first commit

src/main/java/org/openautonomousconnection/luascript/hosts/EventHost.java

@@ -0,0 +1,37 @@
+package org.openautonomousconnection.luascript.hosts;
+
+/**
+ * Event subscription abstraction (implemented by the client UI layer).
+ */
+public interface EventHost {
+
+    /**
+     * Subscribes to an element event.
+     *
+     * @param elementId element id
+     * @param eventName event name (e.g. click)
+     */
+    void addListener(String elementId, String eventName);
+
+    /**
+     * Unsubscribes from an element event.
+     *
+     * @param elementId element id
+     * @param eventName event name
+     */
+    void removeListener(String elementId, String eventName);
+
+    /**
+     * Subscribes to a global event (app/window scope).
+     *
+     * @param eventName event name
+     */
+    void addGlobalListener(String eventName);
+
+    /**
+     * Unsubscribes from a global event.
+     *
+     * @param eventName event name
+     */
+    void removeGlobalListener(String eventName);
+}