86 lines
2.4 KiB
Java
86 lines
2.4 KiB
Java
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.input;
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import android.annotation.RequiresPermission;
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import android.companion.virtual.IVirtualDevice;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.util.Log;
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import java.io.Closeable;
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/**
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* The base class for all virtual input devices such as VirtualKeyboard, VirtualMouse.
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* This implements the shared functionality such as closing the device and keeping track of
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* identifiers.
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*
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* @hide
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*/
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abstract class VirtualInputDevice implements Closeable {
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protected static final String TAG = "VirtualInputDevice";
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/**
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* The virtual device to which this VirtualInputDevice belongs to.
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*/
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protected final IVirtualDevice mVirtualDevice;
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/**
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* The token used to uniquely identify the virtual input device.
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*/
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protected final IBinder mToken;
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protected final VirtualInputDeviceConfig mConfig;
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/** @hide */
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VirtualInputDevice(VirtualInputDeviceConfig config,
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IVirtualDevice virtualDevice, IBinder token) {
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mConfig = config;
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mVirtualDevice = virtualDevice;
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mToken = token;
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}
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/**
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* @return The device id of this device.
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* @hide
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*/
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public int getInputDeviceId() {
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try {
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return mVirtualDevice.getInputDeviceId(mToken);
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} catch (RemoteException e) {
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throw e.rethrowFromSystemServer();
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}
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}
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@Override
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@RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE)
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public void close() {
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Log.d(TAG, "Closing virtual input device " + mConfig.getInputDeviceName());
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try {
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mVirtualDevice.unregisterInputDevice(mToken);
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} catch (RemoteException e) {
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throw e.rethrowFromSystemServer();
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}
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}
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@Override
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public String toString() {
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return mConfig.toString();
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}
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}
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