35 @TargetApi(VERSION_CODES.M) 36 public class VoicemailStatusWorker implements Worker<Context, List<VoicemailStatus>> { 37 38 @Nullable 39 @Override 40 public List<VoicemailStatus> doInBackground(@Nullable Context context) throws Throwable { 41 List<VoicemailStatus> statuses = new ArrayList<>(); 42 if (!TelecomUtil.hasReadWriteVoicemailPermissions(context)) { 43 return statuses; 44 } 45 StringBuilder where = new StringBuilder(); 46 java.util.List<String> selectionArgs = new ArrayList<>(); 47 48 VoicemailComponent.get(context) 49 .getVoicemailClient() 50 .appendOmtpVoicemailStatusSelectionClause(context, where, selectionArgs); 51 52 try (Cursor cursor = 53 context 54 .getContentResolver() 55 .query( 56 Status.CONTENT_URI, 57 VoicemailStatusQuery.getProjection(), 58 where.toString(), 59 selectionArgs.toArray(new String[selectionArgs.size()]), 60 null)) { 61 if (cursor == null) { 62 return statuses; 63 } 64 65 for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) { 66 statuses.add(new VoicemailStatus(context, cursor)); 67 } 68 } 69 70 return statuses; 71 } 72 } 73
