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   1 /**
   2  * Copyright (c) 2010-2021 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.nanoleaf.internal.handler;
  14
  15 import static org.openhab.binding.nanoleaf.internal.NanoleafBindingConstants.*;
  16
  17 import java.net.URI;
  18 import java.nio.ByteBuffer;
  19 import java.nio.charset.StandardCharsets;
  20 import java.util.List;
  21 import java.util.Map;
  22 import java.util.Objects;
  23 import java.util.Scanner;
  24 import java.util.concurrent.CopyOnWriteArrayList;
  25 import java.util.concurrent.ExecutionException;
  26 import java.util.concurrent.ScheduledFuture;
  27 import java.util.concurrent.TimeUnit;
  28 import java.util.concurrent.TimeoutException;
  29
  30 import org.apache.commons.lang.StringUtils;
  31 import org.eclipse.jdt.annotation.NonNullByDefault;
  32 import org.eclipse.jdt.annotation.Nullable;
  33 import org.eclipse.jetty.client.HttpClient;
  34 import org.eclipse.jetty.client.api.ContentResponse;
  35 import org.eclipse.jetty.client.api.Request;
  36 import org.eclipse.jetty.client.api.Response;
  37 import org.eclipse.jetty.client.api.Result;
  38 import org.eclipse.jetty.client.util.StringContentProvider;
  39 import org.eclipse.jetty.http.HttpMethod;
  40 import org.eclipse.jetty.http.HttpStatus;
  41 import org.openhab.binding.nanoleaf.internal.*;
  42 import org.openhab.binding.nanoleaf.internal.config.NanoleafControllerConfig;
  43 import org.openhab.binding.nanoleaf.internal.model.*;
  44 import org.openhab.core.config.core.Configuration;
  45 import org.openhab.core.library.types.DecimalType;
  46 import org.openhab.core.library.types.HSBType;
  47 import org.openhab.core.library.types.IncreaseDecreaseType;
  48 import org.openhab.core.library.types.OnOffType;
  49 import org.openhab.core.library.types.PercentType;
  50 import org.openhab.core.library.types.StringType;
  51 import org.openhab.core.thing.Bridge;
  52 import org.openhab.core.thing.ChannelUID;
  53 import org.openhab.core.thing.Thing;
  54 import org.openhab.core.thing.ThingStatus;
  55 import org.openhab.core.thing.ThingStatusDetail;
  56 import org.openhab.core.thing.binding.BaseBridgeHandler;
  57 import org.openhab.core.types.Command;
  58 import org.openhab.core.types.RefreshType;
  59 import org.slf4j.Logger;
  60 import org.slf4j.LoggerFactory;
  61
  62 import com.google.gson.Gson;
  63 import com.google.gson.JsonSyntaxException;
  64
  65 /**
  66  * The {@link NanoleafControllerHandler} is responsible for handling commands to the controller which
  67  * affect all panels connected to it (e.g. selected effect)
  68  *
  69  * @author Martin Raepple - Initial contribution
  70  * @author Stefan Höhn - Canvas Touch Support
  71  */
  72 @NonNullByDefault
  73 public class NanoleafControllerHandler extends BaseBridgeHandler {
  74
  75     // Pairing interval in seconds
  76     private static final int PAIRING_INTERVAL = 25;
  77
  78     // Panel discovery interval in seconds
  79     private static final int PANEL_DISCOVERY_INTERVAL = 30;
  80
  81     private final Logger logger = LoggerFactory.getLogger(NanoleafControllerHandler.class);
  82     private HttpClient httpClient;
  83     private List<NanoleafControllerListener> controllerListeners = new CopyOnWriteArrayList<>();
  84
  85     // Pairing, update and panel discovery jobs and touch event job
  86     private @NonNullByDefault({}) ScheduledFuture<?> pairingJob;
  87     private @NonNullByDefault({}) ScheduledFuture<?> updateJob;
  88     private @NonNullByDefault({}) ScheduledFuture<?> panelDiscoveryJob;
  89     private @NonNullByDefault({}) ScheduledFuture<?> touchJob;
  90
  91     // JSON parser for API responses
  92     private final Gson gson = new Gson();
  93
  94     // Controller configuration settings and channel values
  95     private @Nullable String address;
  96     private int port;
  97     private int refreshIntervall;
  98     private @Nullable String authToken;
  99     private @Nullable String deviceType;
 100     private @NonNullByDefault({}) ControllerInfo controllerInfo;
 101
 102     public NanoleafControllerHandler(Bridge bridge, HttpClient httpClient) {
 103         super(bridge);
 104         this.httpClient = httpClient;
 105     }
 106
 107     @Override
 108     public void initialize() {
 109         logger.debug("Initializing the controller (bridge)");
 110         updateStatus(ThingStatus.UNKNOWN, ThingStatusDetail.BRIDGE_UNINITIALIZED);
 111         NanoleafControllerConfig config = getConfigAs(NanoleafControllerConfig.class);
 112         setAddress(config.address);
 113         setPort(config.port);
 114         setRefreshIntervall(config.refreshInterval);
 115         setAuthToken(config.authToken);
 116
 117         @Nullable
 118         String property = getThing().getProperties().get(Thing.PROPERTY_MODEL_ID);
 119         if (MODEL_ID_CANVAS.equals(property)) {
 120             config.deviceType = DEVICE_TYPE_CANVAS;
 121         } else {
 122             config.deviceType = DEVICE_TYPE_LIGHTPANELS;
 123         }
 124         setDeviceType(config.deviceType);
 125
 126         try {
 127             Map<String, String> properties = getThing().getProperties();
 128             if (StringUtils.isEmpty(getAddress()) || StringUtils.isEmpty(String.valueOf(getPort()))) {
 129                 logger.warn("No IP address and port configured for the Nanoleaf controller");
 130                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_PENDING,
 131                         "@text/error.nanoleaf.controller.noIp");
 132                 stopAllJobs();
 133             } else if (!StringUtils.isEmpty(properties.get(Thing.PROPERTY_FIRMWARE_VERSION))
 134                     && !OpenAPIUtils.checkRequiredFirmware(properties.get(Thing.PROPERTY_MODEL_ID),
 135                             properties.get(Thing.PROPERTY_FIRMWARE_VERSION))) {
 136                 logger.warn("Nanoleaf controller firmware is too old: {}. Must be equal or higher than {}",
 137                         properties.get(Thing.PROPERTY_FIRMWARE_VERSION), API_MIN_FW_VER_LIGHTPANELS);
 138                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 139                         "@text/error.nanoleaf.controller.incompatibleFirmware");
 140                 stopAllJobs();
 141             } else if (StringUtils.isEmpty(getAuthToken())) {
 142                 logger.debug("No token found. Start pairing background job");
 143                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_PENDING,
 144                         "@text/error.nanoleaf.controller.noToken");
 145                 startPairingJob();
 146                 stopUpdateJob();
 147                 stopPanelDiscoveryJob();
 148             } else {
 149                 logger.debug("Controller is online. Stop pairing job, start update & panel discovery jobs");
 150                 updateStatus(ThingStatus.ONLINE);
 151                 stopPairingJob();
 152                 startUpdateJob();
 153                 startPanelDiscoveryJob();
 154                 startTouchJob();
 155             }
 156         } catch (IllegalArgumentException iae) {
 157             logger.warn("Nanoleaf controller firmware version not in format x.y.z: {}",
 158                     getThing().getProperties().get(Thing.PROPERTY_FIRMWARE_VERSION));
 159             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 160                     "@text/error.nanoleaf.controller.incompatibleFirmware");
 161         }
 162     }
 163
 164     @Override
 165     public void handleCommand(ChannelUID channelUID, Command command) {
 166         logger.debug("Received command {} for channel {}", command, channelUID);
 167         if (!ThingStatus.ONLINE.equals(getThing().getStatusInfo().getStatus())) {
 168             logger.debug("Cannot handle command. Bridge is not online.");
 169             return;
 170         }
 171         try {
 172             if (command instanceof RefreshType) {
 173                 updateFromControllerInfo();
 174             } else {
 175                 switch (channelUID.getId()) {
 176                     case CHANNEL_POWER:
 177                     case CHANNEL_COLOR:
 178                     case CHANNEL_COLOR_TEMPERATURE:
 179                     case CHANNEL_COLOR_TEMPERATURE_ABS:
 180                     case CHANNEL_PANEL_LAYOUT:
 181                         sendStateCommand(channelUID.getId(), command);
 182                         break;
 183                     case CHANNEL_EFFECT:
 184                         sendEffectCommand(command);
 185                         break;
 186                     case CHANNEL_RHYTHM_MODE:
 187                         sendRhythmCommand(command);
 188                         break;
 189                     default:
 190                         logger.warn("Channel with id {} not handled", channelUID.getId());
 191                         break;
 192                 }
 193             }
 194         } catch (NanoleafUnauthorizedException nae) {
 195             logger.warn("Authorization for command {} to channelUID {} failed: {}", command, channelUID,
 196                     nae.getMessage());
 197             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 198                     "@text/error.nanoleaf.controller.invalidToken");
 199         } catch (NanoleafException ne) {
 200             logger.warn("Handling command {} to channelUID {} failed: {}", command, channelUID, ne.getMessage());
 201             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 202                     "@text/error.nanoleaf.controller.communication");
 203         }
 204     }
 205
 206     @Override
 207     public void handleRemoval() {
 208         // delete token for openHAB
 209         ContentResponse deleteTokenResponse;
 210         try {
 211             Request deleteTokenRequest = OpenAPIUtils.requestBuilder(httpClient, getControllerConfig(), API_DELETE_USER,
 212                     HttpMethod.DELETE);
 213             deleteTokenResponse = OpenAPIUtils.sendOpenAPIRequest(deleteTokenRequest);
 214             if (deleteTokenResponse.getStatus() != HttpStatus.NO_CONTENT_204) {
 215                 logger.warn("Failed to delete token for openHAB. Response code is {}", deleteTokenResponse.getStatus());
 216                 return;
 217             }
 218             logger.debug("Successfully deleted token for openHAB from controller");
 219         } catch (NanoleafUnauthorizedException e) {
 220             logger.warn("Attempt to delete token for openHAB failed. Token unauthorized.");
 221         } catch (NanoleafException ne) {
 222             logger.warn("Attempt to delete token for openHAB failed : {}", ne.getMessage());
 223         }
 224         stopAllJobs();
 225         super.handleRemoval();
 226         logger.debug("Nanoleaf controller removed");
 227     }
 228
 229     @Override
 230     public void dispose() {
 231         stopAllJobs();
 232         super.dispose();
 233         logger.debug("Disposing handler for Nanoleaf controller {}", getThing().getUID());
 234     }
 235
 236     public boolean registerControllerListener(NanoleafControllerListener controllerListener) {
 237         logger.debug("Register new listener for controller {}", getThing().getUID());
 238         boolean result = controllerListeners.add(controllerListener);
 239         if (result) {
 240             startPanelDiscoveryJob();
 241         }
 242         return result;
 243     }
 244
 245     public boolean unregisterControllerListener(NanoleafControllerListener controllerListener) {
 246         logger.debug("Unregister listener for controller {}", getThing().getUID());
 247         boolean result = controllerListeners.remove(controllerListener);
 248         if (result) {
 249             stopPanelDiscoveryJob();
 250         }
 251         return result;
 252     }
 253
 254     public NanoleafControllerConfig getControllerConfig() {
 255         NanoleafControllerConfig config = new NanoleafControllerConfig();
 256         config.address = this.getAddress();
 257         config.port = this.getPort();
 258         config.refreshInterval = this.getRefreshIntervall();
 259         config.authToken = this.getAuthToken();
 260         config.deviceType = this.getDeviceType();
 261         return config;
 262     }
 263
 264     public synchronized void startPairingJob() {
 265         if (pairingJob == null || pairingJob.isCancelled()) {
 266             logger.debug("Start pairing job, interval={} sec", PAIRING_INTERVAL);
 267             pairingJob = scheduler.scheduleWithFixedDelay(this::runPairing, 0, PAIRING_INTERVAL, TimeUnit.SECONDS);
 268         }
 269     }
 270
 271     private synchronized void stopPairingJob() {
 272         if (pairingJob != null && !pairingJob.isCancelled()) {
 273             logger.debug("Stop pairing job");
 274             pairingJob.cancel(true);
 275             this.pairingJob = null;
 276         }
 277     }
 278
 279     private synchronized void startUpdateJob() {
 280         if (StringUtils.isNotEmpty(getAuthToken())) {
 281             if (updateJob == null || updateJob.isCancelled()) {
 282                 logger.debug("Start controller status job, repeat every {} sec", getRefreshIntervall());
 283                 updateJob = scheduler.scheduleWithFixedDelay(this::runUpdate, 0, getRefreshIntervall(),
 284                         TimeUnit.SECONDS);
 285             }
 286         } else {
 287             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_PENDING,
 288                     "@text/error.nanoleaf.controller.noToken");
 289         }
 290     }
 291
 292     private synchronized void stopUpdateJob() {
 293         if (updateJob != null && !updateJob.isCancelled()) {
 294             logger.debug("Stop status job");
 295             updateJob.cancel(true);
 296             this.updateJob = null;
 297         }
 298     }
 299
 300     public synchronized void startPanelDiscoveryJob() {
 301         logger.debug("Starting panel discovery job. Has Controller-Listeners: {} panelDiscoveryJob: {}",
 302                 !controllerListeners.isEmpty(), panelDiscoveryJob);
 303         if (!controllerListeners.isEmpty() && (panelDiscoveryJob == null || panelDiscoveryJob.isCancelled())) {
 304             logger.debug("Start panel discovery job, interval={} sec", PANEL_DISCOVERY_INTERVAL);
 305             panelDiscoveryJob = scheduler.scheduleWithFixedDelay(this::runPanelDiscovery, 0, PANEL_DISCOVERY_INTERVAL,
 306                     TimeUnit.SECONDS);
 307         }
 308     }
 309
 310     private synchronized void stopPanelDiscoveryJob() {
 311         if (controllerListeners.isEmpty() && panelDiscoveryJob != null && !panelDiscoveryJob.isCancelled()) {
 312             logger.debug("Stop panel discovery job");
 313             panelDiscoveryJob.cancel(true);
 314             this.panelDiscoveryJob = null;
 315         }
 316     }
 317
 318     private synchronized void startTouchJob() {
 319         NanoleafControllerConfig config = getConfigAs(NanoleafControllerConfig.class);
 320         if (!config.deviceType.equals(DEVICE_TYPE_CANVAS)) {
 321             logger.debug("NOT starting TouchJob for Panel {} because it has wrong device type '{}' vs required '{}'",
 322                     this.getThing().getUID(), config.deviceType, DEVICE_TYPE_CANVAS);
 323             return;
 324         } else
 325             logger.debug("Starting TouchJob for Panel {}", this.getThing().getUID());
 326
 327         if (StringUtils.isNotEmpty(getAuthToken())) {
 328             if (touchJob == null || touchJob.isCancelled()) {
 329                 logger.debug("Starting Touchjob now");
 330                 touchJob = scheduler.schedule(this::runTouchDetection, 0, TimeUnit.SECONDS);
 331             }
 332         } else {
 333             logger.error("starting TouchJob for Controller {} failed - missing token", this.getThing().getUID());
 334         }
 335     }
 336
 337     private synchronized void stopTouchJob() {
 338         if (touchJob != null && !touchJob.isCancelled()) {
 339             logger.debug("Stop touch job");
 340             touchJob.cancel(true);
 341             this.touchJob = null;
 342         }
 343     }
 344
 345     private void runUpdate() {
 346         logger.debug("Run update job");
 347         try {
 348             updateFromControllerInfo();
 349             startTouchJob(); // if device type has changed, start touch detection.
 350             // controller might have been offline, e.g. for firmware update. In this case, return to online state
 351             if (ThingStatus.OFFLINE.equals(getThing().getStatus())) {
 352                 logger.debug("Controller {} is back online", thing.getUID());
 353                 updateStatus(ThingStatus.ONLINE);
 354             }
 355         } catch (NanoleafUnauthorizedException nae) {
 356             logger.warn("Status update unauthorized: {}", nae.getMessage());
 357             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 358                     "@text/error.nanoleaf.controller.invalidToken");
 359             if (StringUtils.isEmpty(getAuthToken())) {
 360                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_PENDING,
 361                         "@text/error.nanoleaf.controller.noToken");
 362             }
 363         } catch (NanoleafException ne) {
 364             logger.warn("Status update failed: {}", ne.getMessage());
 365             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 366                     "@text/error.nanoleaf.controller.communication");
 367         } catch (RuntimeException e) {
 368             logger.warn("Update job failed", e);
 369             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.NONE, "@text/error.nanoleaf.controller.runtime");
 370         }
 371     }
 372
 373     private void runPairing() {
 374         logger.debug("Run pairing job");
 375         try {
 376             if (StringUtils.isNotEmpty(getAuthToken())) {
 377                 if (pairingJob != null) {
 378                     pairingJob.cancel(false);
 379                 }
 380                 logger.debug("Authentication token found. Canceling pairing job");
 381                 return;
 382             }
 383             ContentResponse authTokenResponse = OpenAPIUtils
 384                     .requestBuilder(httpClient, getControllerConfig(), API_ADD_USER, HttpMethod.POST).send();
 385             if (logger.isTraceEnabled()) {
 386                 logger.trace("Auth token response: {}", authTokenResponse.getContentAsString());
 387             }
 388
 389             if (authTokenResponse.getStatus() != HttpStatus.OK_200) {
 390                 logger.debug("Pairing pending for {}. Controller returns status code {}", this.getThing().getUID(),
 391                         authTokenResponse.getStatus());
 392             } else {
 393                 // get auth token from response
 394                 @Nullable
 395                 AuthToken authToken = gson.fromJson(authTokenResponse.getContentAsString(), AuthToken.class);
 396
 397                 if (StringUtils.isNotEmpty(authToken.getAuthToken())) {
 398                     logger.debug("Pairing succeeded.");
 399
 400                     // Update and save the auth token in the thing configuration
 401                     Configuration config = editConfiguration();
 402                     config.put(NanoleafControllerConfig.AUTH_TOKEN, authToken.getAuthToken());
 403                     updateConfiguration(config);
 404
 405                     updateStatus(ThingStatus.ONLINE);
 406                     // Update local field
 407                     setAuthToken(authToken.getAuthToken());
 408
 409                     stopPairingJob();
 410                     startUpdateJob();
 411                     startPanelDiscoveryJob();
 412                     startTouchJob();
 413                 } else {
 414                     logger.debug("No auth token found in response: {}", authTokenResponse.getContentAsString());
 415                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 416                             "@text/error.nanoleaf.controller.pairingFailed");
 417                     throw new NanoleafException(authTokenResponse.getContentAsString());
 418                 }
 419             }
 420         } catch (JsonSyntaxException e) {
 421             logger.warn("Received invalid data", e);
 422             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 423                     "@text/error.nanoleaf.controller.invalidData");
 424         } catch (NanoleafException e) {
 425             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 426                     "@text/error.nanoleaf.controller.noTokenReceived");
 427         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 428             logger.warn("Cannot send authorization request to controller: ", e);
 429             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 430                     "@text/error.nanoleaf.controller.authRequest");
 431         } catch (RuntimeException e) {
 432             logger.warn("Pairing job failed", e);
 433             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.NONE, "@text/error.nanoleaf.controller.runtime");
 434         } catch (Exception e) {
 435             logger.warn("Cannot start http client", e);
 436             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 437                     "@text/error.nanoleaf.controller.noClient");
 438         }
 439     }
 440
 441     private void runPanelDiscovery() {
 442         logger.debug("Run panel discovery job");
 443         // Trigger a new discovery of connected panels
 444         for (NanoleafControllerListener controllerListener : controllerListeners) {
 445             try {
 446                 controllerListener.onControllerInfoFetched(getThing().getUID(), receiveControllerInfo());
 447             } catch (NanoleafUnauthorizedException nue) {
 448                 logger.warn("Panel discovery unauthorized: {}", nue.getMessage());
 449                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 450                         "@text/error.nanoleaf.controller.invalidToken");
 451                 if (StringUtils.isEmpty(getAuthToken())) {
 452                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_PENDING,
 453                             "@text/error.nanoleaf.controller.noToken");
 454                 }
 455             } catch (NanoleafInterruptedException nie) {
 456                 logger.info("Panel discovery has been stopped.");
 457             } catch (NanoleafException ne) {
 458                 logger.warn("Failed to discover panels: ", ne);
 459                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 460                         "@text/error.nanoleaf.controller.communication");
 461             } catch (RuntimeException e) {
 462                 logger.warn("Panel discovery job failed", e);
 463                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.NONE, "@text/error.nanoleaf.controller.runtime");
 464             }
 465         }
 466     }
 467
 468     /**
 469      * This is based on the touch event detection described in https://forum.nanoleaf.me/docs/openapi#_842h3097vbgq
 470      */
 471     private static boolean touchJobRunning = false;
 472
 473     private void runTouchDetection() {
 474         if (touchJobRunning) {
 475             logger.debug("touch job already running. quitting.");
 476             return;
 477         }
 478         try {
 479             touchJobRunning = true;
 480             URI eventUri = OpenAPIUtils.getUri(getControllerConfig(), API_EVENTS, "id=4");
 481             logger.debug("touch job registered on: {}", eventUri.toString());
 482             httpClient.newRequest(eventUri).send(new Response.Listener.Adapter() // request runs forever
 483             {
 484                 @Override
 485                 public void onContent(@Nullable Response response, @Nullable ByteBuffer content) {
 486                     String s = StandardCharsets.UTF_8.decode(content).toString();
 487                     logger.trace("content {}", s);
 488
 489                     Scanner eventContent = new Scanner(s);
 490                     while (eventContent.hasNextLine()) {
 491                         String line = eventContent.nextLine().trim();
 492                         // we don't expect anything than content id:4, so we do not check that but only care about the
 493                         // data part
 494                         if (line.startsWith("data:")) {
 495                             String json = line.substring(5).trim(); // supposed to be JSON
 496                             try {
 497                                 TouchEvents touchEvents = gson.fromJson(json, TouchEvents.class);
 498                                 handleTouchEvents(Objects.requireNonNull(touchEvents));
 499                             } catch (JsonSyntaxException jse) {
 500                                 logger.error("couldn't parse touch event json {}", json);
 501                             }
 502                         }
 503                     }
 504                     eventContent.close();
 505                     logger.debug("leaving touch onContent");
 506                     super.onContent(response, content);
 507                 }
 508
 509                 @Override
 510                 public void onSuccess(@Nullable Response response) {
 511                     logger.trace("touch event SUCCESS: {}", response);
 512                 }
 513
 514                 @Override
 515                 public void onFailure(@Nullable Response response, @Nullable Throwable failure) {
 516                     logger.trace("touch event FAILURE: {}", response);
 517                 }
 518
 519                 @Override
 520                 public void onComplete(@Nullable Result result) {
 521                     logger.trace("touch event COMPLETE: {}", result);
 522                 }
 523             });
 524         } catch (RuntimeException | NanoleafException e) {
 525             logger.warn("setting up TouchDetection failed", e);
 526         } finally {
 527             touchJobRunning = false;
 528         }
 529         logger.debug("leaving run touch detection");
 530     }
 531
 532     /**
 533      * Interate over all gathered touch events and apply them to the panel they belong to
 534      *
 535      * @param touchEvents
 536      */
 537     private void handleTouchEvents(TouchEvents touchEvents) {
 538         touchEvents.getEvents().forEach(event -> {
 539             logger.info("panel: {} gesture id: {}", event.getPanelId(), event.getGesture());
 540
 541             // Iterate over all child things = all panels of that controller
 542             this.getThing().getThings().forEach(child -> {
 543                 NanoleafPanelHandler panelHandler = (NanoleafPanelHandler) child.getHandler();
 544                 if (panelHandler != null) {
 545                     logger.trace("Checking available panel -{}- versus event panel -{}-", panelHandler.getPanelID(),
 546                             event.getPanelId());
 547                     if (panelHandler.getPanelID().equals(event.getPanelId())) {
 548                         logger.debug("Panel {} found. Triggering item with gesture {}.", panelHandler.getPanelID(),
 549                                 event.getGesture());
 550                         panelHandler.updatePanelGesture(event.getGesture());
 551                     }
 552                 }
 553             });
 554         });
 555     }
 556
 557     private void updateFromControllerInfo() throws NanoleafException {
 558         logger.debug("Update channels for controller {}", thing.getUID());
 559         this.controllerInfo = receiveControllerInfo();
 560         if (controllerInfo == null) {
 561             logger.debug("No Controller Info has been provided");
 562             return;
 563         }
 564         final State state = controllerInfo.getState();
 565
 566         OnOffType powerState = state.getOnOff();
 567         updateState(CHANNEL_POWER, powerState);
 568
 569         @Nullable
 570         Ct colorTemperature = state.getColorTemperature();
 571
 572         float colorTempPercent = 0f;
 573         if (colorTemperature != null) {
 574             updateState(CHANNEL_COLOR_TEMPERATURE_ABS, new DecimalType(colorTemperature.getValue()));
 575
 576             @Nullable
 577             Integer min = colorTemperature.getMin();
 578             int colorMin = (min == null) ? 0 : min;
 579
 580             @Nullable
 581             Integer max = colorTemperature.getMax();
 582             int colorMax = (max == null) ? 0 : max;
 583
 584             colorTempPercent = (colorTemperature.getValue() - colorMin) / (colorMax - colorMin)
 585                     * PercentType.HUNDRED.intValue();
 586         }
 587
 588         updateState(CHANNEL_COLOR_TEMPERATURE, new PercentType(Float.toString(colorTempPercent)));
 589         updateState(CHANNEL_EFFECT, new StringType(controllerInfo.getEffects().getSelect()));
 590
 591         @Nullable
 592         Hue stateHue = state.getHue();
 593         int hue = (stateHue != null) ? stateHue.getValue() : 0;
 594         @Nullable
 595         Sat stateSaturation = state.getSaturation();
 596         int saturation = (stateSaturation != null) ? stateSaturation.getValue() : 0;
 597         @Nullable
 598         Brightness stateBrightness = state.getBrightness();
 599         int brightness = (stateBrightness != null) ? stateBrightness.getValue() : 0;
 600
 601         updateState(CHANNEL_COLOR, new HSBType(new DecimalType(hue), new PercentType(saturation),
 602                 new PercentType(powerState == OnOffType.ON ? brightness : 0)));
 603         updateState(CHANNEL_COLOR_MODE, new StringType(state.getColorMode()));
 604         updateState(CHANNEL_RHYTHM_ACTIVE, controllerInfo.getRhythm().getRhythmActive() ? OnOffType.ON : OnOffType.OFF);
 605         updateState(CHANNEL_RHYTHM_MODE, new DecimalType(controllerInfo.getRhythm().getRhythmMode()));
 606         updateState(CHANNEL_RHYTHM_STATE,
 607                 controllerInfo.getRhythm().getRhythmConnected() ? OnOffType.ON : OnOffType.OFF);
 608         // update bridge properties which may have changed, or are not present during discovery
 609         Map<String, String> properties = editProperties();
 610         properties.put(Thing.PROPERTY_SERIAL_NUMBER, controllerInfo.getSerialNo());
 611         properties.put(Thing.PROPERTY_FIRMWARE_VERSION, controllerInfo.getFirmwareVersion());
 612         properties.put(Thing.PROPERTY_MODEL_ID, controllerInfo.getModel());
 613         properties.put(Thing.PROPERTY_VENDOR, controllerInfo.getManufacturer());
 614         updateProperties(properties);
 615
 616         Configuration config = editConfiguration();
 617
 618         if (MODEL_ID_CANVAS.equals(controllerInfo.getModel())) {
 619             config.put(NanoleafControllerConfig.DEVICE_TYPE, DEVICE_TYPE_CANVAS);
 620             logger.debug("Set to device type {}", DEVICE_TYPE_CANVAS);
 621         } else {
 622             config.put(NanoleafControllerConfig.DEVICE_TYPE, DEVICE_TYPE_LIGHTPANELS);
 623             logger.debug("Set to device type {}", DEVICE_TYPE_LIGHTPANELS);
 624         }
 625         updateConfiguration(config);
 626
 627         getConfig().getProperties().forEach((key, value) -> {
 628             logger.trace("Configuration property: key {} value {}", key, value);
 629         });
 630
 631         getThing().getProperties().forEach((key, value) -> {
 632             logger.debug("Thing property:  key {} value {}", key, value);
 633         });
 634
 635         // update the color channels of each panel
 636         this.getThing().getThings().forEach(child -> {
 637             NanoleafPanelHandler panelHandler = (NanoleafPanelHandler) child.getHandler();
 638             if (panelHandler != null) {
 639                 logger.debug("Update color channel for panel {}", panelHandler.getThing().getUID());
 640                 panelHandler.updatePanelColorChannel();
 641             }
 642         });
 643     }
 644
 645     private ControllerInfo receiveControllerInfo() throws NanoleafException, NanoleafUnauthorizedException {
 646         ContentResponse controllerlInfoJSON = OpenAPIUtils.sendOpenAPIRequest(OpenAPIUtils.requestBuilder(httpClient,
 647                 getControllerConfig(), API_GET_CONTROLLER_INFO, HttpMethod.GET));
 648         ControllerInfo controllerInfo = gson.fromJson(controllerlInfoJSON.getContentAsString(), ControllerInfo.class);
 649         return Objects.requireNonNull(controllerInfo);
 650     }
 651
 652     private void sendStateCommand(String channel, Command command) throws NanoleafException {
 653         State stateObject = new State();
 654         switch (channel) {
 655             case CHANNEL_POWER:
 656                 if (command instanceof OnOffType) {
 657                     // On/Off command - turns controller on/off
 658                     BooleanState state = new On();
 659                     state.setValue(OnOffType.ON.equals(command));
 660                     stateObject.setState(state);
 661                 } else {
 662                     logger.warn("Unhandled command type: {}", command.getClass().getName());
 663                     return;
 664                 }
 665                 break;
 666             case CHANNEL_COLOR:
 667                 if (command instanceof OnOffType) {
 668                     // On/Off command - turns controller on/off
 669                     BooleanState state = new On();
 670                     state.setValue(OnOffType.ON.equals(command));
 671                     stateObject.setState(state);
 672                 } else if (command instanceof HSBType) {
 673                     // regular color HSB command
 674                     IntegerState h = new Hue();
 675                     IntegerState s = new Sat();
 676                     IntegerState b = new Brightness();
 677                     h.setValue(((HSBType) command).getHue().intValue());
 678                     s.setValue(((HSBType) command).getSaturation().intValue());
 679                     b.setValue(((HSBType) command).getBrightness().intValue());
 680                     stateObject.setState(h);
 681                     stateObject.setState(s);
 682                     stateObject.setState(b);
 683                 } else if (command instanceof PercentType) {
 684                     // brightness command
 685                     IntegerState b = new Brightness();
 686                     b.setValue(((PercentType) command).intValue());
 687                     stateObject.setState(b);
 688                 } else if (command instanceof IncreaseDecreaseType) {
 689                     // increase/decrease brightness
 690                     if (controllerInfo != null) {
 691                         @Nullable
 692                         Brightness brightness = controllerInfo.getState().getBrightness();
 693                         int brightnessMin = 0;
 694                         int brightnessMax = 0;
 695                         if (brightness != null) {
 696                             @Nullable
 697                             Integer min = brightness.getMin();
 698                             brightnessMin = (min == null) ? 0 : min;
 699                             @Nullable
 700                             Integer max = brightness.getMax();
 701                             brightnessMax = (max == null) ? 0 : max;
 702
 703                             if (IncreaseDecreaseType.INCREASE.equals(command)) {
 704                                 brightness.setValue(
 705                                         Math.min(brightnessMax, brightness.getValue() + BRIGHTNESS_STEP_SIZE));
 706                             } else {
 707                                 brightness.setValue(
 708                                         Math.max(brightnessMin, brightness.getValue() - BRIGHTNESS_STEP_SIZE));
 709                             }
 710                             stateObject.setState(brightness);
 711                             logger.debug("Setting controller brightness to {}", brightness.getValue());
 712                             // update controller info in case new command is sent before next update job interval
 713                             controllerInfo.getState().setBrightness(brightness);
 714                         } else {
 715                             logger.debug("Couldn't set brightness as it was null!");
 716                         }
 717                     }
 718                 } else {
 719                     logger.warn("Unhandled command type: {}", command.getClass().getName());
 720                     return;
 721                 }
 722                 break;
 723             case CHANNEL_COLOR_TEMPERATURE:
 724                 if (command instanceof PercentType) {
 725                     // Color temperature (percent)
 726                     IntegerState state = new Ct();
 727                     @Nullable
 728                     Ct colorTemperature = controllerInfo.getState().getColorTemperature();
 729
 730                     int colorMin = 0;
 731                     int colorMax = 0;
 732                     if (colorTemperature != null) {
 733                         @Nullable
 734                         Integer min = colorTemperature.getMin();
 735                         colorMin = (min == null) ? 0 : min;
 736
 737                         @Nullable
 738                         Integer max = colorTemperature.getMax();
 739                         colorMax = (max == null) ? 0 : max;
 740                     }
 741
 742                     state.setValue(Math.round((colorMax - colorMin) * ((PercentType) command).intValue()
 743                             / PercentType.HUNDRED.floatValue() + colorMin));
 744                     stateObject.setState(state);
 745                 } else {
 746                     logger.warn("Unhandled command type: {}", command.getClass().getName());
 747                     return;
 748                 }
 749                 break;
 750             case CHANNEL_COLOR_TEMPERATURE_ABS:
 751                 if (command instanceof DecimalType) {
 752                     // Color temperature (absolute)
 753                     IntegerState state = new Ct();
 754                     state.setValue(((DecimalType) command).intValue());
 755                     stateObject.setState(state);
 756                 } else {
 757                     logger.warn("Unhandled command type: {}", command.getClass().getName());
 758                     return;
 759                 }
 760                 break;
 761             case CHANNEL_PANEL_LAYOUT:
 762                 @Nullable
 763                 Layout layout = controllerInfo.getPanelLayout().getLayout();
 764                 String layoutView = (layout != null) ? layout.getLayoutView() : "";
 765                 logger.info("Panel layout and ids for controller {} \n{}", thing.getUID(), layoutView);
 766                 updateState(CHANNEL_PANEL_LAYOUT, OnOffType.OFF);
 767                 break;
 768             default:
 769                 logger.warn("Unhandled command type: {}", command.getClass().getName());
 770                 return;
 771         }
 772
 773         Request setNewStateRequest = OpenAPIUtils.requestBuilder(httpClient, getControllerConfig(), API_SET_VALUE,
 774                 HttpMethod.PUT);
 775         setNewStateRequest.content(new StringContentProvider(gson.toJson(stateObject)), "application/json");
 776         OpenAPIUtils.sendOpenAPIRequest(setNewStateRequest);
 777     }
 778
 779     private void sendEffectCommand(Command command) throws NanoleafException {
 780         Effects effects = new Effects();
 781         if (command instanceof StringType) {
 782             effects.setSelect(command.toString());
 783         } else {
 784             logger.warn("Unhandled command type: {}", command.getClass().getName());
 785             return;
 786         }
 787         Request setNewEffectRequest = OpenAPIUtils.requestBuilder(httpClient, getControllerConfig(), API_EFFECT,
 788                 HttpMethod.PUT);
 789         String content = gson.toJson(effects);
 790         logger.debug("sending effect command from controller {}: {}", getThing().getUID(), content);
 791         setNewEffectRequest.content(new StringContentProvider(content), "application/json");
 792         OpenAPIUtils.sendOpenAPIRequest(setNewEffectRequest);
 793     }
 794
 795     private void sendRhythmCommand(Command command) throws NanoleafException {
 796         Rhythm rhythm = new Rhythm();
 797         if (command instanceof DecimalType) {
 798             rhythm.setRhythmMode(((DecimalType) command).intValue());
 799         } else {
 800             logger.warn("Unhandled command type: {}", command.getClass().getName());
 801             return;
 802         }
 803         Request setNewRhythmRequest = OpenAPIUtils.requestBuilder(httpClient, getControllerConfig(), API_RHYTHM_MODE,
 804                 HttpMethod.PUT);
 805         setNewRhythmRequest.content(new StringContentProvider(gson.toJson(rhythm)), "application/json");
 806         OpenAPIUtils.sendOpenAPIRequest(setNewRhythmRequest);
 807     }
 808
 809     private String getAddress() {
 810         return StringUtils.defaultString(this.address);
 811     }
 812
 813     private void setAddress(String address) {
 814         this.address = address;
 815     }
 816
 817     private int getPort() {
 818         return port;
 819     }
 820
 821     private void setPort(int port) {
 822         this.port = port;
 823     }
 824
 825     private int getRefreshIntervall() {
 826         return refreshIntervall;
 827     }
 828
 829     private void setRefreshIntervall(int refreshIntervall) {
 830         this.refreshIntervall = refreshIntervall;
 831     }
 832
 833     private String getAuthToken() {
 834         return StringUtils.defaultString(authToken);
 835     }
 836
 837     private void setAuthToken(@Nullable String authToken) {
 838         this.authToken = authToken;
 839     }
 840
 841     private String getDeviceType() {
 842         return StringUtils.defaultString(deviceType);
 843     }
 844
 845     private void setDeviceType(String deviceType) {
 846         this.deviceType = deviceType;
 847     }
 848
 849     private void stopAllJobs() {
 850         stopPairingJob();
 851         stopUpdateJob();
 852         stopPanelDiscoveryJob();
 853         stopTouchJob();
 854     }
 855 }