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/*-
 * ========================START=================================
 * Organization: Universal Character/Graphics display library
 * Project: UCGDisplay :: Native :: Input
 * Filename: InputDeviceTest.java
 *
 * ---------------------------------------------------------
 * %%
 * Copyright (C) 2018 Universal Character/Graphics display library
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * =========================END==================================
 */
package com.ibasco.ucgdisplay.core.input;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class InputDeviceTest {

    public static final Logger log = LoggerFactory.getLogger(InputDeviceTest.class);

    public InputDeviceTest() {
    }

    public void run() throws Exception {
        log.info("Running");

        InputDevice[] devices = InputDeviceManager.getInputDevices();

        if (devices != null) {
            int ctr = 1;
            for (InputDevice dev : devices) {
                if (dev == null)
                    continue;
                log.info(String.format("%d) Device: %s, Total Events: %d", ctr++, dev.getDevicePath(), dev.getEventTypes().size()));

                for (InputEventType type : dev.getEventTypes()) {

                    log.info("- Type: " + type.toString());
                    for (InputEventCode code : type.getCodes()) {
                        log.info("\t" + code.toString());
                        if ("EV_ABS".equals(type.getKey())) {
                            log.info("\t\tABS data: " + code.getAbsData());
                        }
                    }
                }
            }

            InputDevice dev = InputDeviceManager.queryDevice("/dev/input/event0");

            if (dev != null)
                log.info("Got Device: {}", dev);
        }

        //log.info("Initializing Listeners");
        InputDeviceManager.addInputEventListener(this::rawInputEventHandler);
        InputDeviceManager.addDeviceStateEventListener(this::deviceStateHandler);

        //log.info("Starting input event monitor");
        InputDeviceManager.startInputEventMonitor();

        while (true)
            Thread.sleep(100);
    }

    private void deviceStateHandler(DeviceStateEvent deviceStateEvent) {
        if (deviceStateEvent != null)
            log.info("Device State Event: (Device={}, Action={}, Path={})", deviceStateEvent.getDevice().getName(), deviceStateEvent.getAction(), deviceStateEvent.getDevice().getDevicePath());
        else
            log.info("null device state event");
    }

    private void rawInputEventHandler(RawInputEvent rawInputEvent) {
        if (rawInputEvent == null) {
            log.info("Null input event");
            return;
        }
        if (rawInputEvent.getType() == 1)
            log.info("Key Event = ({})", rawInputEvent);
        else if (rawInputEvent.getType() == 2)
            log.info("Mouse Event = {}", rawInputEvent);
        else {
            log.info("Unhandled Event: {}", rawInputEvent);
        }
    }

    public static void main(String[] args) throws Exception {
        new InputDeviceTest().run();
    }
}