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Commit 46d8a1e8 authored by Christine Franks's avatar Christine Franks
Browse files

Add pointer acceleration native APIs 

Bug: 202273865
Test: manual
Change-Id: I61cca8e313f183ff421147d25f11819959e4345a
parent 6db68e1d

libs/input/android/os/IInputConstants.aidl

+3 −0
Original line number Diff line number Diff line
@@ -95,4 +95,7 @@ interface IInputConstants 
         */

        INTERCEPTS_STYLUS = 0x00000040,

    }



    /* The default pointer acceleration value. */

    const int DEFAULT_POINTER_ACCELERATION = 3;

}

services/inputflinger/include/InputReaderBase.h

+5 −1
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#ifndef _UI_INPUT_READER_BASE_H

#define _UI_INPUT_READER_BASE_H



#include <android/os/IInputConstants.h>

#include <input/DisplayViewport.h>

#include <input/Input.h>

#include <input/InputDevice.h>
@@ -288,7 +289,10 @@ struct InputReaderConfiguration { 


    InputReaderConfiguration()

          : virtualKeyQuietTime(0),

            pointerVelocityControlParameters(1.0f, 500.0f, 3000.0f, 3.0f),

            pointerVelocityControlParameters(1.0f, 500.0f, 3000.0f,

                                             static_cast<float>(

                                                     android::os::IInputConstants::

                                                             DEFAULT_POINTER_ACCELERATION)),

            wheelVelocityControlParameters(1.0f, 15.0f, 50.0f, 4.0f),

            pointerGesturesEnabled(true),

            pointerGestureQuietInterval(100 * 1000000LL),            // 100 ms