| /* |
| * Copyright (C) 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 android.car.cluster; |
| |
| import static androidx.lifecycle.Transformations.map; |
| |
| import android.app.Application; |
| import android.content.Context; |
| import android.telephony.PhoneStateListener; |
| import android.telephony.TelephonyManager; |
| |
| import androidx.lifecycle.AndroidViewModel; |
| import androidx.lifecycle.LiveData; |
| import androidx.lifecycle.MutableLiveData; |
| |
| import com.android.car.telephony.common.Contact; |
| import com.android.car.telephony.common.InMemoryPhoneBook; |
| import com.android.car.telephony.common.TelecomUtils.PhoneNumberInfo; |
| |
| /** |
| * View model for {@link PhoneFragment} |
| */ |
| public final class PhoneFragmentViewModel extends AndroidViewModel { |
| private MutableLiveData<Long> mConnectTime = new MutableLiveData<>(); |
| private MutableLiveData<Integer> mState = new MutableLiveData<>(); |
| private MutableLiveData<String> mNumber = new MutableLiveData<>(); |
| private LiveData<String> mBody; |
| private LiveData<ContactInfo> mContactInfo; |
| |
| private PhoneStateCallback mCallback; |
| private ClusterPhoneStateListener mPhoneStateListener = new ClusterPhoneStateListener(); |
| |
| public PhoneFragmentViewModel(Application application) { |
| super(application); |
| |
| TelephonyManager telephonyManager = (TelephonyManager) application.getSystemService( |
| Context.TELEPHONY_SERVICE); |
| |
| // We have to keep a reference to the PhoneStateListener around to prevent it from being |
| // garbage-collected. |
| telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); |
| |
| LiveData<PhoneNumberInfo> numberInfo = new PhoneNumberInfoLiveData( |
| getApplication(), mNumber); |
| mBody = new SelfRefreshDescriptionLiveData( |
| getApplication(), mState, numberInfo, mConnectTime); |
| |
| mContactInfo = map(numberInfo, ContactInfo::new); |
| } |
| |
| public interface PhoneStateCallback { |
| void onCall(); |
| |
| void onDisconnect(); |
| } |
| |
| public LiveData<Integer> getState() { |
| return mState; |
| } |
| |
| public LiveData<String> getBody() { |
| return mBody; |
| } |
| |
| public LiveData<ContactInfo> getContactInfo() { |
| return mContactInfo; |
| } |
| |
| public void setPhoneStateCallback(PhoneStateCallback callback) { |
| mCallback = callback; |
| } |
| |
| /** |
| * Listens to phone state changes |
| */ |
| private class ClusterPhoneStateListener extends PhoneStateListener { |
| ClusterPhoneStateListener() { |
| } |
| |
| @Override |
| public void onCallStateChanged(int state, String incomingNumber) { |
| super.onCallStateChanged(state, incomingNumber); |
| |
| mState.setValue(state); |
| mNumber.setValue(incomingNumber); |
| |
| if (state == TelephonyManager.CALL_STATE_IDLE) { |
| if (mCallback != null) { |
| mCallback.onDisconnect(); |
| } |
| } else if (state == TelephonyManager.CALL_STATE_RINGING) { |
| if (mCallback != null) { |
| mCallback.onCall(); |
| } |
| } else if (state == TelephonyManager.CALL_STATE_OFFHOOK) { |
| mConnectTime.setValue(System.currentTimeMillis()); |
| if (mCallback != null) { |
| mCallback.onCall(); |
| } |
| } |
| } |
| } |
| |
| public class ContactInfo { |
| private String mNumber; |
| private String mDisplayName; |
| private Contact mContact; |
| |
| public ContactInfo(PhoneNumberInfo info) { |
| mNumber = info.getPhoneNumber(); |
| mDisplayName = info.getDisplayName(); |
| mContact = InMemoryPhoneBook.get().lookupContactEntry(info.getPhoneNumber()); |
| } |
| |
| public String getNumber() { |
| return mNumber; |
| } |
| |
| public String getDisplayName() { |
| return mDisplayName; |
| } |
| |
| public Contact getContact() { |
| return mContact; |
| } |
| } |
| } |