git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2024 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.DecimalType;
  24 import org.openhab.core.library.types.IncreaseDecreaseType;
  25 import org.openhab.core.library.types.OnOffType;
  26 import org.openhab.core.library.types.PercentType;
  27 import org.openhab.core.library.types.StringType;
  28 import org.openhab.core.types.Command;
  29 import org.openhab.core.types.RefreshType;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * Handles TV Control Volume Commands. Allows to set a volume to an absolute number or increment and decrement the
  35  * volume. If used with On Off type commands it will mute volume when receiving OFF and unmute when receiving ON.
  36  *
  37  * @author Sebastian Prehn - initial contribution
  38  */
  39 @NonNullByDefault
  40 public class VolumeControlVolume extends BaseChannelHandler<Float> {
  41     private final Logger logger = LoggerFactory.getLogger(VolumeControlVolume.class);
  42
  43     private final ResponseListener<CommandConfirmation> objResponseListener = createResponseListener();
  44
  45     @Override
  46     public void onReceiveCommand(String channelId, LGWebOSHandler handler, Command command) {
  47         final PercentType percent;
  48         if (RefreshType.REFRESH == command) {
  49             handler.getSocket().getVolume(createResponseListener(channelId, handler));
  50             return;
  51         }
  52         if (command instanceof PercentType percentCommand) {
  53             percent = percentCommand;
  54         } else if (command instanceof DecimalType decimalCommand) {
  55             percent = new PercentType(decimalCommand.toBigDecimal());
  56         } else if (command instanceof StringType stringCommand) {
  57             percent = new PercentType(stringCommand.toString());
  58         } else {
  59             percent = null;
  60         }
  61
  62         if (percent != null) {
  63             handler.getSocket().setVolume(percent.floatValue() / 100.0f, objResponseListener);
  64         } else if (IncreaseDecreaseType.INCREASE == command) {
  65             handler.getSocket().volumeUp(objResponseListener);
  66         } else if (IncreaseDecreaseType.DECREASE == command) {
  67             handler.getSocket().volumeDown(objResponseListener);
  68         } else if (OnOffType.OFF == command || OnOffType.ON == command) {
  69             handler.getSocket().setMute(OnOffType.OFF == command, objResponseListener);
  70         } else {
  71             logger.info("Only accept PercentType, DecimalType, StringType, RefreshType. Type was {}.",
  72                     command.getClass());
  73         }
  74     }
  75
  76     @Override
  77     protected Optional<ServiceSubscription<Float>> getSubscription(String channelUID, LGWebOSHandler handler) {
  78         return Optional.of(handler.getSocket().subscribeVolume(createResponseListener(channelUID, handler)));
  79     }
  80
  81     private ResponseListener<Float> createResponseListener(String channelUID, LGWebOSHandler handler) {
  82         return new ResponseListener<Float>() {
  83
  84             @Override
  85             public void onError(@Nullable String error) {
  86                 logger.debug("Error in retrieving volume: {}.", error);
  87             }
  88
  89             @Override
  90             public void onSuccess(@Nullable Float value) {
  91                 if (value != null && !Float.isNaN(value)) {
  92                     handler.postUpdate(channelUID, new PercentType(Math.round(value * 100)));
  93                 }
  94             }
  95         };
  96     }
  97 }