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   1 /**
   2  * Copyright (c) 2010-2023 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.samsungtv.internal.protocol;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.eclipse.jdt.annotation.Nullable;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 import com.google.gson.JsonElement;
  21 import com.google.gson.JsonSyntaxException;
  22
  23 /**
  24  * Websocket class to retrieve artmode status (on o.a. the Frame TV's)
  25  *
  26  * @author Arjan Mels - Initial contribution
  27  */
  28 @NonNullByDefault
  29 class WebSocketArt extends WebSocketBase {
  30     private final Logger logger = LoggerFactory.getLogger(WebSocketArt.class);
  31
  32     /**
  33      * @param remoteControllerWebSocket
  34      */
  35     WebSocketArt(RemoteControllerWebSocket remoteControllerWebSocket) {
  36         super(remoteControllerWebSocket);
  37     }
  38
  39     @NonNullByDefault({})
  40     private static class JSONMessage {
  41         String event;
  42
  43         @NonNullByDefault({})
  44         static class Data {
  45             String event;
  46             String status;
  47             String value;
  48         }
  49
  50         // data is sometimes a json object, sometimes a string representation of a json object for d2d_service_message
  51         @Nullable
  52         JsonElement data;
  53     }
  54
  55     @Override
  56     public void onWebSocketText(@Nullable String msgarg) {
  57         if (msgarg == null) {
  58             return;
  59         }
  60         String msg = msgarg.replace('\n', ' ');
  61         super.onWebSocketText(msg);
  62         try {
  63             JSONMessage jsonMsg = remoteControllerWebSocket.gson.fromJson(msg, JSONMessage.class);
  64
  65             switch (jsonMsg.event) {
  66                 case "ms.channel.connect":
  67                     logger.debug("Art channel connected");
  68                     break;
  69                 case "ms.channel.ready":
  70                     logger.debug("Art channel ready");
  71                     getArtmodeStatus();
  72                     break;
  73                 case "ms.channel.clientConnect":
  74                     logger.debug("Art client connected");
  75                     break;
  76                 case "ms.channel.clientDisconnect":
  77                     logger.debug("Art client disconnected");
  78                     break;
  79
  80                 case "d2d_service_message":
  81                     if (jsonMsg.data != null) {
  82                         handleD2DServiceMessage(jsonMsg.data.getAsString());
  83                     } else {
  84                         logger.debug("Empty d2d_service_message event: {}", msg);
  85                     }
  86                     break;
  87                 default:
  88                     logger.debug("WebSocketArt Unknown event: {}", msg);
  89             }
  90         } catch (JsonSyntaxException e) {
  91             logger.warn("{}: Error ({}) in message: {}", this.getClass().getSimpleName(), e.getMessage(), msg, e);
  92         }
  93     }
  94
  95     private void handleD2DServiceMessage(String msg) {
  96         JSONMessage.Data data = remoteControllerWebSocket.gson.fromJson(msg, JSONMessage.Data.class);
  97         if (data.event == null) {
  98             logger.debug("Unknown d2d_service_message event: {}", msg);
  99             return;
 100         } else {
 101             switch (data.event) {
 102                 case "art_mode_changed":
 103                     logger.debug("art_mode_changed: {}", data.status);
 104                     if ("on".equals(data.status)) {
 105                         remoteControllerWebSocket.callback.powerUpdated(false, true);
 106                     } else {
 107                         remoteControllerWebSocket.callback.powerUpdated(true, false);
 108                     }
 109                     remoteControllerWebSocket.updateCurrentApp();
 110                     break;
 111                 case "artmode_status":
 112                     logger.debug("artmode_status: {}", data.value);
 113                     if ("on".equals(data.value)) {
 114                         remoteControllerWebSocket.callback.powerUpdated(false, true);
 115                     } else {
 116                         remoteControllerWebSocket.callback.powerUpdated(true, false);
 117                     }
 118                     remoteControllerWebSocket.updateCurrentApp();
 119                     break;
 120                 case "go_to_standby":
 121                     logger.debug("go_to_standby");
 122                     remoteControllerWebSocket.callback.powerUpdated(false, false);
 123                     break;
 124                 case "wakeup":
 125                     logger.debug("wakeup");
 126                     // check artmode status to know complete status before updating
 127                     getArtmodeStatus();
 128                     break;
 129                 default:
 130                     logger.debug("Unknown d2d_service_message event: {}", msg);
 131             }
 132         }
 133     }
 134
 135     @NonNullByDefault({})
 136     class JSONArtModeStatus {
 137         public JSONArtModeStatus() {
 138             Params.Data data = params.new Data();
 139             data.id = remoteControllerWebSocket.uuid.toString();
 140             params.data = remoteControllerWebSocket.gson.toJson(data);
 141         }
 142
 143         @NonNullByDefault({})
 144         class Params {
 145             @NonNullByDefault({})
 146             class Data {
 147                 String request = "get_artmode_status";
 148                 String id;
 149             }
 150
 151             String event = "art_app_request";
 152             String to = "host";
 153             String data;
 154         }
 155
 156         String method = "ms.channel.emit";
 157         Params params = new Params();
 158     }
 159
 160     void getArtmodeStatus() {
 161         sendCommand(remoteControllerWebSocket.gson.toJson(new JSONArtModeStatus()));
 162     }
 163 }