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 android.gui;
18 
19 
20 /**
21   * Input event drop modes: Input event drop options for windows and its children.
22   *
23   * @hide
24   */
25 @Backing(type="int")
26 enum DropInputMode {
27     /**
28       * Default mode, input events are sent to the target as usual.
29       */
30     NONE,
31 
32     /**
33       * Window and its children will not receive any input even if it has a valid input channel.
34       * Touches and keys will be dropped. If a window is focused, it will remain focused but will
35       * not receive any keys. If the window has a touchable region and is the target of an input
36       * event, the event will be dropped and will not go to the window behind. ref: b/197296414
37       */
38     ALL,
39 
40     /**
41       * Similar to DROP but input events are only dropped if the window is considered to be
42       * obscured. ref: b/197364677
43       */
44     OBSCURED
45 }
46