Many new things

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

@@ -0,0 +1,42 @@
+package org.openautonomousconnection.luascript.hosts;
+
+import java.util.Map;
+
+/**
+ * Layout and scrolling related accessors.
+ *
+ * <p>All results are plain maps to keep dependencies minimal.</p>
+ */
+public interface GeometryHost {
+
+    /**
+     * Returns bounding client rect of an element.
+     *
+     * @param elementId element id
+     * @return map: x,y,width,height,top,left,right,bottom
+     */
+    Map<String, Object> getBoundingClientRect(String elementId);
+
+    /**
+     * Returns viewport metrics.
+     *
+     * @return map: width,height,devicePixelRatio,scrollX,scrollY
+     */
+    Map<String, Object> getViewport();
+
+    /**
+     * Scrolls the document to coordinates.
+     *
+     * @param x scroll x
+     * @param y scroll y
+     */
+    void scrollTo(double x, double y);
+
+    /**
+     * Scrolls an element into view.
+     *
+     * @param elementId element id
+     * @param align     one of: "start","center","end","nearest" (null => "nearest")
+     */
+    void scrollIntoView(String elementId, String align);
+}