| /* |
| * 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 com.android.car.arch.common.LiveDataFunctions.mapNonNull; |
| |
| import android.app.Application; |
| import android.graphics.Bitmap; |
| |
| import androidx.lifecycle.AndroidViewModel; |
| import androidx.lifecycle.LiveData; |
| |
| import com.android.car.media.common.source.MediaSource; |
| import com.android.car.media.common.source.MediaSourceViewModel; |
| |
| /** |
| * View model for {@link MusicFragment} |
| */ |
| public final class MusicFragmentViewModel extends AndroidViewModel { |
| |
| private LiveData<MediaSource> mMediaSource; |
| private LiveData<CharSequence> mAppName; |
| private LiveData<Bitmap> mAppIcon; |
| |
| private MediaSourceViewModel mMediaSourceViewModel; |
| |
| public MusicFragmentViewModel(Application application) { |
| super(application); |
| } |
| |
| void init(MediaSourceViewModel mediaSourceViewModel) { |
| if (mMediaSourceViewModel == mediaSourceViewModel) { |
| return; |
| } |
| mMediaSourceViewModel = mediaSourceViewModel; |
| mMediaSource = mMediaSourceViewModel.getPrimaryMediaSource(); |
| mAppName = mapNonNull(mMediaSource, MediaSource::getDisplayName); |
| mAppIcon = mapNonNull(mMediaSource, MediaSource::getRoundPackageIcon); |
| } |
| |
| LiveData<CharSequence> getAppName() { |
| return mAppName; |
| } |
| |
| LiveData<Bitmap> getAppIcon() { |
| return mAppIcon; |
| } |
| } |