1 /*
2  * Copyright (C) 2020 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.settings.panel;
17 
18 /**
19  * PanelContentCallback provides a callback interface for {@link PanelFragment} to receive
20  * events from {@link PanelContent}.
21  */
22 public interface PanelContentCallback {
23 
24     /**
25      * It will be called when customized button state is changed. For example, custom button
26      * would be hidden for specific behavior.
27      */
onCustomizedButtonStateChanged()28     void onCustomizedButtonStateChanged();
29 
30     /**
31      * It will be called when header content is changed. For example, to add/remove a device into
32      * a group
33      */
onHeaderChanged()34     void onHeaderChanged();
35 
36     /**
37      * It will be called when panel requests to close itself.
38      */
forceClose()39     void forceClose();
40 }
41