Merge "Forces a back region for sandbox even if gesture nav is disabled." into sc-dev

import androidx.annotation.Nullable;

import com.android.launcher3.ResourceUtils;

import com.android.launcher3.Utilities;

/**

 * Utility class to handle edge swipes for back gestures.

    private final Point mDisplaySize = new Point();

    // The edge width where touch down is allowed

    private int mEdgeWidth;

    private final int mEdgeWidth;

    // The bottom gesture area height

    private int mBottomGestureHeight;

    private final int mBottomGestureHeight;

    // The slop to distinguish between horizontal and vertical motion

    private final float mTouchSlop;

    // Duration after which we consider the event as longpress.

        mBottomGestureHeight =

            ResourceUtils.getNavbarSize(ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, res);

        mEdgeWidth = ResourceUtils.getNavbarSize("config_backGestureInset", res);

        int systemBackRegion = ResourceUtils.getNavbarSize("config_backGestureInset", res);

        // System back region is 0 if gesture nav is not currently enabled.

        mEdgeWidth = systemBackRegion == 0 ? Utilities.dpToPx(18) : systemBackRegion;

    }

    void setViewGroupParent(@Nullable ViewGroup parent) {