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Commit 9e1328e6 authored by Lior Barenboim's avatar Lior Barenboim Committed by Gerrit - the friendly Code Review server
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Ultrasound: Filter out the special key event for digital pen hovering cursor 

Ultrasound hovering cursor uses a special key event. This event is relevant
only for the InputReader that shows/hides the cursor accordingly.
Therefore, if the event  is sent from the ultrasound device it is filtered
out in the InputReader and is not sent to applications.

Change-Id: Id3a9718be6bdb144e80bfa32c0a18a9900071167
parent b3cf0462

services/inputflinger/InputReader.cpp

+8 −0
Original line number Diff line number Diff line
@@ -58,6 +58,9 @@ 
#define INDENT4 "        "

#define INDENT5 "          "



// Ultrasound device name.

#define USF_DEVICE_NAME "usf_tsc"



namespace android {



// --- Constants ---
@@ -2088,6 +2091,11 @@ void KeyboardInputMapper::process(const RawEvent* rawEvent) { 
                keyCode = AKEYCODE_UNKNOWN;

                flags = 0;

            }

            InputDeviceIdentifier identifier = getEventHub()->getDeviceIdentifier(rawEvent->deviceId);

            if ((identifier.name == USF_DEVICE_NAME) && (scanCode == BTN_USF_HOVERING_CURSOR))

            {

                break;

            }

            processKey(rawEvent->when, rawEvent->value != 0, keyCode, scanCode, flags);

        }

        break;