1 /* 2 * Copyright (C) 2022 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 com.android.quickstep.util; 18 19 import android.annotation.NonNull; 20 import android.os.UserHandle; 21 22 import com.android.systemui.shared.recents.model.Task; 23 import com.android.systemui.shared.recents.model.ThumbnailData; 24 25 /** 26 * Listener for receiving various task properties changes 27 */ 28 public interface TaskVisualsChangeListener { 29 30 /** 31 * Called when the task thumbnail changes 32 */ onTaskThumbnailChanged(int taskId, ThumbnailData thumbnailData)33 default Task onTaskThumbnailChanged(int taskId, ThumbnailData thumbnailData) { 34 return null; 35 } 36 37 /** 38 * Called when the icon for a task changes 39 */ onTaskIconChanged(@onNull String pkg, @NonNull UserHandle user)40 default void onTaskIconChanged(@NonNull String pkg, @NonNull UserHandle user) {} 41 42 /** 43 * Called when the icon for a task changes 44 */ onTaskIconChanged(int taskId)45 default void onTaskIconChanged(int taskId) {} 46 } 47