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   1 /**
   2  * Copyright (c) 2010-2022 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.lgwebos.internal;
  14
  15 import java.util.Optional;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.lgwebos.internal.handler.LGWebOSHandler;
  20 import org.openhab.binding.lgwebos.internal.handler.command.ServiceSubscription;
  21 import org.openhab.binding.lgwebos.internal.handler.core.CommandConfirmation;
  22 import org.openhab.binding.lgwebos.internal.handler.core.ResponseListener;
  23 import org.openhab.core.library.types.OnOffType;
  24 import org.openhab.core.types.Command;
  25 import org.openhab.core.types.RefreshType;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 /**
  30  * Handles TV Control Mute Command.
  31  *
  32  * @author Sebastian Prehn - initial contribution
  33  */
  34 @NonNullByDefault
  35 public class VolumeControlMute extends BaseChannelHandler<Boolean> {
  36     private final Logger logger = LoggerFactory.getLogger(VolumeControlMute.class);
  37
  38     private final ResponseListener<CommandConfirmation> objResponseListener = createResponseListener();
  39
  40     @Override
  41     public void onReceiveCommand(String channelId, LGWebOSHandler handler, Command command) {
  42         if (RefreshType.REFRESH == command) {
  43             handler.getSocket().getMute(createResponseListener(channelId, handler));
  44         } else if (OnOffType.ON == command || OnOffType.OFF == command) {
  45             handler.getSocket().setMute(OnOffType.ON == command, objResponseListener);
  46         } else {
  47             logger.info("Only accept OnOffType, RefreshType. Type was {}.", command.getClass());
  48         }
  49     }
  50
  51     @Override
  52     protected Optional<ServiceSubscription<Boolean>> getSubscription(String channelId, LGWebOSHandler handler) {
  53         return Optional.of(handler.getSocket().subscribeMute(createResponseListener(channelId, handler)));
  54     }
  55
  56     private ResponseListener<Boolean> createResponseListener(String channelId, LGWebOSHandler handler) {
  57         return new ResponseListener<Boolean>() {
  58
  59             @Override
  60             public void onError(@Nullable String error) {
  61                 logger.debug("Error in retrieving mute: {}.", error);
  62             }
  63
  64             @Override
  65             public void onSuccess(@Nullable Boolean value) {
  66                 if (value == null) {
  67                     return;
  68                 }
  69                 handler.postUpdate(channelId, OnOffType.from(value));
  70             }
  71         };
  72     }
  73 }