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/*
* Copyright 2019, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.telecom.ui;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.telecom.Log;
import com.android.server.telecom.Call;
import com.android.server.telecom.CallState;
import com.android.server.telecom.CallsManagerListenerBase;
import com.android.server.telecom.R;
/**
* Displays a persistent notification whenever there's a call in the AUDIO_PROCESSING state so that
* the user is aware that there's some app
*/
public class AudioProcessingNotification extends CallsManagerListenerBase {
private static final int AUDIO_PROCESSING_NOTIFICATION_ID = 2;
private static final String NOTIFICATION_TAG =
AudioProcessingNotification.class.getSimpleName();
private final Context mContext;
private final NotificationManager mNotificationManager;
private Call mCallInAudioProcessing;
public AudioProcessingNotification(Context context) {
mContext = context;
mNotificationManager =
(NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
}
@Override
public void onCallStateChanged(Call call, int oldState, int newState) {
if (newState == CallState.AUDIO_PROCESSING && oldState != CallState.AUDIO_PROCESSING) {
showAudioProcessingNotification(call);
} else if (oldState == CallState.AUDIO_PROCESSING
&& newState != CallState.AUDIO_PROCESSING) {
cancelAudioProcessingNotification();
}
}
@Override
public void onCallAdded(Call call) {
if (call.getState() == CallState.AUDIO_PROCESSING) {
showAudioProcessingNotification(call);
}
}
@Override
public void onCallRemoved(Call call) {
if (call == mCallInAudioProcessing) {
cancelAudioProcessingNotification();
}
}
/**
* Create a system notification for the audio processing call.
*
* @param call The missed call.
*/
private void showAudioProcessingNotification(Call call) {
Log.i(this, "showAudioProcessingNotification");
mCallInAudioProcessing = call;
Notification.Builder builder = new Notification.Builder(mContext,
NotificationChannelManager.CHANNEL_ID_AUDIO_PROCESSING);
builder.setSmallIcon(R.drawable.ic_phone)
.setColor(mContext.getResources().getColor(R.color.theme_color))
.setContentTitle(mContext.getText(R.string.notification_audioProcessing_title))
.setStyle(new Notification.BigTextStyle()
.bigText(mContext.getString(
R.string.notification_audioProcessing_body,
call.getAudioProcessingRequestingApp())))
.setOngoing(true);
Notification notification = builder.build();
mNotificationManager.notify(
NOTIFICATION_TAG, AUDIO_PROCESSING_NOTIFICATION_ID, notification);
}
/** Cancels the audio processing notification. */
private void cancelAudioProcessingNotification() {
mNotificationManager.cancel(NOTIFICATION_TAG, AUDIO_PROCESSING_NOTIFICATION_ID);
}
}
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