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/*
* Copyright (c) 2016, 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.car.stream.telecom;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;
import android.telecom.Call;
import android.telecom.CallAudioState;
import android.telecom.InCallService;
import android.util.Log;
/**
* {@link InCallService} to listen for incoming calls and changes in call state.
*/
public class StreamInCallService extends InCallService {
public static final String LOCAL_INCALL_SERVICE_BIND_ACTION = "stream_incall_service_action";
private static final String TAG = "StreamInCallService";
private final IBinder mBinder = new StreamInCallServiceBinder();
private InCallServiceCallback mCallback;
/**
* Callback interface to receive changes in the call state.
*/
public interface InCallServiceCallback {
void onCallAdded(Call call);
void onCallRemoved(Call call);
void onCallAudioStateChanged(CallAudioState audioState);
}
public class StreamInCallServiceBinder extends Binder {
StreamInCallService getService() {
return StreamInCallService.this;
}
}
public void setCallback(InCallServiceCallback callback) {
mCallback = callback;
}
@Override
public IBinder onBind(Intent intent) {
// This service can be bound by the framework or a local stream producer.
// Check the action and return the appropriate IBinder.
if (LOCAL_INCALL_SERVICE_BIND_ACTION.equals(intent.getAction())) {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG, "onBind with action: LOCAL_INCALL_SERVICE_BIND_ACTION," +
" returning StreamInCallServiceBinder");
}
return mBinder;
}
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG, "onBind without action specified, returning InCallService");
}
return super.onBind(intent);
}
@Override
public void onCallAdded(Call call) {
if (mCallback != null) {
mCallback.onCallAdded(call);
}
}
@Override
public void onCallRemoved(Call call) {
if (mCallback != null) {
mCallback.onCallRemoved(call);
}
}
@Override
public void onCallAudioStateChanged(CallAudioState audioState) {
if (mCallback != null) {
mCallback.onCallAudioStateChanged(audioState);
}
super.onCallAudioStateChanged(audioState);
}
public boolean isMuted() {
CallAudioState audioState = getCallAudioState();
return audioState != null && audioState.isMuted();
}
}
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