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   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.io.homekit.internal.accessories;
  14
  15 import java.math.BigDecimal;
  16 import java.util.List;
  17 import java.util.concurrent.CompletableFuture;
  18
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.io.homekit.internal.HomekitAccessoryUpdater;
  21 import org.openhab.io.homekit.internal.HomekitCharacteristicType;
  22 import org.openhab.io.homekit.internal.HomekitException;
  23 import org.openhab.io.homekit.internal.HomekitSettings;
  24 import org.openhab.io.homekit.internal.HomekitTaggedItem;
  25
  26 import io.github.hapjava.accessories.TemperatureSensorAccessory;
  27 import io.github.hapjava.characteristics.Characteristic;
  28 import io.github.hapjava.characteristics.HomekitCharacteristicChangeCallback;
  29 import io.github.hapjava.characteristics.impl.thermostat.CurrentTemperatureCharacteristic;
  30 import io.github.hapjava.characteristics.impl.thermostat.TargetTemperatureCharacteristic;
  31 import io.github.hapjava.services.impl.TemperatureSensorService;
  32
  33 /**
  34  * Implements a HomeKit TemperatureSensor using a NumberItem
  35  *
  36  * @author Andy Lintner - Initial contribution
  37  */
  38 class HomekitTemperatureSensorImpl extends AbstractHomekitAccessoryImpl implements TemperatureSensorAccessory {
  39
  40     public HomekitTemperatureSensorImpl(HomekitTaggedItem taggedItem, List<HomekitTaggedItem> mandatoryCharacteristics,
  41             List<Characteristic> mandatoryRawCharacteristics, HomekitAccessoryUpdater updater,
  42             HomekitSettings settings) {
  43         super(taggedItem, mandatoryCharacteristics, mandatoryRawCharacteristics, updater, settings);
  44     }
  45
  46     @Override
  47     public void init() throws HomekitException {
  48         super.init();
  49         addService(new TemperatureSensorService(this));
  50     }
  51
  52     @Override
  53     public CompletableFuture<Double> getCurrentTemperature() {
  54         final @Nullable Double state = getStateAsTemperature(HomekitCharacteristicType.CURRENT_TEMPERATURE);
  55         return CompletableFuture.completedFuture(state != null ? state : getMinCurrentTemperature());
  56     }
  57
  58     @Override
  59     public void subscribeCurrentTemperature(HomekitCharacteristicChangeCallback callback) {
  60         subscribe(HomekitCharacteristicType.CURRENT_TEMPERATURE, callback);
  61     }
  62
  63     @Override
  64     public double getMinCurrentTemperature() {
  65         // Apple defines default values in Celsius. We need to convert them to Fahrenheit if openHAB is using Fahrenheit
  66         // convertToCelsius and convertFromCelsius are only converting if useFahrenheit is set to true, so no additional
  67         // check here needed
  68         return HomekitCharacteristicFactory.convertToCelsius(
  69                 getAccessoryConfiguration(HomekitCharacteristicType.CURRENT_TEMPERATURE, HomekitTaggedItem.MIN_VALUE,
  70                         BigDecimal.valueOf(HomekitCharacteristicFactory
  71                                 .convertFromCelsius(CurrentTemperatureCharacteristic.DEFAULT_MIN_VALUE)))
  72                         .doubleValue());
  73     }
  74
  75     @Override
  76     public double getMaxCurrentTemperature() {
  77         return HomekitCharacteristicFactory.convertToCelsius(
  78                 getAccessoryConfiguration(HomekitCharacteristicType.CURRENT_TEMPERATURE, HomekitTaggedItem.MAX_VALUE,
  79                         BigDecimal.valueOf(HomekitCharacteristicFactory
  80                                 .convertFromCelsius(CurrentTemperatureCharacteristic.DEFAULT_MAX_VALUE)))
  81                         .doubleValue());
  82     }
  83
  84     @Override
  85     public double getMinStepCurrentTemperature() {
  86         return HomekitCharacteristicFactory.getTemperatureStep(
  87                 getCharacteristic(HomekitCharacteristicType.CURRENT_TEMPERATURE).get(),
  88                 TargetTemperatureCharacteristic.DEFAULT_STEP);
  89     }
  90
  91     @Override
  92     public void unsubscribeCurrentTemperature() {
  93         unsubscribe(HomekitCharacteristicType.CURRENT_TEMPERATURE);
  94     }
  95 }