| /* |
| * Copyright (C) 2018 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.dialer.livedata; |
| |
| import android.telecom.Call; |
| import android.telecom.InCallService; |
| |
| import androidx.annotation.Nullable; |
| import androidx.lifecycle.LiveData; |
| |
| import com.android.car.telephony.common.CallDetail; |
| |
| import java.util.List; |
| |
| /** |
| * Represents the details of an active phone call. |
| */ |
| public class CallDetailLiveData extends LiveData<CallDetail> { |
| |
| private Call mTelecomCall; |
| |
| @Override |
| protected void onActive() { |
| super.onActive(); |
| setTelecomCall(mTelecomCall); |
| } |
| |
| @Override |
| protected void onInactive() { |
| super.onInactive(); |
| setTelecomCall(null); |
| } |
| |
| private Call.Callback mCallback = new Call.Callback() { |
| @Override |
| public void onStateChanged(Call telecomCall, int state) { |
| // no ops |
| } |
| |
| @Override |
| public void onParentChanged(Call telecomCall, Call parent) { |
| // no ops |
| } |
| |
| @Override |
| public void onCallDestroyed(Call telecomCall) { |
| // no ops |
| } |
| |
| @Override |
| public void onDetailsChanged(Call telecomCall, Call.Details details) { |
| setTelecomCallDetail(mTelecomCall); |
| } |
| |
| @Override |
| public void onVideoCallChanged(Call telecomCall, InCallService.VideoCall videoCall) { |
| // no ops |
| } |
| |
| @Override |
| public void onCannedTextResponsesLoaded(Call telecomCall, |
| List<String> cannedTextResponses) { |
| // no ops |
| } |
| |
| @Override |
| public void onChildrenChanged(Call telecomCall, List<Call> children) { |
| // no ops |
| } |
| }; |
| |
| /** |
| * Sets the {@link Call} of which this live data sources. |
| */ |
| public void setTelecomCall(Call telecomCall) { |
| if (mTelecomCall != null) { |
| mTelecomCall.unregisterCallback(mCallback); |
| } |
| mTelecomCall = telecomCall; |
| setTelecomCallDetail(mTelecomCall); |
| if (mTelecomCall != null) { |
| mTelecomCall.registerCallback(mCallback); |
| } |
| } |
| |
| private void setTelecomCallDetail(@Nullable Call telecomCall) { |
| setValue(telecomCall != null ? CallDetail.fromTelecomCallDetail(telecomCall.getDetails()) |
| : null); |
| } |
| } |