@Override
    public void onTouch(int source, Node node, TouchState touchState, float touchPadPos[]){
        VRTComponent component = weakComponent.get();
        if (component == null){
            return;
        }

        WritableMap event = Arguments.createMap();
        event.putInt("source", source);
        event.putInt("touchState", touchState.getTypeId());

        WritableArray touchPos = Arguments.createArray();
        touchPos.pushDouble(touchPadPos[0]);
        touchPos.pushDouble(touchPadPos[1]);
        event.putArray("touchPos", touchPos);

        component.getReactContext().getJSModule(RCTEventEmitter.class).receiveEvent(
                component.getId(),
                ViroEvents.ON_TOUCH,
                event);
    }
Represents all java-to-javascript calls that can be triggered from an EventDelegate.
android/viro_bridge/src/main/java/com/viromedia/bridge/utility/ComponentEventDelegate.java