1 /**
2  * Copyright (c) 2024, 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 android.app.dream.cts.app;
17 
18 import android.app.dream.cts.app.IControlledDream;
19 import android.app.dream.cts.app.IDreamListener;
20 
21 /**
22  * {@link IDreamProxy} defines the interface of a hub for proxying controllable dreams to listeners.
23  */
24 interface IDreamProxy {
25     /**
26      * Informs any registered listeners that the supplied {@link IControlledDream} is ready for use.
27      */
publishDream(IControlledDream dream)28     void publishDream(IControlledDream dream);
29 
30     /**
31      * Registers a listener to be notified of any future published {@link IControlledDream}.
32      */
registerListener(IDreamListener listener)33     void registerListener(IDreamListener listener);
34 
35     /**
36      * Removes a listener from receiving any future notifications about published
37      * {@link IControlledDream}.
38      */
unregisterListener(IDreamListener listener)39     void unregisterListener(IDreamListener listener);
40 }