1 /*
2  * Copyright (C) 2022 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.hardware.input;
18 
19 import android.annotation.NonNull;
20 import android.annotation.RequiresPermission;
21 import android.annotation.SystemApi;
22 import android.companion.virtual.IVirtualDevice;
23 import android.os.IBinder;
24 import android.os.RemoteException;
25 
26 /**
27  * A virtual navigation touchpad representing a touch-based input mechanism on a remote device.
28  *
29  * <p>This registers an InputDevice that is interpreted like a physically-connected device and
30  * dispatches received events to it.
31  *
32  * <p>The virtual touchpad will be in navigation mode. Motion results in focus traversal in the same
33  * manner as D-Pad navigation if the events are not consumed.
34  *
35  * @see android.view.InputDevice#SOURCE_TOUCH_NAVIGATION
36  *
37  * @hide
38  */
39 @SystemApi
40 public class VirtualNavigationTouchpad extends VirtualInputDevice {
41 
42     /** @hide */
VirtualNavigationTouchpad(IVirtualDevice virtualDevice, IBinder token)43     public VirtualNavigationTouchpad(IVirtualDevice virtualDevice, IBinder token) {
44         super(virtualDevice, token);
45     }
46 
47     /**
48      * Sends a touch event to the system.
49      *
50      * @param event the event to send
51      */
52     @RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE)
sendTouchEvent(@onNull VirtualTouchEvent event)53     public void sendTouchEvent(@NonNull VirtualTouchEvent event) {
54         try {
55             mVirtualDevice.sendTouchEvent(mToken, event);
56         } catch (RemoteException e) {
57             throw e.rethrowFromSystemServer();
58         }
59     }
60 }
61