Send metadata updates events when the metadata changes.

[sonitus.git] / src / main / java / net / pterodactylus / sonitus / data / sink / AudioSink.java

diff --git a/src/main/java/net/pterodactylus/sonitus/data/sink/AudioSink.java b/src/main/java/net/pterodactylus/sonitus/data/sink/AudioSink.java
index f7ab938..b0f0067 100644 (file)
--- a/src/main/java/net/pterodactylus/sonitus/data/sink/AudioSink.java
+++ b/src/main/java/net/pterodactylus/sonitus/data/sink/AudioSink.java
@@ -36,9 +36,11 @@ import net.pterodactylus.sonitus.data.Sink;
 import net.pterodactylus.sonitus.data.Source;
 import net.pterodactylus.sonitus.data.controller.Fader;
 import net.pterodactylus.sonitus.data.controller.Switch;
+import net.pterodactylus.sonitus.data.event.MetadataUpdated;
 import net.pterodactylus.sonitus.io.IntegralWriteOutputStream;
 
 import com.google.common.base.Preconditions;
+import com.google.common.eventbus.EventBus;
 
 /**
  * {@link Sink} implementation that uses the JDK’s {@link AudioSystem} to play
@@ -51,6 +53,9 @@ public class AudioSink implements Sink {
        /** The logger. */
        private static final Logger logger = Logger.getLogger(AudioSink.class.getName());
 
+       /** The event bus. */
+       private final EventBus eventBus;
+
        /** The volume fader. */
        private final Fader volumeFader;
 
@@ -83,8 +88,14 @@ public class AudioSink implements Sink {
                }
        }, 1024);
 
-       /** Creates a new audio sink. */
-       public AudioSink() {
+       /**
+        * Creates a new audio sink.
+        *
+        * @param eventBus
+        *              The event bus
+        */
+       public AudioSink(EventBus eventBus) {
+               this.eventBus = eventBus;
                volumeFader = new Fader("Volume") {
 
                        @Override
@@ -124,6 +135,11 @@ public class AudioSink implements Sink {
        }
 
        @Override
+       public Metadata metadata() {
+               return metadata;
+       }
+
+       @Override
        public List<Controller<?>> controllers() {
                return Arrays.<Controller<?>>asList(volumeFader, muteSwitch);
        }
@@ -140,6 +156,7 @@ public class AudioSink implements Sink {
                        sourceDataLine = AudioSystem.getSourceDataLine(audioFormat);
                        sourceDataLine.open(audioFormat);
                        sourceDataLine.start();
+                       metadataUpdated(metadata);
                } catch (LineUnavailableException e) {
                        /* TODO */
                        throw new IOException(e);
@@ -155,6 +172,8 @@ public class AudioSink implements Sink {
        @Override
        public void metadataUpdated(Metadata metadata) {
                logger.info(String.format("Now playing %s.", metadata));
+               this.metadata = metadata;
+               eventBus.post(new MetadataUpdated(this, metadata));
        }
 
        @Override