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 
17 package com.android.internal.widget;
18 
19 import android.graphics.drawable.Icon;
20 
21 import androidx.annotation.NonNull;
22 import androidx.annotation.Nullable;
23 
24 /**
25  * An interface used for Notification views to delegate handling the loading of icons.
26  */
27 public interface NotificationIconManager {
28 
29     /**
30      * Called when a new icon is provided to display.
31      *
32      * @param drawableConsumer a consumer, which can display the loaded drawable.
33      * @param icon             the updated icon to be displayed.
34      *
35      * @return a {@link Runnable} that sets the drawable on the consumer
36      */
37     @NonNull
updateIcon( @onNull NotificationDrawableConsumer drawableConsumer, @Nullable Icon icon )38     Runnable updateIcon(
39             @NonNull NotificationDrawableConsumer drawableConsumer,
40             @Nullable Icon icon
41     );
42 }
43