1 /* 2 * Copyright 2019, 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.server.telecom.ui; 18 19 import android.app.Notification; 20 import android.app.NotificationManager; 21 import android.content.Context; 22 import android.os.UserHandle; 23 import android.telecom.Log; 24 25 import com.android.server.telecom.Call; 26 import com.android.server.telecom.CallState; 27 import com.android.server.telecom.CallsManagerListenerBase; 28 import com.android.server.telecom.R; 29 30 /** 31 * Displays a persistent notification whenever there's a call in the AUDIO_PROCESSING state so that 32 * the user is aware that there's some app 33 */ 34 public class AudioProcessingNotification extends CallsManagerListenerBase { 35 36 private static final int AUDIO_PROCESSING_NOTIFICATION_ID = 2; 37 private static final String NOTIFICATION_TAG = 38 AudioProcessingNotification.class.getSimpleName(); 39 40 private final Context mContext; 41 private final NotificationManager mNotificationManager; 42 private Call mCallInAudioProcessing; 43 AudioProcessingNotification(Context context)44 public AudioProcessingNotification(Context context) { 45 mContext = context; 46 mNotificationManager = 47 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 48 } 49 50 @Override onCallStateChanged(Call call, int oldState, int newState)51 public void onCallStateChanged(Call call, int oldState, int newState) { 52 if (newState == CallState.AUDIO_PROCESSING && oldState != CallState.AUDIO_PROCESSING) { 53 showAudioProcessingNotification(call); 54 } else if (oldState == CallState.AUDIO_PROCESSING 55 && newState != CallState.AUDIO_PROCESSING) { 56 cancelAudioProcessingNotification( 57 call.getAssociatedUser()); 58 } 59 } 60 61 @Override onCallAdded(Call call)62 public void onCallAdded(Call call) { 63 if (call.getState() == CallState.AUDIO_PROCESSING) { 64 showAudioProcessingNotification(call); 65 } 66 } 67 68 @Override onCallRemoved(Call call)69 public void onCallRemoved(Call call) { 70 if (call == mCallInAudioProcessing) { 71 cancelAudioProcessingNotification( 72 call.getAssociatedUser()); 73 } 74 } 75 76 /** 77 * Create a system notification for the audio processing call. 78 * 79 * @param call The missed call. 80 */ showAudioProcessingNotification(Call call)81 private void showAudioProcessingNotification(Call call) { 82 Log.i(this, "showAudioProcessingNotification for user = %s", 83 call.getAssociatedUser()); 84 mCallInAudioProcessing = call; 85 86 Notification.Builder builder = new Notification.Builder(mContext, 87 NotificationChannelManager.CHANNEL_ID_AUDIO_PROCESSING); 88 builder.setSmallIcon(R.drawable.ic_phone) 89 .setColor(mContext.getResources().getColor(R.color.theme_color)) 90 .setContentTitle(mContext.getText(R.string.notification_audioProcessing_title)) 91 .setStyle(new Notification.BigTextStyle() 92 .bigText(mContext.getString( 93 R.string.notification_audioProcessing_body, 94 call.getAudioProcessingRequestingApp()))) 95 .setOngoing(true); 96 97 Notification notification = builder.build(); 98 99 mNotificationManager.notifyAsUser(NOTIFICATION_TAG, AUDIO_PROCESSING_NOTIFICATION_ID, 100 notification, mCallInAudioProcessing.getAssociatedUser()); 101 } 102 103 /** Cancels the audio processing notification. */ cancelAudioProcessingNotification(UserHandle userHandle)104 private void cancelAudioProcessingNotification(UserHandle userHandle) { 105 Log.i(this, "cancelAudioProcessingNotification for user = %s", userHandle); 106 mNotificationManager.cancelAsUser(NOTIFICATION_TAG, 107 AUDIO_PROCESSING_NOTIFICATION_ID, userHandle); 108 } 109 } 110