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.car.builtin.input;
18 
19 import android.annotation.NonNull;
20 import android.annotation.SystemApi;
21 import android.hardware.input.InputManager;
22 import android.os.IBinder;
23 import android.view.View;
24 
25 /**
26  * Helper for {@link InputManager}
27  *
28  * @hide
29  */
30 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
31 public class InputManagerHelper {
32 
InputManagerHelper()33     private InputManagerHelper() {
34         throw new UnsupportedOperationException();
35     }
36 
37     /**
38      * Injects the event passed as parameter in async mode.
39      *
40      * @param inputManager the Android input manager used to inject the event
41      * @param event        the event to inject
42      * @return {@code true} if injection succeeds
43      */
injectInputEvent(@onNull InputManager inputManager, @NonNull android.view.InputEvent event)44     public static boolean injectInputEvent(@NonNull InputManager inputManager,
45             @NonNull android.view.InputEvent event) {
46         return inputManager.injectInputEvent(event, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
47     }
48 
49     /**
50      * See {@link InputManager#pilferPointers(IBinder)}.
51      */
pilferPointers(@onNull InputManager inputManager, @NonNull View v)52     public static void pilferPointers(@NonNull InputManager inputManager, @NonNull View v) {
53         inputManager.pilferPointers(v.getViewRootImpl().getInputToken());
54     }
55 
56     /**
57      * See {@link InputManager#addUniqueIdAssociationByDescriptor(String, String)}.
58      */
addUniqueIdAssociationByDescriptor(@onNull InputManager inputManager, @NonNull String inputDeviceDescriptor, @NonNull String displayUniqueId)59     public static void addUniqueIdAssociationByDescriptor(@NonNull InputManager inputManager,
60             @NonNull String inputDeviceDescriptor,
61             @NonNull String displayUniqueId) {
62         // TODO(b/341949977): Improve addUniqueIdAssociationByDescriptor to handle incorrect
63         // input
64         inputManager.addUniqueIdAssociationByDescriptor(inputDeviceDescriptor, displayUniqueId);
65     }
66 
67     /**
68      * See {@link InputManager#removeUniqueIdAssociationByDescriptor(String)}.
69      */
removeUniqueIdAssociationByDescriptor(@onNull InputManager inputManager, @NonNull String inputDeviceDescriptor)70     public static void removeUniqueIdAssociationByDescriptor(@NonNull InputManager inputManager,
71             @NonNull String inputDeviceDescriptor) {
72         // TODO(b/341949977): Improve removeUniqueIdAssociationByDescriptor to handle incorrect
73         // input
74         inputManager.removeUniqueIdAssociationByDescriptor(inputDeviceDescriptor);
75     }
76 }
77