| Neda Topoljanac | 449a871 | 2023-02-15 13:55:04 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2023 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package androidx.wear.protolayout.renderer.dynamicdata; |
| 18 | |
| 19 | import androidx.annotation.NonNull; |
| 20 | import androidx.annotation.Nullable; |
| 21 | import androidx.wear.protolayout.expression.pipeline.DynamicTypeValueReceiver; |
| 22 | |
| 23 | import java.util.List; |
| 24 | |
| 25 | public class AddToListCallback<T> implements DynamicTypeValueReceiver<T> { |
| 26 | private final List<T> mListToUpdate; |
| 27 | @Nullable private final List<Boolean> mInvalidListToUpdate; |
| 28 | |
| 29 | public AddToListCallback(List<T> list) { |
| 30 | this.mListToUpdate = list; |
| 31 | this.mInvalidListToUpdate = null; |
| 32 | } |
| 33 | |
| 34 | public AddToListCallback(List<T> list, @Nullable List<Boolean> invalidList) { |
| 35 | this.mListToUpdate = list; |
| 36 | this.mInvalidListToUpdate = invalidList; |
| 37 | } |
| 38 | |
| 39 | @Override |
| 40 | public void onPreUpdate() {} |
| 41 | |
| 42 | @Override |
| 43 | public void onData(@NonNull T newData) { |
| 44 | mListToUpdate.add(newData); |
| 45 | } |
| 46 | |
| 47 | @Override |
| 48 | public void onInvalidated() { |
| 49 | if (mInvalidListToUpdate != null) { |
| 50 | mInvalidListToUpdate.add(true); |
| 51 | } |
| 52 | } |
| 53 | } |