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Commit ad3a6bf8 authored by Michael Wright's avatar Michael Wright
Browse files

Add class docs for InputMonitor. 

And clear Binder calling identity when monitoring gesture input. This is
a follow up for the review on Ic1e2cd6afea219d0e20b29e7150c9a42b75c7a67.

Bug: 123748692
Test: Manual
Change-Id: I72687fd8790927f76a2a56d4c5e80a4e9f89299c
parent 0454f3b8

core/java/android/view/InputMonitor.java

+7 −0
Original line number Diff line number Diff line
@@ -22,6 +22,13 @@ import android.os.Parcelable; 
import android.os.RemoteException;



/**

 * An {@code InputMonitor} allows privileged applications and components to monitor streams of

 * {@link InputEvent}s without having to be the designated recipient for the event.

 *

 * For example, focus dispatched events would normally only go to the focused window on the

 * targeted display, but an {@code InputMonitor} will also receive a copy of that event if they're

 * registered to monitor that type of event on the targeted display.

 *

 * @hide

 */

public final class InputMonitor implements Parcelable {

services/core/java/com/android/server/input/InputManagerService.java

+11 −5
Original line number Diff line number Diff line
@@ -523,11 +523,17 @@ public class InputManagerService extends IInputManager.Stub 
        }





        final long ident = Binder.clearCallingIdentity();

        try {

            InputChannel[] inputChannels = InputChannel.openInputChannelPair(inputChannelName);

            InputMonitorHost host = new InputMonitorHost(inputChannels[0]);

            inputChannels[0].setToken(host.asBinder());

        nativeRegisterInputMonitor(mPtr, inputChannels[0], displayId, true /*isGestureMonitor*/);

            nativeRegisterInputMonitor(mPtr, inputChannels[0], displayId,

                    true /*isGestureMonitor*/);

            return new InputMonitor(inputChannelName, inputChannels[1], host);

        } finally {

            Binder.restoreCallingIdentity(ident);

        }

    }



    /**