1 /*
2  * Copyright (C) 2021 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.systemui.animation
18 
19 /** A view that can expand/launch into an app or a dialog. */
20 interface LaunchableView {
21     /**
22      * Set whether this view should block/prevent all visibility changes. This ensures that this
23      * view remains invisible during the launch animation given that it is ghosted and already drawn
24      * somewhere else.
25      *
26      * Note that when this is set to true, both the [normal][android.view.View.setVisibility] and
27      * [transition][android.view.View.setTransitionVisibility] visibility changes must be blocked.
28      */
29     fun setShouldBlockVisibilityChanges(block: Boolean)
30 }