X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsonitus%2Fdata%2FControlledComponent.java;h=d3fde8e8aad270f1c845d6b940eda0e9e0fd6f9b;hb=70ea21939e6071954eeb05f2a42e7a92a02013f2;hp=29c78287f5fc2982345c1312bcab3129fe0b369d;hpb=fa5196e029c48636f0c318311244395cfae49953;p=sonitus.git

diff --git a/src/main/java/net/pterodactylus/sonitus/data/ControlledComponent.java b/src/main/java/net/pterodactylus/sonitus/data/ControlledComponent.java
index 29c7828..d3fde8e 100644
--- a/src/main/java/net/pterodactylus/sonitus/data/ControlledComponent.java
+++ b/src/main/java/net/pterodactylus/sonitus/data/ControlledComponent.java
@@ -27,6 +27,22 @@ import java.util.List;
 public interface ControlledComponent {
 
 	/**
+	 * Adds the given listener to the list of registered listeners.
+	 *
+	 * @param metadataListener
+	 * 		The metadata listener to add
+	 */
+	void addMetadataListener(MetadataListener metadataListener);
+
+	/**
+	 * Removes the given listener from the list of registered listeners.
+	 *
+	 * @param metadataListener
+	 * 		The metadata listener to remove
+	 */
+	void removeMetadataListener(MetadataListener metadataListener);
+
+	/**
 	 * Returns the name of this controlled component.
 	 *
 	 * @return The name of this controlled component
@@ -47,4 +63,14 @@ public interface ControlledComponent {
 	 */
 	public List<Controller<?>> controllers();
 
+	/**
+	 * Notifies the sink that the metadata of the audio stream has changed. This
+	 * method should return as fast as possible, i.e. every heavy lifting should be
+	 * done from another thread.
+	 *
+	 * @param metadata
+	 * 		The new metadata
+	 */
+	void metadataUpdated(Metadata metadata);
+
 }