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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.mycroft.internal.channels;
  14
  15 import java.util.Arrays;
  16 import java.util.List;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.openhab.binding.mycroft.internal.MycroftBindingConstants;
  20 import org.openhab.binding.mycroft.internal.MycroftHandler;
  21 import org.openhab.binding.mycroft.internal.api.MessageType;
  22 import org.openhab.binding.mycroft.internal.api.dto.BaseMessage;
  23 import org.openhab.binding.mycroft.internal.api.dto.MessageAudioNext;
  24 import org.openhab.binding.mycroft.internal.api.dto.MessageAudioPause;
  25 import org.openhab.binding.mycroft.internal.api.dto.MessageAudioPlay;
  26 import org.openhab.binding.mycroft.internal.api.dto.MessageAudioPrev;
  27 import org.openhab.binding.mycroft.internal.api.dto.MessageAudioResume;
  28 import org.openhab.core.library.types.NextPreviousType;
  29 import org.openhab.core.library.types.PlayPauseType;
  30 import org.openhab.core.types.Command;
  31 import org.openhab.core.types.State;
  32
  33 /**
  34  * This channel handles the Mycroft capability to act as a music player
  35  * (depending on common play music skills installed)
  36  *
  37  * @author Gwendal Roulleau - Initial contribution
  38  */
  39 @NonNullByDefault
  40 public class AudioPlayerChannel extends MycroftChannel<State> {
  41
  42     public AudioPlayerChannel(MycroftHandler handler) {
  43         super(handler, MycroftBindingConstants.PLAYER_CHANNEL);
  44     }
  45
  46     @Override
  47     protected List<MessageType> getMessageToListenTo() {
  48         return Arrays.asList(MessageType.mycroft_audio_service_prev, MessageType.mycroft_audio_service_next,
  49                 MessageType.mycroft_audio_service_pause, MessageType.mycroft_audio_service_resume,
  50                 MessageType.mycroft_audio_service_play, MessageType.mycroft_audio_service_stop,
  51                 MessageType.mycroft_audio_service_track_info, MessageType.mycroft_audio_service_track_info_reply);
  52     }
  53
  54     @Override
  55     public void messageReceived(BaseMessage message) {
  56         switch (message.type) {
  57             case mycroft_audio_service_pause:
  58             case mycroft_audio_service_stop:
  59                 updateMyState(PlayPauseType.PAUSE);
  60                 break;
  61             case mycroft_audio_service_play:
  62             case mycroft_audio_service_resume:
  63                 updateMyState(PlayPauseType.PLAY);
  64                 break;
  65             default:
  66                 break;
  67         }
  68     }
  69
  70     @Override
  71     public void handleCommand(Command command) {
  72         if (command instanceof PlayPauseType playPauseCommand) {
  73             if (playPauseCommand == PlayPauseType.PAUSE) {
  74                 if (handler.sendMessage(new MessageAudioPause())) {
  75                     updateMyState(PlayPauseType.PAUSE);
  76                 }
  77             }
  78             if (playPauseCommand == PlayPauseType.PLAY) {
  79                 handler.sendMessage(new MessageAudioPlay());
  80                 if (handler.sendMessage(new MessageAudioResume())) {
  81                     updateMyState(PlayPauseType.PLAY);
  82                 }
  83             }
  84         }
  85         if (command instanceof NextPreviousType nextPreviousCommand) {
  86             if (nextPreviousCommand == NextPreviousType.NEXT) {
  87                 if (handler.sendMessage(new MessageAudioNext())) {
  88                     updateMyState(PlayPauseType.PLAY);
  89                 }
  90             }
  91             if (nextPreviousCommand == NextPreviousType.PREVIOUS) {
  92                 if (handler.sendMessage(new MessageAudioPrev())) {
  93                     updateMyState(PlayPauseType.PLAY);
  94                 }
  95             }
  96         }
  97     }
  98 }