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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.input;
import android.annotation.NonNull;
import android.annotation.RequiresPermission;
import android.annotation.SystemApi;
import android.companion.virtual.IVirtualDevice;
import android.graphics.PointF;
import android.os.IBinder;
import android.os.RemoteException;
import android.view.MotionEvent;
import java.io.Closeable;
/**
* A virtual mouse representing a relative input mechanism on a remote device, such as a mouse or
* trackpad.
*
* This registers an InputDevice that is interpreted like a physically-connected device and
* dispatches received events to it.
*
* @hide
*/
@SystemApi
public class VirtualMouse implements Closeable {
private final IVirtualDevice mVirtualDevice;
private final IBinder mToken;
/** @hide */
public VirtualMouse(IVirtualDevice virtualDevice, IBinder token) {
mVirtualDevice = virtualDevice;
mToken = token;
}
@Override
@RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE)
public void close() {
try {
mVirtualDevice.unregisterInputDevice(mToken);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Send a mouse button event to the system.
*
* @param event the event
* @throws IllegalStateException if the display this mouse is associated with is not currently
* targeted
*/
@RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE)
public void sendButtonEvent(@NonNull VirtualMouseButtonEvent event) {
try {
mVirtualDevice.sendButtonEvent(mToken, event);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Sends a scrolling event to the system. See {@link MotionEvent#AXIS_VSCROLL} and
* {@link MotionEvent#AXIS_SCROLL}.
*
* @param event the event
* @throws IllegalStateException if the display this mouse is associated with is not currently
* targeted
*/
@RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE)
public void sendScrollEvent(@NonNull VirtualMouseScrollEvent event) {
try {
mVirtualDevice.sendScrollEvent(mToken, event);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Sends a relative movement event to the system.
*
* @param event the event
* @throws IllegalStateException if the display this mouse is associated with is not currently
* targeted
*/
@RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE)
public void sendRelativeEvent(@NonNull VirtualMouseRelativeEvent event) {
try {
mVirtualDevice.sendRelativeEvent(mToken, event);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Gets the current cursor position.
*
* @return the position, expressed as x and y coordinates
* @throws IllegalStateException if the display this mouse is associated with is not currently
* targeted
*/
@RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE)
public @NonNull PointF getCursorPosition() {
try {
return mVirtualDevice.getCursorPosition(mToken);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
}
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