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 package com.android.voicemail.impl.transcribe; 17 18 import android.app.job.JobInfo; 19 import android.app.job.JobScheduler; 20 import android.app.job.JobWorkItem; 21 import android.content.ComponentName; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.net.Uri; 25 import android.support.annotation.WorkerThread; 26 import android.support.v4.app.JobIntentService; 27 import android.support.v4.os.BuildCompat; 28 import android.telecom.PhoneAccountHandle; 29 import com.android.dialer.common.LogUtil; 30 import com.android.dialer.common.concurrent.ThreadUtil; 31 import com.android.dialer.constants.ScheduledJobIds; 32 import java.util.List; 33 34 /** 35 * JobScheduler service for transcribing old voicemails. This service does a database scan for 36 * un-transcribed voicemails and schedules transcription tasks for them, once we have an un-metered 37 * network connection. 38 */ 39 public class TranscriptionBackfillService extends JobIntentService { 40 41 /** Schedule a task to scan the database for untranscribed voicemails */ scheduleTask(Context context, PhoneAccountHandle account)42 public static boolean scheduleTask(Context context, PhoneAccountHandle account) { 43 if (BuildCompat.isAtLeastO()) { 44 LogUtil.enterBlock("TranscriptionBackfillService.transcribeOldVoicemails"); 45 ComponentName componentName = new ComponentName(context, TranscriptionBackfillService.class); 46 JobInfo.Builder builder = 47 new JobInfo.Builder(ScheduledJobIds.VVM_TRANSCRIPTION_BACKFILL_JOB, componentName) 48 .setRequiredNetworkType(JobInfo.NETWORK_TYPE_UNMETERED); 49 JobScheduler scheduler = context.getSystemService(JobScheduler.class); 50 return scheduler.enqueue(builder.build(), makeWorkItem(account)) 51 == JobScheduler.RESULT_SUCCESS; 52 } else { 53 LogUtil.i("TranscriptionBackfillService.transcribeOldVoicemails", "not supported"); 54 return false; 55 } 56 } 57 makeWorkItem(PhoneAccountHandle account)58 private static JobWorkItem makeWorkItem(PhoneAccountHandle account) { 59 Intent intent = new Intent(); 60 intent.putExtra(TranscriptionService.EXTRA_ACCOUNT_HANDLE, account); 61 return new JobWorkItem(intent); 62 } 63 64 @Override 65 @WorkerThread onHandleWork(Intent intent)66 protected void onHandleWork(Intent intent) { 67 LogUtil.enterBlock("TranscriptionBackfillService.onHandleWork"); 68 69 TranscriptionDbHelper dbHelper = new TranscriptionDbHelper(this); 70 List<Uri> untranscribed = dbHelper.getUntranscribedVoicemails(); 71 LogUtil.i( 72 "TranscriptionBackfillService.onHandleWork", 73 "found " + untranscribed.size() + " untranscribed voicemails"); 74 // TODO(mdooley): Consider doing the actual transcriptions here instead of scheduling jobs. 75 for (Uri uri : untranscribed) { 76 ThreadUtil.postOnUiThread( 77 () -> { 78 TranscriptionService.scheduleNewVoicemailTranscriptionJob(this, uri, null, false); 79 }); 80 } 81 } 82 83 @Override onDestroy()84 public void onDestroy() { 85 LogUtil.enterBlock("TranscriptionBackfillService.onDestroy"); 86 super.onDestroy(); 87 } 88 } 89