1 /* 2 * Copyright (C) 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 package com.android.internal.widget.remotecompose.core; 17 18 import android.annotation.NonNull; 19 20 import com.android.internal.widget.remotecompose.core.serialize.Serializable; 21 22 /** 23 * PaintOperation interface, used for operations aimed at painting (while any operation _can_ paint, 24 * this make it a little more explicit) 25 */ 26 public abstract class PaintOperation extends Operation implements Serializable { 27 28 @Override apply(@onNull RemoteContext context)29 public void apply(@NonNull RemoteContext context) { 30 if (context.getMode() == RemoteContext.ContextMode.PAINT) { 31 PaintContext paintContext = context.getPaintContext(); 32 if (paintContext != null) { 33 paint(paintContext); 34 } 35 } 36 } 37 38 @NonNull 39 @Override deepToString(@onNull String indent)40 public String deepToString(@NonNull String indent) { 41 return indent + toString(); 42 } 43 44 /** 45 * Paint the operation in the context 46 * 47 * @param context painting context 48 */ paint(@onNull PaintContext context)49 public abstract void paint(@NonNull PaintContext context); 50 51 /** 52 * Will return true if the operation is similar enough to the current one, in the context of an 53 * animated transition. 54 */ suitableForTransition(@onNull Operation op)55 public boolean suitableForTransition(@NonNull Operation op) { 56 // by default expects the op to not be suitable 57 return false; 58 } 59 } 60